{"id":2085,"date":"2025-05-21T08:16:49","date_gmt":"2025-05-21T08:16:49","guid":{"rendered":"https:\/\/ev-chargerstations.com\/?page_id=2085"},"modified":"2026-03-12T04:35:47","modified_gmt":"2026-03-12T04:35:47","slug":"faqs","status":"publish","type":"page","link":"https:\/\/energypowertransformer.com\/fr\/faqs\/","title":{"rendered":"Faqs"},"content":{"rendered":"<div class=\"banner has-hover\" id=\"banner-448740649\">\n          <div class=\"banner-inner fill\">\n        <div class=\"banner-bg fill\" >\n            <div class=\"bg fill bg-fill\"><\/div>\n                        <div class=\"overlay\"><\/div>            \n                    <\/div>\n\t\t\n        <div class=\"banner-layers container\">\n            <div class=\"fill banner-link\"><\/div>            \n   <div id=\"text-box-355302380\" class=\"text-box banner-layer x50 md-x50 lg-x50 y50 md-y50 lg-y50 res-text\">\n                                <div class=\"text-box-content text dark\">\n              \n              <div class=\"text-inner text-center\">\n                  \n<h2>\u00a0<\/h2>\n<h2>\u00a0<\/h2>\n<h2>\u00a0<\/h2>\n<h2>\u00a0<\/h2>\n<h2 class=\"uppercase\" style=\"text-align: left;\"><span style=\"color: #000000; font-size: 150%;\"><strong>Section FAQS<\/strong><\/span><\/h2>\n<p style=\"text-align: left;\"><span style=\"color: #000000; font-size: 150%;\">Votre guide facile pour la s\u00e9lection, le fonctionnement et la maintenance des transformateurs<\/span><\/p>\n              <\/div>\n           <\/div>\n                            \n<style>\n#text-box-355302380 {\n  width: 100%;\n}\n#text-box-355302380 .text-box-content {\n  font-size: 100%;\n}\n<\/style>\n    <\/div>\n \n        <\/div>\n      <\/div>\n\n            \n<style>\n#banner-448740649 {\n  padding-top: 600px;\n  background-color: rgb(255,255,255);\n}\n#banner-448740649 .bg.bg-loaded {\n  background-image: url(https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/Chinas-Best-Power-Transformer-Manufacturer-and-Factory-Wholesale-Supplier-for-10kV\u2013500kV-1024x427.webp);\n}\n#banner-448740649 .overlay {\n  background-color: rgba(255,255,255,.5);\n}\n<\/style>\n  <\/div>\n\n\n<div class=\"row\"  id=\"row-170777473\">\n\n\t<div id=\"col-778066971\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<div class=\"accordion\">\n\t<div id=\"accordion-1497146662\" class=\"accordion-item\">\n\t\t<a id=\"accordion-1497146662-label\" class=\"accordion-title plain\" href=\"#accordion-item-1.-how-is-primary-power-related-to-secondary-power-in-a-transformer?\" aria-expanded=\"false\" aria-controls=\"accordion-1497146662-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>1. Comment la puissance primaire est-elle li\u00e9e \u00e0 la puissance secondaire dans un transformateur ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-1497146662-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-1497146662-label\" >\n\t\t\t\n<p><strong data-start=\"418\" data-end=\"429\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><br data-start=\"429\" data-end=\"432\" \/><span class=\"_fadeIn_m1hgl_8\">En<\/span><span class=\"_fadeIn_m1hgl_8\">un <\/span><span class=\"_fadeIn_m1hgl_8\">id\u00e9al <\/span><span class=\"_fadeIn_m1hgl_8\">transformateur<\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">pouvoir <\/span><span class=\"_fadeIn_m1hgl_8\">entr\u00e9e<\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">primaire <\/span><span class=\"_fadeIn_m1hgl_8\">bobine <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e9gaux <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">pouvoir <\/span><span class=\"_fadeIn_m1hgl_8\">sortie <\/span><span class=\"_fadeIn_m1hgl_8\">de <\/span><span class=\"_fadeIn_m1hgl_8\">les<\/span><span class=\"_fadeIn_m1hgl_8\">secondaire <\/span><span class=\"_fadeIn_m1hgl_8\">bobine. <\/span><span class=\"_fadeIn_m1hgl_8\">En <\/span><span class=\"_fadeIn_m1hgl_8\">r\u00e9el-<\/span><span class=\"_fadeIn_m1hgl_8\">monde <\/span><span class=\"_fadeIn_m1hgl_8\">des applications, <\/span><span class=\"_fadeIn_m1hgl_8\">due <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 <\/span><span class=\"_fadeIn_m1hgl_8\">mineur <\/span><span class=\"_fadeIn_m1hgl_8\">pertes (<\/span><span class=\"_fadeIn_m1hgl_8\">comme <\/span><span class=\"_fadeIn_m1hgl_8\">noyau <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">cuivre <\/span><span class=\"_fadeIn_m1hgl_8\">pertes<\/span><span class=\"_fadeIn_m1hgl_8\">transformateurs <\/span><span class=\"_fadeIn_m1hgl_8\">typiquement <\/span><span class=\"_fadeIn_m1hgl_8\">op\u00e9rer <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 <\/span><span class=\"_fadeIn_m1hgl_8\">95-<\/span><span class=\"_fadeIn_m1hgl_8\">99% <\/span><span class=\"_fadeIn_m1hgl_8\">l'efficacit\u00e9.<\/span><br data-start=\"673\" data-end=\"676\" \/><strong data-start=\"676\" data-end=\"688\"><span class=\"_fadeIn_m1hgl_8\">Exemple :<\/span><\/strong><br data-start=\"688\" data-end=\"691\" \/><span class=\"_fadeIn_m1hgl_8\">Si <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><span class=\"_fadeIn_m1hgl_8\">transformateur<\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><span class=\"_fadeIn_m1hgl_8\">1000 <\/span><span class=\"_fadeIn_m1hgl_8\">VA <\/span><span class=\"_fadeIn_m1hgl_8\">entr\u00e9e <\/span><span class=\"_fadeIn_m1hgl_8\">pouvoir<\/span><span class=\"_fadeIn_m1hgl_8\">et<\/span><span class=\"_fadeIn_m1hgl_8\">98%<\/span><span class=\"_fadeIn_m1hgl_8\">l'efficacit\u00e9, <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">sortie <\/span><span class=\"_fadeIn_m1hgl_8\">pouvoir <\/span><span class=\"_fadeIn_m1hgl_8\">volont\u00e9 <\/span><span class=\"_fadeIn_m1hgl_8\">\u00eatre :<\/span><br data-start=\"777\" data-end=\"780\" \/><span class=\"_fadeIn_m1hgl_8\">1000 <\/span><span class=\"_fadeIn_m1hgl_8\">VA \u00d7 <\/span><span class=\"_fadeIn_m1hgl_8\">0.98 = <\/span><strong data-start=\"797\" data-end=\"807\"><span class=\"_fadeIn_m1hgl_8\">980 <\/span><span class=\"_fadeIn_m1hgl_8\">VA<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-2354540257\" class=\"accordion-item\">\n\t\t<a id=\"accordion-2354540257-label\" class=\"accordion-title plain\" href=\"#accordion-item-2.-what-happens-to-the-current-if-the-secondary-voltage-is-half-of-the-primary-voltage?\" aria-expanded=\"false\" aria-controls=\"accordion-2354540257-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>2. Qu'arrive-t-il au courant si la tension secondaire est \u00e9gale \u00e0 la moiti\u00e9 de la tension primaire ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-2354540257-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-2354540257-label\" >\n\t\t\t\n<p><strong data-start=\"913\" data-end=\"924\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><br data-start=\"924\" data-end=\"927\" \/><span class=\"_fadeIn_m1hgl_8\">Le <\/span><span class=\"_fadeIn_m1hgl_8\">actuel <\/span><span class=\"_fadeIn_m1hgl_8\">augmentations <\/span><span class=\"_fadeIn_m1hgl_8\">comme <\/span><span class=\"_fadeIn_m1hgl_8\">tension <\/span><span class=\"_fadeIn_m1hgl_8\">diminue, <\/span><span class=\"_fadeIn_m1hgl_8\">en supposant <\/span><span class=\"_fadeIn_m1hgl_8\">pouvoir <\/span><span class=\"_fadeIn_m1hgl_8\">reste <\/span><span class=\"_fadeIn_m1hgl_8\">constante. <\/span><span class=\"_fadeIn_m1hgl_8\">Si <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">secondaire <\/span><span class=\"_fadeIn_m1hgl_8\">tension <\/span><span class=\"_fadeIn_m1hgl_8\">est <\/span><span class=\"_fadeIn_m1hgl_8\">moiti\u00e9, <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">actuel <\/span><span class=\"_fadeIn_m1hgl_8\">volont\u00e9 <\/span><span class=\"_fadeIn_m1hgl_8\">double.<\/span><br data-start=\"1062\" data-end=\"1065\" \/><strong data-start=\"1065\" data-end=\"1077\"><span class=\"_fadeIn_m1hgl_8\">Exemple :<\/span><\/strong><br data-start=\"1077\" data-end=\"1080\" \/><span class=\"_fadeIn_m1hgl_8\">Primaire : <\/span><span class=\"_fadeIn_m1hgl_8\">240 <\/span><span class=\"_fadeIn_m1hgl_8\">V @ <\/span><span class=\"_fadeIn_m1hgl_8\">2 <\/span><span class=\"_fadeIn_m1hgl_8\">A \u2192 <\/span><span class=\"_fadeIn_m1hgl_8\">Secondaire : <\/span><span class=\"_fadeIn_m1hgl_8\">120 <\/span><span class=\"_fadeIn_m1hgl_8\">V @ <\/span><span class=\"_fadeIn_m1hgl_8\">4 <\/span><span class=\"_fadeIn_m1hgl_8\">A (<\/span><span class=\"_fadeIn_m1hgl_8\">id\u00e9al <\/span><span class=\"_fadeIn_m1hgl_8\">).<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-2043556623\" class=\"accordion-item\">\n\t\t<a id=\"accordion-2043556623-label\" class=\"accordion-title plain\" href=\"#accordion-item-3.-what-determines-whether-a-transformer-steps-voltage-up-or-down?\" aria-expanded=\"false\" aria-controls=\"accordion-2043556623-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>3. Qu'est-ce qui d\u00e9termine si un transformateur \u00e9l\u00e8ve ou abaisse la tension ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-2043556623-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-2043556623-label\" >\n\t\t\t\n<p><strong data-start=\"1228\" data-end=\"1239\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><br data-start=\"1239\" data-end=\"1242\" \/><span class=\"_fadeIn_m1hgl_8\">Le <\/span><span class=\"_fadeIn_m1hgl_8\">tournants <\/span><span class=\"_fadeIn_m1hgl_8\">ratio (<\/span><span class=\"_fadeIn_m1hgl_8\">nombre <\/span><span class=\"_fadeIn_m1hgl_8\">de <\/span><span class=\"_fadeIn_m1hgl_8\">fil de fer <\/span><span class=\"_fadeIn_m1hgl_8\">tournants <\/span><span class=\"_fadeIn_m1hgl_8\">sur <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">bobines). <\/span><span class=\"_fadeIn_m1hgl_8\">Si <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">secondaire <\/span><span class=\"_fadeIn_m1hgl_8\">enroulement <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><span class=\"_fadeIn_m1hgl_8\">plus <\/span><span class=\"_fadeIn_m1hgl_8\">tournants <\/span><span class=\"_fadeIn_m1hgl_8\">que <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">primaire, <\/span><span class=\"_fadeIn_m1hgl_8\">c'est <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><strong data-start=\"1360\" data-end=\"1383\"><span class=\"_fadeIn_m1hgl_8\">\u00e9tape-<\/span><span class=\"_fadeIn_m1hgl_8\">monter <\/span><span class=\"_fadeIn_m1hgl_8\">transformateur<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">. <\/span><span class=\"_fadeIn_m1hgl_8\">Si <\/span><span class=\"_fadeIn_m1hgl_8\">il <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><span class=\"_fadeIn_m1hgl_8\">moins, <\/span><span class=\"_fadeIn_m1hgl_8\">il,s <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><strong data-start=\"1409\" data-end=\"1434\"><span class=\"_fadeIn_m1hgl_8\">\u00e9tape-<\/span><span class=\"_fadeIn_m1hgl_8\">vers le bas <\/span><span class=\"_fadeIn_m1hgl_8\">transformateur<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">.<\/span><br data-start=\"1435\" data-end=\"1438\" \/><strong data-start=\"1438\" data-end=\"1450\"><span class=\"_fadeIn_m1hgl_8\">Formule :<\/span><\/strong><\/p>\n<div class=\"row\"  id=\"row-776388930\">\n\n\t<div id=\"col-496061123\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-193041883\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_376012173\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"389\" height=\"131\" src=\"https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/What-determines-whether-a-transformer-steps-voltage-up-or-down-1.png\" class=\"attachment-large size-large\" alt=\"Diagramme montrant comment un transformateur \u00e9l\u00e8ve ou abaisse la tension\" srcset=\"https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/What-determines-whether-a-transformer-steps-voltage-up-or-down-1.png 389w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/What-determines-whether-a-transformer-steps-voltage-up-or-down-1-300x101.png 300w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/What-determines-whether-a-transformer-steps-voltage-up-or-down-1-18x6.png 18w\" sizes=\"auto, (max-width: 389px) 100vw, 389px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_376012173 {\n  width: 89%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-921703635\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-2105869447\" class=\"accordion-item\">\n\t\t<a id=\"accordion-2105869447-label\" class=\"accordion-title plain\" href=\"#accordion-item-4.-what-is-the-turns-ratio-if-a-transformer-increases-voltage-from-55-v-to-165-v?\" aria-expanded=\"false\" aria-controls=\"accordion-2105869447-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>4. Quel est le rapport des tours si un transformateur fait passer la tension de 55 V \u00e0 165 V ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-2105869447-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-2105869447-label\" >\n\t\t\t\n<p data-start=\"1591\" data-end=\"1604\"><strong data-start=\"1591\" data-end=\"1602\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><\/p>\n<div class=\"row\"  id=\"row-571812644\">\n\n\t<div id=\"col-670249534\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1800733840\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1898749484\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"455\" height=\"88\" src=\"https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/What-is-the-turns-ratio-if-a-transformer-increases-voltage-from-55-V-to-165-V.png\" class=\"attachment-large size-large\" alt=\"&quot;Transformateur augmentant la tension de 55V \u00e0 165V avec calcul du rapport des tours\" srcset=\"https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/What-is-the-turns-ratio-if-a-transformer-increases-voltage-from-55-V-to-165-V.png 455w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/What-is-the-turns-ratio-if-a-transformer-increases-voltage-from-55-V-to-165-V-300x58.png 300w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/What-is-the-turns-ratio-if-a-transformer-increases-voltage-from-55-V-to-165-V-18x3.png 18w\" sizes=\"auto, (max-width: 455px) 100vw, 455px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1898749484 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-523397662\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<p data-start=\"1671\" data-end=\"1734\"><span class=\"_fadeIn_m1hgl_8\">Le <\/span><span class=\"_fadeIn_m1hgl_8\">secondaire <\/span><span class=\"_fadeIn_m1hgl_8\">enroulement <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><span class=\"_fadeIn_m1hgl_8\">3 <\/span><span class=\"_fadeIn_m1hgl_8\">fois <\/span><span class=\"_fadeIn_m1hgl_8\">comme <\/span><span class=\"_fadeIn_m1hgl_8\">nombreux <\/span><span class=\"_fadeIn_m1hgl_8\">tournants <\/span><span class=\"_fadeIn_m1hgl_8\">comme <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">primaire.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-2575821740\" class=\"accordion-item\">\n\t\t<a id=\"accordion-2575821740-label\" class=\"accordion-title plain\" href=\"#accordion-item-5.-if-a-transformer-secondary-coil-supplies-350-va,-how-much-power-does-the-primary-coil-deliver?\" aria-expanded=\"false\" aria-controls=\"accordion-2575821740-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>5. Si la bobine secondaire d'un transformateur fournit 350 VA, quelle est la puissance fournie par la bobine primaire ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-2575821740-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-2575821740-label\" >\n\t\t\t\n<p><strong data-start=\"1849\" data-end=\"1860\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><br data-start=\"1860\" data-end=\"1863\" \/><span class=\"_fadeIn_m1hgl_8\">Assumer <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><span class=\"_fadeIn_m1hgl_8\">97% <\/span><span class=\"_fadeIn_m1hgl_8\">l'efficacit\u00e9,<\/span><\/p>\n<div class=\"row\"  id=\"row-1804893895\">\n\n\t<div id=\"col-1574079358\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-311555671\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1484596180\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"529\" height=\"71\" src=\"https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/If-a-transformer-secondary-coil-supplies-350-VA-how-much-power-does-the-primary-coil-deliver.png\" class=\"attachment-large size-large\" alt=\"Bobines primaire et secondaire du transformateur montrant un transfert de puissance de 350 VA\" srcset=\"https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/If-a-transformer-secondary-coil-supplies-350-VA-how-much-power-does-the-primary-coil-deliver.png 529w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/If-a-transformer-secondary-coil-supplies-350-VA-how-much-power-does-the-primary-coil-deliver-300x40.png 300w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/If-a-transformer-secondary-coil-supplies-350-VA-how-much-power-does-the-primary-coil-deliver-18x2.png 18w\" sizes=\"auto, (max-width: 529px) 100vw, 529px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1484596180 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-949006482\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-2757047518\" class=\"accordion-item\">\n\t\t<a id=\"accordion-2757047518-label\" class=\"accordion-title plain\" href=\"#accordion-item-6.-what-is-the-difference-between-primary-and-secondary-windings?\" aria-expanded=\"false\" aria-controls=\"accordion-2757047518-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>6. Quelle est la diff\u00e9rence entre les enroulements primaires et secondaires ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-2757047518-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-2757047518-label\" >\n\t\t\t\n<p data-start=\"2031\" data-end=\"2044\"><strong data-start=\"2031\" data-end=\"2042\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><\/p>\n<ul data-start=\"2045\" data-end=\"2274\">\n<li data-start=\"2045\" data-end=\"2092\">\n<p data-start=\"2047\" data-end=\"2092\"><strong data-start=\"2047\" data-end=\"2066\"><span class=\"_fadeIn_m1hgl_8\">Primaire <\/span><span class=\"_fadeIn_m1hgl_8\">enroulement<\/span><\/strong> <span class=\"_fadeIn_m1hgl_8\">re\u00e7oit <\/span><span class=\"_fadeIn_m1hgl_8\">entr\u00e9e <\/span><span class=\"_fadeIn_m1hgl_8\">tension.<\/span><\/p>\n<\/li>\n<li data-start=\"2093\" data-end=\"2274\">\n<p data-start=\"2095\" data-end=\"2274\"><strong data-start=\"2095\" data-end=\"2116\"><span class=\"_fadeIn_m1hgl_8\">Secondaire <\/span><span class=\"_fadeIn_m1hgl_8\">enroulement<\/span><\/strong> <span class=\"_fadeIn_m1hgl_8\">livre <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">transform\u00e9 <\/span><span class=\"_fadeIn_m1hgl_8\">tension <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">charge.<\/span><br data-start=\"2162\" data-end=\"2165\" \/><span class=\"_fadeIn_m1hgl_8\">Leur <\/span><span class=\"_fadeIn_m1hgl_8\">fil de fer <\/span><span class=\"_fadeIn_m1hgl_8\">jauge, <\/span><span class=\"_fadeIn_m1hgl_8\">l'isolation, <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">nombre <\/span><span class=\"_fadeIn_m1hgl_8\">de <\/span><span class=\"_fadeIn_m1hgl_8\">tournants <\/span><span class=\"_fadeIn_m1hgl_8\">sont <\/span><span class=\"_fadeIn_m1hgl_8\">con\u00e7u <\/span><span class=\"_fadeIn_m1hgl_8\">bas\u00e9 <\/span><span class=\"_fadeIn_m1hgl_8\">sur <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">tension <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">actuel <\/span><span class=\"_fadeIn_m1hgl_8\">exigences.<\/span><\/p>\n<\/li>\n<\/ul>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-582888648\" class=\"accordion-item\">\n\t\t<a id=\"accordion-582888648-label\" class=\"accordion-title plain\" href=\"#accordion-item-7.-what-happens-to-secondary-voltage-as-the-load-increases?\" aria-expanded=\"false\" aria-controls=\"accordion-582888648-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>7. Qu'arrive-t-il \u00e0 la tension secondaire lorsque la charge augmente ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-582888648-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-582888648-label\" >\n\t\t\t\n<p><strong data-start=\"2351\" data-end=\"2362\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><br data-start=\"2362\" data-end=\"2365\" \/><span class=\"_fadeIn_m1hgl_8\">Secondaire <\/span><span class=\"_fadeIn_m1hgl_8\">tension <\/span><span class=\"_fadeIn_m1hgl_8\">tendent <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 <\/span><span class=\"_fadeIn_m1hgl_8\">chute <\/span><span class=\"_fadeIn_m1hgl_8\">comme <\/span><span class=\"_fadeIn_m1hgl_8\">charge <\/span><span class=\"_fadeIn_m1hgl_8\">augmentations <\/span><span class=\"_fadeIn_m1hgl_8\">due <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 <\/span><strong data-start=\"2422\" data-end=\"2464\"><span class=\"_fadeIn_m1hgl_8\">tension <\/span><span class=\"_fadeIn_m1hgl_8\">chute <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 travers <\/span><span class=\"_fadeIn_m1hgl_8\">interne <\/span><span class=\"_fadeIn_m1hgl_8\">imp\u00e9dance<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">. <\/span><span class=\"_fadeIn_m1hgl_8\">Le pr\u00e9sent <\/span><span class=\"_fadeIn_m1hgl_8\">ph\u00e9nom\u00e8ne <\/span><span class=\"_fadeIn_m1hgl_8\">est <\/span><span class=\"_fadeIn_m1hgl_8\">mesur\u00e9 <\/span><span class=\"_fadeIn_m1hgl_8\">par <\/span><span class=\"_fadeIn_m1hgl_8\">tension <\/span><span class=\"_fadeIn_m1hgl_8\">r\u00e8glement.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-991085958\" class=\"accordion-item\">\n\t\t<a id=\"accordion-991085958-label\" class=\"accordion-title plain\" href=\"#accordion-item-8.-what-is-meant-by-percent-voltage-regulation?\" aria-expanded=\"false\" aria-controls=\"accordion-991085958-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>8. Qu'entend-on par r\u00e9gulation de la tension en pourcentage ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-991085958-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-991085958-label\" >\n\t\t\t\n<p><strong data-start=\"2581\" data-end=\"2592\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><br data-start=\"2592\" data-end=\"2595\" \/>Il indique la chute de tension \u00e0 pleine charge par rapport \u00e0 une charge nulle.<br \/>\nUn % plus faible signifie une meilleure stabilit\u00e9 de la tension.<\/p>\n<div class=\"row\"  id=\"row-1661995436\">\n\n\t<div id=\"col-2038546081\" class=\"col medium-3 small-12 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-918359429\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1603380951\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"705\" height=\"88\" src=\"https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/What-is-meant-by-percent-voltage-regulation.png\" class=\"attachment-original size-original\" alt=\"Explication de la r\u00e9gulation du pourcentage de tension du transformateur avec illustration de la chute de tension\" srcset=\"https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/What-is-meant-by-percent-voltage-regulation.png 705w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/What-is-meant-by-percent-voltage-regulation-300x37.png 300w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/What-is-meant-by-percent-voltage-regulation-18x2.png 18w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/What-is-meant-by-percent-voltage-regulation-600x75.png 600w\" sizes=\"auto, (max-width: 705px) 100vw, 705px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1603380951 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-936214736\" class=\"col medium-3 small-12 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-258513271\" class=\"accordion-item\">\n\t\t<a id=\"accordion-258513271-label\" class=\"accordion-title plain\" href=\"#accordion-item-9.-what-is-done-to-compensate-for-secondary-voltage-drop?\" aria-expanded=\"false\" aria-controls=\"accordion-258513271-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>9. Que fait-on pour compenser la chute de tension secondaire ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-258513271-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-258513271-label\" >\n\t\t\t\n<p data-start=\"2885\" data-end=\"2898\"><strong data-start=\"2885\" data-end=\"2896\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><\/p>\n<ul data-start=\"2899\" data-end=\"3046\">\n<li data-start=\"2899\" data-end=\"2954\">\n<p data-start=\"2901\" data-end=\"2954\"><span class=\"_fadeIn_m1hgl_8\">Utilisation <\/span><strong data-start=\"2905\" data-end=\"2932\"><span class=\"_fadeIn_m1hgl_8\">tension <\/span><span class=\"_fadeIn_m1hgl_8\">r\u00e8glement <\/span><span class=\"_fadeIn_m1hgl_8\">robinets<\/span><\/strong> <span class=\"_fadeIn_m1hgl_8\">sur <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">transformateur.<\/span><\/p>\n<\/li>\n<li data-start=\"2955\" data-end=\"3003\">\n<p data-start=\"2957\" data-end=\"3003\"><span class=\"_fadeIn_m1hgl_8\">Choisir <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><span class=\"_fadeIn_m1hgl_8\">transformateur <\/span><span class=\"_fadeIn_m1hgl_8\">avec <\/span><strong data-start=\"2983\" data-end=\"3000\"><span class=\"_fadeIn_m1hgl_8\">faible <\/span><span class=\"_fadeIn_m1hgl_8\">imp\u00e9dance<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">.<\/span><\/p>\n<\/li>\n<li data-start=\"3004\" data-end=\"3046\">\n<p data-start=\"3006\" data-end=\"3046\"><span class=\"_fadeIn_m1hgl_8\">Employer <\/span><strong data-start=\"3013\" data-end=\"3045\"><span class=\"_fadeIn_m1hgl_8\">automatique <\/span><span class=\"_fadeIn_m1hgl_8\">tension <\/span><span class=\"_fadeIn_m1hgl_8\">r\u00e9gulateurs<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">.<\/span><\/p>\n<\/li>\n<\/ul>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-1598512460\" class=\"accordion-item\">\n\t\t<a id=\"accordion-1598512460-label\" class=\"accordion-title plain\" href=\"#accordion-item-10.-what-are-the-two-main-types-of-transformer-losses?\" aria-expanded=\"false\" aria-controls=\"accordion-1598512460-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>10. Quels sont les deux principaux types de pertes dans les transformateurs ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-1598512460-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-1598512460-label\" >\n\t\t\t\n<p data-start=\"3118\" data-end=\"3131\"><strong data-start=\"3118\" data-end=\"3129\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><\/p>\n<ul data-start=\"3132\" data-end=\"3269\">\n<li data-start=\"3132\" data-end=\"3206\">\n<p data-start=\"3134\" data-end=\"3206\"><strong data-start=\"3134\" data-end=\"3156\"><span class=\"_fadeIn_m1hgl_8\">C\u0153ur (<\/span><span class=\"_fadeIn_m1hgl_8\">fer) <\/span><span class=\"_fadeIn_m1hgl_8\">pertes<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\"> - <\/span><span class=\"_fadeIn_m1hgl_8\">due <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 <\/span><span class=\"_fadeIn_m1hgl_8\">magn\u00e9tique <\/span><span class=\"_fadeIn_m1hgl_8\">hyst\u00e9r\u00e9sis <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">eddy <\/span><span class=\"_fadeIn_m1hgl_8\">courants.<\/span><\/p>\n<\/li>\n<li data-start=\"3207\" data-end=\"3269\">\n<p data-start=\"3209\" data-end=\"3269\"><strong data-start=\"3209\" data-end=\"3232\"><span class=\"_fadeIn_m1hgl_8\">Cuivre (<\/span><span class=\"_fadeIn_m1hgl_8\">I\u00b2<\/span><span class=\"_fadeIn_m1hgl_8\">R) <\/span><span class=\"_fadeIn_m1hgl_8\">pertes<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\"> - <\/span><span class=\"_fadeIn_m1hgl_8\">due <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 <\/span><span class=\"_fadeIn_m1hgl_8\">r\u00e9sistance <\/span><span class=\"_fadeIn_m1hgl_8\">en <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">enroulements.<\/span><\/p>\n<\/li>\n<\/ul>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-1721854713\" class=\"accordion-item\">\n\t\t<a id=\"accordion-1721854713-label\" class=\"accordion-title plain\" href=\"#accordion-item-11.-what-turns-ratio-is-required-if-the-primary-current-is-7-a-and-secondary-current-is-21-a?\" aria-expanded=\"false\" aria-controls=\"accordion-1721854713-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>11. Quel est le rapport des tours requis si le courant primaire est de 7 A et le courant secondaire de 21 A ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-1721854713-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-1721854713-label\" >\n\t\t\t\n<p data-start=\"3380\" data-end=\"3393\"><strong data-start=\"3380\" data-end=\"3391\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord\"><span class=\"mfrac\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p data-start=\"3380\" data-end=\"3393\"><span class=\"_fadeIn_m1hgl_8\">Le pr\u00e9sent <\/span><span class=\"_fadeIn_m1hgl_8\">implique <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e9tape-<\/span><span class=\"_fadeIn_m1hgl_8\">vers le bas <\/span><span class=\"_fadeIn_m1hgl_8\">transformateur <\/span><span class=\"_fadeIn_m1hgl_8\">avec <\/span><span class=\"_fadeIn_m1hgl_8\">3 <\/span><span class=\"_fadeIn_m1hgl_8\">fois <\/span><span class=\"_fadeIn_m1hgl_8\">plus <\/span><span class=\"_fadeIn_m1hgl_8\">tournants <\/span><span class=\"_fadeIn_m1hgl_8\">en <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">primaire.<\/span><\/p>\n<div class=\"row\"  id=\"row-1869085570\">\n\n\t<div id=\"col-1576598713\" class=\"col medium-3 small-12 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-209841103\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_933478620\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"455\" height=\"86\" src=\"https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/What-turns-ratio-is-required-if-the-primary-current-is-7-A-and-secondary-current-is-21-A.png\" class=\"attachment-large size-large\" alt=\"Calcul du rapport des tours du transformateur sur la base d&#039;un courant primaire de 7A et d&#039;un courant secondaire de 21A\" srcset=\"https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/What-turns-ratio-is-required-if-the-primary-current-is-7-A-and-secondary-current-is-21-A.png 455w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/What-turns-ratio-is-required-if-the-primary-current-is-7-A-and-secondary-current-is-21-A-300x57.png 300w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/What-turns-ratio-is-required-if-the-primary-current-is-7-A-and-secondary-current-is-21-A-18x3.png 18w\" sizes=\"auto, (max-width: 455px) 100vw, 455px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_933478620 {\n  width: 72%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-2081667594\" class=\"col medium-3 small-12 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-1728160700\" class=\"accordion-item\">\n\t\t<a id=\"accordion-1728160700-label\" class=\"accordion-title plain\" href=\"#accordion-item-12.-how-are-voltage-and-current-ratios-related-in-transformers?\" aria-expanded=\"false\" aria-controls=\"accordion-1728160700-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>12. Comment les rapports de tension et de courant sont-ils li\u00e9s dans les transformateurs ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-1728160700-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-1728160700-label\" >\n\t\t\t\n<p><strong data-start=\"3625\" data-end=\"3636\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><br data-start=\"3636\" data-end=\"3639\" \/><span class=\"_fadeIn_m1hgl_8\">En <\/span><span class=\"_fadeIn_m1hgl_8\">id\u00e9al <\/span><span class=\"_fadeIn_m1hgl_8\">transformateurs :<\/span><\/p>\n<div class=\"row\"  id=\"row-287794765\">\n\n\t<div id=\"col-871945467\" class=\"col medium-3 small-12 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1738059103\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_594341701\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"296\" height=\"85\" src=\"https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/How-are-voltage-and-current-ratios-related-in-transformers.png\" class=\"attachment-large size-large\" alt=\"Diagramme montrant la relation inverse entre les rapports de tension et de courant dans un transformateur\" srcset=\"https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/How-are-voltage-and-current-ratios-related-in-transformers.png 296w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/How-are-voltage-and-current-ratios-related-in-transformers-18x5.png 18w\" sizes=\"auto, (max-width: 296px) 100vw, 296px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_594341701 {\n  width: 53%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1519282847\" class=\"col medium-3 small-12 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<p><span class=\"_fadeIn_m1hgl_8\">Tension <\/span><span class=\"_fadeIn_m1hgl_8\">ratio <\/span><span class=\"_fadeIn_m1hgl_8\">est <\/span><span class=\"_fadeIn_m1hgl_8\">directement <\/span><span class=\"_fadeIn_m1hgl_8\">proportionnel <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 <\/span><span class=\"_fadeIn_m1hgl_8\">tournants <\/span><span class=\"_fadeIn_m1hgl_8\">ratio <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">inversement <\/span><span class=\"_fadeIn_m1hgl_8\">proportionnel <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 <\/span><span class=\"_fadeIn_m1hgl_8\">actuel <\/span><span class=\"_fadeIn_m1hgl_8\">ratio.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-1197210697\" class=\"accordion-item\">\n\t\t<a id=\"accordion-1197210697-label\" class=\"accordion-title plain\" href=\"#accordion-item-13.-what-is-the-purpose-of-voltage-correction-taps?\" aria-expanded=\"false\" aria-controls=\"accordion-1197210697-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>13. \u00c0 quoi servent les prises de correction de tension ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-1197210697-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-1197210697-label\" >\n\t\t\t\n<p><strong data-start=\"3891\" data-end=\"3902\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><br data-start=\"3902\" data-end=\"3905\" \/><span class=\"_fadeIn_m1hgl_8\">Tension <\/span><span class=\"_fadeIn_m1hgl_8\">robinets <\/span><span class=\"_fadeIn_m1hgl_8\">ajuster <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">du transformateur <\/span><span class=\"_fadeIn_m1hgl_8\">sortie <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 <\/span><span class=\"_fadeIn_m1hgl_8\">compenser <\/span><span class=\"_fadeIn_m1hgl_8\">pour <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e9lev\u00e9 <\/span><span class=\"_fadeIn_m1hgl_8\">ou <\/span><span class=\"_fadeIn_m1hgl_8\">faible <\/span><span class=\"_fadeIn_m1hgl_8\">entr\u00e9e <\/span><span class=\"_fadeIn_m1hgl_8\">tension. <\/span><span class=\"_fadeIn_m1hgl_8\">Ils <\/span><span class=\"_fadeIn_m1hgl_8\">aider <\/span><span class=\"_fadeIn_m1hgl_8\">maintenir <\/span><strong data-start=\"4014\" data-end=\"4039\"><span class=\"_fadeIn_m1hgl_8\">stable <\/span><span class=\"_fadeIn_m1hgl_8\">sortie <\/span><span class=\"_fadeIn_m1hgl_8\">tension<\/span><\/strong> <span class=\"_fadeIn_m1hgl_8\">sans <\/span><span class=\"_fadeIn_m1hgl_8\">remplacer <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">l'unit\u00e9.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-3176848622\" class=\"accordion-item\">\n\t\t<a id=\"accordion-3176848622-label\" class=\"accordion-title plain\" href=\"#accordion-item-14.-what-are-the-main-functions-of-a-transformer?\" aria-expanded=\"false\" aria-controls=\"accordion-3176848622-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>14. Quelles sont les principales fonctions d'un transformateur ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-3176848622-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-3176848622-label\" >\n\t\t\t\n<p data-start=\"4134\" data-end=\"4147\"><strong data-start=\"4134\" data-end=\"4145\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><\/p>\n<ol data-start=\"4148\" data-end=\"4309\">\n<li data-start=\"4148\" data-end=\"4202\">\n<p data-start=\"4151\" data-end=\"4202\"><strong data-start=\"4151\" data-end=\"4177\"><span class=\"_fadeIn_m1hgl_8\">Tension <\/span><span class=\"_fadeIn_m1hgl_8\">transformation<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\"> (<\/span><span class=\"_fadeIn_m1hgl_8\">\u00e9tape-<\/span><span class=\"_fadeIn_m1hgl_8\">monter <\/span><span class=\"_fadeIn_m1hgl_8\">ou <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e9tape-<\/span><span class=\"_fadeIn_m1hgl_8\">vers le bas)<\/span><\/p>\n<\/li>\n<li data-start=\"4203\" data-end=\"4249\">\n<p data-start=\"4206\" data-end=\"4249\"><strong data-start=\"4206\" data-end=\"4230\"><span class=\"_fadeIn_m1hgl_8\">\u00c9lectricit\u00e9 <\/span><span class=\"_fadeIn_m1hgl_8\">l'isolement<\/span><\/strong> <span class=\"_fadeIn_m1hgl_8\">entre <\/span><span class=\"_fadeIn_m1hgl_8\">circuits<\/span><\/p>\n<\/li>\n<li data-start=\"4250\" data-end=\"4309\">\n<p data-start=\"4253\" data-end=\"4309\"><strong data-start=\"4253\" data-end=\"4275\"><span class=\"_fadeIn_m1hgl_8\">Imp\u00e9dance <\/span><span class=\"_fadeIn_m1hgl_8\">correspondant<\/span><\/strong> <span class=\"_fadeIn_m1hgl_8\">en <\/span><span class=\"_fadeIn_m1hgl_8\">communication <\/span><span class=\"_fadeIn_m1hgl_8\">ou <\/span><span class=\"_fadeIn_m1hgl_8\">audio <\/span><span class=\"_fadeIn_m1hgl_8\">syst\u00e8mes<\/span><\/p>\n<\/li>\n<\/ol>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-3964201402\" class=\"accordion-item\">\n\t\t<a id=\"accordion-3964201402-label\" class=\"accordion-title plain\" href=\"#accordion-item-15.-which-winding-is-the-primary-in-a-step-up-transformer?\" aria-expanded=\"false\" aria-controls=\"accordion-3964201402-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>15. Quel est l'enroulement primaire d'un transformateur \u00e9l\u00e9vateur ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-3964201402-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-3964201402-label\" >\n\t\t\t\n<p><strong data-start=\"4385\" data-end=\"4396\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><br data-start=\"4396\" data-end=\"4399\" \/><span class=\"_fadeIn_m1hgl_8\">Le <\/span><span class=\"_fadeIn_m1hgl_8\">enroulement <\/span><span class=\"_fadeIn_m1hgl_8\">connect\u00e9 <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><strong data-start=\"4428\" data-end=\"4452\"><span class=\"_fadeIn_m1hgl_8\">inf\u00e9rieur <\/span><span class=\"_fadeIn_m1hgl_8\">tension <\/span><span class=\"_fadeIn_m1hgl_8\">source<\/span><\/strong> <span class=\"_fadeIn_m1hgl_8\">est <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><strong data-start=\"4460\" data-end=\"4479\"><span class=\"_fadeIn_m1hgl_8\">primaire <\/span><span class=\"_fadeIn_m1hgl_8\">enroulement<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">, <\/span><span class=\"_fadeIn_m1hgl_8\">m\u00eame <\/span><span class=\"_fadeIn_m1hgl_8\">si <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">sortie <\/span><span class=\"_fadeIn_m1hgl_8\">tension <\/span><span class=\"_fadeIn_m1hgl_8\">est <\/span><span class=\"_fadeIn_m1hgl_8\">plus \u00e9lev\u00e9.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-741069284\" class=\"accordion-item\">\n\t\t<a id=\"accordion-741069284-label\" class=\"accordion-title plain\" href=\"#accordion-item-16.-what-factors-should-be-considered-when-selecting-a-transformer?\" aria-expanded=\"false\" aria-controls=\"accordion-741069284-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>16. Quels sont les facteurs \u00e0 prendre en compte lors du choix d'un transformateur ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-741069284-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-741069284-label\" >\n\t\t\t\n<p data-start=\"4603\" data-end=\"4616\"><strong data-start=\"4603\" data-end=\"4614\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><\/p>\n<ol data-start=\"4617\" data-end=\"4791\">\n<li data-start=\"4617\" data-end=\"4643\">\n<p data-start=\"4620\" data-end=\"4643\"><strong data-start=\"4620\" data-end=\"4641\"><span class=\"_fadeIn_m1hgl_8\">Class\u00e9 <\/span><span class=\"_fadeIn_m1hgl_8\">Puissance (<\/span><span class=\"_fadeIn_m1hgl_8\">kVA)<\/span><\/strong><\/p>\n<\/li>\n<li data-start=\"4644\" data-end=\"4684\">\n<p data-start=\"4647\" data-end=\"4684\"><strong data-start=\"4647\" data-end=\"4682\"><span class=\"_fadeIn_m1hgl_8\">Entr\u00e9e <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">sortie <\/span><span class=\"_fadeIn_m1hgl_8\">tension <\/span><span class=\"_fadeIn_m1hgl_8\">niveaux<\/span><\/strong><\/p>\n<\/li>\n<li data-start=\"4685\" data-end=\"4726\">\n<p data-start=\"4688\" data-end=\"4726\"><strong data-start=\"4688\" data-end=\"4724\"><span class=\"_fadeIn_m1hgl_8\">Fr\u00e9quence (<\/span><span class=\"_fadeIn_m1hgl_8\">e.<\/span><span class=\"_fadeIn_m1hgl_8\">g., <\/span><span class=\"_fadeIn_m1hgl_8\">50 <\/span><span class=\"_fadeIn_m1hgl_8\">Hz <\/span><span class=\"_fadeIn_m1hgl_8\">ou <\/span><span class=\"_fadeIn_m1hgl_8\">60 <\/span><span class=\"_fadeIn_m1hgl_8\">Hz)<\/span><\/strong><\/p>\n<\/li>\n<li data-start=\"4727\" data-end=\"4791\">\n<p data-start=\"4730\" data-end=\"4791\"><strong data-start=\"4730\" data-end=\"4738\"><span class=\"_fadeIn_m1hgl_8\">Type<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\"> (<\/span><span class=\"_fadeIn_m1hgl_8\">sec-<\/span><span class=\"_fadeIn_m1hgl_8\">type, <\/span><span class=\"_fadeIn_m1hgl_8\">huile-<\/span><span class=\"_fadeIn_m1hgl_8\">immerg\u00e9, <\/span><span class=\"_fadeIn_m1hgl_8\">l'isolement, <\/span><span class=\"_fadeIn_m1hgl_8\">autotransformateur)<\/span><\/p>\n<\/li>\n<\/ol>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-2362133535\" class=\"accordion-item\">\n\t\t<a id=\"accordion-2362133535-label\" class=\"accordion-title plain\" href=\"#accordion-item-17.-what-is-the-line-voltage-of-a-three-phase-transformer-if-each-phase-outputs-240-v?\" aria-expanded=\"false\" aria-controls=\"accordion-2362133535-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>17. Quelle est la tension de ligne d'un transformateur triphas\u00e9 si chaque phase d\u00e9livre 240 V ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-2362133535-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-2362133535-label\" >\n\t\t\t\n<p data-start=\"4895\" data-end=\"4908\"><strong data-start=\"4895\" data-end=\"4906\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><\/p>\n<ul data-start=\"4909\" data-end=\"4936\">\n<li data-start=\"4909\" data-end=\"4936\">\n<p data-start=\"4911\" data-end=\"4936\"><strong data-start=\"4911\" data-end=\"4934\"><span class=\"_fadeIn_m1hgl_8\">Wye (<\/span><span class=\"_fadeIn_m1hgl_8\">Y) <\/span><span class=\"_fadeIn_m1hgl_8\">connexion :<\/span><\/strong><\/p>\n<\/li>\n<\/ul>\n<div class=\"row\"  id=\"row-696751803\">\n\n\t<div id=\"col-588572875\" class=\"col medium-3 small-12 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-67706918\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1835043341\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"564\" height=\"51\" src=\"https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/What-is-the-line-voltage-of-a-three-phase-transformer-if-each-phase-outputs-240-V.png\" class=\"attachment-large size-large\" alt=\"Transformateur triphas\u00e9 montrant une tension de phase de 240V et une tension de ligne calcul\u00e9e\" srcset=\"https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/What-is-the-line-voltage-of-a-three-phase-transformer-if-each-phase-outputs-240-V.png 564w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/What-is-the-line-voltage-of-a-three-phase-transformer-if-each-phase-outputs-240-V-300x27.png 300w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/What-is-the-line-voltage-of-a-three-phase-transformer-if-each-phase-outputs-240-V-18x2.png 18w\" sizes=\"auto, (max-width: 564px) 100vw, 564px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1835043341 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1514979624\" class=\"col medium-3 small-12 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<ul>\n<li data-start=\"4911\" data-end=\"4936\"><strong><span class=\"_fadeIn_m1hgl_8\">Delta (<\/span><span class=\"_fadeIn_m1hgl_8\">\u0394) <\/span><span class=\"_fadeIn_m1hgl_8\">connexion :<\/span><\/strong><\/li>\n<\/ul>\n<div class=\"row\"  id=\"row-242128925\">\n\n\t<div id=\"col-14502359\" class=\"col medium-3 small-12 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-256854784\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_504922848\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"386\" height=\"52\" src=\"https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/What-is-the-line-voltage-of-a-three-phase-transformer-if-each-phase-outputs-240-V-Delta-\u0394-connection.png\" class=\"attachment-large size-large\" alt=\"Transformateur triphas\u00e9 en connexion delta avec une tension de phase de 240V et une tension de ligne\" srcset=\"https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/What-is-the-line-voltage-of-a-three-phase-transformer-if-each-phase-outputs-240-V-Delta-\u0394-connection.png 386w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/What-is-the-line-voltage-of-a-three-phase-transformer-if-each-phase-outputs-240-V-Delta-\u0394-connection-300x40.png 300w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/What-is-the-line-voltage-of-a-three-phase-transformer-if-each-phase-outputs-240-V-Delta-\u0394-connection-18x2.png 18w\" sizes=\"auto, (max-width: 386px) 100vw, 386px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_504922848 {\n  width: 70%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-74373043\" class=\"col medium-3 small-12 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-326353636\" class=\"accordion-item\">\n\t\t<a id=\"accordion-326353636-label\" class=\"accordion-title plain\" href=\"#accordion-item-18.-what-is-a-transformer-and-how-does-it-work?\" aria-expanded=\"false\" aria-controls=\"accordion-326353636-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>18. Qu'est-ce qu'un transformateur et comment fonctionne-t-il ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-326353636-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-326353636-label\" >\n\t\t\t\n<p><strong data-start=\"243\" data-end=\"254\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><br data-start=\"254\" data-end=\"257\" \/><span class=\"_fadeIn_m1hgl_8\">A <\/span><span class=\"_fadeIn_m1hgl_8\">transformateur <\/span><span class=\"_fadeIn_m1hgl_8\">est <\/span><span class=\"_fadeIn_m1hgl_8\">un <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e9lectrique <\/span><span class=\"_fadeIn_m1hgl_8\">dispositif <\/span><span class=\"_fadeIn_m1hgl_8\">que <\/span><span class=\"_fadeIn_m1hgl_8\">transferts <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e9lectrique <\/span><span class=\"_fadeIn_m1hgl_8\">l'\u00e9nergie <\/span><span class=\"_fadeIn_m1hgl_8\">entre <\/span><span class=\"_fadeIn_m1hgl_8\">deux <\/span><span class=\"_fadeIn_m1hgl_8\">ou <\/span><span class=\"_fadeIn_m1hgl_8\">plus <\/span><span class=\"_fadeIn_m1hgl_8\">circuits <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 travers <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e9lectromagn\u00e9tique <\/span><span class=\"_fadeIn_m1hgl_8\">l'induction. <\/span><span class=\"_fadeIn_m1hgl_8\">Il <\/span><span class=\"_fadeIn_m1hgl_8\">typiquement <\/span><span class=\"_fadeIn_m1hgl_8\">travaux <\/span><span class=\"_fadeIn_m1hgl_8\">sur <\/span><span class=\"_fadeIn_m1hgl_8\">en alternance <\/span><span class=\"_fadeIn_m1hgl_8\">actuel (<\/span><span class=\"_fadeIn_m1hgl_8\">AC) <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">consiste <\/span><span class=\"_fadeIn_m1hgl_8\">de <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><span class=\"_fadeIn_m1hgl_8\">noyau <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">deux <\/span><span class=\"_fadeIn_m1hgl_8\">ou <\/span><span class=\"_fadeIn_m1hgl_8\">plus <\/span><span class=\"_fadeIn_m1hgl_8\">enroulements.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-3193174745\" class=\"accordion-item\">\n\t\t<a id=\"accordion-3193174745-label\" class=\"accordion-title plain\" href=\"#accordion-item-19.-what-are-the-main-types-of-transformers?\" aria-expanded=\"false\" aria-controls=\"accordion-3193174745-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>19. Quels sont les principaux types de transformateurs ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-3193174745-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-3193174745-label\" >\n\t\t\t\n<p data-start=\"549\" data-end=\"562\"><strong data-start=\"549\" data-end=\"560\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><\/p>\n<ul data-start=\"563\" data-end=\"1008\">\n<li data-start=\"563\" data-end=\"610\">\n<p data-start=\"565\" data-end=\"610\"><strong data-start=\"565\" data-end=\"588\"><span class=\"_fadeIn_m1hgl_8\">\u00c9tape...<\/span><span class=\"_fadeIn_m1hgl_8\">monter <\/span><span class=\"_fadeIn_m1hgl_8\">transformateur<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">: <\/span><span class=\"_fadeIn_m1hgl_8\">Augmentations <\/span><span class=\"_fadeIn_m1hgl_8\">tension.<\/span><\/p>\n<\/li>\n<li data-start=\"611\" data-end=\"660\">\n<p data-start=\"613\" data-end=\"660\"><strong data-start=\"613\" data-end=\"638\"><span class=\"_fadeIn_m1hgl_8\">\u00c9tape...<\/span><span class=\"_fadeIn_m1hgl_8\">vers le bas <\/span><span class=\"_fadeIn_m1hgl_8\">transformateur<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">: <\/span><span class=\"_fadeIn_m1hgl_8\">Diminutions <\/span><span class=\"_fadeIn_m1hgl_8\">tension.<\/span><\/p>\n<\/li>\n<li data-start=\"661\" data-end=\"728\">\n<p data-start=\"663\" data-end=\"728\"><strong data-start=\"663\" data-end=\"688\"><span class=\"_fadeIn_m1hgl_8\">L'isolement <\/span><span class=\"_fadeIn_m1hgl_8\">transformateur<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">: <\/span><span class=\"_fadeIn_m1hgl_8\">\u00c9lectriquement <\/span><span class=\"_fadeIn_m1hgl_8\">s\u00e9pare <\/span><span class=\"_fadeIn_m1hgl_8\">deux <\/span><span class=\"_fadeIn_m1hgl_8\">circuits.<\/span><\/p>\n<\/li>\n<li data-start=\"729\" data-end=\"806\">\n<p data-start=\"731\" data-end=\"806\"><strong data-start=\"731\" data-end=\"750\"><span class=\"_fadeIn_m1hgl_8\">Autotransformateur<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">: <\/span><span class=\"_fadeIn_m1hgl_8\">A <\/span><span class=\"_fadeIn_m1hgl_8\">unique <\/span><span class=\"_fadeIn_m1hgl_8\">enroulement <\/span><span class=\"_fadeIn_m1hgl_8\">actes <\/span><span class=\"_fadeIn_m1hgl_8\">comme <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 la fois <\/span><span class=\"_fadeIn_m1hgl_8\">primaire <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">secondaire.<\/span><\/p>\n<\/li>\n<li data-start=\"807\" data-end=\"868\">\n<p data-start=\"809\" data-end=\"868\"><strong data-start=\"809\" data-end=\"836\"><span class=\"_fadeIn_m1hgl_8\">Trois...<\/span><span class=\"_fadeIn_m1hgl_8\">phase <\/span><span class=\"_fadeIn_m1hgl_8\">transformateur<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">: <\/span><span class=\"_fadeIn_m1hgl_8\">Pour <\/span><span class=\"_fadeIn_m1hgl_8\">industriel <\/span><span class=\"_fadeIn_m1hgl_8\">des applications.<\/span><\/p>\n<\/li>\n<li data-start=\"869\" data-end=\"931\">\n<p data-start=\"871\" data-end=\"931\"><strong data-start=\"871\" data-end=\"895\"><span class=\"_fadeIn_m1hgl_8\">A sec...<\/span><span class=\"_fadeIn_m1hgl_8\">type <\/span><span class=\"_fadeIn_m1hgl_8\">transformateur<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">: <\/span><span class=\"_fadeIn_m1hgl_8\">Air-<\/span><span class=\"_fadeIn_m1hgl_8\">refroidi, <\/span><span class=\"_fadeIn_m1hgl_8\">s\u00fbr <\/span><span class=\"_fadeIn_m1hgl_8\">pour <\/span><span class=\"_fadeIn_m1hgl_8\">int\u00e9rieur <\/span><span class=\"_fadeIn_m1hgl_8\">utiliser.<\/span><\/p>\n<\/li>\n<li data-start=\"932\" data-end=\"1008\">\n<p data-start=\"934\" data-end=\"1008\"><strong data-start=\"934\" data-end=\"962\"><span class=\"_fadeIn_m1hgl_8\">Huile<\/span><span class=\"_fadeIn_m1hgl_8\">immerg\u00e9 <\/span><span class=\"_fadeIn_m1hgl_8\">transformateur<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">: <\/span><span class=\"_fadeIn_m1hgl_8\">Utilisations <\/span><span class=\"_fadeIn_m1hgl_8\">min\u00e9ral <\/span><span class=\"_fadeIn_m1hgl_8\">huile <\/span><span class=\"_fadeIn_m1hgl_8\">pour <\/span><span class=\"_fadeIn_m1hgl_8\">refroidissement <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">l'isolation.<\/span><\/p>\n<\/li>\n<\/ul>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-578048046\" class=\"accordion-item\">\n\t\t<a id=\"accordion-578048046-label\" class=\"accordion-title plain\" href=\"#accordion-item-20.-what-is-the-difference-between-single-phase-and-three-phase-transformers?\" aria-expanded=\"false\" aria-controls=\"accordion-578048046-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>20. Quelle est la diff\u00e9rence entre un transformateur monophas\u00e9 et un transformateur triphas\u00e9 ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-578048046-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-578048046-label\" >\n\t\t\t\n<p data-start=\"1103\" data-end=\"1116\"><strong data-start=\"1103\" data-end=\"1114\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><\/p>\n<ul data-start=\"1117\" data-end=\"1305\">\n<li data-start=\"1117\" data-end=\"1193\">\n<p data-start=\"1119\" data-end=\"1193\"><a href=\"https:\/\/energypowertransformer.com\/Wholesale\/pole-mounted-transformers\/\"><strong data-start=\"1119\" data-end=\"1135\"><span class=\"_fadeIn_m1hgl_8\">Unique...<\/span><span class=\"_fadeIn_m1hgl_8\">phase<\/span><\/strong><\/a><span class=\"_fadeIn_m1hgl_8\">: <\/span><span class=\"_fadeIn_m1hgl_8\">Utilis\u00e9 <\/span><span class=\"_fadeIn_m1hgl_8\">en <\/span><span class=\"_fadeIn_m1hgl_8\">r\u00e9sidentiel <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">lumi\u00e8re <\/span><span class=\"_fadeIn_m1hgl_8\">commercial <\/span><span class=\"_fadeIn_m1hgl_8\">des applications.<\/span><\/p>\n<\/li>\n<li data-start=\"1194\" data-end=\"1305\">\n<p data-start=\"1196\" data-end=\"1305\"><strong data-start=\"1196\" data-end=\"1211\"><span class=\"_fadeIn_m1hgl_8\">Trois...<\/span><span class=\"_fadeIn_m1hgl_8\">phase<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">: <\/span><span class=\"_fadeIn_m1hgl_8\">Utilis\u00e9 <\/span><span class=\"_fadeIn_m1hgl_8\">en <\/span><span class=\"_fadeIn_m1hgl_8\">industriel <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">haut<\/span><span class=\"_fadeIn_m1hgl_8\">pouvoir <\/span><span class=\"_fadeIn_m1hgl_8\">distribution <\/span><span class=\"_fadeIn_m1hgl_8\">des syst\u00e8mes d'alimentation en eau. <\/span><span class=\"_fadeIn_m1hgl_8\">C'est <\/span><span class=\"_fadeIn_m1hgl_8\">plus <\/span><span class=\"_fadeIn_m1hgl_8\">efficace <\/span><span class=\"_fadeIn_m1hgl_8\">pour <\/span><span class=\"_fadeIn_m1hgl_8\">important <\/span><span class=\"_fadeIn_m1hgl_8\">charges.<\/span><\/p>\n<\/li>\n<\/ul>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-789735504\" class=\"accordion-item\">\n\t\t<a id=\"accordion-789735504-label\" class=\"accordion-title plain\" href=\"#accordion-item-21.-what-are-typical-transformer-efficiency-values?\" aria-expanded=\"false\" aria-controls=\"accordion-789735504-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>21. Quelles sont les valeurs de rendement typiques d'un transformateur ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-789735504-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-789735504-label\" >\n\t\t\t\n<p><strong data-start=\"1374\" data-end=\"1385\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><br data-start=\"1385\" data-end=\"1388\" \/><span class=\"_fadeIn_m1hgl_8\">La plupart des <\/span><span class=\"_fadeIn_m1hgl_8\">pouvoir <\/span><span class=\"_fadeIn_m1hgl_8\">transformateurs <\/span><span class=\"_fadeIn_m1hgl_8\">avoir <\/span><span class=\"_fadeIn_m1hgl_8\">l'efficacit\u00e9 <\/span><span class=\"_fadeIn_m1hgl_8\">entre <\/span><strong data-start=\"1436\" data-end=\"1453\"><span class=\"_fadeIn_m1hgl_8\">95% <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">99.5%<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">, <\/span><span class=\"_fadeIn_m1hgl_8\">selon <\/span><span class=\"_fadeIn_m1hgl_8\">sur <\/span><span class=\"_fadeIn_m1hgl_8\">taille <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">la conception. <\/span><span class=\"_fadeIn_m1hgl_8\">Plus grand <\/span><span class=\"_fadeIn_m1hgl_8\">unit\u00e9s <\/span><span class=\"_fadeIn_m1hgl_8\">sont <\/span><span class=\"_fadeIn_m1hgl_8\">en g\u00e9n\u00e9ral <\/span><span class=\"_fadeIn_m1hgl_8\">plus <\/span><span class=\"_fadeIn_m1hgl_8\">efficace.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-3470190394\" class=\"accordion-item\">\n\t\t<a id=\"accordion-3470190394-label\" class=\"accordion-title plain\" href=\"#accordion-item-22.-what-is-meant-by-impedance-in-a-transformer?\" aria-expanded=\"false\" aria-controls=\"accordion-3470190394-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>22. Qu'entend-on par imp\u00e9dance dans un transformateur ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-3470190394-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-3470190394-label\" >\n\t\t\t\n<p><strong data-start=\"1593\" data-end=\"1604\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><br data-start=\"1604\" data-end=\"1607\" \/><span class=\"_fadeIn_m1hgl_8\">Imp\u00e9dance <\/span><span class=\"_fadeIn_m1hgl_8\">est <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">opposition <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 <\/span><span class=\"_fadeIn_m1hgl_8\">actuel <\/span><span class=\"_fadeIn_m1hgl_8\">flux <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 l'int\u00e9rieur <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">transformateur <\/span><span class=\"_fadeIn_m1hgl_8\">due <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 la fois <\/span><span class=\"_fadeIn_m1hgl_8\">r\u00e9sistance <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">r\u00e9actance. <\/span><span class=\"_fadeIn_m1hgl_8\">C'est <\/span><span class=\"_fadeIn_m1hgl_8\">exprim\u00e9e <\/span><span class=\"_fadeIn_m1hgl_8\">comme <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><span class=\"_fadeIn_m1hgl_8\">pourcentage <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">affecte <\/span><span class=\"_fadeIn_m1hgl_8\">tension <\/span><span class=\"_fadeIn_m1hgl_8\">r\u00e8glement <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">faute <\/span><span class=\"_fadeIn_m1hgl_8\">actuel.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-1011648460\" class=\"accordion-item\">\n\t\t<a id=\"accordion-1011648460-label\" class=\"accordion-title plain\" href=\"#accordion-item-23.-what-is-a-transformer&#039;s-rated-capacity?\" aria-expanded=\"false\" aria-controls=\"accordion-1011648460-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>23. Quelle est la capacit\u00e9 nominale d'un transformateur ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-1011648460-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-1011648460-label\" >\n\t\t\t\n<p data-start=\"1853\" data-end=\"2057\"><strong data-start=\"1853\" data-end=\"1864\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><br data-start=\"1864\" data-end=\"1867\" \/><span class=\"_fadeIn_m1hgl_8\">Mesur\u00e9 <\/span><span class=\"_fadeIn_m1hgl_8\">en <\/span><strong data-start=\"1879\" data-end=\"1886\"><span class=\"_fadeIn_m1hgl_8\">kVA<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\"> (<\/span><span class=\"_fadeIn_m1hgl_8\">kilovolt-<\/span><span class=\"_fadeIn_m1hgl_8\">amp\u00e8res), <\/span><span class=\"_fadeIn_m1hgl_8\">il <\/span><span class=\"_fadeIn_m1hgl_8\">indique <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">maximum <\/span><span class=\"_fadeIn_m1hgl_8\">charge <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><span class=\"_fadeIn_m1hgl_8\">transformateur <\/span><span class=\"_fadeIn_m1hgl_8\">peut <\/span><span class=\"_fadeIn_m1hgl_8\">poign\u00e9e <\/span><span class=\"_fadeIn_m1hgl_8\">sans <\/span><span class=\"_fadeIn_m1hgl_8\">la surchauffe.<\/span><br data-start=\"1982\" data-end=\"1985\" \/><strong data-start=\"1985\" data-end=\"1997\"><span class=\"_fadeIn_m1hgl_8\">Exemple :<\/span><\/strong> <span class=\"_fadeIn_m1hgl_8\">A <\/span><a href=\"https:\/\/energypowertransformer.com\/manufacturer\/75-kva-single-phase-pole-mounted-distribution-transformer-13-2-kv-120-240-v\/\"><span class=\"_fadeIn_m1hgl_8\">75 <\/span><span class=\"_fadeIn_m1hgl_8\">kVA <\/span><span class=\"_fadeIn_m1hgl_8\">transformateur <\/span><\/a><span class=\"_fadeIn_m1hgl_8\">peut <\/span><span class=\"_fadeIn_m1hgl_8\">soutien <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><span class=\"_fadeIn_m1hgl_8\">charge <\/span><span class=\"_fadeIn_m1hgl_8\">de <\/span><span class=\"_fadeIn_m1hgl_8\">monter <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 <\/span><span class=\"_fadeIn_m1hgl_8\">75,000 <\/span><span class=\"_fadeIn_m1hgl_8\">VA.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-2987981074\" class=\"accordion-item\">\n\t\t<a id=\"accordion-2987981074-label\" class=\"accordion-title plain\" href=\"#accordion-item-24.-what-is-load-loss-and-no-load-loss-in-transformers?\" aria-expanded=\"false\" aria-controls=\"accordion-2987981074-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>24. Qu'est-ce que l'affaiblissement en charge et l'affaiblissement \u00e0 vide dans les transformateurs ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-2987981074-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-2987981074-label\" >\n\t\t\t\n<p data-start=\"2130\" data-end=\"2143\"><strong data-start=\"2130\" data-end=\"2141\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><\/p>\n<ul data-start=\"2144\" data-end=\"2361\">\n<li data-start=\"2144\" data-end=\"2258\">\n<p data-start=\"2146\" data-end=\"2258\"><strong data-start=\"2146\" data-end=\"2173\"><span class=\"_fadeIn_m1hgl_8\">Chargement <\/span><span class=\"_fadeIn_m1hgl_8\">Perte (<\/span><span class=\"_fadeIn_m1hgl_8\">Cuivre <\/span><span class=\"_fadeIn_m1hgl_8\">Perte)<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">: <\/span><span class=\"_fadeIn_m1hgl_8\">Se produit <\/span><span class=\"_fadeIn_m1hgl_8\">quand <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">transformateur <\/span><span class=\"_fadeIn_m1hgl_8\">livre <\/span><span class=\"_fadeIn_m1hgl_8\">pouvoir <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><span class=\"_fadeIn_m1hgl_8\">charge, <\/span><span class=\"_fadeIn_m1hgl_8\">due <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 <\/span><span class=\"_fadeIn_m1hgl_8\">enroulement <\/span><span class=\"_fadeIn_m1hgl_8\">r\u00e9sistance.<\/span><\/p>\n<\/li>\n<li data-start=\"2259\" data-end=\"2361\">\n<p data-start=\"2261\" data-end=\"2361\"><strong data-start=\"2261\" data-end=\"2289\"><span class=\"_fadeIn_m1hgl_8\">Non-<\/span><span class=\"_fadeIn_m1hgl_8\">Chargement <\/span><span class=\"_fadeIn_m1hgl_8\">Perte (<\/span><span class=\"_fadeIn_m1hgl_8\">C\u0153ur de m\u00e9tier <\/span><span class=\"_fadeIn_m1hgl_8\">Perte)<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">: <\/span><span class=\"_fadeIn_m1hgl_8\">Se produit <\/span><span class=\"_fadeIn_m1hgl_8\">m\u00eame <\/span><span class=\"_fadeIn_m1hgl_8\">sans <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><span class=\"_fadeIn_m1hgl_8\">charge, <\/span><span class=\"_fadeIn_m1hgl_8\">caus\u00e9e <\/span><span class=\"_fadeIn_m1hgl_8\">par <\/span><span class=\"_fadeIn_m1hgl_8\">magn\u00e9tique <\/span><span class=\"_fadeIn_m1hgl_8\">excitation <\/span><span class=\"_fadeIn_m1hgl_8\">de <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">de base.<\/span><\/p>\n<\/li>\n<\/ul>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-2218002902\" class=\"accordion-item\">\n\t\t<a id=\"accordion-2218002902-label\" class=\"accordion-title plain\" href=\"#accordion-item-25.-what-are-bushings-on-a-transformer?\" aria-expanded=\"false\" aria-controls=\"accordion-2218002902-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>25. Qu'est-ce qu'une douille sur un transformateur ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-2218002902-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-2218002902-label\" >\n\t\t\t\n<p><strong data-start=\"2418\" data-end=\"2429\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><br data-start=\"2429\" data-end=\"2432\" \/><span class=\"_fadeIn_m1hgl_8\">Bagues <\/span><span class=\"_fadeIn_m1hgl_8\">sont <\/span><span class=\"_fadeIn_m1hgl_8\">isol\u00e9 <\/span><span class=\"_fadeIn_m1hgl_8\">terminaux <\/span><span class=\"_fadeIn_m1hgl_8\">que <\/span><span class=\"_fadeIn_m1hgl_8\">permettre <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e9lectrique <\/span><span class=\"_fadeIn_m1hgl_8\">conducteurs <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 <\/span><span class=\"_fadeIn_m1hgl_8\">passer <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 travers <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">transformateur <\/span><span class=\"_fadeIn_m1hgl_8\">r\u00e9servoir <\/span><span class=\"_fadeIn_m1hgl_8\">alors que <\/span><span class=\"_fadeIn_m1hgl_8\">le maintien <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e9lectrique <\/span><span class=\"_fadeIn_m1hgl_8\">l'isolation.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-3797508373\" class=\"accordion-item\">\n\t\t<a id=\"accordion-3797508373-label\" class=\"accordion-title plain\" href=\"#accordion-item-26.-what-is-vector-group-in-a-transformer?\" aria-expanded=\"false\" aria-controls=\"accordion-3797508373-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>26. Qu'est-ce que le groupe vectoriel dans un transformateur ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-3797508373-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-3797508373-label\" >\n\t\t\t\n<p data-start=\"2635\" data-end=\"2829\"><strong data-start=\"2635\" data-end=\"2646\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><br data-start=\"2646\" data-end=\"2649\" \/><span class=\"_fadeIn_m1hgl_8\">Il <\/span><span class=\"_fadeIn_m1hgl_8\">d\u00e9finit <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">phase <\/span><span class=\"_fadeIn_m1hgl_8\">diff\u00e9rence <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">configuration <\/span><span class=\"_fadeIn_m1hgl_8\">de <\/span><span class=\"_fadeIn_m1hgl_8\">enroulements <\/span><span class=\"_fadeIn_m1hgl_8\">en <\/span><span class=\"_fadeIn_m1hgl_8\">trois-<\/span><span class=\"_fadeIn_m1hgl_8\">phase <\/span><span class=\"_fadeIn_m1hgl_8\">transformateurs (<\/span><span class=\"_fadeIn_m1hgl_8\">e.<\/span><span class=\"_fadeIn_m1hgl_8\">g., <\/span><span class=\"_fadeIn_m1hgl_8\">Dyn11, <\/span><span class=\"_fadeIn_m1hgl_8\">Yyn0). <\/span><span class=\"_fadeIn_m1hgl_8\">C'est <\/span><span class=\"_fadeIn_m1hgl_8\">important <\/span><span class=\"_fadeIn_m1hgl_8\">pour <\/span><span class=\"_fadeIn_m1hgl_8\">mise en parall\u00e8le <\/span><span class=\"_fadeIn_m1hgl_8\">transformateurs <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">syst\u00e8me <\/span><span class=\"_fadeIn_m1hgl_8\">compatibilit\u00e9.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-4291260001\" class=\"accordion-item\">\n\t\t<a id=\"accordion-4291260001-label\" class=\"accordion-title plain\" href=\"#accordion-item-27.-what-is-the-role-of-the-conservator-tank-in-oil-transformers?\" aria-expanded=\"false\" aria-controls=\"accordion-4291260001-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>27. Quel est le r\u00f4le du r\u00e9servoir conservateur dans les transformateurs \u00e0 huile ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-4291260001-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-4291260001-label\" >\n\t\t\t\n<p><strong data-start=\"2912\" data-end=\"2923\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><br data-start=\"2923\" data-end=\"2926\" \/><span class=\"_fadeIn_m1hgl_8\">Il <\/span><span class=\"_fadeIn_m1hgl_8\">s'adapte <\/span><span class=\"_fadeIn_m1hgl_8\">l'expansion <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">contraction <\/span><span class=\"_fadeIn_m1hgl_8\">de <\/span><span class=\"_fadeIn_m1hgl_8\">transformateur <\/span><span class=\"_fadeIn_m1hgl_8\">huile <\/span><span class=\"_fadeIn_m1hgl_8\">comme <\/span><span class=\"_fadeIn_m1hgl_8\">temp\u00e9rature <\/span><span class=\"_fadeIn_m1hgl_8\">changements, <\/span><span class=\"_fadeIn_m1hgl_8\">aider <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 <\/span><span class=\"_fadeIn_m1hgl_8\">maintenir <\/span><span class=\"_fadeIn_m1hgl_8\">appropri\u00e9 <\/span><span class=\"_fadeIn_m1hgl_8\">huile <\/span><span class=\"_fadeIn_m1hgl_8\">niveau <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">pression.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-2304409772\" class=\"accordion-item\">\n\t\t<a id=\"accordion-2304409772-label\" class=\"accordion-title plain\" href=\"#accordion-item-28.-what-maintenance-is-needed-for-transformers?\" aria-expanded=\"false\" aria-controls=\"accordion-2304409772-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>28. Quel est l'entretien n\u00e9cessaire pour les transformateurs ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-2304409772-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-2304409772-label\" >\n\t\t\t\n<p data-start=\"3127\" data-end=\"3140\"><strong data-start=\"3127\" data-end=\"3138\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><\/p>\n<ul data-start=\"3141\" data-end=\"3336\">\n<li data-start=\"3141\" data-end=\"3189\">\n<p data-start=\"3143\" data-end=\"3189\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9guli\u00e8re <\/span><span class=\"_fadeIn_m1hgl_8\">huile <\/span><span class=\"_fadeIn_m1hgl_8\">test (<\/span><span class=\"_fadeIn_m1hgl_8\">pour <\/span><span class=\"_fadeIn_m1hgl_8\">huile-<\/span><span class=\"_fadeIn_m1hgl_8\">immerg\u00e9 <\/span><span class=\"_fadeIn_m1hgl_8\">unit\u00e9s)<\/span><\/p>\n<\/li>\n<li data-start=\"3190\" data-end=\"3224\">\n<p data-start=\"3192\" data-end=\"3224\"><span class=\"_fadeIn_m1hgl_8\">V\u00e9rification <\/span><span class=\"_fadeIn_m1hgl_8\">l'isolation <\/span><span class=\"_fadeIn_m1hgl_8\">r\u00e9sistance<\/span><\/p>\n<\/li>\n<li data-start=\"3225\" data-end=\"3251\">\n<p data-start=\"3227\" data-end=\"3251\"><span class=\"_fadeIn_m1hgl_8\">Thermographique <\/span><span class=\"_fadeIn_m1hgl_8\">balayage<\/span><\/p>\n<\/li>\n<li data-start=\"3252\" data-end=\"3300\">\n<p data-start=\"3254\" data-end=\"3300\"><span class=\"_fadeIn_m1hgl_8\">Physique <\/span><span class=\"_fadeIn_m1hgl_8\">contr\u00f4le <\/span><span class=\"_fadeIn_m1hgl_8\">pour <\/span><span class=\"_fadeIn_m1hgl_8\">fuites <\/span><span class=\"_fadeIn_m1hgl_8\">ou <\/span><span class=\"_fadeIn_m1hgl_8\">surchauffe<\/span><\/p>\n<\/li>\n<li data-start=\"3301\" data-end=\"3336\">\n<p data-start=\"3303\" data-end=\"3336\"><span class=\"_fadeIn_m1hgl_8\">Nettoyage <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">resserrement <\/span><span class=\"_fadeIn_m1hgl_8\">terminaux<\/span><\/p>\n<\/li>\n<\/ul>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-107268709\" class=\"accordion-item\">\n\t\t<a id=\"accordion-107268709-label\" class=\"accordion-title plain\" href=\"#accordion-item-29.-how-do-i-calculate-the-full-load-current-of-a-transformer?\" aria-expanded=\"false\" aria-controls=\"accordion-107268709-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>29. Comment calculer le courant de pleine charge d'un transformateur ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-107268709-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-107268709-label\" >\n\t\t\t\n<p><strong>R\u00e9ponse :<\/strong><\/p>\n<div class=\"row\"  id=\"row-1447895716\">\n\n\t<div id=\"col-1656258074\" class=\"col medium-3 small-12 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-486885480\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_240297346\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"534\" height=\"166\" src=\"https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/How-do-I-calculate-the-full-load-current-of-a-transformer.png\" class=\"attachment-large size-large\" alt=\"Formule de calcul du courant \u00e0 pleine charge d&#039;un transformateur avec exemple\" srcset=\"https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/How-do-I-calculate-the-full-load-current-of-a-transformer.png 534w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/How-do-I-calculate-the-full-load-current-of-a-transformer-300x93.png 300w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2025\/05\/How-do-I-calculate-the-full-load-current-of-a-transformer-18x6.png 18w\" sizes=\"auto, (max-width: 534px) 100vw, 534px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_240297346 {\n  width: 70%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1488769502\" class=\"col medium-3 small-12 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-3077148780\" class=\"accordion-item\">\n\t\t<a id=\"accordion-3077148780-label\" class=\"accordion-title plain\" href=\"#accordion-item-30.-can-transformers-work-with-dc-power?\" aria-expanded=\"false\" aria-controls=\"accordion-3077148780-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>30. Les transformateurs peuvent-ils fonctionner avec du courant continu ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-3077148780-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-3077148780-label\" >\n\t\t\t\n<p data-start=\"3660\" data-end=\"3799\"><strong data-start=\"3660\" data-end=\"3671\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><br data-start=\"3671\" data-end=\"3674\" \/><span class=\"_fadeIn_m1hgl_8\">Non. <\/span><span class=\"_fadeIn_m1hgl_8\">Transformateurs <\/span><span class=\"_fadeIn_m1hgl_8\">seulement <\/span><span class=\"_fadeIn_m1hgl_8\">travail <\/span><span class=\"_fadeIn_m1hgl_8\">avec <\/span><strong data-start=\"3706\" data-end=\"3734\"><span class=\"_fadeIn_m1hgl_8\">AC (<\/span><span class=\"_fadeIn_m1hgl_8\">Alternance <\/span><span class=\"_fadeIn_m1hgl_8\">Actuel)<\/span><\/strong> <span class=\"_fadeIn_m1hgl_8\">parce que <\/span><span class=\"_fadeIn_m1hgl_8\">ils <\/span><span class=\"_fadeIn_m1hgl_8\">s'appuyer <\/span><span class=\"_fadeIn_m1hgl_8\">sur <\/span><span class=\"_fadeIn_m1hgl_8\">changeant <\/span><span class=\"_fadeIn_m1hgl_8\">magn\u00e9tique <\/span><span class=\"_fadeIn_m1hgl_8\">champs <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 <\/span><span class=\"_fadeIn_m1hgl_8\">induire <\/span><span class=\"_fadeIn_m1hgl_8\">tension.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-1386513476\" class=\"accordion-item\">\n\t\t<a id=\"accordion-1386513476-label\" class=\"accordion-title plain\" href=\"#accordion-item-31.-what-is-the-life-expectancy-of-a-transformer?\" aria-expanded=\"false\" aria-controls=\"accordion-1386513476-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>31. Quelle est la dur\u00e9e de vie d'un transformateur ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-1386513476-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-1386513476-label\" >\n\t\t\t\n<p><strong data-start=\"3866\" data-end=\"3877\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><br data-start=\"3877\" data-end=\"3880\" \/><span class=\"_fadeIn_m1hgl_8\">A <\/span><span class=\"_fadeIn_m1hgl_8\">bien<\/span><span class=\"_fadeIn_m1hgl_8\">maintenu <\/span><span class=\"_fadeIn_m1hgl_8\">transformateur <\/span><span class=\"_fadeIn_m1hgl_8\">peut <\/span><span class=\"_fadeIn_m1hgl_8\">dernier <\/span><strong data-start=\"3919\" data-end=\"3934\"><span class=\"_fadeIn_m1hgl_8\">25-<\/span><span class=\"_fadeIn_m1hgl_8\">40 <\/span><span class=\"_fadeIn_m1hgl_8\">ann\u00e9es<\/span><\/strong> <span class=\"_fadeIn_m1hgl_8\">ou <\/span><span class=\"_fadeIn_m1hgl_8\">plus, <\/span><span class=\"_fadeIn_m1hgl_8\">selon <\/span><span class=\"_fadeIn_m1hgl_8\">sur <\/span><span class=\"_fadeIn_m1hgl_8\">l'utilisation, <\/span><span class=\"_fadeIn_m1hgl_8\">charge, <\/span><span class=\"_fadeIn_m1hgl_8\">l'entretien, <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">l'environnement.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-1081635893\" class=\"accordion-item\">\n\t\t<a id=\"accordion-1081635893-label\" class=\"accordion-title plain\" href=\"#accordion-item-32.-what-causes-transformer-overheating?\" aria-expanded=\"false\" aria-controls=\"accordion-1081635893-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>32. Quelle est la cause de la surchauffe d'un transformateur ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-1081635893-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-1081635893-label\" >\n\t\t\t\n<p data-start=\"4057\" data-end=\"4070\"><strong data-start=\"4057\" data-end=\"4068\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><\/p>\n<ul data-start=\"4071\" data-end=\"4181\">\n<li data-start=\"4071\" data-end=\"4086\">\n<p data-start=\"4073\" data-end=\"4086\"><span class=\"_fadeIn_m1hgl_8\">Surcharge<\/span><\/p>\n<\/li>\n<li data-start=\"4087\" data-end=\"4118\">\n<p data-start=\"4089\" data-end=\"4118\"><span class=\"_fadeIn_m1hgl_8\">Pauvre <\/span><span class=\"_fadeIn_m1hgl_8\">ventilation <\/span><span class=\"_fadeIn_m1hgl_8\">ou <\/span><span class=\"_fadeIn_m1hgl_8\">refroidissement<\/span><\/p>\n<\/li>\n<li data-start=\"4119\" data-end=\"4132\">\n<p data-start=\"4121\" data-end=\"4132\"><span class=\"_fadeIn_m1hgl_8\">Harmoniques<\/span><\/p>\n<\/li>\n<li data-start=\"4133\" data-end=\"4155\">\n<p data-start=\"4135\" data-end=\"4155\"><span class=\"_fadeIn_m1hgl_8\">D\u00e9faut <\/span><span class=\"_fadeIn_m1hgl_8\">connexions<\/span><\/p>\n<\/li>\n<li data-start=\"4156\" data-end=\"4181\">\n<p data-start=\"4158\" data-end=\"4181\"><span class=\"_fadeIn_m1hgl_8\">D\u00e9t\u00e9rior\u00e9 <\/span><span class=\"_fadeIn_m1hgl_8\">l'isolation<\/span><\/p>\n<\/li>\n<\/ul>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-1119557141\" class=\"accordion-item\">\n\t\t<a id=\"accordion-1119557141-label\" class=\"accordion-title plain\" href=\"#accordion-item-33.-what-is-a-transformer-tap-changer?\" aria-expanded=\"false\" aria-controls=\"accordion-1119557141-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>33. Qu'est-ce qu'un changeur de prise de transformateur ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-1119557141-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-1119557141-label\" >\n\t\t\t\n<p data-start=\"4237\" data-end=\"4323\"><strong data-start=\"4237\" data-end=\"4248\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><br data-start=\"4248\" data-end=\"4251\" \/><span class=\"_fadeIn_m1hgl_8\">Il <\/span><span class=\"_fadeIn_m1hgl_8\">ajuste <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">nombre <\/span><span class=\"_fadeIn_m1hgl_8\">de <\/span><span class=\"_fadeIn_m1hgl_8\">actif <\/span><span class=\"_fadeIn_m1hgl_8\">bobine <\/span><span class=\"_fadeIn_m1hgl_8\">tournants <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 <\/span><span class=\"_fadeIn_m1hgl_8\">r\u00e9glementer <\/span><span class=\"_fadeIn_m1hgl_8\">sortie <\/span><span class=\"_fadeIn_m1hgl_8\">tension.<\/span><\/p>\n<ul data-start=\"4324\" data-end=\"4463\">\n<li data-start=\"4324\" data-end=\"4379\">\n<p data-start=\"4326\" data-end=\"4379\"><strong data-start=\"4326\" data-end=\"4350\"><span class=\"_fadeIn_m1hgl_8\">Off-<\/span><span class=\"_fadeIn_m1hgl_8\">charge <\/span><span class=\"_fadeIn_m1hgl_8\">robinet <\/span><span class=\"_fadeIn_m1hgl_8\">changeur<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">: <\/span><span class=\"_fadeIn_m1hgl_8\">Exigences <\/span><span class=\"_fadeIn_m1hgl_8\">de-<\/span><span class=\"_fadeIn_m1hgl_8\">l'\u00e9nergisation.<\/span><\/p>\n<\/li>\n<li data-start=\"4380\" data-end=\"4463\">\n<p data-start=\"4382\" data-end=\"4463\"><strong data-start=\"4382\" data-end=\"4412\"><span class=\"_fadeIn_m1hgl_8\">Sur...<\/span><span class=\"_fadeIn_m1hgl_8\">charge <\/span><span class=\"_fadeIn_m1hgl_8\">robinet <\/span><span class=\"_fadeIn_m1hgl_8\">changeur (<\/span><span class=\"_fadeIn_m1hgl_8\">OLTC)<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">: <\/span><span class=\"_fadeIn_m1hgl_8\">Peut <\/span><span class=\"_fadeIn_m1hgl_8\">ajuster <\/span><span class=\"_fadeIn_m1hgl_8\">sous <\/span><span class=\"_fadeIn_m1hgl_8\">charge <\/span><span class=\"_fadeIn_m1hgl_8\">sans <\/span><span class=\"_fadeIn_m1hgl_8\">pouvoir <\/span><span class=\"_fadeIn_m1hgl_8\">interruption.<\/span><\/p>\n<\/li>\n<\/ul>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-2480804540\" class=\"accordion-item\">\n\t\t<a id=\"accordion-2480804540-label\" class=\"accordion-title plain\" href=\"#accordion-item-34.-what-are-harmonics-in-transformers?\" aria-expanded=\"false\" aria-controls=\"accordion-2480804540-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>34. Que sont les harmoniques dans les transformateurs ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-2480804540-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-2480804540-label\" >\n\t\t\t\n<p><strong data-start=\"4520\" data-end=\"4531\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><br data-start=\"4531\" data-end=\"4534\" \/><span class=\"_fadeIn_m1hgl_8\">Harmoniques <\/span><span class=\"_fadeIn_m1hgl_8\">sont <\/span><span class=\"_fadeIn_m1hgl_8\">tension\/<\/span><span class=\"_fadeIn_m1hgl_8\">actuel <\/span><span class=\"_fadeIn_m1hgl_8\">formes d'onde <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 <\/span><span class=\"_fadeIn_m1hgl_8\">multiples <\/span><span class=\"_fadeIn_m1hgl_8\">de <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">fondamental <\/span><span class=\"_fadeIn_m1hgl_8\">fr\u00e9quence. <\/span><span class=\"_fadeIn_m1hgl_8\">Ils <\/span><span class=\"_fadeIn_m1hgl_8\">peut <\/span><span class=\"_fadeIn_m1hgl_8\">cause <\/span><span class=\"_fadeIn_m1hgl_8\">chauffage, <\/span><span class=\"_fadeIn_m1hgl_8\">vibration, <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">bruit <\/span><span class=\"_fadeIn_m1hgl_8\">en <\/span><span class=\"_fadeIn_m1hgl_8\">transformateurs.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-2081222642\" class=\"accordion-item\">\n\t\t<a id=\"accordion-2081222642-label\" class=\"accordion-title plain\" href=\"#accordion-item-35.-can-i-connect-two-transformers-in-parallel?\" aria-expanded=\"false\" aria-controls=\"accordion-2081222642-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>35. Puis-je connecter deux transformateurs en parall\u00e8le ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-2081222642-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-2081222642-label\" >\n\t\t\t\n<p data-start=\"4743\" data-end=\"4788\"><strong data-start=\"4743\" data-end=\"4754\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><br data-start=\"4754\" data-end=\"4757\" \/><span class=\"_fadeIn_m1hgl_8\">Oui, <\/span><span class=\"_fadeIn_m1hgl_8\">mais <\/span><span class=\"_fadeIn_m1hgl_8\">conditions <\/span><span class=\"_fadeIn_m1hgl_8\">doit <\/span><span class=\"_fadeIn_m1hgl_8\">match :<\/span><\/p>\n<ul data-start=\"4789\" data-end=\"4884\">\n<li data-start=\"4789\" data-end=\"4811\">\n<p data-start=\"4791\" data-end=\"4811\"><span class=\"_fadeIn_m1hgl_8\">Idem <\/span><span class=\"_fadeIn_m1hgl_8\">tension <\/span><span class=\"_fadeIn_m1hgl_8\">ratio<\/span><\/p>\n<\/li>\n<li data-start=\"4812\" data-end=\"4830\">\n<p data-start=\"4814\" data-end=\"4830\"><span class=\"_fadeIn_m1hgl_8\">Idem <\/span><span class=\"_fadeIn_m1hgl_8\">imp\u00e9dance<\/span><\/p>\n<\/li>\n<li data-start=\"4831\" data-end=\"4848\">\n<p data-start=\"4833\" data-end=\"4848\"><span class=\"_fadeIn_m1hgl_8\">Idem <\/span><span class=\"_fadeIn_m1hgl_8\">polarit\u00e9<\/span><\/p>\n<\/li>\n<li data-start=\"4849\" data-end=\"4884\">\n<p data-start=\"4851\" data-end=\"4884\"><span class=\"_fadeIn_m1hgl_8\">Idem <\/span><span class=\"_fadeIn_m1hgl_8\">phase <\/span><span class=\"_fadeIn_m1hgl_8\">angle <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">vecteur <\/span><span class=\"_fadeIn_m1hgl_8\">groupe<\/span><\/p>\n<\/li>\n<\/ul>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-2398729044\" class=\"accordion-item\">\n\t\t<a id=\"accordion-2398729044-label\" class=\"accordion-title plain\" href=\"#accordion-item-36.-what-are-common-applications-of-transformers?\" aria-expanded=\"false\" aria-controls=\"accordion-2398729044-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>36. Quelles sont les applications courantes des transformateurs ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-2398729044-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-2398729044-label\" >\n\t\t\t\n<p data-start=\"4951\" data-end=\"4964\"><strong data-start=\"4951\" data-end=\"4962\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><\/p>\n<ul data-start=\"4965\" data-end=\"5194\">\n<li data-start=\"4965\" data-end=\"5010\">\n<p data-start=\"4967\" data-end=\"5010\"><span class=\"_fadeIn_m1hgl_8\">Puissance <\/span><span class=\"_fadeIn_m1hgl_8\">(<\/span><span class=\"_fadeIn_m1hgl_8\">service public <\/span><span class=\"_fadeIn_m1hgl_8\">transformateurs)<\/span><\/p>\n<\/li>\n<li data-start=\"5011\" data-end=\"5035\">\n<p data-start=\"5013\" data-end=\"5035\"><span class=\"_fadeIn_m1hgl_8\">Industriel <\/span><span class=\"_fadeIn_m1hgl_8\">machines<\/span><\/p>\n<\/li>\n<li data-start=\"5036\" data-end=\"5078\">\n<p data-start=\"5038\" data-end=\"5078\"><span class=\"_fadeIn_m1hgl_8\">Renouvelables <\/span><span class=\"_fadeIn_m1hgl_8\">l'\u00e9nergie <\/span><span class=\"_fadeIn_m1hgl_8\">(<\/span><span class=\"_fadeIn_m1hgl_8\">solaire, <\/span><span class=\"_fadeIn_m1hgl_8\">vent)<\/span><\/p>\n<\/li>\n<li data-start=\"5079\" data-end=\"5125\">\n<p data-start=\"5081\" data-end=\"5125\"><span class=\"_fadeIn_m1hgl_8\">M\u00e9dical <\/span><span class=\"_fadeIn_m1hgl_8\">l'\u00e9quipement (<\/span><span class=\"_fadeIn_m1hgl_8\">l'isolement <\/span><span class=\"_fadeIn_m1hgl_8\">transformateurs)<\/span><\/p>\n<\/li>\n<li data-start=\"5126\" data-end=\"5142\">\n<p data-start=\"5128\" data-end=\"5142\"><span class=\"_fadeIn_m1hgl_8\">CVC <\/span><span class=\"_fadeIn_m1hgl_8\">syst\u00e8mes<\/span><\/p>\n<\/li>\n<li data-start=\"5143\" data-end=\"5171\">\n<p data-start=\"5145\" data-end=\"5171\"><span class=\"_fadeIn_m1hgl_8\">Marine <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">huile <\/span><span class=\"_fadeIn_m1hgl_8\">plates-formes<\/span><\/p>\n<\/li>\n<li data-start=\"5172\" data-end=\"5194\">\n<p data-start=\"5174\" data-end=\"5194\"><span class=\"_fadeIn_m1hgl_8\">Commercial <\/span><span class=\"_fadeIn_m1hgl_8\">b\u00e2timents<\/span><\/p>\n<\/li>\n<\/ul>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-3237891821\" class=\"accordion-item\">\n\t\t<a id=\"accordion-3237891821-label\" class=\"accordion-title plain\" href=\"#accordion-item-37.-what-safety-measures-should-be-taken-when-working-with-transformers?\" aria-expanded=\"false\" aria-controls=\"accordion-3237891821-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>37. Quelles sont les mesures de s\u00e9curit\u00e9 \u00e0 prendre lorsque l'on travaille avec des transformateurs ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-3237891821-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-3237891821-label\" >\n\t\t\t\n<p data-start=\"5284\" data-end=\"5297\"><strong data-start=\"5284\" data-end=\"5295\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><\/p>\n<ul data-start=\"5298\" data-end=\"5510\">\n<li data-start=\"5298\" data-end=\"5357\">\n<p data-start=\"5300\" data-end=\"5357\"><span class=\"_fadeIn_m1hgl_8\">Utilisation <\/span><span class=\"_fadeIn_m1hgl_8\">appropri\u00e9 <\/span><strong data-start=\"5316\" data-end=\"5323\"><span class=\"_fadeIn_m1hgl_8\">EPI<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\"> (<\/span><span class=\"_fadeIn_m1hgl_8\">Personnel <\/span><span class=\"_fadeIn_m1hgl_8\">Protection <\/span><span class=\"_fadeIn_m1hgl_8\">\u00c9quipement)<\/span><\/p>\n<\/li>\n<li data-start=\"5358\" data-end=\"5396\">\n<p data-start=\"5360\" data-end=\"5396\"><strong data-start=\"5360\" data-end=\"5375\"><span class=\"_fadeIn_m1hgl_8\">De-<\/span><span class=\"_fadeIn_m1hgl_8\">dynamiser<\/span><\/strong> <span class=\"_fadeIn_m1hgl_8\">avant <\/span><span class=\"_fadeIn_m1hgl_8\">entretien<\/span><\/p>\n<\/li>\n<li data-start=\"5397\" data-end=\"5431\">\n<p data-start=\"5399\" data-end=\"5431\"><span class=\"_fadeIn_m1hgl_8\">Suivre <\/span><strong data-start=\"5406\" data-end=\"5419\"><span class=\"_fadeIn_m1hgl_8\">mise \u00e0 la terre<\/span><\/strong> <span class=\"_fadeIn_m1hgl_8\">protocoles<\/span><\/p>\n<\/li>\n<li data-start=\"5432\" data-end=\"5467\">\n<p data-start=\"5434\" data-end=\"5467\"><span class=\"_fadeIn_m1hgl_8\">Respect <\/span><strong data-start=\"5442\" data-end=\"5465\"><span class=\"_fadeIn_m1hgl_8\">d\u00e9gagement <\/span><span class=\"_fadeIn_m1hgl_8\">les distances<\/span><\/strong><\/p>\n<\/li>\n<li data-start=\"5468\" data-end=\"5510\">\n<p data-start=\"5470\" data-end=\"5510\"><span class=\"_fadeIn_m1hgl_8\">V\u00e9rifier <\/span><span class=\"_fadeIn_m1hgl_8\">pour <\/span><strong data-start=\"5480\" data-end=\"5493\"><span class=\"_fadeIn_m1hgl_8\">huile <\/span><span class=\"_fadeIn_m1hgl_8\">fuites<\/span><\/strong> <span class=\"_fadeIn_m1hgl_8\">et <\/span><strong data-start=\"5498\" data-end=\"5510\"><span class=\"_fadeIn_m1hgl_8\">points chauds<\/span><\/strong><\/p>\n<\/li>\n<\/ul>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-3197173568\" class=\"accordion-item\">\n\t\t<a id=\"accordion-3197173568-label\" class=\"accordion-title plain\" href=\"#accordion-item-38.-what-certifications-should-a-high-quality-transformer-have?\" aria-expanded=\"false\" aria-controls=\"accordion-3197173568-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>38. Quelles certifications un transformateur de haute qualit\u00e9 doit-il poss\u00e9der ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-3197173568-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-3197173568-label\" >\n\t\t\t\n<p data-start=\"5591\" data-end=\"5604\"><strong data-start=\"5591\" data-end=\"5602\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><\/p>\n<ul data-start=\"5605\" data-end=\"5787\">\n<li data-start=\"5605\" data-end=\"5624\">\n<p data-start=\"5607\" data-end=\"5624\"><strong data-start=\"5607\" data-end=\"5622\"><span class=\"_fadeIn_m1hgl_8\">CE (<\/span><span class=\"_fadeIn_m1hgl_8\">Europe)<\/span><\/strong><\/p>\n<\/li>\n<li data-start=\"5625\" data-end=\"5655\">\n<p data-start=\"5627\" data-end=\"5655\"><strong data-start=\"5627\" data-end=\"5653\"><span class=\"_fadeIn_m1hgl_8\">UL\/<\/span><span class=\"_fadeIn_m1hgl_8\">CSA (<\/span><span class=\"_fadeIn_m1hgl_8\">Nord <\/span><span class=\"_fadeIn_m1hgl_8\">Am\u00e9rique)<\/span><\/strong><\/p>\n<\/li>\n<li data-start=\"5656\" data-end=\"5681\">\n<p data-start=\"5658\" data-end=\"5681\"><strong data-start=\"5658\" data-end=\"5679\"><span class=\"_fadeIn_m1hgl_8\">GOST (<\/span><span class=\"_fadeIn_m1hgl_8\">Russie\/<\/span><span class=\"_fadeIn_m1hgl_8\">CIS)<\/span><\/strong><\/p>\n<\/li>\n<li data-start=\"5682\" data-end=\"5710\">\n<p data-start=\"5684\" data-end=\"5710\"><strong data-start=\"5684\" data-end=\"5708\"><span class=\"_fadeIn_m1hgl_8\">ISO <\/span><span class=\"_fadeIn_m1hgl_8\">9001 \/ <\/span><span class=\"_fadeIn_m1hgl_8\">ISO <\/span><span class=\"_fadeIn_m1hgl_8\">14001<\/span><\/strong><\/p>\n<\/li>\n<li data-start=\"5711\" data-end=\"5787\">\n<p data-start=\"5713\" data-end=\"5787\"><strong data-start=\"5713\" data-end=\"5734\"><span class=\"_fadeIn_m1hgl_8\">Type <\/span><span class=\"_fadeIn_m1hgl_8\">test <\/span><span class=\"_fadeIn_m1hgl_8\">rapports<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\"> (<\/span><span class=\"_fadeIn_m1hgl_8\">court-<\/span><span class=\"_fadeIn_m1hgl_8\">circuit, <\/span><span class=\"_fadeIn_m1hgl_8\">temp\u00e9rature <\/span><span class=\"_fadeIn_m1hgl_8\">augmentation, <\/span><span class=\"_fadeIn_m1hgl_8\">foudre <\/span><span class=\"_fadeIn_m1hgl_8\">impulsion)<\/span><\/p>\n<\/li>\n<\/ul>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-2658857328\" class=\"accordion-item\">\n\t\t<a id=\"accordion-2658857328-label\" class=\"accordion-title plain\" href=\"#accordion-item-39.-what-is-the-purpose-of-grounding-a-transformer?\" aria-expanded=\"false\" aria-controls=\"accordion-2658857328-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>39. \u00c0 quoi sert la mise \u00e0 la terre d'un transformateur ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-2658857328-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-2658857328-label\" >\n\t\t\t\n<p data-start=\"5856\" data-end=\"6013\"><strong data-start=\"5856\" data-end=\"5867\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><br data-start=\"5867\" data-end=\"5870\" \/><span class=\"_fadeIn_m1hgl_8\">Mise \u00e0 la terre <\/span><span class=\"_fadeIn_m1hgl_8\">fournit <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><span class=\"_fadeIn_m1hgl_8\">chemin <\/span><span class=\"_fadeIn_m1hgl_8\">pour <\/span><span class=\"_fadeIn_m1hgl_8\">faute <\/span><span class=\"_fadeIn_m1hgl_8\">courants <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">am\u00e9liore <\/span><span class=\"_fadeIn_m1hgl_8\">syst\u00e8me <\/span><span class=\"_fadeIn_m1hgl_8\">la s\u00e9curit\u00e9. <\/span><span class=\"_fadeIn_m1hgl_8\">Il <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e9galement <\/span><span class=\"_fadeIn_m1hgl_8\">emp\u00eache <\/span><span class=\"_fadeIn_m1hgl_8\">surtensions <\/span><span class=\"_fadeIn_m1hgl_8\">caus\u00e9e <\/span><span class=\"_fadeIn_m1hgl_8\">par <\/span><span class=\"_fadeIn_m1hgl_8\">foudre <\/span><span class=\"_fadeIn_m1hgl_8\">ou <\/span><span class=\"_fadeIn_m1hgl_8\">commutation <\/span><span class=\"_fadeIn_m1hgl_8\">surtensions.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-3732750955\" class=\"accordion-item\">\n\t\t<a id=\"accordion-3732750955-label\" class=\"accordion-title plain\" href=\"#accordion-item-40.-why-are-transformers-rated-in-kva,-not-kw?\" aria-expanded=\"false\" aria-controls=\"accordion-3732750955-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>40. Pourquoi les transformateurs sont-ils \u00e9valu\u00e9s en kVA et non en kW ?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-3732750955-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-3732750955-label\" >\n\t\t\t\n<p data-start=\"6077\" data-end=\"6258\"><strong data-start=\"6077\" data-end=\"6088\"><span class=\"_fadeIn_m1hgl_8\">R\u00e9ponse :<\/span><\/strong><br data-start=\"6088\" data-end=\"6091\" \/><span class=\"_fadeIn_m1hgl_8\">Parce que <\/span><span class=\"_fadeIn_m1hgl_8\">transformateurs <\/span><span class=\"_fadeIn_m1hgl_8\">approvisionnement <\/span><span class=\"_fadeIn_m1hgl_8\">\u00e0 la fois <\/span><span class=\"_fadeIn_m1hgl_8\">active (<\/span><span class=\"_fadeIn_m1hgl_8\">kW) <\/span><span class=\"_fadeIn_m1hgl_8\">et <\/span><span class=\"_fadeIn_m1hgl_8\">r\u00e9active (<\/span><span class=\"_fadeIn_m1hgl_8\">kVAR) <\/span><span class=\"_fadeIn_m1hgl_8\">puissance. <\/span><span class=\"_fadeIn_m1hgl_8\">Ils <\/span><span class=\"_fadeIn_m1hgl_8\">sont <\/span><span class=\"_fadeIn_m1hgl_8\">pas <\/span><span class=\"_fadeIn_m1hgl_8\">affect\u00e9e <\/span><span class=\"_fadeIn_m1hgl_8\">par <\/span><span class=\"_fadeIn_m1hgl_8\">les <\/span><span class=\"_fadeIn_m1hgl_8\">charge <\/span><span class=\"_fadeIn_m1hgl_8\">pouvoir <\/span><span class=\"_fadeIn_m1hgl_8\">facteur, <\/span><span class=\"_fadeIn_m1hgl_8\">donc <\/span><span class=\"_fadeIn_m1hgl_8\">kVA <\/span><span class=\"_fadeIn_m1hgl_8\">refl\u00e8te <\/span><span class=\"_fadeIn_m1hgl_8\">total <\/span><span class=\"_fadeIn_m1hgl_8\">capacit\u00e9 <\/span><span class=\"_fadeIn_m1hgl_8\">plus <\/span><span class=\"_fadeIn_m1hgl_8\">avec pr\u00e9cision.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n<\/div>\n\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f280-o1\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"280\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form 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name=\"trp-form-language\" value=\"fr\"\/><\/form>\n<\/div>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\n<p><iframe src=\"https:\/\/www.google.com\/maps\/embed?pb=!1m18!1m12!1m3!1d3495.969603639288!2d118.72337907640951!3d28.809979675998758!2m3!1f0!2f0!3f0!3m2!1i1024!2i768!4f13.1!3m3!1m2!1s0x344826d0ac2fee43%3A0x7023587532155070!2sXinggong%208th%20Road!5e0!3m2!1sen!2shk!4v1773287589101!5m2!1sen!2shk\" width=\"100%\" height=\"500\" style=\"border:0;\" allowfullscreen=\"\" loading=\"lazy\" referrerpolicy=\"no-referrer-when-downgrade\"><\/iframe><br \/>","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-transparent-header.php","meta":{"footnotes":""},"class_list":["post-2085","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Faqs - Electrical Power Transformer Manufacturers For Sale | Energy Transformer<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/energypowertransformer.com\/fr\/faqs\/\" \/>\n<meta property=\"og:locale\" content=\"fr_CA\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Faqs - Electrical Power Transformer Manufacturers For Sale | Energy Transformer\" \/>\n<meta property=\"og:url\" content=\"https:\/\/energypowertransformer.com\/fr\/faqs\/\" \/>\n<meta property=\"og:site_name\" content=\"Electrical Power Transformer Manufacturers For Sale | Energy Transformer\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-12T04:35:47+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Estimation du temps de lecture\" \/>\n\t<meta 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