{"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\/en_ca\/faqs\/","title":{"rendered":"Faqs"},"content":{"rendered":"<div class=\"banner has-hover\" id=\"banner-5595325\">\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-1631992492\" 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>FAQS Section<\/strong><\/span><\/h2>\n<p style=\"text-align: left;\"><span style=\"color: #000000; font-size: 150%;\">Your Easy Guide to Transformer Selection, Operation, and Maintenance<\/span><\/p>\n              <\/div>\n           <\/div>\n                            \n<style>\n#text-box-1631992492 {\n  width: 100%;\n}\n#text-box-1631992492 .text-box-content {\n  font-size: 100%;\n}\n<\/style>\n    <\/div>\n \n        <\/div>\n      <\/div>\n\n            \n<style>\n#banner-5595325 {\n  padding-top: 600px;\n  background-color: rgb(255,255,255);\n}\n#banner-5595325 .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-5595325 .overlay {\n  background-color: rgba(255,255,255,.5);\n}\n<\/style>\n  <\/div>\n\n\n<div class=\"row\"  id=\"row-1785103205\">\n\n\t<div id=\"col-868521701\" 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-1701299178\" class=\"accordion-item\">\n\t\t<a id=\"accordion-1701299178-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-1701299178-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>1. How is primary power related to secondary power in a transformer?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-1701299178-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-1701299178-label\" >\n\t\t\t\n<p><strong data-start=\"418\" data-end=\"429\"><span class=\"_fadeIn_m1hgl_8\">Answer:<\/span><\/strong><br data-start=\"429\" data-end=\"432\" \/><span class=\"_fadeIn_m1hgl_8\">In<\/span><span class=\"_fadeIn_m1hgl_8\">an <\/span><span class=\"_fadeIn_m1hgl_8\">ideal <\/span><span class=\"_fadeIn_m1hgl_8\">transformer<\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">power <\/span><span class=\"_fadeIn_m1hgl_8\">input<\/span><span class=\"_fadeIn_m1hgl_8\">to <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">primary <\/span><span class=\"_fadeIn_m1hgl_8\">coil <\/span><span class=\"_fadeIn_m1hgl_8\">equals <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">power <\/span><span class=\"_fadeIn_m1hgl_8\">output <\/span><span class=\"_fadeIn_m1hgl_8\">from <\/span><span class=\"_fadeIn_m1hgl_8\">the<\/span><span class=\"_fadeIn_m1hgl_8\">secondary <\/span><span class=\"_fadeIn_m1hgl_8\">coil. <\/span><span class=\"_fadeIn_m1hgl_8\">In <\/span><span class=\"_fadeIn_m1hgl_8\">real-<\/span><span class=\"_fadeIn_m1hgl_8\">world <\/span><span class=\"_fadeIn_m1hgl_8\">applications, <\/span><span class=\"_fadeIn_m1hgl_8\">due <\/span><span class=\"_fadeIn_m1hgl_8\">to <\/span><span class=\"_fadeIn_m1hgl_8\">minor <\/span><span class=\"_fadeIn_m1hgl_8\">losses (<\/span><span class=\"_fadeIn_m1hgl_8\">like <\/span><span class=\"_fadeIn_m1hgl_8\">core <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">copper <\/span><span class=\"_fadeIn_m1hgl_8\">losses<\/span><span class=\"_fadeIn_m1hgl_8\">transformers <\/span><span class=\"_fadeIn_m1hgl_8\">typically <\/span><span class=\"_fadeIn_m1hgl_8\">operate <\/span><span class=\"_fadeIn_m1hgl_8\">at <\/span><span class=\"_fadeIn_m1hgl_8\">95\u2013<\/span><span class=\"_fadeIn_m1hgl_8\">99% <\/span><span class=\"_fadeIn_m1hgl_8\">efficiency.<\/span><br data-start=\"673\" data-end=\"676\" \/><strong data-start=\"676\" data-end=\"688\"><span class=\"_fadeIn_m1hgl_8\">Example:<\/span><\/strong><br data-start=\"688\" data-end=\"691\" \/><span class=\"_fadeIn_m1hgl_8\">If <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><span class=\"_fadeIn_m1hgl_8\">transformer<\/span><span class=\"_fadeIn_m1hgl_8\">has <\/span><span class=\"_fadeIn_m1hgl_8\">1000 <\/span><span class=\"_fadeIn_m1hgl_8\">VA <\/span><span class=\"_fadeIn_m1hgl_8\">input <\/span><span class=\"_fadeIn_m1hgl_8\">power<\/span><span class=\"_fadeIn_m1hgl_8\">and<\/span><span class=\"_fadeIn_m1hgl_8\">98%<\/span><span class=\"_fadeIn_m1hgl_8\">efficiency, <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">output <\/span><span class=\"_fadeIn_m1hgl_8\">power <\/span><span class=\"_fadeIn_m1hgl_8\">will <\/span><span class=\"_fadeIn_m1hgl_8\">be:<\/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-660652339\" class=\"accordion-item\">\n\t\t<a id=\"accordion-660652339-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-660652339-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>2. What happens to the current if the secondary voltage is half of the primary voltage?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-660652339-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-660652339-label\" >\n\t\t\t\n<p><strong data-start=\"913\" data-end=\"924\"><span class=\"_fadeIn_m1hgl_8\">Answer:<\/span><\/strong><br data-start=\"924\" data-end=\"927\" \/><span class=\"_fadeIn_m1hgl_8\">The <\/span><span class=\"_fadeIn_m1hgl_8\">current <\/span><span class=\"_fadeIn_m1hgl_8\">increases <\/span><span class=\"_fadeIn_m1hgl_8\">as <\/span><span class=\"_fadeIn_m1hgl_8\">voltage <\/span><span class=\"_fadeIn_m1hgl_8\">decreases, <\/span><span class=\"_fadeIn_m1hgl_8\">assuming <\/span><span class=\"_fadeIn_m1hgl_8\">power <\/span><span class=\"_fadeIn_m1hgl_8\">remains <\/span><span class=\"_fadeIn_m1hgl_8\">constant. <\/span><span class=\"_fadeIn_m1hgl_8\">If <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">secondary <\/span><span class=\"_fadeIn_m1hgl_8\">voltage <\/span><span class=\"_fadeIn_m1hgl_8\">is <\/span><span class=\"_fadeIn_m1hgl_8\">half, <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">current <\/span><span class=\"_fadeIn_m1hgl_8\">will <\/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\">Example:<\/span><\/strong><br data-start=\"1077\" data-end=\"1080\" \/><span class=\"_fadeIn_m1hgl_8\">Primary: <\/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\">Secondary: <\/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\">ideal <\/span><span class=\"_fadeIn_m1hgl_8\">condition).<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-1665408947\" class=\"accordion-item\">\n\t\t<a id=\"accordion-1665408947-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-1665408947-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>3. What determines whether a transformer steps voltage up or down?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-1665408947-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-1665408947-label\" >\n\t\t\t\n<p><strong data-start=\"1228\" data-end=\"1239\"><span class=\"_fadeIn_m1hgl_8\">Answer:<\/span><\/strong><br data-start=\"1239\" data-end=\"1242\" \/><span class=\"_fadeIn_m1hgl_8\">The <\/span><span class=\"_fadeIn_m1hgl_8\">turns <\/span><span class=\"_fadeIn_m1hgl_8\">ratio (<\/span><span class=\"_fadeIn_m1hgl_8\">number <\/span><span class=\"_fadeIn_m1hgl_8\">of <\/span><span class=\"_fadeIn_m1hgl_8\">wire <\/span><span class=\"_fadeIn_m1hgl_8\">turns <\/span><span class=\"_fadeIn_m1hgl_8\">on <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">coils). <\/span><span class=\"_fadeIn_m1hgl_8\">If <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">secondary <\/span><span class=\"_fadeIn_m1hgl_8\">winding <\/span><span class=\"_fadeIn_m1hgl_8\">has <\/span><span class=\"_fadeIn_m1hgl_8\">more <\/span><span class=\"_fadeIn_m1hgl_8\">turns <\/span><span class=\"_fadeIn_m1hgl_8\">than <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">primary, <\/span><span class=\"_fadeIn_m1hgl_8\">it's <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><strong data-start=\"1360\" data-end=\"1383\"><span class=\"_fadeIn_m1hgl_8\">step-<\/span><span class=\"_fadeIn_m1hgl_8\">up <\/span><span class=\"_fadeIn_m1hgl_8\">transformer<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">. <\/span><span class=\"_fadeIn_m1hgl_8\">If <\/span><span class=\"_fadeIn_m1hgl_8\">it <\/span><span class=\"_fadeIn_m1hgl_8\">has <\/span><span class=\"_fadeIn_m1hgl_8\">fewer, <\/span><span class=\"_fadeIn_m1hgl_8\">it,s <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><strong data-start=\"1409\" data-end=\"1434\"><span class=\"_fadeIn_m1hgl_8\">step-<\/span><span class=\"_fadeIn_m1hgl_8\">down <\/span><span class=\"_fadeIn_m1hgl_8\">transformer<\/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\">Formula:<\/span><\/strong><\/p>\n<div class=\"row\"  id=\"row-454437044\">\n\n\t<div id=\"col-1260707865\" 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-670035977\" 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_738234029\">\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=\"Diagram showing how a transformer steps voltage up or down\" 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_738234029 {\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-1858714029\" 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-3809897856\" class=\"accordion-item\">\n\t\t<a id=\"accordion-3809897856-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-3809897856-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>4. What is the turns ratio if a transformer increases voltage from 55 V to 165 V?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-3809897856-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-3809897856-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\">Answer:<\/span><\/strong><\/p>\n<div class=\"row\"  id=\"row-918807932\">\n\n\t<div id=\"col-1857725410\" 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-2062011300\" 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_323357331\">\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;Transformer increasing voltage from 55V to 165V with turns ratio calculation\" 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_323357331 {\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-607397382\" 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\">The <\/span><span class=\"_fadeIn_m1hgl_8\">secondary <\/span><span class=\"_fadeIn_m1hgl_8\">winding <\/span><span class=\"_fadeIn_m1hgl_8\">has <\/span><span class=\"_fadeIn_m1hgl_8\">3 <\/span><span class=\"_fadeIn_m1hgl_8\">times <\/span><span class=\"_fadeIn_m1hgl_8\">as <\/span><span class=\"_fadeIn_m1hgl_8\">many <\/span><span class=\"_fadeIn_m1hgl_8\">turns <\/span><span class=\"_fadeIn_m1hgl_8\">as <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">primary.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-125689947\" class=\"accordion-item\">\n\t\t<a id=\"accordion-125689947-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-125689947-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>5. If a transformer secondary coil supplies 350 VA, how much power does the primary coil deliver?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-125689947-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-125689947-label\" >\n\t\t\t\n<p><strong data-start=\"1849\" data-end=\"1860\"><span class=\"_fadeIn_m1hgl_8\">Answer:<\/span><\/strong><br data-start=\"1860\" data-end=\"1863\" \/><span class=\"_fadeIn_m1hgl_8\">Assuming <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><span class=\"_fadeIn_m1hgl_8\">97% <\/span><span class=\"_fadeIn_m1hgl_8\">efficiency,<\/span><\/p>\n<div class=\"row\"  id=\"row-1663287725\">\n\n\t<div id=\"col-1278829858\" 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-1910918806\" 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_187384139\">\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=\"Transformer primary and secondary coils showing 350 VA power transfer\" 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_187384139 {\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-503891601\" 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-3938450671\" class=\"accordion-item\">\n\t\t<a id=\"accordion-3938450671-label\" class=\"accordion-title plain\" href=\"#accordion-item-6.-what-is-the-difference-between-primary-and-secondary-windings?\" aria-expanded=\"false\" aria-controls=\"accordion-3938450671-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>6. What is the difference between primary and secondary windings?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-3938450671-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-3938450671-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\">Answer:<\/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\">Primary <\/span><span class=\"_fadeIn_m1hgl_8\">winding<\/span><\/strong> <span class=\"_fadeIn_m1hgl_8\">receives <\/span><span class=\"_fadeIn_m1hgl_8\">input <\/span><span class=\"_fadeIn_m1hgl_8\">voltage.<\/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\">Secondary <\/span><span class=\"_fadeIn_m1hgl_8\">winding<\/span><\/strong> <span class=\"_fadeIn_m1hgl_8\">delivers <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">transformed <\/span><span class=\"_fadeIn_m1hgl_8\">voltage <\/span><span class=\"_fadeIn_m1hgl_8\">to <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">load.<\/span><br data-start=\"2162\" data-end=\"2165\" \/><span class=\"_fadeIn_m1hgl_8\">Their <\/span><span class=\"_fadeIn_m1hgl_8\">wire <\/span><span class=\"_fadeIn_m1hgl_8\">gauge, <\/span><span class=\"_fadeIn_m1hgl_8\">insulation, <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">number <\/span><span class=\"_fadeIn_m1hgl_8\">of <\/span><span class=\"_fadeIn_m1hgl_8\">turns <\/span><span class=\"_fadeIn_m1hgl_8\">are <\/span><span class=\"_fadeIn_m1hgl_8\">designed <\/span><span class=\"_fadeIn_m1hgl_8\">based <\/span><span class=\"_fadeIn_m1hgl_8\">on <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">voltage <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">current <\/span><span class=\"_fadeIn_m1hgl_8\">requirements.<\/span><\/p>\n<\/li>\n<\/ul>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-854838295\" class=\"accordion-item\">\n\t\t<a id=\"accordion-854838295-label\" class=\"accordion-title plain\" href=\"#accordion-item-7.-what-happens-to-secondary-voltage-as-the-load-increases?\" aria-expanded=\"false\" aria-controls=\"accordion-854838295-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>7. What happens to secondary voltage as the load increases?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-854838295-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-854838295-label\" >\n\t\t\t\n<p><strong data-start=\"2351\" data-end=\"2362\"><span class=\"_fadeIn_m1hgl_8\">Answer:<\/span><\/strong><br data-start=\"2362\" data-end=\"2365\" \/><span class=\"_fadeIn_m1hgl_8\">Secondary <\/span><span class=\"_fadeIn_m1hgl_8\">voltage <\/span><span class=\"_fadeIn_m1hgl_8\">tends <\/span><span class=\"_fadeIn_m1hgl_8\">to <\/span><span class=\"_fadeIn_m1hgl_8\">drop <\/span><span class=\"_fadeIn_m1hgl_8\">as <\/span><span class=\"_fadeIn_m1hgl_8\">load <\/span><span class=\"_fadeIn_m1hgl_8\">increases <\/span><span class=\"_fadeIn_m1hgl_8\">due <\/span><span class=\"_fadeIn_m1hgl_8\">to <\/span><strong data-start=\"2422\" data-end=\"2464\"><span class=\"_fadeIn_m1hgl_8\">voltage <\/span><span class=\"_fadeIn_m1hgl_8\">drop <\/span><span class=\"_fadeIn_m1hgl_8\">across <\/span><span class=\"_fadeIn_m1hgl_8\">internal <\/span><span class=\"_fadeIn_m1hgl_8\">impedance<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">. <\/span><span class=\"_fadeIn_m1hgl_8\">This <\/span><span class=\"_fadeIn_m1hgl_8\">phenomenon <\/span><span class=\"_fadeIn_m1hgl_8\">is <\/span><span class=\"_fadeIn_m1hgl_8\">measured <\/span><span class=\"_fadeIn_m1hgl_8\">by <\/span><span class=\"_fadeIn_m1hgl_8\">voltage <\/span><span class=\"_fadeIn_m1hgl_8\">regulation.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-1237764856\" class=\"accordion-item\">\n\t\t<a id=\"accordion-1237764856-label\" class=\"accordion-title plain\" href=\"#accordion-item-8.-what-is-meant-by-percent-voltage-regulation?\" aria-expanded=\"false\" aria-controls=\"accordion-1237764856-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>8. What is meant by percent voltage regulation?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-1237764856-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-1237764856-label\" >\n\t\t\t\n<p><strong data-start=\"2581\" data-end=\"2592\"><span class=\"_fadeIn_m1hgl_8\">Answer:<\/span><\/strong><br data-start=\"2592\" data-end=\"2595\" \/>It shows how much the voltage drops under full load compared to no load.<br \/>\nA lower % means better voltage stability.<\/p>\n<div class=\"row\"  id=\"row-106453727\">\n\n\t<div id=\"col-345993236\" 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-991054861\" 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_1512950218\">\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=\"Transformer percent voltage regulation explained with voltage drop illustration\" 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_1512950218 {\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-789871851\" 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-3286057029\" class=\"accordion-item\">\n\t\t<a id=\"accordion-3286057029-label\" class=\"accordion-title plain\" href=\"#accordion-item-9.-what-is-done-to-compensate-for-secondary-voltage-drop?\" aria-expanded=\"false\" aria-controls=\"accordion-3286057029-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>9. What is done to compensate for secondary voltage drop?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-3286057029-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-3286057029-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\">Answer:<\/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\">Use <\/span><strong data-start=\"2905\" data-end=\"2932\"><span class=\"_fadeIn_m1hgl_8\">voltage <\/span><span class=\"_fadeIn_m1hgl_8\">regulation <\/span><span class=\"_fadeIn_m1hgl_8\">taps<\/span><\/strong> <span class=\"_fadeIn_m1hgl_8\">on <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">transformer.<\/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\">Choose <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><span class=\"_fadeIn_m1hgl_8\">transformer <\/span><span class=\"_fadeIn_m1hgl_8\">with <\/span><strong data-start=\"2983\" data-end=\"3000\"><span class=\"_fadeIn_m1hgl_8\">low <\/span><span class=\"_fadeIn_m1hgl_8\">impedance<\/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\">Employ <\/span><strong data-start=\"3013\" data-end=\"3045\"><span class=\"_fadeIn_m1hgl_8\">automatic <\/span><span class=\"_fadeIn_m1hgl_8\">voltage <\/span><span class=\"_fadeIn_m1hgl_8\">regulators<\/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-2838296305\" class=\"accordion-item\">\n\t\t<a id=\"accordion-2838296305-label\" class=\"accordion-title plain\" href=\"#accordion-item-10.-what-are-the-two-main-types-of-transformer-losses?\" aria-expanded=\"false\" aria-controls=\"accordion-2838296305-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>10. What are the two main types of transformer losses?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-2838296305-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-2838296305-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\">Answer:<\/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\">Core (<\/span><span class=\"_fadeIn_m1hgl_8\">iron) <\/span><span class=\"_fadeIn_m1hgl_8\">losses<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\"> \u2013 <\/span><span class=\"_fadeIn_m1hgl_8\">due <\/span><span class=\"_fadeIn_m1hgl_8\">to <\/span><span class=\"_fadeIn_m1hgl_8\">magnetic <\/span><span class=\"_fadeIn_m1hgl_8\">hysteresis <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">eddy <\/span><span class=\"_fadeIn_m1hgl_8\">currents.<\/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\">Copper (<\/span><span class=\"_fadeIn_m1hgl_8\">I\u00b2<\/span><span class=\"_fadeIn_m1hgl_8\">R) <\/span><span class=\"_fadeIn_m1hgl_8\">losses<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\"> \u2013 <\/span><span class=\"_fadeIn_m1hgl_8\">due <\/span><span class=\"_fadeIn_m1hgl_8\">to <\/span><span class=\"_fadeIn_m1hgl_8\">resistance <\/span><span class=\"_fadeIn_m1hgl_8\">in <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">windings.<\/span><\/p>\n<\/li>\n<\/ul>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-2308460513\" class=\"accordion-item\">\n\t\t<a id=\"accordion-2308460513-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-2308460513-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>11. What turns ratio is required if the primary current is 7 A and secondary current is 21 A?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-2308460513-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-2308460513-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\">Answer:<\/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\">This <\/span><span class=\"_fadeIn_m1hgl_8\">implies <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><span class=\"_fadeIn_m1hgl_8\">step-<\/span><span class=\"_fadeIn_m1hgl_8\">down <\/span><span class=\"_fadeIn_m1hgl_8\">transformer <\/span><span class=\"_fadeIn_m1hgl_8\">with <\/span><span class=\"_fadeIn_m1hgl_8\">3 <\/span><span class=\"_fadeIn_m1hgl_8\">times <\/span><span class=\"_fadeIn_m1hgl_8\">more <\/span><span class=\"_fadeIn_m1hgl_8\">turns <\/span><span class=\"_fadeIn_m1hgl_8\">in <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">primary.<\/span><\/p>\n<div class=\"row\"  id=\"row-1583925459\">\n\n\t<div id=\"col-935277678\" 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-308087700\" 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_1859290091\">\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=\"Transformer turns ratio calculation based on 7A primary and 21A secondary current\" 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_1859290091 {\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-257334834\" 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-3412785688\" class=\"accordion-item\">\n\t\t<a id=\"accordion-3412785688-label\" class=\"accordion-title plain\" href=\"#accordion-item-12.-how-are-voltage-and-current-ratios-related-in-transformers?\" aria-expanded=\"false\" aria-controls=\"accordion-3412785688-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>12. How are voltage and current ratios related in transformers?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-3412785688-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-3412785688-label\" >\n\t\t\t\n<p><strong data-start=\"3625\" data-end=\"3636\"><span class=\"_fadeIn_m1hgl_8\">Answer:<\/span><\/strong><br data-start=\"3636\" data-end=\"3639\" \/><span class=\"_fadeIn_m1hgl_8\">In <\/span><span class=\"_fadeIn_m1hgl_8\">ideal <\/span><span class=\"_fadeIn_m1hgl_8\">transformers:<\/span><\/p>\n<div class=\"row\"  id=\"row-1980406054\">\n\n\t<div id=\"col-1775091040\" 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-1875383022\" 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_558398273\">\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=\"Diagram showing the inverse relationship between voltage and current ratios in a transformer\" 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_558398273 {\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-604086157\" 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\">Voltage <\/span><span class=\"_fadeIn_m1hgl_8\">ratio <\/span><span class=\"_fadeIn_m1hgl_8\">is <\/span><span class=\"_fadeIn_m1hgl_8\">directly <\/span><span class=\"_fadeIn_m1hgl_8\">proportional <\/span><span class=\"_fadeIn_m1hgl_8\">to <\/span><span class=\"_fadeIn_m1hgl_8\">turns <\/span><span class=\"_fadeIn_m1hgl_8\">ratio <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">inversely <\/span><span class=\"_fadeIn_m1hgl_8\">proportional <\/span><span class=\"_fadeIn_m1hgl_8\">to <\/span><span class=\"_fadeIn_m1hgl_8\">current <\/span><span class=\"_fadeIn_m1hgl_8\">ratio.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-2236435633\" class=\"accordion-item\">\n\t\t<a id=\"accordion-2236435633-label\" class=\"accordion-title plain\" href=\"#accordion-item-13.-what-is-the-purpose-of-voltage-correction-taps?\" aria-expanded=\"false\" aria-controls=\"accordion-2236435633-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>13. What is the purpose of voltage correction taps?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-2236435633-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-2236435633-label\" >\n\t\t\t\n<p><strong data-start=\"3891\" data-end=\"3902\"><span class=\"_fadeIn_m1hgl_8\">Answer:<\/span><\/strong><br data-start=\"3902\" data-end=\"3905\" \/><span class=\"_fadeIn_m1hgl_8\">Voltage <\/span><span class=\"_fadeIn_m1hgl_8\">taps <\/span><span class=\"_fadeIn_m1hgl_8\">adjust <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">transformer's <\/span><span class=\"_fadeIn_m1hgl_8\">output <\/span><span class=\"_fadeIn_m1hgl_8\">to <\/span><span class=\"_fadeIn_m1hgl_8\">compensate <\/span><span class=\"_fadeIn_m1hgl_8\">for <\/span><span class=\"_fadeIn_m1hgl_8\">high <\/span><span class=\"_fadeIn_m1hgl_8\">or <\/span><span class=\"_fadeIn_m1hgl_8\">low <\/span><span class=\"_fadeIn_m1hgl_8\">input <\/span><span class=\"_fadeIn_m1hgl_8\">voltage. <\/span><span class=\"_fadeIn_m1hgl_8\">They <\/span><span class=\"_fadeIn_m1hgl_8\">help <\/span><span class=\"_fadeIn_m1hgl_8\">maintain <\/span><strong data-start=\"4014\" data-end=\"4039\"><span class=\"_fadeIn_m1hgl_8\">stable <\/span><span class=\"_fadeIn_m1hgl_8\">output <\/span><span class=\"_fadeIn_m1hgl_8\">voltage<\/span><\/strong> <span class=\"_fadeIn_m1hgl_8\">without <\/span><span class=\"_fadeIn_m1hgl_8\">replacing <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">unit.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-3592745237\" class=\"accordion-item\">\n\t\t<a id=\"accordion-3592745237-label\" class=\"accordion-title plain\" href=\"#accordion-item-14.-what-are-the-main-functions-of-a-transformer?\" aria-expanded=\"false\" aria-controls=\"accordion-3592745237-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>14. What are the main functions of a transformer?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-3592745237-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-3592745237-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\">Answer:<\/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\">Voltage <\/span><span class=\"_fadeIn_m1hgl_8\">transformation<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\"> (<\/span><span class=\"_fadeIn_m1hgl_8\">step-<\/span><span class=\"_fadeIn_m1hgl_8\">up <\/span><span class=\"_fadeIn_m1hgl_8\">or <\/span><span class=\"_fadeIn_m1hgl_8\">step-<\/span><span class=\"_fadeIn_m1hgl_8\">down)<\/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\">Electrical <\/span><span class=\"_fadeIn_m1hgl_8\">isolation<\/span><\/strong> <span class=\"_fadeIn_m1hgl_8\">between <\/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\">Impedance <\/span><span class=\"_fadeIn_m1hgl_8\">matching<\/span><\/strong> <span class=\"_fadeIn_m1hgl_8\">in <\/span><span class=\"_fadeIn_m1hgl_8\">communication <\/span><span class=\"_fadeIn_m1hgl_8\">or <\/span><span class=\"_fadeIn_m1hgl_8\">audio <\/span><span class=\"_fadeIn_m1hgl_8\">systems<\/span><\/p>\n<\/li>\n<\/ol>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-893871697\" class=\"accordion-item\">\n\t\t<a id=\"accordion-893871697-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-893871697-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>15. Which winding is the primary in a step-up transformer?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-893871697-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-893871697-label\" >\n\t\t\t\n<p><strong data-start=\"4385\" data-end=\"4396\"><span class=\"_fadeIn_m1hgl_8\">Answer:<\/span><\/strong><br data-start=\"4396\" data-end=\"4399\" \/><span class=\"_fadeIn_m1hgl_8\">The <\/span><span class=\"_fadeIn_m1hgl_8\">winding <\/span><span class=\"_fadeIn_m1hgl_8\">connected <\/span><span class=\"_fadeIn_m1hgl_8\">to <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><strong data-start=\"4428\" data-end=\"4452\"><span class=\"_fadeIn_m1hgl_8\">lower <\/span><span class=\"_fadeIn_m1hgl_8\">voltage <\/span><span class=\"_fadeIn_m1hgl_8\">source<\/span><\/strong> <span class=\"_fadeIn_m1hgl_8\">is <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><strong data-start=\"4460\" data-end=\"4479\"><span class=\"_fadeIn_m1hgl_8\">primary <\/span><span class=\"_fadeIn_m1hgl_8\">winding<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">, <\/span><span class=\"_fadeIn_m1hgl_8\">even <\/span><span class=\"_fadeIn_m1hgl_8\">if <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">output <\/span><span class=\"_fadeIn_m1hgl_8\">voltage <\/span><span class=\"_fadeIn_m1hgl_8\">is <\/span><span class=\"_fadeIn_m1hgl_8\">higher.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-1786729987\" class=\"accordion-item\">\n\t\t<a id=\"accordion-1786729987-label\" class=\"accordion-title plain\" href=\"#accordion-item-16.-what-factors-should-be-considered-when-selecting-a-transformer?\" aria-expanded=\"false\" aria-controls=\"accordion-1786729987-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>16. What factors should be considered when selecting a transformer?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-1786729987-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-1786729987-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\">Answer:<\/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\">Rated <\/span><span class=\"_fadeIn_m1hgl_8\">Power (<\/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\">Input <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">output <\/span><span class=\"_fadeIn_m1hgl_8\">voltage <\/span><span class=\"_fadeIn_m1hgl_8\">levels<\/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\">Frequency (<\/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\">or <\/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\">dry-<\/span><span class=\"_fadeIn_m1hgl_8\">type, <\/span><span class=\"_fadeIn_m1hgl_8\">oil-<\/span><span class=\"_fadeIn_m1hgl_8\">immersed, <\/span><span class=\"_fadeIn_m1hgl_8\">isolation, <\/span><span class=\"_fadeIn_m1hgl_8\">autotransformer)<\/span><\/p>\n<\/li>\n<\/ol>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-882878454\" class=\"accordion-item\">\n\t\t<a id=\"accordion-882878454-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-882878454-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>17. What is the line voltage of a three-phase transformer if each phase outputs 240 V?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-882878454-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-882878454-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\">Answer:<\/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\">connection:<\/span><\/strong><\/p>\n<\/li>\n<\/ul>\n<div class=\"row\"  id=\"row-811565169\">\n\n\t<div id=\"col-1227567336\" 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-1210272314\" 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_443106181\">\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=\"Three-phase transformer showing phase voltage of 240V and calculated line voltage\" 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_443106181 {\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-887632205\" 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\">connection:<\/span><\/strong><\/li>\n<\/ul>\n<div class=\"row\"  id=\"row-294561988\">\n\n\t<div id=\"col-720693185\" 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-11952477\" 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_768633629\">\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=\"Three-phase transformer in delta connection with 240V phase voltage and line voltage\" 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_768633629 {\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-1684804108\" 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-169275672\" class=\"accordion-item\">\n\t\t<a id=\"accordion-169275672-label\" class=\"accordion-title plain\" href=\"#accordion-item-18.-what-is-a-transformer-and-how-does-it-work?\" aria-expanded=\"false\" aria-controls=\"accordion-169275672-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>18. What is a transformer and how does it work?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-169275672-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-169275672-label\" >\n\t\t\t\n<p><strong data-start=\"243\" data-end=\"254\"><span class=\"_fadeIn_m1hgl_8\">Answer:<\/span><\/strong><br data-start=\"254\" data-end=\"257\" \/><span class=\"_fadeIn_m1hgl_8\">A <\/span><span class=\"_fadeIn_m1hgl_8\">transformer <\/span><span class=\"_fadeIn_m1hgl_8\">is <\/span><span class=\"_fadeIn_m1hgl_8\">an <\/span><span class=\"_fadeIn_m1hgl_8\">electrical <\/span><span class=\"_fadeIn_m1hgl_8\">device <\/span><span class=\"_fadeIn_m1hgl_8\">that <\/span><span class=\"_fadeIn_m1hgl_8\">transfers <\/span><span class=\"_fadeIn_m1hgl_8\">electrical <\/span><span class=\"_fadeIn_m1hgl_8\">energy <\/span><span class=\"_fadeIn_m1hgl_8\">between <\/span><span class=\"_fadeIn_m1hgl_8\">two <\/span><span class=\"_fadeIn_m1hgl_8\">or <\/span><span class=\"_fadeIn_m1hgl_8\">more <\/span><span class=\"_fadeIn_m1hgl_8\">circuits <\/span><span class=\"_fadeIn_m1hgl_8\">through <\/span><span class=\"_fadeIn_m1hgl_8\">electromagnetic <\/span><span class=\"_fadeIn_m1hgl_8\">induction. <\/span><span class=\"_fadeIn_m1hgl_8\">It <\/span><span class=\"_fadeIn_m1hgl_8\">typically <\/span><span class=\"_fadeIn_m1hgl_8\">works <\/span><span class=\"_fadeIn_m1hgl_8\">on <\/span><span class=\"_fadeIn_m1hgl_8\">alternating <\/span><span class=\"_fadeIn_m1hgl_8\">current (<\/span><span class=\"_fadeIn_m1hgl_8\">AC) <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">consists <\/span><span class=\"_fadeIn_m1hgl_8\">of <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><span class=\"_fadeIn_m1hgl_8\">core <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">two <\/span><span class=\"_fadeIn_m1hgl_8\">or <\/span><span class=\"_fadeIn_m1hgl_8\">more <\/span><span class=\"_fadeIn_m1hgl_8\">windings.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-233341819\" class=\"accordion-item\">\n\t\t<a id=\"accordion-233341819-label\" class=\"accordion-title plain\" href=\"#accordion-item-19.-what-are-the-main-types-of-transformers?\" aria-expanded=\"false\" aria-controls=\"accordion-233341819-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>19. What are the main types of transformers?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-233341819-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-233341819-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\">Answer:<\/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\">Step-<\/span><span class=\"_fadeIn_m1hgl_8\">up <\/span><span class=\"_fadeIn_m1hgl_8\">transformer<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">: <\/span><span class=\"_fadeIn_m1hgl_8\">Increases <\/span><span class=\"_fadeIn_m1hgl_8\">voltage.<\/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\">Step-<\/span><span class=\"_fadeIn_m1hgl_8\">down <\/span><span class=\"_fadeIn_m1hgl_8\">transformer<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">: <\/span><span class=\"_fadeIn_m1hgl_8\">Decreases <\/span><span class=\"_fadeIn_m1hgl_8\">voltage.<\/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\">Isolation <\/span><span class=\"_fadeIn_m1hgl_8\">transformer<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">: <\/span><span class=\"_fadeIn_m1hgl_8\">Electrically <\/span><span class=\"_fadeIn_m1hgl_8\">separates <\/span><span class=\"_fadeIn_m1hgl_8\">two <\/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\">Autotransformer<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">: <\/span><span class=\"_fadeIn_m1hgl_8\">A <\/span><span class=\"_fadeIn_m1hgl_8\">single <\/span><span class=\"_fadeIn_m1hgl_8\">winding <\/span><span class=\"_fadeIn_m1hgl_8\">acts <\/span><span class=\"_fadeIn_m1hgl_8\">as <\/span><span class=\"_fadeIn_m1hgl_8\">both <\/span><span class=\"_fadeIn_m1hgl_8\">primary <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">secondary.<\/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\">Three-<\/span><span class=\"_fadeIn_m1hgl_8\">phase <\/span><span class=\"_fadeIn_m1hgl_8\">transformer<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">: <\/span><span class=\"_fadeIn_m1hgl_8\">For <\/span><span class=\"_fadeIn_m1hgl_8\">industrial <\/span><span class=\"_fadeIn_m1hgl_8\">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\">Dry-<\/span><span class=\"_fadeIn_m1hgl_8\">type <\/span><span class=\"_fadeIn_m1hgl_8\">transformer<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">: <\/span><span class=\"_fadeIn_m1hgl_8\">Air-<\/span><span class=\"_fadeIn_m1hgl_8\">cooled, <\/span><span class=\"_fadeIn_m1hgl_8\">safe <\/span><span class=\"_fadeIn_m1hgl_8\">for <\/span><span class=\"_fadeIn_m1hgl_8\">indoor <\/span><span class=\"_fadeIn_m1hgl_8\">use.<\/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\">Oil-<\/span><span class=\"_fadeIn_m1hgl_8\">immersed <\/span><span class=\"_fadeIn_m1hgl_8\">transformer<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">: <\/span><span class=\"_fadeIn_m1hgl_8\">Uses <\/span><span class=\"_fadeIn_m1hgl_8\">mineral <\/span><span class=\"_fadeIn_m1hgl_8\">oil <\/span><span class=\"_fadeIn_m1hgl_8\">for <\/span><span class=\"_fadeIn_m1hgl_8\">cooling <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">insulation.<\/span><\/p>\n<\/li>\n<\/ul>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-306424674\" class=\"accordion-item\">\n\t\t<a id=\"accordion-306424674-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-306424674-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>20. What is the difference between single-phase and three-phase transformers?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-306424674-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-306424674-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\">Answer:<\/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\">Single-<\/span><span class=\"_fadeIn_m1hgl_8\">phase<\/span><\/strong><\/a><span class=\"_fadeIn_m1hgl_8\">: <\/span><span class=\"_fadeIn_m1hgl_8\">Used <\/span><span class=\"_fadeIn_m1hgl_8\">in <\/span><span class=\"_fadeIn_m1hgl_8\">residential <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">light <\/span><span class=\"_fadeIn_m1hgl_8\">commercial <\/span><span class=\"_fadeIn_m1hgl_8\">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\">Three-<\/span><span class=\"_fadeIn_m1hgl_8\">phase<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">: <\/span><span class=\"_fadeIn_m1hgl_8\">Used <\/span><span class=\"_fadeIn_m1hgl_8\">in <\/span><span class=\"_fadeIn_m1hgl_8\">industrial <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">high-<\/span><span class=\"_fadeIn_m1hgl_8\">power <\/span><span class=\"_fadeIn_m1hgl_8\">distribution <\/span><span class=\"_fadeIn_m1hgl_8\">systems. <\/span><span class=\"_fadeIn_m1hgl_8\">It's <\/span><span class=\"_fadeIn_m1hgl_8\">more <\/span><span class=\"_fadeIn_m1hgl_8\">efficient <\/span><span class=\"_fadeIn_m1hgl_8\">for <\/span><span class=\"_fadeIn_m1hgl_8\">large <\/span><span class=\"_fadeIn_m1hgl_8\">loads.<\/span><\/p>\n<\/li>\n<\/ul>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-1817053056\" class=\"accordion-item\">\n\t\t<a id=\"accordion-1817053056-label\" class=\"accordion-title plain\" href=\"#accordion-item-21.-what-are-typical-transformer-efficiency-values?\" aria-expanded=\"false\" aria-controls=\"accordion-1817053056-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>21. What are typical transformer efficiency values?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-1817053056-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-1817053056-label\" >\n\t\t\t\n<p><strong data-start=\"1374\" data-end=\"1385\"><span class=\"_fadeIn_m1hgl_8\">Answer:<\/span><\/strong><br data-start=\"1385\" data-end=\"1388\" \/><span class=\"_fadeIn_m1hgl_8\">Most <\/span><span class=\"_fadeIn_m1hgl_8\">power <\/span><span class=\"_fadeIn_m1hgl_8\">transformers <\/span><span class=\"_fadeIn_m1hgl_8\">have <\/span><span class=\"_fadeIn_m1hgl_8\">efficiency <\/span><span class=\"_fadeIn_m1hgl_8\">between <\/span><strong data-start=\"1436\" data-end=\"1453\"><span class=\"_fadeIn_m1hgl_8\">95% <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">99.5%<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">, <\/span><span class=\"_fadeIn_m1hgl_8\">depending <\/span><span class=\"_fadeIn_m1hgl_8\">on <\/span><span class=\"_fadeIn_m1hgl_8\">size <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">design. <\/span><span class=\"_fadeIn_m1hgl_8\">Larger <\/span><span class=\"_fadeIn_m1hgl_8\">units <\/span><span class=\"_fadeIn_m1hgl_8\">are <\/span><span class=\"_fadeIn_m1hgl_8\">generally <\/span><span class=\"_fadeIn_m1hgl_8\">more <\/span><span class=\"_fadeIn_m1hgl_8\">efficient.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-1981475182\" class=\"accordion-item\">\n\t\t<a id=\"accordion-1981475182-label\" class=\"accordion-title plain\" href=\"#accordion-item-22.-what-is-meant-by-impedance-in-a-transformer?\" aria-expanded=\"false\" aria-controls=\"accordion-1981475182-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>22. What is meant by impedance in a transformer?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-1981475182-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-1981475182-label\" >\n\t\t\t\n<p><strong data-start=\"1593\" data-end=\"1604\"><span class=\"_fadeIn_m1hgl_8\">Answer:<\/span><\/strong><br data-start=\"1604\" data-end=\"1607\" \/><span class=\"_fadeIn_m1hgl_8\">Impedance <\/span><span class=\"_fadeIn_m1hgl_8\">is <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">opposition <\/span><span class=\"_fadeIn_m1hgl_8\">to <\/span><span class=\"_fadeIn_m1hgl_8\">current <\/span><span class=\"_fadeIn_m1hgl_8\">flow <\/span><span class=\"_fadeIn_m1hgl_8\">within <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">transformer <\/span><span class=\"_fadeIn_m1hgl_8\">due <\/span><span class=\"_fadeIn_m1hgl_8\">to <\/span><span class=\"_fadeIn_m1hgl_8\">both <\/span><span class=\"_fadeIn_m1hgl_8\">resistance <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">reactance. <\/span><span class=\"_fadeIn_m1hgl_8\">It's <\/span><span class=\"_fadeIn_m1hgl_8\">expressed <\/span><span class=\"_fadeIn_m1hgl_8\">as <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><span class=\"_fadeIn_m1hgl_8\">percentage <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">affects <\/span><span class=\"_fadeIn_m1hgl_8\">voltage <\/span><span class=\"_fadeIn_m1hgl_8\">regulation <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">fault <\/span><span class=\"_fadeIn_m1hgl_8\">current.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-613517326\" class=\"accordion-item\">\n\t\t<a id=\"accordion-613517326-label\" class=\"accordion-title plain\" href=\"#accordion-item-23.-what-is-a-transformer&#039;s-rated-capacity?\" aria-expanded=\"false\" aria-controls=\"accordion-613517326-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>23. What is a transformer's rated capacity?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-613517326-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-613517326-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\">Answer:<\/span><\/strong><br data-start=\"1864\" data-end=\"1867\" \/><span class=\"_fadeIn_m1hgl_8\">Measured <\/span><span class=\"_fadeIn_m1hgl_8\">in <\/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\">amperes), <\/span><span class=\"_fadeIn_m1hgl_8\">it <\/span><span class=\"_fadeIn_m1hgl_8\">indicates <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">maximum <\/span><span class=\"_fadeIn_m1hgl_8\">load <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><span class=\"_fadeIn_m1hgl_8\">transformer <\/span><span class=\"_fadeIn_m1hgl_8\">can <\/span><span class=\"_fadeIn_m1hgl_8\">handle <\/span><span class=\"_fadeIn_m1hgl_8\">without <\/span><span class=\"_fadeIn_m1hgl_8\">overheating.<\/span><br data-start=\"1982\" data-end=\"1985\" \/><strong data-start=\"1985\" data-end=\"1997\"><span class=\"_fadeIn_m1hgl_8\">Example:<\/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\">transformer <\/span><\/a><span class=\"_fadeIn_m1hgl_8\">can <\/span><span class=\"_fadeIn_m1hgl_8\">support <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><span class=\"_fadeIn_m1hgl_8\">load <\/span><span class=\"_fadeIn_m1hgl_8\">of <\/span><span class=\"_fadeIn_m1hgl_8\">up <\/span><span class=\"_fadeIn_m1hgl_8\">to <\/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-1747598716\" class=\"accordion-item\">\n\t\t<a id=\"accordion-1747598716-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-1747598716-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>24. What is load loss and no-load loss in transformers?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-1747598716-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-1747598716-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\">Answer:<\/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\">Load <\/span><span class=\"_fadeIn_m1hgl_8\">Loss (<\/span><span class=\"_fadeIn_m1hgl_8\">Copper <\/span><span class=\"_fadeIn_m1hgl_8\">Loss)<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">: <\/span><span class=\"_fadeIn_m1hgl_8\">Happens <\/span><span class=\"_fadeIn_m1hgl_8\">when <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">transformer <\/span><span class=\"_fadeIn_m1hgl_8\">delivers <\/span><span class=\"_fadeIn_m1hgl_8\">power <\/span><span class=\"_fadeIn_m1hgl_8\">to <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><span class=\"_fadeIn_m1hgl_8\">load, <\/span><span class=\"_fadeIn_m1hgl_8\">due <\/span><span class=\"_fadeIn_m1hgl_8\">to <\/span><span class=\"_fadeIn_m1hgl_8\">winding <\/span><span class=\"_fadeIn_m1hgl_8\">resistance.<\/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\">No-<\/span><span class=\"_fadeIn_m1hgl_8\">Load <\/span><span class=\"_fadeIn_m1hgl_8\">Loss (<\/span><span class=\"_fadeIn_m1hgl_8\">Core <\/span><span class=\"_fadeIn_m1hgl_8\">Loss)<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">: <\/span><span class=\"_fadeIn_m1hgl_8\">Occurs <\/span><span class=\"_fadeIn_m1hgl_8\">even <\/span><span class=\"_fadeIn_m1hgl_8\">without <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><span class=\"_fadeIn_m1hgl_8\">load, <\/span><span class=\"_fadeIn_m1hgl_8\">caused <\/span><span class=\"_fadeIn_m1hgl_8\">by <\/span><span class=\"_fadeIn_m1hgl_8\">magnetic <\/span><span class=\"_fadeIn_m1hgl_8\">excitation <\/span><span class=\"_fadeIn_m1hgl_8\">of <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">core.<\/span><\/p>\n<\/li>\n<\/ul>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-3963967493\" class=\"accordion-item\">\n\t\t<a id=\"accordion-3963967493-label\" class=\"accordion-title plain\" href=\"#accordion-item-25.-what-are-bushings-on-a-transformer?\" aria-expanded=\"false\" aria-controls=\"accordion-3963967493-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>25. What are bushings on a transformer?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-3963967493-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-3963967493-label\" >\n\t\t\t\n<p><strong data-start=\"2418\" data-end=\"2429\"><span class=\"_fadeIn_m1hgl_8\">Answer:<\/span><\/strong><br data-start=\"2429\" data-end=\"2432\" \/><span class=\"_fadeIn_m1hgl_8\">Bushings <\/span><span class=\"_fadeIn_m1hgl_8\">are <\/span><span class=\"_fadeIn_m1hgl_8\">insulated <\/span><span class=\"_fadeIn_m1hgl_8\">terminals <\/span><span class=\"_fadeIn_m1hgl_8\">that <\/span><span class=\"_fadeIn_m1hgl_8\">allow <\/span><span class=\"_fadeIn_m1hgl_8\">electrical <\/span><span class=\"_fadeIn_m1hgl_8\">conductors <\/span><span class=\"_fadeIn_m1hgl_8\">to <\/span><span class=\"_fadeIn_m1hgl_8\">pass <\/span><span class=\"_fadeIn_m1hgl_8\">through <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">transformer <\/span><span class=\"_fadeIn_m1hgl_8\">tank <\/span><span class=\"_fadeIn_m1hgl_8\">while <\/span><span class=\"_fadeIn_m1hgl_8\">maintaining <\/span><span class=\"_fadeIn_m1hgl_8\">electrical <\/span><span class=\"_fadeIn_m1hgl_8\">insulation.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-2798735900\" class=\"accordion-item\">\n\t\t<a id=\"accordion-2798735900-label\" class=\"accordion-title plain\" href=\"#accordion-item-26.-what-is-vector-group-in-a-transformer?\" aria-expanded=\"false\" aria-controls=\"accordion-2798735900-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>26. What is vector group in a transformer?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-2798735900-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-2798735900-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\">Answer:<\/span><\/strong><br data-start=\"2646\" data-end=\"2649\" \/><span class=\"_fadeIn_m1hgl_8\">It <\/span><span class=\"_fadeIn_m1hgl_8\">defines <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">phase <\/span><span class=\"_fadeIn_m1hgl_8\">difference <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">configuration <\/span><span class=\"_fadeIn_m1hgl_8\">of <\/span><span class=\"_fadeIn_m1hgl_8\">windings <\/span><span class=\"_fadeIn_m1hgl_8\">in <\/span><span class=\"_fadeIn_m1hgl_8\">three-<\/span><span class=\"_fadeIn_m1hgl_8\">phase <\/span><span class=\"_fadeIn_m1hgl_8\">transformers (<\/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\">It's <\/span><span class=\"_fadeIn_m1hgl_8\">important <\/span><span class=\"_fadeIn_m1hgl_8\">for <\/span><span class=\"_fadeIn_m1hgl_8\">paralleling <\/span><span class=\"_fadeIn_m1hgl_8\">transformers <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">system <\/span><span class=\"_fadeIn_m1hgl_8\">compatibility.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-186779995\" class=\"accordion-item\">\n\t\t<a id=\"accordion-186779995-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-186779995-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>27. What is the role of the conservator tank in oil transformers?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-186779995-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-186779995-label\" >\n\t\t\t\n<p><strong data-start=\"2912\" data-end=\"2923\"><span class=\"_fadeIn_m1hgl_8\">Answer:<\/span><\/strong><br data-start=\"2923\" data-end=\"2926\" \/><span class=\"_fadeIn_m1hgl_8\">It <\/span><span class=\"_fadeIn_m1hgl_8\">accommodates <\/span><span class=\"_fadeIn_m1hgl_8\">expansion <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">contraction <\/span><span class=\"_fadeIn_m1hgl_8\">of <\/span><span class=\"_fadeIn_m1hgl_8\">transformer <\/span><span class=\"_fadeIn_m1hgl_8\">oil <\/span><span class=\"_fadeIn_m1hgl_8\">as <\/span><span class=\"_fadeIn_m1hgl_8\">temperature <\/span><span class=\"_fadeIn_m1hgl_8\">changes, <\/span><span class=\"_fadeIn_m1hgl_8\">helping <\/span><span class=\"_fadeIn_m1hgl_8\">to <\/span><span class=\"_fadeIn_m1hgl_8\">maintain <\/span><span class=\"_fadeIn_m1hgl_8\">proper <\/span><span class=\"_fadeIn_m1hgl_8\">oil <\/span><span class=\"_fadeIn_m1hgl_8\">level <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">pressure.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-1478569763\" class=\"accordion-item\">\n\t\t<a id=\"accordion-1478569763-label\" class=\"accordion-title plain\" href=\"#accordion-item-28.-what-maintenance-is-needed-for-transformers?\" aria-expanded=\"false\" aria-controls=\"accordion-1478569763-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>28. What maintenance is needed for transformers?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-1478569763-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-1478569763-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\">Answer:<\/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\">Regular <\/span><span class=\"_fadeIn_m1hgl_8\">oil <\/span><span class=\"_fadeIn_m1hgl_8\">testing (<\/span><span class=\"_fadeIn_m1hgl_8\">for <\/span><span class=\"_fadeIn_m1hgl_8\">oil-<\/span><span class=\"_fadeIn_m1hgl_8\">immersed <\/span><span class=\"_fadeIn_m1hgl_8\">units)<\/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\">Checking <\/span><span class=\"_fadeIn_m1hgl_8\">insulation <\/span><span class=\"_fadeIn_m1hgl_8\">resistance<\/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\">Thermographic <\/span><span class=\"_fadeIn_m1hgl_8\">scanning<\/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\">Physical <\/span><span class=\"_fadeIn_m1hgl_8\">inspection <\/span><span class=\"_fadeIn_m1hgl_8\">for <\/span><span class=\"_fadeIn_m1hgl_8\">leaks <\/span><span class=\"_fadeIn_m1hgl_8\">or <\/span><span class=\"_fadeIn_m1hgl_8\">overheating<\/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\">Cleaning <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">tightening <\/span><span class=\"_fadeIn_m1hgl_8\">terminals<\/span><\/p>\n<\/li>\n<\/ul>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-4171901492\" class=\"accordion-item\">\n\t\t<a id=\"accordion-4171901492-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-4171901492-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>29. How do I calculate the full load current of a transformer?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-4171901492-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-4171901492-label\" >\n\t\t\t\n<p><strong>Answer:<\/strong><\/p>\n<div class=\"row\"  id=\"row-764056416\">\n\n\t<div id=\"col-1215669436\" 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-134193506\" 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_39854199\">\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=\"Transformer full load current calculation formula with example\" 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_39854199 {\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-866076775\" 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-706187147\" class=\"accordion-item\">\n\t\t<a id=\"accordion-706187147-label\" class=\"accordion-title plain\" href=\"#accordion-item-30.-can-transformers-work-with-dc-power?\" aria-expanded=\"false\" aria-controls=\"accordion-706187147-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>30. Can transformers work with DC power?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-706187147-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-706187147-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\">Answer:<\/span><\/strong><br data-start=\"3671\" data-end=\"3674\" \/><span class=\"_fadeIn_m1hgl_8\">No. <\/span><span class=\"_fadeIn_m1hgl_8\">Transformers <\/span><span class=\"_fadeIn_m1hgl_8\">only <\/span><span class=\"_fadeIn_m1hgl_8\">work <\/span><span class=\"_fadeIn_m1hgl_8\">with <\/span><strong data-start=\"3706\" data-end=\"3734\"><span class=\"_fadeIn_m1hgl_8\">AC (<\/span><span class=\"_fadeIn_m1hgl_8\">Alternating <\/span><span class=\"_fadeIn_m1hgl_8\">Current)<\/span><\/strong> <span class=\"_fadeIn_m1hgl_8\">because <\/span><span class=\"_fadeIn_m1hgl_8\">they <\/span><span class=\"_fadeIn_m1hgl_8\">rely <\/span><span class=\"_fadeIn_m1hgl_8\">on <\/span><span class=\"_fadeIn_m1hgl_8\">changing <\/span><span class=\"_fadeIn_m1hgl_8\">magnetic <\/span><span class=\"_fadeIn_m1hgl_8\">fields <\/span><span class=\"_fadeIn_m1hgl_8\">to <\/span><span class=\"_fadeIn_m1hgl_8\">induce <\/span><span class=\"_fadeIn_m1hgl_8\">voltage.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-3243217768\" class=\"accordion-item\">\n\t\t<a id=\"accordion-3243217768-label\" class=\"accordion-title plain\" href=\"#accordion-item-31.-what-is-the-life-expectancy-of-a-transformer?\" aria-expanded=\"false\" aria-controls=\"accordion-3243217768-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>31. What is the life expectancy of a transformer?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-3243217768-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-3243217768-label\" >\n\t\t\t\n<p><strong data-start=\"3866\" data-end=\"3877\"><span class=\"_fadeIn_m1hgl_8\">Answer:<\/span><\/strong><br data-start=\"3877\" data-end=\"3880\" \/><span class=\"_fadeIn_m1hgl_8\">A <\/span><span class=\"_fadeIn_m1hgl_8\">well-<\/span><span class=\"_fadeIn_m1hgl_8\">maintained <\/span><span class=\"_fadeIn_m1hgl_8\">transformer <\/span><span class=\"_fadeIn_m1hgl_8\">can <\/span><span class=\"_fadeIn_m1hgl_8\">last <\/span><strong data-start=\"3919\" data-end=\"3934\"><span class=\"_fadeIn_m1hgl_8\">25\u2013<\/span><span class=\"_fadeIn_m1hgl_8\">40 <\/span><span class=\"_fadeIn_m1hgl_8\">years<\/span><\/strong> <span class=\"_fadeIn_m1hgl_8\">or <\/span><span class=\"_fadeIn_m1hgl_8\">more, <\/span><span class=\"_fadeIn_m1hgl_8\">depending <\/span><span class=\"_fadeIn_m1hgl_8\">on <\/span><span class=\"_fadeIn_m1hgl_8\">usage, <\/span><span class=\"_fadeIn_m1hgl_8\">load, <\/span><span class=\"_fadeIn_m1hgl_8\">maintenance, <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">environment.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-3186727441\" class=\"accordion-item\">\n\t\t<a id=\"accordion-3186727441-label\" class=\"accordion-title plain\" href=\"#accordion-item-32.-what-causes-transformer-overheating?\" aria-expanded=\"false\" aria-controls=\"accordion-3186727441-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>32. What causes transformer overheating?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-3186727441-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-3186727441-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\">Answer:<\/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\">Overloading<\/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\">Poor <\/span><span class=\"_fadeIn_m1hgl_8\">ventilation <\/span><span class=\"_fadeIn_m1hgl_8\">or <\/span><span class=\"_fadeIn_m1hgl_8\">cooling<\/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\">Harmonics<\/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\">Faulty <\/span><span class=\"_fadeIn_m1hgl_8\">connections<\/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\">Deteriorated <\/span><span class=\"_fadeIn_m1hgl_8\">insulation<\/span><\/p>\n<\/li>\n<\/ul>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-2147282394\" class=\"accordion-item\">\n\t\t<a id=\"accordion-2147282394-label\" class=\"accordion-title plain\" href=\"#accordion-item-33.-what-is-a-transformer-tap-changer?\" aria-expanded=\"false\" aria-controls=\"accordion-2147282394-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>33. What is a transformer tap changer?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-2147282394-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-2147282394-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\">Answer:<\/span><\/strong><br data-start=\"4248\" data-end=\"4251\" \/><span class=\"_fadeIn_m1hgl_8\">It <\/span><span class=\"_fadeIn_m1hgl_8\">adjusts <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">number <\/span><span class=\"_fadeIn_m1hgl_8\">of <\/span><span class=\"_fadeIn_m1hgl_8\">active <\/span><span class=\"_fadeIn_m1hgl_8\">coil <\/span><span class=\"_fadeIn_m1hgl_8\">turns <\/span><span class=\"_fadeIn_m1hgl_8\">to <\/span><span class=\"_fadeIn_m1hgl_8\">regulate <\/span><span class=\"_fadeIn_m1hgl_8\">output <\/span><span class=\"_fadeIn_m1hgl_8\">voltage.<\/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\">load <\/span><span class=\"_fadeIn_m1hgl_8\">tap <\/span><span class=\"_fadeIn_m1hgl_8\">changer<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">: <\/span><span class=\"_fadeIn_m1hgl_8\">Requires <\/span><span class=\"_fadeIn_m1hgl_8\">de-<\/span><span class=\"_fadeIn_m1hgl_8\">energization.<\/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\">On-<\/span><span class=\"_fadeIn_m1hgl_8\">load <\/span><span class=\"_fadeIn_m1hgl_8\">tap <\/span><span class=\"_fadeIn_m1hgl_8\">changer (<\/span><span class=\"_fadeIn_m1hgl_8\">OLTC)<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\">: <\/span><span class=\"_fadeIn_m1hgl_8\">Can <\/span><span class=\"_fadeIn_m1hgl_8\">adjust <\/span><span class=\"_fadeIn_m1hgl_8\">under <\/span><span class=\"_fadeIn_m1hgl_8\">load <\/span><span class=\"_fadeIn_m1hgl_8\">without <\/span><span class=\"_fadeIn_m1hgl_8\">power <\/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-1264011990\" class=\"accordion-item\">\n\t\t<a id=\"accordion-1264011990-label\" class=\"accordion-title plain\" href=\"#accordion-item-34.-what-are-harmonics-in-transformers?\" aria-expanded=\"false\" aria-controls=\"accordion-1264011990-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>34. What are harmonics in transformers?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-1264011990-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-1264011990-label\" >\n\t\t\t\n<p><strong data-start=\"4520\" data-end=\"4531\"><span class=\"_fadeIn_m1hgl_8\">Answer:<\/span><\/strong><br data-start=\"4531\" data-end=\"4534\" \/><span class=\"_fadeIn_m1hgl_8\">Harmonics <\/span><span class=\"_fadeIn_m1hgl_8\">are <\/span><span class=\"_fadeIn_m1hgl_8\">voltage\/<\/span><span class=\"_fadeIn_m1hgl_8\">current <\/span><span class=\"_fadeIn_m1hgl_8\">waveforms <\/span><span class=\"_fadeIn_m1hgl_8\">at <\/span><span class=\"_fadeIn_m1hgl_8\">multiples <\/span><span class=\"_fadeIn_m1hgl_8\">of <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">fundamental <\/span><span class=\"_fadeIn_m1hgl_8\">frequency. <\/span><span class=\"_fadeIn_m1hgl_8\">They <\/span><span class=\"_fadeIn_m1hgl_8\">can <\/span><span class=\"_fadeIn_m1hgl_8\">cause <\/span><span class=\"_fadeIn_m1hgl_8\">heating, <\/span><span class=\"_fadeIn_m1hgl_8\">vibration, <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">noise <\/span><span class=\"_fadeIn_m1hgl_8\">in <\/span><span class=\"_fadeIn_m1hgl_8\">transformers.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-1730889699\" class=\"accordion-item\">\n\t\t<a id=\"accordion-1730889699-label\" class=\"accordion-title plain\" href=\"#accordion-item-35.-can-i-connect-two-transformers-in-parallel?\" aria-expanded=\"false\" aria-controls=\"accordion-1730889699-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>35. Can I connect two transformers in parallel?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-1730889699-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-1730889699-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\">Answer:<\/span><\/strong><br data-start=\"4754\" data-end=\"4757\" \/><span class=\"_fadeIn_m1hgl_8\">Yes, <\/span><span class=\"_fadeIn_m1hgl_8\">but <\/span><span class=\"_fadeIn_m1hgl_8\">conditions <\/span><span class=\"_fadeIn_m1hgl_8\">must <\/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\">Same <\/span><span class=\"_fadeIn_m1hgl_8\">voltage <\/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\">Same <\/span><span class=\"_fadeIn_m1hgl_8\">impedance<\/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\">Same <\/span><span class=\"_fadeIn_m1hgl_8\">polarity<\/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\">Same <\/span><span class=\"_fadeIn_m1hgl_8\">phase <\/span><span class=\"_fadeIn_m1hgl_8\">angle <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">vector <\/span><span class=\"_fadeIn_m1hgl_8\">group<\/span><\/p>\n<\/li>\n<\/ul>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-2734282968\" class=\"accordion-item\">\n\t\t<a id=\"accordion-2734282968-label\" class=\"accordion-title plain\" href=\"#accordion-item-36.-what-are-common-applications-of-transformers?\" aria-expanded=\"false\" aria-controls=\"accordion-2734282968-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>36. What are common applications of transformers?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-2734282968-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-2734282968-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\">Answer:<\/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\">Power <\/span><span class=\"_fadeIn_m1hgl_8\">distribution (<\/span><span class=\"_fadeIn_m1hgl_8\">utility <\/span><span class=\"_fadeIn_m1hgl_8\">transformers)<\/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\">Industrial <\/span><span class=\"_fadeIn_m1hgl_8\">machinery<\/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\">Renewable <\/span><span class=\"_fadeIn_m1hgl_8\">energy <\/span><span class=\"_fadeIn_m1hgl_8\">systems (<\/span><span class=\"_fadeIn_m1hgl_8\">solar, <\/span><span class=\"_fadeIn_m1hgl_8\">wind)<\/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\">Medical <\/span><span class=\"_fadeIn_m1hgl_8\">equipment (<\/span><span class=\"_fadeIn_m1hgl_8\">isolation <\/span><span class=\"_fadeIn_m1hgl_8\">transformers)<\/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\">HVAC <\/span><span class=\"_fadeIn_m1hgl_8\">systems<\/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\">and <\/span><span class=\"_fadeIn_m1hgl_8\">oil <\/span><span class=\"_fadeIn_m1hgl_8\">platforms<\/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\">buildings<\/span><\/p>\n<\/li>\n<\/ul>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-4005757155\" class=\"accordion-item\">\n\t\t<a id=\"accordion-4005757155-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-4005757155-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>37. What safety measures should be taken when working with transformers?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-4005757155-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-4005757155-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\">Answer:<\/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\">Use <\/span><span class=\"_fadeIn_m1hgl_8\">appropriate <\/span><strong data-start=\"5316\" data-end=\"5323\"><span class=\"_fadeIn_m1hgl_8\">PPE<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\"> (<\/span><span class=\"_fadeIn_m1hgl_8\">Personal <\/span><span class=\"_fadeIn_m1hgl_8\">Protective <\/span><span class=\"_fadeIn_m1hgl_8\">Equipment)<\/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\">energize<\/span><\/strong> <span class=\"_fadeIn_m1hgl_8\">before <\/span><span class=\"_fadeIn_m1hgl_8\">maintenance<\/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\">Follow <\/span><strong data-start=\"5406\" data-end=\"5419\"><span class=\"_fadeIn_m1hgl_8\">grounding<\/span><\/strong> <span class=\"_fadeIn_m1hgl_8\">protocols<\/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\">clearance <\/span><span class=\"_fadeIn_m1hgl_8\">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\">Check <\/span><span class=\"_fadeIn_m1hgl_8\">for <\/span><strong data-start=\"5480\" data-end=\"5493\"><span class=\"_fadeIn_m1hgl_8\">oil <\/span><span class=\"_fadeIn_m1hgl_8\">leaks<\/span><\/strong> <span class=\"_fadeIn_m1hgl_8\">and <\/span><strong data-start=\"5498\" data-end=\"5510\"><span class=\"_fadeIn_m1hgl_8\">hotspots<\/span><\/strong><\/p>\n<\/li>\n<\/ul>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-705952619\" class=\"accordion-item\">\n\t\t<a id=\"accordion-705952619-label\" class=\"accordion-title plain\" href=\"#accordion-item-38.-what-certifications-should-a-high-quality-transformer-have?\" aria-expanded=\"false\" aria-controls=\"accordion-705952619-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>38. What certifications should a high-quality transformer have?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-705952619-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-705952619-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\">Answer:<\/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\">North <\/span><span class=\"_fadeIn_m1hgl_8\">America)<\/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\">Russia\/<\/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\">reports<\/span><\/strong><span class=\"_fadeIn_m1hgl_8\"> (<\/span><span class=\"_fadeIn_m1hgl_8\">short-<\/span><span class=\"_fadeIn_m1hgl_8\">circuit, <\/span><span class=\"_fadeIn_m1hgl_8\">temperature <\/span><span class=\"_fadeIn_m1hgl_8\">rise, <\/span><span class=\"_fadeIn_m1hgl_8\">lightning <\/span><span class=\"_fadeIn_m1hgl_8\">impulse)<\/span><\/p>\n<\/li>\n<\/ul>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-2415731037\" class=\"accordion-item\">\n\t\t<a id=\"accordion-2415731037-label\" class=\"accordion-title plain\" href=\"#accordion-item-39.-what-is-the-purpose-of-grounding-a-transformer?\" aria-expanded=\"false\" aria-controls=\"accordion-2415731037-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>39. What is the purpose of grounding a transformer?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-2415731037-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-2415731037-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\">Answer:<\/span><\/strong><br data-start=\"5867\" data-end=\"5870\" \/><span class=\"_fadeIn_m1hgl_8\">Grounding <\/span><span class=\"_fadeIn_m1hgl_8\">provides <\/span><span class=\"_fadeIn_m1hgl_8\">a <\/span><span class=\"_fadeIn_m1hgl_8\">path <\/span><span class=\"_fadeIn_m1hgl_8\">for <\/span><span class=\"_fadeIn_m1hgl_8\">fault <\/span><span class=\"_fadeIn_m1hgl_8\">currents <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">enhances <\/span><span class=\"_fadeIn_m1hgl_8\">system <\/span><span class=\"_fadeIn_m1hgl_8\">safety. <\/span><span class=\"_fadeIn_m1hgl_8\">It <\/span><span class=\"_fadeIn_m1hgl_8\">also <\/span><span class=\"_fadeIn_m1hgl_8\">prevents <\/span><span class=\"_fadeIn_m1hgl_8\">overvoltages <\/span><span class=\"_fadeIn_m1hgl_8\">caused <\/span><span class=\"_fadeIn_m1hgl_8\">by <\/span><span class=\"_fadeIn_m1hgl_8\">lightning <\/span><span class=\"_fadeIn_m1hgl_8\">or <\/span><span class=\"_fadeIn_m1hgl_8\">switching <\/span><span class=\"_fadeIn_m1hgl_8\">surges.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-477916738\" class=\"accordion-item\">\n\t\t<a id=\"accordion-477916738-label\" class=\"accordion-title plain\" href=\"#accordion-item-40.-why-are-transformers-rated-in-kva,-not-kw?\" aria-expanded=\"false\" aria-controls=\"accordion-477916738-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Toggle\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>40. Why are transformers rated in kVA, not kW?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-477916738-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-477916738-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\">Answer:<\/span><\/strong><br data-start=\"6088\" data-end=\"6091\" \/><span class=\"_fadeIn_m1hgl_8\">Because <\/span><span class=\"_fadeIn_m1hgl_8\">transformers <\/span><span class=\"_fadeIn_m1hgl_8\">supply <\/span><span class=\"_fadeIn_m1hgl_8\">both <\/span><span class=\"_fadeIn_m1hgl_8\">active (<\/span><span class=\"_fadeIn_m1hgl_8\">kW) <\/span><span class=\"_fadeIn_m1hgl_8\">and <\/span><span class=\"_fadeIn_m1hgl_8\">reactive (<\/span><span class=\"_fadeIn_m1hgl_8\">kVAR) <\/span><span class=\"_fadeIn_m1hgl_8\">power. <\/span><span class=\"_fadeIn_m1hgl_8\">They <\/span><span class=\"_fadeIn_m1hgl_8\">are <\/span><span class=\"_fadeIn_m1hgl_8\">not <\/span><span class=\"_fadeIn_m1hgl_8\">affected <\/span><span class=\"_fadeIn_m1hgl_8\">by <\/span><span class=\"_fadeIn_m1hgl_8\">the <\/span><span class=\"_fadeIn_m1hgl_8\">load <\/span><span class=\"_fadeIn_m1hgl_8\">power <\/span><span class=\"_fadeIn_m1hgl_8\">factor, <\/span><span class=\"_fadeIn_m1hgl_8\">so <\/span><span class=\"_fadeIn_m1hgl_8\">kVA <\/span><span class=\"_fadeIn_m1hgl_8\">reflects <\/span><span class=\"_fadeIn_m1hgl_8\">total <\/span><span class=\"_fadeIn_m1hgl_8\">capacity <\/span><span class=\"_fadeIn_m1hgl_8\">more <\/span><span class=\"_fadeIn_m1hgl_8\">accurately.<\/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 action=\"\/en_ca\/wp-json\/wp\/v2\/pages\/2085#wpcf7-f280-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Contact form\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/en_ca\/wp-json\/wp\/v2\/pages\/2085#wpcf7-f280-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"280\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.1\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f280-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<div class='custom_contact_style'>\n\t<div class=\"row row-small\">\n\t\t<div class=\"col medium-6 small-12 large-6\">\n\t\t\t<div class=\"col-inner\">\n\t\t\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Name*\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span>\n\t\t\t\t<\/p>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t<div class=\"col medium-6 small-12 large-6\">\n\t\t\t<div class=\"col-inner\">\n\t\t\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"E-mail*\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span>\n\t\t\t\t<\/p>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t<div class='cus_contact_form_bottom'>\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-phone\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"Phone\" value=\"\" type=\"text\" name=\"your-phone\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class='cus_contact_form_bottom'>\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-country\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"Country\" value=\"\" type=\"text\" name=\"your-country\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"10\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Your Message *\" name=\"your-message\"><\/textarea><\/span>\n\t<\/p>\n\t<div style=\"margin-bottom:10px;\">\n\t\t<p><span class=\"wpcf7-form-control-wrap kc_captcha cf7ic-toggle\" data-name=\"kc_captcha\"><span class=\"wpcf7-form-control wpcf7-radio\"><span class=\"captcha-image\" style=\"display: none;\"><span class=\"cf7ic_instructions\">Please prove you are human by selecting the<span> truck<\/span>.<\/span><label><input aria-label=\"1\" type=\"radio\" name=\"kc_captcha\" value=\"bot\" \/><svg 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