{"id":3421,"date":"2026-03-04T06:48:09","date_gmt":"2026-03-04T06:48:09","guid":{"rendered":"https:\/\/energypowertransformer.com\/?p=3421"},"modified":"2026-03-04T06:57:19","modified_gmt":"2026-03-04T06:57:19","slug":"33-11-kv-vs-11-0-4-kv-transformers-comparison-applications-cost-differences","status":"publish","type":"post","link":"https:\/\/energypowertransformer.com\/it\/33-11-kv-vs-11-0-4-kv-transformers-comparison-applications-cost-differences\/","title":{"rendered":"Trasformatori da 33\/11 kV a 11\/0,4 kV: Confronto, applicazioni e differenze di costo"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_78 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Indice dei contenuti<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Allinea la tabella dei contenuti\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/energypowertransformer.com\/it\/33-11-kv-vs-11-0-4-kv-transformers-comparison-applications-cost-differences\/#Introduction\" >Introduzione<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/energypowertransformer.com\/it\/33-11-kv-vs-11-0-4-kv-transformers-comparison-applications-cost-differences\/#What_is_a_3311_kV_Transformer\" >Che cos'\u00e8 un trasformatore da 33\/11 kV?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/energypowertransformer.com\/it\/33-11-kv-vs-11-0-4-kv-transformers-comparison-applications-cost-differences\/#What_is_an_1104_kV_Transformer\" >Che cos'\u00e8 un trasformatore da 11\/0,4 kV?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/energypowertransformer.com\/it\/33-11-kv-vs-11-0-4-kv-transformers-comparison-applications-cost-differences\/#Key_Differences_Between_3311_kV_and_1104_kV_Transformers\" >Principali differenze tra i trasformatori da 33\/11 kV e 11\/0,4 kV<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/energypowertransformer.com\/it\/33-11-kv-vs-11-0-4-kv-transformers-comparison-applications-cost-differences\/#Applications_by_Industry\" >Applicazioni per settore<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/energypowertransformer.com\/it\/33-11-kv-vs-11-0-4-kv-transformers-comparison-applications-cost-differences\/#3311_kV_Transformers\" >33\/11 kV Trasformatori:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/energypowertransformer.com\/it\/33-11-kv-vs-11-0-4-kv-transformers-comparison-applications-cost-differences\/#1104_kV_Transformers\" >11\/0,4 kV Trasformatori:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/energypowertransformer.com\/it\/33-11-kv-vs-11-0-4-kv-transformers-comparison-applications-cost-differences\/#Cost_Differences_and_Procurement_Considerations\" >Differenze di costo e considerazioni sull'acquisto<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/energypowertransformer.com\/it\/33-11-kv-vs-11-0-4-kv-transformers-comparison-applications-cost-differences\/#Factors_Affecting_3311_kV_Transformer_Cost\" >Fattori che influenzano il costo dei trasformatori 33\/11 kV:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/energypowertransformer.com\/it\/33-11-kv-vs-11-0-4-kv-transformers-comparison-applications-cost-differences\/#Factors_Affecting_1104_kV_Transformer_Cost\" >Fattori che influenzano il costo dei trasformatori 11\/0,4 kV:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/energypowertransformer.com\/it\/33-11-kv-vs-11-0-4-kv-transformers-comparison-applications-cost-differences\/#Choosing_the_Right_Transformer_for_Your_Project\" >Scegliere il trasformatore giusto per il progetto<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/energypowertransformer.com\/it\/33-11-kv-vs-11-0-4-kv-transformers-comparison-applications-cost-differences\/#Conclusion\" >Conclusione<\/a><\/li><\/ul><\/nav><\/div>\n<h2 data-start=\"591\" data-end=\"606\"><span class=\"ez-toc-section\" id=\"Introduction\"><\/span>Introduzione<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"608\" data-end=\"1003\">Nei moderni sistemi di distribuzione dell'energia, la scelta del trasformatore giusto \u00e8 fondamentale per l'efficienza, la sicurezza e l'economicit\u00e0. Due dei tipi di trasformatori pi\u00f9 comuni nelle reti a media e bassa tensione sono <strong data-start=\"819\" data-end=\"844\">Trasformatori 33\/11 kV<\/strong> e <strong data-start=\"849\" data-end=\"875\">Trasformatori 11\/0,4 kV<\/strong>. Anche se a prima vista possono sembrare simili, le loro applicazioni, le specifiche tecniche e i costi differiscono notevolmente.<\/p>\n<p data-start=\"1005\" data-end=\"1271\">Per gli acquirenti industriali, le utility e gli appaltatori EPC, la comprensione di queste differenze \u00e8 essenziale per ottimizzare sia il CAPEX che l'OPEX. In questa guida vi spieghiamo tutto quello che c'\u00e8 da sapere su questi trasformatori, aiutandovi a prendere decisioni di acquisto informate.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3423\" src=\"https:\/\/energypowertransformer.com\/wp-content\/uploads\/2026\/03\/110.4-kV-Oil-Immersed-Transformer-Compact-Low-Voltage-Power-Supply-for-Commercial-Buildings-Residential-Communities-and-Small-Scale-Industrial-Facilities.webp\" alt=\"Trasformatore compatto in olio da 11\/0,4 kV per la distribuzione di energia a bassa tensione, ideale per edifici commerciali, comunit\u00e0 residenziali e impianti industriali di piccole dimensioni, per garantire una fornitura di energia affidabile, efficiente e sicura - Energy Transformer.\" width=\"900\" height=\"500\" srcset=\"https:\/\/energypowertransformer.com\/wp-content\/uploads\/2026\/03\/110.4-kV-Oil-Immersed-Transformer-Compact-Low-Voltage-Power-Supply-for-Commercial-Buildings-Residential-Communities-and-Small-Scale-Industrial-Facilities.webp 900w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2026\/03\/110.4-kV-Oil-Immersed-Transformer-Compact-Low-Voltage-Power-Supply-for-Commercial-Buildings-Residential-Communities-and-Small-Scale-Industrial-Facilities-300x167.webp 300w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2026\/03\/110.4-kV-Oil-Immersed-Transformer-Compact-Low-Voltage-Power-Supply-for-Commercial-Buildings-Residential-Communities-and-Small-Scale-Industrial-Facilities-768x427.webp 768w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2026\/03\/110.4-kV-Oil-Immersed-Transformer-Compact-Low-Voltage-Power-Supply-for-Commercial-Buildings-Residential-Communities-and-Small-Scale-Industrial-Facilities-18x10.webp 18w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2026\/03\/110.4-kV-Oil-Immersed-Transformer-Compact-Low-Voltage-Power-Supply-for-Commercial-Buildings-Residential-Communities-and-Small-Scale-Industrial-Facilities-600x333.webp 600w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/p>\n<hr data-start=\"1273\" data-end=\"1276\" \/>\n<h2 data-start=\"1278\" data-end=\"1312\"><span class=\"ez-toc-section\" id=\"What_is_a_3311_kV_Transformer\"><\/span>Che cos'\u00e8 un trasformatore da 33\/11 kV?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"1314\" data-end=\"1588\"><strong data-start=\"1314\" data-end=\"1339\">Trasformatori 33\/11 kV<\/strong> sono tipicamente <strong data-start=\"1354\" data-end=\"1400\">trasformatori step-down di media tensione (MT)<\/strong> utilizzati nelle reti di distribuzione elettrica per ridurre la tensione da 33 kV a 11 kV. Essi fungono da collegamento cruciale tra le linee di trasmissione ad alta tensione e le sottostazioni di distribuzione locali.<\/p>\n<p data-start=\"1590\" data-end=\"1607\"><strong data-start=\"1590\" data-end=\"1607\">Caratteristiche principali:<\/strong><\/p>\n<ul data-start=\"1609\" data-end=\"1865\">\n<li data-start=\"1609\" data-end=\"1639\">\n<p data-start=\"1611\" data-end=\"1639\"><strong data-start=\"1611\" data-end=\"1631\">Tensione primaria:<\/strong> 33 kV<\/p>\n<\/li>\n<li data-start=\"1640\" data-end=\"1672\">\n<p data-start=\"1642\" data-end=\"1672\"><strong data-start=\"1642\" data-end=\"1664\">Tensione secondaria:<\/strong> 11 kV<\/p>\n<\/li>\n<li data-start=\"1673\" data-end=\"1724\">\n<p data-start=\"1675\" data-end=\"1724\"><strong data-start=\"1675\" data-end=\"1694\">Gamma di capacit\u00e0:<\/strong> In genere da 500 kVA a 10 MVA<\/p>\n<\/li>\n<li data-start=\"1725\" data-end=\"1783\">\n<p data-start=\"1727\" data-end=\"1783\"><strong data-start=\"1727\" data-end=\"1744\">Tipo di raffreddamento:<\/strong> A bagno d'olio (ONAN\/ONAF) o a secco<\/p>\n<\/li>\n<li data-start=\"1784\" data-end=\"1865\">\n<p data-start=\"1786\" data-end=\"1865\"><strong data-start=\"1786\" data-end=\"1803\">Applicazioni:<\/strong> Sottostazioni, complessi industriali, reti di distribuzione urbane<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1867\" data-end=\"1903\"><strong data-start=\"1867\" data-end=\"1903\">Vantaggi per le applicazioni B2B:<\/strong><\/p>\n<ol data-start=\"1905\" data-end=\"2136\">\n<li data-start=\"1905\" data-end=\"1977\">\n<p data-start=\"1908\" data-end=\"1977\"><strong data-start=\"1908\" data-end=\"1931\">Elevata capacit\u00e0 di carico:<\/strong> Gestisce in modo efficiente grandi carichi industriali.<\/p>\n<\/li>\n<li data-start=\"1978\" data-end=\"2061\">\n<p data-start=\"1981\" data-end=\"2061\"><strong data-start=\"1981\" data-end=\"2004\">Prestazioni stabili:<\/strong> Assicura una caduta di tensione minima nelle reti di distribuzione.<\/p>\n<\/li>\n<li data-start=\"2062\" data-end=\"2136\">\n<p data-start=\"2065\" data-end=\"2136\"><strong data-start=\"2065\" data-end=\"2087\">Lunga durata:<\/strong> Di solito sono progettati per 25-30 anni di funzionamento.<\/p>\n<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3424\" src=\"https:\/\/energypowertransformer.com\/wp-content\/uploads\/2026\/03\/3311-kV-Oil-Immersed-Transformer-High-Capacity-Medium-Voltage-Power-Distribution-Solution-for-Industrial-Substations-and-Utility-Grids.webp\" alt=\"Trasformatore in olio ad alta capacit\u00e0 da 33\/11 kV per la distribuzione di energia a media tensione, progettato per le sottostazioni industriali e le reti di distribuzione, per garantire una fornitura di energia efficiente, affidabile e sicura - Energy Transformer.\" width=\"900\" height=\"500\" srcset=\"https:\/\/energypowertransformer.com\/wp-content\/uploads\/2026\/03\/3311-kV-Oil-Immersed-Transformer-High-Capacity-Medium-Voltage-Power-Distribution-Solution-for-Industrial-Substations-and-Utility-Grids.webp 900w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2026\/03\/3311-kV-Oil-Immersed-Transformer-High-Capacity-Medium-Voltage-Power-Distribution-Solution-for-Industrial-Substations-and-Utility-Grids-300x167.webp 300w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2026\/03\/3311-kV-Oil-Immersed-Transformer-High-Capacity-Medium-Voltage-Power-Distribution-Solution-for-Industrial-Substations-and-Utility-Grids-768x427.webp 768w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2026\/03\/3311-kV-Oil-Immersed-Transformer-High-Capacity-Medium-Voltage-Power-Distribution-Solution-for-Industrial-Substations-and-Utility-Grids-18x10.webp 18w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2026\/03\/3311-kV-Oil-Immersed-Transformer-High-Capacity-Medium-Voltage-Power-Distribution-Solution-for-Industrial-Substations-and-Utility-Grids-600x333.webp 600w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/p>\n<hr data-start=\"2138\" data-end=\"2141\" \/>\n<h2 data-start=\"2143\" data-end=\"2179\"><span class=\"ez-toc-section\" id=\"What_is_an_1104_kV_Transformer\"><\/span>Che cos'\u00e8 un trasformatore da 11\/0,4 kV?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"2181\" data-end=\"2417\"><strong data-start=\"2181\" data-end=\"2207\">Trasformatori 11\/0,4 kV<\/strong> sono <strong data-start=\"2212\" data-end=\"2255\">trasformatori step-down a bassa tensione (LV)<\/strong>, utilizzato per ridurre la tensione di distribuzione a 11 kV a livelli di utilizzo standard, in genere 400\/230 V, adatti a carichi residenziali, commerciali e industriali di piccole dimensioni.<\/p>\n<p data-start=\"2419\" data-end=\"2436\"><strong data-start=\"2419\" data-end=\"2436\">Caratteristiche principali:<\/strong><\/p>\n<ul data-start=\"2438\" data-end=\"2694\">\n<li data-start=\"2438\" data-end=\"2468\">\n<p data-start=\"2440\" data-end=\"2468\"><strong data-start=\"2440\" data-end=\"2460\">Tensione primaria:<\/strong> 11 kV<\/p>\n<\/li>\n<li data-start=\"2469\" data-end=\"2514\">\n<p data-start=\"2471\" data-end=\"2514\"><strong data-start=\"2471\" data-end=\"2493\">Tensione secondaria:<\/strong> 0,4 kV (400\/230 V)<\/p>\n<\/li>\n<li data-start=\"2515\" data-end=\"2558\">\n<p data-start=\"2517\" data-end=\"2558\"><strong data-start=\"2517\" data-end=\"2536\">Gamma di capacit\u00e0:<\/strong> Da 50 kVA a 2.500 kVA<\/p>\n<\/li>\n<li data-start=\"2559\" data-end=\"2605\">\n<p data-start=\"2561\" data-end=\"2605\"><strong data-start=\"2561\" data-end=\"2578\">Tipo di raffreddamento:<\/strong> Immersi in olio o <a href=\"https:\/\/energypowertransformer.com\/Wholesale\/dry-type-transformers\/\">tipo a secco<\/a><\/p>\n<\/li>\n<li data-start=\"2606\" data-end=\"2694\">\n<p data-start=\"2608\" data-end=\"2694\"><strong data-start=\"2608\" data-end=\"2625\">Applicazioni:<\/strong> Impianti industriali, edifici commerciali, quartieri residenziali<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2696\" data-end=\"2732\"><strong data-start=\"2696\" data-end=\"2732\">Vantaggi per le applicazioni B2B:<\/strong><\/p>\n<ol data-start=\"2734\" data-end=\"2997\">\n<li data-start=\"2734\" data-end=\"2832\">\n<p data-start=\"2737\" data-end=\"2832\"><strong data-start=\"2737\" data-end=\"2758\">Usabilit\u00e0 diretta:<\/strong> Alimenta apparecchiature, macchinari e illuminazione senza necessit\u00e0 di ulteriori step-down.<\/p>\n<\/li>\n<li data-start=\"2833\" data-end=\"2918\">\n<p data-start=\"2836\" data-end=\"2918\"><strong data-start=\"2836\" data-end=\"2855\">Design compatto:<\/strong> Facile installazione in sottostazioni urbane o impianti industriali.<\/p>\n<\/li>\n<li data-start=\"2919\" data-end=\"2997\">\n<p data-start=\"2922\" data-end=\"2997\"><strong data-start=\"2922\" data-end=\"2942\">Efficienza dei costi:<\/strong> CAPEX inferiore rispetto ai trasformatori a tensione pi\u00f9 elevata.<\/p>\n<\/li>\n<\/ol>\n<hr data-start=\"2999\" data-end=\"3002\" \/>\n<h2 data-start=\"3004\" data-end=\"3066\"><span class=\"ez-toc-section\" id=\"Key_Differences_Between_3311_kV_and_1104_kV_Transformers\"><\/span>Principali differenze tra i trasformatori da 33\/11 kV e 11\/0,4 kV<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr style=\"height: 25.00pt;\">\n<th class=\"et3\" style=\"height: 25pt; width: 23.3918%;\" width=\"176\" height=\"33\">Caratteristica<\/th>\n<th class=\"et3\" style=\"width: 34.6979%;\" width=\"309\">Trasformatore 33\/11 kV<\/th>\n<th class=\"et3\" style=\"width: 41.9103%;\" width=\"435\">Trasformatore 11\/0,4 kV<\/th>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 23.3918%;\" width=\"176\" height=\"33\">Livello di tensione<\/td>\n<td class=\"et4\" style=\"width: 34.6979%;\" width=\"309\">Media tensione (33 \u2192 11 kV)<\/td>\n<td class=\"et4\" style=\"width: 41.9103%;\" width=\"435\">Bassa tensione (11 \u2192 0,4 kV)<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 23.3918%;\" width=\"176\" height=\"33\">Applicazione primaria<\/td>\n<td class=\"et4\" style=\"width: 34.6979%;\" width=\"309\">Sottostazione e distribuzione di rete<\/td>\n<td class=\"et4\" style=\"width: 41.9103%;\" width=\"435\">Distribuzione locale dell'energia<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 23.3918%;\" width=\"176\" height=\"33\">Capacit\u00e0<\/td>\n<td class=\"et4\" style=\"width: 34.6979%;\" width=\"309\">500 kVA - 10 MVA<\/td>\n<td class=\"et4\" style=\"width: 41.9103%;\" width=\"435\">50 kVA - 2.500 kVA<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 23.3918%;\" width=\"176\" height=\"33\">Costo<\/td>\n<td class=\"et4\" style=\"width: 34.6979%;\" width=\"309\">Maggiore per unit\u00e0 a causa delle dimensioni e del rating<\/td>\n<td class=\"et4\" style=\"width: 41.9103%;\" width=\"435\">Pi\u00f9 basso per unit\u00e0, pi\u00f9 unit\u00e0 necessarie in reti di grandi dimensioni<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 23.3918%;\" width=\"176\" height=\"33\">Sito di installazione<\/td>\n<td class=\"et4\" style=\"width: 34.6979%;\" width=\"309\">Sottostazioni esterne\/interne<\/td>\n<td class=\"et4\" style=\"width: 41.9103%;\" width=\"435\">Vicino ai punti di consumo finale<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 23.3918%;\" width=\"176\" height=\"33\">Manutenzione<\/td>\n<td class=\"et4\" style=\"width: 34.6979%;\" width=\"309\">Media complessit\u00e0<\/td>\n<td class=\"et4\" style=\"width: 41.9103%;\" width=\"435\">Bassa complessit\u00e0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<blockquote data-start=\"3662\" data-end=\"3882\">\n<p data-start=\"3664\" data-end=\"3882\">\ud83d\udd39 <strong data-start=\"3667\" data-end=\"3683\">Approfondimento B2B:<\/strong> La maggior parte dei progetti industriali su larga scala richiede entrambi i tipi di trasformatori in serie: trasformatori da 33\/11 kV per portare la tensione al livello di distribuzione e trasformatori da 11\/0,4 kV per l'alimentazione diretta delle apparecchiature.<\/p>\n<\/blockquote>\n<hr data-start=\"3884\" data-end=\"3887\" \/>\n<h2 data-start=\"3889\" data-end=\"3916\"><span class=\"ez-toc-section\" id=\"Applications_by_Industry\"><\/span>Applicazioni per settore<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 data-start=\"3918\" data-end=\"3944\"><span class=\"ez-toc-section\" id=\"3311_kV_Transformers\"><\/span><a href=\"https:\/\/energypowertransformer.com\/manufacturer\/6000-kva-33kv-to-11kv-oil-filled-substation-transformer-copper-windings\/\">Trasformatori 33\/11 kV<\/a>:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-start=\"3946\" data-end=\"4099\">\n<li data-start=\"3946\" data-end=\"3975\">\n<p data-start=\"3948\" data-end=\"3975\">Sottostazioni urbane e rurali<\/p>\n<\/li>\n<li data-start=\"3976\" data-end=\"4006\">\n<p data-start=\"3978\" data-end=\"4006\">Grandi complessi industriali<\/p>\n<\/li>\n<li data-start=\"4007\" data-end=\"4058\">\n<p data-start=\"4009\" data-end=\"4058\">Integrazione delle energie rinnovabili (parchi solari\/eolici)<\/p>\n<\/li>\n<li data-start=\"4059\" data-end=\"4099\">\n<p data-start=\"4061\" data-end=\"4099\">Operazioni di estrazione mineraria e industria pesante<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"4101\" data-end=\"4128\"><span class=\"ez-toc-section\" id=\"1104_kV_Transformers\"><\/span>11\/0,4 kV Trasformatori:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-start=\"4130\" data-end=\"4282\">\n<li data-start=\"4130\" data-end=\"4157\">\n<p data-start=\"4132\" data-end=\"4157\">Fabbriche e laboratori<\/p>\n<\/li>\n<li data-start=\"4158\" data-end=\"4210\">\n<p data-start=\"4160\" data-end=\"4210\">Comunit\u00e0 residenziali ed edifici commerciali<\/p>\n<\/li>\n<li data-start=\"4211\" data-end=\"4243\">\n<p data-start=\"4213\" data-end=\"4243\">Parchi industriali su piccola scala<\/p>\n<\/li>\n<li data-start=\"4244\" data-end=\"4282\">\n<p data-start=\"4246\" data-end=\"4282\">Sistemi di alimentazione di backup e di emergenza<\/p>\n<\/li>\n<\/ul>\n<blockquote data-start=\"4284\" data-end=\"4442\">\n<p data-start=\"4286\" data-end=\"4442\">\u26a1 <strong data-start=\"4288\" data-end=\"4309\">Suggerimento per gli EPC:<\/strong> Utilizzo <strong data-start=\"4316\" data-end=\"4350\">trasformatori modulari 11\/0,4 kV<\/strong> a valle dei trasformatori da 33\/11 kV semplifica la gestione del carico e riduce il rischio di fermo macchina.<\/p>\n<\/blockquote>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3425\" src=\"https:\/\/energypowertransformer.com\/wp-content\/uploads\/2026\/03\/3311-kV-vs-110.4-kV-Transformer-Applications-Key-Differences-in-Medium-and-Low-Voltage-Power-Distribution-for-Industrial-and-Commercial-Projects.webp\" alt=\"Confronto tra trasformatori da 33\/11 kV e 11\/0,4 kV per evidenziarne le applicazioni, le differenze tecniche e l&#039;idoneit\u00e0 alla distribuzione di energia a media e bassa tensione in progetti industriali e commerciali - Energy Transformer.\" width=\"900\" height=\"500\" srcset=\"https:\/\/energypowertransformer.com\/wp-content\/uploads\/2026\/03\/3311-kV-vs-110.4-kV-Transformer-Applications-Key-Differences-in-Medium-and-Low-Voltage-Power-Distribution-for-Industrial-and-Commercial-Projects.webp 900w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2026\/03\/3311-kV-vs-110.4-kV-Transformer-Applications-Key-Differences-in-Medium-and-Low-Voltage-Power-Distribution-for-Industrial-and-Commercial-Projects-300x167.webp 300w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2026\/03\/3311-kV-vs-110.4-kV-Transformer-Applications-Key-Differences-in-Medium-and-Low-Voltage-Power-Distribution-for-Industrial-and-Commercial-Projects-768x427.webp 768w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2026\/03\/3311-kV-vs-110.4-kV-Transformer-Applications-Key-Differences-in-Medium-and-Low-Voltage-Power-Distribution-for-Industrial-and-Commercial-Projects-18x10.webp 18w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2026\/03\/3311-kV-vs-110.4-kV-Transformer-Applications-Key-Differences-in-Medium-and-Low-Voltage-Power-Distribution-for-Industrial-and-Commercial-Projects-600x333.webp 600w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/p>\n<hr data-start=\"4444\" data-end=\"4447\" \/>\n<h2 data-start=\"4449\" data-end=\"4499\"><span class=\"ez-toc-section\" id=\"Cost_Differences_and_Procurement_Considerations\"><\/span>Differenze di costo e considerazioni sull'acquisto<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 data-start=\"4501\" data-end=\"4549\"><span class=\"ez-toc-section\" id=\"Factors_Affecting_3311_kV_Transformer_Cost\"><\/span>Fattori che influenzano il costo dei trasformatori 33\/11 kV:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol data-start=\"4551\" data-end=\"4828\">\n<li data-start=\"4551\" data-end=\"4610\">\n<p data-start=\"4554\" data-end=\"4610\"><strong data-start=\"4554\" data-end=\"4581\">Capacit\u00e0 e carico nominale:<\/strong> Maggiore kVA \u2192 prezzo pi\u00f9 alto.<\/p>\n<\/li>\n<li data-start=\"4611\" data-end=\"4668\">\n<p data-start=\"4614\" data-end=\"4668\"><strong data-start=\"4614\" data-end=\"4631\">Tipo di raffreddamento:<\/strong> L'ONAN \u00e8 pi\u00f9 economico dell'ONAF o dell'OFAF.<\/p>\n<\/li>\n<li data-start=\"4669\" data-end=\"4749\">\n<p data-start=\"4672\" data-end=\"4749\"><strong data-start=\"4672\" data-end=\"4685\">Materiale:<\/strong> I trasformatori con avvolgimento in rame sono pi\u00f9 costosi di quelli in alluminio.<\/p>\n<\/li>\n<li data-start=\"4750\" data-end=\"4828\">\n<p data-start=\"4753\" data-end=\"4828\"><strong data-start=\"4753\" data-end=\"4784\">Standard e certificazioni:<\/strong> Conformit\u00e0 agli standard IEC, ANSI o locali.<\/p>\n<\/li>\n<\/ol>\n<h3 data-start=\"4830\" data-end=\"4879\"><span class=\"ez-toc-section\" id=\"Factors_Affecting_1104_kV_Transformer_Cost\"><\/span>Fattori che influenzano il costo dei trasformatori 11\/0,4 kV:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol data-start=\"4881\" data-end=\"5110\">\n<li data-start=\"4881\" data-end=\"4943\">\n<p data-start=\"4884\" data-end=\"4943\"><strong data-start=\"4884\" data-end=\"4904\">Quantit\u00e0 necessaria:<\/strong> Le reti possono richiedere pi\u00f9 unit\u00e0.<\/p>\n<\/li>\n<li data-start=\"4944\" data-end=\"5024\">\n<p data-start=\"4947\" data-end=\"5024\"><strong data-start=\"4947\" data-end=\"4965\">Tipo di montaggio:<\/strong> I trasformatori montati su pali sono pi\u00f9 costosi di quelli montati su pali.<\/p>\n<\/li>\n<li data-start=\"5025\" data-end=\"5110\">\n<p data-start=\"5028\" data-end=\"5110\"><strong data-start=\"5028\" data-end=\"5056\">Ambiente di applicazione:<\/strong> Il tipo a secco per interni pu\u00f2 essere pi\u00f9 costoso in condizioni difficili.<\/p>\n<\/li>\n<\/ol>\n<p data-start=\"5112\" data-end=\"5158\"><strong data-start=\"5112\" data-end=\"5158\">Esempio di prezzo tipico (EXW Cina, 2026):<\/strong><\/p>\n<ul data-start=\"5160\" data-end=\"5283\">\n<li data-start=\"5160\" data-end=\"5221\">\n<p data-start=\"5162\" data-end=\"5221\">33\/11 kV, 1 MVA, a bagno d'olio: <strong data-start=\"5193\" data-end=\"5219\">$12.000 - $18.000\/unit\u00e0<\/strong><\/p>\n<\/li>\n<li data-start=\"5222\" data-end=\"5283\">\n<p data-start=\"5224\" data-end=\"5283\">11\/0,4 kV, 500 kVA, montato su piastra: <strong data-start=\"5257\" data-end=\"5281\">$3.500 - $5.000\/unit\u00e0<\/strong><\/p>\n<\/li>\n<\/ul>\n<blockquote data-start=\"5285\" data-end=\"5465\">\n<p data-start=\"5287\" data-end=\"5465\">\ud83d\udd39 <strong data-start=\"5290\" data-end=\"5309\">Suggerimento per gli acquisti B2B:<\/strong> Considerare il costo totale della rete, non solo il prezzo unitario. Un trasformatore da 11\/0,4 kV pi\u00f9 economico pu\u00f2 aumentare le spese di installazione e manutenzione se non \u00e8 dimensionato correttamente.<\/p>\n<\/blockquote>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3426\" src=\"https:\/\/energypowertransformer.com\/wp-content\/uploads\/2026\/03\/3311-kV-vs-110.4-kV-Transformer-Cost-Comparison-Budgeting-for-Medium-and-Low-Voltage-Power-Distribution-Equipment-in-Global-Industrial-Projects.webp\" alt=\"Confronto dei costi tra trasformatori da 33\/11 kV e 11\/0,4 kV per la distribuzione di energia a media e bassa tensione in progetti industriali globali, evidenziando le differenze tecniche, di budget e di approvvigionamento - Energy Transformer.\" width=\"900\" height=\"500\" srcset=\"https:\/\/energypowertransformer.com\/wp-content\/uploads\/2026\/03\/3311-kV-vs-110.4-kV-Transformer-Cost-Comparison-Budgeting-for-Medium-and-Low-Voltage-Power-Distribution-Equipment-in-Global-Industrial-Projects.webp 900w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2026\/03\/3311-kV-vs-110.4-kV-Transformer-Cost-Comparison-Budgeting-for-Medium-and-Low-Voltage-Power-Distribution-Equipment-in-Global-Industrial-Projects-300x167.webp 300w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2026\/03\/3311-kV-vs-110.4-kV-Transformer-Cost-Comparison-Budgeting-for-Medium-and-Low-Voltage-Power-Distribution-Equipment-in-Global-Industrial-Projects-768x427.webp 768w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2026\/03\/3311-kV-vs-110.4-kV-Transformer-Cost-Comparison-Budgeting-for-Medium-and-Low-Voltage-Power-Distribution-Equipment-in-Global-Industrial-Projects-18x10.webp 18w, https:\/\/energypowertransformer.com\/wp-content\/uploads\/2026\/03\/3311-kV-vs-110.4-kV-Transformer-Cost-Comparison-Budgeting-for-Medium-and-Low-Voltage-Power-Distribution-Equipment-in-Global-Industrial-Projects-600x333.webp 600w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/p>\n<hr data-start=\"5467\" data-end=\"5470\" \/>\n<h2 data-start=\"5472\" data-end=\"5522\"><span class=\"ez-toc-section\" id=\"Choosing_the_Right_Transformer_for_Your_Project\"><\/span>Scegliere il trasformatore giusto per il progetto<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol data-start=\"5524\" data-end=\"5988\">\n<li data-start=\"5524\" data-end=\"5621\">\n<p data-start=\"5527\" data-end=\"5621\"><strong data-start=\"5527\" data-end=\"5557\">Analizzare i requisiti di carico:<\/strong> Adeguare la capacit\u00e0 dei trasformatori alla domanda di picco e alla crescita futura.<\/p>\n<\/li>\n<li data-start=\"5622\" data-end=\"5699\">\n<p data-start=\"5625\" data-end=\"5699\"><strong data-start=\"5625\" data-end=\"5651\">Valutare i livelli di tensione:<\/strong> Garantire la compatibilit\u00e0 a monte e a valle.<\/p>\n<\/li>\n<li data-start=\"5700\" data-end=\"5790\">\n<p data-start=\"5703\" data-end=\"5790\"><strong data-start=\"5703\" data-end=\"5728\">Considerare l'ambiente:<\/strong> La scelta del design \u00e8 dettata da condizioni esterne, interne o difficili.<\/p>\n<\/li>\n<li data-start=\"5791\" data-end=\"5898\">\n<p data-start=\"5794\" data-end=\"5898\"><strong data-start=\"5794\" data-end=\"5826\">Controllare la conformit\u00e0 e la garanzia:<\/strong> Gli standard IEC\/ANSI e la garanzia del produttore riducono il rischio operativo.<\/p>\n<\/li>\n<li data-start=\"5899\" data-end=\"5988\">\n<p data-start=\"5902\" data-end=\"5988\"><strong data-start=\"5902\" data-end=\"5920\">ROI a lungo termine:<\/strong> Bilanciare il CAPEX iniziale con l'OPEX, la manutenzione e i rischi di fermo macchina.<\/p>\n<\/li>\n<\/ol>\n<blockquote data-start=\"5990\" data-end=\"6199\">\n<p data-start=\"5992\" data-end=\"6199\">\ud83c\udf10 <strong data-start=\"5995\" data-end=\"6028\">Vantaggio del trasformatore di energia:<\/strong> Forniamo trasformatori certificati da 33\/11 kV e 11\/0,4 kV su misura per progetti industriali, commerciali e di pubblica utilit\u00e0 in Sud e Nord America, Europa e Asia.<\/p>\n<\/blockquote>\n<hr data-start=\"6201\" data-end=\"6204\" \/>\n<h2 data-start=\"6206\" data-end=\"6219\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusione<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"6221\" data-end=\"6485\">Entrambi <strong data-start=\"6226\" data-end=\"6238\">33\/11 kV<\/strong> e <strong data-start=\"6243\" data-end=\"6269\">Trasformatori 11\/0,4 kV<\/strong> svolgono un ruolo fondamentale nella moderna distribuzione dell'energia. Mentre il trasformatore da 33\/11 kV gestisce in modo efficiente la distribuzione della rete a media tensione, il trasformatore da 33\/11 kV gestisce in modo efficiente la distribuzione della rete a media tensione.<a href=\"https:\/\/energypowertransformer.com\/manufacturer\/1500-kva-11kv-to-400v-oil-filled-three-phase-distribution-transformer-iec-ansi-standards\/\"> Trasformatore 11\/0,4 kV<\/a> garantisce agli utenti finali un'alimentazione affidabile a bassa tensione.<\/p>\n<p data-start=\"6487\" data-end=\"6683\">Per gli acquirenti industriali, le utility e le societ\u00e0 EPC, la scelta della giusta combinazione di trasformatori non \u00e8 solo una questione di costi, ma anche di affidabilit\u00e0, efficienza e successo operativo a lungo termine.<\/p>\n<blockquote data-start=\"6685\" data-end=\"6869\">\n<p data-start=\"6687\" data-end=\"6869\">\ud83d\udca1 <strong data-start=\"6690\" data-end=\"6709\">Invito all'azione:<\/strong> Contatto <strong data-start=\"6718\" data-end=\"6740\">Trasformatore di energia<\/strong> per consulenze, preventivi personalizzati e soluzioni di trasformatori chiavi in mano che soddisfano gli standard IEC\/ANSI e garantiscono il massimo ROI.<\/p>\n<\/blockquote>\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=\"\/it\/wp-json\/wp\/v2\/posts\/3421#wpcf7-f280-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Modulo di contatto\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/it\/wp-json\/wp\/v2\/posts\/3421#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\" 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Two of the most common transformer types in medium- and low-voltage networks are 33\/11 kV transformers and 11\/0.4 kV transformers. While they may appear similar at first glance, their applications, technical specifications, and costs differ significantly. 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Learn their industrial applications, technical specifications, cost differences, and how to select the right transformer for substations, factories, and commercial power distribution. Optimize procurement and ensure long-term ROI with Energy Transformer\u2019s expert guidance.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/energypowertransformer.com\/it\/33-11-kv-vs-11-0-4-kv-transformers-comparison-applications-cost-differences\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"33\/11 kV vs 11\/0.4 kV Transformers: Industrial Comparison, Applications &amp; Cost Insights for B2B Buyers\" \/>\n<meta property=\"og:description\" content=\"Explore the detailed comparison between 33\/11 kV and 11\/0.4 kV oil-immersed transformers. 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