{"id":2143,"date":"2026-03-05T06:21:45","date_gmt":"2026-03-05T06:21:45","guid":{"rendered":"https:\/\/yawei-powertransformer.com\/?p=2143"},"modified":"2026-03-24T06:47:18","modified_gmt":"2026-03-24T06:47:18","slug":"500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems","status":"publish","type":"post","link":"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/","title":{"rendered":"\u0423\u043d\u0438\u0444\u0438\u043b\u044f\u0440\u043d\u0430\u044f \u0441\u0445\u0435\u043c\u0430 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0430 500 \u043a\u0412\u0410 \u0441 \u043f\u043e\u044f\u0441\u043d\u0435\u043d\u0438\u044f\u043c\u0438 \u0434\u043b\u044f \u044d\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u0421\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u043d\u044b\u0445 \u0428\u0442\u0430\u0442\u043e\u0432"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 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\">\u041e\u0433\u043b\u0430\u0432\u043b\u0435\u043d\u0438\u0435<\/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=\"Toggle Table of Content\"><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:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#Introduction\" >\u0412\u0432\u0435\u0434\u0435\u043d\u0438\u0435<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#What_Is_a_Unifilar_Diagram_in_Power_System_Engineering\" >\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 \u0443\u043d\u0438\u0444\u0438\u043b\u044f\u0440\u043d\u0430\u044f \u0434\u0438\u0430\u0433\u0440\u0430\u043c\u043c\u0430 \u0432 \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u044d\u043d\u0435\u0440\u0433\u043e\u0441\u0438\u0441\u0442\u0435\u043c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#Primary_Voltage_Medium_Voltage\" >\u041f\u0435\u0440\u0432\u0438\u0447\u043d\u043e\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435 (\u0441\u0440\u0435\u0434\u043d\u0435\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#Secondary_Voltage_Low_Voltage\" >\u0412\u0442\u043e\u0440\u0438\u0447\u043d\u043e\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435 (\u043d\u0438\u0437\u043a\u043e\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#Typical_Connection_Type_for_a_500_kVA_Transformer\" >\u0422\u0438\u043f\u043e\u0432\u043e\u0439 \u0442\u0438\u043f \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0430 500 \u043a\u0412\u0410<\/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:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#Advantages_of_Delta%E2%80%93Wye_Configuration\" >\u041f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0430 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u0438 Delta-Wye<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#Main_Components_in_a_500_kVA_Transformer_Unifilar_Diagram\" >\u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u044b \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0430 \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u044c\u044e 500 \u043a\u0412\u0410 \u0423\u043d\u0438\u0444\u0438\u043b\u044f\u0440\u043d\u0430\u044f \u0434\u0438\u0430\u0433\u0440\u0430\u043c\u043c\u0430<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#1_Medium_Voltage_Utility_Supply\" >1. \u041a\u043e\u043c\u043c\u0443\u043d\u0430\u043b\u044c\u043d\u044b\u0435 \u0441\u0435\u0442\u0438 \u0441\u0440\u0435\u0434\u043d\u0435\u0433\u043e \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#2_High_Voltage_Disconnect_Switch\" >2. \u0412\u044b\u0441\u043e\u043a\u043e\u0432\u043e\u043b\u044c\u0442\u043d\u044b\u0439 \u0440\u0430\u0437\u044a\u0435\u0434\u0438\u043d\u0438\u0442\u0435\u043b\u044c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#3_Surge_Arresters\" >3. \u041e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0442\u0435\u043b\u0438 \u043f\u0435\u0440\u0435\u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0439<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#4_High_Voltage_Protection\" >4. \u0417\u0430\u0449\u0438\u0442\u0430 \u043e\u0442 \u0432\u044b\u0441\u043e\u043a\u043e\u0433\u043e \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#5_500_kVA_Transformer\" >5. \u0422\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440 500 \u043a\u0412\u0410<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#6_Grounding_System\" >6. \u0421\u0438\u0441\u0442\u0435\u043c\u0430 \u0437\u0430\u0437\u0435\u043c\u043b\u0435\u043d\u0438\u044f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#7_Low_Voltage_Distribution_Panel\" >7. \u0420\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0449\u0438\u0442 \u043d\u0438\u0437\u043a\u043e\u0433\u043e \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#Where_500_kVA_Transformers_Are_Commonly_Used\" >\u0413\u0434\u0435 \u043e\u0431\u044b\u0447\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u044b 500 \u043a\u0412\u0410<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#Commercial_Buildings\" >\u041a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0438\u0435 \u0437\u0434\u0430\u043d\u0438\u044f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#Industrial_Facilities\" >\u041f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u044b\u0435 \u043e\u0431\u044a\u0435\u043a\u0442\u044b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#Infrastructure_Projects\" >\u0418\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u043d\u044b\u0435 \u043f\u0440\u043e\u0435\u043a\u0442\u044b<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#Design_Standards_for_Transformers_Used_in_the_United_States\" >\u0421\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u044b \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u043e\u0432, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u044b\u0445 \u0432 \u0421\u0428\u0410<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#Major_Standards\" >\u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u044b<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#500_kVA_Distribution_Transformers_from_Yawei_Transformer\" >\u0420\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u044b 500 \u043a\u0412\u0410 \u043e\u0442 Yawei Transformer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#Frequently_Asked_Questions_FAQ\" >\u0427\u0430\u0441\u0442\u043e \u0437\u0430\u0434\u0430\u0432\u0430\u0435\u043c\u044b\u0435 \u0432\u043e\u043f\u0440\u043e\u0441\u044b (FAQ)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#What_is_a_transformer_unifilar_diagram\" >\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 \u0443\u043d\u0438\u0444\u0438\u043b\u044f\u0440\u043d\u0430\u044f \u0434\u0438\u0430\u0433\u0440\u0430\u043c\u043c\u0430 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0430?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#What_voltage_is_typical_for_a_500_kVA_transformer_in_the_United_States\" >\u041a\u0430\u043a\u043e\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u043d\u043e \u0434\u043b\u044f \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0430 \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u044c\u044e 500 \u043a\u0412\u0410 \u0432 \u0421\u0428\u0410?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#What_does_Delta%E2%80%93Wye_mean_in_a_transformer\" >\u0427\u0442\u043e \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442 \"\u0434\u0435\u043b\u044c\u0442\u0430-\u043a\u0440\u0430\u0441\u043d\u044b\u0439\" \u0432 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0435?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#Is_500_kVA_a_common_transformer_size\" >\u042f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043b\u0438 500 \u043a\u0412\u0410 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043d\u044b\u043c \u0440\u0430\u0437\u043c\u0435\u0440\u043e\u043c \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0430?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 data-start=\"862\" data-end=\"876\"><span class=\"ez-toc-section\" id=\"Introduction\"><\/span>\u0412\u0432\u0435\u0434\u0435\u043d\u0438\u0435<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"878\" data-end=\"1067\">\u041f\u0440\u0438 \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u044d\u043d\u0435\u0440\u0433\u0438\u0438 \u0438\u043d\u0436\u0435\u043d\u0435\u0440\u044b \u0447\u0430\u0441\u0442\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442 \u0443\u043d\u0438\u0444\u0438\u043b\u044f\u0440\u043d\u0443\u044e \u0441\u0445\u0435\u043c\u0443 (\u0442\u0430\u043a\u0436\u0435 \u043d\u0430\u0437\u044b\u0432\u0430\u0435\u043c\u0443\u044e \u043e\u0434\u043d\u043e\u043b\u0438\u043d\u0435\u0439\u043d\u043e\u0439), \u0447\u0442\u043e\u0431\u044b \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u0442\u044c, \u043a\u0430\u043a \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u043e \u0432 \u044d\u043d\u0435\u0440\u0433\u043e\u0441\u0438\u0441\u0442\u0435\u043c\u0435.<\/p>\n<p data-start=\"1069\" data-end=\"1349\">\u0414\u043b\u044f \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432, \u0433\u0434\u0435 \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440 \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u044c\u044e 500 \u043a\u0412\u0410, \u0443\u043d\u0438\u0444\u0438\u043b\u044f\u0440\u043d\u0430\u044f \u0441\u0445\u0435\u043c\u0430 \u0434\u0430\u0435\u0442 \u0443\u043f\u0440\u043e\u0449\u0435\u043d\u043d\u044b\u0439 \u043e\u0431\u0437\u043e\u0440 \u044d\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0441\u0435\u0442\u0438, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u043f\u0438\u0442\u0430\u043d\u0438\u0435 \u0441\u0440\u0435\u0434\u043d\u0435\u0433\u043e \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f, \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u043e\u0432, \u0437\u0430\u0449\u0438\u0442\u043d\u044b\u0435 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430, \u0441\u0438\u0441\u0442\u0435\u043c\u0443 \u0437\u0430\u0437\u0435\u043c\u043b\u0435\u043d\u0438\u044f \u0438 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043d\u0438\u0437\u043a\u043e\u0433\u043e \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f.<\/p>\n<p data-start=\"1351\" data-end=\"1578\">\u0412 \u0421\u0428\u0410 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u044b \u043e\u0431\u044b\u0447\u043d\u043e \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u044e\u0442\u0441\u044f \u0432 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0438 \u0441\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430\u043c\u0438 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u0438 ANSI, IEEE \u0438 DOE, \u0430 \u0442\u0438\u043f\u0438\u0447\u043d\u044b\u0435 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u0438 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0442 \u043f\u0435\u0440\u0432\u0438\u0447\u043d\u043e\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435 13,2 \u043a\u0412 \/ 12,47 \u043a\u0412 \u0438 \u0432\u0442\u043e\u0440\u0438\u0447\u043d\u043e\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435 480Y\/277V.<\/p>\n<p data-start=\"1580\" data-end=\"1758\">\u0412 \u044d\u0442\u043e\u043c \u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0441\u0442\u0432\u0435 \u043e\u0431\u044a\u044f\u0441\u043d\u044f\u0435\u0442\u0441\u044f, \u043a\u0430\u043a \u0443\u0441\u0442\u0440\u043e\u0435\u043d\u0430 \u0443\u043d\u0438\u0444\u0438\u0446\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u0430\u044f \u0441\u0445\u0435\u043c\u0430 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0430 500 \u043a\u0412\u0410, \u043a\u0430\u043a\u0438\u0435 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u044b \u0432 \u043d\u0435\u0435 \u0432\u0445\u043e\u0434\u044f\u0442 \u0438 \u043a\u0430\u043a \u043e\u043d\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0432 \u0440\u0435\u0430\u043b\u044c\u043d\u044b\u0445 \u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0438\u0445 \u0438 \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u044b\u0445 \u044d\u043d\u0435\u0440\u0433\u043e\u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445.<\/p>\n<h2 data-start=\"1770\" data-end=\"1824\"><span class=\"ez-toc-section\" id=\"What_Is_a_Unifilar_Diagram_in_Power_System_Engineering\"><\/span>\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 \u0443\u043d\u0438\u0444\u0438\u043b\u044f\u0440\u043d\u0430\u044f \u0434\u0438\u0430\u0433\u0440\u0430\u043c\u043c\u0430 \u0432 \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u044d\u043d\u0435\u0440\u0433\u043e\u0441\u0438\u0441\u0442\u0435\u043c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"1826\" data-end=\"1969\">\u0423\u043d\u0438\u0444\u0438\u043b\u044f\u0440\u043d\u0430\u044f \u0434\u0438\u0430\u0433\u0440\u0430\u043c\u043c\u0430 - \u044d\u0442\u043e \u0443\u043f\u0440\u043e\u0449\u0435\u043d\u043d\u043e\u0435 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0441\u0438\u0441\u0442\u0435\u043c\u044b 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\u043a\u043e\u043c\u043c\u0443\u0442\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0435 \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u0435<\/p>\n<\/li>\n<li data-start=\"2403\" data-end=\"2447\">\n<p data-start=\"2405\" data-end=\"2447\">\u041c\u043e\u0449\u043d\u043e\u0441\u0442\u044c \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0430 \u0438 \u0442\u0438\u043f \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f<\/p>\n<\/li>\n<li data-start=\"2448\" data-end=\"2476\">\n<p data-start=\"2450\" data-end=\"2476\">\u0423\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430 \u0437\u0430\u0449\u0438\u0442\u044b \u043e\u0442 \u0438\u043c\u043f\u0443\u043b\u044c\u0441\u043d\u044b\u0445 \u043f\u0435\u0440\u0435\u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0439<\/p>\n<\/li>\n<li data-start=\"2477\" data-end=\"2504\">\n<p data-start=\"2479\" data-end=\"2504\">\u041a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u044f \u0437\u0430\u0437\u0435\u043c\u043b\u0435\u043d\u0438\u044f<\/p>\n<\/li>\n<li data-start=\"2505\" data-end=\"2540\">\n<p data-start=\"2507\" data-end=\"2540\">\u041d\u0438\u0437\u043a\u043e\u0432\u043e\u043b\u044c\u0442\u043d\u044b\u0435 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0449\u0438\u0442\u044b<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2542\" data-end=\"2666\">\u0411\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u0441\u0432\u043e\u0435\u0439 \u043f\u0440\u043e\u0441\u0442\u043e\u0442\u0435 \u0443\u043d\u0438\u0444\u0438\u043b\u044f\u0440\u043d\u0430\u044f \u0434\u0438\u0430\u0433\u0440\u0430\u043c\u043c\u0430 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043e\u0434\u043d\u0438\u043c \u0438\u0437 \u0441\u0430\u043c\u044b\u0445 \u0432\u0430\u0436\u043d\u044b\u0445 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u043e\u0432 \u0432 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u043e\u043c \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2148\" src=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/unifilar-diagram-transformer-500-kVA-United-States.webp\" alt=\"\u0423\u043d\u0438\u0444\u0438\u043b\u044f\u0440\u043d\u0430\u044f \u0441\u0445\u0435\u043c\u0430 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0430 \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u044c\u044e 500 \u043a\u0412\u0410 \u0434\u043b\u044f \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u044d\u043d\u0435\u0440\u0433\u0438\u0438 \u0432 \u0421\u0428\u0410 \u0441 \u0443\u043a\u0430\u0437\u0430\u043d\u0438\u0435\u043c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0439 \u0441\u0440\u0435\u0434\u043d\u0435\u0433\u043e \u0438 \u043d\u0438\u0437\u043a\u043e\u0433\u043e \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f, \u0438\u0437\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u0430\u044f \u043a\u0438\u0442\u0430\u0439\u0441\u043a\u0438\u043c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c \u0438 \u043f\u043e\u0441\u0442\u0430\u0432\u0449\u0438\u043a\u043e\u043c \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u043e\u0432 \u0434\u043b\u044f \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u044b\u0445, \u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0438\u0445 \u0438 \u043a\u043e\u043c\u043c\u0443\u043d\u0430\u043b\u044c\u043d\u044b\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432\" width=\"900\" height=\"600\" srcset=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/unifilar-diagram-transformer-500-kVA-United-States.webp 900w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/unifilar-diagram-transformer-500-kVA-United-States-300x200.webp 300w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/unifilar-diagram-transformer-500-kVA-United-States-768x512.webp 768w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/unifilar-diagram-transformer-500-kVA-United-States-18x12.webp 18w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/unifilar-diagram-transformer-500-kVA-United-States-600x400.webp 600w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/p>\n<div class=\"row\"  id=\"row-1554265843\">\n\n\t<div id=\"col-1618024116\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<p data-start=\"2678\" data-end=\"2754\">\u0422\u0438\u043f\u0438\u0447\u043d\u0430\u044f \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u044f \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0430 \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u044c\u044e 500 \u043a\u0412\u0410 \u0432 \u0421\u0428\u0410<\/p>\n<p data-start=\"2756\" data-end=\"2928\">\u0412 \u0441\u0435\u0432\u0435\u0440\u043e\u0430\u043c\u0435\u0440\u0438\u043a\u0430\u043d\u0441\u043a\u0438\u0445 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u044c\u044e\u0442\u043e\u0440\u0441\u043a\u0438\u0445 \u0441\u0435\u0442\u044f\u0445 <a href=\"https:\/\/yawei-powertransformer.com\/ru\/manufacturer\/500-kva-pad-mounted-distribution-transformer-12470grdy-7200v-primary-480y-277v-secondary-ansi-ieee-compliant-outdoor-rated\/\"><strong data-start=\"2799\" data-end=\"2822\">\u0422\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440 \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u044c\u044e 500 \u043a\u0412\u0410 \u0434\u043b\u044f \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u043d\u0430 \u043f\u043b\u043e\u0449\u0430\u0434\u043a\u0443<\/strong><\/a> \u043e\u0431\u044b\u0447\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u043f\u043e\u043d\u0438\u0436\u0435\u043d\u0438\u044f <strong data-start=\"2853\" data-end=\"2927\">\u0441\u0440\u0435\u0434\u043d\u0435\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435 \u043e\u0442 \u043f\u0438\u0442\u0430\u044e\u0449\u0435\u0439 \u0441\u0435\u0442\u0438 \u0434\u043e \u043d\u0438\u0437\u043a\u043e\u0433\u043e \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u0437\u0434\u0430\u043d\u0438\u044f<\/strong>.<\/p>\n<h2 data-start=\"2930\" data-end=\"2965\"><span class=\"ez-toc-section\" id=\"Primary_Voltage_Medium_Voltage\"><\/span>\u041f\u0435\u0440\u0432\u0438\u0447\u043d\u043e\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435 (\u0441\u0440\u0435\u0434\u043d\u0435\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"2967\" data-end=\"2999\">\u041a \u0447\u0438\u0441\u043b\u0443 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043d\u044b\u0445 \u043f\u0435\u0440\u0432\u0438\u0447\u043d\u044b\u0445 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0439 \u043e\u0442\u043d\u043e\u0441\u044f\u0442\u0441\u044f:<\/p>\n<ul data-start=\"3001\" data-end=\"3057\">\n<li data-start=\"3001\" data-end=\"3015\">\n<p data-start=\"3003\" data-end=\"3015\"><strong data-start=\"3003\" data-end=\"3015\">12,47 \u043a\u0412<\/strong><\/p>\n<\/li>\n<li data-start=\"3016\" data-end=\"3029\">\n<p data-start=\"3018\" data-end=\"3029\"><strong data-start=\"3018\" data-end=\"3029\">13,2 \u043a\u0412<\/strong><\/p>\n<\/li>\n<li data-start=\"3030\" data-end=\"3043\">\n<p data-start=\"3032\" data-end=\"3043\"><strong data-start=\"3032\" data-end=\"3043\">13,8 \u043a\u0412<\/strong><\/p>\n<\/li>\n<li data-start=\"3044\" data-end=\"3057\">\n<p data-start=\"3046\" data-end=\"3057\"><strong data-start=\"3046\" data-end=\"3057\">34,5 \u043a\u0412<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3059\" data-end=\"3147\">\u042d\u0442\u0438 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f \u043e\u0431\u044b\u0447\u043d\u043e \u043f\u043e\u0441\u0442\u0443\u043f\u0430\u044e\u0442 \u043e\u0442 <strong data-start=\"3096\" data-end=\"3146\">\u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u0430\u044f \u043b\u0438\u043d\u0438\u044f \u0438\u043b\u0438 \u0444\u0438\u0434\u0435\u0440 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u0446\u0438\u0438<\/strong>.<\/p>\n<h2 data-start=\"3149\" data-end=\"3183\"><span class=\"ez-toc-section\" id=\"Secondary_Voltage_Low_Voltage\"><\/span>\u0412\u0442\u043e\u0440\u0438\u0447\u043d\u043e\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435 (\u043d\u0438\u0437\u043a\u043e\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"3185\" data-end=\"3228\">\u041d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043d\u043e\u0439 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432\u0442\u043e\u0440\u0438\u0447\u043d\u0430\u044f \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u044f:<\/p>\n<p data-start=\"3230\" data-end=\"3270\"><strong data-start=\"3230\" data-end=\"3270\">480Y \/ 277 \u0412, \u0442\u0440\u0435\u0445\u0444\u0430\u0437\u043d\u044b\u0439, \u0447\u0435\u0442\u044b\u0440\u0435\u0445\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u043e\u0439<\/strong><\/p>\n<p data-start=\"3272\" data-end=\"3291\">\u042d\u0442\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442:<\/p>\n<ul data-start=\"3293\" data-end=\"3405\">\n<li data-start=\"3293\" data-end=\"3359\">\n<p data-start=\"3295\" data-end=\"3359\"><strong data-start=\"3295\" data-end=\"3304\">480 V<\/strong> \u0434\u043b\u044f \u0434\u0432\u0438\u0433\u0430\u0442\u0435\u043b\u0435\u0439, \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044f HVAC \u0438 \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044f<\/p>\n<\/li>\n<li data-start=\"3360\" data-end=\"3405\">\n<p data-start=\"3362\" data-end=\"3405\"><strong data-start=\"3362\" data-end=\"3371\">277 V<\/strong> \u0434\u043b\u044f \u0441\u0438\u0441\u0442\u0435\u043c \u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u043e\u0441\u0432\u0435\u0449\u0435\u043d\u0438\u044f<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3407\" data-end=\"3449\">\u0414\u0440\u0443\u0433\u0438\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u0432\u0442\u043e\u0440\u0438\u0447\u043d\u044b\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0442:<\/p>\n<ul data-start=\"3451\" data-end=\"3511\">\n<li data-start=\"3451\" data-end=\"3467\">\n<p data-start=\"3453\" data-end=\"3467\">208Y \/ 120 \u0412<\/p>\n<\/li>\n<li data-start=\"3468\" data-end=\"3477\">\n<p data-start=\"3470\" data-end=\"3477\">240 V<\/p>\n<\/li>\n<li data-start=\"3478\" data-end=\"3511\">\n<p data-start=\"3480\" data-end=\"3511\">600 \u0412 (\u043c\u0435\u043d\u0435\u0435 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e \u0432 \u0421\u0428\u0410)<\/p>\n<\/li>\n<\/ul>\n<div class=\"row\"  id=\"row-1076874770\">\n\n\t<div id=\"col-1035473959\" 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_1049404527\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Pad-Mounted-Transformer-Supplier-for-United-States-Power-Distribution-Systems.webp\" class=\"attachment-large size-large\" alt=\"\u0422\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440 \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u044c\u044e 500 \u043a\u0412\u0410, \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043d\u044b\u0439 \u043d\u0430 \u043f\u043b\u043e\u0449\u0430\u0434\u043a\u0435, \u0438\u0437\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u044b\u0439 \u043a\u0438\u0442\u0430\u0439\u0441\u043a\u0438\u043c \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u043d\u044b\u043c \u0437\u0430\u0432\u043e\u0434\u043e\u043c \u0434\u043b\u044f \u0441\u0438\u0441\u0442\u0435\u043c \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u044d\u043d\u0435\u0440\u0433\u0438\u0438 \u0432 \u0421\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u043d\u044b\u0445 \u0428\u0442\u0430\u0442\u0430\u0445, \u043f\u043e\u0441\u0442\u0430\u0432\u0449\u0438\u043a \u0442\u0440\u0435\u0445\u0444\u0430\u0437\u043d\u044b\u0445 \u043f\u043e\u0434\u0437\u0435\u043c\u043d\u044b\u0445 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u043e\u0432 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430 ANSI\" srcset=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Pad-Mounted-Transformer-Supplier-for-United-States-Power-Distribution-Systems.webp 800w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Pad-Mounted-Transformer-Supplier-for-United-States-Power-Distribution-Systems-300x300.webp 300w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Pad-Mounted-Transformer-Supplier-for-United-States-Power-Distribution-Systems-150x150.webp 150w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Pad-Mounted-Transformer-Supplier-for-United-States-Power-Distribution-Systems-768x768.webp 768w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Pad-Mounted-Transformer-Supplier-for-United-States-Power-Distribution-Systems-12x12.webp 12w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Pad-Mounted-Transformer-Supplier-for-United-States-Power-Distribution-Systems-600x600.webp 600w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Pad-Mounted-Transformer-Supplier-for-United-States-Power-Distribution-Systems-100x100.webp 100w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/>\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_1049404527 {\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-528099264\" 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_2039882162\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Dry-Type-Transformer-Manufacturer-China-Industrial-Power-Transformer-Supplier.webp\" class=\"attachment-large size-large\" alt=\"\u0421\u0443\u0445\u043e\u0439 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440 \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u044c\u044e 500 \u043a\u0412\u0410, \u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0435\u043d\u043d\u044b\u0439 \u043a\u0438\u0442\u0430\u0439\u0441\u043a\u0438\u043c \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u043d\u044b\u043c \u0437\u0430\u0432\u043e\u0434\u043e\u043c \u0434\u043b\u044f \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u044d\u043d\u0435\u0440\u0433\u0438\u0438, \u043f\u043e\u0441\u0442\u0430\u0432\u0449\u0438\u043a \u0442\u0440\u0435\u0445\u0444\u0430\u0437\u043d\u044b\u0445 \u044d\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u043e\u0432 \u0434\u043b\u044f \u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0438\u0445 \u0438 \u043a\u043e\u043c\u043c\u0443\u043d\u0430\u043b\u044c\u043d\u044b\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432\" srcset=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Dry-Type-Transformer-Manufacturer-China-Industrial-Power-Transformer-Supplier.webp 800w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Dry-Type-Transformer-Manufacturer-China-Industrial-Power-Transformer-Supplier-300x300.webp 300w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Dry-Type-Transformer-Manufacturer-China-Industrial-Power-Transformer-Supplier-150x150.webp 150w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Dry-Type-Transformer-Manufacturer-China-Industrial-Power-Transformer-Supplier-768x768.webp 768w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Dry-Type-Transformer-Manufacturer-China-Industrial-Power-Transformer-Supplier-12x12.webp 12w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Dry-Type-Transformer-Manufacturer-China-Industrial-Power-Transformer-Supplier-600x600.webp 600w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Dry-Type-Transformer-Manufacturer-China-Industrial-Power-Transformer-Supplier-100x100.webp 100w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/>\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_2039882162 {\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-1984262883\" 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_2104781307\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Three-Phase-Oil-Immersed-Transformer-Manufacturer-China-Power-Transformer-Factory.webp\" class=\"attachment-large size-large\" alt=\"\u0422\u0440\u0435\u0445\u0444\u0430\u0437\u043d\u044b\u0439 \u043c\u0430\u0441\u043b\u044f\u043d\u044b\u0439 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440 \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u044c\u044e 500 \u043a\u0412\u0410 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0441\u0442\u0432\u0430 \u043a\u0438\u0442\u0430\u0439\u0441\u043a\u043e\u0433\u043e \u0437\u0430\u0432\u043e\u0434\u0430 \u0441\u0438\u043b\u043e\u0432\u044b\u0445 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u043e\u0432, \u043f\u043e\u0441\u0442\u0430\u0432\u0449\u0438\u043a\u0430 \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u044b\u0445 \u0438 \u0431\u044b\u0442\u043e\u0432\u044b\u0445 \u0441\u0438\u043b\u043e\u0432\u044b\u0445 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u043e\u0432 \u0434\u043b\u044f \u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0438\u0445 \u0438 \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u043d\u044b\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432\" srcset=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Three-Phase-Oil-Immersed-Transformer-Manufacturer-China-Power-Transformer-Factory.webp 800w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Three-Phase-Oil-Immersed-Transformer-Manufacturer-China-Power-Transformer-Factory-300x300.webp 300w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Three-Phase-Oil-Immersed-Transformer-Manufacturer-China-Power-Transformer-Factory-150x150.webp 150w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Three-Phase-Oil-Immersed-Transformer-Manufacturer-China-Power-Transformer-Factory-768x768.webp 768w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Three-Phase-Oil-Immersed-Transformer-Manufacturer-China-Power-Transformer-Factory-12x12.webp 12w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Three-Phase-Oil-Immersed-Transformer-Manufacturer-China-Power-Transformer-Factory-600x600.webp 600w, https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Three-Phase-Oil-Immersed-Transformer-Manufacturer-China-Power-Transformer-Factory-100x100.webp 100w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/>\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_2104781307 {\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<\/div>\n<h2 data-start=\"3523\" data-end=\"3572\"><span class=\"ez-toc-section\" id=\"Typical_Connection_Type_for_a_500_kVA_Transformer\"><\/span>\u0422\u0438\u043f\u043e\u0432\u043e\u0439 \u0442\u0438\u043f \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0430 500 \u043a\u0412\u0410<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"3574\" data-end=\"3671\">\u0412 \u0431\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u0435 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u043e\u0432, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u044b\u0445 \u0432 \u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0438\u0445 \u0437\u0434\u0430\u043d\u0438\u044f\u0445, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f <strong data-start=\"3640\" data-end=\"3670\">\u0421\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 Delta-Wye (\u0394-Y)<\/strong>.<\/p>\n<h3 data-start=\"3673\" data-end=\"3714\"><span class=\"ez-toc-section\" id=\"Advantages_of_Delta%E2%80%93Wye_Configuration\"><\/span>\u041f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0430 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u0438 Delta-Wye<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol data-start=\"3716\" data-end=\"3897\">\n<li data-start=\"3716\" data-end=\"3770\">\n<p data-start=\"3719\" data-end=\"3770\">\u041e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 <strong data-start=\"3730\" data-end=\"3754\">\u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u0430\u044f \u043d\u0435\u0439\u0442\u0440\u0430\u043b\u044c\u043d\u0430\u044f \u0442\u043e\u0447\u043a\u0430<\/strong> \u0434\u043b\u044f \u0437\u0430\u0437\u0435\u043c\u043b\u0435\u043d\u0438\u044f<\/p>\n<\/li>\n<li data-start=\"3771\" data-end=\"3823\">\n<p data-start=\"3774\" data-end=\"3823\">\u041f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 <strong data-start=\"3783\" data-end=\"3821\">\u0442\u0440\u0435\u0445\u0444\u0430\u0437\u043d\u044b\u0435 \u0438 \u043e\u0434\u043d\u043e\u0444\u0430\u0437\u043d\u044b\u0435 \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0438<\/strong><\/p>\n<\/li>\n<li data-start=\"3824\" data-end=\"3864\">\n<p data-start=\"3827\" data-end=\"3864\">\u0423\u043c\u0435\u043d\u044c\u0448\u0430\u0435\u0442 \u0432\u043e\u0437\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0435 <strong data-start=\"3849\" data-end=\"3862\">\u0433\u0430\u0440\u043c\u043e\u043d\u0438\u043a\u0438<\/strong><\/p>\n<\/li>\n<li data-start=\"3865\" data-end=\"3897\">\n<p data-start=\"3868\" data-end=\"3897\">\u041f\u043e\u0432\u044b\u0448\u0430\u0435\u0442 \u043d\u0430\u0434\u0435\u0436\u043d\u043e\u0441\u0442\u044c \u0441\u0438\u0441\u0442\u0435\u043c\u044b<\/p>\n<\/li>\n<\/ol>\n<p data-start=\"3899\" data-end=\"4021\">\u0417\u0430\u0437\u0435\u043c\u043b\u0435\u043d\u043d\u0430\u044f \u043d\u0435\u0439\u0442\u0440\u0430\u043b\u044c\u043d\u0430\u044f \u0442\u043e\u0447\u043a\u0430 (X0) \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0435 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 <strong data-start=\"3959\" data-end=\"3983\">\u041e\u0441\u0432\u0435\u0442\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0438 277 \u0412<\/strong> \u0438 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u043d\u0430\u0434\u043b\u0435\u0436\u0430\u0449\u0443\u044e \u0437\u0430\u0449\u0438\u0442\u0443 \u043e\u0442 \u0441\u0431\u043e\u0435\u0432.<\/p>\n<h2 data-start=\"4033\" data-end=\"4090\"><span class=\"ez-toc-section\" id=\"Main_Components_in_a_500_kVA_Transformer_Unifilar_Diagram\"><\/span>\u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u044b \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0430 \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u044c\u044e 500 \u043a\u0412\u0410 \u0423\u043d\u0438\u0444\u0438\u043b\u044f\u0440\u043d\u0430\u044f \u0434\u0438\u0430\u0433\u0440\u0430\u043c\u043c\u0430<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"4092\" data-end=\"4199\">\u0422\u0438\u043f\u0438\u0447\u043d\u0430\u044f \u043e\u0434\u043d\u043e\u043b\u0438\u043d\u0435\u0439\u043d\u0430\u044f \u0434\u0438\u0430\u0433\u0440\u0430\u043c\u043c\u0430 \u0434\u043b\u044f <strong data-start=\"4128\" data-end=\"4164\">\u0422\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u043d\u0430\u044f \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430 \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u044c\u044e 500 \u043a\u0412\u0410<\/strong> \u0432\u043a\u043b\u044e\u0447\u0430\u0435\u0442 \u0432 \u0441\u0435\u0431\u044f \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0435 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u044b.<\/p>\n<h3 data-start=\"4201\" data-end=\"4236\"><span class=\"ez-toc-section\" id=\"1_Medium_Voltage_Utility_Supply\"><\/span>1. \u041a\u043e\u043c\u043c\u0443\u043d\u0430\u043b\u044c\u043d\u044b\u0435 \u0441\u0435\u0442\u0438 \u0441\u0440\u0435\u0434\u043d\u0435\u0433\u043e \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"4238\" data-end=\"4327\">\u042d\u043d\u0435\u0440\u0433\u043e\u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u043d\u0430\u0447\u0438\u043d\u0430\u0435\u0442\u0441\u044f \u0441 <strong data-start=\"4269\" data-end=\"4287\">\u043f\u043e\u0434\u0430\u044e\u0449\u0438\u0439 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c<\/strong>, \u043e\u0431\u044b\u0447\u043d\u043e \u043c\u0435\u0436\u0434\u0443 <strong data-start=\"4307\" data-end=\"4326\">12 \u043a\u0412 \u0438 35 \u043a\u0412<\/strong>.<\/p>\n<h3 data-start=\"4329\" data-end=\"4365\"><span class=\"ez-toc-section\" id=\"2_High_Voltage_Disconnect_Switch\"><\/span>2. \u0412\u044b\u0441\u043e\u043a\u043e\u0432\u043e\u043b\u044c\u0442\u043d\u044b\u0439 \u0440\u0430\u0437\u044a\u0435\u0434\u0438\u043d\u0438\u0442\u0435\u043b\u044c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"4367\" data-end=\"4465\">\u042d\u0442\u043e \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0430\u043c <strong data-start=\"4399\" data-end=\"4464\">\u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440 \u0434\u043b\u044f \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u044f \u0438\u043b\u0438 \u0430\u0432\u0430\u0440\u0438\u0439\u043d\u043e\u0433\u043e \u043e\u0442\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f<\/strong>.<\/p>\n<h3 data-start=\"4467\" data-end=\"4488\"><span class=\"ez-toc-section\" id=\"3_Surge_Arresters\"><\/span>3. \u041e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0442\u0435\u043b\u0438 \u043f\u0435\u0440\u0435\u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0439<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"4490\" data-end=\"4535\">\u041e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0442\u0435\u043b\u0438 \u043f\u0435\u0440\u0435\u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f \u0437\u0430\u0449\u0438\u0449\u0430\u044e\u0442 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440 \u043e\u0442 \u043f\u0435\u0440\u0435\u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f:<\/p>\n<ul data-start=\"4537\" data-end=\"4603\">\n<li data-start=\"4537\" data-end=\"4558\">\n<p data-start=\"4539\" data-end=\"4558\">\u0423\u0434\u0430\u0440\u044b \u043c\u043e\u043b\u043d\u0438\u0438<\/p>\n<\/li>\n<li data-start=\"4559\" data-end=\"4579\">\n<p data-start=\"4561\" data-end=\"4579\">\u041a\u043e\u043c\u043c\u0443\u0442\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0435 \u043f\u0435\u0440\u0435\u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f<\/p>\n<\/li>\n<li data-start=\"4580\" data-end=\"4603\">\n<p data-start=\"4582\" data-end=\"4603\">\u041f\u0435\u0440\u0435\u0445\u043e\u0434\u043d\u043e\u0435 \u043f\u0435\u0440\u0435\u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"4605\" data-end=\"4634\"><span class=\"ez-toc-section\" id=\"4_High_Voltage_Protection\"><\/span>4. \u0417\u0430\u0449\u0438\u0442\u0430 \u043e\u0442 \u0432\u044b\u0441\u043e\u043a\u043e\u0433\u043e \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"4636\" data-end=\"4667\">\u0417\u0430\u0449\u0438\u0442\u043d\u044b\u0435 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430 \u043c\u043e\u0433\u0443\u0442 \u0432\u043a\u043b\u044e\u0447\u0430\u0442\u044c \u0432 \u0441\u0435\u0431\u044f:<\/p>\n<ul data-start=\"4669\" data-end=\"4739\">\n<li data-start=\"4669\" data-end=\"4695\">\n<p data-start=\"4671\" data-end=\"4695\">\u0422\u043e\u043a\u043e\u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0432\u0430\u044e\u0449\u0438\u0435 \u043f\u0440\u0435\u0434\u043e\u0445\u0440\u0430\u043d\u0438\u0442\u0435\u043b\u0438<\/p>\n<\/li>\n<li data-start=\"4696\" data-end=\"4719\">\n<p data-start=\"4698\" data-end=\"4719\">\u0412\u044b\u043a\u043b\u044e\u0447\u0430\u0442\u0435\u043b\u0438 \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0438<\/p>\n<\/li>\n<li data-start=\"4720\" data-end=\"4739\">\n<p data-start=\"4722\" data-end=\"4739\">\u0417\u0430\u0449\u0438\u0442\u043d\u044b\u0435 \u0440\u0435\u043b\u0435<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"4741\" data-end=\"4766\"><span class=\"ez-toc-section\" id=\"5_500_kVA_Transformer\"><\/span>5. \u0422\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440 500 \u043a\u0412\u0410<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"4768\" data-end=\"4790\">\u0422\u0438\u043f\u043e\u0432\u0430\u044f \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f:<\/p>\n<ul data-start=\"4792\" data-end=\"4933\">\n<li data-start=\"4792\" data-end=\"4815\">\n<p data-start=\"4794\" data-end=\"4815\">\u0412\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u044c: <strong data-start=\"4804\" data-end=\"4815\">500 \u043a\u0412\u0410<\/strong><\/p>\n<\/li>\n<li data-start=\"4816\" data-end=\"4846\">\n<p data-start=\"4818\" data-end=\"4846\">\u041f\u0435\u0440\u0432\u0438\u0447\u043d\u043e\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435: <strong data-start=\"4835\" data-end=\"4846\">13,2 \u043a\u0412<\/strong><\/p>\n<\/li>\n<li data-start=\"4847\" data-end=\"4882\">\n<p data-start=\"4849\" data-end=\"4882\">\u0412\u0442\u043e\u0440\u0438\u0447\u043d\u043e\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435: <strong data-start=\"4868\" data-end=\"4882\">480Y\/277 V<\/strong><\/p>\n<\/li>\n<li data-start=\"4883\" data-end=\"4910\">\n<p data-start=\"4885\" data-end=\"4910\">\u0421\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435: <strong data-start=\"4897\" data-end=\"4910\">Delta-Wye<\/strong><\/p>\n<\/li>\n<li data-start=\"4911\" data-end=\"4933\">\n<p data-start=\"4913\" data-end=\"4933\">\u0427\u0430\u0441\u0442\u043e\u0442\u0430: <strong data-start=\"4924\" data-end=\"4933\">60 \u0413\u0446<\/strong><\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"4935\" data-end=\"4957\"><span class=\"ez-toc-section\" id=\"6_Grounding_System\"><\/span>6. \u0421\u0438\u0441\u0442\u0435\u043c\u0430 \u0437\u0430\u0437\u0435\u043c\u043b\u0435\u043d\u0438\u044f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"4959\" data-end=\"5094\">\u041d\u0435\u0439\u0442\u0440\u0430\u043b\u044c\u043d\u0430\u044f \u0442\u043e\u0447\u043a\u0430 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0430 (X0) \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0430 \u043a <strong data-start=\"5014\" data-end=\"5044\">\u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u0437\u0430\u0437\u0435\u043c\u043b\u044f\u044e\u0449\u0438\u0445 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u0434\u043e\u0432<\/strong>, \u041e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u0435 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0438 \u0437\u0430\u0449\u0438\u0442\u044b \u043e\u0442 \u0441\u0431\u043e\u0435\u0432.<\/p>\n<p data-start=\"4959\" data-end=\"5094\"><span style=\"font-size: 120%;\"><a href=\"https:\/\/yawei-powertransformer.com\/ru\/manufacturer\/500-kva-step-down-distribution-transformer-11kv-13-8kv-33kv-to-400v-480v\/\">\u041f\u043e\u0434\u0440\u043e\u0431\u043d\u0435\u0435:500 \u043a\u0412\u0410 \u0448\u0430\u0433 \u0432\u043d\u0438\u0437 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440 11kV 13.8kV 33kV \u043a 400V 480V<\/a><\/span><\/p>\n<h3 data-start=\"5096\" data-end=\"5132\"><span class=\"ez-toc-section\" id=\"7_Low_Voltage_Distribution_Panel\"><\/span>7. \u0420\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0449\u0438\u0442 \u043d\u0438\u0437\u043a\u043e\u0433\u043e \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"5134\" data-end=\"5252\">\u041f\u043e\u0441\u043b\u0435 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0430 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u044d\u043d\u0435\u0440\u0433\u0438\u044f \u043f\u043e\u0441\u0442\u0443\u043f\u0430\u0435\u0442 \u0432 <strong data-start=\"5176\" data-end=\"5212\">\u043d\u0438\u0437\u043a\u043e\u0432\u043e\u043b\u044c\u0442\u043d\u044b\u0439 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0449\u0438\u0442 \u0438\u043b\u0438 \u043f\u0430\u043d\u0435\u043b\u044c<\/strong>, \u0427\u0435\u0440\u0435\u0437 \u043a\u043e\u0442\u043e\u0440\u0443\u044e \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u0442\u0441\u044f \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u044d\u043d\u0435\u0440\u0433\u0438\u044f:<\/p>\n<ul data-start=\"5254\" data-end=\"5337\">\n<li data-start=\"5254\" data-end=\"5274\">\n<p data-start=\"5256\" data-end=\"5274\">\u0410\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0432\u044b\u043a\u043b\u044e\u0447\u0430\u0442\u0435\u043b\u0438<\/p>\n<\/li>\n<li data-start=\"5275\" data-end=\"5300\">\n<p data-start=\"5277\" data-end=\"5300\">\u0426\u0435\u043d\u0442\u0440\u044b \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0434\u0432\u0438\u0433\u0430\u0442\u0435\u043b\u044f\u043c\u0438<\/p>\n<\/li>\n<li data-start=\"5301\" data-end=\"5320\">\n<p data-start=\"5303\" data-end=\"5320\">\u041e\u0441\u0432\u0435\u0442\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u043f\u0430\u043d\u0435\u043b\u0438<\/p>\n<\/li>\n<li data-start=\"5321\" data-end=\"5337\">\n<p data-start=\"5323\" data-end=\"5337\">\u041d\u0430\u0433\u0440\u0443\u0437\u043a\u0430 \u043d\u0430 \u0437\u0434\u0430\u043d\u0438\u0435<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"5349\" data-end=\"5393\"><span class=\"ez-toc-section\" id=\"Where_500_kVA_Transformers_Are_Commonly_Used\"><\/span>\u0413\u0434\u0435 \u043e\u0431\u044b\u0447\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u044b 500 \u043a\u0412\u0410<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5395\" data-end=\"5491\">A <strong data-start=\"5397\" data-end=\"5433\">\u0420\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440 500 \u043a\u0412\u0410<\/strong> \u0448\u0438\u0440\u043e\u043a\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u044d\u043d\u0435\u0440\u0433\u0438\u0438 \u0441\u0440\u0435\u0434\u043d\u0435\u0433\u043e \u0440\u0430\u0437\u043c\u0435\u0440\u0430.<\/p>\n<h3 data-start=\"5493\" data-end=\"5517\"><span class=\"ez-toc-section\" id=\"Commercial_Buildings\"><\/span>\u041a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0438\u0435 \u0437\u0434\u0430\u043d\u0438\u044f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-start=\"5519\" data-end=\"5583\">\n<li data-start=\"5519\" data-end=\"5539\">\n<p data-start=\"5521\" data-end=\"5539\">\u041e\u0444\u0438\u0441\u043d\u044b\u0435 \u043a\u043e\u043c\u043f\u043b\u0435\u043a\u0441\u044b<\/p>\n<\/li>\n<li data-start=\"5540\" data-end=\"5550\">\n<p data-start=\"5542\" data-end=\"5550\">\u041e\u0442\u0435\u043b\u0438<\/p>\n<\/li>\n<li data-start=\"5551\" data-end=\"5569\">\n<p data-start=\"5553\" data-end=\"5569\">\u0422\u043e\u0440\u0433\u043e\u0432\u044b\u0435 \u0446\u0435\u043d\u0442\u0440\u044b<\/p>\n<\/li>\n<li data-start=\"5570\" data-end=\"5583\">\n<p data-start=\"5572\" data-end=\"5583\">\u0411\u043e\u043b\u044c\u043d\u0438\u0446\u044b<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"5585\" data-end=\"5610\"><span class=\"ez-toc-section\" id=\"Industrial_Facilities\"><\/span>\u041f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u044b\u0435 \u043e\u0431\u044a\u0435\u043a\u0442\u044b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-start=\"5612\" data-end=\"5682\">\n<li data-start=\"5612\" data-end=\"5636\">\n<p data-start=\"5614\" data-end=\"5636\">\u041f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0435 \u043f\u0440\u0435\u0434\u043f\u0440\u0438\u044f\u0442\u0438\u044f<\/p>\n<\/li>\n<li data-start=\"5637\" data-end=\"5651\">\n<p data-start=\"5639\" data-end=\"5651\">\u0421\u043a\u043b\u0430\u0434\u044b<\/p>\n<\/li>\n<li data-start=\"5652\" data-end=\"5682\">\n<p data-start=\"5654\" data-end=\"5682\">\u041f\u0440\u0435\u0434\u043f\u0440\u0438\u044f\u0442\u0438\u044f \u043f\u0438\u0449\u0435\u0432\u043e\u0439 \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u043e\u0441\u0442\u0438<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"5684\" data-end=\"5711\"><span class=\"ez-toc-section\" id=\"Infrastructure_Projects\"><\/span>\u0418\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u043d\u044b\u0435 \u043f\u0440\u043e\u0435\u043a\u0442\u044b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-start=\"5713\" data-end=\"5805\">\n<li data-start=\"5713\" data-end=\"5746\">\n<p data-start=\"5715\" data-end=\"5746\">\u041a\u043e\u043c\u043c\u0443\u043d\u0430\u043b\u044c\u043d\u044b\u0435 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0441\u0435\u0442\u0438<\/p>\n<\/li>\n<li data-start=\"5747\" data-end=\"5776\">\n<p data-start=\"5749\" data-end=\"5776\">\u041f\u0440\u043e\u0435\u043a\u0442\u044b \u0432 \u043e\u0431\u043b\u0430\u0441\u0442\u0438 \u0432\u043e\u0437\u043e\u0431\u043d\u043e\u0432\u043b\u044f\u0435\u043c\u044b\u0445 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u043e\u0432 \u044d\u043d\u0435\u0440\u0433\u0438\u0438<\/p>\n<\/li>\n<li data-start=\"5777\" data-end=\"5805\">\n<p data-start=\"5779\" data-end=\"5805\">\u041c\u0443\u043d\u0438\u0446\u0438\u043f\u0430\u043b\u044c\u043d\u0430\u044f \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5807\" data-end=\"5935\">\u0411\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u0441\u0432\u043e\u0435\u0439 \u0441\u0431\u0430\u043b\u0430\u043d\u0441\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u0438 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440 500 \u043a\u0412\u0410 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 <strong data-start=\"5872\" data-end=\"5934\">\u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0435 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u044d\u043d\u0435\u0440\u0433\u0438\u0438 \u0431\u0435\u0437 \u043f\u0435\u0440\u0435\u0433\u0440\u0443\u0437\u043a\u0438 \u0441\u0438\u0441\u0442\u0435\u043c\u044b<\/strong>.<\/p>\n<h2 data-start=\"5947\" data-end=\"6006\"><span class=\"ez-toc-section\" id=\"Design_Standards_for_Transformers_Used_in_the_United_States\"><\/span>\u0421\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u044b \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u043e\u0432, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u044b\u0445 \u0432 \u0421\u0428\u0410<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"6008\" data-end=\"6096\">\u0422\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u044b, \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u043c\u044b\u0435 \u0432 \u0421\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u043d\u044b\u0445 \u0428\u0442\u0430\u0442\u0430\u0445, \u0434\u043e\u043b\u0436\u043d\u044b \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u043e\u0432\u0430\u0442\u044c \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u043c \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u044b\u043c \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430\u043c.<\/p>\n<h3 data-start=\"6098\" data-end=\"6117\"><span class=\"ez-toc-section\" id=\"Major_Standards\"><\/span>\u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u044b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-start=\"6119\" data-end=\"6252\">\n<li data-start=\"6119\" data-end=\"6140\">\n<p data-start=\"6121\" data-end=\"6140\"><strong data-start=\"6121\" data-end=\"6140\">\u0421\u0435\u0440\u0438\u044f ANSI C57<\/strong><\/p>\n<\/li>\n<li data-start=\"6141\" data-end=\"6173\">\n<p data-start=\"6143\" data-end=\"6173\"><strong data-start=\"6143\" data-end=\"6173\">\u0421\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u044b \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u043e\u0432 IEEE<\/strong><\/p>\n<\/li>\n<li data-start=\"6174\" data-end=\"6214\">\n<p data-start=\"6176\" data-end=\"6214\"><strong data-start=\"6176\" data-end=\"6214\">\u0422\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f \u041c\u0438\u043d\u0438\u0441\u0442\u0435\u0440\u0441\u0442\u0432\u0430 \u044d\u043d\u0435\u0440\u0433\u0435\u0442\u0438\u043a\u0438 \u043a \u044d\u043d\u0435\u0440\u0433\u043e\u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u0438<\/strong><\/p>\n<\/li>\n<li data-start=\"6215\" data-end=\"6252\">\n<p data-start=\"6217\" data-end=\"6252\"><strong data-start=\"6217\" data-end=\"6252\">\u0422\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0438 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0430 NEMA<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"6254\" data-end=\"6279\">\u042d\u0442\u0438 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u044b \u0440\u0435\u0433\u0443\u043b\u0438\u0440\u0443\u044e\u0442:<\/p>\n<ul data-start=\"6281\" data-end=\"6376\">\n<li data-start=\"6281\" data-end=\"6302\">\n<p data-start=\"6283\" data-end=\"6302\">\u0423\u0440\u043e\u0432\u043d\u0438 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u0438<\/p>\n<\/li>\n<li data-start=\"6303\" data-end=\"6330\">\n<p data-start=\"6305\" data-end=\"6330\">\u0422\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f \u043a \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u0438<\/p>\n<\/li>\n<li data-start=\"6331\" data-end=\"6353\">\n<p data-start=\"6333\" data-end=\"6353\">\u041f\u0440\u043e\u0446\u0435\u0434\u0443\u0440\u044b \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f<\/p>\n<\/li>\n<li data-start=\"6354\" data-end=\"6376\">\n<p data-start=\"6356\" data-end=\"6376\">\u041f\u043e\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u0438 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"6378\" data-end=\"6478\">\u041f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0438, \u044d\u043a\u0441\u043f\u043e\u0440\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u043f\u0440\u043e\u0434\u0443\u043a\u0446\u0438\u044e \u043d\u0430 \u0430\u043c\u0435\u0440\u0438\u043a\u0430\u043d\u0441\u043a\u0438\u0439 \u0440\u044b\u043d\u043e\u043a, \u0434\u043e\u043b\u0436\u043d\u044b \u0443\u0431\u0435\u0434\u0438\u0442\u044c\u0441\u044f, \u0447\u0442\u043e \u0438\u0445 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u044b \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0442 \u044d\u0442\u0438\u043c \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f\u043c.<\/p>\n<h2 data-start=\"6490\" data-end=\"6546\"><span class=\"ez-toc-section\" id=\"500_kVA_Distribution_Transformers_from_Yawei_Transformer\"><\/span>\u0420\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u044b 500 \u043a\u0412\u0410 \u043e\u0442 Yawei Transformer<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"6548\" data-end=\"6688\"><strong data-start=\"6548\" data-end=\"6569\">\u0422\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440 Yawei<\/strong> \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u0440\u043e\u0444\u0435\u0441\u0441\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u044b\u043c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c, \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u0443\u044e\u0449\u0438\u043c\u0441\u044f \u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0441\u0442\u0432\u0435 \u0441\u0440\u0435\u0434\u043d\u0435\u0432\u043e\u043b\u044c\u0442\u043d\u044b\u0445 \u0438 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u043e\u0432 \u0434\u043b\u044f \u043c\u0435\u0436\u0434\u0443\u043d\u0430\u0440\u043e\u0434\u043d\u044b\u0445 \u0440\u044b\u043d\u043a\u043e\u0432.<\/p>\n<p data-start=\"6690\" data-end=\"6724\"><strong>\u041d\u0430\u0448\u0438 \u0440\u0435\u0448\u0435\u043d\u0438\u044f \u0432 \u043e\u0431\u043b\u0430\u0441\u0442\u0438 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u043e\u0432 \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0442 \u0432 \u0441\u0435\u0431\u044f:<\/strong><\/p>\n<ul data-start=\"6726\" data-end=\"6875\">\n<li data-start=\"6726\" data-end=\"6764\">\n<p data-start=\"6728\" data-end=\"6764\"><strong data-start=\"6728\" data-end=\"6764\">\u0422\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u044b \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u044c\u044e 500 \u043a\u0412\u0410, \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u043c\u044b\u0435 \u043d\u0430 \u043f\u043b\u043e\u0449\u0430\u0434\u043a\u0430\u0445<\/strong><\/p>\n<\/li>\n<li data-start=\"6765\" data-end=\"6809\">\n<p data-start=\"6767\" data-end=\"6809\"><a href=\"https:\/\/yawei-powertransformer.com\/ru\/Wholesale\/distribution-transformers\/\"><strong data-start=\"6767\" data-end=\"6809\">\u043c\u0430\u0441\u043b\u044f\u043d\u044b\u0435 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u044b<\/strong><\/a><\/p>\n<\/li>\n<li data-start=\"6765\" data-end=\"6809\"><a href=\"https:\/\/yawei-powertransformer.com\/ru\/manufacturer\/500-kva-dry-type-cast-resin-transformer-three-phase-power-transformer-480v-400v-230v-11kv-13-2kv-15kv-20kv\/\"><strong>\u0422\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440 \u0441\u0443\u0445\u043e\u0433\u043e \u0442\u0438\u043f\u0430 \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u044c\u044e 500 \u043a\u0412\u0410<\/strong><\/a><\/li>\n<li data-start=\"6810\" data-end=\"6839\">\n<p data-start=\"6812\" data-end=\"6839\"><a href=\"https:\/\/yawei-powertransformer.com\/ru\/wholesale\/%d1%82%d1%80%d0%b0%d0%bd%d1%81%d1%84%d0%be%d1%80%d0%bc%d0%b0%d1%82%d0%be%d1%80%d1%8b-%d0%bf%d0%be%d0%b4%d1%81%d1%82%d0%b0%d0%bd%d1%86%d0%b8%d0%b9\/\"><strong data-start=\"6812\" data-end=\"6839\">\u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u044b \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u0446\u0438\u0439<\/strong><\/a><\/p>\n<\/li>\n<li data-start=\"6840\" data-end=\"6875\">\n<p data-start=\"6842\" data-end=\"6875\"><strong data-start=\"6842\" data-end=\"6875\">\u043d\u0435\u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u044b\u0435 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u0438 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"6877\" data-end=\"6915\"><strong>\u0422\u0438\u043f\u0438\u0447\u043d\u044b\u0435 \u044d\u043a\u0441\u043f\u043e\u0440\u0442\u043d\u044b\u0435 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0442:<\/strong><\/p>\n<ul data-start=\"6917\" data-end=\"7119\">\n<li data-start=\"6917\" data-end=\"6978\">\n<p data-start=\"6919\" data-end=\"6978\">\u041f\u0435\u0440\u0432\u0438\u0447\u043d\u043e\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435: <strong data-start=\"6936\" data-end=\"6978\">12,47 \u043a\u0412 \/ 13,2 \u043a\u0412 \/ 13,8 \u043a\u0412 \/ 34,5 \u043a\u0412<\/strong><\/p>\n<\/li>\n<li data-start=\"6979\" data-end=\"7025\">\n<p data-start=\"6981\" data-end=\"7025\">\u0412\u0442\u043e\u0440\u0438\u0447\u043d\u043e\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435: <strong data-start=\"7000\" data-end=\"7025\">480Y\/277V \/ 208Y\/120V<\/strong><\/p>\n<\/li>\n<li data-start=\"7026\" data-end=\"7048\">\n<p data-start=\"7028\" data-end=\"7048\">\u0427\u0430\u0441\u0442\u043e\u0442\u0430: <strong data-start=\"7039\" data-end=\"7048\">60 \u0413\u0446<\/strong><\/p>\n<\/li>\n<li data-start=\"7049\" data-end=\"7073\">\n<p data-start=\"7051\" data-end=\"7073\">\u0422\u0438\u043f \u043e\u0445\u043b\u0430\u0436\u0434\u0435\u043d\u0438\u044f: <strong data-start=\"7065\" data-end=\"7073\">ONAN<\/strong><\/p>\n<\/li>\n<li data-start=\"7074\" data-end=\"7119\">\n<p data-start=\"7076\" data-end=\"7119\">\u0421\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u044b: <strong data-start=\"7087\" data-end=\"7119\">\u042d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u044c ANSI \/ IEEE \/ DOE<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"7121\" data-end=\"7322\">\u0411\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u0441\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u043c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u043c \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u044f\u043c \u0438 \u0441\u0442\u0440\u043e\u0433\u043e\u043c\u0443 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044e \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0430 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Yawei Transformer \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u0435\u0442 \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0435 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u043d\u044b\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u043a\u043e\u043c\u043c\u0443\u043d\u0430\u043b\u044c\u043d\u044b\u0445 \u0441\u043b\u0443\u0436\u0431, EPC-\u043f\u043e\u0434\u0440\u044f\u0434\u0447\u0438\u043a\u043e\u0432 \u0438 \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u044b\u0445 \u044d\u043d\u0435\u0440\u0433\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432 \u043f\u043e \u0432\u0441\u0435\u043c\u0443 \u043c\u0438\u0440\u0443.<\/p>\n<h2 data-start=\"7334\" data-end=\"7366\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions_FAQ\"><\/span>\u0427\u0430\u0441\u0442\u043e \u0437\u0430\u0434\u0430\u0432\u0430\u0435\u043c\u044b\u0435 \u0432\u043e\u043f\u0440\u043e\u0441\u044b (FAQ)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 data-start=\"7368\" data-end=\"7410\"><span class=\"ez-toc-section\" id=\"What_is_a_transformer_unifilar_diagram\"><\/span>\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 \u0443\u043d\u0438\u0444\u0438\u043b\u044f\u0440\u043d\u0430\u044f \u0434\u0438\u0430\u0433\u0440\u0430\u043c\u043c\u0430 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0430?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"7412\" data-end=\"7631\">\u0423\u043d\u0438\u0444\u0438\u043b\u044f\u0440\u043d\u0430\u044f \u0441\u0445\u0435\u043c\u0430 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0430 - \u044d\u0442\u043e \u0443\u043f\u0440\u043e\u0449\u0435\u043d\u043d\u044b\u0439 \u044d\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0447\u0435\u0440\u0442\u0435\u0436, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u0442\u0440\u0435\u0445\u0444\u0430\u0437\u043d\u0443\u044e \u0441\u0438\u0441\u0442\u0435\u043c\u0443 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u0441\u043d\u0430\u0431\u0436\u0435\u043d\u0438\u044f \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043e\u0434\u043d\u043e\u0439 \u043b\u0438\u043d\u0438\u0438. \u041d\u0430 \u043d\u0435\u0439 \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u044b \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f \u043c\u0435\u0436\u0434\u0443 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0430\u043c\u0438, \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u043c\u0438 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430\u043c\u0438, \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430\u043c\u0438 \u0437\u0430\u0449\u0438\u0442\u044b \u0438 \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0430\u043c\u0438.<\/p>\n<h3 data-start=\"7638\" data-end=\"7712\"><span class=\"ez-toc-section\" id=\"What_voltage_is_typical_for_a_500_kVA_transformer_in_the_United_States\"><\/span>\u041a\u0430\u043a\u043e\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u043d\u043e \u0434\u043b\u044f \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0430 \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u044c\u044e 500 \u043a\u0412\u0410 \u0432 \u0421\u0428\u0410?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"7714\" data-end=\"7746\">\u0422\u0438\u043f\u0438\u0447\u043d\u044b\u0435 \u043d\u043e\u043c\u0438\u043d\u0430\u043b\u044b \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0442:<\/p>\n<ul data-start=\"7748\" data-end=\"7810\">\n<li data-start=\"7748\" data-end=\"7782\">\n<p data-start=\"7750\" data-end=\"7782\">\u041e\u0441\u043d\u043e\u0432\u043d\u043e\u0439: <strong data-start=\"7759\" data-end=\"7782\">12,47 \u043a\u0412 \u0438\u043b\u0438 13,2 \u043a\u0412<\/strong><\/p>\n<\/li>\n<li data-start=\"7783\" data-end=\"7810\">\n<p data-start=\"7785\" data-end=\"7810\">\u0412\u0442\u043e\u0440\u0438\u0447\u043d\u044b\u0439: <strong data-start=\"7796\" data-end=\"7810\">480Y\/277 V<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"7812\" data-end=\"7886\">\u0422\u0430\u043a\u0430\u044f \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u044f \u0448\u0438\u0440\u043e\u043a\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0432 \u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0438\u0445 \u0438 \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u044b\u0445 \u043e\u0431\u044a\u0435\u043a\u0442\u0430\u0445.<\/p>\n<h3 data-start=\"7893\" data-end=\"7938\"><span class=\"ez-toc-section\" id=\"What_does_Delta%E2%80%93Wye_mean_in_a_transformer\"><\/span>\u0427\u0442\u043e \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442 \"\u0434\u0435\u043b\u044c\u0442\u0430-\u043a\u0440\u0430\u0441\u043d\u044b\u0439\" \u0432 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0435?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"7940\" data-end=\"8141\">\u0414\u0435\u043b\u044c\u0442\u0430-\u0412\u0430\u0439 \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u044e \u043e\u0431\u043c\u043e\u0442\u043e\u043a \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0430, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043f\u0435\u0440\u0432\u0438\u0447\u043d\u0430\u044f \u0441\u0442\u043e\u0440\u043e\u043d\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 <strong data-start=\"8028\" data-end=\"8048\">\u0434\u0435\u043b\u044c\u0442\u0430-\u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435<\/strong> \u0430 \u043d\u0430 \u0432\u0442\u043e\u0440\u0438\u0447\u043d\u043e\u0439 \u0441\u0442\u043e\u0440\u043e\u043d\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f <strong data-start=\"8079\" data-end=\"8104\">\u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 \"\u0432\u043e\u043b\u043d\u0430\" (\u0437\u0432\u0435\u0437\u0434\u0430)<\/strong>, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044f \u0437\u0430\u0437\u0435\u043c\u043b\u0435\u043d\u043d\u0443\u044e \u043d\u0435\u0439\u0442\u0440\u0430\u043b\u044c\u043d\u0443\u044e \u0442\u043e\u0447\u043a\u0443.<\/p>\n<h3 data-start=\"8148\" data-end=\"8188\"><span class=\"ez-toc-section\" id=\"Is_500_kVA_a_common_transformer_size\"><\/span>\u042f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043b\u0438 500 \u043a\u0412\u0410 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043d\u044b\u043c \u0440\u0430\u0437\u043c\u0435\u0440\u043e\u043c \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0430?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"8190\" data-end=\"8321\">\u0414\u0430. \u0422\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440 \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u044c\u044e 500 \u043a\u0412\u0410 - \u044d\u0442\u043e \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043d\u044b\u0439 \u0440\u0430\u0437\u043c\u0435\u0440, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u044b\u0439 \u0434\u043b\u044f \u0441\u0440\u0435\u0434\u043d\u0438\u0445 \u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0438\u0445 \u0437\u0434\u0430\u043d\u0438\u0439, \u0437\u0430\u0432\u043e\u0434\u043e\u0432 \u0438 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u0441\u0435\u0442\u0435\u0439.<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\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 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For facilities that require a 500 kVA distribution transformer, the unifilar diagram provides a simplified overview of the electrical network, including the medium-voltage supply, transformer connections, protection devices, [&#8230;]\n","protected":false},"author":3,"featured_media":2147,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[345,344,341,227,347,293,228,343,346,342],"class_list":["post-2143","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-13-2-kv-to-480v-transformer","tag-500-kva-distribution-transformer","tag-500-kva-transformer","tag-dry-type-transformer","tag-electrical-power-distribution-system","tag-oil-immersed-transformer","tag-pad-mounted-transformer","tag-single-line-diagram-transformer","tag-three-phase-transformer-diagram","tag-transformer-unifilar-diagram"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>500 kVA Transformer Unifilar Diagram Explained for United States Electrical Systems | ANSI Distribution Transformer Guide | Yawei Transformer<\/title>\n<meta name=\"description\" content=\"Learn how a 500 kVA transformer unifilar diagram is used in United States electrical power systems, including typical voltage configurations such as 13.2 kV to 480Y\/277V, transformer connection types, grounding methods, and protection equipment. This guide explains the key components of a single-line diagram for 500 kVA distribution transformers, helping engineers, EPC contractors, and industrial project managers understand transformer integration in commercial and utility power networks.The article also covers common applications of 500 kVA three-phase transformers, design considerations for U.S. electrical standards, and best practices for medium-voltage to low-voltage power distribution systems. Whether you are designing a facility power system, preparing electrical documentation, or sourcing transformers for infrastructure projects, understanding a clear transformer unifilar diagram is essential for safe and efficient power system planning.Yawei Transformer is a professional transformer manufacturer and supplier from China, providing custom 500 kVA distribution transformers, dry type transformers, oil immersed transformers, and pad mounted transformers for global power utilities, EPC contractors, and industrial applications.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/\" \/>\n<meta property=\"og:locale\" content=\"ru_RU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"500 kVA Transformer Unifilar Diagram Explained for United States Electrical Systems | ANSI Distribution Transformer Guide | Yawei Transformer\" \/>\n<meta property=\"og:description\" content=\"Learn how a 500 kVA transformer unifilar diagram is used in United States electrical power systems, including typical voltage configurations such as 13.2 kV to 480Y\/277V, transformer connection types, grounding methods, and protection equipment. This guide explains the key components of a single-line diagram for 500 kVA distribution transformers, helping engineers, EPC contractors, and industrial project managers understand transformer integration in commercial and utility power networks.The article also covers common applications of 500 kVA three-phase transformers, design considerations for U.S. electrical standards, and best practices for medium-voltage to low-voltage power distribution systems. Whether you are designing a facility power system, preparing electrical documentation, or sourcing transformers for infrastructure projects, understanding a clear transformer unifilar diagram is essential for safe and efficient power system planning.Yawei Transformer is a professional transformer manufacturer and supplier from China, providing custom 500 kVA distribution transformers, dry type transformers, oil immersed transformers, and pad mounted transformers for global power utilities, EPC contractors, and industrial applications.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/\" \/>\n<meta property=\"og:site_name\" content=\"Electrical Power Transformer Manufacturer | 0.11\u2013500kV, 15kVA\u20131200MVA \u2013 Sichuan Yawei Transformer\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-05T06:21:45+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-24T06:47:18+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Transformer-Unifilar-Diagram-Explained-for-United-States-Electrical-Systems.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"900\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Yawei Transformer\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u041d\u0430\u043f\u0438\u0441\u0430\u043d\u043e \u0430\u0432\u0442\u043e\u0440\u043e\u043c\" \/>\n\t<meta name=\"twitter:data1\" content=\"Yawei Transformer\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u041f\u0440\u0438\u043c\u0435\u0440\u043d\u043e\u0435 \u0432\u0440\u0435\u043c\u044f \u0434\u043b\u044f \u0447\u0442\u0435\u043d\u0438\u044f\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u043c\u0438\u043d\u0443\u0442\u0430\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/yawei-powertransformer.com\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/\",\"url\":\"https:\/\/yawei-powertransformer.com\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/\",\"name\":\"500 kVA Transformer Unifilar Diagram Explained for United States Electrical Systems | ANSI Distribution Transformer Guide | Yawei Transformer\",\"isPartOf\":{\"@id\":\"https:\/\/yawei-powertransformer.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/yawei-powertransformer.com\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/yawei-powertransformer.com\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Transformer-Unifilar-Diagram-Explained-for-United-States-Electrical-Systems.webp\",\"datePublished\":\"2026-03-05T06:21:45+00:00\",\"dateModified\":\"2026-03-24T06:47:18+00:00\",\"author\":{\"@id\":\"https:\/\/yawei-powertransformer.com\/#\/schema\/person\/0ae22f493b65e21297ff883a900a4406\"},\"description\":\"Learn how a 500 kVA transformer unifilar diagram is used in United States electrical power systems, including typical voltage configurations such as 13.2 kV to 480Y\/277V, transformer connection types, grounding methods, and protection equipment. 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This guide explains the key components of a single-line diagram for 500 kVA distribution transformers, helping engineers, EPC contractors, and industrial project managers understand transformer integration in commercial and utility power networks.The article also covers common applications of 500 kVA three-phase transformers, design considerations for U.S. electrical standards, and best practices for medium-voltage to low-voltage power distribution systems. Whether you are designing a facility power system, preparing electrical documentation, or sourcing transformers for infrastructure projects, understanding a clear transformer unifilar diagram is essential for safe and efficient power system planning.Yawei Transformer is a professional transformer manufacturer and supplier from China, providing custom 500 kVA distribution transformers, dry type transformers, oil immersed transformers, and pad mounted transformers for global power utilities, EPC contractors, and industrial applications.","og_url":"https:\/\/yawei-powertransformer.com\/ru\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/","og_site_name":"Electrical Power Transformer Manufacturer | 0.11\u2013500kV, 15kVA\u20131200MVA \u2013 Sichuan Yawei Transformer","article_published_time":"2026-03-05T06:21:45+00:00","article_modified_time":"2026-03-24T06:47:18+00:00","og_image":[{"width":900,"height":600,"url":"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Transformer-Unifilar-Diagram-Explained-for-United-States-Electrical-Systems.webp","type":"image\/webp"}],"author":"Yawei Transformer","twitter_card":"summary_large_image","twitter_misc":{"\u041d\u0430\u043f\u0438\u0441\u0430\u043d\u043e \u0430\u0432\u0442\u043e\u0440\u043e\u043c":"Yawei Transformer","\u041f\u0440\u0438\u043c\u0435\u0440\u043d\u043e\u0435 \u0432\u0440\u0435\u043c\u044f \u0434\u043b\u044f \u0447\u0442\u0435\u043d\u0438\u044f":"1 \u043c\u0438\u043d\u0443\u0442\u0430"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/yawei-powertransformer.com\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/","url":"https:\/\/yawei-powertransformer.com\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/","name":"\u0423\u043d\u0438\u0444\u0438\u043b\u044f\u0440\u043d\u0430\u044f \u0441\u0445\u0435\u043c\u0430 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0430 500 \u043a\u0412\u0410 \u0441 \u043f\u043e\u044f\u0441\u043d\u0435\u043d\u0438\u044f\u043c\u0438 \u0434\u043b\u044f \u044d\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u0421\u0428\u0410 | ANSI Distribution Transformer Guide | Yawei Transformer","isPartOf":{"@id":"https:\/\/yawei-powertransformer.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/yawei-powertransformer.com\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#primaryimage"},"image":{"@id":"https:\/\/yawei-powertransformer.com\/500-kva-transformer-unifilar-diagram-explained-for-united-states-electrical-systems\/#primaryimage"},"thumbnailUrl":"https:\/\/yawei-powertransformer.com\/wp-content\/uploads\/2026\/03\/500-kVA-Transformer-Unifilar-Diagram-Explained-for-United-States-Electrical-Systems.webp","datePublished":"2026-03-05T06:21:45+00:00","dateModified":"2026-03-24T06:47:18+00:00","author":{"@id":"https:\/\/yawei-powertransformer.com\/#\/schema\/person\/0ae22f493b65e21297ff883a900a4406"},"description":"\u0423\u0437\u043d\u0430\u0439\u0442\u0435, \u043a\u0430\u043a \u043e\u0434\u043d\u043e\u043b\u0438\u043d\u0435\u0439\u043d\u0430\u044f \u0441\u0445\u0435\u043c\u0430 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0430 500 \u043a\u0412\u0410 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0432 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u044d\u043d\u0435\u0440\u0433\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u0421\u0428\u0410, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u0442\u0438\u043f\u0438\u0447\u043d\u044b\u0435 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u0438 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f, \u0442\u0430\u043a\u0438\u0435 \u043a\u0430\u043a 13,2 \u043a\u0412 - 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