{"id":2155,"date":"2026-03-13T08:48:55","date_gmt":"2026-03-13T08:48:55","guid":{"rendered":"https:\/\/yawei-powertransformer.com\/?p=2155"},"modified":"2026-03-13T08:55:44","modified_gmt":"2026-03-13T08:55:44","slug":"how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems","status":"publish","type":"post","link":"https:\/\/yawei-powertransformer.com\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/","title":{"rendered":"\u0643\u064a\u0641\u064a\u0629 \u062d\u0633\u0627\u0628 \u062d\u062c\u0645 \u0627\u0644\u0645\u062d\u0648\u0644 (kVA): \u0627\u0644\u062f\u0644\u064a\u0644 \u0627\u0644\u0643\u0627\u0645\u0644 \u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0648\u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 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\">\u062c\u062f\u0648\u0644 \u0627\u0644\u0645\u062d\u062a\u0648\u064a\u0627\u062a<\/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;\">\u062a\u0628\u062f\u064a\u0644<\/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\" 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href=\"https:\/\/yawei-powertransformer.com\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#What_Is_Transformer_kVA_Rating\" >\u0645\u0627 \u0647\u0648 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0645\u062d\u0648\u0644 kVA\u061f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/yawei-powertransformer.com\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Power_Formula\" >\u0645\u0639\u0627\u062f\u0644\u0629 \u0627\u0644\u0637\u0627\u0642\u0629<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/yawei-powertransformer.com\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Basic_Transformer_Sizing_Formula\" >\u0645\u0639\u0627\u062f\u0644\u0629 \u062a\u062d\u062c\u064a\u0645 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/yawei-powertransformer.com\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Single-Phase_Transformer_Formula\" >\u0635\u064a\u063a\u0629 \u0627\u0644\u0645\u062d\u0648\u0644 \u0623\u062d\u0627\u062f\u064a \u0627\u0644\u0637\u0648\u0631<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/yawei-powertransformer.com\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Three-Phase_Transformer_Formula\" >\u0635\u064a\u063a\u0629 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u062b\u0644\u0627\u062b\u064a\u0629 \u0627\u0644\u0623\u0637\u0648\u0627\u0631<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/yawei-powertransformer.com\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Example_Industrial_Transformer_Sizing_Calculation\" >\u0645\u062b\u0627\u0644: \u062d\u0633\u0627\u0628 \u062a\u062d\u062c\u064a\u0645 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><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\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Industrial_Facility_Load\" >\u062d\u0645\u0648\u0644\u0629 \u0627\u0644\u0645\u0646\u0634\u0623\u0629 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629<\/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\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Transformer_Capacity_Calculation\" >\u062d\u0633\u0627\u0628 \u0633\u0639\u0629 \u0627\u0644\u0645\u062d\u0648\u0644<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/yawei-powertransformer.com\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Standard_Transformer_Sizes_Used_in_Industry\" >\u0623\u062d\u062c\u0627\u0645 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645\u0629 \u0641\u064a \u0627\u0644\u0635\u0646\u0627\u0639\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/yawei-powertransformer.com\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Transformer_Oversizing_vs_Undersizing\" >\u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u062d\u062c\u0645 \u0627\u0644\u0643\u0628\u064a\u0631 \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u062d\u062c\u0645 \u0627\u0644\u0635\u063a\u064a\u0631<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/yawei-powertransformer.com\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Undersized_Transformer_Risks\" >\u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u062d\u062c\u0645 \u063a\u064a\u0631 \u0627\u0644\u0645\u0646\u0627\u0633\u0628<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/yawei-powertransformer.com\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Oversized_Transformer_Problems\" >\u0645\u0634\u0627\u0643\u0644 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0643\u0628\u064a\u0631\u0629 \u0627\u0644\u062d\u062c\u0645<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/yawei-powertransformer.com\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Factors_That_Affect_Transformer_Capacity_Selection\" >\u0627\u0644\u0639\u0648\u0627\u0645\u0644 \u0627\u0644\u062a\u064a \u062a\u0624\u062b\u0631 \u0639\u0644\u0649 \u0627\u062e\u062a\u064a\u0627\u0631 \u0633\u0639\u0629 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/yawei-powertransformer.com\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#1_Load_Type\" >1. \u0646\u0648\u0639 \u0627\u0644\u062d\u0645\u0648\u0644\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/yawei-powertransformer.com\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#2_Future_Expansion\" >2. \u0627\u0644\u062a\u0648\u0633\u0639 \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u064a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/yawei-powertransformer.com\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#3_Ambient_Temperature\" >3. \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u062d\u064a\u0637\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/yawei-powertransformer.com\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#4_Harmonic_Loads\" >4. \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0645\u062a\u0646\u0627\u0633\u0642\u0629<\/a><\/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\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#5_Duty_Cycle\" >5. \u062f\u0648\u0631\u0629 \u0627\u0644\u0639\u0645\u0644<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/yawei-powertransformer.com\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Choosing_the_Right_Transformer_Type\" >\u0627\u062e\u062a\u064a\u0627\u0631 \u0646\u0648\u0639 \u0627\u0644\u0645\u062d\u0648\u0644 \u0627\u0644\u0645\u0646\u0627\u0633\u0628<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/yawei-powertransformer.com\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Pad-Mounted_Transformers\" >\u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0645\u062b\u0628\u062a\u0629 \u0639\u0644\u0649 \u0627\u0644\u0648\u0633\u0627\u062f\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/yawei-powertransformer.com\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Pole-Mounted_Transformers\" >\u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0645\u062b\u0628\u062a\u0629 \u0639\u0644\u0649 \u0639\u0645\u0648\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/yawei-powertransformer.com\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Substation_Transformers\" >\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0645\u062d\u0637\u0627\u062a \u0627\u0644\u0641\u0631\u0639\u064a\u0629<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/yawei-powertransformer.com\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Typical_Transformer_Voltage_Combinations\" >\u0645\u062c\u0645\u0648\u0639\u0627\u062a \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a \u0644\u0644\u0645\u062d\u0648\u0644 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/yawei-powertransformer.com\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Best_Practices_for_Transformer_Selection\" >\u0623\u0641\u0636\u0644 \u0627\u0644\u0645\u0645\u0627\u0631\u0633\u0627\u062a \u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/yawei-powertransformer.com\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Conclusion\" >\u0627\u0644\u062e\u0627\u062a\u0645\u0629<\/a><\/li><\/ul><\/nav><\/div>\n<h2 data-section-id=\"13ax1s5\" data-start=\"192\" data-end=\"207\"><span class=\"ez-toc-section\" id=\"Introduction\"><\/span>\u0645\u0642\u062f\u0645\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"209\" data-end=\"510\">\u064a\u0639\u062f \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u062d\u062c\u0645 \u0627\u0644\u0635\u062d\u064a\u062d \u0644\u0644\u0645\u062d\u0648\u0644 \u0623\u062d\u062f \u0623\u0647\u0645 \u0627\u0644\u0642\u0631\u0627\u0631\u0627\u062a \u0641\u064a \u062a\u0635\u0645\u064a\u0645 \u0646\u0638\u0627\u0645 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629. \u0642\u062f \u064a\u0624\u062f\u064a \u0627\u0644\u0645\u062d\u0648\u0644 \u0630\u0648 \u0627\u0644\u062d\u062c\u0645 \u0627\u0644\u0635\u063a\u064a\u0631 \u0625\u0644\u0649 \u0627\u0631\u062a\u0641\u0627\u0639 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0648\u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u062c\u0647\u062f \u0648\u062a\u0639\u0637\u0644 \u0627\u0644\u0645\u0639\u062f\u0627\u062a\u060c \u0641\u064a \u062d\u064a\u0646 \u0623\u0646 \u0627\u0644\u0645\u062d\u0648\u0644 \u0630\u0648 \u0627\u0644\u062d\u062c\u0645 \u0627\u0644\u0643\u0628\u064a\u0631 \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u062a\u0643\u0627\u0644\u064a\u0641 \u0627\u0633\u062a\u062b\u0645\u0627\u0631\u064a\u0629 \u063a\u064a\u0631 \u0636\u0631\u0648\u0631\u064a\u0629 \u0648\u062e\u0633\u0627\u0626\u0631 \u0623\u0639\u0644\u0649 \u0641\u064a \u062d\u0627\u0644\u0629 \u0639\u062f\u0645 \u0627\u0644\u062a\u062d\u0645\u064a\u0644.<\/p>\n<p data-start=\"512\" data-end=\"701\">\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0645\u0647\u0646\u062f\u0633\u064a\u0646\u060c \u0648\u0627\u0644\u0645\u0642\u0627\u0648\u0644\u064a\u0646\u060c \u0648\u0645\u062f\u064a\u0631\u064a \u0627\u0644\u0645\u0646\u0634\u0622\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629\u060c \u0641\u0625\u0646 \u0641\u0647\u0645 <strong data-start=\"588\" data-end=\"635\">\u0643\u064a\u0641\u064a\u0629 \u062d\u0633\u0627\u0628 \u0633\u0639\u0629 \u0627\u0644\u0645\u062d\u0648\u0644 (\u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631)<\/strong> \u0636\u0631\u0648\u0631\u064a \u0644\u0636\u0645\u0627\u0646 \u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0637\u0627\u0642\u0629 \u0628\u0634\u0643\u0644 \u0645\u0648\u062b\u0648\u0642 \u0648\u0641\u0639\u0627\u0644.<\/p>\n<p data-start=\"703\" data-end=\"878\">\u0641\u064a \u0647\u0630\u0627 \u0627\u0644\u062f\u0644\u064a\u0644\u060c \u0646\u0634\u0631\u062d \u0641\u064a \u0647\u0630\u0627 \u0627\u0644\u062f\u0644\u064a\u0644 <strong data-start=\"733\" data-end=\"829\">\u0645\u0639\u0627\u062f\u0644\u0629 \u062a\u062d\u062c\u064a\u0645 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a\u060c \u0648\u0637\u0631\u0642 \u0627\u0644\u062d\u0633\u0627\u0628\u060c \u0648\u0627\u0644\u0623\u0645\u062b\u0644\u0629 \u0627\u0644\u062d\u0642\u064a\u0642\u064a\u0629\u060c \u0648\u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0639\u0645\u0644\u064a\u0629<\/strong> \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645\u0629 \u0641\u064a \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0648\u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629.<\/p>\n<hr data-start=\"880\" data-end=\"883\" \/>\n<h1 data-section-id=\"1kf66y1\" data-start=\"885\" data-end=\"918\"><span class=\"ez-toc-section\" id=\"What_Is_Transformer_kVA_Rating\"><\/span>\u0645\u0627 \u0647\u0648 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0645\u062d\u0648\u0644 kVA\u061f<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"920\" data-end=\"1017\">\u0639\u0627\u062f\u0629 \u0645\u0627 \u064a\u062a\u0645 \u0627\u0644\u062a\u0639\u0628\u064a\u0631 \u0639\u0646 \u0633\u0639\u0629 \u0627\u0644\u0645\u062d\u0648\u0644 \u0639\u0627\u062f\u0629\u064b \u0628\u0648\u062d\u062f\u0629 <strong data-start=\"976\" data-end=\"1001\">\u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 (\u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631)<\/strong> \u0628\u062f\u0644\u0627\u064b \u0645\u0646 kW.<\/p>\n<p data-start=\"1019\" data-end=\"1096\">\u0648\u064a\u0631\u062c\u0639 \u0630\u0644\u0643 \u0625\u0644\u0649 \u0623\u0646 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u062a\u0642\u062f\u0645 <strong data-start=\"1056\" data-end=\"1074\">\u0627\u0644\u0642\u0648\u0629 \u0627\u0644\u0638\u0627\u0647\u0631\u0629<\/strong>, \u060c \u0648\u0627\u0644\u062a\u064a \u062a\u0634\u0645\u0644 \u0643\u0644\u0627\u0647\u0645\u0627:<\/p>\n<ul data-start=\"1098\" data-end=\"1239\">\n<li data-section-id=\"6ele9r\" data-start=\"1098\" data-end=\"1158\">\n<p data-start=\"1100\" data-end=\"1158\"><strong data-start=\"1100\" data-end=\"1121\">\u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0646\u0634\u0637\u0629 (\u0643\u064a\u0644\u0648\u0648\u0627\u0637)<\/strong> - \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u062d\u0642\u064a\u0642\u064a\u0629 \u0627\u0644\u062a\u064a \u062a\u0633\u062a\u062e\u062f\u0645\u0647\u0627 \u0627\u0644\u0645\u0639\u062f\u0627\u062a<\/p>\n<\/li>\n<li data-section-id=\"1vx48s4\" data-start=\"1159\" data-end=\"1239\">\n<p data-start=\"1161\" data-end=\"1239\"><strong data-start=\"1161\" data-end=\"1186\">\u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u062a\u0641\u0627\u0639\u0644\u064a\u0629 (\u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u062a\u064a\u0627\u0631 \u0645\u062a\u0631\u062f\u062f)<\/strong> - \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u062a\u064a \u062a\u062a\u0637\u0644\u0628\u0647\u0627 \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u062d\u062b\u064a\u0629 \u0645\u062b\u0644 \u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1241\" data-end=\"1314\">\u064a\u062a\u0645 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0628\u064a\u0646\u0647\u0645\u0627 \u0645\u0646 \u062e\u0644\u0627\u0644 <strong data-start=\"1292\" data-end=\"1313\">\u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0642\u062f\u0631\u0629 (PF)<\/strong>.<\/p>\n<h3 data-section-id=\"1utk5tj\" data-start=\"1316\" data-end=\"1333\"><span class=\"ez-toc-section\" id=\"Power_Formula\"><\/span>\u0645\u0639\u0627\u062f\u0644\u0629 \u0627\u0644\u0637\u0627\u0642\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"1335\" data-end=\"1358\">\u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 = \u0643\u064a\u0644\u0648 \u0648\u0627\u062a \u00f7 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0642\u062f\u0631\u0629<\/p>\n<p data-start=\"1360\" data-end=\"1372\">\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644:<\/p>\n<ul data-start=\"1374\" data-end=\"1414\">\n<li data-section-id=\"h728ke\" data-start=\"1374\" data-end=\"1391\">\n<p data-start=\"1376\" data-end=\"1391\">\u0627\u0644\u062d\u0645\u0648\u0644\u0629 = 100 \u0643\u064a\u0644\u0648\u0648\u0627\u0637<\/p>\n<\/li>\n<li data-section-id=\"9ij535\" data-start=\"1392\" data-end=\"1414\">\n<p data-start=\"1394\" data-end=\"1414\">\u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0642\u062f\u0631\u0629 = 0.8<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1416\" data-end=\"1442\">\u062d\u062c\u0645 \u0627\u0644\u0645\u062d\u0648\u0644 \u0627\u0644\u0645\u0637\u0644\u0648\u0628:<\/p>\n<p data-start=\"1444\" data-end=\"1473\"><strong data-start=\"1444\" data-end=\"1473\">\u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 = 100 \u00f7 0.8 = 125 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631<\/strong><\/p>\n<p data-start=\"1475\" data-end=\"1575\">\u0641\u064a \u0627\u0644\u0645\u0645\u0627\u0631\u0633\u0629 \u0627\u0644\u0639\u0645\u0644\u064a\u0629\u060c \u064a\u062e\u062a\u0627\u0631 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u0648\u0646 \u0639\u0627\u062f\u0629\u064b <strong data-start=\"1517\" data-end=\"1553\">\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0645\u062d\u0648\u0644 \u0627\u0644\u0642\u064a\u0627\u0633\u064a \u0627\u0644\u062a\u0627\u0644\u064a<\/strong>, \u0645\u062b\u0644 <a href=\"https:\/\/yawei-powertransformer.com\/ar\/manufacturer\/150-kva-single-phase-pole-mounted-transformer-13-8-kv-to-120-240-v-onan-telephone-power-distribution-transformer\/\"><strong data-start=\"1563\" data-end=\"1574\">150 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631<\/strong><\/a>.<\/p>\n<hr data-start=\"1577\" data-end=\"1580\" \/>\n<h1 data-section-id=\"hxvu6h\" data-start=\"1582\" data-end=\"1616\"><span class=\"ez-toc-section\" id=\"Basic_Transformer_Sizing_Formula\"><\/span>\u0645\u0639\u0627\u062f\u0644\u0629 \u062a\u062d\u062c\u064a\u0645 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"1618\" data-end=\"1692\">\u064a\u0645\u0643\u0646 \u0623\u064a\u0636\u064b\u0627 \u062d\u0633\u0627\u0628 \u0633\u0639\u0629 \u0627\u0644\u0645\u062d\u0648\u0644 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062c\u0647\u062f \u0648\u0627\u0644\u062a\u064a\u0627\u0631.<\/p>\n<h3 data-section-id=\"ominnv\" data-start=\"1694\" data-end=\"1730\"><span class=\"ez-toc-section\" id=\"Single-Phase_Transformer_Formula\"><\/span>\u0635\u064a\u063a\u0629 \u0627\u0644\u0645\u062d\u0648\u0644 \u0623\u062d\u0627\u062f\u064a \u0627\u0644\u0637\u0648\u0631<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"1732\" data-end=\"1764\">\u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 = (\u0627\u0644\u062c\u0647\u062f \u00d7 \u0627\u0644\u062a\u064a\u0627\u0631) \u00f7 1000<\/p>\n<p data-start=\"1766\" data-end=\"1774\">\u0645\u062b\u0627\u0644 \u0639\u0644\u0649 \u0630\u0644\u0643:<\/p>\n<p data-start=\"1776\" data-end=\"1809\">\u0627\u0644\u062c\u0647\u062f = 240 \u0641\u0648\u0644\u062a<br data-start=\"1791\" data-end=\"1794\" \/>\u0627\u0644\u062a\u064a\u0627\u0631 = 100 \u0623\u0645\u0628\u064a\u0631<\/p>\n<p data-start=\"1811\" data-end=\"1854\">\u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 = (240 \u00d7 100) \u00f7 1000<br data-start=\"1835\" data-end=\"1838\" \/>\u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 = <strong data-start=\"1844\" data-end=\"1854\">24 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631<\/strong><\/p>\n<hr data-start=\"1856\" data-end=\"1859\" \/>\n<h3 data-section-id=\"dpvchr\" data-start=\"1861\" data-end=\"1896\"><span class=\"ez-toc-section\" id=\"Three-Phase_Transformer_Formula\"><\/span>\u0635\u064a\u063a\u0629 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u062b\u0644\u0627\u062b\u064a\u0629 \u0627\u0644\u0623\u0637\u0648\u0627\u0631<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"1898\" data-end=\"1965\">\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629\u060c \u064a\u0634\u064a\u0639 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u062b\u0644\u0627\u062b\u064a\u0629 \u0627\u0644\u0637\u0648\u0631.<\/p>\n<p data-start=\"1967\" data-end=\"2004\">\u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 = (\u221a3 \u00d7 \u0627\u0644\u062c\u0647\u062f \u00d7 \u0627\u0644\u062a\u064a\u0627\u0631) \u00f7 1000<\/p>\n<p data-start=\"2006\" data-end=\"2014\">\u0645\u062b\u0627\u0644 \u0639\u0644\u0649 \u0630\u0644\u0643:<\/p>\n<p data-start=\"2016\" data-end=\"2049\">\u0627\u0644\u062c\u0647\u062f = 480 \u0641\u0648\u0644\u062a<br data-start=\"2031\" data-end=\"2034\" \/>\u0627\u0644\u062a\u064a\u0627\u0631 = 120 \u0623\u0645\u0628\u064a\u0631<\/p>\n<p data-start=\"2051\" data-end=\"2104\">\u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 = (1.732 \u00d7 480 \u00d7 120) \u00f7 1000<br data-start=\"2083\" data-end=\"2086\" \/>\u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 \u2248 <strong data-start=\"2092\" data-end=\"2104\">99.8 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631<\/strong><\/p>\n<p data-start=\"2106\" data-end=\"2171\">\u0648\u0645\u0646 \u062b\u064e\u0645\u064e\u0651\u060c \u0641\u0625\u0646 <strong data-start=\"2119\" data-end=\"2142\">\u0645\u062d\u0648\u0644 100 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631<\/strong> \u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u064a\u062a\u0645 \u0627\u062e\u062a\u064a\u0627\u0631\u0647.<\/p>\n<hr data-start=\"2173\" data-end=\"2176\" \/>\n<h1 data-section-id=\"1lrad0h\" data-start=\"2178\" data-end=\"2230\"><span class=\"ez-toc-section\" id=\"Example_Industrial_Transformer_Sizing_Calculation\"><\/span>\u0645\u062b\u0627\u0644: \u062d\u0633\u0627\u0628 \u062a\u062d\u062c\u064a\u0645 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"2232\" data-end=\"2266\">\u062f\u0639\u0648\u0646\u0627 \u0646\u0644\u0642\u064a \u0646\u0638\u0631\u0629 \u0639\u0644\u0649 \u0645\u062b\u0627\u0644 \u0639\u0645\u0644\u064a.<\/p>\n<h3 data-section-id=\"ixwew2\" data-start=\"2268\" data-end=\"2296\"><span class=\"ez-toc-section\" id=\"Industrial_Facility_Load\"><\/span>\u062d\u0645\u0648\u0644\u0629 \u0627\u0644\u0645\u0646\u0634\u0623\u0629 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"2298\" data-end=\"2319\">\u0625\u062c\u0645\u0627\u0644\u064a \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0645\u062a\u0635\u0644:<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr style=\"height: 25.00pt;\">\n<th class=\"et2\" style=\"height: 25pt; width: 60.1942%;\" width=\"148\" height=\"33\">\u0627\u0644\u0645\u0639\u062f\u0627\u062a<\/th>\n<th class=\"et2\" style=\"width: 39.6117%;\" width=\"96\">\u0627\u0644\u0637\u0627\u0642\u0629<\/th>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 60.1942%;\" width=\"148\" height=\"33\">\u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a<\/td>\n<td class=\"et3\" style=\"width: 39.6117%;\" width=\"96\">80 \u0643\u064a\u0644\u0648 \u0648\u0627\u0637<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 60.1942%;\" width=\"148\" height=\"33\">\u0627\u0644\u0625\u0636\u0627\u0621\u0629<\/td>\n<td class=\"et3\" style=\"width: 39.6117%;\" width=\"96\">20 \u0643\u064a\u0644\u0648 \u0648\u0627\u062a<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 60.1942%;\" width=\"148\" height=\"33\">\u0627\u0644\u062a\u062f\u0641\u0626\u0629 \u0648\u0627\u0644\u062a\u0647\u0648\u064a\u0629 \u0648\u062a\u0643\u064a\u064a\u0641 \u0627\u0644\u0647\u0648\u0627\u0621<\/td>\n<td class=\"et3\" style=\"width: 39.6117%;\" width=\"96\">40 \u0643\u064a\u0644\u0648\u0648\u0627\u0637<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 60.1942%;\" width=\"148\" height=\"33\">\u0627\u0644\u0645\u0639\u062f\u0627\u062a<\/td>\n<td class=\"et3\" style=\"width: 39.6117%;\" width=\"96\">30 \u0643\u064a\u0644\u0648 \u0648\u0627\u062a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-start=\"2444\" data-end=\"2455\">\u0627\u0644\u062d\u0645\u0648\u0644\u0629 \u0627\u0644\u0625\u062c\u0645\u0627\u0644\u064a\u0629:<\/p>\n<p data-start=\"2457\" data-end=\"2467\"><strong data-start=\"2457\" data-end=\"2467\">170 \u0643\u064a\u0644\u0648 \u0648\u0627\u0637<\/strong><\/p>\n<p data-start=\"2469\" data-end=\"2497\">\u0627\u0641\u062a\u0631\u0636 \u0645\u062a\u0648\u0633\u0637 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0642\u062f\u0631\u0629:<\/p>\n<p data-start=\"2499\" data-end=\"2511\"><strong data-start=\"2499\" data-end=\"2511\">PF = 0.9<\/strong><\/p>\n<h3 data-section-id=\"e1ifi8\" data-start=\"2513\" data-end=\"2549\"><span class=\"ez-toc-section\" id=\"Transformer_Capacity_Calculation\"><\/span>\u062d\u0633\u0627\u0628 \u0633\u0639\u0629 \u0627\u0644\u0645\u062d\u0648\u0644<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"2551\" data-end=\"2588\">\u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 = 170 \u00f7 0.9<br data-start=\"2566\" data-end=\"2569\" \/>\u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 = <strong data-start=\"2575\" data-end=\"2588\">188.9 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631<\/strong><\/p>\n<p data-start=\"2590\" data-end=\"2641\">\u064a\u0636\u064a\u0641 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u0648\u0646 \u0639\u0627\u062f\u0629\u064b <strong data-start=\"2616\" data-end=\"2640\">20-25% \u0647\u0627\u0645\u0634 \u0623\u0645\u0627\u0646 20-25%<\/strong>.<\/p>\n<p data-start=\"2643\" data-end=\"2672\">\u062d\u062c\u0645 \u0627\u0644\u0645\u062d\u0648\u0644 \u0627\u0644\u0645\u0648\u0635\u0649 \u0628\u0647:<\/p>\n<p data-start=\"2674\" data-end=\"2685\"><strong data-start=\"2674\" data-end=\"2685\">250 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631<\/strong><\/p>\n<p data-start=\"2687\" data-end=\"2708\">\u064a\u062a\u064a\u062d \u0630\u0644\u0643 \u0645\u0633\u0627\u062d\u0629 \u0644\u0640<\/p>\n<ul data-start=\"2710\" data-end=\"2779\">\n<li data-section-id=\"n1w2em\" data-start=\"2710\" data-end=\"2730\">\n<p data-start=\"2712\" data-end=\"2730\">\u062a\u0630\u0628\u0630\u0628 \u0627\u0644\u062d\u0645\u0644<\/p>\n<\/li>\n<li data-section-id=\"18pevce\" data-start=\"2731\" data-end=\"2760\">\n<p data-start=\"2733\" data-end=\"2760\">\u062a\u064a\u0627\u0631 \u0628\u062f\u0621 \u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0645\u0639\u062f\u0627\u062a<\/p>\n<\/li>\n<li data-section-id=\"163ytjo\" data-start=\"2761\" data-end=\"2779\">\n<p data-start=\"2763\" data-end=\"2779\">\u0627\u0644\u062a\u0648\u0633\u0639 \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u064a<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"2781\" data-end=\"2784\" \/>\n<h1 data-section-id=\"e4dlca\" data-start=\"2786\" data-end=\"2831\"><span class=\"ez-toc-section\" id=\"Standard_Transformer_Sizes_Used_in_Industry\"><\/span>\u0623\u062d\u062c\u0627\u0645 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645\u0629 \u0641\u064a \u0627\u0644\u0635\u0646\u0627\u0639\u0629<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"2833\" data-end=\"2889\">\u062a\u0648\u0641\u0631 \u0645\u0639\u0638\u0645 \u0627\u0644\u0634\u0631\u0643\u0627\u062a \u0627\u0644\u0645\u0635\u0646\u0639\u0629 \u062a\u0635\u0646\u064a\u0641\u0627\u062a \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629.<\/p>\n<p data-start=\"2891\" data-end=\"2938\">\u062a\u0634\u0645\u0644 \u0623\u062d\u062c\u0627\u0645 \u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629 \u0645\u0627 \u064a\u0644\u064a:<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr style=\"height: 25.00pt;\">\n<th class=\"et2\" style=\"height: 25pt; width: 48.7379%;\" width=\"272\" height=\"33\">\u0627\u0644\u062a\u0637\u0628\u064a\u0642<\/th>\n<th class=\"et2\" style=\"width: 51.068%;\" width=\"284\">\u062d\u062c\u0645 \u0627\u0644\u0645\u062d\u0648\u0644 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a<\/th>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 48.7379%;\" width=\"272\" height=\"33\">\u0645\u0628\u0646\u0649 \u062a\u062c\u0627\u0631\u064a \u0635\u063a\u064a\u0631<\/td>\n<td class=\"et3\" style=\"width: 51.068%;\" width=\"284\">45 - 75 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 48.7379%;\" width=\"272\" height=\"33\">\u0645\u062a\u062c\u0631 \u0628\u064a\u0639 \u0628\u0627\u0644\u062a\u062c\u0632\u0626\u0629<\/td>\n<td class=\"et3\" style=\"width: 51.068%;\" width=\"284\">75 - 150 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 48.7379%;\" width=\"272\" height=\"33\">\u0645\u0646\u0634\u0623\u0629 \u062a\u062c\u0627\u0631\u064a\u0629 \u0645\u062a\u0648\u0633\u0637\u0629<\/td>\n<td class=\"et3\" style=\"width: 51.068%;\" width=\"284\">150 - 300 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 48.7379%;\" width=\"272\" height=\"33\">\u0645\u0646\u0634\u0623\u0629 \u0635\u0646\u0627\u0639\u064a\u0629<\/td>\n<td class=\"et3\" style=\"width: 51.068%;\" width=\"284\">300 - 1000 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 48.7379%;\" width=\"272\" height=\"33\">\u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0627\u0644\u0643\u0628\u064a\u0631\u0629<\/td>\n<td class=\"et3\" style=\"width: 51.068%;\" width=\"284\">1000 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 - 5000 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-start=\"3239\" data-end=\"3327\">\u064a\u0636\u0645\u0646 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0635\u062d\u064a\u062d \u0645\u0627 \u064a\u0644\u064a <strong data-start=\"3275\" data-end=\"3326\">\u062a\u0634\u063a\u064a\u0644 \u0641\u0639\u0627\u0644 \u0648\u0639\u0645\u0631 \u0623\u0637\u0648\u0644 \u0644\u0644\u0645\u062d\u0648\u0644<\/strong>.<\/p>\n<hr data-start=\"3329\" data-end=\"3332\" \/>\n<h1 data-section-id=\"94r7b2\" data-start=\"3334\" data-end=\"3373\"><span class=\"ez-toc-section\" id=\"Transformer_Oversizing_vs_Undersizing\"><\/span>\u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u062d\u062c\u0645 \u0627\u0644\u0643\u0628\u064a\u0631 \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u062d\u062c\u0645 \u0627\u0644\u0635\u063a\u064a\u0631<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h2 data-section-id=\"1ez2hmv\" data-start=\"3375\" data-end=\"3406\"><span class=\"ez-toc-section\" id=\"Undersized_Transformer_Risks\"><\/span>\u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u062d\u062c\u0645 \u063a\u064a\u0631 \u0627\u0644\u0645\u0646\u0627\u0633\u0628<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"3408\" data-end=\"3449\">\u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0633\u0639\u0629 \u0627\u0644\u0645\u062d\u0648\u0644 \u0635\u063a\u064a\u0631\u0629 \u062c\u062f\u0627\u064b:<\/p>\n<ul data-start=\"3451\" data-end=\"3564\">\n<li data-section-id=\"15wft32\" data-start=\"3451\" data-end=\"3464\">\n<p data-start=\"3453\" data-end=\"3464\">\u0627\u0644\u0633\u062e\u0648\u0646\u0629 \u0627\u0644\u0632\u0627\u0626\u062f\u0629<\/p>\n<\/li>\n<li data-section-id=\"at34lw\" data-start=\"3465\" data-end=\"3489\">\n<p data-start=\"3467\" data-end=\"3489\">\u062a\u062f\u0647\u0648\u0631 \u0627\u0644\u0639\u0632\u0644<\/p>\n<\/li>\n<li data-section-id=\"7rgmbn\" data-start=\"3490\" data-end=\"3504\">\n<p data-start=\"3492\" data-end=\"3504\">\u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u062c\u0647\u062f<\/p>\n<\/li>\n<li data-section-id=\"rf2ay4\" data-start=\"3505\" data-end=\"3533\">\n<p data-start=\"3507\" data-end=\"3533\">\u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u0639\u0645\u0631 \u0627\u0644\u0627\u0641\u062a\u0631\u0627\u0636\u064a \u0644\u0644\u0645\u0639\u062f\u0627\u062a<\/p>\n<\/li>\n<li data-section-id=\"16cg0vi\" data-start=\"3534\" data-end=\"3564\">\n<p data-start=\"3536\" data-end=\"3564\">\u0639\u0637\u0644 \u0645\u062d\u062a\u0645\u0644 \u0641\u064a \u0627\u0644\u0645\u062d\u0648\u0644<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3566\" data-end=\"3632\">\u0647\u0630\u0647 \u0645\u0634\u0643\u0644\u0629 \u0634\u0627\u0626\u0639\u0629 \u0641\u064a \u0627\u0644\u0645\u0646\u0634\u0622\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0633\u0631\u064a\u0639\u0629 \u0627\u0644\u062a\u0648\u0633\u0639.<\/p>\n<hr data-start=\"3634\" data-end=\"3637\" \/>\n<h2 data-section-id=\"gd3ga1\" data-start=\"3639\" data-end=\"3672\"><span class=\"ez-toc-section\" id=\"Oversized_Transformer_Problems\"><\/span>\u0645\u0634\u0627\u0643\u0644 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0643\u0628\u064a\u0631\u0629 \u0627\u0644\u062d\u062c\u0645<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"3674\" data-end=\"3708\">\u0643\u0645\u0627 \u0623\u0646 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062d\u062c\u0645 \u0627\u0644\u0643\u0628\u064a\u0631 \u0644\u0647 \u0639\u064a\u0648\u0628\u0647 \u0623\u064a\u0636\u0627\u064b:<\/p>\n<ul data-start=\"3710\" data-end=\"3793\">\n<li data-section-id=\"j0kjht\" data-start=\"3710\" data-end=\"3732\">\n<p data-start=\"3712\" data-end=\"3732\">\u062a\u0643\u0644\u0641\u0629 \u0634\u0631\u0627\u0621 \u0623\u0639\u0644\u0649<\/p>\n<\/li>\n<li data-section-id=\"1ds5k53\" data-start=\"3733\" data-end=\"3759\">\n<p data-start=\"3735\" data-end=\"3759\">\u0632\u064a\u0627\u062f\u0629 \u062e\u0633\u0627\u0626\u0631 \u0639\u062f\u0645 \u0627\u0644\u062a\u062d\u0645\u064a\u0644<\/p>\n<\/li>\n<li data-section-id=\"dn369u\" data-start=\"3760\" data-end=\"3793\">\n<p data-start=\"3762\" data-end=\"3793\">\u0643\u0641\u0627\u0621\u0629 \u0623\u0642\u0644 \u0641\u064a \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u062e\u0641\u064a\u0641\u0629<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3795\" data-end=\"3917\">\u0644\u0630\u0644\u0643\u060c \u0641\u0625\u0646 \u0623\u0641\u0636\u0644 \u0645\u0645\u0627\u0631\u0633\u0629 \u0647\u064a \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062d\u0648\u0644 <strong data-start=\"3851\" data-end=\"3916\">\u0642\u0631\u064a\u0628 \u0645\u0646 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0645\u062d\u0633\u0648\u0628 \u0628\u0647\u0627\u0645\u0634 \u062a\u0648\u0633\u0639 \u0645\u0639\u0642\u0648\u0644<\/strong>.<\/p>\n<hr data-start=\"3919\" data-end=\"3922\" \/>\n<h1 data-section-id=\"1q0obql\" data-start=\"3924\" data-end=\"3976\"><span class=\"ez-toc-section\" id=\"Factors_That_Affect_Transformer_Capacity_Selection\"><\/span>\u0627\u0644\u0639\u0648\u0627\u0645\u0644 \u0627\u0644\u062a\u064a \u062a\u0624\u062b\u0631 \u0639\u0644\u0649 \u0627\u062e\u062a\u064a\u0627\u0631 \u0633\u0639\u0629 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"3978\" data-end=\"4045\">\u064a\u062c\u0628 \u0645\u0631\u0627\u0639\u0627\u0629 \u0639\u062f\u0629 \u0639\u0648\u0627\u0645\u0644 \u0639\u0646\u062f \u0627\u062e\u062a\u064a\u0627\u0631 \u062d\u062c\u0645 \u0627\u0644\u0645\u062d\u0648\u0644.<\/p>\n<h2 data-section-id=\"b9ep0k\" data-start=\"4047\" data-end=\"4062\"><span class=\"ez-toc-section\" id=\"1_Load_Type\"><\/span>1. \u0646\u0648\u0639 \u0627\u0644\u062d\u0645\u0648\u0644\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"4064\" data-end=\"4099\">\u062a\u062a\u0635\u0631\u0641 \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0645\u062e\u062a\u0644\u0641\u0629 \u0628\u0634\u0643\u0644 \u0645\u062e\u062a\u0644\u0641.<\/p>\n<p data-start=\"4101\" data-end=\"4110\">\u0623\u0645\u062b\u0644\u0629 \u0639\u0644\u0649 \u0630\u0644\u0643:<\/p>\n<ul data-start=\"4112\" data-end=\"4183\">\n<li data-section-id=\"159d4y8\" data-start=\"4112\" data-end=\"4120\">\n<p data-start=\"4114\" data-end=\"4120\">\u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a<\/p>\n<\/li>\n<li data-section-id=\"ufvye0\" data-start=\"4121\" data-end=\"4140\">\n<p data-start=\"4123\" data-end=\"4140\">\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0644\u062d\u0627\u0645<\/p>\n<\/li>\n<li data-section-id=\"1tr1blu\" data-start=\"4141\" data-end=\"4155\">\n<p data-start=\"4143\" data-end=\"4155\">\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062a\u062f\u0641\u0626\u0629 \u0648\u0627\u0644\u062a\u0647\u0648\u064a\u0629 \u0648\u062a\u0643\u064a\u064a\u0641 \u0627\u0644\u0647\u0648\u0627\u0621<\/p>\n<\/li>\n<li data-section-id=\"1d8lsid\" data-start=\"4156\" data-end=\"4183\">\n<p data-start=\"4158\" data-end=\"4183\">\u0645\u062d\u0631\u0643\u0627\u062a \u0627\u0644\u062a\u0631\u062f\u062f \u0627\u0644\u0645\u062a\u063a\u064a\u0631<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4185\" data-end=\"4279\">\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u062a\u062a\u0637\u0644\u0628 \u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0645\u062d\u0631\u0643 <strong data-start=\"4211\" data-end=\"4238\">\u062a\u064a\u0627\u0631 \u0628\u062f\u0621 \u062a\u0634\u063a\u064a\u0644 \u0623\u0639\u0644\u0649<\/strong>, \u060c \u0648\u0627\u0644\u062a\u064a \u064a\u062c\u0628 \u0623\u062e\u0630\u0647\u0627 \u0641\u064a \u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062a\u062d\u062c\u064a\u0645.<\/p>\n<hr data-start=\"4281\" data-end=\"4284\" \/>\n<h2 data-section-id=\"hhaged\" data-start=\"4286\" data-end=\"4308\"><span class=\"ez-toc-section\" id=\"2_Future_Expansion\"><\/span>2. \u0627\u0644\u062a\u0648\u0633\u0639 \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u064a<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"4310\" data-end=\"4355\">\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u062a\u062a\u0648\u0633\u0639 \u0627\u0644\u0645\u0646\u0634\u0622\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0628\u0645\u0631\u0648\u0631 \u0627\u0644\u0648\u0642\u062a.<\/p>\n<p data-start=\"4357\" data-end=\"4444\">\u064a\u062d\u062a\u0641\u0638 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u0648\u0646 \u0639\u0627\u062f\u0629\u064b <strong data-start=\"4385\" data-end=\"4415\">20-30% \u0633\u0639\u0629 \u0625\u0636\u0627\u0641\u064a\u0629<\/strong> \u0644\u062f\u0639\u0645 \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u064a\u0629.<\/p>\n<hr data-start=\"4446\" data-end=\"4449\" \/>\n<h2 data-section-id=\"7kb964\" data-start=\"4451\" data-end=\"4476\"><span class=\"ez-toc-section\" id=\"3_Ambient_Temperature\"><\/span>3. \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u062d\u064a\u0637\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"4478\" data-end=\"4542\">\u064a\u0642\u0644\u0644 \u0627\u0631\u062a\u0641\u0627\u0639 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u062d\u064a\u0637\u0629 \u0645\u0646 \u0643\u0641\u0627\u0621\u0629 \u062a\u0628\u0631\u064a\u062f \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a.<\/p>\n<p data-start=\"4544\" data-end=\"4651\">\u0642\u062f \u062a\u062a\u0637\u0644\u0628 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629 \u0627\u0644\u062a\u064a \u062a\u0639\u0645\u0644 \u0641\u064a \u0627\u0644\u0645\u0646\u0627\u062e\u0627\u062a \u0627\u0644\u062d\u0627\u0631\u0629 \u0645\u0627 \u064a\u0644\u064a <strong data-start=\"4603\" data-end=\"4650\">\u0633\u0639\u0629 \u0623\u0639\u0644\u0649 \u0623\u0648 \u0637\u0631\u0642 \u062a\u0628\u0631\u064a\u062f \u0645\u062d\u0633\u0646\u0629<\/strong>.<\/p>\n<hr data-start=\"4653\" data-end=\"4656\" \/>\n<h2 data-section-id=\"fmb4nr\" data-start=\"4658\" data-end=\"4678\"><span class=\"ez-toc-section\" id=\"4_Harmonic_Loads\"><\/span>4. \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0645\u062a\u0646\u0627\u0633\u0642\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"4680\" data-end=\"4726\">\u062a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0645\u0631\u0627\u0641\u0642 \u0627\u0644\u062d\u062f\u064a\u062b\u0629 \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629:<\/p>\n<ul data-start=\"4728\" data-end=\"4769\">\n<li data-section-id=\"nu7ld4\" data-start=\"4728\" data-end=\"4741\">\n<p data-start=\"4730\" data-end=\"4741\">\u0623\u0646\u0638\u0645\u0629 UPS<\/p>\n<\/li>\n<li data-section-id=\"16uiqbk\" data-start=\"4742\" data-end=\"4756\">\n<p data-start=\"4744\" data-end=\"4756\">\u0645\u0631\u0627\u0643\u0632 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a<\/p>\n<\/li>\n<li data-section-id=\"2cbyf7\" data-start=\"4757\" data-end=\"4769\">\n<p data-start=\"4759\" data-end=\"4769\">\u0645\u062d\u0631\u0643\u0627\u062a \u0623\u0642\u0631\u0627\u0635 VFD<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4771\" data-end=\"4848\">\u0647\u0630\u0647 \u062a\u062e\u0644\u0642 <strong data-start=\"4784\" data-end=\"4807\">\u0627\u0644\u062a\u0634\u0648\u0647 \u0627\u0644\u062a\u0648\u0627\u0641\u0642\u064a<\/strong>, \u0645\u0645\u0627 \u0642\u062f \u064a\u0632\u064a\u062f \u0645\u0646 \u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0645\u062d\u0648\u0644.<\/p>\n<p data-start=\"4850\" data-end=\"4928\">\u0641\u064a \u0645\u062b\u0644 \u0647\u0630\u0647 \u0627\u0644\u062d\u0627\u0644\u0627\u062a, <strong data-start=\"4865\" data-end=\"4889\">\u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0645\u0635\u0646\u0641\u0629 K<\/strong> \u0623\u0648 \u0633\u0639\u0629 \u0623\u0643\u0628\u0631 \u0642\u062f \u064a\u0648\u0635\u0649 \u0628\u0647\u0627.<\/p>\n<hr data-start=\"4930\" data-end=\"4933\" \/>\n<h2 data-section-id=\"19teo0i\" data-start=\"4935\" data-end=\"4951\"><span class=\"ez-toc-section\" id=\"5_Duty_Cycle\"><\/span>5. \u062f\u0648\u0631\u0629 \u0627\u0644\u0639\u0645\u0644<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"4953\" data-end=\"5046\">\u062a\u062a\u0637\u0644\u0628 \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0645\u0633\u062a\u0645\u0631\u0629 \u062a\u062d\u062c\u064a\u0645\u064b\u0627 \u0623\u0643\u062b\u0631 \u062a\u062d\u0641\u0638\u064b\u0627 \u0644\u0644\u0645\u062d\u0648\u0644 \u0645\u0642\u0627\u0631\u0646\u0629 \u0628\u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0645\u062a\u0642\u0637\u0639\u0629.<\/p>\n<p data-start=\"5048\" data-end=\"5060\">\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644:<\/p>\n<ul data-start=\"5062\" data-end=\"5124\">\n<li data-section-id=\"1syq8jk\" data-start=\"5062\" data-end=\"5078\">\n<p data-start=\"5064\" data-end=\"5078\">\u0645\u0631\u0627\u0643\u0632 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a<\/p>\n<\/li>\n<li data-section-id=\"ta3igl\" data-start=\"5079\" data-end=\"5102\">\n<p data-start=\"5081\" data-end=\"5102\">\u062e\u0637\u0648\u0637 \u0627\u0644\u062a\u0635\u0646\u064a\u0639<\/p>\n<\/li>\n<li data-section-id=\"sjfnj8\" data-start=\"5103\" data-end=\"5124\">\n<p data-start=\"5105\" data-end=\"5124\">\u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u062a\u0639\u062f\u064a\u0646<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5126\" data-end=\"5168\">\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u062a\u0639\u0645\u0644 \u0647\u0630\u0647 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a <strong data-start=\"5159\" data-end=\"5167\">24\/7<\/strong>.<\/p>\n<hr data-start=\"5170\" data-end=\"5173\" \/>\n<h1 data-section-id=\"yeakkk\" data-start=\"5175\" data-end=\"5212\"><span class=\"ez-toc-section\" id=\"Choosing_the_Right_Transformer_Type\"><\/span>\u0627\u062e\u062a\u064a\u0627\u0631 \u0646\u0648\u0639 \u0627\u0644\u0645\u062d\u0648\u0644 \u0627\u0644\u0645\u0646\u0627\u0633\u0628<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"5214\" data-end=\"5314\">\u0628\u0639\u062f \u062a\u062d\u062f\u064a\u062f \u0633\u0639\u0629 \u0627\u0644\u0645\u062d\u0648\u0644\u060c \u0641\u0625\u0646 \u0627\u0644\u062e\u0637\u0648\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629 \u0647\u064a \u0627\u062e\u062a\u064a\u0627\u0631 \u0646\u0648\u0639 \u0627\u0644\u0645\u062d\u0648\u0644 \u0627\u0644\u0645\u0646\u0627\u0633\u0628.<\/p>\n<p data-start=\"5316\" data-end=\"5339\">\u062a\u0634\u0645\u0644 \u0627\u0644\u062e\u064a\u0627\u0631\u0627\u062a \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0645\u0627 \u064a\u0644\u064a:<\/p>\n<h3 data-section-id=\"1eoswsa\" data-start=\"5341\" data-end=\"5369\"><span class=\"ez-toc-section\" id=\"Pad-Mounted_Transformers\"><\/span><a href=\"https:\/\/yawei-powertransformer.com\/ar\/Wholesale\/pad-mounted-transformers\/\">\u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0645\u062b\u0628\u062a\u0629 \u0639\u0644\u0649 \u0627\u0644\u0648\u0633\u0627\u062f\u0629<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"5371\" data-end=\"5379\">\u0645\u0633\u062a\u062e\u062f\u0645\u0629 \u0641\u064a:<\/p>\n<ul data-start=\"5381\" data-end=\"5449\">\n<li data-section-id=\"h4ppm9\" data-start=\"5381\" data-end=\"5403\">\n<p data-start=\"5383\" data-end=\"5403\">\u0627\u0644\u0645\u0628\u0627\u0646\u064a \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629<\/p>\n<\/li>\n<li data-section-id=\"1urpppc\" data-start=\"5404\" data-end=\"5430\">\n<p data-start=\"5406\" data-end=\"5430\">\u0627\u0644\u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0633\u0643\u0646\u064a<\/p>\n<\/li>\n<li data-section-id=\"55i7ys\" data-start=\"5431\" data-end=\"5449\">\n<p data-start=\"5433\" data-end=\"5449\">\u0627\u0644\u0645\u062c\u0645\u0639\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5451\" data-end=\"5462\">\u0627\u0644\u0645\u0632\u0627\u064a\u0627:<\/p>\n<ul data-start=\"5464\" data-end=\"5526\">\n<li data-section-id=\"ggvmv\" data-start=\"5464\" data-end=\"5491\">\n<p data-start=\"5466\" data-end=\"5491\">\u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0623\u0631\u0636<\/p>\n<\/li>\n<li data-section-id=\"u862n1\" data-start=\"5492\" data-end=\"5508\">\n<p data-start=\"5494\" data-end=\"5508\">\u062a\u0635\u0645\u064a\u0645 \u0645\u062f\u0645\u062c<\/p>\n<\/li>\n<li data-section-id=\"1vjmu16\" data-start=\"5509\" data-end=\"5526\">\n<p data-start=\"5511\" data-end=\"5526\">\u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0633\u0644\u0627\u0645\u0629<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"5528\" data-end=\"5531\" \/>\n<h3 data-section-id=\"6b5mah\" data-start=\"5533\" data-end=\"5562\"><span class=\"ez-toc-section\" id=\"Pole-Mounted_Transformers\"><\/span><a href=\"https:\/\/yawei-powertransformer.com\/ar\/Wholesale\/pole-mounted-transformers\/\">\u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0645\u062b\u0628\u062a\u0629 \u0639\u0644\u0649 \u0639\u0645\u0648\u062f<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"5564\" data-end=\"5574\">\u0634\u0627\u0626\u0639 \u0641\u064a:<\/p>\n<ul data-start=\"5576\" data-end=\"5625\">\n<li data-section-id=\"1cflf2t\" data-start=\"5576\" data-end=\"5602\">\n<p data-start=\"5578\" data-end=\"5602\">\u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0637\u0627\u0642\u0629 \u0641\u064a \u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0631\u064a\u0641\u064a\u0629<\/p>\n<\/li>\n<li data-section-id=\"d90kuk\" data-start=\"5603\" data-end=\"5625\">\n<p data-start=\"5605\" data-end=\"5625\">\u062e\u0637\u0648\u0637 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0639\u0644\u0648\u064a\u0629<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5627\" data-end=\"5638\">\u0627\u0644\u0645\u0632\u0627\u064a\u0627:<\/p>\n<ul data-start=\"5640\" data-end=\"5687\">\n<li data-section-id=\"d9muqz\" data-start=\"5640\" data-end=\"5663\">\n<p data-start=\"5642\" data-end=\"5663\">\u062a\u0643\u0644\u0641\u0629 \u062a\u0631\u0643\u064a\u0628 \u0645\u0646\u062e\u0641\u0636\u0629<\/p>\n<\/li>\n<li data-section-id=\"mncdep\" data-start=\"5664\" data-end=\"5687\">\n<p data-start=\"5666\" data-end=\"5687\">\u0628\u0646\u064a\u0629 \u062a\u062d\u062a\u064a\u0629 \u0628\u0633\u064a\u0637\u0629<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"5689\" data-end=\"5692\" \/>\n<h3 data-section-id=\"16f7cg\" data-start=\"5694\" data-end=\"5721\"><span class=\"ez-toc-section\" id=\"Substation_Transformers\"><\/span><a href=\"https:\/\/yawei-powertransformer.com\/ar\/Wholesale\/substation-transformers\/\">\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0645\u062d\u0637\u0627\u062a \u0627\u0644\u0641\u0631\u0639\u064a\u0629<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"5723\" data-end=\"5731\">\u0645\u0633\u062a\u062e\u062f\u0645\u0629 \u0641\u064a:<\/p>\n<ul data-start=\"5733\" data-end=\"5799\">\n<li data-section-id=\"8ki7ph\" data-start=\"5733\" data-end=\"5754\">\n<p data-start=\"5735\" data-end=\"5754\">\u0627\u0644\u0645\u062d\u0637\u0627\u062a \u0627\u0644\u0641\u0631\u0639\u064a\u0629 \u0644\u0644\u0645\u0631\u0627\u0641\u0642<\/p>\n<\/li>\n<li data-section-id=\"x1cecj\" data-start=\"5755\" data-end=\"5769\">\n<p data-start=\"5757\" data-end=\"5769\">\u0645\u062d\u0637\u0627\u062a \u062a\u0648\u0644\u064a\u062f \u0627\u0644\u0637\u0627\u0642\u0629<\/p>\n<\/li>\n<li data-section-id=\"hpldn5\" data-start=\"5770\" data-end=\"5799\">\n<p data-start=\"5772\" data-end=\"5799\">\u0627\u0644\u0645\u0646\u0634\u0622\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0627\u0644\u0643\u0628\u064a\u0631\u0629<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5801\" data-end=\"5812\">\u0627\u0644\u0645\u0632\u0627\u064a\u0627:<\/p>\n<ul data-start=\"5814\" data-end=\"5855\">\n<li data-section-id=\"1nrfg4y\" data-start=\"5814\" data-end=\"5829\">\n<p data-start=\"5816\" data-end=\"5829\">\u0633\u0639\u0629 \u0639\u0627\u0644\u064a\u0629<\/p>\n<\/li>\n<li data-section-id=\"1syx66s\" data-start=\"5830\" data-end=\"5855\">\n<p data-start=\"5832\" data-end=\"5855\">\u0627\u0644\u0642\u062f\u0631\u0629 \u0639\u0644\u0649 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0639\u0627\u0644\u064a<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"5857\" data-end=\"5860\" \/>\n<h1 data-section-id=\"1fuhl2n\" data-start=\"5862\" data-end=\"5904\"><span class=\"ez-toc-section\" id=\"Typical_Transformer_Voltage_Combinations\"><\/span>\u0645\u062c\u0645\u0648\u0639\u0627\u062a \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a \u0644\u0644\u0645\u062d\u0648\u0644 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"5906\" data-end=\"5977\">\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u062a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u062a\u0643\u0648\u064a\u0646\u0627\u062a \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u062a\u0627\u0644\u064a\u0629:<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr style=\"height: 25.00pt;\">\n<th class=\"et3\" style=\"height: 25pt; width: 48.7379%;\" width=\"272\" height=\"33\">\u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0623\u0633\u0627\u0633\u064a<\/th>\n<th class=\"et3\" style=\"width: 51.068%;\" width=\"284\">\u0627\u0644\u062c\u0647\u062f \u0627\u0644\u062b\u0627\u0646\u0648\u064a<\/th>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et4\" style=\"height: 25pt; width: 48.7379%;\" width=\"272\" height=\"33\">13.8 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a<\/td>\n<td class=\"et4\" style=\"width: 51.068%;\" width=\"284\">480V<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et4\" style=\"height: 25pt; width: 48.7379%;\" width=\"272\" height=\"33\">33 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a<\/td>\n<td class=\"et4\" style=\"width: 51.068%;\" width=\"284\">400V<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et4\" style=\"height: 25pt; width: 48.7379%;\" width=\"272\" height=\"33\">34.5 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a<\/td>\n<td class=\"et4\" style=\"width: 51.068%;\" width=\"284\">480V<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et4\" style=\"height: 25pt; width: 48.7379%;\" width=\"272\" height=\"33\">11 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a<\/td>\n<td class=\"et4\" style=\"width: 51.068%;\" width=\"284\">415V<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-start=\"6131\" data-end=\"6207\">\u064a\u0639\u062a\u0645\u062f \u0627\u0644\u062a\u0643\u0648\u064a\u0646 \u0627\u0644\u062f\u0642\u064a\u0642 \u0639\u0644\u0649 <strong data-start=\"6170\" data-end=\"6206\">\u062a\u0635\u0645\u064a\u0645 \u0646\u0638\u0627\u0645 \u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0637\u0627\u0642\u0629<\/strong>.<\/p>\n<hr data-start=\"6209\" data-end=\"6212\" \/>\n<h1 data-section-id=\"jbbfny\" data-start=\"6214\" data-end=\"6256\"><span class=\"ez-toc-section\" id=\"Best_Practices_for_Transformer_Selection\"><\/span>\u0623\u0641\u0636\u0644 \u0627\u0644\u0645\u0645\u0627\u0631\u0633\u0627\u062a \u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"6258\" data-end=\"6308\">\u064a\u062a\u0628\u0639 \u0645\u0647\u0646\u062f\u0633\u0648 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0621 \u0639\u0627\u062f\u0629\u064b \u0647\u0630\u0647 \u0627\u0644\u062e\u0637\u0648\u0627\u062a<\/p>\n<ol data-start=\"6310\" data-end=\"6545\">\n<li data-section-id=\"7w09hh\" data-start=\"6310\" data-end=\"6345\">\n<p data-start=\"6313\" data-end=\"6345\">\u062d\u0633\u0627\u0628 \u0625\u062c\u0645\u0627\u0644\u064a \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0645\u062a\u0635\u0644<\/p>\n<\/li>\n<li data-section-id=\"om61f\" data-start=\"6346\" data-end=\"6375\">\n<p data-start=\"6349\" data-end=\"6375\">\u062a\u062d\u062f\u064a\u062f \u062c\u0647\u062f \u0627\u0644\u0646\u0638\u0627\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a<\/p>\n<\/li>\n<li data-section-id=\"140nz31\" data-start=\"6376\" data-end=\"6412\">\n<p data-start=\"6379\" data-end=\"6412\">\u062d\u0633\u0627\u0628 \u0633\u0639\u0629 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629<\/p>\n<\/li>\n<li data-section-id=\"d7v4m6\" data-start=\"6413\" data-end=\"6449\">\n<p data-start=\"6416\" data-end=\"6449\">\u0625\u0636\u0627\u0641\u0629 \u0647\u0627\u0645\u0634 \u0623\u0645\u0627\u0646 \u0644\u0644\u062a\u0648\u0633\u0639<\/p>\n<\/li>\n<li data-section-id=\"1abqkeq\" data-start=\"6450\" data-end=\"6490\">\n<p data-start=\"6453\" data-end=\"6490\">\u0627\u062e\u062a\u0631 \u0646\u0648\u0639 \u0627\u0644\u0645\u062d\u0648\u0644 \u0627\u0644\u0645\u0646\u0627\u0633\u0628<\/p>\n<\/li>\n<li data-section-id=\"17s1z5\" data-start=\"6491\" data-end=\"6545\">\n<p data-start=\"6494\" data-end=\"6545\">\u062a\u0623\u0643\u064a\u062f \u0628\u064a\u0626\u0629 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 (\u062f\u0627\u062e\u0644\u064a\/\u062e\u0627\u0631\u062c\u064a)<\/p>\n<\/li>\n<\/ol>\n<p data-start=\"6547\" data-end=\"6635\">\u064a\u0633\u0627\u0639\u062f \u0627\u062a\u0628\u0627\u0639 \u0647\u0630\u0647 \u0627\u0644\u062e\u0637\u0648\u0627\u062a \u0639\u0644\u0649 \u0636\u0645\u0627\u0646 <strong data-start=\"6582\" data-end=\"6634\">\u062a\u0648\u0632\u064a\u0639 \u0622\u0645\u0646 \u0648\u0645\u0648\u062b\u0648\u0642 \u0648\u0641\u0639\u0627\u0644 \u0644\u0644\u0637\u0627\u0642\u0629<\/strong>.<\/p>\n<hr data-start=\"6637\" data-end=\"6640\" \/>\n<h1 data-section-id=\"fsb6xx\" data-start=\"6642\" data-end=\"6654\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>\u0627\u0644\u062e\u0627\u062a\u0645\u0629<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"6656\" data-end=\"6866\">\u0627\u0644\u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0635\u062d\u064a\u062d \u0644\u062d\u062c\u0645 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0636\u0631\u0648\u0631\u064a \u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0646\u0638\u0627\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0627\u0644\u0645\u0648\u062b\u0648\u0642 \u0628\u0647. \u064a\u0633\u0627\u0639\u062f \u0627\u062e\u062a\u064a\u0627\u0631 \u0633\u0639\u0629 \u0627\u0644\u0645\u062d\u0648\u0644 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u0639\u0644\u0649 \u0645\u0646\u0639 \u0627\u0631\u062a\u0641\u0627\u0639 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0648\u062a\u0642\u0644\u064a\u0644 \u0627\u0644\u0641\u0627\u0642\u062f \u0648\u0636\u0645\u0627\u0646 \u0627\u0644\u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u064a \u0639\u0644\u0649 \u0627\u0644\u0645\u062f\u0649 \u0627\u0644\u0637\u0648\u064a\u0644.<\/p>\n<p data-start=\"6868\" data-end=\"7073\">\u0645\u0646 \u062e\u0644\u0627\u0644 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 <strong data-start=\"6888\" data-end=\"6916\">\u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062d\u0633\u0627\u0628 kVA<\/strong>, \u0648\u062a\u0642\u064a\u064a\u0645 \u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u062d\u0645\u0644\u060c \u0648\u0627\u0644\u0646\u0638\u0631 \u0641\u064a \u0627\u0644\u062a\u0648\u0633\u0639 \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u064a\u060c \u064a\u0645\u0643\u0646 \u0644\u0644\u0645\u0647\u0646\u062f\u0633\u064a\u0646 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062d\u0648\u0644 \u0627\u0644\u0623\u0645\u062b\u0644 \u0644\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0648\u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629.<\/p>\n<p data-start=\"7075\" data-end=\"7243\">\u0643\u0645\u062d\u062a\u0631\u0641 <strong data-start=\"7093\" data-end=\"7127\"><a href=\"https:\/\/yawei-powertransformer.com\/ar\/Wholesale\/hv-power-transformers\/\">\u0645\u062d\u0648\u0644 \u0627\u0644\u0637\u0627\u0642\u0629<\/a> \u0627\u0644\u0634\u0631\u0643\u0629 \u0627\u0644\u0645\u0635\u0646\u0639\u0629<\/strong>, \u060c \u062a\u0648\u0641\u0631 \u0645\u062d\u0648\u0644\u0627\u062a \u064a\u0627\u0648\u064a \u062d\u0644\u0648\u0644 \u0645\u062d\u0648\u0644\u0627\u062a \u0645\u062e\u0635\u0635\u0629 \u0644\u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0648\u0627\u0644\u0645\u0631\u0627\u0641\u0642 \u0627\u0644\u0639\u0627\u0644\u0645\u064a\u0629\u060c \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643:<\/p>\n<ul data-start=\"7245\" data-end=\"7361\">\n<li data-section-id=\"q5hba2\" data-start=\"7245\" data-end=\"7274\">\n<p data-start=\"7247\" data-end=\"7274\">\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u062a\u0648\u0632\u064a\u0639<\/p>\n<\/li>\n<li data-section-id=\"bcegqc\" data-start=\"7275\" data-end=\"7303\">\n<p data-start=\"7277\" data-end=\"7303\">\u0645\u062d\u0648\u0644\u0627\u062a \u0645\u062b\u0628\u062a\u0629 \u0639\u0644\u0649 \u0648\u0633\u0627\u062f\u0629<\/p>\n<\/li>\n<li data-section-id=\"yj4ljr\" data-start=\"7304\" data-end=\"7333\">\n<p data-start=\"7306\" data-end=\"7333\">\u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0645\u062b\u0628\u062a\u0629 \u0639\u0644\u0649 \u0623\u0639\u0645\u062f\u0629<\/p>\n<\/li>\n<li data-section-id=\"mrs9ge\" data-start=\"7334\" data-end=\"7361\">\n<p data-start=\"7336\" data-end=\"7361\">\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0645\u062d\u0637\u0627\u062a \u0627\u0644\u0641\u0631\u0639\u064a\u0629<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"7363\" data-end=\"7538\">\u0625\u0630\u0627 \u0643\u0646\u062a \u0628\u062d\u0627\u062c\u0629 \u0625\u0644\u0649 \u0627\u0644\u0645\u0633\u0627\u0639\u062f\u0629 \u0641\u064a \u0627\u062e\u062a\u064a\u0627\u0631 \u0633\u0639\u0629 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type=\"hidden\" name=\"trp-form-language\" value=\"ar\"\/><\/form>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Introduction Choosing the correct transformer size is one of the most important decisions in electrical power system design. An undersized transformer may lead to overheating, voltage drops, and equipment failure, while an oversized transformer can result in unnecessary investment costs and higher no-load losses. For engineers, contractors, and industrial facility managers, understanding how to calculate [&#8230;]\n","protected":false},"author":3,"featured_media":2156,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[353,350,319,354,351,315,355,349,352,348],"class_list":["post-2155","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-electrical-transformer-guide","tag-how-to-size-a-transformer","tag-industrial-power-transformer","tag-power-distribution-transformer","tag-three-phase-transformer-sizing","tag-transformer-capacity-calculation","tag-transformer-engineering-basics","tag-transformer-kva-calculation","tag-transformer-load-calculation","tag-transformer-size-calculation"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Calculate Transformer Size (kVA) for Industrial &amp; Commercial Power Systems | Transformer Capacity Guide \u2013 Yawei Transformer<\/title>\n<meta name=\"description\" content=\"Learn how to calculate transformer size (kVA) for industrial and commercial power systems. This complete guide explains transformer capacity formulas, sizing methods, and practical engineering examples for selecting the right distribution transformer. Provided by Yawei Transformer, a professional power transformer manufacturer.\" \/>\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\/ar\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Calculate Transformer Size (kVA) for Industrial &amp; Commercial Power Systems | Transformer Capacity Guide \u2013 Yawei Transformer\" \/>\n<meta property=\"og:description\" content=\"Learn how to calculate transformer size (kVA) for industrial and commercial power systems. 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