{"id":47590,"date":"2026-01-07T09:29:28","date_gmt":"2026-01-07T09:29:28","guid":{"rendered":"https:\/\/www.kdmsteel.com\/?p=47590"},"modified":"2026-01-07T09:29:28","modified_gmt":"2026-01-07T09:29:28","slug":"three-phase-transformer-sizes","status":"publish","type":"post","link":"https:\/\/www.kdmsteel.com\/zh\/\u4e09\u79cd\u76f8\u53d8\u538b\u5668\u5c3a\u5bf8\/","title":{"rendered":"\u4e09\u76f8\u53d8\u538b\u5668\u5c3a\u5bf8"},"content":{"rendered":"<p>\u4f5c\u4e3a\u7535\u529b\u7f51\u7edc\u7684\u6838\u5fc3\u90e8\u4ef6\uff0c\u4e09\u76f8\u53d8\u538b\u5668\u7528\u9014\u5e7f\u6cdb\uff0c\u4f8b\u5982\u5347\u538b\u8f93\u7535\u3001\u964d\u538b\u914d\u7535\u548c\u7535\u6c14\u9694\u79bb\u3002\u4e09\u76f8\u53d8\u538b\u5668\u7684\u5bb9\u91cf\u5927\u5c0f\u5bf9\u521d\u59cb\u6295\u8d44\u548c\u8fd0\u884c\u6027\u80fd\u90fd\u81f3\u5173\u91cd\u8981\u3002\u5982\u4f55\u9009\u62e9\u7b26\u5408\u7535\u538b\u8981\u6c42\u7684\u53d8\u538b\u5668\u5bb9\u91cf\uff1f\u672c\u6587\u5c06\u63a2\u8ba8\u53d8\u538b\u5668\u5bb9\u91cf\u7684\u91cd\u8981\u6027\u53ca\u5176\u5f71\u54cd\u56e0\u7d20\uff0c\u5e2e\u52a9\u60a8\u9009\u62e9\u5408\u9002\u7684\u53d8\u538b\u5668\u5bb9\u91cf\uff0c\u4ece\u800c\u5728\u5b89\u5168\u6027\u3001\u6548\u7387\u548c\u6210\u672c\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\u3002.<\/p>\n<div 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href=\"https:\/\/www.kdmsteel.com\/zh\/\u4e09\u79cd\u76f8\u53d8\u538b\u5668\u5c3a\u5bf8\/#What_Factors_Affect_the_Size_of_a_Three-phase_Transformer\" >\u5f71\u54cd\u4e09\u76f8\u53d8\u538b\u5668\u5c3a\u5bf8\u7684\u56e0\u7d20\u6709\u54ea\u4e9b\uff1f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u4e09\u79cd\u76f8\u53d8\u538b\u5668\u5c3a\u5bf8\/#Total_Load\" >\u603b\u8d1f\u8377<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u4e09\u79cd\u76f8\u53d8\u538b\u5668\u5c3a\u5bf8\/#Power_Factor\" >\u529f\u7387\u56e0\u6570<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u4e09\u79cd\u76f8\u53d8\u538b\u5668\u5c3a\u5bf8\/#Load_Type\" >\u8d1f\u8f7d\u7c7b\u578b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u4e09\u79cd\u76f8\u53d8\u538b\u5668\u5c3a\u5bf8\/#Voltage_and_Current_Level\" >\u7535\u538b\u548c\u7535\u6d41\u6c34\u5e73<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u4e09\u79cd\u76f8\u53d8\u538b\u5668\u5c3a\u5bf8\/#Future_Expansion\" >\u672a\u6765\u6269\u5c55<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u4e09\u79cd\u76f8\u53d8\u538b\u5668\u5c3a\u5bf8\/#Design_and_Material\" >\u8bbe\u8ba1\u4e0e\u6750\u6599<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u4e09\u79cd\u76f8\u53d8\u538b\u5668\u5c3a\u5bf8\/#How_to_Choose_an_Appropriated_Three_Phase_Transformer_Sizes%EF%BC%9F\" >\u5982\u4f55\u9009\u62e9\u5408\u9002\u7684\u4e09\u76f8\u53d8\u538b\u5668\u5c3a\u5bf8\uff1f<\/a><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:\/\/www.kdmsteel.com\/zh\/\u4e09\u79cd\u76f8\u53d8\u538b\u5668\u5c3a\u5bf8\/#Accurate_Calculation_of_Electrical_Capacity\" >\u7cbe\u786e\u8ba1\u7b97\u7535\u5bb9\u91cf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u4e09\u79cd\u76f8\u53d8\u538b\u5668\u5c3a\u5bf8\/#Selection_of_Appropriate_Technical_Type_of_Three-phase_Transformer\" >\u9009\u62e9\u5408\u9002\u7684\u4e09\u76f8\u53d8\u538b\u5668\u6280\u672f\u7c7b\u578b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u4e09\u79cd\u76f8\u53d8\u538b\u5668\u5c3a\u5bf8\/#Selection_of_Suitable_Cooling_Method\" >\u9009\u62e9\u5408\u9002\u7684\u51b7\u5374\u65b9\u6cd5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u4e09\u79cd\u76f8\u53d8\u538b\u5668\u5c3a\u5bf8\/#Ensuring_Adequate_Transportation_Routes_and_Installation_Space\" >\u786e\u4fdd\u5145\u8db3\u7684\u8fd0\u8f93\u8def\u7ebf\u548c\u5b89\u88c5\u7a7a\u95f4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u4e09\u79cd\u76f8\u53d8\u538b\u5668\u5c3a\u5bf8\/#Comprehensive_Evaluation_and_Analysis\" >\u7efc\u5408\u8bc4\u4f30\u4e0e\u5206\u6790<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u4e09\u79cd\u76f8\u53d8\u538b\u5668\u5c3a\u5bf8\/#FAQ\" >\u5e38\u95ee\u95ee\u9898<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u4e09\u79cd\u76f8\u53d8\u538b\u5668\u5c3a\u5bf8\/#Why_Is_the_Size_of_a_Three_Phase_Transformer_So_Important\" >\u4e3a\u4ec0\u4e48\u4e09\u76f8\u53d8\u538b\u5668\u7684\u5c3a\u5bf8\u5982\u6b64\u91cd\u8981\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u4e09\u79cd\u76f8\u53d8\u538b\u5668\u5c3a\u5bf8\/#Is_A_Larger_Transformer_Size_Necessarily_Safer\" >\u66f4\u5927\u7684\u53d8\u538b\u5668\u5c3a\u5bf8\u5c31\u4e00\u5b9a\u66f4\u5b89\u5168\u5417\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u4e09\u79cd\u76f8\u53d8\u538b\u5668\u5c3a\u5bf8\/#Why_Are_Amorphous_Alloy_Transformers_Large_and_Expensive\" >\u4e3a\u4ec0\u4e48\u975e\u6676\u5408\u91d1\u53d8\u538b\u5668\u4f53\u79ef\u5927\u3001\u4ef7\u683c\u6602\u8d35\uff1f<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u4e09\u79cd\u76f8\u53d8\u538b\u5668\u5c3a\u5bf8\/#Final_Thought\" >\u6700\u540e\u60f3\u8bf4<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_are_Three_Phase_Transformers\"><\/span>\u4ec0\u4e48\u662f\u4e09\u76f8\u53d8\u538b\u5668\uff1f<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-47595\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Three-Phase-Transformer.png\" alt=\"\u4e09\u76f8\u53d8\u538b\u5668\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Three-Phase-Transformer.png 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Three-Phase-Transformer-150x84.png 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Three-Phase-Transformer-768x432.png 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Three-Phase-Transformer-18x10.png 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u4e09\u76f8\u53d8\u538b\u5668\u662f\u4e00\u79cd\u5229\u7528\u7535\u78c1\u611f\u5e94\u539f\u7406\u4f20\u8f93\u548c\u5206\u914d\u76f8\u540c\u9891\u7387\u4f46\u901a\u5e38\u7535\u538b\u7b49\u7ea7\u4e0d\u540c\u7684\u4e09\u76f8\u4ea4\u6d41\u7535\u7684\u9759\u6001\u7535\u6c14\u8bbe\u5907\u3002.<\/p>\n<p>\u4e09\u76f8\u53d8\u538b\u5668\u4e3b\u8981\u7531\u51e0\u4e2a\u4e3b\u8981\u7cfb\u7edf\u7ec4\u6210\uff1a\u78c1\u8def\u7cfb\u7edf\u3001\u7535\u8def\u7cfb\u7edf\u3001\u7edd\u7f18\u51b7\u5374\u7cfb\u7edf\u3001\u4fdd\u62a4\u76d1\u63a7\u7cfb\u7edf\u4ee5\u53ca\u7ed3\u6784\u90e8\u4ef6\u548c\u5916\u58f3\u3002\u5b83\u4eec\u5206\u522b\u63d0\u4f9b\u9ad8\u6548\u7684\u78c1\u8def\uff0c\u5b9e\u73b0\u7535\u80fd\u7684\u8f93\u5165\u3001\u8f93\u51fa\u548c\u7535\u538b\u8f6c\u6362\uff0c\u9a8c\u8bc1\u7535\u6c14\u7edd\u7f18\u548c\u6563\u70ed\uff0c\u5e76\u4fdd\u8bc1\u5b89\u5168\u8fd0\u884c\u548c\u72b6\u6001\u63a7\u5236\u3002 <a href=\"https:\/\/www.kdmsteel.com\/zh\/\u53d8\u538b\u5668\u5916\u58f3\/\">\u53d8\u538b\u5668<\/a>, \u5e76\u5b9e\u73b0\u673a\u68b0\u652f\u6491\u3001\u4fdd\u62a4\u548c\u7535\u6c14\u8fde\u63a5\u3002.<\/p>\n<p>\u4e09\u76f8\u53d8\u538b\u5668\u901a\u8fc7\u5404\u7cfb\u7edf\u95f4\u7684\u7cbe\u786e\u534f\u8c03\uff0c\u5b9e\u73b0\u4e86\u9ad8\u6548\u3001\u53ef\u9760\u3001\u7075\u6d3b\u7684\u7535\u529b\u8f6c\u6362\u548c\u4f20\u8f93\uff0c\u6210\u4e3a\u73b0\u4ee3\u7535\u7f51\u7684\u57fa\u77f3\u3002\u5b83\u5229\u7528\u5171\u7528\u78c1\u82af\uff0c\u80fd\u591f\u9ad8\u6548\u5730\u5c06\u4e09\u76f8\u7535\u6e90\u7684\u4e09\u79cd\u7535\u538b\u8f6c\u6362\u5230\u53e6\u4e00\u4e2a\u4e09\u76f8\u7cfb\u7edf\u4e2d\u3002\u4ece\u53d1\u7535\u3001\u8f93\u7535\u5230\u914d\u7535\uff0c\u4e09\u76f8\u53d8\u538b\u5668\u5df2\u6210\u4e3a\u73b0\u4ee3\u7535\u529b\u7cfb\u7edf\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u91cd\u8981\u8bbe\u5907\u3002.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Three_Phase_Transformer_Sizes\"><\/span>\u4e09\u76f8\u53d8\u538b\u5668\u5c3a\u5bf8<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u901a\u5e38\uff0c\u5c0f\u578b\u4e09\u76f8\u53d8\u538b\u5668\u7684\u5c3a\u5bf8\u4e3b\u8981\u6839\u636e\u5176\u989d\u5b9a\u5bb9\u91cf\uff08KVA\uff09\u8fdb\u884c\u5206\u7c7b\u3002\u7136\u800c\uff0c\u8fd9\u79cd\u5206\u7c7b\u5e76\u975e\u7edd\u5bf9\uff0c\u8fd8\u4f1a\u6839\u636e\u4f7f\u7528\u60c5\u51b5\u548c\u51b7\u5374\u65b9\u5f0f\u800c\u6709\u6240\u53d8\u5316\u3002\u4ee5\u4e0b\u57fa\u4e8e\u5e38\u8bc6\u548c\u5178\u578b\u5e94\u7528\u573a\u666f\uff0c\u5bf9\u4e09\u79cd\u7c7b\u578b\u7684\u4e09\u76f8\u53d8\u538b\u5668\u8fdb\u884c\u89e3\u91ca\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Small_Three_Phase_Transformers\"><\/span>\u5c0f\u578b\u4e09\u76f8\u53d8\u538b\u5668<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong><b>\u5178\u578b\u8bc4\u7ea7<\/b><\/strong>\u5c0f\u578b\u4e09\u76f8\u53d8\u538b\u5668\u7684\u989d\u5b9a\u5bb9\u91cf\u901a\u5e38\u5728 10kVA \u81f3 500kVA \u4e4b\u95f4\u3002\u5178\u578b\u7684\u53d8\u538b\u5668 kVA \u5bb9\u91cf\u5305\u62ec 15kVA\u300130kVA\u300150kVA\u3001100kVA\u3001250kVA \u548c 500kVA\u3002.<\/p>\n<p><strong><b>\u7279\u5f81<\/b><\/strong>\u5c0f\u578b\u4e09\u76f8\u53d8\u538b\u5668\u8bbe\u8ba1\u8ffd\u6c42\u5c0f\u578b\u5316\u3001\u7ed3\u6784\u7d27\u51d1\uff0c\u9002\u7528\u4e8e\u5e73\u53f0\u6216\u5ba4\u5185\u914d\u7535\u5ba4\u5b89\u88c5\u3002\u6807\u51c6\u5c3a\u5bf8\u7684\u4e09\u76f8\u53d8\u538b\u5668\u8bbe\u8ba1\u4e5f\u6709\u52a9\u4e8e\u63a7\u5236\u5236\u9020\u6210\u672c\u3002\u51b7\u5374\u65b9\u5f0f\u591a\u4e3a\u6cb9\u6d78\u5f0f\uff08ONAN\uff09\u3001\u5e72\u5f0f\uff08AN\uff09\u6216\u5e72\u5f0f\uff08AF\uff09\u3002.<\/p>\n<p><strong><b>\u5e38\u89c1\u7528\u9014<\/b><\/strong>\u8fd9\u79cd\u5c3a\u5bf8\u7684\u4e09\u76f8\u53d8\u538b\u5668\u901a\u5e38\u7528\u4e8e\u4e3a\u5c0f\u578b\u5de5\u4e1a\u8bbe\u5907\u3001\u5546\u4e1a\u4e2d\u5fc3\u548c\u5efa\u7b51\u7269\u7684\u7279\u5b9a\u533a\u57df\u63d0\u4f9b\u72ec\u7acb\u3001\u5b89\u5168\u7684\u7535\u6e90\u3002.<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-47593\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Small-Three-Phase-Transformers.png\" alt=\"\u5c0f\u578b\u4e09\u76f8\u53d8\u538b\u5668\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Small-Three-Phase-Transformers.png 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Small-Three-Phase-Transformers-150x84.png 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Small-Three-Phase-Transformers-768x432.png 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Small-Three-Phase-Transformers-18x10.png 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Medium_Three_Phase_Transformers\"><\/span>\u4e2d\u578b\u4e09\u76f8\u53d8\u538b\u5668<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong><b>\u5178\u578b\u8bc4\u7ea7<\/b><\/strong>\u4e2d\u578b\u4e09\u76f8\u53d8\u538b\u5668\u7684\u989d\u5b9a\u5bb9\u91cf\u901a\u5e38\u5728500kVA\u81f310MVA\uff0810,000kVA\uff09\u8303\u56f4\u5185\u3002\u5178\u578b\u7684\u53d8\u538b\u5668kVA\u89c4\u683c\u53ea\u6709750kVA\u30011MVA\u30012.5MVA\u30015MVA\u30017.5MVA\u548c10MVA\u3002.<\/p>\n<p><strong><b>\u7279\u5f81<\/b><\/strong>\u4e2d\u578b\u4e09\u76f8\u53d8\u538b\u5668\u80fd\u591f\u5728\u6210\u672c\u3001\u6548\u7387\u548c\u53ef\u9760\u6027\u4e4b\u95f4\u53d6\u5f97\u6700\u4f73\u5e73\u8861\uff0c\u56e0\u6b64\u4e5f\u662f\u6280\u672f\u6700\u6210\u719f\u3001\u5e94\u7528\u6700\u5e7f\u6cdb\u7684\u7c7b\u522b\u3002.<\/p>\n<p>\u6839\u636e\u8d1f\u8f7d\u7387\u548c\u73af\u5883\u6761\u4ef6\uff0c\u4e2d\u578b\u4e09\u76f8\u53d8\u538b\u5668\u901a\u5e38\u91c7\u7528\u6cb9\u6d78\u5f0f\u51b7\u5374\u65b9\u5f0f\uff0c\u4f8b\u5982\u6cb9\u6d78\u81ea\u7136\u98ce\u51b7\uff08ONAN\uff09\u548c\u6cb9\u6d78\u81ea\u7136\u98ce\u5f3a\u5236\u51b7\u5374\uff08ONAF\uff09\u3002\u5bf9\u4e8e\u5e72\u5f0f\u4e09\u76f8\u53d8\u538b\u5668\uff0c\u901a\u5e38\u91c7\u7528\u5f3a\u5236\u98ce\u51b7\uff08AF\uff09\u3002\u6b64\u7c7b\u53d8\u538b\u5668\u7684\u5c3a\u5bf8\u4e5f\u80fd\u6ee1\u8db3\u8f83\u9ad8\u7684\u5b9a\u5236\u5316\u9700\u6c42\u3002.<\/p>\n<p><strong><b>\u5e38\u89c1\u7528\u9014<\/b><\/strong>: <a href=\"https:\/\/www.kdmsteel.com\/zh\/\u4e2d\u538b\u53d8\u538b\u5668\/\">\u4e2d\u578b\u53d8\u538b\u5668<\/a>\u00a0\u53ef\u7528\u4e8e\u533a\u57df\u914d\u7535\u548c\u8f93\u7535\u67a2\u7ebd\uff0c\u6216\u5b89\u88c5\u5728\u5927\u578b\u5546\u4e1a\u8bbe\u65bd\u7684\u914d\u7535\u5ba4\u6216\u5de5\u4e1a\u5de5\u5382\u7684\u4e3b\u914d\u7535\u53d8\u7535\u7ad9\u4e2d\u3002.<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-47592\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Medium-Three-Phase-Transformers.png\" alt=\"\u4e2d\u578b\u4e09\u76f8\u53d8\u538b\u5668\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Medium-Three-Phase-Transformers.png 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Medium-Three-Phase-Transformers-150x84.png 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Medium-Three-Phase-Transformers-768x432.png 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Medium-Three-Phase-Transformers-18x10.png 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Large_Three_Phase_Transformers\"><\/span>\u5927\u578b\u4e09\u76f8\u53d8\u538b\u5668<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong><b>\u5178\u578b\u8bc4\u7ea7<\/b><\/strong>\u5927\u578b\u4e09\u76f8\u53d8\u538b\u5668\u7684\u5bb9\u91cf\u901a\u5e38\u8d85\u8fc710MVA\uff0c\u6700\u5927\u53ef\u8fbe1000MVA\u4ee5\u4e0a\u3002\u5178\u578b\u7684\u53d8\u538b\u5668\u5bb9\u91cf\uff08kVA\uff09\u5305\u62ec20MVA\u300150MVA\u3001100MVA\u548c250MVA\u3002.<\/p>\n<p><strong><b>\u7279\u5f81<\/b><\/strong>\u5927\u578b\u4e09\u76f8\u53d8\u538b\u5668\u7684\u751f\u4ea7\u6280\u672f\u8f83\u4e3a\u590d\u6742\uff0c\u51e0\u4e4e\u90fd\u9700\u8981\u5b9a\u5236\u751f\u4ea7\u3002.<\/p>\n<p>\u5176\u4e2d\uff0c\u7edd\u7f18\u8bbe\u8ba1\u662f\u751f\u4ea7\u4e2d\u7684\u4e00\u5927\u96be\u9898\uff0c\u53d8\u538b\u5668\u5fc5\u987b\u91c7\u7528\u5f3a\u5236\u51b7\u5374\u65b9\u5f0f\u6765\u62b5\u6d88\u5927\u529f\u7387\u4f20\u8f93\u4ea7\u751f\u7684\u70ed\u91cf\u3002.<\/p>\n<p>\u8d85\u9ad8\u529f\u7387\u4f20\u8f93\u548c\u5f3a\u5927\u7684\u51b7\u5374\u80fd\u529b\u4e0d\u53ef\u907f\u514d\u5730\u4f1a\u5e26\u6765\u5de8\u5927\u7684\u7269\u7406\u5c3a\u5bf8\u548c\u91cd\u91cf\uff0c\u540c\u65f6\u4e5f\u9700\u8981\u6781\u9ad8\u7684\u6548\u7387\u3002.<\/p>\n<p><strong><b>\u5e38\u89c1\u7528\u9014<\/b><\/strong>\u5927\u578b\u4e09\u76f8\u53d8\u538b\u5668\u53ef\u7528\u4f5c\u706b\u7535\u3001\u6c34\u7535\u3001\u6838\u7535\u5382\u7684\u4e3b\u53d8\u538b\u5668\uff0c\u4e5f\u53ef\u7528\u4f5c\u7279\u9ad8\u538b\u6216\u8d85\u9ad8\u538b\u53d8\u7535\u7ad9\u7684\u4e3b\u53d8\u538b\u5668\uff0c\u6216\u7528\u4f5c\u5927\u578b\u53ef\u518d\u751f\u80fd\u6e90\u57fa\u5730\u7684\u96c6\u8f93\u5347\u538b\u53d8\u7535\u7ad9\u3002.<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-47591\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Large-Three-Phase-Transformers.png\" alt=\"\u5927\u578b\u4e09\u76f8\u53d8\u538b\u5668\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Large-Three-Phase-Transformers.png 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Large-Three-Phase-Transformers-150x84.png 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Large-Three-Phase-Transformers-768x432.png 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Large-Three-Phase-Transformers-18x10.png 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_to_Size_a_Three_Phase_Transformer\"><\/span>\u5982\u4f55\u786e\u5b9a\u4e09\u76f8\u53d8\u538b\u5668\u7684\u5bb9\u91cf\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u9009\u62e9\u4e09\u76f8\u53d8\u538b\u5668\u65f6\uff0c\u8981\u786e\u5b9a\u5176\u989d\u5b9a\u5bb9\u91cf\uff08kVA\/MVA\uff09\u548c\u989d\u5b9a\u7535\u538b\uff0c\u4ee5\u786e\u4fdd\u80fd\u591f\u5b89\u5168\u5730\u4e3a\u8d1f\u8f7d\u4f9b\u7535\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Determine_the_Load_Power\"><\/span>\u786e\u5b9a\u8d1f\u8f7d\u529f\u7387<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u786e\u5b9a\u8d1f\u8f7d\u529f\u7387\u662f\u6700\u57fa\u672c\u4e5f\u662f\u6700\u5173\u952e\u7684\u6b65\u9aa4\u3002\u5728\u8fd9\u4e00\u6b65\uff0c\u60a8\u9700\u8981\u8ba1\u7b97\u6240\u6709\u8d1f\u8f7d\u8bbe\u5907\u6240\u9700\u7684\u603b\u89c6\u5728\u529f\u7387\uff08kVA\uff09\uff0c\u800c\u4e0d\u662f\u6709\u529f\u529f\u7387\uff08kW\uff09\u3002.<\/p>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5217\u51fa\u53d8\u538b\u5668\u5c06\u8981\u4f9b\u7535\u7684\u6240\u6709\u8d1f\u8f7d\u3002\u8fd9\u4e9b\u8d1f\u8f7d\u7684\u5173\u952e\u53c2\u6570\u5305\u62ec\u989d\u5b9a\u529f\u7387\uff08kW\uff09\u548c\u529f\u7387\u56e0\u6570\uff08PF\uff09\u3002\u7136\u540e\uff0c\u60a8\u8fd8\u9700\u8981\u5c06\u6bcf\u4e2a\u8d1f\u8f7d\u7684\u529f\u7387\u8f6c\u6362\u4e3a\u5343\u4f0f\u5b89\uff08kVA\uff09\u3002\u5bf9\u4e8e\u4e09\u76f8\u8d1f\u8f7d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u516c\u5f0f\uff1a\u8d1f\u8f7d\uff08kVA\uff09= \u8d1f\u8f7d\u6709\u529f\u529f\u7387\uff08kW\uff09\/\u529f\u7387\u56e0\u6570\uff08PF\uff09\u3002.<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5e76\u975e\u6240\u6709\u8bbe\u5907\u90fd\u4f1a\u540c\u65f6\u6ee1\u8d1f\u8377\u8fd0\u884c\u3002\u56e0\u6b64\uff0c\u60a8\u9700\u8981\u6839\u636e\u884c\u4e1a\u6807\u51c6\u6216\u5b9e\u9645\u8fd0\u884c\u7ecf\u9a8c\u9009\u62e9\u4e00\u4e2a\u5c0f\u4e8e 1 \u7684\u9700\u6c42\u7cfb\u6570\uff0c\u5e76\u5c06\u5176\u4e58\u4ee5\u603b\u8fde\u63a5\u8d1f\u8f7d\u3002\u6700\u540e\uff0c\u5c06\u6240\u6709\u8d1f\u8f7d\u7684 kVA \u503c\u76f8\u52a0\uff0c\u5373\u53ef\u5f97\u5230\u5f53\u524d\u8fd0\u884c\u6240\u9700\u7684\u6700\u5c0f kVA \u503c\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Add_Future_Growth_and_Margin\"><\/span>\u589e\u52a0\u672a\u6765\u589e\u957f\u548c\u5229\u6da6<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u4f5c\u4e3a\u957f\u671f\u8d44\u4ea7\uff0c\u53d8\u538b\u5668\u4e0d\u80fd\u957f\u65f6\u95f4\u6ee1\u8f7d\u8fd0\u884c\uff0c\u5426\u5219\u4f1a\u7f29\u77ed\u4f7f\u7528\u5bff\u547d\u5e76\u589e\u52a0\u635f\u8017\u3002\u56e0\u6b64\uff0c\u9700\u8981\u9884\u7559\u4e00\u5b9a\u7684\u8fd0\u884c\u88d5\u91cf\u4ee5\u786e\u4fdd\u5b89\u5168\u8fd0\u884c\uff0c\u901a\u5e38\u4e3a 10% \u81f3 15%\u3002.<\/p>\n<p>\u60a8\u8fd8\u9700\u8981\u8003\u8651\u4e09\u76f8\u53d8\u538b\u5668\u7684\u957f\u671f\u53d1\u5c55\u3002\u6839\u636e\u8d35\u516c\u53f8\u6216\u9879\u76ee\u7684\u89c4\u5212\uff0c\u4f30\u7b97\u672a\u6765\u51e0\u5e74\u8d1f\u8377\u53ef\u80fd\u7684\u589e\u957f\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u672a\u6765\u589e\u52a0\u7684\u4f59\u91cf\u53ef\u80fd\u4f1a\u589e\u52a0\u7ea6 20% \u81f3 30%\u3002.<\/p>\n<p>\u56e0\u6b64\uff0c\u60a8\u53ef\u4ee5\u8ba1\u7b97\u60a8\u7684\u603b\u5bb9\u91cf\u9700\u6c42\uff0ckVA = \u5f53\u524d\u8fd0\u884c\u9700\u6c42 * (1 + \u672a\u6765\u589e\u957f % + \u5b89\u5168\u88d5\u5ea6 %)<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Select_Primary_and_Secondary_Voltages\"><\/span>\u9009\u62e9\u521d\u7ea7\u548c\u6b21\u7ea7\u7535\u538b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5728\u8fd9\u4e2a\u9636\u6bb5\uff0c\u4f60\u9700\u8981\u6839\u636e\u7535\u6e90\u548c\u8d1f\u8f7d\u9009\u62e9\u5408\u9002\u7684\u7535\u538b\u3002\u4e00\u6b21\u4fa7\u7684\u8f93\u5165\u9ad8\u538b\u901a\u5e38\u7531\u7535\u7f51\u51b3\u5b9a\u3002\u5317\u7f8e\u5e38\u89c1\u7684\u7535\u538b\u670912.47kV\u30014.16kV\u7b49\uff0c\u4e2d\u56fd\u5e38\u89c1\u7684\u7535\u538b\u670910kV\u300135kV\u3001110kV\u7b49\u3002.<\/p>\n<p>\u4e8c\u6b21\u7535\u538b\uff0c\u4e5f\u5c31\u662f\u4f4e\u8f93\u51fa\u7535\u538b\uff0c\u901a\u5e38\u7531\u5de5\u5382\u6216\u5efa\u7b51\u7269\u5185\u7684\u7535\u6c14\u8bbe\u5907\u51b3\u5b9a\u3002\u6b27\u6d32\u548c\u4e2d\u56fd\u7684\u5e38\u7528\u6807\u51c6\u662f400V\/230V\uff0c\u800c\u5317\u7f8e\u5219\u4e3a480V\/277V\u548c208V\/120V\u3002\u6b64\u5916\uff0c\u8fd8\u9700\u8981\u786e\u8ba4\u53d8\u538b\u5668\u662f\u5426\u914d\u5907\u6709\u5206\u63a5\u5f00\u5173\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u9002\u5e94\u7535\u7f51\u7535\u538b\u7684\u6ce2\u52a8\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Calculate_Full_Load_Current\"><\/span>\u8ba1\u7b97\u6ee1\u8f7d\u7535\u6d41<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u8ba1\u7b97\u6ee1\u8f7d\u7535\u6d41\u53ef\u4ee5\u66f4\u597d\u5730\u4fdd\u62a4\u5f00\u5173\u3001\u7535\u7f06\u548c\u6821\u51c6\u8bbe\u5907\u3002\u5e38\u7528\u7684\u516c\u5f0f\u4e3a\uff1a\u6ee1\u8f7d\u7535\u6d41\uff08\u5b89\u57f9\uff09=kVA*1000\/\uff08\u7535\u538b\uff08\u4f0f\u7279\uff09*\u221a3\uff09\u3002.<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u221a3 \u901a\u5e38\u53d6\u503c\u4e3a 1.732\u3002\u4f60\u9700\u8981\u5206\u522b\u8ba1\u7b97\u521d\u7ea7\u4fa7\u548c\u6b21\u7ea7\u4fa7\u7684\u7535\u6d41\uff0c\u5e76\u5229\u7528\u8ba1\u7b97\u7ed3\u679c\u9009\u62e9\u4e24\u4fa7\u76f8\u5e94\u7684\u5668\u4ef6\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Choose_Transformer_Connection\"><\/span>\u9009\u62e9\u53d8\u538b\u5668\u8fde\u63a5<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-47597\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Three-Phase-Transformers-3.png\" alt=\"\u4e09\u76f8\u53d8\u538b\u5668\uff083\uff09\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Three-Phase-Transformers-3.png 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Three-Phase-Transformers-3-150x84.png 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Three-Phase-Transformers-3-768x432.png 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Three-Phase-Transformers-3-18x10.png 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u60a8\u9700\u8981\u9009\u62e9\u5408\u9002\u7684\u7ed5\u7ec4\u914d\u7f6e\uff0c\u56e0\u4e3a\u5b83\u4f1a\u5f71\u54cd\u7535\u538b\u53ef\u7528\u6027\u548c\u8c10\u6ce2\u6291\u5236\u3002\u4ee5\u4e0b\u662f\u5e38\u89c1\u7684\u7ed5\u7ec4\u914d\u7f6e\u3002.<\/p>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"248\">\u8054\u7cfb<\/td>\n<td width=\"266\">\u4e3b\/\u9ad8\u4fa7<\/td>\n<td width=\"296\">\u4e8c\u7ea7\/\u4f4e\u4fa7<\/td>\n<td width=\"406\">\u4e3b\u8981\u7279\u70b9\u53ca\u5e94\u7528<\/td>\n<\/tr>\n<tr>\n<td width=\"248\">Delta-Wye(\u0394-Y)<\/td>\n<td width=\"266\">\u4e09\u89d2\u6d32<\/td>\n<td width=\"296\">\u6000\u4f0a<\/td>\n<td width=\"406\">\u6700\u5e38\u7528\u7684\u65b9\u5f0f\u3002\u4e8c\u6b21\u4fa7\u53ef\u4e3a\u5355\u76f8\u8d1f\u8f7d\u548c\u4e09\u76f8\u7535\u673a\u63d0\u4f9b\u7a33\u5b9a\u7684\u4e2d\u6027\u70b9\u3002\u8fd9\u79cd\u8fde\u63a5\u65b9\u5f0f\u6709\u52a9\u4e8e\u6291\u5236\u4e09\u6b21\u8c10\u6ce2\uff0c\u9002\u7528\u4e8e\u73b0\u4ee3\u914d\u7535\u7cfb\u7edf\u3002.<\/td>\n<\/tr>\n<tr>\n<td width=\"248\">\u0394-\u0394<\/td>\n<td width=\"266\">\u4e09\u89d2\u6d32<\/td>\n<td width=\"296\">\u4e09\u89d2\u6d32<\/td>\n<td width=\"406\">\u5b83\u9002\u7528\u4e8e\u7eaf\u4e09\u76f8\u5de5\u4e1a\u8d1f\u8f7d\uff0c\u4f8b\u5982\u5927\u578b\u7535\u673a\u548c\u6574\u6d41\u8bbe\u5907\u3002\u4e0d\u5b58\u5728\u4e09\u6b21\u8c10\u6ce2\u73af\u6d41\u95ee\u9898\uff0c\u4f46\u6ca1\u6709\u4e2d\u6027\u70b9\u3002.<\/td>\n<\/tr>\n<tr>\n<td width=\"248\">\u661f\u5f62 (YY)<\/td>\n<td width=\"266\">\u6000\u4f0a<\/td>\n<td width=\"296\">\u6000\u4f0a<\/td>\n<td width=\"406\">\u5e38\u7528\u4e8e\u8001\u65e7\u5de5\u4e1a\u7cfb\u7edf\u3002\u5bf9\u4e09\u76f8\u4e0d\u5e73\u8861\u8d1f\u8f7d\u548c\u4e2d\u6027\u70b9\u504f\u79fb\u8f83\u4e3a\u654f\u611f\u3002\u9002\u7528\u4e8e\u4e09\u76f8\u529f\u7387\u8d1f\u8f7d\u5360\u4e3b\u5bfc\u5730\u4f4d\uff0c\u800c\u5355\u76f8\u8d1f\u8f7d\u8f83\u5c0f\u4e14\u5e73\u8861\u7684\u573a\u5408\u3002.<\/td>\n<\/tr>\n<tr>\n<td width=\"248\">Y-\u0394<\/td>\n<td width=\"266\">\u6000\u4f0a<\/td>\n<td width=\"296\">\u4e09\u89d2\u6d32<\/td>\n<td width=\"406\">\u53d8\u7535\u7ad9\u4e2d\u5e38\u7528\u7684\u964d\u538b\u53d8\u538b\u5668\u5c06\u9ad8\u538b\u964d\u81f3\u4e2d\u538b\u3002\u5176\u4e8c\u6b21\u4fa7\u6ca1\u6709\u4e2d\u6027\u70b9\u3002.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><strong><b>\u7b14\u8bb0<\/b><\/strong>\u5bf9\u4e8e\u5927\u591a\u6570\u5de5\u4e1a\u548c\u5546\u4e1a\u5efa\u7b51\u7684\u914d\u7535\u800c\u8a00\uff0cDelta-Wye (\u0394-Y) \u8fde\u63a5\u7ec4\u662f\u9996\u9009\u914d\u7f6e\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Select_Standard_Transformer_Rating\"><\/span>\u9009\u62e9\u6807\u51c6\u53d8\u538b\u5668\u989d\u5b9a\u503c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u53d8\u538b\u5668\u5fc5\u987b\u6309\u7167\u6807\u51c6\u5bb9\u91cf\u7cfb\u5217\u751f\u4ea7\uff0c\u5bb9\u91cf\u4e0d\u80fd\u968f\u610f\u5b9a\u5236\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u60a8\u53ef\u4ee5\u5bfb\u627e\u6700\u63a5\u8fd1\u60a8\u5bb9\u91cf\u9700\u6c42\u7684\u6807\u51c6\u4e09\u76f8\u53d8\u538b\u5668\u89c4\u683c\u3002.<\/p>\n<p>\u6839\u636eIEC\u6807\u51c6\u7cfb\u5217\uff08kVA\uff09\uff1a75 kVA\u3001100 kVA\u3001125 kVA\u3001160 kVA\u3001200 kVA\u3001250 kVA\u3001315 kVA\u3001400 kVA\u3001500 kVA\u3001630 kVA\u3001800 kVA\u30011000 kVA\u7b49\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u7684\u5bb9\u91cf\u9700\u6c42\u4e3a145.6 kVA\uff0c\u5219\u9700\u8981\u5bfb\u627e\u66f4\u5927\u4e14\u66f4\u63a5\u8fd1\u60a8\u9700\u6c42\u7684\u6807\u51c6\u53d8\u538b\u5668\u3002\u56e0\u6b64\uff0c\u6700\u7ec8\u60a8\u53ef\u4ee5\u9009\u62e9\u7b26\u5408IEC\u6807\u51c6\u7684160 kVA\u53d8\u538b\u5668\u3002.<\/p>\n<p>\u6700\u540e\uff0c\u60a8\u8fd8\u9700\u8981\u6839\u636e\u6700\u7ec8\u9009\u5b9a\u7684\u989d\u5b9a\u5bb9\u91cf\u91cd\u65b0\u8ba1\u7b97\u53d8\u538b\u5668\u7684\u989d\u5b9a\u6ee1\u8f7d\u7535\u6d41\uff0c\u4ee5\u4fdd\u62a4\u7535\u5668\u8bbe\u5907\u3002.<\/p>\n<p>\u57fa\u4e8e\u6b64\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u63a8\u5bfc\u51fa\u4e09\u76f8\u53d8\u538b\u5668\u5728\u6280\u672f\u4e0a\u5408\u7406\u4e14\u7ecf\u6d4e\u4e0a\u6700\u4f18\u7684\u5bb9\u91cf\u3002\u6b64\u5916\uff0c\u60a8\u8fd8\u9700\u8981\u9075\u5b88\u56fd\u5bb6\u548c\u5730\u65b9\u7684\u7535\u6c14\u8bbe\u8ba1\u6807\u51c6\u3002\u5efa\u8bae\u60a8\u8bf7\u4e13\u4e1a\u7535\u6c14\u5de5\u7a0b\u5e08\u8fdb\u884c\u6700\u7ec8\u5ba1\u6838\u548c\u786e\u8ba4\u3002.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Factors_Affect_the_Size_of_a_Three-phase_Transformer\"><\/span>\u5f71\u54cd\u4e09\u76f8\u53d8\u538b\u5668\u5c3a\u5bf8\u7684\u56e0\u7d20\u6709\u54ea\u4e9b\uff1f<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-47598\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Three-Phase-Transformers.png\" alt=\"\u4e09\u76f8\u53d8\u538b\u5668\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Three-Phase-Transformers.png 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Three-Phase-Transformers-150x84.png 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Three-Phase-Transformers-768x432.png 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Three-Phase-Transformers-18x10.png 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Total_Load\"><\/span>\u603b\u8d1f\u8377<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u8fd9\u662f\u51b3\u5b9a\u53d8\u538b\u5668\u5c3a\u5bf8\u7684\u6700\u76f4\u63a5\u56e0\u7d20\u3002\u968f\u7740\u8d1f\u8f7d\u7684\u589e\u52a0\uff0c\u94c1\u82af\u548c\u7ed5\u7ec4\u7684\u6a2a\u622a\u9762\u79ef\u4e5f\u4f1a\u589e\u52a0\u3002\u51e0\u4e4e\u6bcf\u589e\u52a0\u4e00\u500d\u7684\u5bb9\u91cf\uff08kVA\uff09\uff0c\u53d8\u538b\u5668\u7684\u5c3a\u5bf8\u548c\u91cd\u91cf\u90fd\u4f1a\u589e\u52a0\u5230\u539f\u6765\u7684\u4e24\u500d\u5de6\u53f3\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Power_Factor\"><\/span>\u529f\u7387\u56e0\u6570<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u4f4e\u529f\u7387\u56e0\u6570\u610f\u5473\u7740\u7cfb\u7edf\u9700\u8981\u4f20\u8f93\u66f4\u5927\u7684\u7535\u6d41\uff08kVA\uff09\u624d\u80fd\u63d0\u4f9b\u76f8\u540c\u7684\u6709\u529f\u529f\u7387\uff08kW\uff09\u3002\u4f4e\u529f\u7387\u56e0\u6570\u9700\u8981\u66f4\u5927\u5bb9\u91cf\u7684\u53d8\u538b\u5668\u548c\u66f4\u5927\u7684\u7ed5\u7ec4\u6a2a\u622a\u9762\u79ef\u3002\u8fd9\u4e5f\u4f1a\u5f71\u54cd\u53d8\u538b\u5668\u7684\u5c3a\u5bf8\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Load_Type\"><\/span>\u8d1f\u8f7d\u7c7b\u578b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u53d8\u538b\u5668\u7684\u989d\u5b9a\u5bb9\u91cf\u53ef\u4ee5\u76f4\u63a5\u6839\u636e\u7ebf\u6027\u8d1f\u8f7d\u7684\u5343\u4f0f\u5b89\u9700\u6c42\u6765\u786e\u5b9a\u3002\u7136\u800c\uff0c\u5bf9\u4e8e\u975e\u7ebf\u6027\u8d1f\u8f7d\u4ea7\u751f\u7684\u8c10\u6ce2\u7535\u6d41\uff0c\u53d8\u538b\u5668\u901a\u5e38\u9700\u8981\u7279\u6b8a\u8bbe\u8ba1\u3002.<\/p>\n<p>\u4f8b\u5982\uff0c\u4f7f\u7528\u8f83\u5c0f\u7684\u5bb9\u91cf\u4f1a\u589e\u52a0\u5c3a\u5bf8\uff0c\u4f7f\u7528\u635f\u8017\u8f83\u5c0f\u7684\u7ed5\u7ec4\u7ed3\u6784\uff0c\u751a\u81f3\u4f7f\u7528\u4e13\u7528\u8c10\u6ce2\u5c4f\u853d\u7ec4\u4f1a\u589e\u52a0\u7269\u7406\u5c3a\u5bf8\u548c\u5236\u9020\u6210\u672c\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Voltage_and_Current_Level\"><\/span>\u7535\u538b\u548c\u7535\u6d41\u6c34\u5e73<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u521d\u7ea7\u4fa7\u7535\u538b\u8d8a\u9ad8\uff0c\u6240\u9700\u7684\u7edd\u7f18\u8ddd\u79bb\u5c31\u8d8a\u5927\u3002\u8fd9\u4f1a\u5bfc\u81f4\u7edd\u7f18\u5c42\u66f4\u539a\u3001\u7ed5\u7ec4\u5c3a\u5bf8\u66f4\u5927\u3001\u722c\u7535\u8ddd\u79bb\u66f4\u957f\u7b49\u7b49\u3002\u6b21\u7ea7\u4fa7\u7535\u6d41\u8d8a\u5927\uff0c\u6240\u9700\u5bfc\u4f53\u7684\u6a2a\u622a\u9762\u79ef\u5c31\u8d8a\u5927\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Future_Expansion\"><\/span>\u672a\u6765\u6269\u5c55<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u672a\u6765\u7684\u6269\u5bb9\u5c06\u589e\u52a0\u94c1\u82af\u3001\u7ed5\u7ec4\u548c\u51b7\u5374\u7cfb\u7edf\u7684\u5c3a\u5bf8\u3002\u8fd9\u4e5f\u4f1a\u5bfc\u81f4\u53d8\u538b\u5668\u5728\u8f7b\u8f7d\u4e0b\u8fd0\u884c\uff0c\u4ece\u800c\u964d\u4f4e\u5176\u8fd0\u884c\u6548\u7387\u548c\u7ecf\u6d4e\u6548\u76ca\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Design_and_Material\"><\/span>\u8bbe\u8ba1\u4e0e\u6750\u6599<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u4e0d\u540c\u7684\u82af\u6750\u4f1a\u5bf9\u82af\u4f53\u7684\u6a2a\u622a\u9762\u79ef\u548c\u91cd\u91cf\u4ea7\u751f\u5f88\u5927\u5f71\u54cd\u3002\u5728\u76f8\u540c\u5bb9\u91cf\u4e0b\uff0c\u7845\u94a2\u7247\u4f1a\u964d\u4f4e\u82af\u4f53\u7684\u6a2a\u622a\u9762\u79ef\u548c\u91cd\u91cf\u3002.<\/p>\n<p>\u4e0d\u540c\u7684\u7ed5\u7ebf\u6750\u6599\u4e5f\u4f1a\u5f71\u54cd\u7ed5\u7ec4\u7684\u5c3a\u5bf8\u548c\u5236\u9020\u6210\u672c\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u94dc\u7684\u5bfc\u7535\u6027\u66f4\u9ad8\uff0c\u56e0\u6b64\u7ed5\u7ec4\u5c3a\u5bf8\u66f4\u5c0f\u3002.<\/p>\n<p>\u66f4\u9ad8\u7684\u8010\u70ed\u7b49\u7ea7\u4f7f\u53d8\u538b\u5668\u80fd\u591f\u5904\u7406\u66f4\u5927\u7684\u8d1f\u8f7d\u7535\u6d41\uff0c\u5e76\u5b9e\u73b0\u7d27\u51d1\u7684\u8bbe\u8ba1\u3002.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_to_Choose_an_Appropriated_Three_Phase_Transformer_Sizes%EF%BC%9F\"><\/span>\u5982\u4f55\u9009\u62e9\u5408\u9002\u7684\u4e09\u76f8\u53d8\u538b\u5668\u5c3a\u5bf8\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5408\u9002\u7684\u4e09\u76f8\u53d8\u538b\u5668\u51b3\u5b9a\u7740\u7535\u529b\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u3001\u7ecf\u6d4e\u6027\u548c\u957f\u671f\u8fd0\u884c\u6548\u7387\u3002\u8fd9\u662f\u4e00\u4e2a\u7cfb\u7edf\u6027\u7684\u9879\u76ee\uff0c\u9002\u5408\u4f60\u6765\u505a\u3002.<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-47596\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Three-Phase-Transformers-2.png\" alt=\"\u4e09\u76f8\u53d8\u538b\u5668\uff082\uff09\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Three-Phase-Transformers-2.png 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Three-Phase-Transformers-2-150x84.png 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Three-Phase-Transformers-2-768x432.png 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Three-Phase-Transformers-2-18x10.png 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Accurate_Calculation_of_Electrical_Capacity\"><\/span>\u7cbe\u786e\u8ba1\u7b97\u7535\u5bb9\u91cf<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u60a8\u4ecd\u7136\u9700\u8981\u5217\u51fa\u4e09\u76f8\u53d8\u538b\u5668\u9700\u8981\u4f9b\u7535\u7684\u6240\u6709\u8d1f\u8f7d\u8bbe\u5907\u3002\u6b64\u5916\uff0c\u60a8\u8fd8\u9700\u8981\u8bb0\u5f55\u5173\u952e\u53c2\u6570\uff0c\u4f8b\u5982\u6bcf\u53f0\u8bbe\u5907\u7684\u989d\u5b9a\u529f\u7387\u548c\u529f\u7387\u56e0\u6570\u3002.<\/p>\n<p>\u60a8\u5e94\u53c2\u8003\u56fd\u5bb6\u6807\u51c6\u6216\u54a8\u8be2\u7ecf\u9a8c\u4e30\u5bcc\u7684\u5de5\u7a0b\u5e08\u6216\u884c\u4e1a\u4e13\u5bb6\uff0c\u786e\u5b9a\u5408\u9002\u7684\u7cfb\u6570\u3002\u5e76\u57fa\u4e8e\u8be5\u7cfb\u6570\uff0c\u8ba1\u7b97\u6574\u4e2a\u7cfb\u7edf\u7684\u6700\u5927\u7efc\u5408\u8d1f\u8377\u4e0e\u5404\u5b50\u7cfb\u7edf\u6700\u5927\u9700\u6c42\u4e4b\u548c\u7684\u6bd4\u503c\u3002.<\/p>\n<p>\u6700\u540e\uff0c\u6839\u636e\u516c\u5f0f\u6709\u529f\u529f\u7387\uff08kW\uff09=\u03a3\uff08\u8bbe\u5907\u88c5\u673a\u529f\u7387*\u6240\u9700\u7cfb\u6570\uff09*\u540c\u6b65\u7cfb\u6570\u8ba1\u7b97\u6709\u529f\u529f\u7387\u3002\u7136\u540e\uff0c\u8ba1\u7b97\u6240\u9700\u5bb9\u91cf\uff0ckVA=kW\/\u5e73\u5747\u529f\u7387\u56e0\u6570\u3002.<\/p>\n<p>\u5982\u4e0a\u6240\u8ff0\uff0c\u4ec5\u4ec5\u8ba1\u7b97\u6240\u9700\u5bb9\u91cf\u662f\u4e0d\u591f\u7684\u3002\u4e3a\u4e86\u8bbe\u5907\u7684\u5b89\u5168\u6027\u548c\u957f\u671f\u8fd0\u884c\uff0c\u8fd8\u9700\u8981\u8003\u8651\u672a\u6765\u7684\u88d5\u91cf\u4ee5\u53ca\u53d8\u538b\u5668\u7684\u6700\u4f73\u8d1f\u8f7d\u7387\u3002.<\/p>\n<p>\u5207\u52ff\u7b80\u5355\u5730\u5c06\u5404\u8bbe\u5907\u7684\u529f\u7387\u76f8\u52a0\u3002\u53d8\u538b\u5668\u529f\u7387\u9009\u62e9\u4e0d\u5f53\u4f1a\u5f71\u54cd\u60a8\u7684\u6295\u8d44\u6210\u672c\u3001\u7a7a\u8f7d\u635f\u8017\u548c\u7ecf\u6d4e\u6548\u76ca\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Selection_of_Appropriate_Technical_Type_of_Three-phase_Transformer\"><\/span>\u9009\u62e9\u5408\u9002\u7684\u4e09\u76f8\u53d8\u538b\u5668\u6280\u672f\u7c7b\u578b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u4e09\u76f8\u53d8\u538b\u5668\u4e00\u822c\u53ef\u5206\u4e3a\u6cb9\u6d78\u5f0f\u548c\u5e72\u5f0f\u4e24\u79cd\u7c7b\u578b\u3002\u5e72\u5f0f\u4e09\u76f8\u53d8\u538b\u5668\u9632\u706b\u6027\u80fd\u66f4\u9ad8\uff0c\u4e14\u65e0\u9700\u7ef4\u62a4\u3002\u6cb9\u6d78\u5f0f\u4e09\u76f8\u53d8\u538b\u5668\u8fc7\u8f7d\u80fd\u529b\u66f4\u5f3a\uff0c\u566a\u97f3\u66f4\u4f4e\u3002.<\/p>\n<p>\u4f8b\u5982\uff0c\u5b83\u4eec\u53ef\u5e94\u7528\u4e8e\u9ad8\u5c42\u5efa\u7b51\u3001\u5730\u4e0b\u8bbe\u65bd\u3001\u4eba\u53e3\u5bc6\u96c6\u533a\u6216\u6709\u9632\u706b\u9632\u7206\u8981\u6c42\u7684\u573a\u6240\u3002\u51fa\u4e8e\u5b89\u5168\u8003\u8651\uff0c\u5728\u8fd9\u4e9b\u60c5\u51b5\u4e0b\u5fc5\u987b\u9009\u62e9\u5e72\u5f0f\u53d8\u538b\u5668\u3002\u6237\u5916\u53d8\u7535\u7ad9\u548c\u5bf9\u6210\u672c\u654f\u611f\u7684\u5de5\u4e1a\u9879\u76ee\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u6cb9\u6d78\u5f0f\u53d8\u538b\u5668\u3002.<\/p>\n<p>\u603b\u7684\u6765\u8bf4\uff0c\u8fd9\u4e3b\u8981\u53d6\u51b3\u4e8e\u60a8\u7684\u5b89\u88c5\u73af\u5883\u3001\u5b89\u5168\u6807\u51c6\u548c\u7ef4\u62a4\u8981\u6c42\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Selection_of_Suitable_Cooling_Method\"><\/span>\u9009\u62e9\u5408\u9002\u7684\u51b7\u5374\u65b9\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5982\u679c\u8981\u4f18\u5316\u4e09\u76f8\u53d8\u538b\u5668\u7684\u5c3a\u5bf8\u548c\u8fd0\u884c\u7279\u6027\uff0c\u51b7\u5374\u65b9\u5f0f\u7684\u9009\u62e9\u4e5f\u5c24\u4e3a\u91cd\u8981\u3002.<\/p>\n<p>\u6839\u636eIEC\u6807\u51c6\uff0c\u6cb9\u6d78\u5f0f\u53d8\u538b\u5668\u7684\u51b7\u5374\u65b9\u5f0f\u5206\u4e3aONAN\u3001ONAF\u548cOFAF\u3002.<\/p>\n<p><strong><b>\u5965\u5357<\/b><\/strong>\u5b83\u7ed3\u6784\u7b80\u5355\u3001\u65e0\u566a\u97f3\u4e14\u65e0\u9700\u7ef4\u62a4\u3002\u4f46\u662f\uff0c\u5176\u6563\u70ed\u6548\u7387\u8f83\u4f4e\uff0c\u9002\u7528\u4e8e\u4e2d\u5c0f\u578b\u53d8\u538b\u5668\u3002.<\/p>\n<p><strong><b>ONAF<\/b><\/strong>\u5b83\u5177\u6709\u66f4\u9ad8\u7684\u6563\u70ed\u80fd\u529b\u548c\u66f4\u7d27\u51d1\u7684\u53d8\u538b\u5668\u8bbe\u8ba1\uff0c\u662f\u517c\u987e\u5c3a\u5bf8\u3001\u5bb9\u91cf\u548c\u6210\u672c\u7684\u4e3b\u6d41\u9009\u62e9\uff0c\u66f4\u9002\u5408\u4e2d\u5927\u578b\u53d8\u538b\u5668\u3002.<\/p>\n<p><strong><b>OFAF<\/b><\/strong>\u5b83\u7684\u6563\u70ed\u6548\u7387\u6700\u9ad8\uff0c\u4f46\u7ed3\u6784\u590d\u6742\uff0c\u7ef4\u62a4\u8981\u6c42\u9ad8\uff0c\u66f4\u9002\u5408\u5927\u578b\u548c\u8d85\u5927\u578b\u53d8\u538b\u5668\u3002.<\/p>\n<p>\u5e72\u5f0f\u53d8\u538b\u5668\u7684\u51b7\u5374\u65b9\u5f0f\u5206\u4e3a AN \u578b\u548c AF \u578b\u3002.<\/p>\n<p><strong><b>\u4e00\u4e2a<\/b><\/strong>\u8fd0\u884c\u5b89\u9759\uff0c\u4f46\u5236\u51b7\u80fd\u529b\u6709\u9650\u3002\u9002\u7528\u4e8e\u4e2d\u7b49\u529f\u7387\u3001\u4f4e\u8d1f\u8377\u7684\u5ba4\u5185\u73af\u5883\u3002.<\/p>\n<p><strong><b>\u7a7a\u519b<\/b><\/strong>\uff1a\u5728\u5b9e\u73b0\u66f4\u5927\u5bb9\u91cf\uff08kVA\uff09\u53d8\u538b\u5668\u7684\u540c\u65f6\uff0c\u4f53\u79ef\u66f4\u5c0f\u3002\u5b83\u662f\u8282\u7701\u5ba4\u5185\u7a7a\u95f4\u7684\u7406\u60f3\u9009\u62e9\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ensuring_Adequate_Transportation_Routes_and_Installation_Space\"><\/span>\u786e\u4fdd\u5145\u8db3\u7684\u8fd0\u8f93\u8def\u7ebf\u548c\u5b89\u88c5\u7a7a\u95f4<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u9664\u4e86\u9009\u62e9\u7535\u6c14\u89c4\u683c\u5916\uff0c\u8fd8\u9700\u8981\u5bf9\u8fd0\u8f93\u8def\u7ebf\u8fdb\u884c\u5f7b\u5e95\u8c03\u67e5\uff0c\u5e76\u5236\u5b9a\u4e13\u95e8\u7684\u8fd0\u8f93\u8ba1\u5212\u3002.<\/p>\n<p>\u6839\u636e\u53d8\u538b\u5668\u7684\u5c3a\u5bf8\uff0c\u9700\u8981\u5408\u7406\u89c4\u5212\u5b89\u88c5\u7a7a\u95f4\u3002\u6309\u7167IEC\u6216ISO\u6807\u51c6\uff0c\u9884\u7559\u8db3\u591f\u7684\u7a7a\u95f4\u7528\u4e8e\u7ef4\u62a4\u901a\u9053\u3001\u901a\u98ce\u8ddd\u79bb\u548c\u7535\u6c14\u5b89\u5168\u8ddd\u79bb\u3002.<\/p>\n<p>\u786e\u4fdd\u5efa\u7b51\u7269\u7ed3\u6784\u80fd\u591f\u627f\u53d7\u53d8\u538b\u5668\u7684\u91cd\u91cf\u3002\u8fd8\u9700\u8981\u786e\u5b9a\u7535\u7f06\u7684\u8fdb\u51fa\u65b9\u5f0f\u5e76\u9884\u7559\u76f8\u5e94\u7684\u7a7a\u95f4\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Comprehensive_Evaluation_and_Analysis\"><\/span>\u7efc\u5408\u8bc4\u4f30\u4e0e\u5206\u6790<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u6700\u540e\uff0c\u60a8\u9700\u8981\u6839\u636e\u81ea\u8eab\u60c5\u51b5\u8fdb\u884c\u603b\u4f53\u62e5\u6709\u6210\u672c\u5206\u6790\uff0c\u5305\u62ec\u521d\u59cb\u6210\u672c\u3001\u8fd0\u884c\u6210\u672c\u3001\u7ef4\u62a4\u6210\u672c\u7b49\u3002\u6b64\u5916\uff0c\u60a8\u8fd8\u9700\u8981\u5bf9\u5236\u9020\u5546\u7684\u8d44\u8d28\u548c\u53d8\u538b\u5668\u94c1\u82af\u90e8\u4ef6\u7684\u8d28\u91cf\u8fdb\u884c\u53ef\u9760\u6027\u8bc4\u4f30\u3002.<\/p>\n<p>\u5982\u679c\u60a8\u6240\u5728\u5730\u533a\u6709\u4e25\u683c\u7684\u73af\u5883\u6cd5\u89c4\uff0c\u60a8\u8fd8\u9700\u8981\u786e\u8ba4\u8be5\u4ea7\u54c1\u662f\u5426\u7b26\u5408\u5f53\u5730\u5f3a\u5236\u6027\u80fd\u6548\u6807\u51c6\u548c\u73af\u5883\u8981\u6c42\u3002.<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-47583\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Dry-Type-Transformers-2.jpg\" alt=\"\u5e72\u5f0f\u53d8\u538b\u5668\uff082\uff09\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Dry-Type-Transformers-2.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Dry-Type-Transformers-2-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Dry-Type-Transformers-2-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Dry-Type-Transformers-2-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>\u5e38\u95ee\u95ee\u9898<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Why_Is_the_Size_of_a_Three_Phase_Transformer_So_Important\"><\/span>\u4e3a\u4ec0\u4e48\u4e09\u76f8\u53d8\u538b\u5668\u7684\u5c3a\u5bf8\u5982\u6b64\u91cd\u8981\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u53d8\u538b\u5668\u7684\u7269\u7406\u5c3a\u5bf8\u51b3\u5b9a\u4e86\u5176\u5b89\u88c5\u7684\u987a\u5229\u8fdb\u884c\u3002\u53d8\u538b\u5668\u5bb9\u91cf\uff08kVA\uff09\u4e0e\u91c7\u8d2d\u6210\u672c\u548c\u8fd0\u884c\u5b89\u5168\u5bc6\u5207\u76f8\u5173\u3002\u5408\u9002\u7684\u5bb9\u91cf\u80fd\u591f\u786e\u4fdd\u53d8\u538b\u5668\u5728\u6700\u4f73\u8d1f\u8f7d\u4e0b\u9ad8\u6548\u53ef\u9760\u5730\u8fd0\u884c\u3002\u5b83\u51b3\u5b9a\u4e86\u4e0a\u4e0b\u6e38\u7535\u7f06\u3001\u5f00\u5173\u548c\u4fdd\u62a4\u8bbe\u5907\u7684\u9009\u578b\uff0c\u4e5f\u662f\u6574\u4e2a\u4f9b\u7535\u7cfb\u7edf\u7a33\u5b9a\u8fd0\u884c\u7684\u57fa\u7840\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Is_A_Larger_Transformer_Size_Necessarily_Safer\"><\/span>\u66f4\u5927\u7684\u53d8\u538b\u5668\u5c3a\u5bf8\u5c31\u4e00\u5b9a\u66f4\u5b89\u5168\u5417\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u4e0d\u4e00\u5b9a\u3002\u5c3a\u5bf8\u8fc7\u5927\u4f1a\u589e\u52a0\u77ed\u8def\u7535\u6d41\uff0c\u4ece\u800c\u63d0\u9ad8\u5bf9\u5143\u4ef6\u7684\u8981\u6c42\u3002 <a href=\"https:\/\/www.kdmsteel.com\/zh\/\u65ad\u8def\u5668\u5916\u58f3\/\">\u65ad\u8def\u5668<\/a>\u00a0\u4ee5\u53ca\u4fdd\u62a4\u88c5\u7f6e\u3002\u5982\u679c\u88c5\u7f6e\u4e0d\u5339\u914d\uff0c\u53ef\u80fd\u65e0\u6cd5\u5728\u6545\u969c\u53d1\u751f\u65f6\u53ca\u65f6\u5207\u65ad\u7535\u6d41\uff0c\u4ece\u800c\u5bfc\u81f4\u66f4\u4e25\u91cd\u7684\u4e8b\u6545\u3002\u5b89\u5168\u4e0d\u5728\u4e8e\u7269\u7406\u5c3a\u5bf8\uff0c\u800c\u5728\u4e8e\u5bb9\u91cf\u5339\u914d\u548c\u4fdd\u62a4\u63aa\u65bd\u7684\u5b8c\u6574\u6027\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Why_Are_Amorphous_Alloy_Transformers_Large_and_Expensive\"><\/span>\u4e3a\u4ec0\u4e48\u975e\u6676\u5408\u91d1\u53d8\u538b\u5668\u4f53\u79ef\u5927\u3001\u4ef7\u683c\u6602\u8d35\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5176\u4f53\u79ef\u8f83\u5927\u662f\u7531\u4e8e\u5176\u78c1\u9971\u548c\u5bc6\u5ea6\u76f8\u5bf9\u8f83\u4f4e\u3002\u56e0\u6b64\uff0c\u4e3a\u4e86\u8fbe\u5230\u76f8\u540c\u7684\u78c1\u901a\u91cf\uff0c\u9700\u8981\u589e\u5927\u94c1\u82af\u7684\u6a2a\u622a\u9762\u79ef\uff0c\u4ece\u800c\u5bfc\u81f4\u5176\u4f53\u79ef\u548c\u91cd\u91cf\u589e\u52a0\u3002\u5176\u9ad8\u6602\u7684\u4ef7\u683c\u6e90\u4e8e\u5176\u9ad8\u6602\u7684\u6750\u6599\u6210\u672c\u3001\u590d\u6742\u7684\u52a0\u5de5\u5de5\u827a\u4ee5\u53ca\u8282\u80fd\u6ea2\u4ef7\u3002\u5b83\u66f4\u9002\u7528\u4e8e\u5168\u5e74\u4e0d\u95f4\u65ad\u8fd0\u884c\u4e14\u6ce8\u91cd\u957f\u671f\u8282\u80fd\u7684\u573a\u666f\u3002.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Final_Thought\"><\/span>\u6700\u540e\u60f3\u8bf4<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>KDM\u662f\u4e00\u5bb6\u5b9a\u5236\u5236\u9020\u5546\uff0c\u81f4\u529b\u4e8e\u4e3a\u60a8\u63d0\u4f9b\u9ad8\u54c1\u8d28\u7684\u7535\u6c14\u5916\u58f3\u3002\u6211\u4eec\u6240\u6709\u7684\u4ea7\u54c1\u5747\u91c7\u7528\u4f18\u8d28\u6750\u6599\u548c\u5148\u8fdb\u7684\u52a0\u5de5\u5de5\u827a\u5236\u9020\u3002\u6211\u4eec\u8fd8\u62e5\u6709\u591a\u9879\u8ba4\u8bc1\uff0c\u4ee5\u786e\u4fdd\u60a8\u5916\u58f3\u7684\u5b89\u5168\u6027\u548c\u53ef\u9760\u6027\u3002\u5982\u679c\u60a8\u6709\u4efb\u4f55\u5b9a\u5236\u9700\u6c42\uff0c\u8bf7\u968f\u65f6\u8054\u7cfb\u6211\u4eec\u3002 <a href=\"https:\/\/www.kdmsteel.com\/zh\/\u63a5\u89e6\/\">\u8054\u7cfb\u6211\u4eec<\/a>. \u6211\u4eec\u5c06\u53ca\u65f6\u56de\u590d\uff0c\u5e76\u4e3a\u60a8\u63d0\u4f9b\u6ee1\u610f\u7684\u5b9a\u5236\u5316\u89e3\u51b3\u65b9\u6848\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>As the cornerstone of the power network, the three-phase transformer has various uses such as boost transmission, buck distribution, and electrical isolation. The size of a three-phase transformer is crucial for both initial investment and operational performance. How to choose the transformer size that matches your voltage requirements?This article discusses the importance and influence factors [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":47595,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-47590","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Three Phase Transformer Sizes - KDM Steel<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u4e09\u79cd\u76f8\u53d8\u538b\u5668\u5c3a\u5bf8\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Three Phase Transformer Sizes - KDM Steel\" \/>\n<meta property=\"og:description\" content=\"As the cornerstone of the power network, the three-phase transformer has various uses such as boost transmission, buck distribution, and electrical isolation. 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