{"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\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/","title":{"rendered":"3\uc0c1 \ubcc0\uc555\uae30 \ud06c\uae30"},"content":{"rendered":"<p>\uc804\ub825\ub9dd\uc758 \ud575\uc2ec \uad6c\uc131 \uc694\uc18c\uc778 3\uc0c1 \ubcc0\uc555\uae30\ub294 \uc2b9\uc555 \uc1a1\uc804, \uac15\uc555 \ubc30\uc804, \uc804\uae30\uc801 \uc808\uc5f0 \ub4f1 \ub2e4\uc591\ud55c \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. 3\uc0c1 \ubcc0\uc555\uae30\uc758 \ud06c\uae30\ub294 \ucd08\uae30 \ud22c\uc790 \ube44\uc6a9\uacfc \uc6b4\uc601 \uc131\ub2a5 \ubaa8\ub450\uc5d0 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \uc694\uad6c \uc804\uc555\uc5d0 \ub9de\ub294 \ubcc0\uc555\uae30 \ud06c\uae30\ub97c \uc5b4\ub5bb\uac8c \uc120\ud0dd\ud574\uc57c \ud560\uae4c\uc694? \uc774 \uae00\uc5d0\uc11c\ub294 \ubcc0\uc555\uae30 \ud06c\uae30\uc758 \uc911\uc694\uc131\uacfc \uc601\ud5a5 \uc694\uc778\uc744 \uc0b4\ud3b4\ubcf4\uace0 \uc548\uc804, \ud6a8\uc728\uc131, \ube44\uc6a9\uc758 \uade0\ud615\uc744 \uace0\ub824\ud558\uc5ec \uc801\uc808\ud55c \ubcc0\uc555\uae30 \ud06c\uae30\ub97c \uc120\ud0dd\ud558\ub294 \ub370 \ub3c4\uc6c0\uc744 \ub4dc\ub9bd\ub2c8\ub2e4.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\ubaa9\ucc28<\/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=\"\ubaa9\ucc28 \ud1a0\uae00\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\ube44\ub140\uc7a5<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.kdmsteel.com\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#What_are_Three_Phase_Transformers\" >3\uc0c1 \ubcc0\uc555\uae30\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.kdmsteel.com\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#Three_Phase_Transformer_Sizes\" >3\uc0c1 \ubcc0\uc555\uae30 \ud06c\uae30<\/a><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:\/\/www.kdmsteel.com\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#Small_Three_Phase_Transformers\" >\uc18c\ud615 3\uc0c1 \ubcc0\uc555\uae30<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.kdmsteel.com\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#Medium_Three_Phase_Transformers\" >\uc911\ud615 3\uc0c1 \ubcc0\uc555\uae30<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.kdmsteel.com\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#Large_Three_Phase_Transformers\" >\ub300\ud615 3\uc0c1 \ubcc0\uc555\uae30<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.kdmsteel.com\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#How_to_Size_a_Three_Phase_Transformer\" >3\uc0c1 \ubcc0\uc555\uae30\uc758 \ud06c\uae30\ub97c \uc5b4\ub5bb\uac8c \uc815\ud574\uc57c \ud560\uae4c\uc694?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.kdmsteel.com\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#Determine_the_Load_Power\" >\ubd80\ud558 \uc804\ub825\uc744 \uacb0\uc815\ud558\uc2ed\uc2dc\uc624.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.kdmsteel.com\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#Add_Future_Growth_and_Margin\" >\ubbf8\ub798 \uc131\uc7a5 \ubc0f \ub9c8\uc9c4 \ucd94\uac00<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.kdmsteel.com\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#Select_Primary_and_Secondary_Voltages\" >1\ucc28 \ubc0f 2\ucc28 \uc804\uc555\uc744 \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.kdmsteel.com\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#Calculate_Full_Load_Current\" >\ucd5c\ub300 \ubd80\ud558 \uc804\ub958\ub97c \uacc4\uc0b0\ud558\uc138\uc694<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.kdmsteel.com\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#Choose_Transformer_Connection\" >\ubcc0\uc555\uae30 \uc5f0\uacb0 \ubc29\uc2dd\uc744 \uc120\ud0dd\ud558\uc138\uc694<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.kdmsteel.com\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#Select_Standard_Transformer_Rating\" >\ud45c\uc900 \ubcc0\uc555\uae30 \uc815\uaca9\uc744 \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624.<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.kdmsteel.com\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#What_Factors_Affect_the_Size_of_a_Three-phase_Transformer\" >\uc0bc\uc0c1 \ubcc0\uc555\uae30\uc758 \ud06c\uae30\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294 \uc694\uc778\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/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\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#Total_Load\" >\ucd1d \ubd80\ud558<\/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\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#Power_Factor\" >\uc5ed\ub960<\/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\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#Load_Type\" >\uc801\uc7ac \uc720\ud615<\/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\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#Voltage_and_Current_Level\" >\uc804\uc555 \ubc0f \uc804\ub958 \ub808\ubca8<\/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\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#Future_Expansion\" >\ud5a5\ud6c4 \ud655\uc7a5<\/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\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#Design_and_Material\" >\ub514\uc790\uc778 \ubc0f \uc18c\uc7ac<\/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\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#How_to_Choose_an_Appropriated_Three_Phase_Transformer_Sizes%EF%BC%9F\" >\uc801\uc808\ud55c 3\uc0c1 \ubcc0\uc555\uae30 \ud06c\uae30\ub97c \uc120\ud0dd\ud558\ub294 \ubc29\ubc95\uc740 \ubb34\uc5c7\uc77c\uae4c\uc694?<\/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\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#Accurate_Calculation_of_Electrical_Capacity\" >\uc804\uae30 \uc6a9\ub7c9\uc758 \uc815\ud655\ud55c \uacc4\uc0b0<\/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\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#Selection_of_Appropriate_Technical_Type_of_Three-phase_Transformer\" >\uc801\uc808\ud55c \uc0bc\uc0c1 \ubcc0\uc555\uae30 \uae30\uc220 \uc720\ud615 \uc120\uc815<\/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\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#Selection_of_Suitable_Cooling_Method\" >\uc801\ud569\ud55c \ub0c9\uac01 \ubc29\ubc95 \uc120\ud0dd<\/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\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#Ensuring_Adequate_Transportation_Routes_and_Installation_Space\" >\uc801\uc808\ud55c \uc6b4\uc1a1 \uacbd\ub85c \ubc0f \uc124\uce58 \uacf5\uac04 \ud655\ubcf4<\/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\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#Comprehensive_Evaluation_and_Analysis\" >\uc885\ud569\uc801\uc778 \ud3c9\uac00 \ubc0f \ubd84\uc11d<\/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\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#FAQ\" >\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/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\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#Why_Is_the_Size_of_a_Three_Phase_Transformer_So_Important\" >\uc0bc\uc0c1 \ubcc0\uc555\uae30\uc758 \ud06c\uae30\uac00 \uc65c \uadf8\ub807\uac8c \uc911\uc694\ud560\uae4c\uc694?<\/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\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#Is_A_Larger_Transformer_Size_Necessarily_Safer\" >\ubcc0\uc555\uae30 \ud06c\uae30\uac00 \ud074\uc218\ub85d \ubc18\ub4dc\uc2dc \ub354 \uc548\uc804\ud55c\uac00\uc694?<\/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\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#Why_Are_Amorphous_Alloy_Transformers_Large_and_Expensive\" >\ube44\uc815\uc9c8 \ud569\uae08 \ubcc0\uc555\uae30\uac00 \ud06c\uace0 \ube44\uc2fc \uc774\uc720\ub294 \ubb34\uc5c7\uc77c\uae4c\uc694?<\/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\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/#Final_Thought\" >\ub9c8\uc9c0\ub9c9\uc73c\ub85c<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_are_Three_Phase_Transformers\"><\/span>3\uc0c1 \ubcc0\uc555\uae30\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<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=\"3\uc0c1 \ubcc0\uc555\uae30\" 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>\uc0bc\uc0c1 \ubcc0\uc555\uae30\ub294 \uc804\uc790\uae30 \uc720\ub3c4 \uc6d0\ub9ac\ub97c \uc774\uc6a9\ud558\uc5ec \ub3d9\uc77c\ud55c \uc8fc\ud30c\uc218\uc774\uc9c0\ub9cc \uc77c\ubc18\uc801\uc73c\ub85c \uc804\uc555 \ub808\ubca8\uc774 \ub2e4\ub978 \uc0bc\uc0c1 \uad50\ub958 \uc804\ub825\uc744 \uc1a1\uc218\uc2e0\ud558\ub294 \uc815\uc801 \uc804\uae30 \uc7a5\uce58\uc785\ub2c8\ub2e4.<\/p>\n<p>\uc0bc\uc0c1 \ubcc0\uc555\uae30\ub294 \uc8fc\ub85c \uc790\uae30 \ud68c\ub85c \uc2dc\uc2a4\ud15c, \uc804\uae30 \ud68c\ub85c \uc2dc\uc2a4\ud15c, \uc808\uc5f0 \ubc0f \ub0c9\uac01 \uc2dc\uc2a4\ud15c, \ubcf4\ud638 \ubc0f \uac10\uc2dc \uc2dc\uc2a4\ud15c, \uad6c\uc870 \ubd80\ud488 \ubc0f \ucf00\uc774\uc2a4 \ub4f1 \uc5ec\ub7ec \uc8fc\uc694 \uc2dc\uc2a4\ud15c\uc73c\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4. \uc774 \uc2dc\uc2a4\ud15c\ub4e4\uc740 \uac01\uac01 \ud6a8\uc728\uc801\uc778 \uc790\uae30 \uacbd\ub85c\ub97c \uc81c\uacf5\ud558\uace0, \uc804\uae30 \uc5d0\ub108\uc9c0\uc758 \uc785\ub825, \ucd9c\ub825 \ubc0f \uc804\uc555 \ubcc0\ud658\uc744 \uc2e4\ud604\ud558\uba70, \uc804\uae30 \uc808\uc5f0 \ubc0f \ubc29\uc5f4\uc744 \ubcf4\uc7a5\ud558\uace0, \uc548\uc804\ud55c \uc791\ub3d9\uacfc \uc0c1\ud0dc \uc81c\uc5b4\ub97c \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4. <a href=\"https:\/\/www.kdmsteel.com\/ko\/\ubcc0\uc555\uae30-\uc778\ud074\ub85c\uc800\/\">\ubcc0\uc555\uae30<\/a>, \uae30\uacc4\uc801 \uc9c0\uc9c0, \ubcf4\ud638 \ubc0f \uc804\uae30\uc801 \uc5f0\uacb0\uc744 \uad6c\ud604\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc2dc\uc2a4\ud15c \uac04\uc758 \uc815\ubc00\ud55c \uc870\uc815\uc744 \ud1b5\ud574 \uc0bc\uc0c1 \ubcc0\uc555\uae30\ub294 \ud6a8\uc728\uc801\uc774\uace0 \uc2e0\ub8b0\ud560 \uc218 \uc788\uc73c\uba70 \uc720\uc5f0\ud55c \uc804\ub825 \ubcc0\ud658 \ubc0f \uc804\uc1a1\uc744 \uc2e4\ud604\ud558\uc5ec \ud604\ub300 \uc804\ub825\ub9dd\uc758 \ucd08\uc11d\uc744 \uc774\ub8f9\ub2c8\ub2e4. \uc0bc\uc0c1 \ubcc0\uc555\uae30\ub294 \uacf5\ud1b5 \ucf54\uc5b4 \uc790\uae30 \ud68c\ub85c\ub97c \ud1b5\ud574 \uc0bc\uc0c1 \uc804\uc6d0\uc758 \uc138 \uac00\uc9c0 \uc804\uc555\uc744 \ub2e4\ub978 \uc0bc\uc0c1 \uc2dc\uc2a4\ud15c\uc73c\ub85c \ud6a8\uc728\uc801\uc73c\ub85c \ubcc0\ud658\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubc1c\uc804, \uc1a1\uc804, \ubc30\uc804\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \ud604\ub300 \uc804\ub825 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc5c6\uc5b4\uc11c\ub294 \uc548 \ub420 \uc911\uc694\ud55c \uc7a5\ube44\ub85c \uc790\ub9ac \uc7a1\uc558\uc2b5\ub2c8\ub2e4.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Three_Phase_Transformer_Sizes\"><\/span>3\uc0c1 \ubcc0\uc555\uae30 \ud06c\uae30<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\uc77c\ubc18\uc801\uc73c\ub85c \uc18c\ud615 3\uc0c1 \ubcc0\uc555\uae30\ub294 \uc815\uaca9 \uc6a9\ub7c9(KVA)\uc5d0 \ub530\ub77c \ubd84\ub958\ub429\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc774\ub7ec\ud55c \ubd84\ub958\ub294 \uc808\ub300\uc801\uc778 \uac83\uc774 \uc544\ub2c8\uba70, \uc0ac\uc6a9 \uc6a9\ub3c4 \ubc0f \ub0c9\uac01 \ubc29\uc2dd\uc5d0 \ub530\ub77c \ubd84\ub958\uac00 \ub2ec\ub77c\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uc77c\ubc18\uc801\uc778 \uc774\ud574\uc640 \uc804\ud615\uc801\uc778 \uc801\uc6a9 \uc2dc\ub098\ub9ac\uc624\ub97c \ubc14\ud0d5\uc73c\ub85c \ud55c 3\uc0c1 \ubcc0\uc555\uae30\uc758 \uc138 \uac00\uc9c0 \uc720\ud615\uc5d0 \ub300\ud55c \uc124\uba85\uc785\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Small_Three_Phase_Transformers\"><\/span>\uc18c\ud615 3\uc0c1 \ubcc0\uc555\uae30<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong><b>\uc77c\ubc18\uc801\uc778 \ud3c9\uac00<\/b><\/strong>\uc18c\ud615 3\uc0c1 \ubcc0\uc555\uae30\uc758 \uc815\uaca9 \uc6a9\ub7c9\uc740 \uc77c\ubc18\uc801\uc73c\ub85c 10kVA\uc5d0\uc11c 500kVA \uc0ac\uc774\uc785\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \ubcc0\uc555\uae30\uc758 kVA \ud06c\uae30\ub294 15kVA, 30kVA, 50kVA, 100kVA, 250kVA \ubc0f 500kVA\uc785\ub2c8\ub2e4.<\/p>\n<p><strong><b>\ud2b9\uc9d5<\/b><\/strong>\uc18c\ud615 3\uc0c1 \ubcc0\uc555\uae30\ub294 \uc18c\ud615\ud654 \ubc0f \ucef4\ud329\ud2b8\ud55c \uad6c\uc870\ub97c \ucd94\uad6c\ud558\uc5ec \uc124\uacc4\ub418\uc5c8\uc73c\uba70, \ud50c\ub7ab\ud3fc\uc774\ub098 \uc2e4\ub0b4 \ubc30\uc804\uc2e4\uc5d0 \uc124\uce58\ud558\uae30\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. \ud45c\uc900 \ud06c\uae30\uc758 3\uc0c1 \ubcc0\uc555\uae30\ub97c \uc124\uacc4\ud568\uc73c\ub85c\uc368 \uc81c\uc870 \ube44\uc6a9 \ub610\ud55c \uc808\uac10\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub0c9\uac01 \ubc29\uc2dd\uc740 \uc8fc\ub85c ONAN(\uc720\uc785\uc2dd), AN \ub610\ub294 AF(\uac74\uc2dd)\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<p><strong><b>\uc77c\ubc18\uc801\uc778 \uc6a9\ub3c4<\/b><\/strong>\uc774\ub7ec\ud55c \ud06c\uae30\uc758 3\uc0c1 \ubcc0\uc555\uae30\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc18c\uaddc\ubaa8 \uc0b0\uc5c5 \uc124\ube44, \uc0c1\uc5c5 \uc13c\ud130 \ubc0f \uac74\ubb3c\uc758 \ud2b9\uc815 \uad6c\uc5ed\uc5d0 \ub3c5\ub9bd\uc801\uc774\uace0 \uc548\uc804\ud55c \uc804\uc6d0\uc744 \uacf5\uae09\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<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=\"\uc18c\ud615 3\uc0c1 \ubcc0\uc555\uae30\" 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>\uc911\ud615 3\uc0c1 \ubcc0\uc555\uae30<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong><b>\uc77c\ubc18\uc801\uc778 \ud3c9\uac00<\/b><\/strong>\uc911\ud615 3\uc0c1 \ubcc0\uc555\uae30\uc758 \uc815\uaca9 \uc6a9\ub7c9\uc740 \uc77c\ubc18\uc801\uc73c\ub85c 500kVA\uc5d0\uc11c 10MVA(10,000kVA) \ubc94\uc704 \ub0b4\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \ubcc0\uc555\uae30\uc758 kVA \ud06c\uae30\ub294 750kVA, 1MVA, 2.5MVA, 5MVA, 7.5MVA \ubc0f 10MVA\uc5d0 \ubd88\uacfc\ud569\ub2c8\ub2e4.<\/p>\n<p><strong><b>\ud2b9\uc9d5<\/b><\/strong>\uc911\ud615 3\uc0c1 \ubcc0\uc555\uae30\ub294 \ube44\uc6a9, \ud6a8\uc728\uc131 \ubc0f \uc2e0\ub8b0\uc131 \uc0ac\uc774\uc5d0\uc11c \ucd5c\uc0c1\uc758 \uade0\ud615\uc744 \uc81c\uacf5\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c \uae30\uc220\uc801\uc73c\ub85c \uac00\uc7a5 \uc131\uc219\ud558\uace0 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \ubc94\uc8fc\uc785\ub2c8\ub2e4.<\/p>\n<p>\ubd80\ud558\uc728 \ubc0f \ud658\uacbd \uc870\uac74\uc5d0 \ub530\ub77c \uc911\ud615 3\uc0c1 \ubcc0\uc555\uae30\ub294 \uc77c\ubc18\uc801\uc73c\ub85c ONAN(\uc720\ub0c9\uc2dd \uc790\uc5f0\uacf5\uae30\ub0c9\uac01) \ubc0f ONAF(\uc720\ub0c9\uc2dd \uc790\uc5f0\uacf5\uae30\uac15\uc81c\ub0c9\uac01)\uc640 \uac19\uc740 \uc720\uc785\uc2dd \ub0c9\uac01 \ubc29\uc2dd\uc744 \ucc44\ud0dd\ud569\ub2c8\ub2e4. \uac74\uc2dd 3\uc0c1 \ubcc0\uc555\uae30\uc758 \uacbd\uc6b0 AF \ubc29\uc2dd\uc774 \uc8fc\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc720\ud615\uc758 \ubcc0\uc555\uae30\ub294 \ud06c\uae30 \uba74\uc5d0\uc11c\ub3c4 \ub192\uc740 \ub9de\ucda4\ud615 \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong><b>\uc77c\ubc18\uc801\uc778 \uc6a9\ub3c4<\/b><\/strong>: <a href=\"https:\/\/www.kdmsteel.com\/ko\/\uc911\uc804\uc555-\ubcc0\uc555\uae30\/\">\uc911\ud615 \ubcc0\uc555\uae30<\/a>\u00a0\uc9c0\uc5ed \ubc30\uc804 \ubc0f \uc1a1\uc804 \ud5c8\ube0c\uc5d0\uc11c \uc0ac\uc6a9\ud558\uac70\ub098 \ub300\uaddc\ubaa8 \uc0c1\uc5c5 \uc2dc\uc124\uc758 \ubc30\uc804\uc2e4 \ub610\ub294 \uc0b0\uc5c5 \ud50c\ub79c\ud2b8\uc758 \uc8fc\uc694 \ubc30\uc804 \ubcc0\uc804\uc18c\uc5d0 \uc124\uce58\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<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=\"\uc911\ud615 3\uc0c1 \ubcc0\uc555\uae30\" 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>\ub300\ud615 3\uc0c1 \ubcc0\uc555\uae30<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong><b>\uc77c\ubc18\uc801\uc778 \ud3c9\uac00<\/b><\/strong>\ub300\ud615 3\uc0c1 \ubcc0\uc555\uae30\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 10MVA \uc774\uc0c1\uc774\uba70, \ucd5c\ub300 1000MVA\ub97c \ub118\ub294 \uacbd\uc6b0\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \ubcc0\uc555\uae30\uc758 kVA \ud06c\uae30\ub294 20MVA, 50MVA, 100MVA \ubc0f 250MVA\uc785\ub2c8\ub2e4.<\/p>\n<p><strong><b>\ud2b9\uc9d5<\/b><\/strong>\ub300\ud615 3\uc0c1 \ubcc0\uc555\uae30\uc758 \uc0dd\uc0b0 \uae30\uc220\uc740 \ub354\uc6b1 \ubcf5\uc7a1\ud558\uba70, \uac70\uc758 \ubaa8\ub450 \ub9de\ucda4 \uc81c\uc791\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<p>\uadf8\uc911 \uc808\uc5f0 \uc124\uacc4\ub294 \uc0dd\uc0b0\uc0c1\uc758 \uc5b4\ub824\uc6c0 \uc911 \ud558\ub098\uc774\uba70, \ubcc0\uc555\uae30\ub294 \uace0\ucd9c\ub825 \uc804\uc1a1\uc73c\ub85c \ubc1c\uc0dd\ud558\ub294 \uc5f4\uc744 \uc0c1\uc1c4\ud558\uae30 \uc704\ud574 \uac15\uc81c \ub0c9\uac01 \ubc29\uc2dd\uc744 \ucc44\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p>\ucd08\uace0\uc18d \ub3d9\ub825 \uc804\ub2ec\uacfc \uac15\ub825\ud55c \ub0c9\uac01\uc740 \ud544\uc5f0\uc801\uc73c\ub85c \uac70\ub300\ud55c \ud06c\uae30\uc640 \ubb34\uac8c\ub97c \uc218\ubc18\ud558\uba70, \uadf9\ub3c4\ub85c \ub192\uc740 \ud6a8\uc728\uc744 \uc694\uad6c\ud569\ub2c8\ub2e4.<\/p>\n<p><strong><b>\uc77c\ubc18\uc801\uc778 \uc6a9\ub3c4<\/b><\/strong>\ub300\ud615 3\uc0c1 \ubcc0\uc555\uae30\ub294 \ud654\ub825 \ubc1c\uc804\uc18c, \uc218\ub825 \ubc1c\uc804\uc18c, \uc6d0\uc790\ub825 \ubc1c\uc804\uc18c\uc758 \uc8fc \ubcc0\uc555\uae30\ub85c \uc0ac\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \ucd08\uace0\uc555 \ub610\ub294 \uadf9\uace0\uc555 \ubcc0\uc804\uc18c\uc758 \uc8fc \ubcc0\uc555\uae30 \ub610\ub294 \ub300\uaddc\ubaa8 \uc2e0\uc7ac\uc0dd \uc5d0\ub108\uc9c0 \uae30\uc9c0\uc758 \uc9d1\uc804 \ubc0f \uc2b9\uc555 \ubcc0\uc804\uc18c\ub85c\ub3c4 \uc0ac\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<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=\"\ub300\ud615 3\uc0c1 \ubcc0\uc555\uae30\" 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>3\uc0c1 \ubcc0\uc555\uae30\uc758 \ud06c\uae30\ub97c \uc5b4\ub5bb\uac8c \uc815\ud574\uc57c \ud560\uae4c\uc694?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>3\uc0c1 \ubcc0\uc555\uae30\uc758 \ud06c\uae30\ub97c \uc815\ud55c\ub2e4\ub294 \uac83\uc740 \ubd80\ud558\uc5d0 \uc548\uc804\ud558\uac8c \uc804\ub825\uc744 \uacf5\uae09\ud560 \uc218 \uc788\ub294 kVA\/MVA \uc815\uaca9\uacfc \uc804\uc555 \uc815\uaca9\uc744 \uc120\ud0dd\ud558\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Determine_the_Load_Power\"><\/span>\ubd80\ud558 \uc804\ub825\uc744 \uacb0\uc815\ud558\uc2ed\uc2dc\uc624.<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\ubd80\ud558 \uc804\ub825\uc744 \uacb0\uc815\ud558\ub294 \uac83\uc740 \uac00\uc7a5 \uae30\ubcf8\uc801\uc774\uace0 \uc911\uc694\ud55c \ub2e8\uacc4\uc785\ub2c8\ub2e4. \uc774 \ub2e8\uacc4\uc5d0\uc11c\ub294 \uc720\ud6a8 \uc804\ub825(kW)\uc774 \uc544\ub2cc \ubaa8\ub4e0 \ubd80\ud558 \uc7a5\uce58\uc5d0 \ud544\uc694\ud55c \ucd1d \ud53c\uc0c1 \uc804\ub825(kVA)\uc744 \uacc4\uc0b0\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p>\uba3c\uc800 \ubcc0\uc555\uae30\uac00 \uacf5\uae09\ud560 \ubaa8\ub4e0 \ubd80\ud558\ub97c \ub098\uc5f4\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubd80\ud558\uc758 \uc8fc\uc694 \ub9e4\uac1c\ubcc0\uc218\uc5d0\ub294 \uc815\uaca9 \uc804\ub825(kW)\uacfc \uc5ed\ub960(PF)\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \uac01 \ubd80\ud558\uc758 \uc804\ub825\uc744 kVA\ub85c \ubcc0\ud658\ud574\uc57c \ud569\ub2c8\ub2e4. 3\uc0c1 \ubd80\ud558\uc758 \uacbd\uc6b0 \ubd80\ud558(kVA) = \ubd80\ud558\uc758 \uc720\ud6a8 \uc804\ub825(kW)\/\uc5ed\ub960(PF) \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ubaa8\ub4e0 \uc7a5\uce58\uac00 \ub3d9\uc2dc\uc5d0 \ucd5c\ub300 \uc6a9\ub7c9\uc73c\ub85c \uc791\ub3d9\ud558\ub294 \uac83\uc740 \uc544\ub2c8\ub77c\ub294 \uc810\uc5d0 \uc720\uc758\ud574\uc57c \ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc5c5\uacc4 \ud45c\uc900 \ub610\ub294 \uc2e4\uc81c \uc6b4\uc601 \uacbd\ud5d8\uc744 \ubc14\ud0d5\uc73c\ub85c 1\ubcf4\ub2e4 \uc791\uc740 \uc218\uc694 \uacc4\uc218\ub97c \uc120\ud0dd\ud558\uace0 \uc774\ub97c \ucd1d \uc5f0\uacb0 \ubd80\ud558\uc5d0 \uacf1\ud574\uc57c \ud569\ub2c8\ub2e4. \ub9c8\uc9c0\ub9c9\uc73c\ub85c \ubaa8\ub4e0 \ubd80\ud558\uc758 kVA \uac12\uc744 \ud569\uc0b0\ud558\uc5ec \ud604\uc7ac \uc6b4\uc804\uc5d0 \ud544\uc694\ud55c \ucd5c\uc18c kVA\ub97c \uad6c\ud569\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Add_Future_Growth_and_Margin\"><\/span>\ubbf8\ub798 \uc131\uc7a5 \ubc0f \ub9c8\uc9c4 \ucd94\uac00<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\ubcc0\uc555\uae30\ub294 \uc7a5\uae30 \uc790\uc0b0\uc774\ubbc0\ub85c 100%\uc758 \uc815\uaca9 \ubd80\ud558\ub85c \uc7a5\uc2dc\uac04 \uc6b4\uc804\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \uc774\ub294 \uc218\uba85\uc744 \ub2e8\ucd95\uc2dc\ud0a4\uace0 \uc190\uc2e4\uc744 \uc99d\uac00\uc2dc\ud0a4\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc548\uc804\ud55c \uc6b4\uc804\uc744 \uc704\ud574 \uc77c\uc815 \uc218\uc900\uc758 \uc5ec\uc720 \uc6a9\ub7c9\uc744 \ud655\ubcf4\ud574\uc57c \ud558\uba70, \uc77c\ubc18\uc801\uc73c\ub85c 10%\uc5d0\uc11c 15% \uc0ac\uc774\uac00 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc0bc\uc0c1 \ubcc0\uc555\uae30\uc758 \uc7a5\uae30\uc801\uc778 \ubc1c\uc804 \ubc29\ud5a5\ub3c4 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \uae30\uc5c5 \ub610\ub294 \ud504\ub85c\uc81d\ud2b8 \uacc4\ud68d\uc744 \ubc14\ud0d5\uc73c\ub85c \ud5a5\ud6c4 \uba87 \ub144\uac04 \uc608\uc0c1\ub418\ub294 \ubd80\ud558 \uc99d\uac00\ub7c9\uc744 \ucd94\uc815\ud574 \ubcf4\uc2ed\uc2dc\uc624. \uc77c\ubc18\uc801\uc73c\ub85c \ud5a5\ud6c4 \uc5ec\uc720 \uc6a9\ub7c9\uc744 \uace0\ub824\ud558\uba74 \uc57d 20%\uc5d0\uc11c 30% \uc815\ub3c4 \uc99d\uac00\ud560 \uac83\uc73c\ub85c \uc608\uc0c1\ub429\ub2c8\ub2e4.<\/p>\n<p>\ub530\ub77c\uc11c \ucd1d \uc6a9\ub7c9 \uc694\uad6c\ub7c9(kVA)\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. kVA = \ud604\uc7ac \uc6b4\uc601 \uc218\uc694 * (1 + \ud5a5\ud6c4 \uc131\uc7a5\ub960 % + \uc548\uc804 \uc5ec\uc720 %)<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Select_Primary_and_Secondary_Voltages\"><\/span>1\ucc28 \ubc0f 2\ucc28 \uc804\uc555\uc744 \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624.<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\uc774 \ub2e8\uacc4\uc5d0\uc11c\ub294 \uc804\uc6d0\uacfc \ubd80\ud558\uc5d0 \ub530\ub77c \uc804\uc555\uc744 \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4. 1\ucc28\uce21 \uc785\ub825 \uace0\uc804\uc555\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc804\ub825\ub9dd\uc5d0 \uc758\ud574 \uacb0\uc815\ub429\ub2c8\ub2e4. \ubd81\ubbf8\uc5d0\uc11c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 12.47kV, 4.16kV \ub4f1\uc744 \uc0ac\uc6a9\ud558\uace0, \uc911\uad6d\uc5d0\uc11c\ub294 10kV, 35kV, 110kV \ub4f1\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<p>2\ucc28 \uc804\uc555, \uc989 \uc800\uc804\uc555 \ucd9c\ub825\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uacf5\uc7a5\uc774\ub098 \uac74\ubb3c \ub0b4 \uc804\uae30 \uc124\ube44\uc5d0 \ub530\ub77c \uacb0\uc815\ub429\ub2c8\ub2e4. \uc720\ub7fd\uacfc \uc911\uad6d\uc758 \uc77c\ubc18\uc801\uc778 \ud45c\uc900\uc740 400V\/230V\uc774\uba70, \ubd81\ubbf8\uc5d0\uc11c\ub294 480V\/277V \ubc0f 208V\/120V\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ub610\ud55c \ubcc0\uc555\uae30\uc5d0 \ud0ed \uccb4\uc778\uc800\uac00 \uc7a5\ucc29\ub418\uc5b4 \uc788\ub294\uc9c0 \ud655\uc778\ud574\uc57c \ud558\ub294\ub370, \ud0ed \uccb4\uc778\uc800\ub294 \uacc4\ud1b5 \uc804\uc555 \ubcc0\ub3d9\uc5d0 \ub354\uc6b1 \ud6a8\uacfc\uc801\uc73c\ub85c \ub300\uc751\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Calculate_Full_Load_Current\"><\/span>\ucd5c\ub300 \ubd80\ud558 \uc804\ub958\ub97c \uacc4\uc0b0\ud558\uc138\uc694<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\uc815\uaca9 \ubd80\ud558 \uc804\ub958\ub97c \uacc4\uc0b0\ud558\uba74 \uc2a4\uc704\uce58, \ucf00\uc774\ube14 \ubc0f \uad50\uc815 \uc7a5\ube44\ub97c \ub354 \uc798 \ubcf4\ud638\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \uacf5\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. \uc815\uaca9 \ubd80\ud558 \uc804\ub958(\uc554\ud398\uc5b4) = kVA * 1000 \/ (\uc804\uc555(\ubcfc\ud2b8) * \u221a3).<\/p>\n<p>\ucc38\uace0\ub85c \u221a3\uc740 \uc77c\ubc18\uc801\uc73c\ub85c 1.732\uc758 \uac12\uc744 \uac16\uc2b5\ub2c8\ub2e4. \ub610\ud55c 1\ucc28\uce21\uacfc 2\ucc28\uce21\uc758 \uc804\ub958\ub97c \uac01\uac01 \uacc4\uc0b0\ud558\uace0, \uacc4\uc0b0 \uacb0\uacfc\ub97c \uc774\uc6a9\ud558\uc5ec \uac01 \uce21\uc5d0 \uc801\ud569\ud55c \uc18c\uc790\ub97c \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Choose_Transformer_Connection\"><\/span>\ubcc0\uc555\uae30 \uc5f0\uacb0 \ubc29\uc2dd\uc744 \uc120\ud0dd\ud558\uc138\uc694<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=\"3\uc0c1 \ubcc0\uc555\uae30(3)\" 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>\uad8c\uc120 \uad6c\uc131\uc740 \uc804\uc555 \uac00\uc6a9\uc131\uacfc \uace0\uc870\ud30c \uc800\uac10\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ubbc0\ub85c \uc801\uc808\ud55c \uad6c\uc131\uc744 \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uc77c\ubc18\uc801\uc778 \uad8c\uc120 \uad6c\uc131\uc785\ub2c8\ub2e4.<\/p>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"248\">\uc5f0\uacb0<\/td>\n<td width=\"266\">\uae30\ubcf8\/\uace0\uc555 \uce21<\/td>\n<td width=\"296\">\ubcf4\uc870\/\uc800\uce21<\/td>\n<td width=\"406\">\uc8fc\uc694 \ud2b9\uc9d5 \ubc0f \uc801\uc6a9 \ubd84\uc57c<\/td>\n<\/tr>\n<tr>\n<td width=\"248\">\ub378\ud0c0-\uc640\uc774(\u0394-Y)<\/td>\n<td width=\"266\">\ub378\ud0c0<\/td>\n<td width=\"296\">\uc6b0\uc544\uc774 \uc790<\/td>\n<td width=\"406\">\uac00\uc7a5 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4. 2\ucc28\uce21\uc740 \ub2e8\uc0c1 \ubd80\ud558 \ubc0f 3\uc0c1 \ubaa8\ud130\uc5d0 \uc548\uc815\uc801\uc778 \uc911\uc131\uc810\uc744 \uc81c\uacf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc5f0\uacb0 \ubc29\uc2dd\uc740 3\ucc28 \uace0\uc870\ud30c\ub97c \uc5b5\uc81c\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub418\uba70 \ucd5c\uc2e0 \ubc30\uc804 \uc2dc\uc2a4\ud15c\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td width=\"248\">\ub378\ud0c0-\ub378\ud0c0(\u0394-\u0394)<\/td>\n<td width=\"266\">\ub378\ud0c0<\/td>\n<td width=\"296\">\ub378\ud0c0<\/td>\n<td width=\"406\">\uc774 \ud68c\ub85c\ub294 \ub300\ud615 \ubaa8\ud130 \ubc0f \uc815\ub958\uae30 \uc7a5\ube44\uc640 \uac19\uc740 \uc21c\uc218 3\uc0c1 \uc0b0\uc5c5 \ubd80\ud558\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. 3\ucc28 \uace0\uc870\ud30c \uc21c\ud658 \uc804\ub958 \ubb38\uc81c\ub294 \uc5c6\uc9c0\ub9cc \uc911\uc131\uc810\uc774 \uc5c6\uc2b5\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td width=\"248\">\uc640\uc774-\uc640\uc774(YY)<\/td>\n<td width=\"266\">\uc6b0\uc544\uc774 \uc790<\/td>\n<td width=\"296\">\uc6b0\uc544\uc774 \uc790<\/td>\n<td width=\"406\">\uc8fc\ub85c \uc624\ub798\ub41c \uc0b0\uc5c5 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc0bc\uc0c1 \ubd88\uade0\ud615 \ubd80\ud558 \ubc0f \uc911\uc131\uc810 \ubcc0\ud654\uc5d0 \ubbfc\uac10\ud569\ub2c8\ub2e4. \uc0bc\uc0c1 \uc804\ub825 \ubd80\ud558\uac00 \uc8fc\ub97c \uc774\ub8e8\uace0 \ub2e8\uc0c1 \ubd80\ud558\uac00 \uc791\uace0 \uade0\ud615 \uc7a1\ud78c \uacbd\uc6b0\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td width=\"248\">Y-\u0394(Y-\u0394)<\/td>\n<td width=\"266\">\uc6b0\uc544\uc774 \uc790<\/td>\n<td width=\"296\">\ub378\ud0c0<\/td>\n<td width=\"406\">\ubcc0\uc804\uc18c\uc5d0\uc11c \ud754\ud788 \uc0ac\uc6a9\ub418\ub294 \uac15\uc555 \ubcc0\uc555\uae30\ub294 \uace0\uc804\uc555\uc744 \uc911\uc804\uc555\uc73c\ub85c \ub0ae\ucda5\ub2c8\ub2e4. 2\ucc28\uce21\uc5d0\ub294 \uc911\uc131\uc810\uc774 \uc5c6\uc2b5\ub2c8\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><strong><b>\uba54\ubaa8<\/b><\/strong>\ub300\ubd80\ubd84\uc758 \uc0b0\uc5c5 \ubc0f \uc0c1\uc5c5\uc6a9 \uac74\ubb3c\uc758 \uc804\ub825 \ubd84\ubc30\uc5d0\ub294 \ub378\ud0c0-\uc640\uc774(\u0394-Y) \uc5f0\uacb0 \ubc29\uc2dd\uc774 \uc120\ud638\ub418\ub294 \uad6c\uc131\uc785\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Select_Standard_Transformer_Rating\"><\/span>\ud45c\uc900 \ubcc0\uc555\uae30 \uc815\uaca9\uc744 \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624.<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\ubcc0\uc555\uae30\ub294 \ud45c\uc900 \uc6a9\ub7c9 \uc2dc\ub9ac\uc988\uc5d0 \ub530\ub77c \uc0dd\uc0b0\ud574\uc57c \ud558\uba70, \uc6a9\ub7c9\uc744 \uc784\uc758\ub85c \ub9de\ucda4 \uc81c\uc791\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \ud544\uc694\ud55c \uc6a9\ub7c9\uc5d0 \uac00\uc7a5 \uac00\uae4c\uc6b4 \ud45c\uc900 3\uc0c1 \ubcc0\uc555\uae30 \ud06c\uae30\ub97c \ucc3e\uc544\ubcf4\uc2dc\uba74 \ub429\ub2c8\ub2e4.<\/p>\n<p>IEC \ud45c\uc900 \uc2dc\ub9ac\uc988(kVA)\uc5d0 \ub530\ub974\uba74 75kVA, 100kVA, 125kVA, 160kVA, 200kVA, 250kVA, 315kVA, 400kVA, 500kVA, 630kVA, 800kVA, 1000kVA \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ud544\uc694\ud55c \uc6a9\ub7c9\uc774 145.6kVA\ub77c\uba74, \ub354 \ud06c\uace0 \ud45c\uc900 \uaddc\uaca9\uc5d0 \uac00\uae4c\uc6b4 \ubcc0\uc555\uae30\ub97c \ucc3e\uc544\uc57c \ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \ucd5c\uc885\uc801\uc73c\ub85c\ub294 IEC \ud45c\uc900\uc744 \uc900\uc218\ud558\ub294 160kVA \ubcc0\uc555\uae30\ub97c \uc120\ud0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ub9c8\uc9c0\ub9c9\uc73c\ub85c, \uc804\uae30 \uae30\uae30\ub97c \ubcf4\ud638\ud558\uae30 \uc704\ud574 \ucd5c\uc885\uc801\uc73c\ub85c \uc120\ud0dd\ud55c \uc815\uaca9 \uc6a9\ub7c9\uc744 \uae30\uc900\uc73c\ub85c \ubcc0\uc555\uae30\uc758 \uc815\uaca9 \ubd80\ud558 \uc804\ub958\ub97c \ub2e4\uc2dc \uacc4\uc0b0\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p>\uc774 \ubc29\ubc95\uc744 \ud1b5\ud574 \uae30\uc220\uc801\uc73c\ub85c \ud569\ub9ac\uc801\uc774\uace0 \uacbd\uc81c\uc801\uc73c\ub85c \ucd5c\uc801\uc758 3\uc0c1 \ubcc0\uc555\uae30 \ud06c\uae30\ub97c \ub3c4\ucd9c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c, \uad6d\uac00 \ubc0f \uc9c0\uc5ed\uc758 \uc804\uae30 \uc124\uacc4 \uae30\uc900\uc744 \uc900\uc218\ud574\uc57c \ud569\ub2c8\ub2e4. \ucd5c\uc885 \uac80\ud1a0 \ubc0f \ud655\uc778\uc740 \uc804\ubb38 \uc804\uae30 \uae30\uc220\uc790\uc640 \ud568\uaed8 \uc9c4\ud589\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Factors_Affect_the_Size_of_a_Three-phase_Transformer\"><\/span>\uc0bc\uc0c1 \ubcc0\uc555\uae30\uc758 \ud06c\uae30\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294 \uc694\uc778\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<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=\"3\uc0c1 \ubcc0\uc555\uae30\" 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>\ucd1d \ubd80\ud558<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\ubcc0\uc555\uae30 \ud06c\uae30\ub97c \uacb0\uc815\ud558\ub294 \uac00\uc7a5 \uc9c1\uc811\uc801\uc778 \uc694\uc778\uc740 \ubd80\ud558\uc785\ub2c8\ub2e4. \ubd80\ud558\uac00 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c \ucf54\uc5b4\uc640 \uad8c\uc120\uc758 \ub2e8\uba74\uc801\uc774 \uc99d\uac00\ud569\ub2c8\ub2e4. \uc6a9\ub7c9(kVA)\uc774 \uac70\uc758 \ub450 \ubc30\ub85c \uc99d\uac00\ud560 \ub54c\ub9c8\ub2e4 \ubcc0\uc555\uae30\uc758 \ud06c\uae30\uc640 \ubb34\uac8c\ub294 \uc6d0\ub798 \ud06c\uae30\uc758 \uc57d \ub450 \ubc30\ub85c \ub298\uc5b4\ub0a9\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Power_Factor\"><\/span>\uc5ed\ub960<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\uc5ed\ub960\uc774 \ub0ae\ub2e4\ub294 \uac83\uc740 \ub3d9\uc77c\ud55c \uc720\ud6a8 \uc804\ub825(kW)\uc744 \uc5bb\uae30 \uc704\ud574 \uc2dc\uc2a4\ud15c\uc774 \ub354 \ub9ce\uc740 \uc804\ub958(kVA)\ub97c \uc804\uc1a1\ud574\uc57c \ud55c\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \ub0ae\uc740 \uc5ed\ub960\uc5d0\ub294 \ub354 \ud070 \uc6a9\ub7c9\uc758 \ubcc0\uc555\uae30\uc640 \ub354 \ub113\uc740 \uad8c\uc120 \ub2e8\uba74\uc801\uc774 \ud544\uc694\ud558\uba70, \uc774\ub294 \ubcc0\uc555\uae30\uc758 \ud06c\uae30\uc5d0\ub3c4 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Load_Type\"><\/span>\uc801\uc7ac \uc720\ud615<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\ubcc0\uc555\uae30\uc758 \uc815\uaca9 \uc6a9\ub7c9\uc740 \uc120\ud615 \ubd80\ud558\uc758 kVA \uc694\uad6c\ub7c9\uc744 \uae30\uc900\uc73c\ub85c \uc9c1\uc811 \uacb0\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ube44\uc120\ud615 \ubd80\ud558\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uace0\uc870\ud30c \uc804\ub958\uc758 \uacbd\uc6b0, \ubcc0\uc555\uae30\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ud2b9\ubcc4\ud55c \uc124\uacc4\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc608\ub97c \ub4e4\uc5b4, \uc6a9\ub7c9\uc744 \uc904\uc774\uba74 \ud06c\uae30\uac00 \ucee4\uc9c0\uace0, \uc190\uc2e4 \uac10\uc18c \uad8c\uc120 \uad6c\uc870 \ub610\ub294 \uc804\uc6a9 \uace0\uc870\ud30c \ucc28\ud3d0 \uadf8\ub8f9\uc744 \uc0ac\uc6a9\ud558\uba74 \ubb3c\ub9ac\uc801 \ud06c\uae30\uc640 \uc81c\uc870 \ube44\uc6a9\uc774 \uc99d\uac00\ud569\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Voltage_and_Current_Level\"><\/span>\uc804\uc555 \ubc0f \uc804\ub958 \ub808\ubca8<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>1\ucc28\uce21 \uc804\uc555\uc774 \ub192\uc744\uc218\ub85d \ud544\uc694\ud55c \uc808\uc5f0 \uac70\ub9ac\uac00 \ub298\uc5b4\ub0a9\ub2c8\ub2e4. \uc774\ub294 \uc808\uc5f0\uce35 \ub450\uaed8 \uc99d\uac00, \uad8c\uc120 \ud06c\uae30 \ud655\ub300, \uc5f0\uba74 \uac70\ub9ac \uc99d\uac00 \ub4f1\uc73c\ub85c \uc774\uc5b4\uc9d1\ub2c8\ub2e4. 2\ucc28\uce21 \uc804\ub958\uac00 \ud074\uc218\ub85d \ud544\uc694\ud55c \ub3c4\uccb4\uc758 \ub2e8\uba74\uc801\ub3c4 \ucee4\uc9d1\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Future_Expansion\"><\/span>\ud5a5\ud6c4 \ud655\uc7a5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\ud5a5\ud6c4 \ud655\uc7a5 \uc5ec\uc720 \uc6a9\ub7c9\uc73c\ub85c \uc778\ud574 \ucf54\uc5b4, \uad8c\uc120 \ubc0f \ub0c9\uac01 \uc2dc\uc2a4\ud15c\uc758 \ud06c\uae30\uac00 \uc99d\uac00\ud560 \uac83\uc785\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 \ubcc0\uc555\uae30\uac00 \uc800\ubd80\ud558 \uc0c1\ud0dc\uc5d0\uc11c \uc791\ub3d9\ud558\uac8c \ub418\uc5b4 \uc791\ub3d9 \ud6a8\uc728\uacfc \uacbd\uc81c\uc801 \uc131\ub2a5\uc774 \uc800\ud558\ub420 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Design_and_Material\"><\/span>\ub514\uc790\uc778 \ubc0f \uc18c\uc7ac<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\ucf54\uc5b4 \uc18c\uc7ac\uc758 \uc885\ub958\ub294 \ucf54\uc5b4\uc758 \ub2e8\uba74\uc801\uacfc \ubb34\uac8c\uc5d0 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \uc2e4\ub9ac\ucf58 \uac15\ud310\uc740 \ub3d9\uc77c\ud55c \uc6a9\ub7c9\uc5d0\uc11c \ucf54\uc5b4\uc758 \ub2e8\uba74\uc801\uacfc \ubb34\uac8c\ub97c \uc904\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n<p>\uad8c\uc120 \uc7ac\ub8cc\uc5d0 \ub530\ub77c \uad8c\uc120\uc758 \ud06c\uae30\uc640 \uc81c\uc870 \ube44\uc6a9\ub3c4 \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \uad6c\ub9ac\ub294 \uc804\ub3c4\uc131\uc774 \ub192\uc544 \uad8c\uc120\uc758 \ud06c\uae30\uac00 \ub354 \uc791\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ub0b4\uc5f4\uc131\uc774 \ub192\uc744\uc218\ub85d \ubcc0\uc555\uae30\ub294 \ub354 \ud070 \ubd80\ud558 \uc804\ub958\ub97c \ucc98\ub9ac\ud560 \uc218 \uc788\uace0 \uc18c\ud615\ud654\ub41c \uc124\uacc4\ub97c \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_to_Choose_an_Appropriated_Three_Phase_Transformer_Sizes%EF%BC%9F\"><\/span>\uc801\uc808\ud55c 3\uc0c1 \ubcc0\uc555\uae30 \ud06c\uae30\ub97c \uc120\ud0dd\ud558\ub294 \ubc29\ubc95\uc740 \ubb34\uc5c7\uc77c\uae4c\uc694?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\uc801\ud569\ud55c 3\uc0c1 \ubcc0\uc555\uae30\ub294 \uc804\ub825 \uc2dc\uc2a4\ud15c\uc758 \uc2e0\ub8b0\uc131, \uacbd\uc81c\uc131 \ubc0f \uc7a5\uae30\uc801\uc778 \uc6b4\uc601 \ud6a8\uc728\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4. \uc774\ub294 \uadc0\uc0ac\ub97c \uc704\ud55c \uccb4\uacc4\uc801\uc778 \ud504\ub85c\uc81d\ud2b8\uc785\ub2c8\ub2e4.<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=\"3\uc0c1 \ubcc0\uc555\uae30(2)\" 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>\uc804\uae30 \uc6a9\ub7c9\uc758 \uc815\ud655\ud55c \uacc4\uc0b0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\uc0bc\uc0c1 \ubcc0\uc555\uae30\uac00 \uc804\ub825\uc744 \uacf5\uae09\ud574\uc57c \ud558\ub294 \ubaa8\ub4e0 \ubd80\ud558 \uc7a5\ube44\ub97c \ub098\uc5f4\ud574\uc57c \ud569\ub2c8\ub2e4. \ub610\ud55c \uac01 \uc7a5\ube44\uc758 \uc815\uaca9 \uc804\ub825 \ubc0f \uc5ed\ub960\uacfc \uac19\uc740 \uc8fc\uc694 \ub9e4\uac1c\ubcc0\uc218\ub3c4 \uae30\ub85d\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p>\uc801\uc808\ud55c \uacc4\uc218\ub97c \ucc3e\uc73c\ub824\uba74 \uad6d\uac00 \ud45c\uc900\uc744 \ucc38\uc870\ud558\uac70\ub098 \uacbd\ud5d8\uc774 \ud48d\ubd80\ud55c \uc5d4\uc9c0\ub2c8\uc5b4 \ub610\ub294 \uc5c5\uacc4 \uc804\ubb38\uac00\uc640 \uc0c1\ub2f4\ud574\uc57c \ud569\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \ub3d9\uc2dc \uacc4\uc218\ub97c \uae30\ubc18\uc73c\ub85c \uc804\uccb4 \uc2dc\uc2a4\ud15c\uc758 \ucd5c\ub300 \uc885\ud569 \ubd80\ud558\uc640 \uac01 \ud558\uc704 \uc2dc\uc2a4\ud15c\uc758 \ucd5c\ub300 \uc694\uad6c\ub7c9 \ud569\uacc4\uc758 \ube44\uc728\uc744 \uacc4\uc0b0\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p>\ub9c8\uc9c0\ub9c9\uc73c\ub85c, \uc720\ud6a8 \uc804\ub825\uc740 \uc720\ud6a8 \uc804\ub825(kW) = \u03a3(\uc124\ube44 \uc124\uce58 \uc804\ub825 * \ud544\uc694 \uacc4\uc218) * \ub3d9\uc2dc \uacc4\uc218 \uacf5\uc2dd\uc5d0 \ub530\ub77c \uacc4\uc0b0\ub429\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c, \ud544\uc694 \uc6a9\ub7c9 kVA = kW \/ \ud3c9\uade0 \uc5ed\ub960\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc55e\uc11c \uc5b8\uae09\ud588\ub4ef\uc774, \ud544\uc694\ud55c \ud06c\uae30\ub9cc \uacc4\uc0b0\ud558\ub294 \uac83\uc73c\ub85c\ub294 \ucda9\ubd84\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc7a5\ube44\uc758 \uc548\uc804\uacfc \uc7a5\uae30\uc801\uc778 \uc791\ub3d9\uc744 \uc704\ud574\uc11c\ub294 \ud5a5\ud6c4 \uc5ec\uc720 \uc6a9\ub7c9\uacfc \ubcc0\uc555\uae30\uc758 \ucd5c\uc801 \ubd80\ud558 \uc6a9\ub7c9\ub3c4 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p>\ub2e8\uc21c\ud788 \uae30\uae30\ub4e4\uc758 \uc804\ub825\uc744 \ud569\uc0b0\ud558\ub294 \ubc29\uc2dd\uc740 \uc9c0\uc591\ud574\uc57c \ud569\ub2c8\ub2e4. \ubcc0\uc555\uae30 \ud06c\uae30\ub97c \uc798\ubabb \uc120\ud0dd\ud558\uba74 \ud22c\uc790 \ube44\uc6a9, \ubb34\ubd80\ud558 \uc190\uc2e4 \ubc0f \uacbd\uc81c\uc801 \uc131\ub2a5\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Selection_of_Appropriate_Technical_Type_of_Three-phase_Transformer\"><\/span>\uc801\uc808\ud55c \uc0bc\uc0c1 \ubcc0\uc555\uae30 \uae30\uc220 \uc720\ud615 \uc120\uc815<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\uc0bc\uc0c1 \ubcc0\uc555\uae30\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc720\uc785\uc2dd\uacfc \uac74\uc2dd \ub450 \uac00\uc9c0 \uc720\ud615\uc73c\ub85c \ubd84\ub958\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uac74\uc2dd \uc0bc\uc0c1 \ubcc0\uc555\uae30\ub294 \ud654\uc7ac \uc548\uc804\uc131\uc774 \ub192\uace0 \uc720\uc9c0 \ubcf4\uc218\uac00 \ud544\uc694 \uc5c6\uc2b5\ub2c8\ub2e4. \uc720\uc785\uc2dd \uc0bc\uc0c1 \ubcc0\uc555\uae30\ub294 \uacfc\ubd80\ud558 \uc6a9\ub7c9\uc774 \ud06c\uace0 \uc18c\uc74c\uc774 \uc801\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc608\ub97c \ub4e4\uc5b4, \uace0\uce35 \uac74\ubb3c, \uc9c0\ud558 \uc2dc\uc124, \uc778\uad6c \ubc00\uc9d1 \uc9c0\uc5ed \ub610\ub294 \ud654\uc7ac \ubc0f \ud3ed\ubc1c \uc608\ubc29 \uc694\uac74\uc774 \uc694\uad6c\ub418\ub294 \uc7a5\uc18c\uc5d0 \uc801\uc6a9\ub429\ub2c8\ub2e4. \uc548\uc804\uc0c1\uc758 \uc774\uc720\ub85c \uc774\ub7ec\ud55c \uacbd\uc6b0\uc5d0\ub294 \uac74\uc2dd \ubcc0\uc555\uae30\ub97c \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4. \uc625\uc678 \ubcc0\uc804\uc18c \ubc0f \ube44\uc6a9\uc5d0 \ubbfc\uac10\ud55c \uc0b0\uc5c5 \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c\ub294 \uc720\uc785\uc2dd \ubcc0\uc555\uae30 \uc0ac\uc6a9\uc744 \uace0\ub824\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc804\ubc18\uc801\uc73c\ub85c \uc774\ub294 \uc8fc\ub85c \uc124\uce58 \ud658\uacbd, \ubcf4\uc548 \ud45c\uc900 \ubc0f \uc720\uc9c0 \uad00\ub9ac \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub530\ub77c \uacb0\uc815\ub429\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Selection_of_Suitable_Cooling_Method\"><\/span>\uc801\ud569\ud55c \ub0c9\uac01 \ubc29\ubc95 \uc120\ud0dd<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>3\uc0c1 \ubcc0\uc555\uae30\uc758 \ud06c\uae30\uc640 \uc791\ub3d9 \ud2b9\uc131\uc744 \ucd5c\uc801\ud654\ud558\ub824\uba74 \ub0c9\uac01 \ubc29\uc2dd \uc120\ud0dd \ub610\ud55c \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<p>IEC \ud45c\uc900\uc5d0 \ub530\ub974\uba74 \uc720\uc785\uc2dd \ubcc0\uc555\uae30\uc758 \ub0c9\uac01 \ubc29\uc2dd\uc740 ONAN, ONAF \ubc0f OFAF\ub85c \ubd84\ub958\ub429\ub2c8\ub2e4.<\/p>\n<p><strong><b>\uc624\ub09c<\/b><\/strong>\uac04\ub2e8\ud558\uace0 \uc18c\uc74c\uc774 \uc5c6\uc73c\uba70 \uc720\uc9c0\ubcf4\uc218\uac00 \ud544\uc694 \uc5c6\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \ubc29\uc5f4 \ud6a8\uc728\uc774 \ub0ae\uc544 \uc18c\ud615 \ubc0f \uc911\ud615 \ubcc0\uc555\uae30\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n<p><strong><b>ONAF<\/b><\/strong>\uc774 \uc81c\ud488\uc740 \uc5f4 \ubc29\ucd9c \ub2a5\ub825\uc774 \ub6f0\uc5b4\ub098\uace0 \ubcc0\uc555\uae30 \uc124\uacc4\uac00 \ub354\uc6b1 \ucf64\ud329\ud2b8\ud569\ub2c8\ub2e4. \ud06c\uae30, \uc6a9\ub7c9 \ubc0f \ube44\uc6a9\uc758 \uade0\ud615\uc744 \uc798 \ub9de\ucdb0\uc8fc\ub294 \uc8fc\ub958 \uc81c\ud488\uc73c\ub85c, \uc911\ub300\ud615 \ubcc0\uc555\uae30\uc5d0 \ub354\uc6b1 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n<p><strong><b>OFAF<\/b><\/strong>\uc774 \ubc29\uc2dd\uc740 \uc5f4 \ubc29\ucd9c \ud6a8\uc728\uc774 \uac00\uc7a5 \ub192\uc9c0\ub9cc \uad6c\uc870\uac00 \ubcf5\uc7a1\ud558\uace0 \uc720\uc9c0 \ubcf4\uc218 \uc694\uad6c \uc0ac\ud56d\uc774 \ub192\uc2b5\ub2c8\ub2e4. \ub300\ud615 \ubc0f \ucd08\ub300\ud615 \ubcc0\uc555\uae30\uc5d0 \ub354 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n<p>\uac74\uc2dd \ubcc0\uc555\uae30\uc758 \ub0c9\uac01 \ubc29\uc2dd\uc740 AN\uacfc AF\ub85c \ubd84\ub958\ub429\ub2c8\ub2e4.<\/p>\n<p><strong><b>\uc564<\/b><\/strong>\uc870\uc6a9\ud558\uac8c \uc791\ub3d9\ud558\uc9c0\ub9cc \ub0c9\ubc29 \uc6a9\ub7c9\uc774 \uc81c\ud55c\uc801\uc785\ub2c8\ub2e4. \uc911\uac04 \ud06c\uae30 \uc6a9\ub7c9\uacfc \ub0ae\uc740 \ubd80\ud558\uc728\uc758 \uc2e4\ub0b4 \ud658\uacbd\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n<p><strong><b>AF<\/b><\/strong>\ud06c\uae30\ub294 \uc791\uc73c\uba74\uc11c\ub3c4 \ub354 \ud070 \ubcc0\uc555\uae30 kVA \uc6a9\ub7c9\uc744 \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2e4\ub0b4 \uacf5\uac04 \uc808\uc57d\uc5d0 \uc801\ud569\ud55c \uc120\ud0dd\uc785\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ensuring_Adequate_Transportation_Routes_and_Installation_Space\"><\/span>\uc801\uc808\ud55c \uc6b4\uc1a1 \uacbd\ub85c \ubc0f \uc124\uce58 \uacf5\uac04 \ud655\ubcf4<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\uc804\uae30 \uc0ac\uc591\uc744 \uc120\ud0dd\ud558\ub294 \uac83 \uc678\uc5d0\ub3c4 \uc6b4\uc1a1 \uacbd\ub85c\ub97c \ucca0\uc800\ud788 \uc870\uc0ac\ud558\uace0 \ub9de\ucda4\ud615 \uc6b4\uc1a1 \uacc4\ud68d\uc744 \uc218\ub9bd\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p>\ubcc0\uc555\uae30\uc758 \ud06c\uae30\uc5d0 \ub530\ub77c \uc124\uce58 \uacf5\uac04\uc5d0 \ub300\ud55c \ud569\ub9ac\uc801\uc778 \uacc4\ud68d\uc744 \uc138\uc6cc\uc57c \ud569\ub2c8\ub2e4. IEC \ub610\ub294 ISO \ud45c\uc900\uc5d0 \ub530\ub77c \uc720\uc9c0 \ubcf4\uc218 \ud1b5\ub85c, \ud658\uae30 \uacf5\uac04 \ubc0f \uc804\uae30 \uc548\uc804 \uac70\ub9ac\ub97c \ucda9\ubd84\ud788 \ud655\ubcf4\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p>\uac74\ubb3c \uad6c\uc870\uac00 \ubcc0\uc555\uae30\uc758 \ubb34\uac8c\ub97c \uacac\ub51c \uc218 \uc788\ub294\uc9c0 \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4. \ub610\ud55c \ucf00\uc774\ube14 \uc785\ucd9c\uace0 \ubc29\ubc95\uc744 \uacb0\uc815\ud558\uace0 \ud574\ub2f9 \uacf5\uac04\uc744 \ud655\ubcf4\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Comprehensive_Evaluation_and_Analysis\"><\/span>\uc885\ud569\uc801\uc778 \ud3c9\uac00 \ubc0f \ubd84\uc11d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\ub9c8\uc9c0\ub9c9\uc73c\ub85c, \ucd08\uae30 \ud22c\uc790 \ube44\uc6a9, \uc6b4\uc601 \ube44\uc6a9, \uc720\uc9c0 \ubcf4\uc218 \ube44\uc6a9 \ub4f1\uc744 \ud3ec\ud568\ud55c \ucd1d \uc18c\uc720 \ube44\uc6a9 \ubd84\uc11d\uc744 \uc218\ud589\ud574\uc57c \ud569\ub2c8\ub2e4. \ub610\ud55c, \uc81c\uc870\uc5c5\uccb4\uc758 \uc790\uaca9 \ubc0f \ubcc0\uc555\uae30 \ud575\uc2ec \ubd80\ud488\uc758 \ud488\uc9c8\uc5d0 \ub300\ud55c \uc2e0\ub8b0\uc131 \ud3c9\uac00\ub3c4 \uc2e4\uc2dc\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p>\ud574\ub2f9 \uc9c0\uc5ed\uc5d0 \uc5c4\uaca9\ud55c \ud658\uacbd \uaddc\uc81c\uac00 \uc788\ub294 \uacbd\uc6b0, \uc81c\ud488\uc774 \ud604\uc9c0\uc5d0\uc11c \uc758\ubb34\uc801\uc73c\ub85c \uc801\uc6a9\ub418\ub294 \uc5d0\ub108\uc9c0 \ud6a8\uc728 \uae30\uc900 \ubc0f \ud658\uacbd \uc694\uac74\uc744 \ucda9\uc871\ud558\ub294\uc9c0 \uc5ec\ubd80\ub3c4 \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4.<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=\"\uac74\uc2dd \ubcc0\uc555\uae30(2)\" 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>\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<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>\uc0bc\uc0c1 \ubcc0\uc555\uae30\uc758 \ud06c\uae30\uac00 \uc65c \uadf8\ub807\uac8c \uc911\uc694\ud560\uae4c\uc694?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\ubcc0\uc555\uae30\uc758 \ubb3c\ub9ac\uc801 \ud06c\uae30\ub294 \uc6d0\ud65c\ud55c \uc124\uce58\ub97c \uc88c\uc6b0\ud569\ub2c8\ub2e4. \ubcc0\uc555\uae30 \uc6a9\ub7c9(kVA)\uc740 \uad6c\ub9e4 \ube44\uc6a9 \ubc0f \uc6b4\uc601 \uc548\uc804\uacfc \ubc00\uc811\ud55c \uad00\ub828\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc801\uc808\ud55c \uc6a9\ub7c9\uc758 \ubcc0\uc555\uae30\ub294 \ucd5c\uc801 \ubd80\ud558\uc728\uc5d0\uc11c \ud6a8\uc728\uc801\uc774\uace0 \uc548\uc815\uc801\uc73c\ub85c \uc791\ub3d9\ud560 \uc218 \uc788\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \ub610\ud55c \uc0c1\ub958 \ubc0f \ud558\ub958 \ucf00\uc774\ube14, \uc2a4\uc704\uce58, \ubcf4\ud638 \uc7a5\ube44\uc758 \uc120\ud0dd\uc744 \uacb0\uc815\ud558\uba70, \uc804\uccb4 \uc804\ub825 \uacf5\uae09 \uc2dc\uc2a4\ud15c\uc758 \uc548\uc815\uc801\uc778 \uc6b4\uc601\uc744 \uc704\ud55c \uae30\ubc18\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Is_A_Larger_Transformer_Size_Necessarily_Safer\"><\/span>\ubcc0\uc555\uae30 \ud06c\uae30\uac00 \ud074\uc218\ub85d \ubc18\ub4dc\uc2dc \ub354 \uc548\uc804\ud55c\uac00\uc694?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\ubc18\ub4dc\uc2dc \uadf8\ub7f0 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4. \ud06c\uae30\uac00 \uc9c0\ub098\uce58\uac8c \ucee4\uc9c0\uba74 \ub2e8\ub77d \uc804\ub958\uac00 \uc99d\uac00\ud558\uc5ec \uc694\uad6c \uc0ac\ud56d\uc774 \ub192\uc544\uc9d1\ub2c8\ub2e4. <a href=\"https:\/\/www.kdmsteel.com\/ko\/\ud68c\ub85c-\ucc28\ub2e8\uae30-\uc778\ud074\ub85c\uc800\/\">\ud68c\ub85c \ucc28\ub2e8\uae30<\/a>\u00a0\uadf8\ub9ac\uace0 \ubcf4\ud638 \uc7a5\ube44\ub3c4 \uc911\uc694\ud569\ub2c8\ub2e4. \uc7a5\ube44\uac00 \uc81c\ub300\ub85c \ud638\ud658\ub418\uc9c0 \uc54a\uc73c\uba74 \uace0\uc7a5 \ubc1c\uc0dd \uc2dc \uc804\ub958\ub97c \uc81c\ub54c \ucc28\ub2e8\ud558\uc9c0 \ubabb\ud574 \ub354 \uc2ec\uac01\ud55c \uc0ac\uace0\ub85c \uc774\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc548\uc804\uc740 \ubb3c\ub9ac\uc801 \ud06c\uae30\uc5d0 \uc788\ub294 \uac83\uc774 \uc544\ub2c8\ub77c \uc6a9\ub7c9\uc758 \ud638\ud658\uc131\uacfc \uc644\ubcbd\ud55c \ubcf4\ud638 \uc2dc\uc2a4\ud15c\uc5d0 \ub2ec\ub824 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Why_Are_Amorphous_Alloy_Transformers_Large_and_Expensive\"><\/span>\ube44\uc815\uc9c8 \ud569\uae08 \ubcc0\uc555\uae30\uac00 \ud06c\uace0 \ube44\uc2fc \uc774\uc720\ub294 \ubb34\uc5c7\uc77c\uae4c\uc694?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\ud06c\uae30\uac00 \ud070 \uc774\uc720\ub294 \uc0c1\ub300\uc801\uc73c\ub85c \ub0ae\uc740 \uc790\ud654 \ubc00\ub3c4 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \ub3d9\uc77c\ud55c \uc790\uc18d\uc744 \uc5bb\uc73c\ub824\uba74 \ucca0\uc2ec\uc758 \ub2e8\uba74\uc801\uc744 \ub354 \ud06c\uac8c \ub9cc\ub4e4\uc5b4\uc57c \ud558\ubbc0\ub85c \ubd80\ud53c\uc640 \ubb34\uac8c\uac00 \uc99d\uac00\ud569\ub2c8\ub2e4. \uac00\uaca9\uc774 \ub192\uc740 \uc774\uc720\ub294 \ub192\uc740 \uc7ac\ub8cc\ube44, \uc5b4\ub824\uc6b4 \uac00\uacf5\uc131, \uadf8\ub9ac\uace0 \uc5d0\ub108\uc9c0 \uc808\uc57d\uc5d0 \ub530\ub978 \ud504\ub9ac\ubbf8\uc5c4 \ub54c\ubb38\uc785\ub2c8\ub2e4. \uc5f0\uc911\ubb34\ud734\ub85c \uac00\ub3d9\ud574\uc57c \ud558\uace0 \uc7a5\uae30\uc801\uc778 \uc5d0\ub108\uc9c0 \uc808\uc57d\uc5d0 \uc911\uc810\uc744 \ub450\ub294 \uc2dc\ub098\ub9ac\uc624\uc5d0 \ub354 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Final_Thought\"><\/span>\ub9c8\uc9c0\ub9c9\uc73c\ub85c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>KDM\uc740 \uace0\ud488\uc9c8 \uc804\uae30 \uc778\ud074\ub85c\uc800\ub97c \ub9de\ucda4 \uc81c\uc791\ud558\ub294 \uc804\ubb38 \uc5c5\uccb4\uc785\ub2c8\ub2e4. \ubaa8\ub4e0 \uc81c\ud488\uc740 \ucd5c\uace0\uae09 \uc18c\uc7ac\uc640 \ucca8\ub2e8 \uac00\uacf5 \uae30\uc220\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc81c\uc791\ub418\uba70, \uc548\uc804\uc131\uacfc \uc2e0\ub8b0\uc131\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \ub2e4\uc591\ud55c \uc778\uc99d\uc744 \ubcf4\uc720\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ub9de\ucda4 \uc81c\uc791 \uad00\ub828 \ubb38\uc758 \uc0ac\ud56d\uc774 \uc788\uc73c\uc2dc\uba74 \uc5b8\uc81c\ub4e0\uc9c0 \uc5f0\ub77d \uc8fc\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4. <a href=\"https:\/\/www.kdmsteel.com\/ko\/\uc5f0\ub77d\ud558\ub2e4\/\">\ubb38\uc758\ud558\uae30<\/a>. \uc2e0\uc18d\ud558\uac8c \ub2f5\ubcc0\ub4dc\ub9ac\uace0 \ub9cc\uc871\uc2a4\ub7ec\uc6b4 \ub9de\ucda4\ud615 \uc194\ub8e8\uc158\uc744 \uc81c\uacf5\ud574 \ub4dc\ub9ac\uaca0\uc2b5\ub2c8\ub2e4.<\/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\/ko\/3\uc0c1-\ubcc0\uc555\uae30-\ud06c\uae30\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\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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