{"id":10694,"date":"2026-08-29T23:42:54","date_gmt":"2026-08-29T15:42:54","guid":{"rendered":"https:\/\/q8bbzjnpm5.wpdns.site\/?p=10694"},"modified":"2026-08-29T23:42:54","modified_gmt":"2026-08-29T15:42:54","slug":"the-role-of-main-transformers-powering-modern-industry-safely-and-efficiently","status":"publish","type":"post","link":"https:\/\/subian-electric.com\/ko\/news\/the-role-of-main-transformers-powering-modern-industry-safely-and-efficiently\/","title":{"rendered":"\uc8fc\uc694 \ubcc0\uc555\uae30\uc758 \uc5ed\ud560: \ud604\ub300 \uc0b0\uc5c5\uc744 \uc548\uc804\ud558\uace0 \ud6a8\uc728\uc801\uc73c\ub85c \uc804\ub825 \uacf5\uae09\ud558\uae30"},"content":{"rendered":"<p>\uc81c\ucca0\uc18c\uc5d0\uc11c \uc544\ud06c \uc6a9\uad11\ub85c \ubcc0\uc555\uae30\ub294 \ubc31\uc5f4\uac15\uc5d0\uc11c \ubd88\uacfc \uba87 \ubbf8\ud130 \ub5a8\uc5b4\uc9c4 \uacf3\uc5d0 \uc704\uce58\ud558\uba70, 40,000 A\uc758 2\ucc28 \uc804\ub958\ub97c \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ubc18\ub3c4\uccb4 \uacf5\uc7a5\uc5d0\uc11c \uc8fc \ubcc0\uc555\uae30\ub294 110 kV\ub97c 20 kV\ub85c \ub0ae\ucd94\uc5b4 \uacc4\ud68d\ub418\uc9c0 \uc54a\uc740 \ub2e4\uc6b4\ud0c0\uc784\uc744 \uacac\ub51c \uc218 \uc5c6\ub294 \uc2dc\uc124\uc5d0 \uacf5\uae09\ud569\ub2c8\ub2e4. \uc8fc \ubcc0\uc555\uae30\ub294 \uc2e4\uc81c\ub85c \uc0b0\uc5c5 \uc138\uacc4\uc758 \uc911\ucd94\ub85c, \uc720\ud2f8\ub9ac\ud2f0 \ub77c\uc778\uc5d0\uc11c \uace0\uc804\uc555 \uacf5\uae09\uc744 \uc804\uc1a1\ud55c \ub2e4\uc74c, \uc774\ub97c \uc800\uc804\uc555\uc73c\ub85c \uacf5\uc7a5\uc758 \uc2a4\uc704\uce58\uae30\uc5b4, \uc5d4\uc9c4 \ubc0f \uc6a9\uad11\ub85c\uc5d0 \uc804\ub2ec\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc774 \uae30\uc0ac\uc5d0\uc11c\ub294 \uc8fc \ubcc0\uc555\uae30\uac00 \ubb34\uc5c7\uc778\uc9c0, \ubc30\uc804 \ubcc0\uc555\uae30 \ubc0f \uc720\ub2db \ubcc0\uc555\uae30\uc640 \uc5b4\ub5bb\uac8c \uad6c\ubcc4\ud558\ub294\uc9c0, \uc0b0\uc5c5 \uc2dc\uc124\uc5d0 \ub9de\uac8c \ud06c\uae30\uc640 \uc0ac\uc591\uc744 \uc5b4\ub5bb\uac8c \uc815\ud558\ub294\uc9c0, \ud6a8\uc728\uc131, \uc784\ud53c\ub358\uc2a4, \ub0c9\uac01, \ubcf4\ud638 \ubc0f \uac00\uaca9 \uce21\uba74\uc5d0\uc11c \ube44\uc6a9\uc774 \uc5bc\ub9c8\ub098 \ub418\ub294\uc9c0\uc5d0 \ub300\ud574 \uc54c\uc544\ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc804\uae30 \uc5d4\uc9c0\ub2c8\uc5b4, \ud50c\ub79c\ud2b8 \uc5d4\uc9c0\ub2c8\uc5b4 \ub610\ub294 \uad6c\ub9e4 \uad00\ub9ac\uc790 \uc5ec\ubd80\uc5d0 \uad00\uacc4\uc5c6\uc774 \uc774 \uac00\uc774\ub4dc\ub294 \uc62c\ubc14\ub978 \uc120\ud0dd\uc744 \ud558\uae30 \uc704\ud574 \ud544\uc694\ud55c \ubaa8\ub4e0 \uae30\uc220\uc801 \ubc0f \uc0c1\uc5c5\uc801 \ub370\uc774\ud130\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10695\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/08\/Main-Transformers-Powering-Modern-Industry.webp\" alt=\"\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2 id=\"definition\">\uc8fc \ubcc0\uc555\uae30\ub780 \ubb34\uc5c7\uc778\uac00? (\uc815\uc758)<\/h2>\n<p>\uc0b0\uc5c5, \uc0c1\uc5c5 \ub610\ub294 \uc720\ud2f8\ub9ac\ud2f0 \uc2dc\uc124\uc758 \uc8fc \ubcc0\uc555\uae30\ub294 \uac00\uc7a5 \ud070 \uc804\ub825 \ubcc0\uc555\uae30\ub85c, \uc2dc\uc124\uc744 \uc804\ub825\ub9dd\uc5d0 \uc5f0\uacb0\ud558\uace0 \ubaa8\ub4e0 \ub0b4\ubd80 \ubc30\uc804 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc804\ub825\uc744 \uacf5\uae09\ud558\ub294 \uc7a5\uce58\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \uc81c\ucca0\uc18c\uc5d0\uc11c\ub294 40MVA\/110kV \uc720\ub2db\uc77c \uc218 \uc788\uc73c\uba70, \uc911\ud615 \uacf5\uc7a5\uc740 2.5MVA\/11kV \uc720\ub2db\uc744 \uc0ac\uc6a9\ud558\uace0, \ubcd1\uc6d0 \ucea0\ud37c\uc2a4\ub294 \uc544\ub9c8\ub3c4 \uc5ec\ub7ec \uac1c\uc758 2MVA \uc720\ub2db\uc744 \uc801\uc6a9\ud558\uc5ec \uc911\ubcf5\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774 \uc7a5\uce58\uac00 \uc8fc \ubcc0\uc555\uae30\ub77c\uace0 \ubd88\ub9ac\ub294 \uc774\uc720\ub294 \uc804\uc555 \uac12\uc774 \uc544\ub2c8\ub77c \ubcc0\uc555\uae30\uac00 \uacf5\uc7a5\uc758 \uc8fc\uc694 \uc804\uae30 \uad6c\uc131 \uc694\uc18c\ub85c\uc11c\uc758 \uc704\uce58\uc5d0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc8fc \ubcc0\uc555\uae30\ub294 \uc190\uc2e4, \uace0\ud488\uc9c8 \uc808\uc5f0, \uc791\ub3d9\ud558\ub294 \ud0ed \uccb4\uc778\uc800 \ubc0f \uc801\uc808\ud55c \ubcf4\ud638 \uc194\ub8e8\uc158\uacfc \uad00\ub828\ud558\uc5ec \ucd5c\uc0c1\uc758 \uc194\ub8e8\uc158\uc744 \ud3ec\ud568\ud558\ubbc0\ub85c \ucd5c\ub300 \uc2e0\ub8b0\uc131\uc73c\ub85c \uc791\ub3d9\ud558\ub3c4\ub85d \uc81c\uc870\ub429\ub2c8\ub2e4. \uc8fc \ubcc0\uc555\uae30\uc758 \uace0\uc7a5\uc73c\ub85c \uc778\ud55c \ube44\uc6a9\uc740 \uc218\ub9ac \ube44\uc6a9\ubfd0\ub9cc \uc544\ub2c8\ub77c, \uacf5\uc815 \ud50c\ub79c\ud2b8\uc758 \uacbd\uc6b0 \uace0\uc7a5\uc73c\ub85c \uc778\ud55c \uc190\uc2e4\uc774 \uc218\ubc31\ub9cc \ub2ec\ub7ec\uc5d0 \uc774\ub97c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2 id=\"role\">\uc0b0\uc5c5 \uc804\ub825 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc8fc \ubcc0\uc555\uae30\uc758 \uc5ed\ud560<\/h2>\n<p>\ud604\ub300 \uc0b0\uc5c5 \uc124\uce58\uc758 \uc804\ub825 \uad6c\uc870\ub294 \ub300\uccb4\ub85c \uc720\uc0ac\ud55c \ud328\ud134\uc744 \ub530\ub985\ub2c8\ub2e4:<\/p>\n<p>\uc720\ud2f8\ub9ac\ud2f0 \uc5f0\uacb0 \u2014 33 kV\uc5d0\uc11c 220 kV\uae4c\uc9c0 \ubc94\uc704\uac00 \uc788\uc73c\uba70, \uc124\uce58\uc758 \uacbd\uacc4\uc5d0 \uc704\uce58\ud569\ub2c8\ub2e4(\uc678\ubd80 \uc804\ub825 \uacf5\uae09\uc774 \uc2dc\uc124\uc758 \uc804\uae30 \uc2dc\uc2a4\ud15c\uc5d0 \uc5f0\uacb0\ub418\ub294 \uc9c0\uc810).<br \/>\n\uc8fc \ubcc0\uc555\uae30 \u2014 \uc2dc\uc124 \uc790\uccb4\uc5d0 \ub300\ud574 6.6 kV\uc5d0\uc11c 35 kV\uc758 \uacf5\uae09 \uc804\uc555\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4.<br \/>\n\uc911\uc804\uc555 \ubc30\uc804 \uc2dc\uc2a4\ud15c \u2014 \ubcc0\uc804\uc18c, \ubaa8\ud130 \uc81c\uc5b4 \uc13c\ud130 \ubc0f \uc8fc\uc694 \ub4dc\ub77c\uc774\ube0c\uc5d0 \ub300\ud55c \uc804\ub825 \uc5f0\uacb0\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4.<br \/>\n\uc720\ub2db \ubcc0\uc555\uae30 \u2014 \uacf5\uae09 \uc804\uc555\uc744 6.6 kV\uc5d0\uc11c 35 kV\ub85c \ub0ae\ucd94\uc5b4 400V \ubc0f 230V\ub97c \uc0dd\uc131\ud558\uace0 \uac74\ubb3c \ubc0f \uc18c\ud615 \ubd80\ud558\uc5d0 \uc804\uae30\ub97c \uacf5\uae09\ud569\ub2c8\ub2e4.<br \/>\n\uc911\uc694\ud55c \ubd80\ud558 \u2014 \ubb34\uc815\uc804 \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58(UPS), \ubc31\uc5c5 \ubc1c\uc804\uae30 \ubc0f \uc124\uce58\ub41c \uc911\ubcf5 \uc2a4\uc704\uce58\ub85c \ub098\ud0c0\ub0a9\ub2c8\ub2e4.<\/p>\n<p>\uc774\ub7ec\ud55c \ud2c0\uc5d0\uc11c, \uc8fc \ubcc0\uc555\uae30\ub294 \uc804\uc555\uc744 \ubcc0\ud658\ud560 \ubfd0\ub9cc \uc544\ub2c8\ub77c \uc784\ud53c\ub358\uc2a4\ub85c \uc778\ud574 \uc804\uccb4 \ud68c\ub85c\ub97c \uacb0\ud568\uc73c\ub85c\ubd80\ud130 \ubcf4\ud638\ud558\uace0, \ud0ed\uc758 \uac00\uc6a9\uc131\uc5d0 \ub530\ub77c \uc804\uc555\uc744 \uc81c\uc5b4\ud558\uba70, \uc720\ud2f8\ub9ac\ud2f0 \ub124\ud2b8\uc6cc\ud06c\uc640 \uc2dc\uc124\uc744 \ubd84\ub9ac\ud569\ub2c8\ub2e4.<\/p>\n<h2 id=\"sizing\">\uc2dc\uc124\uc744 \uc704\ud55c \uc8fc \ubcc0\uc555\uae30 \ud06c\uae30 \uacb0\uc815 \ubc29\ubc95<\/h2>\n<p>\ud06c\uae30 \uacb0\uc815\uc740 \ubaa8\ub4e0 \ub2e4\ub978 \uc0ac\uc591\uc744 \uacb0\uc815\uc9d3\ub294 \uc694\uc18c\uc785\ub2c8\ub2e4. \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc21c\uc11c:<\/p>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"6\">\n<caption>\uc8fc \ubcc0\uc555\uae30 \ud06c\uae30 \uacb0\uc815 \ub2e8\uacc4<\/caption>\n<tbody>\n<tr>\n<th>\ub2e8\uacc4<\/th>\n<th>\ubc29\ubc95<\/th>\n<th>\uc77c\ubc18\uc801\uc778 \uacb0\uacfc<\/th>\n<\/tr>\n<tr>\n<td>\ubd80\ud558 \ubaa9\ub85d<\/td>\n<td>\uce74\ud14c\uace0\ub9ac\ubcc4\ub85c \uc5f0\uacb0\ub41c \ubd80\ud558 \ud569\uc0b0<\/td>\n<td>\uc608: 8 MW \uc5f0\uacb0\ub428<\/td>\n<\/tr>\n<tr>\n<td>\uc218\uc694 \uacc4\uc218<\/td>\n<td>\ub2e4\uc591\uc131 \uc801\uc6a9 (0.6\u20130.85 \uc77c\ubc18\uc801)<\/td>\n<td>\uc608: \ucd5c\ub300 \uc218\uc694 6 MW<\/td>\n<\/tr>\n<tr>\n<td>\uc5ed\ub960 \ubcf4\uc815<\/td>\n<td>9\u20130.95\ub85c \ubcf4\uc0c1<\/td>\n<td>\u22486.5\u20137 MVA \uac89\ubcf4\uae30<\/td>\n<\/tr>\n<tr>\n<td>\uc131\uc7a5 \uc5ec\uc720<\/td>\n<td>\ubbf8\ub798\ub97c \uc704\ud574 15%\u201325% \ucd94\uac00<\/td>\n<td>\u22488\u20138.5 MVA \uc120\ud0dd\ub428<\/td>\n<\/tr>\n<tr>\n<td>\uc911\ubcf5\uc131 \uacb0\uc815<\/td>\n<td>N \ub610\ub294 N+1 \uad6c\uc131<\/td>\n<td>\uc911\uc694\ud560 \uacbd\uc6b0 2\u00d78 MVA<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\uc0b0\uc5c5 \uc2dc\uc124\uc5d0 \ub300\ud55c \ud655\uc2e4\ud55c \uc9c0\uce68\uc740 \uc8fc \ubcc0\uc555\uae30\ub97c \ud06c\uae30 \uc870\uc815\ud558\uc5ec \uc815\uae30\uc801\uc778 \ud53c\ud06c \ubd80\ud558\uac00 \uc815\uaca9\uc758 60%\uc5d0\uc11c 80% \uc0ac\uc774\uc5d0 \uc788\ub3c4\ub85d \ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774\ub294 \uacfc\ubd80\ud558\uc5d0 \ub300\ud55c \uc5ec\uc720\uac00 \uc788\uace0, \ud6a8\uc728\uc131\uc774 \uadf9\ub300\ud654\ub418\uba70, \ubaa8\ud130\uac00 \uc2dc\uc791\ud560 \ub54c \uc804\ub825 \uac10\uc18c\uc5d0 \ub300\ud55c \ucda9\ubd84\ud55c \uc5ec\uc720\uac00 \uc788\uc74c\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc911\uc694 \uc2dc\uc124\uc758 \uacbd\uc6b0, \ub450 \uac1c\uc758 \ubcc0\uc555\uae30\ub97c N+1 \uad6c\uc131\uc73c\ub85c \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 (\ub450 \ubcc0\uc555\uae30 \ubaa8\ub450 \ube44\uc0c1 \uc2dc \uc804\uccb4 \ubd80\ud558\ub97c \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \uacbd\uc6b0) \ub9e4\uc6b0 \uc77c\ubc18\uc801\uc774 \ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<h2 id=\"types\">\uc8fc \ubcc0\uc555\uae30 \uc720\ud615 \ubc0f \uad6c\uc131<\/h2>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"6\">\n<caption>\uc77c\ubc18\uc801\uc778 \uc8fc \ubcc0\uc555\uae30 \uad6c\uc131<\/caption>\n<tbody>\n<tr>\n<th>\uad6c\uc131<\/th>\n<th>\uc804\uc555 \ub2e8\uacc4<\/th>\n<th>\uc804\ud615\uc801\uc778 \uc815\uaca9<\/th>\n<th>\uc0ac\uc6a9 \uc7a5\uc18c<\/th>\n<\/tr>\n<tr>\n<td>2\uad8c\uc120, \uc624\uc77c \uce68\uc9c0\ud615<\/td>\n<td>110\/20 kV<\/td>\n<td>5\u201360 MVA<\/td>\n<td>\ub300\ubd80\ubd84\uc758 \uc0b0\uc5c5 \ud604\uc7a5<\/td>\n<\/tr>\n<tr>\n<td>2\uad8c\uc120, \uac74\uc2dd\ud615<\/td>\n<td>11\/0.4 kV \ub610\ub294 20\/0.4 kV<\/td>\n<td>5\u201310 MVA<\/td>\n<td>\uc2e4\ub0b4, \ud654\uc7ac \ubbfc\uac10 \uc2dc\uc124<\/td>\n<\/tr>\n<tr>\n<td>3\uad8c\uc120<\/td>\n<td>110\/20\/6.6 kV<\/td>\n<td>10\u201360 MVA<\/td>\n<td>\uc5ec\ub7ec \uc804\uc555 \uc218\uc900\uc744 \uac00\uc9c4 \uacf5\uc7a5<\/td>\n<\/tr>\n<tr>\n<td>N+1 \uc30d \ubc45\ud06c<\/td>\n<td>110\/20 kV \u00d72<\/td>\n<td>2\u00d75\u20132\u00d730 MVA<\/td>\n<td>\ub370\uc774\ud130 \uc13c\ud130, \ubcd1\uc6d0, \uc815\uc720\uc18c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\uc0bc\uad8c \ubcc0\uc555\uae30\ub294 \ud604\uc7a5\uc5d0\uc11c \uc911\uc804\uc555 \ud504\ub85c\uc138\uc2a4 \ubc84\uc2a4\uc640 \ubcc4\ub3c4\uc758 \ubcf4\uc870 \ubc84\uc2a4\uac00 \ubaa8\ub450 \ud544\uc694\ud55c \uacbd\uc6b0\uc5d0 \uc778\uae30\uac00 \uc788\uc73c\uba70, \uc138 \ubc88\uc9f8 \uad8c\uc120\uc740 \ub610\ud55c \uace0\uc870\ud30c \uacbd\ub85c\ub97c \uc81c\uacf5\ud558\uace0 \ubcc4\ub3c4\uc758 \uc720\ub2db \ubcc0\uc555\uae30\uc758 \ud544\uc694\uc131\uc744 \uc904\uc785\ub2c8\ub2e4.<\/p>\n<h2 id=\"vs\">\uc8fc \ubcc0\uc555\uae30 vs. \ubc30\uc804 \ubcc0\uc555\uae30 vs. \uc720\ub2db \ubcc0\uc555\uae30<\/h2>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"6\">\n<caption>\uc8fc \ubcc0\uc555\uae30 vs. \ubc30\uc804 \ubc0f \uc720\ub2db \ubcc0\uc555\uae30<\/caption>\n<tbody>\n<tr>\n<th>\uce21\uba74<\/th>\n<th>\uc8fc \ubcc0\uc555\uae30<\/th>\n<th>\ubc30\uc804 \ubcc0\uc555\uae30<\/th>\n<th>\uc720\ub2db \ubcc0\uc555\uae30<\/th>\n<\/tr>\n<tr>\n<td>\uc704\uce58<\/td>\n<td>\uc720\ud2f8\ub9ac\ud2f0 \uacbd\uacc4\uc5d0\uc11c \uacf5\uc7a5 MV<\/td>\n<td>MV \ud53c\ub354\uc5d0\uc11c \ucd5c\uc885 \uc0ac\uc6a9\uc790\uae4c\uc9c0<\/td>\n<td>\uacf5\uc7a5 MV\uc5d0\uc11c LV \ubd80\ud558\uae4c\uc9c0<\/td>\n<\/tr>\n<tr>\n<td>\uc77c\ubc18\uc801\uc778 \uc815\uaca9<\/td>\n<td>5\u201360 MVA<\/td>\n<td>50 kVA\u20132,500 kVA<\/td>\n<td>100 kVA\u20133 MVA<\/td>\n<\/tr>\n<tr>\n<td>1\ucc28 \uc804\uc555<\/td>\n<td>11\u2013220 kV<\/td>\n<td>4\u201335 kV<\/td>\n<td>6\u201335 kV<\/td>\n<\/tr>\n<tr>\n<td>\uc791\ub3d9 \ud504\ub85c\ud30c\uc77c<\/td>\n<td>\uc9c0\uc18d\uc801\uc778 \uace0\ubd80\ud558 + \uacfc\ubd80\ud558<\/td>\n<td>\uac00\ubcc0 \ubd80\ubd84 \ubd80\ud558<\/td>\n<td>\uac74\ubb3c\/\ud504\ub85c\uc138\uc2a4 \ubd80\ud558<\/td>\n<\/tr>\n<tr>\n<td>\uc77c\ubc18 \uac00\uaca9<\/td>\n<td>$35k\u2013$300k+<\/td>\n<td>$1.5k\u2013$45k<\/td>\n<td>$5k\u2013$70k<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u201c\uc8fc\u201d\uc640 \u201c\uc720\ub2db\u201d\uc758 \uacbd\uacc4\ub294 \ub2e8\uc77c \ubcc0\uc555\uae30\uac00 \ub450 \uac00\uc9c0 \uc791\uc5c5\uc744 \ubaa8\ub450 \uc218\ud589\ud558\ub294 \uc18c\uaddc\ubaa8 \uc2dc\uc124\uc5d0\uc11c \ubaa8\ud638\ud574\uc9c8 \uc218 \uc788\uc9c0\ub9cc, \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc6b0\uc120\uc21c\uc704\ub294 \ub2e4\ub985\ub2c8\ub2e4: \uc8fc \ubcc0\uc555\uae30\ub294 \uc2e0\ub8b0\uc131\uacfc \uc9c0\uc18d\uc801\uc778 \ubd80\ud558\ub97c \ucd5c\uc801\ud654\ud558\uace0, \uc720\ub2db \ubcc0\uc555\uae30\ub294 \ube44\uc6a9\uacfc \uc720\uc5f0\uc131\uc744 \ucd5c\uc801\ud654\ud569\ub2c8\ub2e4.<\/p>\n<h2 id=\"specs\">\uc0b0\uc5c5\uc6a9 \uc8fc \ubcc0\uc555\uae30\uc5d0 \ub300\ud55c \uc8fc\uc694 \uc0ac\uc591<\/h2>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"6\">\n<caption>\uc77c\ubc18 \uc0ac\uc591 \u2014 20 MVA \uc8fc \ubcc0\uc555\uae30<\/caption>\n<tbody>\n<tr>\n<th>\ub9e4\uac1c\ubcc0\uc218<\/th>\n<th>\uc77c\ubc18 \uac12<\/th>\n<\/tr>\n<tr>\n<td>\uc815\uaca9 \uc804\ub825<\/td>\n<td>20 MVA<\/td>\n<\/tr>\n<tr>\n<td>\uc804\uc555 \ube44\uc728<\/td>\n<td>110 \/ 20 kV<\/td>\n<\/tr>\n<tr>\n<td>\ubca1\ud130 \uadf8\ub8f9<\/td>\n<td>YNd11<\/td>\n<\/tr>\n<tr>\n<td>\uc784\ud53c\ub358\uc2a4 \uc804\uc555<\/td>\n<td>10%<\/td>\n<\/tr>\n<tr>\n<td>\ud0ed \uccb4\uc778\uc800<\/td>\n<td>OLTC \u00b112% 13\ub2e8\uacc4, \ub610\ub294 \uc624\ud504 \ud68c\ub85c \u00b15%<\/td>\n<\/tr>\n<tr>\n<td>\ub0c9\uac01<\/td>\n<td>ONAN\/ONAF (20\/28 MVA)<\/td>\n<\/tr>\n<tr>\n<td>\ubb34\ubd80\ud558 \uc190\uc2e4<\/td>\n<td>\u224814 kW<\/td>\n<\/tr>\n<tr>\n<td>\ubd80\ud558 \uc190\uc2e4<\/td>\n<td>\u224898 kW<\/td>\n<\/tr>\n<tr>\n<td>\uc808\uc5f0 \uc218\uc900<\/td>\n<td>550 kV BIL (110 kV \uce21)<\/td>\n<\/tr>\n<tr>\n<td>\ud45c\uc900<\/td>\n<td>IEC 60076-1\/-5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\uc774 \uc22b\uc790\ub294 \uad6c\ub9e4\uc790\uc640 \uc81c\uc870\uc790 \uac04\uc758 \uacc4\uc57d\uc785\ub2c8\ub2e4. \uc5b4\ub5a4 \ud3b8\ucc28 \u2014 \ub354 \ub192\uc740 \uc190\uc2e4, \ub2e4\ub978 \uc784\ud53c\ub358\uc2a4, \uc57d\ud55c \ud0ed \ubc94\uc704 \u2014 \ub294 \uac00\uaca9\uacfc \uc131\ub2a5\uc744 \ubcc0\uacbd\ud558\ubbc0\ub85c \uc0dd\uc0b0 \uc804\uc5d0 \uc7a0\uae08\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10697\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/08\/How-to-Size-Specify-a-Main-Transformer.webp\" alt=\"\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2 id=\"efficiency\">\ud6a8\uc728\uc131, \uc190\uc2e4 \ubc0f \ucd1d \uc18c\uc720 \ube44\uc6a9<\/h2>\n<p>\ub300\ubd80\ubd84\uc758 \uc0b0\uc5c5\uc6a9 \uc8fc \ubcc0\uc555\uae30\ub294 99.0%\uc5d0\uc11c 99.6% \uc0ac\uc774\uc758 \ud6a8\uc728\uc131 \uc218\uc900\uc73c\ub85c \uc791\ub3d9\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, 20 MVA \ubcc0\uc555\uae30\uc758 \ud6a8\uc728\uc131\uc774 99.4%\uc77c \uacbd\uc6b0, \uc804\uccb4 \ubd80\ud558 \uc791\ub3d9 \uc2dc \uc5f4 \uc190\uc2e4\uc740 \uc57d 120 kW\uc5d0 \ud574\ub2f9\ud558\uba70, \uc774\ub294 1\ub144 \uc6b4\uc601 \uc2dc \uc57d 1,000 MWh\uc758 \ucd1d \uc18c\ube44\ub7c9\uc5d0 \ud574\ub2f9\ud569\ub2c8\ub2e4. \uc774\ub294 \ud3c9\uade0 \uc694\uae08 $0.08\u20130.15\/kWh\uc5d0\uc11c \uc5f0\uac04 $80,000\u2013150,000\uc758 \ube44\uc6a9\uc5d0 \ud574\ub2f9\ud558\uba70, \ub300\uae30 \uc2dc\uac04 \ub3d9\uc548 \ubc1c\uc0dd\ud558\ub294 \uc190\uc2e4\uc740 \ud3ec\ud568\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ud6a8\uacfc\uc801\uc778 \ube44\uc6a9 \ud3c9\uac00\ub294 20\u201330\ub144 \ub3d9\uc548 \uc218\ud589\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc800\uc190\uc2e4 \ubaa8\ub378\uc758 \uc81c\uc791\uc5d0\ub294 \uc57d 5%\u201310%\uc758 \ucd94\uac00 \ube44\uc6a9\uc774 \ubc1c\uc0dd\ud558\uc9c0\ub9cc, \uc7a5\uae30\uc801\uc73c\ub85c \uc6b4\uc601 \ube44\uc6a9\uc744 \uc808\uac10\ud569\ub2c8\ub2e4. 20 MVA \ubcc0\uc555\uae30 \uc720\ub2db\uc758 \uc190\uc2e4\uc744 5 kW \uc904\uc774\uba74 \uc5f0\uac04 \uc57d 44 MWh\uc758 \uc808\uc57d\uc774 \ubc1c\uc0dd\ud558\uba70, \uc774\ub294 \uc5f0\uac04 \uc57d $4,400\u20136,600\uc758 \uc808\uc57d\uc744 \uc758\ubbf8\ud558\uba70, \uc815\uc0c1 \uc0b0\uc5c5 \uac00\uaca9 \uc194\ub8e8\uc158\uc5d0\uc11c 20\ub144 \ub3d9\uc548 $90,000\u2013130,000\uc758 \uc808\uc57d\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<h2 id=\"protection\">\ubcf4\ud638 \ubc0f \uc548\uc804 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1<\/h2>\n<p>\ub2e4\uce35 \ubcf4\ud638\uc758 \uac00\uc7a5 \uc911\uc694\ud55c \uc811\uadfc \ubc29\uc2dd\uc740 \ud574\ub2f9 \uc704\uce58\uc5d0\uc11c \uac00\uc7a5 \ub192\uc740 \uac00\uce58\ub97c \uc9c0\ub2cc \ubcc0\uc555\uae30\uc5d0 \ub300\ud55c \uac83\uc785\ub2c8\ub2e4.<br \/>\n\ub2e4\uc591\ud55c \ubcf4\ud638 \uc2a4\ud0a4\ub9c8\ub85c \uc2dc\uc791\ud569\ub2c8\ub2e4:<br \/>\n\ucc28\ub3d9 \ubcf4\ud638(87T)\ub294 \ubcc0\uc555\uae30\uc758 1\ucc28 \uce21 \uc804\ub958\uc640 2\ucc28 \uce21 \uc804\ub958(\ube44\uc728 \ubc0f \ubca1\ud130 \uadf8\ub8f9\uc5d0 \ub300\ud574 \ubcf4\uc815\ub428)\ub97c \ube44\uad50\ud558\uc5ec \ub0b4\ubd80 \uacb0\ud568\uc744 \uc2e0\uc18d\ud558\uac8c \uac10\uc9c0\ud569\ub2c8\ub2e4.<br \/>\n\uacfc\uc804\ub958 \ubcf4\ud638(50\/51)\ub294 \uc704\uc0c1 \ubc0f \uc811\uc9c0 \uacb0\ud568 \ubc31\uc5c5\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<br \/>\n\uc81c\ud55c \uc811\uc9c0 \uacb0\ud568(REF, 64)\uc740 \uad8c\uc120\uc5d0\uc11c \uc811\uc9c0 \uacb0\ud568\uc744 \uac10\uc9c0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc744 \uc90d\ub2c8\ub2e4.<br \/>\n\ubd80\ud750\ud640\uce20 \ub9b4\ub808\uc774\ub294 \uac00\uc2a4 \ud615\uc131\uc73c\ub85c \uc778\ud574 \ucd08\uae30 \ub2e8\uacc4\uc5d0\uc11c \uace0\uc7a5\uc744 \uac10\uc9c0\ud558\uba70, \uc11c\uc9c0 \ubc0f \ud30c\ud615 \uc784\ud384\uc2a4 \uc54c\ub78c\uc744 \uc0dd\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<br \/>\n\uc628\ub3c4 \uc54c\ub78c\uc740 \ubcc0\uc555\uae30\uac00 IEC 60076-2\uc5d0\uc11c \uc124\uc815\ud55c \uae30\uc900\uc5d0 \ub530\ub77c \uc628\ub3c4 \ud55c\uacc4\uc5d0 \ub3c4\ub2ec\ud588\uc74c\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<br \/>\n\uc555\ub825 \ud574\uc81c, OLTC \ubcf4\ud638 \ubc0f \uc11c\uc9c0 \uc5b5\uc81c\uae30\ub294 \ubcc0\uc555\uae30\ub97c \uae30\uacc4\uc801 \ud798\uacfc \ubc88\uac1c\ub85c\ubd80\ud130 \ubcf4\ud638\ud569\ub2c8\ub2e4.<br \/>\n\uc2dc\uc6b4\uc804 \ubc0f \uc720\uc9c0\ubcf4\uc218 \uacbd\ud5d8\uc740 IEEE C57.140(\uc720\uc9c0\ubcf4\uc218 \uac00\uc774\ub4dc) \ubc0f IEC 60076-7(\ubd80\ud558 \uac00\uc774\ub4dc)\uc5d0\uc11c \uc124\uc815\ud55c \uae30\uc900\uc744 \ub530\ub985\ub2c8\ub2e4.<\/p>\n<h2 id=\"applications\">\ud604\ub300 \uc0b0\uc5c5 \uc804\ubc18\uc5d0 \uac78\uce5c \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8<\/h2>\n<p>\ucca0\uac15 \ubc0f \uae08\uc18d \uac00\uacf5 \u2014 30-120 MVA \ubc94\uc704\uc758 \ubd80\ud558\ub97c \ucc98\ub9ac\ud558\ub294 \uc8fc \ubcc0\uc555\uae30 + \uc6a9\uad11\ub85c \ubcc0\uc555\uae30, \ub9e4\uc6b0 \ud798\ub4e0 \uc791\uc5c5 \uc8fc\uae30\uc5d0\uc11c \uc791\ub3d9\ud569\ub2c8\ub2e4.<br \/>\n\ucef4\ud4e8\ud130 \uc13c\ud130 \u2014 \ubcf4\uc7a5\ub41c \uc911\ubcf5\uc131\uc744 \uac16\ucd98 \uc30d \uc8fc \ubcc0\uc555\uae30, \uc885\uc885 110\/20 kV \uc804\uc555 \uc218\uc900\uc5d0\uc11c 2\u00d710-2\u00d730 MVA \ubc94\uc704\uc785\ub2c8\ub2e4.<br \/>\n\uc81c\uc57d \ubc0f \ubc18\ub3c4\uccb4 \u2014 \ubd88\ub9ac\ud55c \ubd80\ud558\uc5d0 \uc5f0\uacb0\ub418\uace0 \uc2e4\ub0b4 \uc124\uce58\ub97c \uc704\ud55c \uac74\uc2dd \uc635\uc158 \uc120\ud0dd \uc678\uc5d0\ub3c4 \uace0\ud488\uc9c8 \uc804\uc555\uc744 \uc694\uad6c\ud569\ub2c8\ub2e4.<br \/>\n\uad11\uc5c5 \u2014 \ud2b9\uc815 \uc124\uacc4\uac00 \ud544\uc694\ud55c \uc678\ub534 \uc9c0\uc5ed, \uc5b4\ub824\uc6b4 \ud658\uacbd \uc694\uc778, \ub192\uc740 \uc8fc\ubcc0 \uc628\ub3c4, \ub098\uc05c \uc811\uadfc \uc870\uac74\uc5d0 \ub300\uc751\ud569\ub2c8\ub2e4.<br \/>\n\ud654\ud559 \ubc0f \uc815\uc81c \u2014 \uc5f0\uc18d \ubd80\ud558 \uae30\uc220\uc740 \uc77c\ubc18\uc801\uc73c\ub85c N + 1 \uae30\uc900\uc73c\ub85c \uc791\ub3d9\ud558\uba70 \uc0c1\ub2f9\ud55c \ucd08\uacfc \ubd80\ud558 \uc6a9\ub7c9\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<br \/>\n\uc0c1\uc5c5 \uac74\ubb3c \ubc0f \ubcd1\uc6d0 \u2014 \uc5c4\uaca9\ud55c \uc911\ubcf5 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub530\ub77c 5-20 MVA\uc785\ub2c8\ub2e4.<\/p>\n<p>\uac01 \uc0c1\ud669\uc5d0\uc11c \uad6c\ub9e4\uc758 \ub17c\ub9ac\ub294 \uc720\uc0ac\ud560 \uac83\uc785\ub2c8\ub2e4: \ubd80\ud558\uc758 \ud2b9\uc131\uacfc \ud06c\uae30\ub97c \uc77c\uce58\uc2dc\ud0a4\uace0, \ud22c\uc790\ub85c \uc190\uc2e4\uc744 \ucd5c\uc801\ud654\ud558\uba70, \ub2e4\uc6b4\ud0c0\uc784\uc774 \uc190\uc2e4\uc744 \uc758\ubbf8\ud558\ub294 \uacf3\uc5d0 \uc911\ubcf5\uc131\uc744 \ucd94\uac00\ud558\uace0, \ub9b4\ub808\uc774 \uc5f0\uacb0\ub85c \ubcf4\ud638\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4.<\/p>\n<h2 id=\"prices\">\ud604\uc2e4\uc801\uc778 \uac00\uaca9 &amp; \ucd5c\uace0\uc758 \ube0c\ub79c\ub4dc<\/h2>\n<p>\uc8fc\uc694 \ubcc0\uc555\uae30 \uac00\uaca9\uc740 \uc815\uaca9, \uc804\uc555, \uc190\uc2e4, \ud0ed \uccb4\uc778\uc800 \ubc0f \ube0c\ub79c\ub4dc\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc624\uc77c \uce68\uc9c0\ud615 \uc7a5\uce58\uc5d0 \ub300\ud55c \uacc4\ud68d \uc218\uc900 \ubc94\uc704:<\/p>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"6\">\n<caption>\uc815\uaca9 \ubc0f \ube0c\ub79c\ub4dc\ubcc4 \uc8fc\uc694 \ubcc0\uc555\uae30 \uac00\uaca9<\/caption>\n<tbody>\n<tr>\n<th>\uc815\uaca9 \/ \uc804\uc555<\/th>\n<th>\uc911\uad6d \uacf5\uc7a5 (\uc608: \uc218\ube44\uc548, TBEA)<\/th>\n<th>\uc720\ub7fd\/\ubbf8\uad6d \ube0c\ub79c\ub4dc<\/th>\n<\/tr>\n<tr>\n<td>5 MVA \/ 11 kV<\/td>\n<td>$35,000\u2013$70,000<\/td>\n<td>$70,000\u2013$130,000<\/td>\n<\/tr>\n<tr>\n<td>5 MVA \/ 33 kV<\/td>\n<td>$55,000\u2013$90,000<\/td>\n<td>$120,000\u2013$200,000<\/td>\n<\/tr>\n<tr>\n<td>20 MVA \/ 110 kV<\/td>\n<td>$160,000\u2013$300,000<\/td>\n<td>$430,000\u2013$700,000<\/td>\n<\/tr>\n<tr>\n<td>40 MVA \/ 110 kV<\/td>\n<td>$300,000\u2013$550,000<\/td>\n<td>$800,000\u2013$1,300,000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\uac00\uaca9\uc740 \uc0ac\uc591, \uc190\uc2e4 \uc218\uc900 \ubc0f \uc9c0\uc5ed\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4. \uad6d\uc81c \ube0c\ub79c\ub4dc \ud504\ub9ac\ubbf8\uc5c4 \uc5c6\uc774 \ubd80\ud558 \ud504\ub85c\ud544\uc5d0 \ub9de\uac8c \uc124\uacc4\ub41c \uc8fc\uc694 \ubcc0\uc555\uae30\uac00 \ud544\uc694\ud55c \uc0b0\uc5c5 \uad6c\ub9e4\uc790\ub97c \uc704\ud574, <strong>\uc7a5\uc464 \uc218\ube44\uc548 \uc804\ub825<\/strong> \ub294 \uac15\ub825\ud55c \uc635\uc158\uc785\ub2c8\ub2e4: 50 kVA\uc5d0\uc11c 220 kV \ud074\ub798\uc2a4\uae4c\uc9c0 \ubc30\uae09 \ubc0f \uc804\ub825 \ubcc0\uc555\uae30\ub97c \uc0dd\uc0b0\ud558\ub294 \uc911\uad6d \ubcc0\uc555\uae30 \uc81c\uc870\uc5c5\uccb4\ub85c, \ub9de\ucda4 \uc784\ud53c\ub358\uc2a4, \ud0ed \ubc94\uc704 \ubc0f \ub0c9\uac01 \uad6c\uc131\uc744 \uac16\ucd98 2.5\u201360 MVA \uc0b0\uc5c5 \uc8fc\uc694 \ubcc0\uc555\uae30\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4. \uc7a5\uce58\ub294 IEC 60076 \uc720\ud615 \uc2dc\ud5d8 \ubcf4\uace0\uc11c \ubc0f \uc804\uccb4 \uacf5\uc7a5 \uc2dc\ud5d8 \ubb38\uc11c\uc640 \ud568\uaed8 \ubc30\uc1a1\ub418\uba70, \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \ubcf4\ud638 \uc778\ud130\ud398\uc774\uc2a4 \uc124\uacc4 \ubc0f \ud604\uc7a5 \uc2dc\uc6b4\uc804\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4. \uacf5\uc7a5 \uc9c1\uc1a1 \uac00\uaca9\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc720\ub7fd \ub3d9\uae09 \uc81c\ud488\ubcf4\ub2e4 30%\u201350% \uc800\ub834\ud558\uba70, \ubcf5\uc7a1\ud55c \ud504\ub85c\uc81d\ud2b8\ub97c \uc704\ud55c OEM\/ODM \ub9de\ucda4\ud654\uac00 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10696\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/08\/The-Role-of-a-Main-Transformer-in-an-Industrial-Power-System.webp\" alt=\"\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2 id=\"faq\">\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n<h3>\uc8fc\uc694 \ubcc0\uc555\uae30\uc640 \uc720\ub2db \ubcc0\uc555\uae30\uc758 \ucc28\uc774\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3>\n<p>\uc8fc\uc694 \ubcc0\uc555\uae30\ub294 \uc2dc\uc124\uc744 11\u2013220 kV\uc758 \uc720\ud2f8\ub9ac\ud2f0 \uadf8\ub9ac\ub4dc\uc5d0 \uc5f0\uacb0\ud558\uace0 \uc804\uccb4 \uacf5\uc7a5\uc758 MV \ubc30\uae09\uc744 6.6\u201335 kV\ub85c \uacf5\uae09\ud569\ub2c8\ub2e4. \uc720\ub2db \ubcc0\uc555\uae30\ub294 \ub354 \uc791\uc73c\uba70(\ubcf4\ud1b5 100 kVA\u20133 MVA) \uacf5\uc7a5\uc758 MV \ubc84\uc2a4\ub97c 400\/230 V\ub85c \ub0ae\ucdb0 \uac74\ubb3c, \uc870\uba85 \ubc0f \uc18c\ud615 \ubd80\ud558\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ub300\ud615 \uc0ac\uc774\ud2b8\uc5d0\ub294 \ud558\ub098 \ub610\ub294 \ub450 \uac1c\uc758 \uc8fc\uc694 \ubcc0\uc555\uae30\uc640 \uc218\uc2ed \uac1c\uc758 \uc720\ub2db \ubcc0\uc555\uae30\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\uacf5\uc7a5\uc5d0 \ub9de\ub294 \uc8fc\uc694 \ubcc0\uc555\uae30\ub97c \uc5b4\ub5bb\uac8c \ud06c\uae30 \uc870\uc815\ud558\ub098\uc694?<\/h3>\n<p>\uc5f0\uacb0\ub41c \ubd80\ud558\ub97c \ud569\uc0b0\ud558\uace0, 0.6\u20130.85\uc758 \uc218\uc694 \uacc4\uc218\ub97c \uc801\uc6a9\ud558\uba70, \uc804\ub825 \uacc4\uc218\ub97c 0.9\u20130.95\ub85c \uc218\uc815\ud558\uace0, 15%\u201325%\uc758 \uc131\uc7a5 \uc5ec\uc720\ub97c \ucd94\uac00\ud55c \ud6c4, \uc815\uc0c1 \ud53c\ud06c \ubd80\ud558\uac00 60%\u201380%\uc758 \uc815\uaca9\uc5d0 \uc704\uce58\ud558\ub3c4\ub85d \uac00\uc7a5 \uac00\uae4c\uc6b4 \ud45c\uc900 \uc815\uaca9\uc744 \uc120\ud0dd\ud569\ub2c8\ub2e4. \uc911\uc694\ud55c \uc2dc\uc124\uc758 \uacbd\uc6b0, \uac01\uac01 \uc804\uccb4 \ubd80\ud558\ub97c \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 N+1 \uc30d \uc720\ub2db\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. 6 MW\uc758 \ucd5c\ub300 \uc218\uc694\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 8\u201310 MVA \ubcc0\uc555\uae30\ub85c \uc774\uc5b4\uc9d1\ub2c8\ub2e4.<\/p>\n<h3>\uc0b0\uc5c5 \uc8fc\uc694 \ubcc0\uc555\uae30\uac00 \ub2ec\uc131\ud574\uc57c \ud558\ub294 \ud6a8\uc728\uc131\uc740 \uc5bc\ub9c8\uc778\uac00\uc694?<\/h3>\n<p>\uc804\uccb4 \ubd80\ud558\uc5d0\uc11c 99.0%\u201399.6%\ub97c \uae30\ub300\ud558\uba70, \ubb34\ubd80\ud558 \uc190\uc2e4\uc740 \uc815\uaca9\uc758 \uc57d 0.05%\u20130.1%, \ubd80\ud558 \uc190\uc2e4\uc740 0.4%\u20130.7%\uc785\ub2c8\ub2e4. 20 MVA \uc720\ub2db\uc740 14 kW\uc758 \ubb34\ubd80\ud558 \uc190\uc2e4\uacfc 98 kW\uc758 \ubd80\ud558 \uc190\uc2e4\uc744 \ubcf4\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubcf4\uc7a5\ub41c \uc190\uc2e4 \uac12\uc744 \uc694\uccad\ud558\uace0, \uc785\ucc30 \uac04\uc758 \uc790\ubcf8\ud654\ub41c \uc190\uc2e4 \ube44\uad50\ub97c 20\u201330\ub144 \ub3d9\uc548 \uc218\ud589\ud55c \ud6c4 \uc120\ud0dd\ud558\uc138\uc694 \u2014 \uc190\uc2e4 \ucc28\uc774\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uac00\uaca9 \ucc28\uc774\ub97c \ucd08\uacfc\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uacf5\uc7a5\uc744 \uc704\ud55c \uc8fc\uc694 \ubcc0\uc555\uae30 \ube44\uc6a9\uc740 \uc5bc\ub9c8\uc778\uac00\uc694?<\/h3>\n<p>5\u20135 MVA \/ 11\u201333 kV \uc720\ub2db\uc5d0 \ub300\ud574 $35,000\u2013$90,000\uc744 \uc608\uc0b0\uc73c\ub85c \uc7a1\uace0, 20 MVA \/ 110 kV\uc5d0 \ub300\ud574 \uc911\uad6d \uacf5\uc7a5\uc5d0\uc11c $160,000\u2013$300,000(\ub610\ub294 \uc720\ub7fd \ube0c\ub79c\ub4dc\uc5d0\uc11c $430,000\u2013$700,000)\uc744 \uc608\uc0b0\uc73c\ub85c \uc7a1\uc73c\uba70, \ud504\ub9ac\ubbf8\uc5c4 \ube0c\ub79c\ub4dc\uc5d0\uc11c 40 MVA \ud074\ub798\uc2a4\uc5d0 \ub300\ud574 \ucd5c\ub300 $1.3 \ubc31\ub9cc\uc744 \uc608\uc0b0\uc73c\ub85c \uc7a1\uc2b5\ub2c8\ub2e4. \ubcf4\ud638, \uc124\uce58, \ud14c\uc2a4\ud2b8 \ubc0f \ud1a0\ubaa9 \uacf5\uc0ac\uc5d0 \ub300\ud574 20%\u201340%\ub97c \ucd94\uac00\ud558\uc138\uc694.<\/p>\n<h3>\uc81c \uc8fc\uc694 \ubcc0\uc555\uae30\uc5d0 \ubd80\ud558 \ud0ed \uccb4\uc778\uc800\uac00 \uc788\uc5b4\uc57c \ud558\ub098\uc694?<\/h3>\n<p>\uc804\ub825 \ud68c\uc0ac\uc758 \uc804\uc555\uc774 \u00b15% \uc774\uc0c1 \ubcc0\ub3d9\ud558\uac70\ub098 \ubd80\ud558\ub85c \uc778\ud574 \uc758\ubbf8 \uc788\ub294 \uc804\uc555 \uc2a4\uc719\uc774 \ubc1c\uc0dd\ud558\ub294 \uacbd\uc6b0, \uc608 \u2014 OLTC\ub294 \u00b112%\uc5d0\uc11c \u00b116% \ubc94\uc704 \ub0b4\uc5d0\uc11c \uc790\ub3d9\uc73c\ub85c \uacf5\uc7a5 MV\ub97c \u00b12%\ub85c \uc720\uc9c0\ud569\ub2c8\ub2e4. \uacf5\uae09\uc774 \uc548\uc815\uc801\uc774\uace0 \ubd80\ud558\uac00 \uc77c\uc815\ud558\ub2e4\uba74, \u00b15%\uc5d0\uc11c \uc624\ud504 \ud68c\ub85c \ud0ed \uccb4\uc778\uc800\uac00 \ub354 \uc800\ub834\ud558\uace0 \uc801\ud569\ud569\ub2c8\ub2e4. OLTC\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc815\uaca9\uc5d0 \ub530\ub77c $15,000\u2013$60,000\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/p>\n<h2 id=\"references\">\ucc38\uace0 \ubb38\ud5cc<\/h2>\n<ul>\n<li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/639\" rel=\"nofollow noopener\" target=\"_blank\">IEC 60076-1: \uc804\ub825 \ubcc0\uc555\uae30 \u2014 \uc77c\ubc18<\/a> \u2014 \uc8fc\uc694 \ubcc0\uc555\uae30\uc5d0 \ub300\ud55c \uc815\uaca9, \ud5c8\uc6a9 \uc624\ucc28 \ubc0f \ud14c\uc2a4\ud2b8.<\/li>\n<li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/645\" rel=\"nofollow noopener\" target=\"_blank\">IEC 60076-5: \ub2e8\ub77d \ub0b4\uc131<\/a> \u2014 \uc0b0\uc5c5\uc6a9 \uc758\ubb34\uc5d0 \ud544\uc218\uc801\uc778 \ub2e8\ub77d \ub0b4\uc131 \uc694\uad6c \uc0ac\ud56d.<\/li>\n<li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/641\" rel=\"nofollow noopener\" target=\"_blank\">IEC 60076-7: \uc624\uc77c \uce68\uc9c0 \uc804\ub825 \ubcc0\uc555\uae30\ub97c \uc704\ud55c \ud558\uc911 \uac00\uc774\ub4dc<\/a> \u2014 \uacfc\ubd80\ud558 \ub2a5\ub825 \ubc0f \uc5f4 \ub178\ud654 \uc548\ub0b4.<\/li>\n<li><a href=\"https:\/\/ieeexplore.ieee.org\/document\/5307241\" rel=\"nofollow noopener\" target=\"_blank\">IEEE C57.12.00: \uc561\uccb4 \uce68\uc9c0 \ubcc0\uc555\uae30\uc5d0 \ub300\ud55c \uc77c\ubc18 \uc694\uad6c \uc0ac\ud56d<\/a> \u2014 \ubd81\ubbf8 \ub3d9\ubc18 \ud45c\uc900.<\/li>\n<li><a href=\"https:\/\/ieeexplore.ieee.org\/document\/6227470\" rel=\"nofollow noopener\" target=\"_blank\">IEEE C57.140: \ubcc0\uc555\uae30 \uc720\uc9c0\ubcf4\uc218 \uac00\uc774\ub4dc<\/a> \u2014 \uc0b0\uc5c5\uc6a9 \uc7a5\uce58\uc5d0 \ub300\ud55c \uc720\uc9c0\ubcf4\uc218 \ubc0f \uc0c1\ud0dc \ud3c9\uac00 \ucc38\uc870.<\/li>\n<li><a href=\"https:\/\/www.hitachienergy.com\/products-and-solutions\/transformers\" rel=\"nofollow noopener\" target=\"_blank\">\ud788\ud0c0\uce58 \uc5d0\ub108\uc9c0 \ubcc0\uc555\uae30<\/a> \u2014 \ub300\ud615 \ubcc0\uc555\uae30 \uae30\uc220\uc5d0 \ub300\ud55c \uc0b0\uc5c5 \ucc38\uc870.<\/li>\n<\/ul>\n<h2 id=\"conclusion\">\uacb0\ub860<\/h2>\n<ul>\n<li>\uc8fc\uc694 \ubcc0\uc555\uae30\ub294 \ud604\ub300 \uc0b0\uc5c5\uc758 \uc804\uae30 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc911\uc694\ud55c \uad6c\uc131 \uc694\uc18c\ub85c, \uae30\uc5c5\uc758 \uc5d0\ub108\uc9c0 \uad6c\uc870\uc758 \uae30\ucd08\ub97c \ud615\uc131\ud569\ub2c8\ub2e4. \ud06c\uae30, \uc190\uc2e4 \ucd5c\uc801\ud654, \ubcf4\ud638 \uc720\ud615 \ubc0f \uc911\ubcf5\uc131\uc758 \ub9e4\uac1c\ubcc0\uc218\uac00 \ud5a5\ud6c4 \uc218\ub144\uac04 \ud604\uc7a5\uc758 \uc131\ub2a5\uacfc \ube44\uc6a9\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4.\n<p>\ud06c\uae30\ub294 \uc815\uc0c1 \ucd5c\ub300 \ubd80\ud558\uac00 \uc815\uaca9 \uc6a9\ub7c9\uc758 60%\u201380%\uac00 \ub418\ub3c4\ub85d \uc120\ud0dd\ud574\uc57c \ud558\uba70, \uc131\uc7a5 \uc5ec\uc720\ub294 15%\u201325%\uc774\uc5b4\uc57c \ud569\ub2c8\ub2e4.<br \/>\n\uc190\uc2e4\uc740 20\u201330\ub144 \uc790\ubcf8\ud654 \uc190\uc2e4 \ubaa8\ub378\uc744 \uc0ac\uc6a9\ud558\uc5ec \ucd5c\uc801\ud654\ud574\uc57c \ud569\ub2c8\ub2e4.<br \/>\n\ubcf4\ud638\ub294 \ucc28\ub3d9 \ubcf4\ud638, REF, \ubd80\ud750\ud640\uce20 \ub9b4\ub808\uc774 \ubc0f \uc628\ub3c4 \uc81c\uc5b4\ub97c \ud1b5\ud574 \uc81c\uacf5\ub418\uc5b4\uc57c \ud558\uba70, \uc720\uc9c0\ubcf4\uc218\ub294 DGA\ub97c \ub530\ub77c\uc57c \ud569\ub2c8\ub2e4.<br \/>\n\uc774\ub7ec\ud55c \ubcc0\uc555\uae30\uc758 \uc608\uc0b0\uc740 2.5\u20135 MVA\uc758 \uacbd\uc6b0 $35k\uc5d0\uc11c $90k, 20 MVA\/110 kV\uc758 \uacbd\uc6b0 $160k\uc5d0\uc11c $300k(\uacf5\uc7a5 \uc9c1\uc1a1) \ubc94\uc704\uc5ec\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc0c8\ub85c\uc6b4 \uacf5\uc7a5\uc744 \uacc4\ud68d\ud558\uac70\ub098 \uae30\uc874 \ubcc0\uc804\uc18c\ub97c \uc5c5\uadf8\ub808\uc774\ub4dc\ud558\ub824\ub294 \uacbd\uc6b0, <a href=\"https:\/\/subian-electric.com\/ko\/\">\uc7a5\uc464 \uc218\ube44\uc548 \uc804\ub825<\/a> 5 MVA\uc5d0\uc11c 60 MVA\uae4c\uc9c0\uc758 \uc8fc\uc694 \ubcc0\uc555\uae30\ub97c IEC 60076 \uc778\uc99d, \ub9de\ucda4\ud615 \ud0ed \ubc0f \ub0c9\uac01 \uad6c\uc131, \uc608\uc0b0\uc5d0 \ub9de\ub294 \uacf5\uc7a5 \uc9c1\uc1a1 \uac00\uaca9\uc73c\ub85c \uc124\uacc4\ud558\uace0 \uacf5\uae09\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>At a steel mill, an arc furnace transformer is positioned only a few meters from white-hot steel with a secondary current of 40,000 A. In a semiconductor factory, the main transformer steps down 110 kV down to 20 kV for a facility that cannot tolerate a second of unplanned downtime. Main transformers, indeed, are the [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":10695,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[77],"tags":[],"class_list":["post-10694","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/subian-electric.com\/ko\/wp-json\/wp\/v2\/posts\/10694","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/subian-electric.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/subian-electric.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/subian-electric.com\/ko\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/subian-electric.com\/ko\/wp-json\/wp\/v2\/comments?post=10694"}],"version-history":[{"count":3,"href":"https:\/\/subian-electric.com\/ko\/wp-json\/wp\/v2\/posts\/10694\/revisions"}],"predecessor-version":[{"id":11108,"href":"https:\/\/subian-electric.com\/ko\/wp-json\/wp\/v2\/posts\/10694\/revisions\/11108"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/subian-electric.com\/ko\/wp-json\/wp\/v2\/media\/10695"}],"wp:attachment":[{"href":"https:\/\/subian-electric.com\/ko\/wp-json\/wp\/v2\/media?parent=10694"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/subian-electric.com\/ko\/wp-json\/wp\/v2\/categories?post=10694"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/subian-electric.com\/ko\/wp-json\/wp\/v2\/tags?post=10694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}