{"id":11533,"date":"2026-09-13T09:17:30","date_gmt":"2026-09-13T01:17:30","guid":{"rendered":"https:\/\/subian-electric.com\/?p=11533"},"modified":"2026-09-13T09:19:38","modified_gmt":"2026-09-13T01:19:38","slug":"current-transformer-connection","status":"publish","type":"post","link":"https:\/\/subian-electric.com\/ko\/blog\/current-transformer-connection\/","title":{"rendered":"\uc804\ub958 \ubcc0\uc555\uae30 \uc5f0\uacb0: \ubc30\uc120 \ub3c4\uba74"},"content":{"rendered":"<p>\uc804\ub958 \ubcc0\ud658\uae30(CT)\ub294 \uc9c1\uc811 \uce21\uc815\ud560 \uc218 \uc5c6\ub294 \ub300\ub7c9\uc758 \uc804\ub958\/\uc218\uc900\uc744 \uce21\uc815\ud558\uae30 \uc704\ud574 \uacc4\uce21\/\ubcf4\ud638 \uc2dc\uc2a4\ud15c\uacfc \ud568\uaed8 \uc0ac\uc6a9\ub418\ub294 \uc7a5\uce58\uc785\ub2c8\ub2e4; 400, 1000 \ubc0f 3000 A\uc758 \uc804\ub958\ub97c 5 \ub610\ub294 1 A\uc758 \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uac12\uc73c\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4. \uc774 \ubcc0\ud654\ub294 CT \uc7a5\uce58\uac00 \ub530\ub77c\uc57c \ud560 \ud2b9\uc815 \uc870\uac74 \ud558\uc5d0\uc11c \ubc1c\uc0dd\ud569\ub2c8\ub2e4: \uadf9\uc131\uc774 \uc62c\ubc14\ub974\uac8c \uc124\uc815\ub418\uc5b4\uc57c \ud558\uba70, \ubd80\ud558\uac00 \uc815\ud655\ud574\uc57c \ud558\uace0, \uc804\ub958\uac00 \ud750\ub974\ub294 \ub3d9\uc548 2\ucc28 \ubc30\uc120\uc740 \uc808\uc5f0 \ud68c\ub85c\uc5d0 \ub178\ucd9c\ub418\uc5b4\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4. \ub9e4\ub274\uc5bc\uc5d0\ub294 CT\uc640 \uacc4\uce21, \ub9b4\ub808\uc774 \ubc0f \ubaa8\ub2c8\ud130\ub9c1 \uc7a5\uce58\uc758 \ubc30\uc120 \uc5f0\uacb0\uc5d0 \ub300\ud55c \uc0ac\uc591, \ubc30\uc120\uc744 \ub2e8\uacc4\ubcc4\ub85c \uc124\uc815\ud558\ub294 \ubc29\ubc95 \ubc0f \uc0bc\uc0c1 \ubaa8\ub378\uc758 \ubc30\uc120 \ubc29\ubc95\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<blockquote><p>\uc7a5\uce58\uc5d0 \uc5f0\uacb0\ub41c \uae30\ubcf8 \uc804\ub958 \ub610\ub294 \ub3c4\uccb4\uac00 \ubcc0\ud658\uae30 P1 \ubc0f P2\ub97c \ud1b5\uacfc\ud558\ub3c4\ub85d \ud5c8\uc6a9\ub418\ub294 \uacbd\uc6b0, P1 \ubc0f P2\uc758 2\ucc28 \ub2e8\uc790\uc5d0\uc11c \uae30\ub85d\ub41c \ud310\ub3c5\uac12\uc774 \uc798\ubabb\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 S1\uc774 \ubaa8\ub4e0 \uacbd\uc6b0\uc5d0 P1\uacfc \uc77c\uce58\ud558\uc9c0 \uc54a\uc744 \uc218 \uc788\uae30 \ub54c\ubb38\uc774\uba70, \uc774\ub85c \uc778\ud574 S1 S2 \uc5f0\uacb0\uc5d0\uc11c \uc804\ub958\uc758 \uc804\uc555 \ud310\ub3c5\uac12\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e8\uc77c \ubcc0\ud658\uae30\ub97c \uc0ac\uc6a9\ud560 \uacbd\uc6b0, \ubaa8\ub4e0 \uc0bc\uc0c1 \uc5f0\uacb0\uc5d0 \ub300\ud574 S1 \ubc0f S2 \uc5f0\uacb0\uc740 \uc0ac\uc6a9\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub2e8\uc77c CT\ub97c \uc0ac\uc6a9\ud560 \uacbd\uc6b0 S1\uacfc S2\uc758 \ub450 \uac1c\uc5d0 \ub300\ud574 \ud56d\uc0c1 \uc9c1\uc811 \uc5f0\uacb0\uc774 \uc774\ub8e8\uc5b4\uc9c0\ubbc0\ub85c \ub2e4\ub978 \uc5f0\uacb0 \ubc29\ubc95\uc740 \ud544\uc694\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc0bc\uc0c1 \ubc30\uc120\uc758 \uacbd\uc6b0, \ubcc0\ud658\uae30\ub294 \u201cY\u201d \ub610\ub294 \uc2a4\ud0c0 \uc5f0\uacb0 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc5f0\uacb0\ud574\uc57c \ud558\uba70, S1\uc740 \uc138 \uac1c\uc758 \uacc4\uce21 \uc785\ub825\uc5d0 \uc5f0\uacb0\ub418\uace0 S2 \uc5f0\uacb0\uc740 \uc704\uc758 \ub450 \ubc29\ubc95\uacfc \uad00\uacc4\uc5c6\uc774 \uacf5\ud1b5 \uc2a4\ud0c0 \uc9c0\uc810\uc5d0 \uc5f0\uacb0\ub429\ub2c8\ub2e4.<\/p><\/blockquote>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-11534\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/09\/Current-Transformer-Connection.webp\" alt=\"\uc804\ub958 \ubcc0\uc555\uae30 \uc5f0\uacb0\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2>\uc804\ub958 \ubcc0\ud658\uae30\uac00 \ud558\ub294 \uc77c\uacfc \uc5f0\uacb0\uc774 \uc911\uc694\ud55c \uc774\uc720<\/h2>\n<p>CT\ub294 \uae30\ubcf8 \uc804\ub958\ub97c \ubc1b\uc544 \ube44\ub840\ud558\ub294 2\ucc28 \uc804\ub958\ub97c \uc0dd\uc131\ud558\uba74\uc11c \uae30\ubcf8 \ud68c\ub85c\ub85c\ubd80\ud130 \uc808\uc5f0\uc744 \ubcf4\uc7a5\ud558\ub294 \ubc29\uc2dd\uc73c\ub85c\ub9cc \uc791\ub3d9\ud560 \uc218 \uc788\ub294 \ud2b9\uc218 \ubcc0\ud658\uae30\uc785\ub2c8\ub2e4. 400\/5 CT\ub294 \uae30\ubcf8 \uc804\ub958\uac00 400 \uc554\ud398\uc5b4\uc77c \ub54c 2\ucc28\uc5d0\uc11c 5 \uc554\ud398\uc5b4\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \ub610\ud55c, \ubc18\ubd80\ud558\uc5d0\uc11c 2.5 \uc554\ud398\uc5b4\ub97c \uc81c\uacf5\ud558\uba70, \uc5f0\uacb0\ub41c \ubbf8\ud130\uae30\ub098 \ub9b4\ub808\uc774\ub294 \uc774 \uc815\ubcf4\ub97c \ud574\uc11d\ud558\uc5ec \ub2e4\uc2dc \uae30\ubcf8\uc73c\ub85c \uc804\ub2ec\ud569\ub2c8\ub2e4.<\/p>\n<table>\n<tbody>\n<tr>\n<th>CT \uc720\ud615<\/th>\n<th>\uad6c\uc870<\/th>\n<th>\uc77c\ubc18\uc801\uc778 \uc0ac\uc6a9<\/th>\n<\/tr>\n<tr>\n<td>\ubc14-\uae30\ubcf8(\ucc3d) CT<\/td>\n<td>\uae30\ubcf8\uc740 \uace0\uc815 \ubc14 \ub610\ub294 \ubc84\uc2a4\ubc14\uac00 \ucc3d\uc744 \ud1b5\uacfc\ud569\ub2c8\ub2e4.<\/td>\n<td>\uc2a4\uc704\uce58\uae30\uc5b4, \ud328\ub110 \uacc4\ub7c9, \uae30\uc874 \ubc14 \uc8fc\ubcc0\uc758 \ub9ac\ud2b8\ub85c\ud54f<\/td>\n<\/tr>\n<tr>\n<td>\uad8c\uc120-\uae30\ubcf8 CT<\/td>\n<td>\uae30\ubcf8\uc740 \ub2e8\uc790(P1\/P2)\ub85c \uc5f0\uacb0\ub41c \uad8c\uc120\uc785\ub2c8\ub2e4.<\/td>\n<td>\uc800\ube44\uc728 \ubc0f \ud2b9\uc218 \ube44\uc728 \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8<\/td>\n<\/tr>\n<tr>\n<td>\ubd84\ud560 \ucf54\uc5b4 CT<\/td>\n<td>\ubd84\ub9ac \uc5c6\uc774 \uae30\uc874 \ub3c4\uccb4 \uc8fc\uc704\uc5d0 \ud074\ub7a8\ud504<\/td>\n<td>\ub9ac\ud2b8\ub85c\ud54f \uc5d0\ub108\uc9c0 \ubaa8\ub2c8\ud130\ub9c1, \uc11c\ube0c \ubbf8\ud130\ub9c1<\/td>\n<\/tr>\n<tr>\n<td>\ubd80\uc2f1 CT<\/td>\n<td>\ubcc0\uc555\uae30 \ub610\ub294 \ucc28\ub2e8\uae30 \ubd80\uc2f1\uc5d0 \ub0b4\uc7a5\ub428<\/td>\n<td>\ubcc0\uc555\uae30 \ubc0f \uc2a4\uc704\uce58\uae30\uc5b4 \ubcf4\ud638<\/td>\n<\/tr>\n<tr>\n<td>\ucf54\uc5b4-\ubc38\ub7f0\uc2a4(\uc81c\ub85c-\uc2dc\ud000\uc2a4) CT<\/td>\n<td>\ubaa8\ub4e0 \uc0c1 \ub3c4\uccb4\uac00 \ud558\ub098\uc758 \ucf54\uc5b4\ub97c \ud1b5\uacfc\ud569\ub2c8\ub2e4.<\/td>\n<td>\uc9c0\ub77d \uac10\uc9c0 \ubc0f \ubbfc\uac10\ud55c \ub204\uc124 \uce21\uc815<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>CT\uac00 \uc5b4\ub5bb\uac8c \uc5f0\uacb0\ub418\uc5b4\uc57c \ud558\ub294\uc9c0\ub97c \ubcf4\uc5ec\uc8fc\ub294 \ub450 \uac00\uc9c0 \uc911\uc694\ud55c \uc694\uc18c\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ubcf4\uc870 \uc804\ub958\uc758 \ube44\uc728\uc740 \ud2b9\uc815 \uae30\ubcf8 \uc804\ub958(\uc608: 400\/5 \ub610\ub294 1,000\/1)\uc5d0 \ub300\ud574 CT\uac00 \uc81c\uacf5\ud560 \uc804\ub958\uc758 \uc591\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. VA\ub85c \ud45c\uc2dc\ub41c \ubd80\ud558\ub294 CT\uc758 \uc131\ub2a5\uc5d0 \uc601\ud5a5\uc744 \uc8fc\uc9c0 \uc54a\uace0 CT\uc5d0 \ubd80\ucc29\ud574\uc57c \ud558\ub294 \ubd80\ud558(\uacc4\ub7c9 \ubc0f \ub9b4\ub808\uc774)\uc758 \uc591\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub530\ub77c\uc11c CT\uac00 \uc62c\ubc14\ub978 \ube44\uc728\uc5d0 \ub530\ub77c \uc791\ub3d9\ud558\ub354\ub77c\ub3c4 \ubd80\ud558\uac00 \uc798\ubabb \uc124\uc815\ub418\uba74 \uce21\uc815\uac12\uc774 \uc815\ud655\ud558\uc9c0 \uc54a\uc744 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<h2>\ub2e8\uc790 \ubc0f \uadf9\uc131: P1, P2, S1, S2<\/h2>\n<p>CT \ub2e8\uc790\ub294 \ubb38\uc790 \uc774\ud574\uac00 \uc774\ub8e8\uc5b4\uc9c0\uba74 \ubc30\uc120\uc774 \ud56d\uc0c1 \uba85\ud655\ud574\uc9c0\ub294 \uc815\ud574\uc9c4 \uaddc\uce59\uc744 \ub530\ub985\ub2c8\ub2e4:<\/p>\n<table>\n<tbody>\n<tr>\n<th>\ub2e8\uc790<\/th>\n<th>\uc758\ubbf8<\/th>\n<th>\uc5f0\uacb0 \uaddc\uce59<\/th>\n<\/tr>\n<tr>\n<td>P1<\/td>\n<td>\uae30\ubcf8, \uadf9\uc131\uc774 \ud45c\uc2dc\ub41c \ucabd<\/td>\n<td>\uc77c\ubc18\uc801\uc73c\ub85c \uc804\uc6d0(\ub3c4\uccb4\uc758 \uc785\ub825 \uce21)\uc744 \ud5a5\ud569\ub2c8\ub2e4<\/td>\n<\/tr>\n<tr>\n<td>P2<\/td>\n<td>\uae30\ubcf8, \ube44\ud45c\uc2dc\ub41c \ucabd<\/td>\n<td>\ubd80\ud558\ub97c \ud5a5\ud569\ub2c8\ub2e4<\/td>\n<\/tr>\n<tr>\n<td>S1<\/td>\n<td>\ubcf4\uc870, P1\uc5d0 \ud574\ub2f9<\/td>\n<td>S1\ub85c \ud45c\uc2dc\ub41c \uae30\uae30 \uc785\ub825\uc5d0 \uc5f0\uacb0\ub429\ub2c8\ub2e4(\ub610\ub294 \u201c\ub77c\uc778\u201d\/\uadf9\uc131 \uc785\ub825)<\/td>\n<\/tr>\n<tr>\n<td>S2<\/td>\n<td>\ubcf4\uc870, P2\uc5d0 \ud574\ub2f9<\/td>\n<td>S2\ub85c \ud45c\uc2dc\ub41c \uae30\uae30 \uc785\ub825\uc5d0 \uc5f0\uacb0\ub418\uac70\ub098 \uc0bc\uc0c1 \ud68c\ub85c\uc758 \uc2a4\ud0c0\/\uacf5\ud1b5 \uc9c0\uc810\uc5d0 \uc5f0\uacb0\ub429\ub2c8\ub2e4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\uadf9\uc131 \uaddc\uce59\uc740 \uc2dc\uc6b4\uc804 \uc2e4\ud328\uc758 \uc8fc\uc694 \uc6d0\uc778\uc785\ub2c8\ub2e4. S1\uc740 \ud56d\uc0c1 \uae30\uae30\uc758 S1 \uc785\ub825\uacfc \uc77c\uce58\ud574\uc57c \ud558\uace0, P1\uc740 \uc804\uc6d0\uacfc \uc77c\uce58\ud574\uc57c \ud558\ubbc0\ub85c CT\uc758 \ubc29\ud5a5\uc774\ub098 S1\uc5d0\uc11c S2\ub85c\uc758 \uc5f0\uacb0\uc774 \ubcc0\uacbd\ub418\uba74 \uce21\uc815\ub41c \uc804\ub958\uac00 \ubc18\uc804\ub429\ub2c8\ub2e4. \ubc29\ud5a5 \uac10\uc9c0 \ubcf4\ud638 \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8\uc774 \uc2e4\ud328\ud560 \uc218 \uc788\uc73c\uba70, \uc218\uc785\uc73c\ub85c \ud45c\uc2dc\ub420 \uc218 \uc788\ub294 \uc804\ub825(kW)\uc758 \uce21\uc815\uac12\ub3c4 \ubc18\ub300\ub85c \ub098\ud0c0\ub0a0 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubc18\uba74 K \ubc0f L\uacfc \uac19\uc740 \ud45c\uc2dc\ub294 \uc77c\ubd80 \uc81c\uc870\uc5c5\uccb4\uc5d0\uc11c \uc0ac\uc6a9\ub420 \uc218 \uc788\uc9c0\ub9cc, \uc6d0\ub9ac\ub294 \ub3d9\uc77c\ud569\ub2c8\ub2e4(K\ub294 P1\uacfc \uc77c\uce58\ud558\uace0 L\uc740 P2\uc640 \uc77c\uce58\ud574\uc57c \ud568), \uc989 \uba85\ud310\uc774 \ubc30\uc120\uc744 \uc9c0\uc2dc\ud574\uc57c \ud558\uba70 \uc0dd\ud65c \ubc29\uc2dd\uc774 \uc544\ub2c8\ub77c\ub294 \uc758\ubbf8\uc785\ub2c8\ub2e4.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-11535\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/09\/The-three-wiring-configurations-you-will-actually-use.webp\" alt=\"\uc2e4\uc81c\ub85c \uc0ac\uc6a9\ud560 \uc138 \uac00\uc9c0 \ubc30\uc120 \uad6c\uc131\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2>\uc2e4\uc81c\ub85c \uc0ac\uc6a9\ud560 \uc138 \uac00\uc9c0 \ubc30\uc120 \uad6c\uc131<\/h2>\n<p>CT\uc758 \uac70\uc758 \ubaa8\ub4e0 \uc124\uce58\ub294 \uc138 \uac00\uc9c0 \uc720\ud615\uc758 \uad6c\uc131\uc73c\ub85c \ub098\ub269\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\ub2e8\uc77c \uae30\uae30\uc640 \ud568\uaed8 \uc0ac\uc6a9\ub418\ub294 \ud558\ub098\uc758 CT. \ud558\ub098\uc758 CT\uac00 \uacc4\ub7c9\uae30 \ub610\ub294 \uc13c\uc11c\uc640 \ud568\uaed8 \uc0ac\uc6a9\ub429\ub2c8\ub2e4: S1\uc740 \uae30\uae30\uc758 S1\uc5d0 \uc5f0\uacb0\ub418\uace0, S2\ub294 \uae30\uae30\uc758 S2\uc5d0 \uc5f0\uacb0\ub418\uba70, \ubcf4\uc870 \uce21\uc740 \ud55c \uc9c0\uc810(\uc77c\ubc18\uc801\uc73c\ub85c \uae30\uae30 \ud328\ub110)\uc5d0\uc11c \uc811\uc9c0\ub429\ub2c8\ub2e4. \uc774\ub294 \uc804\uc6a9 \ud53c\ub354 \ud328\ub110 \ub610\ub294 \ubaa8\ud130 \uc804\ub958 \ubaa8\ub2c8\ud130\ub9c1\uc744 \uc704\ud55c \ud45c\uc900 \uc0ac\uc6a9 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc0bc\uc0c1, 4\uc120 \uacc4\ub7c9\uc758 \uacbd\uc6b0 \ub3d9\uc77c\ud55c \uc808\ucc28\uac00 \uc138 \ubc88 \ubc18\ubcf5\ub429\ub2c8\ub2e4.<\/li>\n<li>\uc0bc\uc0c1 \uacc4\ub7c9 \ubc0f \ubcf4\ud638\ub97c \uc704\ud55c Y \uad6c\uc131\uc5d0\uc11c \uc138 \uac1c\uc758 CT \uc0ac\uc6a9. \uc5ec\uae30\uc11c \ubaa8\ub4e0 \uc138 \uac1c\uc758 S1 \uc804\uc120\uc740 \ud574\ub2f9 \uae30\uae30 \uc804\ub958 \uc785\ub825\uc5d0 \uc5f0\uacb0\ub418\uace0, \ubaa8\ub4e0 \uc138 \uac1c\uc758 S2 \uc804\uc120\uc740 \ub2e8\uc77c \uc2a4\ud0c0 \uc9c0\uc810\uc73c\ub85c \uc5f0\uacb0\ub429\ub2c8\ub2e4. \uc774 \uc2a4\ud0c0 \uc9c0\uc810\uc740 \ubcf4\uc870\uac00 \uc811\uc9c0\ub418\ub294 \uc9c0\uc810\uc785\ub2c8\ub2e4. \uc2a4\ud0c0 \uad6c\uc131\uc740 \uc0bc\uc0c1 \uc5d0\ub108\uc9c0 \uacc4\ub7c9\uae30 \ubc0f \uc804\ub825 \uacc4\ub7c9\uae30\uc758 \uae30\ubcf8 \uad6c\uc131\uc73c\ub85c \uc0ac\uc6a9\ub418\uba70, \uc774\ub294 \uc704\uc0c1 \uc804\ub958\uc758 \uc815\ud655\ud55c \ubcf5\uc0ac\ubcf8\uc744 \uc81c\uacf5\ud558\uace0 \uc804\ub958 \ubd88\uade0\ud615\uc744 \uc704\ud55c \uacbd\ub85c\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<li>\ucf54\uc5b4 \ubc38\ub7f0\uc2a4 CT\ub294 \uc9c0\ub77d \uac10\uc9c0\ub97c \uc704\ud574 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774 \uacbd\uc6b0, \ubaa8\ub4e0 \uc138 \uac1c\uc758 \uc0c1 \uc804\ub3c4\uccb4(\uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8\uc5d0 \ub530\ub77c \uc911\uc131\uc120 \ud3ec\ud568)\uac00 \ud558\ub098\uc758 CT \ucf54\uc5b4\ub97c \ud1b5\uacfc\ud569\ub2c8\ub2e4. \uc815\uc0c1 \uc0c1\ud0dc\uc5d0\uc11c\ub294 \uc804\ub958\uc758 \ubca1\ud130 \ud569\uc774 0\uc774 \ub418\uba70, \ub530\ub77c\uc11c CT 2\ucc28\uce21\uc740 0\uc744 \uc77d\uc2b5\ub2c8\ub2e4. \uc9c0\ub77d\uc774 \ubc1c\uc0dd\ud558\uba74 \uc911\uc131\uc120 \ub300\uc2e0 \uc9c0\uad6c\ub97c \ud1b5\ud574 \uc77c\ubd80 \uc804\ub958\uac00 \ub3cc\uc544\uc624\uace0, \uc774\ub294 \uc9c0\ub77d \ub9b4\ub808\uc774\uc5d0 \uc758\ud574 \uac10\uc9c0\ub418\ub294 \uc794\uc5ec \uc2e0\ud638\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uc774 \uc124\uc815\uc5d0\uc11c\ub294 \ubc30\uc120\uc774 \ub35c \ubcf5\uc7a1\ud569\ub2c8\ub2e4(2\uac1c\uc758 2\ucc28\uc120\ub9cc \ub9b4\ub808\uc774\ub85c \uc5f0\uacb0\ub428)\ub9cc, \ud2b9\uc815 \ubb3c\ub9ac\uc801 \uaddc\uce59\uc744 \uc900\uc218\ud574\uc57c \ud569\ub2c8\ub2e4: \ub2e4\ub978 \uc804\uc120\uc740 \ucf54\uc5b4\ub97c \ud1b5\uacfc\ud560 \uc218 \uc5c6\uc73c\uba70, \ucf00\uc774\ube14 \ucc28\ud3d0 \ub610\ub294 \uc544\uba38\ub294 \uc794\uc5ec \uc804\ub958\ub97c \uc0c1\uc1c4\ud558\ub294 \ubcd1\ub82c \uacbd\ub85c\ub97c \uc0dd\uc131\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\ub3d9\uc77c\ud55c CT\uac00 \uacc4\ub7c9\uae30\uc640 \ubcf4\ud638 \ub9b4\ub808\uc774 \ubaa8\ub450\uc5d0 \ub370\uc774\ud130\ub97c \uc81c\uacf5\ud574\uc57c \ud558\ub294 \uacbd\uc6b0, \ub450 \ubd80\ud558\uac00 \uc9c1\ub82c\ub85c \ubc30\uc120\ub429\ub2c8\ub2e4(\uba3c\uc800 \uacc4\ub7c9\uae30, \uadf8 \ub2e4\uc74c \ub9b4\ub808\uc774 \ub610\ub294 CT\uc5d0 \uc5ec\ub7ec \uac1c\uc758 2\ucc28\uac00 \uc788\ub294 \uacbd\uc6b0 \ub300\uccb4 \ucf54\uc5b4\ub97c \uc0ac\uc6a9\ud558\uc5ec) \ubcd1\ub82c\ub85c \uc5f0\uacb0\ub418\uac70\ub098 \uc0ac\uc6a9\ub418\uc9c0 \uc54a\ub294 \ucf54\uc5b4\uc640 \ud568\uaed8 \uc5f0\uacb0\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc794\uc5ec \uc5f0\uacb0 \ub4a4\uc5d0 \uc788\ub294 \ubcf4\ud638 \ucca0\ud559\uc740 \uc6b0\ub9ac\uc758 <a href=\"\/ko\/blog\/earth-fault-protection-basics\/\">\uc9c0\ub77d \ubcf4\ud638 \uae30\ubcf8 \uc0ac\ud56d<\/a> \uac00\uc774\ub4dc\uc5d0\uc11c \ub354 \uc124\uba85\ub429\ub2c8\ub2e4.<\/p>\n<h2>CT \uc5f0\uacb0 \ub2e4\uc774\uc5b4\uadf8\ub7a8, \uc124\uba85<\/h2>\n<p>CT \ubc30\uc120 \ub3c4\uba74\uc740 1\ucc28 \uce21\uc5d0\uc11c \uc2dc\uc791\ud558\uc5ec \uacc4\uce21\uae30\ub85c \ub05d\ub098\ub294 \ubc29\uc2dd\uc73c\ub85c \uc77d\uc5b4\uc57c \ud569\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc73c\ub85c \uc81c\uc2dc\ub41c 3\uc0c1 \uacc4\ub7c9 \uc124\uce58\uc758 \uc608\uc785\ub2c8\ub2e4:<\/p>\n<table>\n<tbody>\n<tr>\n<th>\uc804\ub3c4\uccb4\uc5d0\uc11c<\/th>\n<th>\uc5d0<\/th>\n<th>\uc9c0\ud718\uc790<\/th>\n<\/tr>\n<tr>\n<td>A\uc0c1 \ub3c4\uccb4(\uc18c\uc2a4 \uce21)<\/td>\n<td>CT-A P1<\/td>\n<td>\uae30\ubcf8 \ud68c\ub85c \u2014 CT \ubc30\uc120 \uc544\ub2d8<\/td>\n<\/tr>\n<tr>\n<td>CT-A S1<\/td>\n<td>\uacc4\uce21 \uc804\ub958 \uc785\ub825 IA (S1)<\/td>\n<td>5-4 mm\u00b2 \uad6c\ub9ac, 600 V \uc815\uaca9<\/td>\n<\/tr>\n<tr>\n<td>CT-A S2<\/td>\n<td>\uc2a4\ud0c0 \uc9c0\uc810<\/td>\n<td>S1\uacfc \ub3d9\uc77c\ud55c \ud06c\uae30<\/td>\n<\/tr>\n<tr>\n<td>CT-B S1<\/td>\n<td>\uacc4\uce21 \uc804\ub958 \uc785\ub825 IB (S1)<\/td>\n<td>\ub3d9\uc77c\ud55c \ud06c\uae30<\/td>\n<\/tr>\n<tr>\n<td>CT-B S2<\/td>\n<td>\uc2a4\ud0c0 \uc9c0\uc810<\/td>\n<td>\ub3d9\uc77c\ud55c \ud06c\uae30<\/td>\n<\/tr>\n<tr>\n<td>CT-C S1<\/td>\n<td>\uacc4\uce21 \uc804\ub958 \uc785\ub825 IC (S1)<\/td>\n<td>\ub3d9\uc77c\ud55c \ud06c\uae30<\/td>\n<\/tr>\n<tr>\n<td>CT-C S2<\/td>\n<td>\uc2a4\ud0c0 \uc9c0\uc810<\/td>\n<td>\ub3d9\uc77c\ud55c \ud06c\uae30<\/td>\n<\/tr>\n<tr>\n<td>\uc2a4\ud0c0 \uc9c0\uc810<\/td>\n<td>\uc811\uc9c0(\ud55c \uc9c0\uc810\ub9cc)<\/td>\n<td>\uc9c0\uc5ed \ucf54\ub4dc\uc5d0 \ub530\ub978 \uc811\uc9c0 \ub3c4\uccb4<\/td>\n<\/tr>\n<tr>\n<td>\uac01 S1\/S2 \uc30d<\/td>\n<td>\ub2e8\ub77d\/\ud14c\uc2a4\ud2b8 \ub2e8\uc790 \ube14\ub85d<\/td>\n<td>CT\uc640 \uacc4\uce21\uae30 \uc0ac\uc774\uc5d0 \uc124\uce58\ub428<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\ud504\ub85c\uc81d\ud2b8\uc5d0 \uc81c\uacf5\ub41c \ubc30\uc120 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc774 \uc788\ub294 \uacbd\uc6b0, \uc774\ub97c \uae30\ubcf8 \uc18c\uc2a4 \ubb38\uc11c\ub85c \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc124\uce58\ub97c \uc644\ub8cc\ud558\uae30 \uc804\uc5d0 \ub2e4\uc74c \uc138 \uac00\uc9c0 \uaddc\uce59\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4: S1\uacfc S1 \uc30d \uc0ac\uc6a9, \ub2e8\uc77c \uc811\uc9c0 \uc9c0\uc810 \uc0ac\uc6a9, \ud68c\ub85c \ub0b4 \ub2e8\ub77d \uba54\ucee4\ub2c8\uc998 \uc874\uc7ac. \uc774 \uc138 \uac00\uc9c0 \uce21\uba74\uc5d0\uc11c\uc758 \ubd88\uc77c\uce58\ub294 \ubd80\uc801\uc808\ud55c \uc2dc\uc6b4\uc804\uc73c\ub85c \uc774\uc5b4\uc9c8 \uc218 \uc788\uc73c\uba70 \uc548\uc804\ud558\uc9c0 \uc54a\uc740 \uc870\uac74\uc744 \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ub2e8\uacc4\ubcc4: \uc804\ub958 \ubcc0\ud658\uae30 \ubc30\uc120 \ubc29\ubc95<\/h2>\n<ol>\n<li>\uccab \ubc88\uc9f8 \ub2e8\uacc4\ub294 CT \ub370\uc774\ud130\ub97c \ud655\uc778\ud558\uace0 \uacc4\uce21\uae30 \uc694\uad6c \uc0ac\ud56d\uc744 \uc810\uac80\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \ube44\uc728, \uc815\ud655\ub3c4 \ub4f1\uae09, \ubd80\ud558(VA) \ubc0f \uadf9\uc131 \ud45c\uae30\ub97c \ud655\uc778\ud558\uae30 \uc704\ud574 \uba85\ud310\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624. \uacc4\uce21\uae30\uc758 \uc785\ub825 \uc815\uaca9(1 A \ub610\ub294 5 A)\uc774 CT 2\ucc28\uc640 \uc77c\uce58\ud558\ub294\uc9c0 \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4. 5 A CT\uac00 1 A \uc785\ub825\uc5d0 \uc5f0\uacb0\ub418\uba74 \uacc4\uce21\uae30\ub294 \ub2e4\uc12f \ubc30\uc758 \uc624\ucc28\ub85c \uc798\ubabb \ud310\ub3c5\ub418\uba70 \uc785\ub825\uc774 \ud3ec\ud654\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\uc7a5\uce58\ub294 \uaca9\ub9ac\ub418\uc5b4\uc57c \ud558\uba70, \uc774\ud6c4 \uace0\uc7a5 \uc0c1\ud0dc\ub97c \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4. \uae30\ubcf8 \ud68c\ub85c\ub294 \uc804\uc6d0\uc774 \ucc28\ub2e8\ub418\uc5b4\uc57c \ud558\uba70, \uc801\uc808\ud55c \uc7a0\uae08\/\ud0dc\uadf8 \uc544\uc6c3 \uc870\uce58\uac00 \uc801\uc6a9\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \u201c\uae30\ubcf8 \ud68c\ub85c\uac00 \uaca9\ub9ac\ub418\uc5c8\ub354\ub77c\ub3c4, \ub2e4\ub978 \uc18c\uc2a4\uc5d0\uc11c \uc804\uc6d0\uc774 \uacf5\uae09\ub418\ub294 \ud65c\uc131 CT 2\ucc28\uac00 \uc788\uc744 \uc218 \uc788\ub2e4\u201d\ub294 \uc810\uc744 \uae30\uc5b5\ud558\ub294 \uac83\uc774 \uc911\uc694\ud558\uba70, \ub530\ub77c\uc11c \ubaa8\ub4e0 CT \ud68c\ub85c\ub294 \ub2e4\ub978 \ubc29\ubc95\uc73c\ub85c \uc785\uc99d\ub420 \ub54c\uae4c\uc9c0 \ud65c\uc131\uc73c\ub85c \uac04\uc8fc\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li>\ub2e4\uc74c \ub2e8\uacc4\ub294 2\ucc28 \ud68c\ub85c\ub97c \ub2e8\ub77d\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \ud14c\uc2a4\ud2b8 \ub2e8\uc790 \ube14\ub85d\uc758 \ub2e8\ub77d \ub9c1\ud06c\ub97c \ub2eb\uac70\ub098 S1\uacfc S2\ub97c \uc5f0\uacb0\ud558\uae30 \uc704\ud574 \uc801\uc808\ud55c \ub2e8\ub77d \uc7a5\uce58\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc808\ucc28\ub294 CT \uace0\uc7a5\uc758 \uc704\ud5d8\uc744 \uc81c\uac70\ud569\ub2c8\ub2e4.<\/li>\n<li>\ub2e4\uc74c \ub2e8\uacc4\ub294 P1 \ubc0f P2\uc758 \uae30\ubcf8 \ud3ec\uc778\ud2b8\uc640 S2 \ubc0f S1\uc758 2\ucc28 \ud3ec\uc778\ud2b8\ub97c \ucc3e\ub294 \uac83\uc744 \ud3ec\ud568\ud558\ub294 \uadf9\uc131\uc744 \ucc3e\ub294 \uac83\uc785\ub2c8\ub2e4. \uae30\ubcf8 \ubc29\ud5a5(\uc5ec\uae30\uc11c P1\uc774 \uc18c\uc2a4\ub97c \ud5a5\ud558\ub294 \uc704\uce58)\uacfc \ubb3c\ub9ac\uc801 \ubc30\uc5f4\uc774 \ub3c4\uba74\uacfc \uc77c\uce58\ud558\ub294\uc9c0 \ud655\uc778\ud558\ub294 \uac83\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/li>\n<li>\uc801\uc808\ud55c 2\ucc28 \ucf00\uc774\ube14\uc744 \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4. \uc801\uc808\ud55c \ud06c\uae30\uc758 \uad6c\ub9ac \ub3c4\uccb4\ub97c \uc0ac\uc6a9\ud574\uc57c \ud558\uba70, \uc774\ub294 \ubd80\ud558 \ubc0f \uc804\uc120 \uae38\uc774\uc5d0 \ub300\ud574 (\ud45c\uc900 2.5 mm\u00b2, 600\ubcfc\ud2b8) \uc804\ub825 \ub3c4\uccb4\uac00 \uc678\ud53c \ub0b4\uc5d0\uc11c \ud750\ub974\uc9c0 \uc54a\ub3c4\ub85d \ud558\uba74\uc11c \ubaa8\ub4e0 \uc138 \uac00\uc9c0 \uc0c1\uc744 \ub2ec\uc131\ud558\ub294 \uac83\uc744 \ubaa9\ud45c\ub85c \ud569\ub2c8\ub2e4.<\/li>\n<li>\uc885\ub2e8\uc740 \uae30\uae30\uc5d0\uc11c S1\uc774 \uae30\uae30\uc758 S1(\uadf9\uc131) \uc785\ub825\uc5d0 \uc788\uace0 S2\uac00 \ub450 \ubc88\uc9f8 \uc785\ub825\uc5d0 \uc788\ub3c4\ub85d \ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li>\uc811\uc9c0\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uae30\uae30 \ub610\ub294 \ub9b4\ub808\uc774 \ud328\ub110 \uc911 \ud558\ub098\uc758 \uc9c0\uc810\uc5d0\uc11c\ub9cc \uc774\ub8e8\uc5b4\uc838\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li>\uc81c\uc870\uc5c5\uccb4\uc5d0 \ub530\ub77c \ud1a0\ud06c \uc124\uc815\uc744 \ud655\uc778\ud558\uace0 \ube44\uc728 \ub808\uc774\ube14\uc744 \ud3ec\ud568\ud558\uc5ec \uc0c1\uc5d0 \ub808\uc774\ube14\uc744 \ubd80\ucc29\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li>\ud14c\uc2a4\ud2b8\uac00 \uc2dc\uc791\ub418\uae30 \uc804\uc5d0 \ub2e8\ub77d \ub9c1\ud06c\ub97c \uc81c\uac70\ud574\uc57c \ud558\uba70, \ube44\uc728\uacfc \uadf9\uc131\uc744 \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li>\uc804\uc6d0 \ud68c\ub85c\ub97c \ucf1c\uc11c \ud68c\ub85c\uac00 \uae30\uae30\uc5d0\uc11c \uc62c\ubc14\ub974\uac8c \uc77d\ud788\ub3c4\ub85d \ud558\uba70, \ubaa8\ub4e0 \uc138 \uac00\uc9c0 \uc0c1\uc774 \ud604\uc7ac \uc77d\uae30\uc5d0\uc11c \uae30\ub85d\ub418\uace0 \uc788\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-11536\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/09\/Step-by-step-how-to-wire-a-current-transformer.webp\" alt=\"\ub2e8\uacc4\ubcc4: \uc804\ub958 \ubcc0\ud658\uae30 \ubc30\uc120 \ubc29\ubc95\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2>\ubd80\ud558 \ubc0f \ucf00\uc774\ube14 \ud06c\uae30: \ub300\ubd80\ubd84\uc758 \uc124\uce58\uc790\uac00 \uac74\ub108\ub6f0\ub294 \uacc4\uc0b0<\/h2>\n<p>\uc804\ub958 \ubcc0\uc555\uae30(CT)\ub294 \uc815\uaca9 \ubd80\ud558\ub97c \ucd08\uacfc\ud558\uba74 \uc815\ud655\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ubd80\ud558 \ucd1d\uacc4\uc5d0\ub294 2\ucc28\uc5d0 \uc5f0\uacb0\ub41c \ubaa8\ub4e0 \uc7a5\uce58\uc640 2\ucc28 \ubc30\uc120\uc758 \uc800\ud56d\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uae30\uae30 \ubd80\ud558: \uc774\ub294 \uacc4\uae30 \ub610\ub294 \ub9b4\ub808\uc774 \uc81c\uc870\uc5c5\uccb4\uac00 \uc9c0\uc815\ud55c VA \ubd80\ud558(\ub610\ub294 \uc800\ud56d)\uc785\ub2c8\ub2e4. \uae30\uae30 \uc720\ud615\uc5d0 \ub530\ub77c \ub2e4\ub97c \uc218 \uc788\uc9c0\ub9cc, \uc77c\ubc18\uc801\uc73c\ub85c \ud604\ub300 \uc804\uc790 \uae30\uae30\uc758 \uacbd\uc6b0 \uc804\ub958 \uc785\ub825\ub2f9 0.2-1 VA \ubc94\uc704\uc5d0 \uc788\uc73c\uba70, \uad6c\ud615 \uc804\uc790\uae30 \ub9b4\ub808\uc774\uc758 \uacbd\uc6b0 \ub354 \ub192\uc740 \ubd80\ud558\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\ubc30\uc120 \ubd80\ud558: \ubc30\uc120 \uc800\ud56d\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uacc4\uc0b0\ub429\ub2c8\ub2e4: 2 x \ud3b8\ub3c4 \uae38\uc774 x \ubbf8\ud130\ub2f9 \uc800\ud56d(\uc608: 2.5 mm\u00b2 \uad6c\ub9ac \ubc30\uc120\uc758 \uc800\ud56d\uc740 \uc57d 7.4 ohm\/km), 2\ucc28 \uc804\ub958\uc758 \uc81c\uacf1\uc744 \uacf1\ud569\ub2c8\ub2e4. \uc804\uc120 \uae38\uc774\uc5d0 \ub530\ub77c, \ubc30\uc120 \ubd80\ud558\ub85c \uc778\ud574 \uae30\uae30 \ubd80\ud558\uac00 \ucd08\uacfc\ub418\ub294 \uacbd\uc6b0\uac00 \ub4dc\ubb3c\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\uc5f0\uacb0 \ubd80\ud558: \ub2e8\uc790 \ubc0f \ud14c\uc2a4\ud2b8 \ube14\ub85d \uac04\uc758 \uc800\ud56d\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc791\uc9c0\ub9cc, \ubc30\uc120 \ucd1d\uacc4\uac00 CT \ubd80\ud558\uc5d0 \uac00\uae4c\uc6b4 \uacbd\uc6b0 \uc774 \uac12\uc744 \ud3ec\ud568\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>CT\uc758 \ucd1d \ubd80\ub2f4\uc774 \uc815\uaca9\uc744 \ucd08\uacfc\ud558\uba74 \uc815\ud655\ud55c \uce21\uc815\uc744 \uc81c\uacf5\ud560 \uc218 \uc5c6\uc73c\uba70, \uace0\uc7a5 \uc804\ub958 \ub3d9\uc548 \ud3ec\ud654\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub54c \ubcf4\ud638\uac00 \uac00\uc7a5 \ud544\uc694\ud569\ub2c8\ub2e4. \uac00\ub2a5\ud55c \ud574\uacb0\ucc45\uc73c\ub85c\ub294 \uc9e7\uc740 \ucf00\uc774\ube14 \uacbd\ub85c, \ub354 \ud070 \ub3c4\uccb4 \uc0ac\uc6a9, \ub0ae\uc740 \ubd80\ub2f4\uc758 \uae30\uae30 \uc0ac\uc6a9 \ub610\ub294 \ub354 \ub192\uc740 VA \uc815\uaca9\uc758 CT \uad6c\ub9e4\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc815\ud655\ub3c4 \ud074\ub798\uc2a4 \uc790\uccb4 \u2014 \uacc4\ub7c9\uc6a9 0.5 \ubc0f 1, \ubcf4\ud638\uc6a9 5P \ubc0f 10P \u2014 \ub294 \uc6b0\ub9ac\uc758 <a href=\"\/ko\/blog\/transformer-accuracy-classes-explained\/\">\ubcc0\uc555\uae30 \uc815\ud655\ub3c4 \ud074\ub798\uc2a4 \uac00\uc774\ub4dc<\/a>.<\/p>\n<p>\ud2b9\uc815 \uc124\uce58\uc5d0 \ub300\ud55c \ube44\uc728 \uc120\ud0dd \ub17c\ub9ac\ub294 \ubd80\ud558 \uc804\ub958 \ubc0f \uace0\uc7a5 \uc218\uc900\uc5d0\uc11c \ucd5c\uc885 \uba85\ud310 \uc120\ud0dd\uae4c\uc9c0 \uc6b0\ub9ac\uc758 <a href=\"\/ko\/blog\/current-transformer-ratio-selection\/\">\uc804\ub958 \ubcc0\uc555\uae30 \ube44\uc728 \uc120\ud0dd<\/a> \uae30\uc0ac\uc5d0 \uc694\uc57d\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ud14c\uc2a4\ud2b8 \ubc0f \uac80\uc99d<\/h2>\n<p>CT\uac00 \ubd80\ud558\ub97c \uc218\uc6a9\ud558\uae30 \uc804\uc5d0 \uc62c\ubc14\ub974\uac8c \uc124\uce58\ub418\uc5c8\ub294\uc9c0 \ud655\uc778\ud558\uae30 \uc704\ud574 \uc138 \uac00\uc9c0 \ud14c\uc2a4\ud2b8\uac00 \uc0ac\uc6a9\ub429\ub2c8\ub2e4:<\/p>\n<table>\n<tbody>\n<tr>\n<th>\ud14c\uc2a4\ud2b8<\/th>\n<th>\uadf8\uac83\uc774 \uc99d\uba85\ud558\ub294 \uac83<\/th>\n<th>\ubc29\ubc95<\/th>\n<\/tr>\n<tr>\n<td>\ube44\uc728 \ud14c\uc2a4\ud2b8<\/td>\n<td>CT\ub294 \uc54c\ub824\uc9c4 1\ucc28 \uc804\ub958\uc5d0 \ub300\ud574 \uc608\uc0c1\ub418\ub294 2\ucc28 \uc804\ub958\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/td>\n<td>\uc815\uaca9 \uc804\ub958\uc758 \uc77c\ubd80\uc5d0\uc11c\uc758 1\ucc28 \uc8fc\uc785 \ub610\ub294 \ub300\ud615 CT\ub97c \uc704\ud55c 2\ucc28 \uc804\uc555 \ubc29\ubc95<\/td>\n<\/tr>\n<tr>\n<td>\uadf9\uc131 \ud14c\uc2a4\ud2b8<\/td>\n<td>S1\uc740 \uc2e4\uc81c\ub85c P1\uc5d0 \ud574\ub2f9\ud558\uba70 \uae30\uae30\ub294 \uc804\ubc29 \uc804\ub825\uc744 \uc62c\ubc14\ub974\uac8c \uc77d\uc2b5\ub2c8\ub2e4<\/td>\n<td>\uadf9\uc131 \uac10\uc9c0 \uae30\uae30\ub97c \uc0ac\uc6a9\ud55c DC \ud384\uc2a4 \ub610\ub294 1\ucc28 \uc8fc\uc785<\/td>\n<\/tr>\n<tr>\n<td>\uc808\uc5f0 \ubc0f \uc5f0\uc18d\uc131<\/td>\n<td>\ub2e8\ub77d\ub418\uac70\ub098 \uc5f4\ub9b0 2\ucc28 \ub3c4\uccb4\uac00 \uc5c6\uc73c\uba70, \uc9c0\uba74\uc5d0 \ub300\ud55c \uc801\uc808\ud55c \uc808\uc5f0\uc774 \ud544\uc694\ud569\ub2c8\ub2e4<\/td>\n<td>\uc804\uc6d0 \uacf5\uae09 \uc804\uc5d0 \uc808\uc5f0 \uc800\ud56d \ubc0f \uc5f0\uc18d\uc131 \uc810\uac80<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\uc804\uc6d0 \uacf5\uae09 \ud6c4 \uac80\uc99d\ub3c4 \ub3d9\uc77c\ud558\uac8c \uc911\uc694\ud569\ub2c8\ub2e4. CT\uc758 \ud310\ub3c5\uac12\uc744 1\ucc28 \uce21\uc758 \ud074\ub7a8\ud504 \ubbf8\ud130 \ud310\ub3c5\uac12\uacfc \ube44\uad50\ud558\uace0, \uc138 \uac1c\uc758 \ubaa8\ub4e0 \uc0c1\uc5d0\uc11c \ud310\ub3c5\uac12\uc774 \uc77c\uad00\ub41c\uc9c0 \ud655\uc778\ud558\uba70, \uc9c0\ub77d \ud68c\ub85c\uac00 \uac74\uac15\ud55c \ud53c\ub354\uc5d0\uc11c \uc81c\ub85c \uc794\uc5ec\uac12\uc744 \uae30\ub85d\ud558\ub294\uc9c0 \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4. CT\uac00 \ubcf4\ud638 \uacc4\ud68d\uc758 \uc77c\ubd80\uc778 \uacbd\uc6b0, \uadf8 \uc870\uc815 \u2014 \uadf8\ub9ac\uace0 \uadf8\uac83\uc774 \uc758\uc874\ud558\ub294 \uc811\uc9c0 \ucc38\uc870 \u2014 \ub294 \uc6b0\ub9ac\uc758 \uc8fc\uc81c\uc785\ub2c8\ub2e4 <a href=\"\/ko\/blog\/transformer-grounding-basics\/\">\ubcc0\uc555\uae30 \uc811\uc9c0 \uae30\ucd08<\/a> \uac00\uc774\ub4dc\uc5d0\uc11c \ub354 \uc124\uba85\ub429\ub2c8\ub2e4.<\/p>\n<h2>\uc548\uc804 \uaddc\uce59 \ubc0f \uc7a5\ube44\ub97c \uc190\uc0c1\uc2dc\ud0a4\ub294 \uc2e4\uc218<\/h2>\n<p>\uc804\ub958 \ubcc0\uc555\uae30\uc758 2\ucc28\ub294 \ub0ae\uc740 \uc804\uc555\uc5d0\uc11c \uc18c\ub7c9\uc758 \uc804\ub958\ub9cc \ud750\ub985\ub2c8\ub2e4 \u2014 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud560 \ub54c\uae4c\uc9c0. \ub2e4\uc74c\uc740 \uc804\ub958 \ubcc0\uc555\uae30 \ud68c\ub85c\ub97c \ub2e4\ub8e8\uae30 \uc704\ud55c \ud544\uc218 \uc9c0\uce68\uc785\ub2c8\ub2e4:<\/p>\n<ul>\n<li>1\ucc28 \ud68c\ub85c\uac00 \uc804\uc6d0\uc774 \uacf5\uae09\ub418\ub294 \ub3d9\uc548 \uc804\ub958 \ubcc0\uc555\uae30 \ud68c\ub85c\uc758 2\ucc28\ub97c \uc808\ub300 \uc5f4\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. 2\ucc28 \ub2e8\uc790\uac00 \uc5f4\ub9ac\uba74 \uc804\ub958 \ubcc0\uc555\uae30\ub294 \ub9e4\uc6b0 \ub192\uc740 \uc804\uc555(\uc218\ubc31 \ub610\ub294 \uc218\ucc9c \ubcfc\ud2b8)\uc744 \uc0dd\uc131\ud558\ub824\uace0 \ud558\uba70, \uc774\ub294 \uadf9\ub2e8\uc801\uc778 \uacfc\uc804\uc555 \uc0c1\ud669, \ucf54\uc5b4 \ud3ec\ud654, \uacfc\uc5f4 \ubc0f \uc7a0\uc7ac\uc801\uc778 \ud3ed\ubc1c \ubc0f \ud654\uc7ac\ub97c \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\uc804\ub958 \ubcc0\uc555\uae30 2\ucc28\ub294 \ud55c \uc9c0\uc810\uc5d0\uc11c\ub9cc \uc811\uc9c0\ud558\uc2ed\uc2dc\uc624. \ub450 \uc9c0\uc810\uc5d0\uc11c \uc811\uc9c0\ub97c \uc5f0\uacb0\ud558\uba74 \ubd88\ud544\uc694\ud55c \uc804\ub958\uac00 \uc811\uc9c0\ub97c \ud1b5\ud574 \uc21c\ud658\ud558\uc5ec \uc798\ubabb\ub41c \uce21\uc815\uc744 \ucd08\ub798\ud558\uace0 \ubcf4\ud638 \uc7a5\ube44\uc758 \ubd88\ud544\uc694\ud55c \ud2b8\ub9bd\uc744 \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\uc804\ub958 \ubcc0\uc555\uae30 \ud68c\ub85c\uc5d0 \ub2e8\ub77d\ud615 \ud14c\uc2a4\ud2b8 \ube14\ub85d\uc774 \uc544\ub2cc \uc2a4\uc704\uce58\ub098 \ud4e8\uc988\ub97c \uc124\uce58\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \ud45c\uc900 \ud68c\ub85c\ub294 \uc5f4\ub9b4 \uc218 \uc788\uc73c\uba70, \uc774\ub294 \uac1c\ubc29 \ud68c\ub85c\uc640 \ub3d9\uc77c\ud55c \uc870\uac74\uc744 \ub9cc\ub4ed\ub2c8\ub2e4.<\/li>\n<li>\uc608\ube44 \uc804\ub958 \ubcc0\uc555\uae30 \ucf54\uc5b4\ub97c \uc5f4\uc5b4 \ub450\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uc0ac\uc6a9\ud558\uc9c0 \uc54a\ub294 \ucf54\uc77c\uc744 \ub2e8\ub77d\uc2dc\ud0a4\uace0 \ub3c4\uba74\uc5d0 \uae30\ub85d\ud558\uc2ed\uc2dc\uc624. \uadf8\ub807\uc9c0 \uc54a\uc73c\uba74 \ud5a5\ud6c4 \uae30\uc220\uc790\uac00 \uc11c\ube44\uc2a4 \uc778\ub825\uc744 \uc798\ubabb \uc774\ub04c\uc5b4 \uac1c\ubc29 \ud68c\ub85c\ub85c \uac00\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\uac01 \uc5f0\uacb0\uc5d0\uc11c \uc62c\ubc14\ub978 \uadf9\uc131\uc744 \ubc18\ub4dc\uc2dc \uc900\uc218\ud558\uc2ed\uc2dc\uc624. S1-to-S1 \ubc0f P1-to-\uc18c\uc2a4 \uc5f0\uacb0\uc740 \ub098\uc911\uc5d0 \ubcc0\uacbd\ud560 \uc218 \uc788\ub294 \uc784\uc758\uc758 \uaddc\uce59\uc774 \uc544\ub2d9\ub2c8\ub2e4.<\/li>\n<li>\uc804\ub958 \ubcc0\uc555\uae30 \uc804\uc120\uc744 \uc804\ub825 \ubc0f \uac00\ubcc0 \uc8fc\ud30c\uc218 \ub4dc\ub77c\uc774\ube0c(VFD) \ucf00\uc774\ube14\uc5d0\uc11c \uba40\ub9ac \ub450\uace0, \uc804\ub958 \ubcc0\uc555\uae30\ub97c \ucf54\uc5b4 \ubc38\ub7f0\uc2a4 \uacc4\ud68d\uc758 \ub3c4\uccb4\uc758 \ub2e8\uc77c \ubd80\ubd84 \uc8fc\uc704\ub85c \ud1b5\uacfc\uc2dc\ud0a4\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/li>\n<\/ul>\n<p>\uae30\uc5b5\ud574\uc57c \ud560 \ub450 \uac00\uc9c0 \uc2e4\uc6a9\uc801\uc778 \uc810\uc740 \uc804\ub958 \ubcc0\uc555\uae30\uac00 \uae30\uae30\uc758 \uc785\ub825 \uc815\uaca9\uacfc \ubcc0\uc555\uae30\uc758 2\ucc28 \uc815\uaca9(1A \ub610\ub294 5A \uc911 \ud558\ub098)\uc5d0 \ub9de\ucdb0 \uc5f0\uacb0\ub418\uc5b4\uc57c \ud558\uba70, 1\ucc28 \ub3c4\uccb4\ub294 \ud55c \ubc29\ud5a5\uc73c\ub85c\ub9cc \ucc3d\uc744 \ud1b5\uacfc\ud574\uc57c \ud55c\ub2e4\ub294 \uac83\uc774\ub2e4. \ubc14\ub098 \ucf00\uc774\ube14\uc744 \ucf54\uc5b4\ub97c \ud1b5\ud574 \ub4a4\ub85c \ud1b5\uacfc\uc2dc\ud0a4\uba74 \uc804\ub958 \ubcc0\uc555\uae30\uc758 \uc720\ud6a8 \uadf9\uc131\uc774 \ubc18\uc804\ub41c\ub2e4. \ubcf4\uc815\uc774 \ud544\uc694\ud55c \uacc4\uce21\uae30\uc758 \uacbd\uc6b0, \ud14c\uc2a4\ud2b8 \ube14\ub85d\uc740 \uae30\uae30\uac00 \ubd84\ub9ac\ub420 \ub54c CT\ub97c \uc790\ub3d9\uc73c\ub85c \ub2e8\ub77d\uc2dc\ud0a4\ub294 \uc720\ud615\uc774\uc5b4\uc57c \ud558\uba70, \uacc4\uce21 \ubc0f \uae30\uae30 \ubcc0\uc555\uae30\uc5d0 \ub300\ud55c \ubc30\uc120 \uad00\ud589\uc740 \uc6b0\ub9ac\uc758 <a href=\"\/ko\/blog\/current-transformer-installation-guide\/\">\uc804\ub958 \ubcc0\uc555\uae30 \uc124\uce58 \uac00\uc774\ub4dc<\/a>.<\/p>\n<h2>\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n<h3>\uc804\ub958 \ubcc0\uc555\uae30\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc758 \ub2e8\uc810\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3>\n<p>\uc5ec\ub7ec \uac00\uc9c0 \ub2e8\uc810\uc774 \uc788\ub2e4. \uac1c\ubc29 \ud68c\ub85c 2\ucc28\uac00 \uc788\uc73c\uba74 \uc2ec\uac01\ud55c \ubd80\uc0c1\uc758 \uac00\ub2a5\uc131\uc744 \ucd08\ub798\ud558\ubbc0\ub85c \uc704\ud5d8\ud558\ub2e4. \uc5f0\uacb0\ub41c \ubd80\ud558\uc758 \uacc4\uc0b0\uc774 \uc815\ud655\ud558\uac8c \uc774\ub8e8\uc5b4\uc838\uc57c \ud558\uba70, \uadf8\ub807\uc9c0 \uc54a\uc73c\uba74 \ubd80\uc815\ud655\ud55c \ud310\ub3c5\uac12\uc774 \uc0dd\uc131\ub41c\ub2e4. \uc798\ubabb\ub41c \uadf9\uc131\uc740 \ubd80\uc815\ud655\ud55c \ud310\ub3c5\uac12\ubfd0\ub9cc \uc544\ub2c8\ub77c \ubcf4\ud638 \uc7a5\uce58\uc758 \uc624\uc791\ub3d9\uc744 \ucd08\ub798\ud560 \uc218 \uc788\ub2e4. CT\uc5d0 \uc758\ud574 \uc791\uc740 \uc704\uc0c1 \uc774\ub3d9\uc774 \ubc1c\uc0dd\ud558\uc5ec \uce21\uc815\uc758 \uc57d\uac04\uc758 \ubd80\uc815\ud655\uc131\uc744 \ucd08\ub798\ud55c\ub2e4. \ucd94\uac00 \ube44\uc6a9\uacfc \ud328\ub110 \uacf5\uac04\uc774 \ud544\uc694\ud558\uba70, \uc801\uc808\ud55c \ud06c\uae30\uac00 \ud544\uc694\ud558\ub2e4. \uadf8\ub807\uc9c0 \uc54a\uc73c\uba74 CT\uac00 \uace0\uc7a5 \uc870\uac74\uc5d0\uc11c \ud3ec\ud654\ub420 \uac83\uc774\ub2e4. \ud604\ub300 \uc804\uc790 \uacc4\uce21\uae30\ub294 \uc774\ub7ec\ud55c \ub2e8\uc810\uacfc \uad00\ub828\ub41c \uc77c\ubd80 \ubb38\uc81c\ub97c \uc904\uc774\uc9c0\ub9cc, \ubaa8\ub4e0 \ubb38\uc81c\ub97c \uc81c\uac70\ud560 \uc218\ub294 \uc5c6\ub2e4.<\/p>\n<h3>\uc804\ub958 \ubcc0\uc555\uae30\ub294 \uc5b4\ub5bb\uac8c \ubc30\uc120\ud558\ub098\uc694?<\/h3>\n<p>CT\ub97c \ud1b5\ud574 1\ucc28 \ub3c4\uccb4\ub97c \uc5f0\uacb0\ud558\uae30 \uc704\ud574 P1(\uc18c\uc2a4 \uce21)\uacfc P2(\ubd80\ud558 \uce21)\uac00 \uc788\uc73c\uba70, \uc120\uc740 \ubc14\/\ucc3d\uc744 \ud1b5\ud574 \ud1b5\uacfc\ud55c\ub2e4. 2\ucc28 \uce21\uc740 S1\uacfc S2\uac00 \ub418\uba70 S1\uc740 P1\uc5d0 \ud574\ub2f9\ud55c\ub2e4. S1\uacfc S2\ub294 \ub2e8\uc77c CT\uc758 \uacbd\uc6b0 \uacc4\uce21\uae30, \ub9b4\ub808\uc774 \ub610\ub294 \ubcc0\ud658\uae30\ub85c \uc9c1\uc811 \uc5f0\uacb0\ub418\uac70\ub098, \uc0bc\uc0c1 \uacc4\uce21\uc744 \uc704\ud574 \ubcc4 \uad6c\uc131\uc73c\ub85c \uc5f0\uacb0\ub41c\ub2e4(\uc138 \uac1c\uc758 S1\uc774 \uacc4\uce21\uae30\ub85c, \uc138 \uac1c\uc758 S2\uac00 \ud558\ub098\uc758 \uc811\uc9c0\ub41c \ubcc4\uc810\uc5d0 \uc5f0\uacb0\ub428 \ub4f1). CT\uc640 \uae30\uae30 \uc0ac\uc774\uc758 \uc811\ud569\ubd80\uc5d0\ub294 \ub2e8\ub77d\/\ud14c\uc2a4\ud2b8 \ub2e8\uc790 \ube14\ub85d\uc774 \uc7a5\ucc29\ub418\uc5b4 \uc788\ub2e4.<\/p>\n<h3>\ubcc0\uc555\uae30\uc5d0\uc11c \uc5b4\ub5a4 \uc120\uc774 \uc5b4\ub514\ub85c \uac00\ub294\uc9c0\ub294 \uc911\uc694\ud569\ub2c8\uae4c?<\/h3>\n<p>\ubaa8\ub4e0 \ubcc0\uc555\uae30\uc5d0\uc11c \uc911\uc694\ud558\ub2e4. \uadf8\ub7ec\ub098 CT\ub294 \uace0\uc720\ud55c \uc694\uad6c \uc0ac\ud56d\uc774 \uc788\ub2e4. \uc774\ub294 \ub9ac\ub4dc\uac00 \ud2b9\uc815 \uadf9\uc131\uc744 \uac00\uc9c0\uae30 \ub54c\ubb38\uc774\ub2e4(\uc989, S1\uc774 P1\uc5d0 \ud574\ub2f9). \uc774 \ub450 \ub9ac\ub4dc\ub97c \ubc18\uc804\uc2dc\ud0a4\uba74 \uc804\ub958\uac00 \ubc18\ub300 \ubc29\ud5a5\uc73c\ub85c \ud750\ub974\uac8c \ub418\uc5b4 \ubd80\uc815\ud655\ud55c \uc804\ub825 \ud310\ub3c5\uac12\uacfc \ubcf4\ud638 \uc7a5\uce58\uc758 \uc624\uc791\ub3d9 \uac00\ub2a5\uc131\uc744 \ucd08\ub798\ud55c\ub2e4. \uc774\ub294 1\ucc28 \ubc0f 2\ucc28 \ub9ac\ub4dc\uc640 \uad00\ub828\ud558\uc5ec \ub450 \ubcc0\uc555\uae30 \ubaa8\ub450\uc5d0 \uc801\uc6a9\ub41c\ub2e4.<\/p>\n<h3>\uc804\uae30 \ubcc0\uc555\uae30\ub294 \uc5b4\ub5bb\uac8c \uc5f0\uacb0\ud558\ub098\uc694?<\/h3>\n<p>CT\uc640 \uac19\uc740 \uacc4\uce21 \ubcc0\uc555\uae30\uc758 \uacbd\uc6b0: \ube44\uc728\uacfc \ubd80\ud558\ub97c \ud655\uc778\ud558\uace0, \ubcc0\uc555\uae30\ub97c \uaca9\ub9ac\ud558\uc5ec \uc804\uc6d0\uc774 \uaebc\uc84c\ub294\uc9c0 \ud655\uc778\ud558\uace0, 2\ucc28 \uce21\uc744 \ub2e8\ub77d\uc2dc\ud0a4\uace0, \uc5b4\ub5a4 \ub9ac\ub4dc\uac00 P1\uc5d0 \ud574\ub2f9\ud558\ub294\uc9c0, \uc5b4\ub5a4 \ub9ac\ub4dc\uac00 S1\uc5d0 \ud574\ub2f9\ud558\ub294\uc9c0 \uc2dd\ubcc4\ud569\ub2c8\ub2e4; S1\uacfc S2\uac00 \uae30\uae30\uc758 \uac01 \uc785\ub825\uc73c\ub85c \uc5f0\uacb0\ub418\ub3c4\ub85d \uc801\uc808\ud55c \ud06c\uae30\uc758 2\ucc28 \ucf00\uc774\ube14\uc744 \uc5f0\uacb0\ud558\uace0, \ud55c \uc9c0\uc810\uc5d0\uc11c 2\ucc28\ub97c \uc811\uc9c0\ud558\uace0, \uc5f0\uacb0\uc744 \ub77c\ubca8\ub9c1\ud558\uace0 \ud1a0\ud06c\ub97c \uc870\uc815\ud55c \ud6c4, \uc811\uc9c0\ub97c \uc81c\uac70\ud569\ub2c8\ub2e4; \ub9c8\uc9c0\ub9c9\uc73c\ub85c, \uadf9\uc131\uacfc \ube44\uc728\uc744 \ud655\uc778\ud558\uae30 \uc704\ud574 \uc2dc\uc2a4\ud15c\uc5d0 \uc54c\ub824\uc9c4 \ud45c\uc900\uc744 \uc8fc\uc785\ud569\ub2c8\ub2e4. \uc804\ub825 \ubcc0\uc555\uae30\ub97c \uc5f0\uacb0\ud558\ub294 \uacfc\uc815\uc740 \uc774 \uc808\ucc28\uc640 \ub2e4\ub974\uc9c0\ub9cc, \ubd80\ud558\ub97c \uc778\uac00\ud558\uae30 \uc804\uc5d0 \uac1c\ubcc4\uc801\uc73c\ub85c \uc815\uaca9, \uadf9\uc131, \uc811\uc9c0 \ubc0f \ud14c\uc2a4\ud2b8\ub97c \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<h2>\ucc38\uace0 \ubb38\ud5cc<\/h2>\n<ul>\n<li><a href=\"https:\/\/standards.ieee.org\/\" rel=\"nofollow noopener\" target=\"_blank\">IEEE \u2014 C57.13, \uacc4\uce21 \ubcc0\uc555\uae30\uc5d0 \ub300\ud55c \ud45c\uc900 \uc694\uad6c \uc0ac\ud56d<\/a><\/li>\n<li><a href=\"https:\/\/www.iec.ch\/\" rel=\"nofollow noopener\" target=\"_blank\">IEC \u2014 61869 \uc2dc\ub9ac\uc988, \uacc4\uce21 \ubcc0\uc555\uae30<\/a><\/li>\n<li><a href=\"https:\/\/www.nfpa.org\/\" rel=\"nofollow noopener\" target=\"_blank\">NFPA \u2014 \uad6d\uac00 \uc804\uae30 \uaddc\uc815 (\uacc4\uce21 \ubcc0\uc555\uae30 \ud68c\ub85c)<\/a><\/li>\n<li><a href=\"https:\/\/www.netaworld.org\/\" rel=\"nofollow noopener\" target=\"_blank\">NETA \u2014 \uc804\ub825 \uc7a5\ube44\uc5d0 \ub300\ud55c \uc218\uc6a9 \ud14c\uc2a4\ud2b8 \uc0ac\uc591<\/a><\/li>\n<\/ul>\n<h2>\uacb0\ub860<\/h2>\n<p>\uc804\ub958 \ubcc0\uc555\uae30\uc758 \uc124\uce58\ub294 \uc911\uc694\ud558\uc9c0 \uc54a\uc740 \uc791\uc5c5\ucc98\ub7fc \ubcf4\uc77c \uc218 \uc788\uc9c0\ub9cc \ub9ce\uc740 \uc911\uc694\uc131\uc744 \uc9c0\ub2d9\ub2c8\ub2e4. \uc804\ub958 \ubcc0\uc555\uae30\uc758 \uae30\ub2a5\uc740 \uc804\uc120\uc5d0 \ud750\ub974\ub294 1\ucc28 \uc804\ub958\uc758 \uc591\uc744 \uacc4\ub7c9\uae30 \ub610\ub294 \ub9b4\ub808\uc774\uc5d0 \ub300\ud55c \uc548\uc804\ud55c \ud310\ub3c5\uac12\uc73c\ub85c \uc904\uc774\ub294 \uac83\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc774 \uc791\uc5c5\uc774 \uc7a5\uae30\uc801\uc73c\ub85c \uc5bc\ub9c8\ub098 \uc911\uc694\ud55c\uc9c0 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. 1\ucc28 \uc804\uc120(P1)\uc740 \uc804\uc6d0\uc73c\ub85c \uc5f0\uacb0\ud574\uc57c \ud558\uba70, 2\ucc28 \uc804\uc120(S1)\uc740 \uc804\ub958 \ubcc0\uc555\uae30\uc5d0\uc11c \uacc4\ub7c9\uae30 \ub610\ub294 \ub9b4\ub808\uc774\ub85c \uc5f0\uacb0\ub429\ub2c8\ub2e4. 3\uc0c1 \uacc4\ub7c9\uae30\ub97c \ubc30\uc120\ud558\ub294 \uacbd\uc6b0, \ud68c\ub85c\ub294 \ubcc4 \ubaa8\uc591\uc73c\ub85c \ubc30\uc120\ub418\uc5b4\uc57c \ud558\uba70, \ub2e8\uc77c \uc9c0\uc810\uc5d0\uc11c \uc811\uc9c0\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc794\uc5ec \uc804\ub958\uc5d0 \ub300\ud574 \ucf54\uc5b4 \ubc38\ub7f0\uc2a4 CT\ub97c \uc0ac\uc6a9\ud558\uace0, \ubd80\ud558\uc5d0 \ub530\ub77c 2\ucc28 \uc804\uc120\uc758 \ud06c\uae30\ub97c \uc801\uc808\ud788 \uc870\uc815\ud574\uc57c \ud569\ub2c8\ub2e4. \uc804\uc6d0\uc744 \uc778\uac00\ud558\uae30 \uc804\uc5d0 \ud56d\uc0c1 \ud14c\uc2a4\ud2b8 \ube14\ub85d\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud68c\ub85c\ub97c \ub2e8\ub77d\uc2dc\ud0a4\uace0, 1\ucc28 \uce21\uc5d0 \uc804\ub958\uac00 \ud750\ub974\uace0 \uc788\ub294 \ud55c \ud68c\ub85c\ub97c \ub04a\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uba3c\uc800 1\ucc28 \uc8fc\uc785\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud310\ub3c5\uac12\uc744 \ud655\uc778\ud558\uace0, \uc774\ud6c4 \ucc38\uc870\ub97c \uc704\ud574 \uc2dc\ud2b8\uc5d0 \ube44\uc728\uc744 \uae30\ub85d\ud558\uc2ed\uc2dc\uc624.<\/p>","protected":false},"excerpt":{"rendered":"<p>A current transformer (CT) is a device used with a metering\/protecting system for measuring large amounts of current\/levels that are not directly measurable; it converts current from 400, 1000 and 3000 A into a usable value of 5 or 1 A. This change happens under certain conditions that must be followed by the CT device: [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":11534,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-11533","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/subian-electric.com\/ko\/wp-json\/wp\/v2\/posts\/11533","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\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/subian-electric.com\/ko\/wp-json\/wp\/v2\/comments?post=11533"}],"version-history":[{"count":3,"href":"https:\/\/subian-electric.com\/ko\/wp-json\/wp\/v2\/posts\/11533\/revisions"}],"predecessor-version":[{"id":11548,"href":"https:\/\/subian-electric.com\/ko\/wp-json\/wp\/v2\/posts\/11533\/revisions\/11548"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/subian-electric.com\/ko\/wp-json\/wp\/v2\/media\/11534"}],"wp:attachment":[{"href":"https:\/\/subian-electric.com\/ko\/wp-json\/wp\/v2\/media?parent=11533"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/subian-electric.com\/ko\/wp-json\/wp\/v2\/categories?post=11533"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/subian-electric.com\/ko\/wp-json\/wp\/v2\/tags?post=11533"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}