{"id":11744,"date":"2026-10-18T01:14:28","date_gmt":"2026-10-17T17:14:28","guid":{"rendered":"https:\/\/subian-electric.com\/?p=11744"},"modified":"2026-10-18T01:20:22","modified_gmt":"2026-10-17T17:20:22","slug":"transformers-are-sized-to-the-motor-drive-kva-requirement","status":"publish","type":"post","link":"https:\/\/subian-electric.com\/ko\/blog\/transformers-are-sized-to-the-motor-drive-kva-requirement\/","title":{"rendered":"\ubcc0\uc555\uae30\ub294 \ubaa8\ud130 \ub4dc\ub77c\uc774\ube0c kVA \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub9de\uac8c \ud06c\uae30\uac00 \uc870\uc815\ub429\ub2c8\ub2e4."},"content":{"rendered":"<p>\uc774 \uc801\uc6a9 \ubc29\uc2dd\uc5d0 \ub530\ub77c \ubcc0\uc555\uae30\/\ubaa8\ud130 \uc815\ubcf4\ub294 \ubd88\ud544\uc694\ud558\ub2e4\uace0 \uc0dd\uac01\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ubaa8\ud130\uc640 \uc9c1\uc811 \uc5f0\uacb0\ub41c \ubcc0\uc555\uae30\uac00 \ubaa8\ud130\uc758 \uc774\ub984\ud45c\uc640 \uc77c\uce58\ud558\ub294 \ubcc0\uc555\uae30 \uc751\uc6a9 \ub4f1\uae09\uc744 \uac00\uc9c0\uace0 \uc788\uc9c0 \uc54a\uae30 \ub54c\ubb38\uc5d0 \ubcc0\uc555\uae30\uc758 \uc815\ud655\ud55c \ub4f1\uae09\uc744 \uc81c\uacf5\ud558\uc9c0 \uc54a\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ubcc0\uc555\uae30\uc758 \uc751\uc6a9 \ub4f1\uae09\uc740 \uc2e4\uc81c\ub85c \ubaa8\ud130\uac00 \uc778\ubc84\ud130\ub85c\uc11c \uc18c\ube44\ud558\ub294 \uac89\ubcf4\uae30 \uc804\ub825\uc758 \uc591\uc5d0 \uae30\ubc18\ud558\uba70, \ubaa8\ud130 \uc774\ub984\ud45c\uc5d0\ub294 \uc774\ub7ec\ud55c \ub9e4\uac1c\ubcc0\uc218 \uc911 \uc5b4\ub290 \uac83\ub3c4 \ud45c\uc2dc\ub418\uc5b4 \uc788\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc131\uacf5\uc801\uc778 \uc778\ubc84\ud130 \uad6c\uc131\uc744 \ub9cc\ub4e4\uae30 \uc704\ud574\uc11c\ub294 \ub450 \uac1c\uc758 \ub9e4\uac1c\ubcc0\uc218\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<blockquote><p>\uacb0\ub860\uc801\uc73c\ub85c, \ubaa8\ud130 \uacf5\uae09 \ubcc0\uc555\uae30\uc5d0 \uc120\ud0dd\ub41c \ub4f1\uae09\uc740 \ubcc0\uc555\uae30\uc758 kVA\uc5d0 \uae30\ubc18\ud574\uc57c \ud558\uba70, kW \ub4f1\uae09\uc774 \uc544\ub2cc kVA \ub4f1\uae09\uc5d0 \uae30\ubc18\ud574\uc57c \ud569\ub2c8\ub2e4. \ubcc0\uc555\uae30\ub97c \uc815\ud655\ud558\uac8c \ud06c\uae30\ub97c \ub9de\ucd94\uae30 \uc704\ud574\uc11c\ub294 \uc138 \uac00\uc9c0 \uc2dc\ubbac\ub808\uc774\uc158\uc774 \uc644\ub8cc\ub418\uc5b4\uc57c \ud558\uba70, \ubcc0\uc555\uae30 kVA \ub4f1\uae09\uc740 \uac00\uc7a5 \ub192\uc740 kVA \ub4f1\uae09\uc758 \ubaa8\ud130\ubcf4\ub2e4 \ub450 \ubc30 \ud06c\uace0, \ubcc0\uc555\uae30\uc5d0 \uc5f0\uacb0\ub41c \ubaa8\ub4e0 \ubd80\ud558\uc758 \ucd1d kVA \ub4f1\uae09\ubcf4\ub2e4 1.25\ubc30 \ucee4\uc57c \ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \ubaa8\ud130\uc758 \ucd1d \ubd80\ud558 \uc804\ub958\ub294 \ubcc0\uc555\uae30(\ub4e4)\uc758 \ucd1d \ubd80\ud558 \uc804\ub958\uc758 65%\ub97c \ucd08\uacfc\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4. \ubaa8\ud130\ub97c \uc2dc\uc791\ud560 \ub54c, \ubaa8\ud130\uc758 \uc7a0\uae08 \ub85c\ud130 kVA\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc2dc\uc791\ud558\ub294 \ubcc0\uc555\uae30\uc758 \ub2e8\ub77d kVA\ub85c \ub098\ub208 \uac12\uc758 80~85%\ub97c \ucd08\uacfc\ud558\ub294 \uc804\uc555 \uac15\ud558\uac00 \uc5c6\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uac00\ubcc0 \uc8fc\ud30c\uc218 \ub4dc\ub77c\uc774\ube0c(VFD) \ubd80\ud558\ub97c \uc0ac\uc6a9\ud560 \ub54c\ub294 K \ub4f1\uae09 \ubcc0\uc555\uae30\ub97c \uc0ac\uc6a9\ud574\uc57c \ud558\uba70, \ud45c\uc900 \ubcc0\uc555\uae30\ub294 6\ud384\uc2a4 \uc815\ub958 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uace0\uc870\ud30c \uc804\ub958\ub97c \ucc98\ub9ac\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p><\/blockquote>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-11745\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/10\/Transformers-Are-Sized-to-the-Motor-Drive-kVA-Requirement.webp\" alt=\"\ubcc0\uc555\uae30\ub294 \ubaa8\ud130 \ub4dc\ub77c\uc774\ube0c kVA \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub9de\uac8c \ud06c\uae30\uac00 \uc870\uc815\ub429\ub2c8\ub2e4.\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2>\ubcc0\uc555\uae30\uac00 kW\uac00 \uc544\ub2cc kVA\ub85c \uc815\uaca9\ud654\ub418\ub294 \uc774\uc720<\/h2>\n<p>\uc815\uaca9\uc740 \uac89\ubcf4\uae30 \uc804\ub825\uc73c\ub85c \uce21\uc815\ub418\uba70, \ubcc0\uc555\uae30\ub294 \uc5f0\uacb0\ub41c \ubd80\ud558\uac00 \ubb34\uc5c7\uc774\ub4e0 \uc804\uccb4 \uc804\ub958\ub97c \ucc98\ub9ac\ud574\uc57c \ud569\ub2c8\ub2e4. \uc190\uc2e4\uc740 \uc8fc\ub85c \uc804\ub958(\uad6c\ub9ac \uc190\uc2e4\uc740 I\u00b2R \uacc4\uc0b0\uc5d0 \ub530\ub77c)\uc640 \uc804\uc555(\ucf54\uc5b4 \uc190\uc2e4)\uc73c\ub85c \ubc1c\uc0dd\ud558\uba70, \ubd80\ud558\uac00 \uc800\ud56d\uc131\uc778\uc9c0 \uc720\ub3c4\uc131\uc778\uc9c0\uc5d0 \uad00\uacc4\uc5c6\uc774 \uc911\uc694\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. 100 kVA \ubcc0\uc555\uae30\uac00 0.8 \uc5ed\ub960\ub85c \ubd80\ud558\uc5d0 \uc804\ub825\uc744 \uacf5\uae09\ud560 \uacbd\uc6b0 80 kW\ub97c \uc81c\uacf5\ud558\uba70, \ub3d9\uc77c\ud55c \ubcc0\uc555\uae30\uac00 0.95 \uc5ed\ub960\ub85c \ubd80\ud558\uc5d0 \uc804\ub825\uc744 \uacf5\uae09\ud560 \uacbd\uc6b0 95 kW\uc758 \uc804\ub825\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc804\ub958\ub294 \ub3d9\uc77c\ud558\uc9c0\ub9cc \uacb0\uacfc\ub294 \ub2e4\ub985\ub2c8\ub2e4.<\/p>\n<p>\uc774 \ub54c\ubb38\uc5d0 \ubaa8\ud130 \ubd80\ud558\ub294 \ubcc0\uc555\uae30 \uc6a9\ub7c9\uacfc \ube44\uad50\ud558\uae30 \uc804\uc5d0 kW\ub85c \ubcc0\ud658\ud574\uc57c \ud569\ub2c8\ub2e4. \uc0bc\uc0c1 \ubaa8\ud130\uc758 \uacbd\uc6b0:<\/p>\n<p>kVA =\u221a3\u00d7VL-L\u00d7I\/1000<\/p>\n<p>\ub2e8\uc0c1\uc5d0\uc11c\ub294 \u221a3\uc744 \uc0dd\ub7b5\ud569\ub2c8\ub2e4. \uc5b4\uca0c\ub4e0, \uacc4\uc0b0\uc740 \ubaa8\ub4e0 \uacbd\ud5d8 \ubc95\uce59\uc774 \uc801\uc6a9\ub418\uae30 \uc804\uc5d0 \ubc18\ub4dc\uc2dc \uc62c\ubc14\ub974\uac8c \ud574\uc57c \ud558\ub294 \uc720\uc77c\ud55c \uc0ac\ud56d\uc774\uba70, \uc774 \uac00\uc774\ub4dc\uc5d0\uc11c\ub294 \uc804\ub825 \uacc4\uc218 \uac00\uc815\uc744 \ud3ec\ud568\ud55c \uc804\uccb4 \ubc29\ubc95\uc774 \uc124\uba85\ub429\ub2c8\ub2e4. <a href=\"https:\/\/subian-electric.com\/ko\/news\/how-to-calculate-kva-for-three-phase-power-subian-electric-has-the-answer\/\">\uc0bc\uc0c1 \uc804\ub825\uc758 kVA \uacc4\uc0b0<\/a>.<\/p>\n<p>\u201ckVA \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub9de\uac8c \ud06c\uae30\uac00 \uc870\uc815\ub428\u201d\uc774\ub77c\ub294 \uc6a9\uc5b4\uac00 \ubcf4\uc774\ub294 \uac83\ubcf4\ub2e4 \ub354 \uc815\ud655\ud55c \uc774\uc720\ub294 \uc815\uc758\uc5d0 \uc791\ub3d9 \uc911\uc778 \uac12, \uc2dc\uc791 \uc870\uac74\uc758 \uac12 \ubc0f \uace0\uc870\ud30c \uc131\ubd84\uc774 \ud3ec\ud568\ub418\uba70, \ubcc0\uc555\uae30\ub294 \uc774 \uc138 \uac00\uc9c0 \uac12\uc744 \ub3d9\uc2dc\uc5d0 \uacac\ub38c\uc57c \ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n<h2>\ubaa8\ud130\uac00 \uc81c\uacf5\ud558\ub294 \ub124 \uac00\uc9c0 \uc22b\uc790<\/h2>\n<p>\ubaa8\ub4e0 \ud558\ub958\ub294 \ub124 \uac1c\uc758 \ub370\uc774\ud130 \ud3ec\uc778\ud2b8\uc5d0\uc11c \ub098\uc624\uba70, \uadf8 \uc911 \uc138 \uac1c\ub294 \uba85\ud310\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. \uc815\uaca9 \uc6a9\uc5b4\uc5d0\uc11c \uac01 \uc22b\uc790\uac00 \uc758\ubbf8\ud558\ub294 \ubc14\uac00 \uc911\uc694\ud569\ub2c8\ub2e4. \ubaa8\ud130\uc758 \ub124 \uc22b\uc790\ub294 \ubcc0\uc555\uae30\uac00 \uc9c0\uc815\ub41c \ub124 \uc22b\uc790\uc640 \ub3d9\uc77c\ud558\uc9c0 \uc54a\uc73c\uba70, \ucc28\uc774\ub294 \uc774 \uac1c\uc694\uc5d0\uc11c \uc124\uba85\ub429\ub2c8\ub2e4. <a href=\"https:\/\/subian-electric.com\/ko\/blog\/what-is-a-kva-transformer\/\">\ubcc0\uc555\uae30\uc758 kVA \uc815\uaca9\uc774 \uc2e4\uc81c\ub85c \ub098\ud0c0\ub0b4\ub294 \uac83<\/a>.<\/p>\n<table>\n<tbody>\n<tr>\n<th>\uc22b\uc790<\/th>\n<th>\ucd9c\ucc98<\/th>\n<th>\uc6a9\ub3c4<\/th>\n<\/tr>\n<tr>\n<td>\uc815\uaca9 \ucd9c\ub825 (kW \ub610\ub294 HP)<\/td>\n<td>\uba85\ud310<\/td>\n<td>\ud06c\uae30 \uc870\uc815 \ub9e5\ub77d\ub9cc \u2014 \ubcc0\uc555\uae30 \ubd80\ud558\uac00 \uc544\ub2d8<\/td>\n<\/tr>\n<tr>\n<td>\uc815\uaca9 \uc804\ub958 (FLA)<\/td>\n<td>\uba85\ud310, \ub610\ub294 NEC \ud14c\uc774\ube14 430.248 \/ 430.250<\/td>\n<td>\uc6b4\uc804 kVA, \ubc0f 125% \ub3c4\uccb4 \ud06c\uae30<\/td>\n<\/tr>\n<tr>\n<td>\uc11c\ube44\uc2a4 \uacc4\uc218 \ubc0f \ud6a8\uc728\uc131<\/td>\n<td>\uba85\ud310<\/td>\n<td>\ud604\uc2e4\uc801\uc778 \uc6b4\uc804 \uc218\uc694<\/td>\n<\/tr>\n<tr>\n<td>NEMA \ucf54\ub4dc \ubb38\uc790<\/td>\n<td>\uba85\ud310<\/td>\n<td>\uc7a0\uae08 \ud68c\uc804 kVA \ub2f9 \ub9c8\ub825 \u2014 \uc2dc\uc791 \ubd80\ud558<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>NEMA \ucf54\ub4dc \ubb38\uc790\ub294 \uc0ac\ub78c\ub4e4\uc774 \uac74\ub108\ub6f0\ub294 \uac83\uc774\uba70, \ud06c\uae30\ub97c \uacb0\uc815\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774\ub294 \uc7a0\uae08 \ud68c\uc804 kVA\ub97c \ub9c8\ub825\ub2f9 \ud45c\ud604\ud558\uba70, \uc54c\ud30c\ubcb3\uc744 \ub530\ub77c 7\ubc30\uc758 \ucc28\uc774\ub97c \ubcf4\uc785\ub2c8\ub2e4.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-11746\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/10\/The-Four-Numbers-a-Motor-Gives-You.webp\" alt=\"\ubaa8\ud130\uac00 \uc81c\uacf5\ud558\ub294 \ub124 \uac00\uc9c0 \uc22b\uc790\" width=\"1448\" height=\"1086\" \/><\/p>\n<table>\n<tbody>\n<tr>\n<th>\ucf54\ub4dc \ubb38\uc790<\/th>\n<th>\uc7a0\uae08 \ud68c\uc804 kVA \ub2f9 HP<\/th>\n<th>\ucf54\ub4dc \ubb38\uc790<\/th>\n<th>\uc7a0\uae08 \ud68c\uc804 kVA \ub2f9 HP<\/th>\n<\/tr>\n<tr>\n<td>A<\/td>\n<td>3.15<\/td>\n<td>J<\/td>\n<td>7.2\u20138.0<\/td>\n<\/tr>\n<tr>\n<td>B<\/td>\n<td>3.16\u20133.55<\/td>\n<td>K<\/td>\n<td>8.1\u20139.0<\/td>\n<\/tr>\n<tr>\n<td>E<\/td>\n<td>4.6\u20135.0<\/td>\n<td>L<\/td>\n<td>9.1\u201310.0<\/td>\n<\/tr>\n<tr>\n<td>F<\/td>\n<td>5.1\u20135.6<\/td>\n<td>M<\/td>\n<td>10.1\u201311.2<\/td>\n<\/tr>\n<tr>\n<td><strong>G<\/strong><\/td>\n<td><strong>5.7\u20136.3<\/strong><\/td>\n<td>N<\/td>\n<td>11.3\u201312.5<\/td>\n<\/tr>\n<tr>\n<td>H<\/td>\n<td>6.4\u20137.1<\/td>\n<td>P \ubc0f \uadf8 \uc774\uc0c1<\/td>\n<td>12.6\u201322.4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>NEMA \ucf54\ub4dc G\ub294 NEMA \uc81c\uc870\uc5c5\uccb4 \uae30\uc900 B \uc124\uacc4\ub97c \uc900\uc218\ud558\ub294 \ubaa8\ud130\ub97c \ub098\ud0c0\ub0b4\uba70, \ub300\ubd80\ubd84\uc758 \uc0b0\uc5c5\uc6a9 \ubaa8\ud130\ub3c4 \uc774\ub7ec\ud55c \uae30\uc900\uc5d0 \ub530\ub77c \uc124\uacc4\ub429\ub2c8\ub2e4. NEMA \ucf54\ub4dc A\ub294 \ub0ae\uc740 \uc2dc\uc791 \uc804\ub958\ub97c \uac00\uc9c4 \ubaa8\ud130\ub97c \uc9c0\uc815\ud558\uba70, \ucf54\ub4dc N \ubc0f \uadf8 \uc774\uc0c1\uc740 \uc6b4\uc804 \ubd80\ud558\ub97c \uae30\ubc18\uc73c\ub85c \uc124\uacc4\ub41c \ubcc0\uc555\uae30\uc5d0 \ub9ce\uc740 \ubd80\ub2f4\uc744 \uc8fc\ub294 \ubaa8\ud130\ub97c \ubd84\ub958\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc7a0\uae08 \ud68c\uc804 kVA = HP \u00d7 kVA\/HP\ub77c\ub294 \ubc29\uc815\uc2dd\uc740 \ucf54\ub4dc\uc5d0 \ub530\ub77c 5 HP\uc758 \ucf54\ub4dc G\ub85c \uc815\uaca9\ub41c \ubaa8\ud130\uc5d0 \ub300\ud574 30 kVA\uc758 kVA\ub97c \uc81c\uacf5\ud558\uba70, \uc6b4\uc804 \ubd80\ud558\ub294 6.4 kVA\ub97c \uc694\uad6c\ud558\ubbc0\ub85c, \uc774\ub85c \uc778\ud574 \uc6b4\uc804 \ubd80\ud558\ub9cc\uc744 \uae30\ubc18\uc73c\ub85c \ud55c \uacc4\uc0b0\uc774 \uc774 \uc694\uc778\uc5d0 \uc758\ud574 \uc798\ubabb\ub429\ub2c8\ub2e4.<\/p>\n<h2>\uc2dc\uc791 \ubc29\ubc95\uc774 \ubaa8\ud130 \ud06c\uae30\ubcf4\ub2e4 \ub2f5\uc744 \ub354 \ub9ce\uc774 \ubcc0\uacbd\ud569\ub2c8\ub2e4.<\/h2>\n<p>\ub3d9\uc77c\ud55c \ubaa8\ud130\uac00 \ub124 \uac00\uc9c0 \ub2e4\ub978 \ubc29\uc2dd\uc73c\ub85c \uc2e4\ud589\ub418\uba74 \ubcc0\uc555\uae30\uc5d0 \ub300\ud574 \ub124 \uac00\uc9c0 \ub2e4\ub978 \ubd80\ud558 \uc0ac\ub840\ub97c \uc81c\uc2dc\ud558\uba70, \uc5ec\uae30\uc11c \ubcc0\uc555\uae30\uc5d0 \ub300\ud55c \uc0ac\uc591\uc744 \uac1c\uc120\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<table>\n<tbody>\n<tr>\n<th>\uae30\ub3d9 \ubc29\ubc95<\/th>\n<th>FLA\uc758 \uc804\ub958 \ubc30\uc218<\/th>\n<th>\ub300\ub7b5\uc801\uc778 \uae30\ub3d9 kVA<\/th>\n<th>\uc808\ucda9<\/th>\n<\/tr>\n<tr>\n<td>\uc9c1\uc811 \uc5f0\uacb0 (DOL)<\/td>\n<td>6\u20138\u00d7<\/td>\n<td>5\u20137\u00d7 \uc6b4\uc804 kVA<\/td>\n<td>\uc804\uccb4 \ubd84\ub9ac \ud1a0\ud06c; \ubcc0\uc555\uae30\uc5d0 \uac00\uc7a5 \ub098\uc068<\/td>\n<\/tr>\n<tr>\n<td>\uc2a4\ud0c0-\ub378\ud0c0<\/td>\n<td>2\u20133\u00d7<\/td>\n<td>2\u20133\u00d7 \uc6b4\uc804 kVA<\/td>\n<td>\uae30\ub3d9 \ud1a0\ud06c\ub97c \uc57d 3\ubd84\uc758 1\ub85c \uc904\uc784<\/td>\n<\/tr>\n<tr>\n<td>\uc18c\ud504\ud2b8 \uc2a4\ud0c0\ud130<\/td>\n<td>1.5\u20134\u00d7<\/td>\n<td>2\u20133\u00d7 \uc6b4\uc804 kVA<\/td>\n<td>\uc870\uc815 \uac00\ub2a5\ud55c \ub7a8\ud504, \ub0ae\uc740 \uae30\uacc4\uc801 \uc2a4\ud2b8\ub808\uc2a4<\/td>\n<\/tr>\n<tr>\n<td>VFD<\/td>\n<td>1\u20131.5\u00d7<\/td>\n<td>1\u20131.5\u00d7 \uc6b4\uc804 kVA<\/td>\n<td>\uace0\uc870\ud30c\uac00 K \uc815\uaca9 \ubcc0\uc555\uae30\ub97c \uac15\uc81c\ud568<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\uac04\ub2e8\ud788 \ub9d0\ud574, \uc9c1\uc811 \uc5f0\uacb0\ub41c \ubaa8\ud130\uc5d0 VFD\ub97c \uc124\uce58\ud558\uba74 \ubcc0\uc555\uae30\uc758 \ud544\uc694\uc131\uc744 \ud06c\uac8c \uc904\uc77c \uc218 \uc788\uc73c\uba70, \uadf8 \uacb0\uacfc \ube44\uc6a9\uc740 \ub300\ubd80\ubd84\uc758 \uacbd\uc6b0 \ub2e4\uc74c\uc73c\ub85c \ud070 \ubcc0\uc555\uae30\ubcf4\ub2e4 \ub0ae\uc2b5\ub2c8\ub2e4. \uc774\uac83\uc774 \uae30\ub3d9 \uae30\uc220\uc774 \ud06c\uae30\ub97c \uacb0\uc815\ud560 \ub54c \uace0\ub824\ub418\uc5b4\uc57c \ud558\ub294 \uc774\uc720\uc785\ub2c8\ub2e4.<\/p>\n<p>\ubb38\uc81c\ub294 VFD \uae30\uc220\uc744 \ubcc0\uc555\uae30\ub97c \ucd95\uc18c\ud558\ub294 \ubc29\ubc95\uc73c\ub85c \uc0dd\uac01\ud558\ub294 \ub370\uc11c \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uae30\uc220\uc774 \ub3cc\uc785 \ubb38\uc81c\ub97c \uc81c\uac70\ud558\uc9c0\ub9cc \uace0\uc870\ud30c \ubb38\uc81c\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \ud45c\uc900 15 kVA \ubcc0\uc555\uae30\ub294 \ubcc0\uc555\uae30\uac00 \uc815\uaca9 \uc6a9\ub7c9\uc5d0 \ub3c4\ub2ec\ud558\uae30 \ud6e8\uc52c \uc804\uc5d0 5\ucc28 \ubc0f 7\ucc28 \uace0\uc870\ud30c\ub85c \uc778\ud574 \uacfc\uc5f4\ub420 \uac83\uc785\ub2c8\ub2e4. \uc774 \uacbd\uc6b0 \ub354 \ud070 \ubcc0\uc555\uae30 \ub300\uc2e0 K \uc815\uaca9 \ubcc0\uc555\uae30\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc138 \uac00\uc9c0 \ud06c\uae30 \uaddc\uce59\uacfc \uac01 \uaddc\uce59\uc758 \ucd9c\ucc98<\/h2>\n<p>\ud604\uc7a5\uc5d0\uc11c \uc138 \uac00\uc9c0 \uc9c0\uce68\uc774 \uc0ac\uc6a9\ub418\uba70, \uc774\ub4e4\uc740 \uace0\uc720\ud55c \ubb38\uc81c\ub97c \ub2e4\ub8e8\uba70, \uc88b\uc740 \uc124\uacc4\ub294 \uc774 \uc138 \uac00\uc9c0\ub97c \ubaa8\ub450 \uc874\uc911\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li>2\u00d7 \uc9c0\uce68. \ubcc0\uc555\uae30 kVA\ub294 \uac00\uc7a5 \ud070 \ubaa8\ud130\uc758 \uc6b4\uc804 kVA\ubcf4\ub2e4 \ucd5c\uc18c 2\ubc30 \ub354 \ucee4\uc57c \ud55c\ub2e4\uace0 \uba85\uc2dc\ud569\ub2c8\ub2e4. \uc774\ub294 \uc9c1\uc811 \uc5f0\uacb0 \uae30\ub3d9 \uc2dc \uc7a0\uae08 \ud68c\uc804 \ub3cc\uc785, \ub3d9\uc2dc\uc5d0 \uc2dc\uc791\ub418\ub294 \uc0e4\ud504\ud2b8 \ub610\ub294 \ubcf4\uc870 \uc7a5\uce58, \uadf8\ub9ac\uace0 \ubaa8\ud130\uac00 \ud68c\uc804\ud558\uae30 \uc804\uc5d0 \uc804\uc555 \uac15\ud558\ub97c \uc720\ubc1c\ud558\ub294 \ubcc0\uc555\uae30 \uc784\ud53c\ub358\uc2a4\ub97c \uace0\ub824\ud55c \ud604\uc7a5 \uae30\ubcf8 \uc0ac\uc2e4 \uaddc\uce59\uc785\ub2c8\ub2e4.<\/li>\n<li>25\u00d7 \uac00\uc774\ub4dc\ub77c\uc778. \ubcc0\uc555\uae30\uc758 kVA\ub294 \uc5f0\uacb0\ub41c \ucd1d \ubd80\ud558 kVA\uc758 \ucd5c\uc18c 125% \uc774\uc0c1\uc774\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc774\ub294 \ubaa8\ub4e0 \uc7a5\uce58\uac00 \uc791\ub3d9\ud560 \ub54c \ubcc0\uc555\uae30 \uacfc\ubd80\ud558\ub97c \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n<li>65% \uac00\uc774\ub4dc\ub77c\uc778. \ubaa8\ud130\uc758 \uc815\uaca9 \uc804\ub958\ub294 \ubcc0\uc555\uae30\uc758 \uc815\uaca9 \uc804\ub958\uc758 \uc57d 65%\ub97c \ucd08\uacfc\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\ub530\ub77c\uc11c \uc704\uc758 \ub450 \uac12 \uc911 \ub354 \ud070 \uac12\uc744 \uc120\ud0dd\ud558\uace0 \uaddc\uce59 \ubc88\ud638 3\uc744 \uc801\uc6a9\ud569\ub2c8\ub2e4. \uaddc\uce59 2\ub294 \uc8fc\uc694 \ubaa8\ud130\uac00 \ud558\ub098\uc778 \uacbd\uc6b0\uc5d0 \uc801\uc6a9\ub418\uba70, \uaddc\uce59 1\uc740 \uc18c\ud615 \ubaa8\ud130\uac00 \uc5ec\ub7ec \uac1c \uc788\ub294 \uacbd\uc6b0\uc5d0 \uc801\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<table>\n<tbody>\n<tr>\n<th>\ubaa8\ud130<\/th>\n<th>\uc791\ub3d9 kVA (\ub300\ub7b5)<\/th>\n<th>2\u00d7 \uaddc\uce59<\/th>\n<th>\uc2e4\uc6a9 \uc7ac\uace0 \ud06c\uae30<\/th>\n<\/tr>\n<tr>\n<td>7 kW \/ 5 HP<\/td>\n<td>~5 kVA<\/td>\n<td>10 kVA<\/td>\n<td>10 \ub610\ub294 15 kVA<\/td>\n<\/tr>\n<tr>\n<td>5 kW \/ 7.5 HP<\/td>\n<td>~7 kVA<\/td>\n<td>14 kVA<\/td>\n<td>15 kVA<\/td>\n<\/tr>\n<tr>\n<td>5 kW \/ 10 HP<\/td>\n<td>~10 kVA<\/td>\n<td>20 kVA<\/td>\n<td>20 \ub610\ub294 25 kVA<\/td>\n<\/tr>\n<tr>\n<td>11 kW \/ 15 HP<\/td>\n<td>~14 kVA<\/td>\n<td>28 kVA<\/td>\n<td>30 kVA<\/td>\n<\/tr>\n<tr>\n<td>15 kW \/ 20 HP<\/td>\n<td>~19 kVA<\/td>\n<td>38 kVA<\/td>\n<td>45 kVA<\/td>\n<\/tr>\n<tr>\n<td>22 kW \/ 30 HP<\/td>\n<td>~28 kVA<\/td>\n<td>56 kVA<\/td>\n<td>63 \ub610\ub294 75 kVA<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\ud56d\uc0c1 \uadf8 \ub2e4\uc74c \ud45c\uc900 \ud06c\uae30\ub85c \uc62c\ub77c\uac00\uc2ed\uc2dc\uc624. \ud55c kVA \ud06c\uae30\uc640 \ub2e4\uc74c \ud06c\uae30 \uc0ac\uc774\uc758 \uac00\uaca9 \ucc28\uc774\ub294 \ub3c4\uad6c \ubcc0\uacbd \uacfc\ub3c4, \uac00\uc18d\/\uac10\uc18d \uc7ac\uc0dd \uc2dc\uc2a4\ud15c \ubc0f \ud5a5\ud6c4 \ubaa8\ud130 \uc5c5\uadf8\ub808\uc774\ub4dc \ube44\uc6a9\uc5d0 \ube44\ud574 \uc791\uc2b5\ub2c8\ub2e4.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-11747\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/10\/transformer-sizing-for-motors.webp\" alt=\"\ubaa8\ud130\uc6a9 \ubcc0\uc555\uae30 \ud06c\uae30 \uc870\uc815\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2>\uc608\uc81c: 5 HP, \ub2e8\uc0c1, \uace0\uad00\uc131 \ubd80\ud558<\/h2>\n<p>5 \ub9c8\ub825(5 HP), 230 \ubcfc\ud2b8(V) \ub2e8\uc0c1 \ubaa8\ud130\uac00 \uc655\ubcf5 \uc555\ucd95\uae30\ub97c \uad6c\ub3d9\ud569\ub2c8\ub2e4. \uc555\ucd95\uae30\uc758 \uad00\uc131\uc73c\ub85c \uc778\ud574 \ubaa8\ud130\ub294 \uc791\ub3d9\ud558\uae30 \uc804\uc5d0 \uba87 \ucd08 \ub3d9\uc548 \uc7a0\uae08 \ud68c\uc804 \uc0c1\ud0dc\uc5d0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\uc6b4\uc804 \uc804\ub958. \uad6d\uac00 \uc804\uae30 \uaddc\uc815(NEC) \ud45c 430.248\uc740 5 HP, 230 V \ub2e8\uc0c1 \ubaa8\ud130\uc758 \uc791\ub3d9 \uc804\ub958\ub97c 28 \uc554\ud398\uc5b4(28 A)\ub85c \uc9c0\uc815\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc6b4\uc804 kVA. \uacf5\uc2dd\uc740 230 \ubcfc\ud2b8\uc5d0 28 A\ub97c \uacf1\ud55c \ud6c4 1000\uc73c\ub85c \ub098\ub204\uba74 kVA\ub294 6.44(6.44 kVA)\uc785\ub2c8\ub2e4.<\/li>\n<li>\uba85\ud310 \ud655\uc778. \uad6d\uac00 \uc804\uae30 \uc81c\uc870\uc5c5\uccb4 \ud611\ud68c(NEMA) \ucf54\ub4dc G\ub294 \uac01 \ub9c8\ub825\uc5d0 \ub300\ud574 5.7\uc5d0\uc11c 6.3 kVA\uac00 \ud544\uc694\ud568\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \ud3c9\uade0\uac12\uc73c\ub85c 6 kVA\ub97c \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li>\uc7a0\uae08 \ud68c\uc804 kVA. kVA\ub294 5 HP\uc5d0 6 kVA\ub97c \uacf1\ud55c \uac12\uc73c\ub85c 30 kVA\uc640 \uac19\uc2b5\ub2c8\ub2e4.<\/li>\n<li>5 kVA \ubcc0\uc555\uae30\uc5d0\uc11c \ud14c\uc2a4\ud2b8. \uc784\ud53c\ub358\uc2a4\ub294 4.5% (4.5%)\uc774\uba70, \ub530\ub77c\uc11c \ub2e8\ub77d kVA\ub294 7.5\ub97c 0.045\ub85c \ub098\ub208 \uac12\uc73c\ub85c 167 kVA\uc785\ub2c8\ub2e4. \uc804\uc555 \uac15\ud558\ub294 30\uc744 167\ub85c \ub098\ub208 \uac12\uc73c\ub85c 18(18%)\uc785\ub2c8\ub2e4.<\/li>\n<li>15 kVA \ubcc0\uc555\uae30\uc5d0\uc11c \ud14c\uc2a4\ud2b8. \ub2e8\ub77d kVA\ub294 15\ub97c 0.045\ub85c \ub098\ub208 \uac12\uc73c\ub85c 333(333 kVA)\uc785\ub2c8\ub2e4. \uc804\uc555 \uac15\ud558\ub294 30\uc744 333\uc73c\ub85c \ub098\ub208 \uac12\uc73c\ub85c 9(9%)\uc785\ub2c8\ub2e4.<\/li>\n<li>65% \uaddc\uce59\uc758 \ubb38\uc81c\ub294 \uc911\uc694\ud569\ub2c8\ub2e4. 15 kVA \ubcc0\uc555\uae30\uc758 \uc815\uaca9 \uc804\ub958\ub294 65 \uc554\ud398\uc5b4(65 A)\uc785\ub2c8\ub2e4. \ubaa8\ud130\uc758 \uc815\uaca9 \uc804\ub958\ub294 28 \uc554\ud398\uc5b4(28 A)\ub85c, \uc774\ub294 \ub2e4\ub978 \uac83\uc758 43% (43%)\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc6b4\uc804 \ubd80\ud558\uc758 \uacb0\uacfc\ub294 7.5 kVA \ubcc0\uc555\uae30\uac00 \uc798 \uc791\ub3d9\ud558\uc9c0\ub9cc \uc2dc\uc791 \ubd80\ud558\ub294 15 kVA \ubcc0\uc555\uae30\uac00 \ud544\uc694\ud558\ub2e4\ub294 \uac83\uc744 \ubcf4\uc5ec\uc8fc\uc5c8\uc2b5\ub2c8\ub2e4. \ub450 \uc0ac\uc774\uc758 \uac04\uaca9\uc774 \ub17c\uc7c1\uc758 \uae30\ubcf8 \ud3ec\uc778\ud2b8\uc785\ub2c8\ub2e4.<\/p>\n<p>\uacc4\uc0b0\uc5d0 \ub300\ud55c \uacbd\uace0: \uc804\uc555 \uac15\ud558\ub294 Vd = (\uc720\uc785 kVA\ub97c \ubcc0\uc555\uae30\uc758 \ub2e8\ub77d kVA\ub85c \ub098\ub208 \ud6c4 100\uc744 \uacf1\ud55c \uac12) \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. 4.5\uc758 \ub2e8\uc704 \uc784\ud53c\ub358\uc2a4\ub97c \uac00\uc9c4 \ubcc0\uc555\uae30\ub294 \uc6a9\ub7c9\ubcf4\ub2e4 \uc57d 22\ubc30 \ud070 \ub2e8\ub77d \uc6a9\ub7c9\uc744 \uac00\uc9c0\uba70, \uc774\ub294 30 kVA\uc758 \uc720\uc785 kVA\uac00 15 kVA \ubcc0\uc555\uae30\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc644\ubcbd\ud558\uac8c \uc791\ub3d9\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4. \ub3d9\uc77c\ud55c kVA \uc6a9\ub7c9\uc758 \ub450 \ubcc0\uc555\uae30\ub294 \uc11c\ub85c \ub2e4\ub978 \uc784\ud53c\ub358\uc2a4 \ube44\uc728\ub85c \uc778\ud574 \uc11c\ub85c \ub2e4\ub978 \uc804\uc555 \uac15\ud558\ub97c \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc608\uc81c: 10 HP, \uc0bc\uc0c1, VFD\uc5d0\uc11c<\/h2>\n<p>10 HP, 460 V \ubc0f 14 A \uc815\uaca9 \uc804\ub958\uc758 \uc0bc\uc0c1 \ubaa8\ud130\uac00 VFD\ub85c \uc791\ub3d9\ub429\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\uc6b4\uc804 kVA\ub97c \uacc4\uc0b0\ud558\ub294 \uacf5\uc2dd\uc740 \uc6b4\uc804 kVA = 1.732 \u00d7 460 \u00d7 14 \u00f7 1,000 = 11.16 kVA\uc785\ub2c8\ub2e4.<\/li>\n<li>\ubaa8\ud130\uac00 VFD\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc2dc\uc791\ub420 \ub54c, \uc2dc\uc791 \uc804\ub958\ub97c \uc815\uaca9 \ubd80\ud558 \uc804\ub958\uc758 1-1.5\ubc30\ub85c \uc81c\ud55c\ud558\uc5ec \uc2dc\uc791 kVA\uac00 11\u201317 kVA \ubc94\uc704\uc5d0 \uc788\uac8c \ub429\ub2c8\ub2e4.<\/li>\n<li>\ubcc0\ub3d9\uc5d0 \ub300\ud55c \uc548\uc804 \uacc4\uc218 2\u00d7 \uaddc\uce59\uc774 \uc5ec\uc804\ud788 \uc801\uc6a9\ub418\ubbc0\ub85c, \uc774 \uacbd\uc6b0 2\u00d7 11.16 = 22 kVA\uac00 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc0ac\uc6a9\ub41c \ubcc0\uc555\uae30\uc758 \uc2e4\uc81c kVA\ub294 25 kVA\uac00 \ub429\ub2c8\ub2e4.<\/li>\n<li>\uace0\uc870\ud30c \ubb38\uc81c\ub294 \ubc1c\uc0dd\ud560 \uac83\uc785\ub2c8\ub2e4. 6-\ud384\uc2a4 \uc815\ub958\uae30\ub294 \uac15\ud55c 5\ucc28 \ubc0f 7\ucc28 \uace0\uc870\ud30c\ub97c \uac00\uc9c4 \uc65c\uace1\ub41c \uc804\ub958\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \ud574\ub2f9 \ubcc0\uc555\uae30\ub294 K\ub85c \uc815\uaca9\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li>\uc911\uc131\uc120\uc5d0 \ub300\ud574 \ud655\uc2e4\ud788 \ud574\uc57c \ud569\ub2c8\ub2e4. \uc0bc\uc911 \uace0\uc870\ud30c\ub294 \uc911\uc131\uc120\uc5d0 \ucd95\uc801\ub418\uc5b4 \uc11c\ub85c \uc0c1\uc1c4\ub418\uc9c0 \uc54a\uc73c\ubbc0\ub85c, \ubcc0\uc555\uae30\uc758 \ud574\ub2f9 K \uc815\uaca9\uc740 200%\uc5ec\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>\uc804\uc555 \uac15\ud558: \uc2e4\uc81c\ub85c \uacb0\uc815\uc744 \ub0b4\ub9ac\ub294 \uc81c\uc57d<\/h2>\n<p>\ubcc0\uc555\uae30\uac00 \uc5f4\uc801\uc73c\ub85c \ucda9\ubd84\ud560 \uc218 \uc788\uc9c0\ub9cc, \ubaa8\ud130\uac00 \uc791\uc5c5\uc744 \uc218\ud589\ud560 \uc218 \uc788\ub294\uc9c0 \uc5ec\ubd80\uc5d0 \ub530\ub77c \uc81c\ud55c \uae30\uc900\uc774 \ub0b4\ub824\uc624\uae30 \ub54c\ubb38\uc5d0 \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8\uc5d0\uc11c \uc81c\ub300\ub85c \uc791\ub3d9\ud558\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. NEMA \ub514\uc790\uc778 B \ubaa8\ud130\ub294 \uc7a0\uae08 \ud68c\uc804 \uc2dc \uc815\uaca9 \ubd80\ud558 \uc804\ub958\uc758 5\ubc30\uc5d0\uc11c 7\ubc30\ub97c \ub04c\uc5b4\ub2f9\uae38 \uc218 \uc788\uc9c0\ub9cc, \ud68c\uc804\ud558\uae30 \uc2dc\uc791\ud558\uba74 \uac10\uc18c\ud569\ub2c8\ub2e4. \uacf5\uae09\uc120\uacfc \ubcc0\uc555\uae30\uc758 \uacb0\ud569 \uc784\ud53c\ub358\uc2a4\uac00 \ubaa8\ud130 \uc804\uc555\uc744 \uba85\ubaa9\uac12\uc758 80% \uc774\ud558\ub85c \uc720\uc9c0\ud558\uba74, \ud30c\uad34 \ud1a0\ud06c\uac00 \uc2e4\ud328\ud558\uace0 \ubaa8\ud130\uac00 \uc815\uc9c0\ud558\uac8c \ub429\ub2c8\ub2e4.<\/p>\n<p>\ubd80\ub4dc\ub7ec\uc6b4 \uc635\uc158\uc744 \uc0ac\uc6a9\ud558\uba74 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub420 \uc218 \uc788\uc73c\uba70, \ubcc0\uc555\uae30\ub97c \ubaa8\ud130 \uadfc\ucc98\uc5d0 \ubc30\uce58\ud558\uba74 \uacf5\uae09\uc120\uc758 \uae38\uc774\ub97c \uc904\uc774\uace0 \ucd1d \uc784\ud53c\ub358\uc2a4\ub97c \ub0ae\ucd9c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubcc0\uc555\uae30\uc758 \ud06c\uae30\ub97c \ub298\ub9b4 \ub54c\ub294 \uadf8\ub85c \uc778\ud574 \ubc1c\uc0dd\ud558\ub294 \ube44\uc6a9 \uc808\uac10 \ud6a8\uacfc\ub97c \uc778\uc2dd\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \ub610\ud55c, \uc2dc\uc791 \ubc29\ubc95\ub3c4 \uc800\ub834\ud55c \uc194\ub8e8\uc158 \uc911 \ud558\ub098\ub85c, \uc801\uc6a9\ub41c \uc2dc\uc791 \ubc29\ubc95\uc774 \uc18c\ud504\ud2b8 \uc2a4\ud0c0\ud130(\uc815\uaca9 \ubd80\ud558 \uc804\ub958\uc758 2\ubc30\uc5d0\uc11c 4\ubc30)\uc640 VFD(\uc815\uaca9 \ubd80\ud558 \uc804\ub958\uc758 1\ubc30\uc5d0\uc11c 1.5\ubc30)\uc778 \uacbd\uc6b0\uc785\ub2c8\ub2e4.<\/p>\n<p>\ud5c8\uc6a9 \uac00\ub2a5\ud55c \uac15\ud558 \uc218\uce58\ub294 \ud558\ub958 \uc7a5\ube44\ub97c \uae30\uc900\uc73c\ub85c \ud569\ub2c8\ub2e4. \ubaa8\ud130\ub294 \uc57d 15%\uc5d0\uc11c 20%\uc758 \uac15\ud558\ub97c \uacbd\ud5d8\ud560 \uc218 \uc788\uc73c\uba70, \uc774\ub97c \uacac\ub51c \uc218 \uc788\uc2b5\ub2c8\ub2e4. VFD\uc640 \uad00\ub828\ud558\uc5ec \uc804\uc555 \uac15\ud558\uac00 \uc57d 10%\uc5d0\uc11c 15%\uc778 \uacbd\uc6b0 \uc0c1\ud669\uc774 \ud6e8\uc52c \ub354 \uc5b4\ub824\uc6cc\uc9c8 \uac83\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c VFD\uc640 \ubaa8\ud130\uac00 \ub3d9\uc77c\ud55c \ubcc0\uc555\uae30\ub97c \uc0ac\uc6a9\ud560 \uacbd\uc6b0, \ub354 \uc5c4\uaca9\ud55c \uc694\uad6c \uc0ac\ud56d\uc744 \uc900\uc218\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-11748\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/10\/Voltage-Dip-The-Constraint-That-Actually-Decides.webp\" alt=\"\uc804\uc555 \uac15\ud558 \uc2e4\uc81c\ub85c \uacb0\uc815\uc744 \ub0b4\ub9ac\ub294 \uc81c\uc57d\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2>\uc774\ubbf8 \ubcf4\uc720\ud558\uace0 \uc788\ub294 \ubcc0\uc555\uae30 \uc810\uac80\ud558\uae30<\/h2>\n<p>\ub300\ubd80\ubd84\uc758 \uacbd\uc6b0, \ub9ac\ud2b8\ub85c\ud54f \ud504\ub85c\uc81d\ud2b8\ub294 \ucc98\uc74c\ubd80\ud130 \uc2dc\uc791\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9 \uac00\ub2a5\ud55c \ubcc0\uc555\uae30\uac00 \ucd94\uac00 \ubaa8\ud130\ub97c \uc218\uc6a9\ud560 \uc218 \uc788\ub294\uc9c0 \uc5ec\ubd80\uac00 \uacfc\uc81c\uc785\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\uba3c\uc800 \uc774\ub984\ud310 kVA\uc640 \uc784\ud53c\ub358\uc2a4\ub97c \ud655\uc778\ud569\ub2c8\ub2e4(\uac00\uc815\ub41c \uac12\uc774 \uc544\ub2d8).<\/li>\n<li>\ub2e4\uc74c\uc73c\ub85c \uc0c8\ub85c\uc6b4 \ubaa8\ud130\ub97c \ud3ec\ud568\ud55c \uc804\uccb4 \ubd80\ud558\uc758 \ub3d9\uc791 kVA\ub97c \ub204\uc801\ud569\ub2c8\ub2e4.<\/li>\n<li>\uadf8\ub7f0 \ub2e4\uc74c \uc2dc\uc791 \ucf54\ub4dc \ubb38\uc790\uc5d0 \ub530\ub77c \uac00\uc7a5 \ud070 \ubaa8\ud130\uc758 \uc7a0\uae08 \ud68c\uc804 kVA\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/li>\n<li>\ubcc0\uc555\uae30\uc758 \ub2e8\ub77d kVA\uc5d0 \ub530\ub77c \uc804\uc555 \uac15\ud558\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/li>\n<li>\uadf8\ub7f0 \ub2e4\uc74c \ucd1d \ubd80\ud558\uc5d0 \ub300\ud574 65% \uc804\ub958 \uaddc\uce59\uc774 \uc900\uc218\ub418\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n<li>\ub9c8\uc9c0\ub9c9\uc73c\ub85c \uc608\uc0c1 \uc791\uc5c5 \uc8fc\uae30\uc5d0\uc11c \uc5f4 \uc5ec\uc720\ub97c \ud55c \uc9c0\uc810\ub9cc\uc774 \uc544\ub2c8\ub77c \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\ub2f5\ubcc0\uc774 \uacbd\uacc4\uc120\uc5d0 \uc788\uc744 \uacbd\uc6b0, \uc138 \uac00\uc9c0 \uac00\ub2a5\ud55c \uc870\uce58 \uc911 \ud558\ub098\ub97c \uc120\ud0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4 \u2014 \uc2dc\uc791 \ubc29\ubc95 \ubcc0\uacbd, \uc0c8\ub85c\uc6b4 \ubaa8\ud130\ub97c \uc704\ud55c \ubcc4\ub3c4\uc758 \ubcc0\uc555\uae30 \uc124\uce58, \ub610\ub294 \uac10\uc18c\ub41c \uc791\uc5c5 \uc870\uac74\uc5d0\uc11c \uc791\uc5c5\ud558\uae30\ub85c \ub3d9\uc758\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \ud604\uc7ac \ubcc0\uc555\uae30\uac00 \uc544\uc9c1 \uace0\uc7a5 \ub098\uc9c0 \uc54a\uc558\ub2e4\uace0 \ud574\uc11c \uc5ec\uc720 \uc6a9\ub7c9\uc774 \uc788\ub2e4\uace0 \uac00\uc815\ud560 \uc218\ub294 \uc5c6\uc2b5\ub2c8\ub2e4 \u2014 \uc808\uc5f0 \uc5f4\ud654\uc758 \uc720\ud615\uc740 \uac10\uc9c0\ud560 \uc218 \uc5c6\uc9c0\ub9cc, \uadf8 \uacb0\uacfc\ub294 \ubcf4\ud1b5 \ub2e4\uc74c \ub354\uc6b4 \uc2dc\uc98c\uc5d0 \ub098\ud0c0\ub0a9\ub2c8\ub2e4. \uc774 \ud3c9\uac00\uc758 \uacf5\uc2dd \ubc84\uc804\uc740 \ub2e4\uc74c \ubc29\ubc95\uc5d0 \ub530\ub77c \uc124\uc815\ub429\ub2c8\ub2e4. <a href=\"https:\/\/subian-electric.com\/ko\/news\/how-to-determine-if-a-transformer-meets-capacity-requirements\/\">\ubcc0\uc555\uae30\uac00 \uc6a9\ub7c9 \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud558\ub294\uc9c0 \uc5ec\ubd80\ub97c \uacb0\uc815\ud558\ub294 \ubc29\ubc95<\/a>.<\/p>\n<h2>\uc5f4 \uc5ec\uc720 \ubc0f 80% \uaddc\uce59<\/h2>\n<p>\ubcc0\uc555\uae30\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc5f0\uc18d \uc791\ub3d9\uc744 \uc704\ud574 \uc815\uaca9 \uc6a9\ub7c9\uc758 \uc57d 80%\uc5d0\uc11c \uc791\ub3d9\ud558\uba70, \uc774\ub294 \uc8fc\ubcc0 \uc870\uac74, \uace0\uc870\ud30c \uc190\uc2e4 \ubc0f \uac00\ub054 \uacfc\ubd80\ud558\uc5d0 \ub300\ud55c \ubcc0\ud654\ub97c \ud5c8\uc6a9\ud569\ub2c8\ub2e4. \uc774\uac83\uc774 \ubcc0\uc555\uae30 \uc124\uacc4\uc758 \u201c80% \uaddc\uce59\u201d\uc758 \ubcf8\uc9c8\uc785\ub2c8\ub2e4.<\/p>\n<p>\uc774 \uaddc\uce59\uc740 \ubaa8\ud130\uc758 \uacbd\uc6b0\uc640 \uac19\uc774 \uc5f0\uc18d \ubd80\ud558\ubcf4\ub2e4 \ubaa8\ud130\ub97c \ub2e4\ub8f0 \ub54c \ub354 \uad00\ub828\uc131\uc774 \ub192\uc2b5\ub2c8\ub2e4. \ubaa8\ud130 \ubd80\ud558\uc758 \uc791\ub3d9\uc740 \uc8fc\uae30\uc801\uc73c\ub85c \uc774\ub8e8\uc5b4\uc9d1\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uae30\uacc4 \uacf5\uad6c\ub294 \ud3c9\uade0\uc801\uc73c\ub85c 60% \ubd80\ud558\ub85c \uc791\ub3d9\ud558\uba70, \uc911\ub7c9 \uc808\uc0ad \uc911\uc5d0\ub294 150%\uc758 \ud53c\ud06c\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4; \uc555\ucd95\uae30\ub294 \uc800\uc7a5\uc18c\uac00 \ucc44\uc6cc\uc9c8 \ub54c\uae4c\uc9c0 100%\uc5d0\uc11c \uc791\ub3d9\ud558\uba70, \uadf8 \ud6c4\uc5d0\ub294 \uc720\ud734 \uc0c1\ud0dc\ub85c \uc791\ub3d9\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc704\uc758 \ubaa8\ub4e0 \uc2dc\ub098\ub9ac\uc624\ub294 \ud558\ub098\uc758 \uc218\ud559\uc801 \ub9e4\uac1c\ubcc0\uc218\ub85c \uc124\uba85\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc774\uc720\ub85c \uc8fc\uae30 \ubaa8\ub4dc\ub294 \uc77c\ubc18\uc801\uc73c\ub85c kVA \uc815\uaca9\ubcf4\ub2e4 \ub354 \ub098\uc740 \uc5f4 \uacf5\ud559\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4 \u2014 \uc774\ub294 \uc628\ub3c4 \uc0c1\uc2b9\uc744 \ub0ae\ucd94\uace0, \ub0c9\uac01\uc744 \uac1c\uc120\ud558\uba70, \uc8fc\uae30 \uc791\ub3d9\uc5d0 \ub9de\ucd98 \ubaa8\ud130 \uad8c\uc120 \uc124\uacc4\ub97c \ub3d9\ubc18\ud569\ub2c8\ub2e4. \uadf8 \uc5ec\uc720\uac00 \uc5b4\ub514\uc11c \uc624\ub294\uc9c0\uc640 \uc5b4\ub5bb\uac8c \uad6c\ucd95\ub418\ub294\uc9c0\ub294 \ub2e4\uc74c \uba54\ubaa8\uc5d0\uc11c \ub2e4\ub8f9\ub2c8\ub2e4. <a href=\"https:\/\/subian-electric.com\/ko\/news\/how-to-improve-the-overload-capacity-and-stability-of-transformers\/\">\ubcc0\uc555\uae30 \uacfc\ubd80\ud558 \uc6a9\ub7c9 \ubc0f \uc548\uc815\uc131 \ud5a5\uc0c1<\/a>.<\/p>\n<p>\uc784\ud53c\ub358\uc2a4\ub97c \uc904\uc5ec \uad6c\ub9e4 \uc5ec\uc720\ub97c \ud655\ubcf4\ud558\ub294 \uac83\uc5d0\ub3c4 \ud55c\uacc4\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc784\ud53c\ub358\uc2a4\ub97c \ub0ae\ucd94\uba74 \uc804\uc555 \uac15\ud558\uac00 \uc904\uc5b4\ub4e4\uc9c0\ub9cc, \ubc18\uba74\uc5d0 2\ucc28 \uce21\uc5d0\uc11c \uace0\uc7a5 \uc804\ub958\uac00 \uc99d\uac00\ud558\uc5ec \ud6c4\uc18d \ud68c\ub85c\uc758 \ubaa8\ub4e0 \uc7a5\uce58\uc758 \uc815\uaca9\uc774 \uc99d\uac00\ud569\ub2c8\ub2e4. \uade0\ud615\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uac74\uc2dd \ubc30\uae09 \ubcc0\uc555\uae30\uc758 \uacbd\uc6b0 4\u20136% \uc815\ub3c4\uc5d0\uc11c \uc774\ub8e8\uc5b4\uc9d1\ub2c8\ub2e4.<\/p>\n<h2>\uc0ac\uc591\uc5d0 \ud3ec\ud568\ud560 \uc0ac\ud56d<\/h2>\n<p>\uc2e4\uc81c \uc0c1\ud669\uc744 \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \ubaa8\ud130 \uacf5\uae09 \ubcc0\uc555\uae30\ub294 \ub2e4\uc74c\uc73c\ub85c \uad6c\uc131\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uc138 \uac00\uc9c0 \uaddc\uce59\uc744 \uc0ac\uc6a9\ud558\uc5ec \uacc4\uc0b0\ub41c kVA \uc815\uaca9 \ubc0f \uac00\uc7a5 \uac00\uae4c\uc6b4 \uc804\uc555 \uc815\uaca9\uc73c\ub85c \ubc18\uc62c\ub9bc.<\/li>\n<li>\ud544\uc694\ud55c 1\ucc28 \ubc0f 2\ucc28 \uc804\uc555 \ubc0f \ud0ed \ubc94\uc704.<\/li>\n<li>\uba85\uc2dc\ub41c \uc784\ud53c\ub358\uc2a4 \u2014 4% \ub610\ub294 6%\ub294 \uc804\uc555 \uac15\ud558 \uacc4\uc0b0\uc744 \uc0c1\ub2f9\ud788 \ubcc0\uacbd\ud569\ub2c8\ub2e4.<\/li>\n<li>\ub4dc\ub77c\uc774\ube0c \ubc0f \uc811\uc9c0 \ubc30\uce58\uc5d0 \ub9de\ub294 \ubca1\ud130 \uadf8\ub8f9 \ubc0f \uc811\uc9c0.<\/li>\n<li>\uc0ac\uc6a9\ub418\ub294 VFD\uc758 \uacbd\uc6b0 K-\ud329\ud130 \u2014 \ucd5c\uc18c K-4, \ub4dc\ub77c\uc774\ube0c \uc9c0\ubc30 \ubd80\ud558\uc758 \uacbd\uc6b0 K-13.<\/li>\n<li>\uc808\uc5f0 \ud074\ub798\uc2a4 \ubc0f \uc628\ub3c4 \uc0c1\uc2b9 \uc0ac\uc591\uc740 \uc0ac\uc774\ud074 \ubaa8\ud130 \uc791\uc5c5\uc774 \ud3ec\ud568\ub41c \uacbd\uc6b0 \ud074\ub798\uc2a4 H \uc808\uc5f0 \ubc0f \ub4f1\uae09 F \ub610\ub294 B \uc0c1\uc2b9\uc73c\ub85c \uc791\uc131\ub429\ub2c8\ub2e4.<\/li>\n<li>K-\uc815\uaca9 \uc7a5\uce58\uc758 \uacbd\uc6b0 \uc911\uc131 \uc815\uaca9\uc740 200%\ub85c \uc124\uc815\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li>\uc774\ub984\ud310 \uc678\uc758 \ubaa8\ub4e0 \uac83\uc5d0 \ub300\ud574 \uc791\uc5c5 \ubc0f \uacfc\ubd80\ud558 \uc9c4\uc220\uc774 \uc774\ub8e8\uc5b4\uc838\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc5ec\uae30\uc5d0\ub294 \ub9e4\uc6b0 \uc790\uc8fc \uc0dd\ub7b5\ub418\ub294 \ub450 \uac00\uc9c0 \ud56d\ubaa9\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uccab \ubc88\uc9f8 \ud56d\ubaa9\uc740 \uacf5\uae09\uc790\uc5d0\uac8c \ub9e1\uaca8\uc9c4 \uc784\ud53c\ub358\uc2a4\uc774\uba70, \uc774\ub294 \uc2dc\uc791 \uc791\ub3d9\uc5d0\uc11c \uc911\uc694\ud55c \ubcc0\ud654\ub97c \ucd08\ub798\ud569\ub2c8\ub2e4. \ub450 \ubc88\uc9f8 \ud56d\ubaa9\uc740 \ubcc0\uc555\uae30\uc5d0\uc11c 6\uac1c\uc6d4 \ud6c4\uc5d0 \ub2e4\ub978 \uc0ac\ub78c\uc774 \ubcc4\ub3c4\ub85c \uc9c0\uc815\ud55c \ub4dc\ub77c\uc774\ube0c\ub85c \uc778\ud574 \ub193\uce5c K-\ud329\ud130\uc785\ub2c8\ub2e4.<\/p>\n<p>6-10kV \uacf5\uae09\uc758 \uc911\uc804\uc555 \ubaa8\ud130 \ub4dc\ub77c\uc774\ube0c\uc758 \uacbd\uc6b0, \uc77c\ubc18\uc801\uc73c\ub85c \uc8fc\uc785 \uc218\uc9c0 \uac74\uc870\ud615\uc73c\ub85c, \uc774\ub294 \ud50c\ub79c\ud2b8 \ub8f8\uc5d0 \uc704\uce58\ud558\uba70 \uac74\ubb3c\uc5d0 \uc624\uc77c\uc744 \uc6b4\ubc18\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ud574\ub2f9 \ud074\ub798\uc2a4\uc758 \uc7a5\uce58\uc5d0 \ub300\ud55c \ub4f1\uae09, \uad8c\uc120 \uad6c\uc870 \ubc0f \uc778\ud074\ub85c\uc800 \uc635\uc158\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uc124\uc815\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/subian-electric.com\/ko\/product\/dry-type-distribution-transformer-6-10-kv-scb-series\/\">6\u201310 kV \uc11c\ube44\uc2a4\uc6a9 \uc8fc\uc785 \uc218\uc9c0 \uac74\uc870\ud615 \ubc30\uc804 \ubcc0\uc555\uae30 \ubc94\uc704<\/a>.<\/p>\n<h2>\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n<h3>\ubcc0\uc555\uae30\uc758 \ud45c\uc900 kVA \ud06c\uae30\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n<p>\uc0ac\uc6a9 \uc911\uc778 \ub450 \uac00\uc9c0 \ud615\ud0dc\uc758 \uc0ac\ub2e4\ub9ac\uac00 \uc788\uc2b5\ub2c8\ub2e4. IEC \ubc29\ubc95\uc740 \uac01 \uc99d\uac00\uc5d0 \ub300\ud574 \uc57d 25%\uc758 R10 \ubc29\ubc95\uc744 \ub530\ub974\uba70, \uc774\ub294 100, 160, 200, 250, 315, 400, 500, 630, 800, 1,000, 1,250, 1,600, 2,000 \ubc0f 2,500 kVA\uc758 \ud5c8\uc6a9 \uac00\ub2a5\ud55c \uac12\uc785\ub2c8\ub2e4. \ubd81\ubbf8 \ubc29\ubc95\uc740 15, 30, 45, 75, 112.5, 150, 225, 300, 500, 750, 1,000, 1,500, 2,000 \ubc0f 2,500 kVA\ub97c \ub530\ub985\ub2c8\ub2e4. \ub450 \uc0ac\ub2e4\ub9ac \ubaa8\ub450 10\uc5d0\uc11c 50 kVA\uc758 \uc800\uc804\ub825 \uc7a5\uce58\uac00 \uc788\uc5b4, \ub3d9\uc77c\ud55c \uc694\uad6c \uc0ac\ud56d\uc73c\ub85c \ub2e4\uc591\ud55c \uc2dc\uc7a5\uc5d0\uc11c \uac00\ub2a5\ud55c \ubc94\uc704\ub97c \uc81c\uc5b4\ud558\ub294 \uac83\uc774 \ubd88\uac00\ub2a5\ud569\ub2c8\ub2e4: \uc608\ub97c \ub4e4\uc5b4, 45 kVA \uc218\uc900\uc740 \ud55c \uc9c0\uc5ed\uc5d0\uc11c \ud45c\uc2dc\ub420 \uc218 \uc788\uc9c0\ub9cc, \ub2e4\ub978 \uc9c0\uc5ed\uc5d0\uc11c\ub294 50 kVA\ub85c \ud45c\uc2dc\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\ubcc0\uc555\uae30\ub294 \uc65c kVA\ub85c \ud06c\uae30\ub97c \uc815\ud569\ub2c8\uae4c?<\/h3>\n<p>\uc804\ub958\ub294 \ubd80\ud558 \ubcc0\ud658\uae30\uc5d0 \uc758\ud574 \uc989\uac01\uc801\uc778 \uc804\ub958\uc640 \uc804\uc555\uc73c\ub85c \uc778\ud574 \uc9c1\uc811\uc801\uc73c\ub85c \uc601\ud5a5\uc744 \ubc1b\uae30 \ub54c\ubb38\uc5d0, \uc774\ub294 \ub610\ud55c \uc758\ubbf8\ud569\ub2c8\ub2e4. \ubaa8\ub4e0 \uc815\uaca9\uc758 \uc8fc\uc694 \uad00\uc2ec\uc0ac\ub294 \ubaa8\ub4e0 kVA\uac00 \uacfc\uc5f4 \uc870\uac74 \uc5c6\uc774 \uc7a5\ube44 \uc815\uaca9\uc758 \ubc95\uc801 \uac89\ubcf4\uae30 \uc804\ub825\uc774\ub77c\ub294 \uac83\uc785\ub2c8\ub2e4. \uc5b4\ub5a4 \ubaa8\ud130\uc640 \ubcc0\ud658\uae30 \uc815\uaca9\uc744 \ube44\uad50\ud560 \ub54c, \uc774\ub294 \ubaa8\ud130\uc758 kW \uc815\uaca9\uc744 kVA\ub85c \ubcc0\ud658\ud574\uc57c \ud558\ub294 \uc774\uc0c1\uc801\uc778 \uc774\uc720\uc774\uae30\ub3c4 \ud569\ub2c8\ub2e4.<\/p>\n<h3>\ubcc0\ud658\uae30\uc5d0 \ud544\uc694\ud55c kVA \uc815\uaca9\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n<p>\uc0ac\uc6a9\ub418\ub294 \ubaa8\ub4e0 \ubaa8\ud130\uc758 \ucd5c\ub300 kVA\uc758 \ub450 \ubc30 \ub610\ub294 \ucd1d \ubd80\ud558 kVA\uc758 1.25\ubc30 \uc911 \ub354 \ud070 \uac12\uc744 \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624. \uadf8 \ud6c4, \ubaa8\ud130\uc758 \uc815\uaca9 \uc804\ub958\uac00 \ubcc0\ud658\uae30\uc758 \uc815\uaca9 \uc804\ub958\ubcf4\ub2e4 \uc57d 65% \uc774\ud558\uc778\uc9c0 \ud655\uc778\ud558\uace0, \uc2dc\uc791 \uacfc\uc815 \uc911 \uc804\uc555 \uac15\ud558\uac00 \uba85\ubaa9\uac12\uc758 80-85% \uc774\ud558\ub85c \ub5a8\uc5b4\uc9c0\uc9c0 \uc54a\ub3c4\ub85d \ud655\uc778\ud558\uc2ed\uc2dc\uc624. VFD\uc758 \uacbd\uc6b0 K-\ud329\ud130\uc5d0 \ub300\ud55c \uc694\uad6c \uc0ac\ud56d\uc744 \ub3c4\uc785\ud558\uc2ed\uc2dc\uc624. \uadf8\ub7f0 \ub2e4\uc74c \uc218\uce58\ub97c \uac00\uc7a5 \uac00\uae4c\uc6b4 \ud45c\uc900 \ud06c\uae30\ub85c \ubc18\uc62c\ub9bc\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h3>\ubcc0\uc555\uae30\uc5d0 \ub300\ud55c 80% \uaddc\uce59\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n<p>\ud45c\uc900 \uad00\ud589\uc740 \ubcc0\ud658\uae30\ub97c \uc9c0\uc18d\uc801\uc73c\ub85c \uc791\ub3d9\ud560 \ub54c, \uadf8 kVA \uc815\uaca9\uc758 80% \uc774\uc0c1\uc73c\ub85c \ubd80\ud558\ub97c \uac78\uc9c0 \uc54a\uc544\uc57c \ud55c\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4. \uc815\uaca9 kVA\uc758 80% \ubbf8\ub9cc\uc740 \uadf9\ud55c\uc758 \uc8fc\ubcc0 \uc628\ub3c4(\ud45c\uc900 \uc628\ub3c4\ub294 30 \u00b0C\ub85c \uac04\uc8fc\ub428), \ube44\uc120\ud615 \ubd80\ud558\ub85c \uc778\ud55c \uace0\uc870\ud30c \uc190\uc2e4 \ubc0f \ub2e8\uae30 \uacfc\ubd80\ud558\uc5d0 \ub300\ud55c \ucda9\ubd84\ud55c \uc5ec\uc720\ub97c \ud5c8\uc6a9\ud569\ub2c8\ub2e4. \uc774 \uacbd\uc6b0, \uc774\ub294 \ucf54\ub4dc\ub77c\uae30\ubcf4\ub2e4\ub294 \uc870\uc5b8\uc744 \uc758\ubbf8\ud558\uba70, \uc2e4\uc81c \ud55c\uacc4\ub294 \ubcc0\ud658\uae30\uc758 \uad8c\uc120 \uc628\ub3c4\ub77c\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc989, \uc808\uc5f0 \ub4f1\uae09\uacfc \uc628\ub3c4 \uc0c1\uc2b9\uc740 kVA \uac12\ub9cc\ud07c \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<h2>\ucc38\uace0 \ubb38\ud5cc<\/h2>\n<ol>\n<li><a href=\"https:\/\/www.nfpa.org\/codes-and-standards\/nfpa-70-standard-development\/70\" rel=\"nofollow noopener\" target=\"_blank\">NFPA \u2014 NFPA 70 \uad6d\uac00 \uc804\uae30 \uaddc\uc815, \uc81c430\uc870 \ubaa8\ud130 \ud68c\ub85c \ubc0f \ud45c 430.248 \/ 430.250<\/a><\/li>\n<li><a href=\"https:\/\/www.nema.org\/\" rel=\"nofollow noopener\" target=\"_blank\">NEMA \u2014 \ubaa8\ud130 \uba85\ud310 \ucf54\ub4dc \ubb38\uc790 \ubc0f \ub9c8\ub825\ub2f9 \uc7a0\uae08 \ud68c\uc804 kVA \ubd84\ub958<\/a><\/li>\n<li><a href=\"https:\/\/www.eaton.com\/\" rel=\"nofollow noopener\" target=\"_blank\">Eaton \u2014 \ubcc0\ud658\uae30 \ud06c\uae30 \uc870\uc815, K-\ud329\ud130 \uc120\ud0dd \ubc0f \uace0\uc870\ud30c \uc190\uc2e4 \uc801\uc6a9 \uc9c0\uce68<\/a><\/li>\n<li><a href=\"https:\/\/www.se.com\/us\/en\/\" rel=\"nofollow noopener\" target=\"_blank\">Schneider Electric \u2014 \uac74\uc2dd \ubcc0\ud658\uae30 \uc0ac\uc591 \ub370\uc774\ud130 \ubc0f \ubaa8\ud130 \ubd80\ud558 \ud06c\uae30 \uc870\uc815 \uc9c0\uce68<\/a><\/li>\n<li><a href=\"https:\/\/electrical-engineering-portal.com\/\" rel=\"nofollow noopener\" target=\"_blank\">Electrical Engineering Portal \u2014 \ub300\ud615 \ubaa8\ud130 \uc2dc\uc791\uc744 \uc704\ud55c \ubcc0\ud658\uae30 \ud06c\uae30 \uc870\uc815 \ubc0f \uc804\uc555 \uac15\ud558 \uacc4\uc0b0<\/a><\/li>\n<li><a href=\"https:\/\/www.ul.com\/\" rel=\"nofollow noopener\" target=\"_blank\">UL Solutions \u2014 UL 1561 \uac74\uc2dd \ubcc0\ud658\uae30 \ubc0f \uc778\uc815\ub41c K-\ud329\ud130 \uc815\uaca9<\/a><\/li>\n<li><a href=\"https:\/\/www.iec.ch\/\" rel=\"nofollow noopener\" target=\"_blank\">International Electrotechnical Commission \u2014 \uc804\ub825 \ubcc0\ud658\uae30\ub97c \uc704\ud55c IEC 60076 \uc2dc\ub9ac\uc988 \ubc0f \ud68c\uc804 \uae30\uacc4\ub97c \uc704\ud55c IEC 60034<\/a><\/li>\n<li><a href=\"https:\/\/www.energy.gov\/\" rel=\"nofollow noopener\" target=\"_blank\">US Department of Energy \u2014 \ubaa8\ud130 \uc2dc\uc2a4\ud15c \ubc0f \ubcc0\ud658\uae30 \ud6a8\uc728\uc131 \uc9c0\uce68<\/a><\/li>\n<\/ol>\n<h2>\uacb0\ub860<\/h2>\n<p>\ubcc0\uc555\uae30\ub294 kVA \uc6a9\ub7c9\uc5d0 \ub530\ub77c \uc120\ud0dd\ub418\uba70, \uc804\uae30 \ubaa8\ud130\uc758 kVA \ud06c\uae30\ubfd0\ub9cc \uc544\ub2c8\ub77c \uc801\uc6a9 \uc720\ud615(\uc2dc\uc791 \ubc29\ubc95) \ubc0f \uc791\ub3d9 \ud2b9\uc131\uc744 \uace0\ub824\ud558\uc5ec \uc801\uc808\ud55c \ubcc0\uc555\uae30\ub97c \uc120\ud0dd\ud558\ub294 \ub370 \uc8fc\uc758\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \uc0c8\ub85c\uc6b4 \ubcc0\ud658\ub41c kVA \ub4f1\uae09\uc740 \ubaa8\ub4e0 \uc804\ub825 \uacf5\uae09\uc6d0(\uc608: \uc5ed\ub960 \ubcf4\uc815\/\ubb34\ud6a8 \uc804\ub825) \ubc0f \uc7a0\uae34 \ub85c\ud130 kVA(\ub610\ub294 \u2018\ucd5c\uc545\uc758 \uacbd\uc6b0\u2019 \uc791\ub3d9 \uc870\uac74)\ub97c \ud3ec\ud568\ud558\uc5ec \ubaa8\ud130\uc758 \ucd1d kVA \uac12\uc744 \ubc18\uc601\ud574\uc57c \ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \ub450 \uc810 \uad50\uccb4 \ubc29\ubc95( kVA \ub4f1\uae09 \ubc0f \uc7a0\uae34 \ub85c\ud130\uc6a9)\uc744 \uc0ac\uc6a9\ud558\ub294 \ud45c\uc900 \uc720\ub3c4 \ubaa8\ud130\uc640 \ube44\uad50\ud560 \ub54c, VFD\uc758 \u2018K-\ud329\ud130'\ub97c \uae30\ubc18\uc73c\ub85c \ud55c \uace0\uc870\ud30c \uc804\ub958\ub77c\ub294 \ub610 \ub2e4\ub978 \uc720\ud615\uc758 kVA\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. kVA \uc6a9\ub7c9\uc744 \uacc4\uc0b0\ud560 \ub54c, \uc804\uc555 \uac15\ud558\ub97c \uace0\ub824\ud574\uc57c \ud558\uba70, \uc774\ub294 \ubcc0\uc555\uae30\uac00 \uc5f4\uc801\uc73c\ub85c \uc801\ud569\ud558\ub354\ub77c\ub3c4 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc73c\uba70, \uc774\ub85c \uc778\ud574 \ubaa8\ud130\ub97c \uc2dc\uc791\ud558\uae30\uc5d0 \ucda9\ubd84\ud55c \ub2e8\uc790 \uc804\uc555\uc774 \ubd80\uc871\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 5HP\uc5d0\uc11c 500HP \ub610\ub294 \uadf8 \uc774\uc0c1\uc758 \uc804\uae30 \ubaa8\ud130\uc5d0 \uc801\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Based on how this is applied, the transformer\/motor information may be thought of to be unnecessary. This is because the transformer, which is connected to the motor through a direct connection, does not have a listed transformer application rating matching the nameplate of the motor in terms of current, therefore it does not provide an [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":11745,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-11744","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\/11744","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=11744"}],"version-history":[{"count":6,"href":"https:\/\/subian-electric.com\/ko\/wp-json\/wp\/v2\/posts\/11744\/revisions"}],"predecessor-version":[{"id":11754,"href":"https:\/\/subian-electric.com\/ko\/wp-json\/wp\/v2\/posts\/11744\/revisions\/11754"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/subian-electric.com\/ko\/wp-json\/wp\/v2\/media\/11745"}],"wp:attachment":[{"href":"https:\/\/subian-electric.com\/ko\/wp-json\/wp\/v2\/media?parent=11744"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/subian-electric.com\/ko\/wp-json\/wp\/v2\/categories?post=11744"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/subian-electric.com\/ko\/wp-json\/wp\/v2\/tags?post=11744"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}