{"id":2632,"date":"2026-01-03T09:00:00","date_gmt":"2026-01-03T09:00:00","guid":{"rendered":"https:\/\/sinobreaker.com\/?p=2632"},"modified":"2026-01-03T09:00:00","modified_gmt":"2026-01-03T09:00:00","slug":"how-to-size-3-string-pv-combiner-boxes-component-selection-2","status":"publish","type":"post","link":"https:\/\/sinobreaker.com\/ko\/how-to-size-3-string-pv-combiner-boxes-component-selection-2\/","title":{"rendered":"3\uac1c\uc758 \uc2a4\ud2b8\ub9c1 PV \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4 \ud06c\uae30\ub97c \uc870\uc815\ud558\ub294 \ubc29\ubc95: \ucef4\ud3ec\ub10c\ud2b8 \uc120\ud0dd"},"content":{"rendered":"

3 \uc2a4\ud2b8\ub9c1 PV \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4\ub294 15-25kW \ubc94\uc704\uc758 \uc8fc\uac70\uc6a9 \ubc0f \uc18c\uaddc\ubaa8 \uc0c1\uc5c5\uc6a9 \ud0dc\uc591\uad11 \uc124\uce58\uc5d0 \uc0ac\uc6a9\ub418\uba70, 3\uac1c\uc758 \ub3c5\ub9bd\uc801\uc778 PV \uc2a4\ud2b8\ub9c1 \ud68c\ub85c\ub97c \uc778\ubc84\ud130\uc5d0 \uacf5\uae09\ud558\ub294 \ub2e8\uc77c DC \ucd9c\ub825\uc73c\ub85c \ud1b5\ud569\ud569\ub2c8\ub2e4. \ud4e8\uc988, \ubc84\uc2a4\ubc14, \uc778\ud074\ub85c\uc800 \ubc0f \ucee8\ub355\ud130\uc758 \uc801\uc808\ud55c \ud06c\uae30 \uc870\uc815\uc740 \ub2e4\uc74c\uc744 \ucda9\uc871\ud558\uba74\uc11c \uc548\uc804\ud55c \uc791\ub3d9\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4. NEC 690\uc870<\/a> \uc694\uad6c\uc0ac\ud56d. \uad6c\uc131 \uc694\uc18c \uc120\ud0dd \uae30\uc900\uc744 \uc774\ud574\ud558\uba74 \uc608\uc0b0 \ub0ad\ube44\ub97c \ucd08\ub798\ud558\ub294 \uc624\ubc84\uc0ac\uc774\uc9d5\uacfc \uc548\uc804 \uc704\ud5d8 \ub610\ub294 \uaddc\uc815 \uc704\ubc18\uc744 \uc57c\uae30\ud558\ub294 \uc5b8\ub354\uc0ac\uc774\uc9d5\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

3\uc2a4\ud2b8\ub9c1 \uad6c\uc131\uc740 \ucd5c\uc2e0 400-450W \ud328\ub110\uc744 \uc0ac\uc6a9\ud558\ub294 \ub9ce\uc740 \uc8fc\uac70\uc6a9 \uc124\uce58\uc5d0 \uc801\ud569\ud55c \uc9c0\uc810\uc785\ub2c8\ub2e4. 12~14\uac1c\uc758 \ud328\ub110\ub85c \uad6c\uc131\ub41c 3\uac1c\uc758 \uc2a4\ud2b8\ub9c1\uc740 \ud45c\uc900 \ud14c\uc2a4\ud2b8 \uc870\uac74\uc5d0\uc11c \uac01\uac01 14~19kW\ub97c \uc0dd\uc0b0\ud558\uba70, \uc774\ub294 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \uac00\uc815\uc6a9 \uc778\ubc84\ud130 \uc6a9\ub7c9\uacfc \uc77c\uce58\ud569\ub2c8\ub2e4. \uc774 \uad6c\uc131\uc740 \ube44\uc6a9 \ud6a8\uc728\uc131\uacfc \uc801\uc808\ud55c \uc2a4\ud2b8\ub9c1 \uc218\uc900 \ubaa8\ub2c8\ud130\ub9c1 \ubc0f \ubcf4\ud638\uc758 \uade0\ud615\uc744 \uc720\uc9c0\ud558\uc5ec \ub300\ud615 \ucef4\ubc14\uc774\ub108\uc758 \ubcf5\uc7a1\uc131\uc744 \ud53c\ud558\uba74\uc11c 2\uc2a4\ud2b8\ub9c1 \uc2dc\uc2a4\ud15c\ubcf4\ub2e4 \ub354 \uc138\ubd84\ud654\ub41c \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n

3 \ubb38\uc790\uc5f4 \uc2dc\uc2a4\ud15c \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc774\ud574<\/h2>\n<\/p>\n

\uc8fc\uac70\uc6a9 \uc9c0\ubd95 \uc124\uce58\ub294 \uc138 \uac00\uc9c0 \uc9c0\ubd95 \ud3c9\uba74 \ub610\ub294 \ubc29\ud5a5\uc744 \uc218\uc6a9\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc73c\uba70, \uac01 \uc9c0\ubd95 \ud3c9\uba74\uc740 \ud558\ub098\uc758 \ud0dc\uc591\uad11 \uc2a4\ud2b8\ub9c1\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4. \ub0a8\ud5a5, \ub3d9\ud5a5, \uc11c\ud5a5 \uc5b4\ub808\uc774\ub294 \ub3c5\ub9bd\uc801\uc778 \uc2a4\ud2b8\ub9c1 \ud68c\ub85c\uc758 \uc774\uc810\uc744 \ud65c\uc6a9\ud558\uc5ec \ub2e4\uc591\ud55c \ud0dc\uc591 \ub178\ucd9c \ud504\ub85c\ud30c\uc77c\uc5d0 \ub300\ud55c \ucd5c\ub300 \uc804\ub825\uc810 \ucd94\uc801(MPPT) \ucd5c\uc801\ud654\ub97c \uc2e4\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. 3\uac1c\uc758 \uc2a4\ud2b8\ub9c1 \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4\ub294 3\uac1c\uc758 \ubcc4\ub3c4 \uc778\ubc84\ud130 \uc785\ub825 \uc5c6\uc774\ub3c4 \uc774\ub7ec\ud55c \ub2e4\uc911 \ubc29\ud5a5 \uad6c\uc131\uc744 \uc704\ud55c \uc778\ud504\ub77c\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n

\ubcf5\uce35 \uc8fc\ud0dd\uacfc \ubcf5\uc7a1\ud55c \uc9c0\ubd95 \uad6c\uc870\ub294 \ud328\ub110 \uadf8\ub8f9 \uac04\uc5d0 \uc790\uc5f0\uc2a4\ub7ec\uc6b4 \ubd84\ub9ac\ub97c \ub9cc\ub4ed\ub2c8\ub2e4. \ub113\uac8c \ubd84\ub9ac\ub41c 3\uac1c\uc758 \uc5b4\ub808\uc774\uc5d0\uc11c \uc778\ubc84\ud130\ub85c \uc9c1\uc811 \ub3c4\uccb4\ub97c \ub77c\uc6b0\ud305\ud558\ub294 \ub300\uc2e0 \uc911\uc559\uc5d0 \uc704\uce58\ud55c \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4\uac00 \ud68c\ub85c\ub97c \ud1b5\ud569\ud558\uc5ec \uc804\uc120\uad00 \uae38\uc774\uc640 \ub3c4\uccb4 \ube44\uc6a9\uc744 \uc904\uc785\ub2c8\ub2e4. \uc774 \uc811\uadfc \ubc29\uc2dd\uc740 \uc2a4\ud2b8\ub9c1\uc774 \uac74\ubb3c\uc758 \ubc18\ub300\ucabd \ub05d\uc5d0\uc11c \uc2dc\uc791\ub420 \ub54c \ud2b9\ud788 \ube44\uc6a9 \ud6a8\uc728\uc801\uc785\ub2c8\ub2e4.<\/p>\n

20~25kW \ubc94\uc704\uc758 \uc18c\uaddc\ubaa8 \uc0c1\uc5c5\uc6a9 \uc124\uce58\ub294 \ubaa8\ub4c8\uc2dd \ube4c\ub529 \ube14\ub85d\uc73c\ub85c 3\uc2a4\ud2b8\ub9c1 \uad6c\uc131\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc5ec\ub7ec \uac1c\uc758 3\uc2a4\ud2b8\ub9c1 \ucef4\ubc14\uc774\ub108\uac00 \ub113\uc740 \uc9c0\ubd95 \uc601\uc5ed\uc5d0 \ubd84\uc0b0\ub418\uc5b4 \uac01\uac01 \ud328\ub110\uc744 \ub17c\ub9ac\uc801\uc73c\ub85c \uadf8\ub8f9\ud654\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubd84\uc0b0 \uc544\ud0a4\ud14d\ucc98\ub294 9~12\uac1c\uc758 \uc2a4\ud2b8\ub9c1\uc744 \ucc98\ub9ac\ud558\ub294 \ub2e8\uc77c \ub300\ud615 \ucef4\ubc14\uc774\ub108\uc5d0 \ube44\ud574 \ubb38\uc81c \ud574\uacb0\uc744 \uac04\uc18c\ud654\ud558\uace0 \ub2e8\uacc4\uc801\uc778 \uc124\uce58 \ud655\uc7a5\uc744 \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4.<\/p>\n

\uc77c\ubc18\uc801\uc778 \uc9c0\ubd95 \uc6a9\ub7c9\uc744 \ucd08\uacfc\ud558\ub294 \uc9c0\uc0c1 \uc124\uce58\ud615 \uc8fc\uac70\uc6a9 \uc5b4\ub808\uc774\ub3c4 3\uac1c\uc758 \uc2a4\ud2b8\ub9c1 \ucef4\ubc14\uc774\ub108\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. 45\uac1c\uc758 \ud328\ub110\uc774 \uc788\ub294 \ub4a4\ub730 \uc5b4\ub808\uc774\ub294 \uc790\uc5f0\uc2a4\ub7fd\uac8c 3\uac1c\uc758 15\uac1c \ud328\ub110 \uc2a4\ud2b8\ub9c1\uc73c\ub85c \ub098\ub258\ubbc0\ub85c 3\uac1c\uc758 \uc785\ub825\uc744 \uc704\ud55c \ucef4\ubc14\uc774\ub108 \uc6a9\ub7c9\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc801\uc808\ud55c \uc0ac\uc774\uc9d5\uc744 \ud1b5\ud574 \uc5b4\ub808\uc774\uc5d0\uc11c \ucef4\ubc14\uc774\ub108, \uc778\ubc84\ud130 \uc704\uce58\ub85c \uc774\uc5b4\uc9c0\ub294 \ucee8\ub355\ud130 \ub7f0\uc5d0\uc11c \uc804\uc555 \uac15\ud558\ub97c \ucd5c\uc18c\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\n

\ud83d\udca1 \uc8fc\uc694 \uc778\uc0ac\uc774\ud2b8:<\/strong> 3-\uc2a4\ud2b8\ub9c1 \uc2dc\uc2a4\ud15c\uc740 \ub300\ubd80\ubd84\uc758 \uc8fc\uac70\uc6a9 \uc124\uce58\uc5d0\uc11c \ubcf4\ud638 \uc138\ubd80 \uc218\uc900\uacfc \ube44\uc6a9 \uac04\uc5d0 \ucd5c\uc801\uc758 \uade0\ud615\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uac01 \uc2a4\ud2b8\ub9c1\uc5d0\ub294 \ub3c5\ub9bd\uc801\uc778 \uacfc\uc804\ub958 \ubcf4\ud638 \uae30\ub2a5\uc774 \uc788\uc5b4 \ub2e4\ub978 \ub450 \uc2a4\ud2b8\ub9c1\uc5d0 \uc601\ud5a5\uc744 \uc8fc\uc9c0 \uc54a\uace0 \uac1c\ubcc4 \uacb0\ud568 \ud68c\ub85c\ub97c \ubd84\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n\n\n\n\n\n
\uc2dc\uc2a4\ud15c \ud06c\uae30<\/th>\n\ubb38\uc790\uc5f4\ub2f9 \ud328\ub110<\/th>\n\uc2a4\ud2b8\ub9c1 \uc804\uc555(Voc)<\/th>\n\ubb38\uc790\uc5f4 \ud604\uc7ac(Isc)<\/th>\n\uc77c\ubc18\uc801\uc778 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/th>\n<\/tr>\n<\/thead>\n
15kW(3\u00d75kW)<\/strong><\/td>\n12\uac1c \ud328\ub110 \u00d7 400W<\/td>\n550-600V<\/td>\n9-10A<\/td>\n\uc18c\uaddc\ubaa8 \uc8fc\uac70\uc6a9 \ub2e8\uce35<\/td>\n<\/tr>\n
18kW(3\u00d76kW)<\/strong><\/td>\n\ud328\ub110 13\uac1c \u00d7 450W<\/td>\n600-650V<\/td>\n10-11A<\/td>\n\uc911\ud615 \uc8fc\uac70\uc6a9, 2\uce35<\/td>\n<\/tr>\n
21kW(3\u00d77kW)<\/strong><\/td>\n\ud328\ub110 15\uac1c \u00d7 450W<\/td>\n700-750V<\/td>\n10-11A<\/td>\n\ub300\ud615 \uc8fc\uac70\uc6a9, \uc9c0\uc0c1 \uc7a5\ucc29<\/td>\n<\/tr>\n
24kW(3\u00d78kW)<\/strong><\/td>\n\ud328\ub110 18\uac1c \u00d7 450W<\/td>\n850-900V<\/td>\n10-11A<\/td>\n\uc18c\uaddc\ubaa8 \uc0c1\uc5c5\uc6a9, \ud5db\uac04\/\ucc3d\uace0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

3 \uc2a4\ud2b8\ub9c1 \ucef4\ubc14\uc774\ub108\uc6a9 \ud4e8\uc988 \uc120\ud0dd<\/h2>\n

\uc2a4\ud2b8\ub9c1 \ud4e8\uc988 \ud06c\uae30\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. NEC 690<\/a>.9(B)\ub294 \uc2a4\ud2b8\ub9c1 \ub2e8\ub77d \uc804\ub958(Isc)\uc758 1.56\ubc30\ub97c \ud544\uc694\ub85c \ud569\ub2c8\ub2e4. Isc\uac00 9.5A\uc778 \uc2a4\ud2b8\ub9c1\uc758 \uacbd\uc6b0 \ucd5c\uc18c \ud4e8\uc988 \uc815\uaca9\uc740 9.5A \u00d7 1.56 = 14.82A\uc774\ubbc0\ub85c 15A \ud4e8\uc988\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \uc774 \uacc4\uc0b0\uc740 \ub192\uc740 \uc870\ub3c4 \uc870\uac74\uc5d0\uc11c \ud4e8\uc988\uac00 \ubd88\ud544\uc694\ud558\uac8c \uc791\ub3d9\ud558\ub294 \uac83\uc744 \ubc29\uc9c0\ud558\ub294 \ub3d9\uc2dc\uc5d0 \uc801\uc808\ud55c \uacfc\uc804\ub958 \ubcf4\ud638 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ud56d\uc0c1 \ud0dc\uc591\uad11 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc6a9\uc73c\ub85c \uc778\uc99d\ub41c DC \ub4f1\uae09 gPV \ud4e8\uc988\ub97c \uc0ac\uc6a9\ud558\uc138\uc694. UL 2579<\/a>.<\/p>\n

\ud4e8\uc988 \uc804\uc555 \uc815\uaca9\uc740 \uc608\uc0c1 \ucd5c\uc800 \uc628\ub3c4\uc5d0\uc11c \uc2dc\uc2a4\ud15c \ucd5c\ub300 \uac1c\ubc29 \ud68c\ub85c \uc804\uc555(Voc)\uc744 \ucd08\uacfc\ud574\uc57c \ud569\ub2c8\ub2e4. \ud45c\uc900 \ud14c\uc2a4\ud2b8 \uc870\uac74\uc5d0\uc11c 550V Voc\uc758 \uc2a4\ud2b8\ub9c1\uc740 -10\u00b0C\uc5d0\uc11c 600-650V\uc5d0 \ub3c4\ub2ec\ud569\ub2c8\ub2e4. \uc628\ub3c4 \uc601\ud5a5 \ubc0f \uc81c\uc870 \uacf5\ucc28\uc5d0 \ub300\ud55c \uc801\uc808\ud55c \ub9c8\uc9c4\uc744 \uc81c\uacf5\ud558\ub294 1000V DC \ud4e8\uc988\ub97c \uc120\ud0dd\ud558\uc138\uc694. 550V \uacf5\uce6d \uc2dc\uc2a4\ud15c\uc5d0\uc11c 600V \ud4e8\uc988\ub97c \uc0ac\uc6a9\ud558\uba74 \uaddc\uc815\uc744 \uc704\ubc18\ud558\uace0 \uc548\uc804 \uc704\ud5d8\uc744 \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\ud074\ub798\uc2a4 gPV \ud4e8\uc988\ub294 \ud2b9\uc218\ud55c DC \uc544\ud06c \ucc28\ub2e8 \ubc0f \uc2dc\uac04 \uc804\ub958 \ud2b9\uc131\uc73c\ub85c \uc778\ud574 \ubc94\uc6a9 \ud4e8\uc988\uc640 \ub2e4\ub985\ub2c8\ub2e4. \u201cg\u201d \uc9c0\uc815\uc740 \uc804\uccb4 \ubc94\uc704 \ucc28\ub2e8 \uc6a9\ub7c9\uc744 \ub098\ud0c0\ub0b4\uba70, \u201cPV\u201d\ub294 \ud0dc\uc591\uad11 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc801\ud569\uc131\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ud0dc\uc591\uad11 \ucef4\ubc14\uc774\ub108\uc5d0 \uc790\ub3d9\ucc28, AC \ub610\ub294 \ube44\ud0dc\uc591\uad11\uc6a9 DC \ud4e8\uc988\ub97c \ub300\uccb4\ud574\uc11c\ub294 \uc548 \ub418\uba70, \uc801\uc808\ud55c \uc815\uaca9 \uc804\uc555 \ubc0f \uc544\ud06c \ucc28\ub2e8 \uae30\ub2a5\uc774 \ubd80\uc871\ud569\ub2c8\ub2e4.<\/p>\n

\ud4e8\uc988 \ud640\ub354\ub294 \uc120\ud0dd\ud55c \ud4e8\uc988 \ud06c\uae30\uc640 \uc804\uc555 \uc815\uaca9\uc744 \uc218\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4. \uc8fc\uac70\uc6a9 3\uad6c \ucef4\ubc14\uc774\ub108\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 10\u00d738mm \ud4e8\uc988(\uc77c\ubc18\uc801\uc778 \uc720\ub7fd \ud06c\uae30) \ub610\ub294 13\/32\u00d71-1\/2\u2033 \ud4e8\uc988(\ubd81\ubbf8 \ud06c\uae30)\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ud4e8\uc988 \ud640\ub354 \uc778\ud130\ub7fd\ud2b8 \uc6a9\ub7c9\uc774 \uc2dc\uc2a4\ud15c \uac00\uc6a9 \uace0\uc7a5 \uc804\ub958(\uc77c\ubc18\uc801\uc73c\ub85c \ub3c4\uccb4 \uae38\uc774\uac00 \uc9e7\uc740 \uc8fc\uac70\uc6a9 3-\uc2a4\ud2b8\ub9c1 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uacbd\uc6b0 150~200A)\ub97c \ucd08\uacfc\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n

\n

\u26a0\ufe0f \uc911\uc694:<\/strong> 3\uc2a4\ud2b8\ub9c1 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub3c4 \uac01 \uc2a4\ud2b8\ub9c1\uc5d0\ub294 \uac1c\ubcc4 \ud4e8\uc988\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ud4e8\uc988\ub97c \uc0dd\ub7b5\ud558\uac70\ub098 \ub2e8\uc77c \uacb0\ud569 \ubcf4\ud638 \uc7a5\uce58\ub97c \uc0ac\uc6a9\ud558\uba74 NEC 690.9 \uc694\uad6c \uc0ac\ud56d\uc744 \uc704\ubc18\ud558\uace0 \uc2a4\ud2b8\ub9c1 \uc218\uc900\uc758 \uc624\ub958 \uaca9\ub9ac \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n

\ubc84\uc2a4\ubc14 \ud06c\uae30 \ubc0f \uc7ac\ub8cc \uc120\ud0dd<\/h2>\n

\ubc84\uc2a4\ubc14 \uc804\ub958 \uc6a9\ub7c9\uc740 NEC 690.8(A)\uc5d0 \ub530\ub978 25% \uc548\uc804 \uacc4\uc218\ub97c \ub354\ud55c \uc138 \uc2a4\ud2b8\ub9c1\uc758 \ud569\uc0b0 \ucd9c\ub825\uc744 \uc218\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4. \uac01 10A\uc758 \uc138 \uac1c\uc758 \uc2a4\ud2b8\ub9c1\uc740 \ud569\uccd0\uc11c 30A\ub97c \uc0dd\uc131\ud558\ubbc0\ub85c \ucd5c\uc18c 37.5A\uc758 \ubc84\uc2a4\ubc14 \uc6a9\ub7c9\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \ud45c\uc900 \uad00\ud589\uc740 \uc8fc\uac70\uc6a9 3\uc2a4\ud2b8\ub9c1 \ucef4\ubc14\uc774\ub108\uc5d0 100A \ubc84\uc2a4\ubc14\ub97c \uc9c0\uc815\ud558\uc5ec \uc0c1\ub2f9\ud55c \uc5ec\uc720\ub97c \uc81c\uacf5\ud558\uace0 \uc2a4\ud2b8\ub9c1\uc774 \ucd94\uac00\ub420 \uacbd\uc6b0 \ud5a5\ud6c4 \uc2dc\uc2a4\ud15c \ud655\uc7a5\uc744 \uc218\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n

\uad6c\ub9ac \ubc84\uc2a4\ubc14\ub294 \ub6f0\uc5b4\ub09c \uc804\ub3c4\uc131, \uc5f0\uacb0\uc6a9 \ub4dc\ub9b4\ub9c1 \uc6a9\uc774\uc131 \ubc0f \ub0b4\uc2dd\uc131\uc73c\ub85c \uc778\ud574 \uc8fc\uac70\uc6a9 \ucef4\ubc14\uc774\ub108 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uac00\uc7a5 \ub9ce\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ud45c\uc900 1\/4\u2033 \u00d7 1\u2033 \uad6c\ub9ac \ubc14(6.35mm \u00d7 25.4mm)\ub294 \uc628\ub3c4 \uc0c1\uc2b9\uc744 \ucd5c\uc18c\ud654\ud558\uba74\uc11c 100-125A\ub97c \uc5f0\uc18d\uc801\uc73c\ub85c \ucc98\ub9ac\ud569\ub2c8\ub2e4. \ub354 \ud070 1\/4\u2033 \u00d7 2\u2033 \ubc14\ub294 \uc804\ub958\uac00 \ub354 \ub192\uac70\ub098 \uc8fc\ubcc0 \uc628\ub3c4\uac00 \ub192\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n

\uc54c\ub8e8\ubbf8\ub284 \ubc84\uc2a4\ubc14\ub294 \uad6c\ub9ac\ubcf4\ub2e4 40-60% \uc800\ub834\ud558\uc9c0\ub9cc \ub3d9\ub4f1\ud55c \uc804\ub958 \uc6a9\ub7c9\uc744 \uc704\ud574 1.6\ubc30 \ub354 \ud070 \ub2e8\uba74\uc744 \ud544\uc694\ub85c \ud569\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284\uc740 \ub610\ud55c \ucee4\ub125\ud130 \uc720\ud615\uc5d0 \ud2b9\ubcc4\ud55c \uc8fc\uc758\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \uad6c\ub9ac \ub300 \uc54c\ub8e8\ubbf8\ub284 \uc5f0\uacb0\uc5d0\ub294 \uac08\ubc14\ub2c9 \ubd80\uc2dd\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uc0b0\ud654 \ubc29\uc9c0 \ud654\ud569\ubb3c\uacfc \ud638\ud658 \uac00\ub2a5\ud55c \ud558\ub4dc\uc6e8\uc5b4\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 \uc8fc\uac70\uc6a9 3-\uc2a4\ud2b8\ub9c1 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc740 \ub2e8\uc21c\uc131\uacfc \uc2e0\ub8b0\uc131\uc744 \uc704\ud574 \uad6c\ub9ac\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n

\ubc84\uc2a4\ubc14 \uc808\uc5f0\uc740 \uc720\uc9c0\ubcf4\uc218 \uc911 \uc804\uae30\uac00 \ud1b5\ud558\ub294 \ub3c4\uccb4\uc640\uc758 \uc6b0\ubc1c\uc801\uc778 \uc811\ucd09\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4. \uc5f4\uc218\ucd95 \ud29c\ube0c, PVC \uc2ac\ub9ac\ube59 \ub610\ub294 \ud398\ub180 \uc808\uc5f0\uccb4\ub294 \uc5f0\uacb0 \uc9c0\uc810\uc744 \uc81c\uc678\ud55c \ubc84\uc2a4\ubc14\ub97c \ub36e\uc2b5\ub2c8\ub2e4. \uc77c\ubd80 \uc81c\uc870\uc5c5\uccb4\ub294 \uacf5\uc7a5\uc5d0\uc11c \uc0ac\uc804 \uc808\uc5f0 \ucc98\ub9ac\ub41c \ubc84\uc2a4\ubc14\ub97c \uc81c\uacf5\ud558\uc5ec \ub2e4\uc74c \uc0ac\ud56d\uc744 \uc900\uc218\ud569\ub2c8\ub2e4. NFPA 70<\/a>E \uc544\ud06c \ud50c\ub798\uc2dc \uc548\uc804 \uc694\uac74. \uc804\uc6d0\uc774 \uacf5\uae09\ub418\ub294 \ubc84\uc2a4\ubc14\uc640 \uc811\uc9c0\ub41c \uc778\ud074\ub85c\uc800 \uc0ac\uc774\uc5d0\ub294 kV\ub2f9 \ucd5c\uc18c 12mm\uc758 \uc5f0\uba74\uac70\ub9ac\uac00 \uc801\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n\n\n\n\n\n
\ubc84\uc2a4\ubc14 \ud06c\uae30<\/th>\n\ud604\uc7ac \uc6a9\ub7c9<\/th>\n\uc77c\ubc18 \ube44\uc6a9(\uad6c\ub9ac)<\/th>\n\uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/th>\n<\/tr>\n<\/thead>\n
1\/8\u2033 \u00d7 1\u2033(3.2\u00d725mm)<\/strong><\/td>\n60-75A<\/td>\n$8-12 \ud53c\ud2b8\ub2f9<\/td>\n\uc791\uc740 2\uc904, <12kW<\/td>\n<\/tr>\n
1\/4\u2033 \u00d7 1\u2033(6.4\u00d725mm)<\/strong><\/td>\n100-125A<\/td>\n$15-20 \ud53c\ud2b8\ub2f9<\/td>\n\ud45c\uc900 3-\uc2a4\ud2b8\ub9c1, 15-20kW<\/td>\n<\/tr>\n
1\/4\u2033 \u00d7 2\u2033(6.4\u00d751mm)<\/strong><\/td>\n175-225A<\/td>\n$25-35 \ud53c\ud2b8\ub2f9<\/td>\n\ud5a5\uc0c1\ub41c 3\ud604, \ub192\uc740 \uc570\ube44\uc5b8\ud2b8<\/td>\n<\/tr>\n
3\/8\u2033 \u00d7 2\u2033(9.5\u00d751mm)<\/strong><\/td>\n275-350A<\/td>\n$40-55 \ud53c\ud2b8\ub2f9<\/td>\n4-6 \ubb38\uc790\uc5f4 \uad11\uace0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\uc8fc\ud68c\ub85c \ucc28\ub2e8\uae30 \ud06c\uae30 \uc870\uc815<\/h2>\n

\uba54\uc778 \ucc28\ub2e8\uae30 \uc815\uaca9 \uc804\ub958\ub294 NEC 690.8(A)(1)\uc5d0 \ub530\ub978 \ucd5c\ub300 \uc2dc\uc2a4\ud15c \ucd9c\ub825 \uc804\ub958\uc758 125%\uc640 \uac19\uc2b5\ub2c8\ub2e4. \uac01\uac01 10A\ub97c \uc0dd\uc0b0\ud558\ub294 3\uac1c\uc758 \uc2a4\ud2b8\ub9c1\uc758 \uacbd\uc6b0 \ucd5c\ub300 \ucd9c\ub825\uc740 30A\uc774\ubbc0\ub85c \ucd5c\uc18c 37.5A\uc758 \ucc28\ub2e8\uae30 \uc815\uaca9\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc0ac\uc6a9 \uac00\ub2a5\ud55c \ud45c\uc900 \uc815\uaca9 40A \ub610\ub294 50A\ub294 \ubaa8\ub450 \uc774 \uc694\uac74\uc744 \ucda9\uc871\ud569\ub2c8\ub2e4. \uc131\uac00\uc2e0 \ud2b8\ub9bd\uc758 \uc704\ud5d8 \uc5c6\uc774 \ub354 \ub098\uc740 \uacfc\ubd80\ud558 \ubcf4\ud638\ub97c \uc704\ud574 40A \uc815\uaca9\uc744 \uc120\ud0dd\ud558\uc138\uc694.<\/p>\n

DC \uc804\uc555 \uc815\uaca9\uc740 \uac00\uc7a5 \ucd94\uc6b4 \uc608\uc0c1 \uc628\ub3c4\uc5d0\uc11c \uc2dc\uc2a4\ud15c \ucd5c\ub300 Voc\uc640 \uac19\uac70\ub098 \uc774\ub97c \ucd08\uacfc\ud574\uc57c \ud569\ub2c8\ub2e4. 650V \ud639\ud55c\uae30 Voc\uc5d0\ub294 \ucd5c\uc18c 1000V DC \uc815\uaca9 \ucc28\ub2e8\uae30\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. AC \ucc28\ub2e8\uae30\ub294 DC \uc544\ud06c \ucc28\ub2e8 \uae30\ub2a5\uc774 \ubd80\uc871\ud558\uace0 \uc704\ud5d8\ud55c \uc544\ud06c\ub97c \ubb34\ud55c\uc815 \uc9c0\uc18d\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c DC \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 AC \ucc28\ub2e8\uae30\ub97c \uc0ac\uc6a9\ud558\uc9c0 \ub9c8\uc138\uc694. \ucc28\ub2e8\uae30 \ub77c\ubca8\uc758 \u201cDC\u201d \ud45c\uc2dc\ub97c \ud655\uc778\ud558\uace0 \uc804\uc555 \uacbd\uac10 \uace1\uc120\uc5d0 \ub300\ud574\uc11c\ub294 \uc81c\uc870\uc5c5\uccb4 \ub370\uc774\ud130\uc2dc\ud2b8\ub97c \ucc38\uc870\ud558\uc138\uc694.<\/p>\n

\uadf9 \uc218\ub294 \uc2dc\uc2a4\ud15c \uc811\uc9c0 \uad6c\uc131\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4. 2\uadf9(2P) \ucc28\ub2e8\uae30\ub294 \uc811\uc9c0\ub418\uc9c0 \uc54a\uc740 \uc2dc\uc2a4\ud15c \ub610\ub294 \uc591\uadf9\uc131 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc591\uadf9\uacfc \uc74c\uadf9 \ub3c4\uccb4\ub97c \ubaa8\ub450 \uc804\ud658\ud569\ub2c8\ub2e4. \uc74c\uadf9 \uc811\uc9c0 \uc2dc\uc2a4\ud15c\uc5d0\ub294 \ub2e8\uadf9(1P) \ucc28\ub2e8\uae30\ub85c \ucda9\ubd84\ud558\uba70, \uc591\uadf9 \ub3c4\uccb4\ub9cc \uc804\ud658\ud569\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 \uc8fc\uac70\uc6a9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc740 \uc811\uc9c0 \ubc29\uc2dd\uc5d0 \uad00\uacc4\uc5c6\uc774 \uc548\uc804\uc131\uacfc \uc720\uc5f0\uc131\uc744 \uadf9\ub300\ud654\ud558\uae30 \uc704\ud574 2P \ucc28\ub2e8\uae30\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n

\ucc28\ub2e8 \uc6a9\ub7c9(\uc778\ud130\ub7fd\ud2b8 \uc815\uaca9)\uc740 \uacb0\ud569\uae30 \uc704\uce58\uc5d0\uc11c \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uace0\uc7a5 \uc804\ub958\ub97c \ucd08\uacfc\ud574\uc57c \ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \ub3c4\uccb4 \uae38\uc774\ub97c \uac00\uc9c4 \uc8fc\uac70\uc6a9 3-\uc2a4\ud2b8\ub9c1 \uc2dc\uc2a4\ud15c\uc740 \ucd5c\ub300 \uace0\uc7a5 \uc804\ub958 150-250A\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \ud45c\uc900 5kA \ub610\ub294 10kA \uc778\ud130\ub7fd\ud2b8 \uc815\uaca9\uc740 \uc774 \uc694\uac74\uc744 \uc27d\uac8c \ucd08\uacfc\ud569\ub2c8\ub2e4. \ucc28\ub2e8\uae30\uc758 DC \uc778\ud130\ub7fd\ud2b8 \uc815\uaca9\uc744 \uad6c\uccb4\uc801\uc73c\ub85c \ud655\uc778\ud558\uc138\uc694. AC \uc778\ud130\ub7fd\ud2b8 \uc815\uaca9\uc740 DC \ud68c\ub85c\uc5d0\ub294 \uc801\uc6a9\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc778\ud074\ub85c\uc800 \uc120\ud0dd \ubc0f \ud06c\uae30 \uc870\uc815<\/h2>\n<\/p>\n

NEMA 3R \uc778\ud074\ub85c\uc800\ub294 \ubc29\uc218 \uac1c\uc2a4\ud0b7\uacfc \ubc30\uc218 \uc7a5\uce58\ub97c \uac16\ucd94\uace0 \uc788\uc5b4 \uc2e4\uc678 \ucef4\ubc14\uc774\ub108 \uc124\uce58\uc5d0 \ucd5c\uc18c\ud55c\uc758 \ub0a0\uc528 \ubcf4\ud638 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774 \uacbd\uc81c\uc801\uc778 \uc778\ud074\ub85c\uc800\ub294 \uc9c0\ubd95 \ucc98\ub9c8 \uc544\ub798\ub098 \uadf8\ub298\uc9c4 \ubcbd\uc5d0 \uc788\ub294 \uc9c0\ubd95\uc774 \uc788\ub294 \uc7a5\uc18c\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. 12\uc778\uce58\u00d712\uc778\uce58\u00d76\uc778\uce58\uc758 \ud06c\uae30\ub294 \uc885\ub2e8 \ubc0f \ud5a5\ud6c4 \uc218\uc815\uc744 \uc704\ud55c \uc801\uc808\ud55c \uc791\uc5c5 \uacf5\uac04\uacfc \ud568\uaed8 \uc77c\ubc18\uc801\uc778 3-\uc2a4\ud2b8\ub9c1 \uad6c\uc131 \uc694\uc18c\ub97c \uc218\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n

NEMA 4X \uc778\ud074\ub85c\uc800\ub294 \ube57\ubb3c, \ubc14\ub78c\uc5d0 \ub0a0\ub9ac\ub294 \uba3c\uc9c0, \ud574\uc548 \ud658\uacbd\uc758 \ubd80\uc2dd\uc5d0 \ub300\ud55c \uac1c\uc2a4\ud0b7 \ubc00\ubd09\uc73c\ub85c \ud0c1\uc6d4\ud55c \ubcf4\ud638 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8 \ub610\ub294 \uc720\ub9ac\uc12c\uc720 \uad6c\uc870\ub294 \uc790\uc678\uc120 \ub178\ucd9c\uacfc \ud639\ub3c5\ud55c \ub0a0\uc528\ub97c \uacac\ub514\uba70 20\ub144 \uc774\uc0c1\uc758 \uc11c\ube44\uc2a4 \uc218\uba85\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4. NEMA 3R\uc5d0 \ube44\ud574 \ucd94\uac00\ub418\ub294 $75-150\uc758 \ud504\ub9ac\ubbf8\uc5c4 \ube44\uc6a9\uc740 \ub178\ucd9c\ub41c \uc9c0\ubd95 \uc7a5\ucc29 \uc124\uce58 \ubc0f \ud574\uc548 \uc9c0\uc5ed\uc5d0 \uc801\ud569\ud55c \uac00\uce58\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\ub0b4\ubd80 \uad6c\uc131 \uc694\uc18c \ub808\uc774\uc544\uc6c3\uc740 NEC 110.26\uc5d0 \ub530\ub77c \uc804\uc6d0\uc774 \uacf5\uae09\ub418\ub294 \ubc84\uc2a4\ubc14\uc640 \uc778\ud074\ub85c\uc800 \ubcbd \uc0ac\uc774\uc5d0 \ucd5c\uc18c 6\uc778\uce58\uc758 \uac04\uaca9\uc744 \uc720\uc9c0\ud574\uc57c \ud569\ub2c8\ub2e4. \ud4e8\uc988 \ud640\ub354 3\uac1c, \ubc84\uc2a4\ubc14 2\uac1c, \ucc28\ub2e8\uae30 1\uac1c, SPD 1\uac1c, \uc811\uc9c0 \ubc84\uc2a4 1\uac1c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc801\uc808\ud55c \ubc30\uc5f4\uc744 \ud1b5\ud574 12\uc778\uce58\u00d712\uc778\uce58 \uc124\uce58 \uacf5\uac04 \ub0b4\uc5d0 \ub9de\uc2b5\ub2c8\ub2e4. \ub354 \ud070 14\uc778\uce58\u00d712\uc778\uce58 \ub610\ub294 16\uc778\uce58\u00d714\uc778\uce58 \uc778\ud074\ub85c\uc800\ub294 \uc804\uc120 \ub77c\uc6b0\ud305\uacfc \ud5a5\ud6c4 \ud655\uc7a5 \uacf5\uac04\uc744 \ub354 \uc27d\uac8c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n

\ub9c8\uc6b4\ud305 \uc870\ud56d\uc740 \uc778\ud074\ub85c\uc800, \uad6c\uc131 \uc694\uc18c \ubc0f \ub3c4\uccb4 \uc778\uc785\uad6c \uc2a4\ud2b8\ub808\uc778 \ub9b4\ub9ac\ud504\uc758 \ud569\uc0b0 \ubb34\uac8c\ub97c \uc9c0\ud0f1\ud574\uc57c \ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \ub9ce\uc774 \uc0ac\uc6a9\ub418\ub294 3\ud604 \ucef4\ubc14\uc774\ub108\uc758 \ubb34\uac8c\ub294 8~15\ud30c\uc6b4\ub4dc\uc785\ub2c8\ub2e4. \uc0ac\uc774\ub529\ubfd0\ub9cc \uc544\ub2c8\ub77c \uad6c\uc870 \ubd80\uc7ac\uc5d0 \uace0\uc815\ub41c \ucd5c\uc18c 1\/4\uc778\uce58 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \ud558\ub4dc\uc6e8\uc5b4\ub97c \uc0ac\uc6a9\ud558\uc138\uc694. \uc9c0\uc0c1\uc5d0 \uc124\uce58\ud558\ub294 \uacbd\uc6b0\uc5d0\ub294 \ubc30\uc218 \ubc0f \uc124\uce58\ub958 \ubcf4\ud638\ub97c \uc704\ud574 \ucf58\ud06c\ub9ac\ud2b8 \ud328\ub4dc \ub610\ub294 \uc544\uc5f0\ub3c4\uae08 \ud3ec\uc2a4\ud2b8 \ub9c8\uc6b4\ud2b8\ub97c \ucd5c\uc18c 18\uc778\uce58 \uc774\uc0c1 \ub192\uc774 \uc124\uce58\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

\ub3c4\uccb4 \ubc0f \ub3c4\uad00 \ud06c\uae30 \uc870\uc815<\/h2>\n<\/p>\n

\ucd9c\ub825 \ub3c4\uccb4 \ud06c\uae30\ub294 \ucd5c\ub300 \uc804\ub958 125%\ub97c \uc694\uad6c\ud558\ub294 NEC 690.8(B)\ub97c \ub530\ub985\ub2c8\ub2e4. 30A \uacb0\ud569 \ucd9c\ub825\uc758 \uacbd\uc6b0, \ub3c4\uccb4\ub294 37.5A\ub97c \uc5f0\uc18d\uc73c\ub85c \ucc98\ub9ac\ud574\uc57c \ud569\ub2c8\ub2e4. NEC \ud45c 310.16\uc5d0 \ub530\ub974\uba74 90\u00b0C \uc815\uaca9\uc5d0\uc11c 10AWG \uad6c\ub9ac\ub294 40A\ub97c \ucc98\ub9ac\ud558\uc5ec \uc774 \uc694\uac74\uc744 \ucda9\uc871\ud569\ub2c8\ub2e4. \uc2a4\ud2b8\ub9c1 \uc785\ub825 \ub3c4\uccb4\ub3c4 \uac1c\ubcc4 \uc804\ub958\uac00 \ub354 \ub0ae\ub354\ub77c\ub3c4 10AWG\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc77c\uad00\uc131\uc744 \uc720\uc9c0\ud558\uace0 \ub354 \ub192\uc740 \uc640\ud2b8\uc758 \ud328\ub110 \uc5c5\uadf8\ub808\uc774\ub4dc\ub97c \uc704\ud55c \ubbf8\ub798 \ub300\ube44\ub97c \ud569\ub2c8\ub2e4.<\/p>\n

\ub3c4\uccb4\uac00 \ub728\uac70\uc6b4 \ub2e4\ub77d\ubc29\uc774\ub098 \ud0dc\uc591\uc744 \ud5a5\ud55c \ubcbd\uc5d0 \ub178\ucd9c\ub41c \ub3c4\uad00\uc744 \ud1b5\uacfc\ud558\ub294 \uacbd\uc6b0 \uc628\ub3c4 \uacbd\uac10\uc774 \uc801\uc6a9\ub429\ub2c8\ub2e4. \uc8fc\ubcc0 \uc628\ub3c4\uac00 60-70\u00b0C\uc778 \uacbd\uc6b0 NEC \ud45c 310.15(B)(1)\uc758 \uacbd\uac10 \uacc4\uc218\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \uc2ec\ud55c \uacbd\uc6b0\uc5d0\ub294 \uc804\ub958 \uc6a9\ub7c9 \uacc4\uc0b0 \uacb0\uacfc 10AWG\uba74 \ucda9\ubd84\ud558\uc9c0\ub9cc 8AWG \ub3c4\uccb4\uac00 \ud544\uc694\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \uc548\uc815\uc131\uc744 \uc704\ud574 \ud56d\uc0c1 \ucd5c\uc545\uc758 \uc628\ub3c4 \uc2dc\ub098\ub9ac\uc624\ub97c \uacc4\uc0b0\ud558\uc138\uc694.<\/p>\n

\ub3c4\uad00 \ucc44\uc6b0\uae30\ub294 \ub3c4\uccb4 \ub2e8\uba74\uc744 \ub3c4\uad00 \ub0b4\ubd80 \uba74\uc801\uc758 40%\ub85c \uc81c\ud55c\ud558\ub294 NEC 9\uc7a5, \ud45c 4\ub97c \ub530\ub985\ub2c8\ub2e4. 10AWG \uc2a4\ud2b8\ub9c1 \uc785\ub825 \uc30d 3\uac1c(\ucd1d \ub3c4\uccb4 6\uac1c)\uc640 10AWG \ucd9c\ub825 \ub3c4\uccb4 2\uac1c(\ucd1d \ub3c4\uccb4 8\uac1c)\uc5d0\ub294 \ucd5c\uc18c 1\u2033 \ub3c4\uad00\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc811\uc9c0 \ub3c4\uccb4\ub97c \ucd94\uac00\ud558\uba74 \ub2f9\uae30\ub294 \ub3d9\uc548 \ub3c4\uccb4 \uc190\uc0c1 \uc5c6\uc774 \ud3b8\uc548\ud558\uac8c \uc124\uce58\ud560 \uc218 \uc788\ub3c4\ub85d \uc694\uad6c \uc0ac\ud56d\uc774 1-1\/4\uc778\uce58\ub85c \ub298\uc5b4\ub0a9\ub2c8\ub2e4.<\/p>\n

\uc2a4\ud2b8\ub9c1 \ud648\ub7f0 \uac70\ub9ac\ub294 \uc804\uc555 \uac15\ud558 \uacc4\uc0b0\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. NEC\ub294 \uc5b4\ub808\uc774\uc5d0\uc11c \uc778\ubc84\ud130\uae4c\uc9c0 \uc804\uc555 \uac15\ud558\ub97c 3%\ub85c \uc81c\ud55c\ud560 \uac83\uc744 \uad8c\uc7a5\ud569\ub2c8\ub2e4. 600V \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0, \uc774\ub294 \ucd5c\ub300 18V \uac15\ud558\ub97c \ud5c8\uc6a9\ud569\ub2c8\ub2e4. 50\ud53c\ud2b8 \uae38\uc774\uc5d0 \uac78\uccd0 \uac01\uac01 10A\uc758 \uc2a4\ud2b8\ub9c1 3\uac1c\uac00 \uc788\ub294 \uacbd\uc6b0 \uc804\uc555 \uac15\ud558 \uacc4\uc0b0\uc774 \ud544\uc694\ud569\ub2c8\ub2e4: VD = 2 \u00d7 K \u00d7 I \u00d7 D \/ CM, \uc5ec\uae30\uc11c K=12.9(\uad6c\ub9ac), I=10A, D=50ft, CM=10380(10AWG). \uacb0\uacfc: 6.2V \uac15\ud558, \uc774 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n

\n

\ud83c\udfaf \ud504\ub85c \ud301:<\/strong> \uc2b5\ud55c \uc7a5\uc18c \ubc0f 90\u00b0C \uc791\ub3d9\uc5d0 \uc801\ud569\ud55c USE-2 \ub610\ub294 RHW-2 \uad11\uc804\uc120\uc744 \uc9c0\uc815\ud558\uc138\uc694. \ud45c\uc900 THHN \uc640\uc774\uc5b4\ub294 \uc2b5\ud55c \uc7a5\uc18c\uc5d0 \uc801\ud569\ud558\uc9c0 \uc54a\uc73c\uba70 \uc2e4\uc678 \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4\uc5d0\uc11c \uc2b5\uae30 \uce68\uc785\uc73c\ub85c \uc778\ud574 \uc131\ub2a5\uc774 \uc800\ud558\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n

3\uac1c\uc758 \uc2a4\ud2b8\ub9c1 \ucef4\ubc14\uc774\ub108\uc5d0 SPD \ud1b5\ud569<\/h2>\n

\ucef4\ubc14\uc774\ub108 \ubc15\uc2a4\uc758 \uc720\ud615 2 SPD \ubcf4\ud638\ub294 \ub099\ub8b0\ub85c \uc778\ud55c \uc11c\uc9c0\uac00 \uc778\ubc84\ud130 \ubc0f \ubaa8\ub2c8\ud130\ub9c1 \uc7a5\ube44\ub97c \uc190\uc0c1\uc2dc\ud0a4\ub294 \uac83\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4. 600-700V \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0 1000-1200V MCOV \uc815\uaca9\uc758 SPD\ub97c \uc120\ud0dd\ud558\uc5ec \ucd94\uc6b4 \ub0a0\uc528 \uc804\uc555 \uc99d\uac00\uc5d0 \ub300\ud55c \uc5ec\uc720\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. SPD\ub294 \uc591\uadf9 \ubc84\uc2a4\ubc14\uc640 \uc811\uc9c0 \ubc84\uc2a4 \uc0ac\uc774\uc5d0 \uc5f0\uacb0\ub418\uba70, \uc644\uc804\ud55c \ubcf4\ud638\ub97c \uc704\ud574 \uc74c\uadf9 \ubc84\uc2a4\ubc14\uc5d0 \ubcd1\ub82c\ub85c \uc5f0\uacb0\ub429\ub2c8\ub2e4.<\/p>\n

SPD \uc804\uc555 \ubcf4\ud638 \uc218\uc900(Up)\uc740 \uc778\ubc84\ud130 \ucd5c\ub300 \uc785\ub825 \uc804\uc555\ubcf4\ub2e4 \ub0ae\uac8c \uc720\uc9c0\ud574\uc57c \ud569\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 \uc8fc\uac70\uc6a9 \uc778\ubc84\ud130\ub294 1000V \uc785\ub825\uc744 \uacac\ub514\uba70, Up \u2264 3.0kV\uc758 SPD\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4. \uc774 \ub9c8\uc9c4\uc740 \uc11c\uc9c0 \ud074\ub7a8\ud551\uc774 \ucd5c\uc545\uc758 \uc870\uac74\uc5d0\uc11c \uc778\ubc84\ud130\ub97c \ubcf4\ud638\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. Up \uac12\uc774 \ub0ae\uc744\uc218\ub85d(2.5kV) \ub354 \ub098\uc740 \ubcf4\ud638 \uae30\ub2a5\uc744 \uc81c\uacf5\ud558\uc9c0\ub9cc \ube44\uc6a9\uc774 20-30% \ub354 \ub4ed\ub2c8\ub2e4.<\/p>\n

SPD \uc804\ub958 \uc815\uaca9 In=20kA, Imax=40kA\ub294 \uc77c\ubc18\uc801\uc778 \uc8fc\uac70\uc6a9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. \uc124\uce58\uc5d0 \uc678\ubd80 \ub099\ub8b0 \ubcf4\ud638 \uc2dc\uc2a4\ud15c\uc774 \uc788\uac70\ub098 \ubb38\uc11c\ud654 \ub41c \ub192\uc740 \ub099\ub8b0 \ub178\ucd9c\uc774\uc5c6\ub294 \ud55c \ub354 \ub192\uc740 \uc815\uaca9\uc740 \ud544\uc694\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. SPD \uc811\uc9c0 \ub3c4\uccb4\ub294 NEC 690.35(C)\uc5d0 \ub530\ub77c \ucd5c\uc18c #10 AWG\uc5ec\uc57c \ud558\uba70 \uc778\ub355\ud134\uc2a4\ub97c \ucd5c\uc18c\ud654\ud558\uae30 \uc704\ud574 \uac00\ub2a5\ud55c \ud55c \uc9e7\uace0 \uc9c1\uc120\uc73c\ub85c \ubc30\uc120\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

\uc2dc\uac01\uc801 \ud45c\uc2dc\uae30 \ub610\ub294 \uc6d0\uaca9 \ubaa8\ub2c8\ud130\ub9c1 \uc811\uc810\uc744 \uc0ac\uc6a9\ud558\uba74 \ud14c\uc2a4\ud2b8 \uc7a5\ube44 \uc5c6\uc774\ub3c4 SPD \uc0c1\ud0dc\ub97c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubaa8\ub2c8\ud130\ub9c1 \uc2dc\uc2a4\ud15c\uc774 \uc5c6\ub294 \uc8fc\uac70\uc6a9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uacbd\uc6b0 \uac04\ub2e8\ud55c \uc2dc\uac01\uc801 \ud45c\uc2dc\uae30(\ub179\uc0c9=\uc791\ub3d9, \ube68\uac04\uc0c9=\uace0\uc7a5)\ub85c \ucda9\ubd84\ud569\ub2c8\ub2e4. \uc0c1\uc5c5\uc6a9 \uc124\uce58\ub294 SCADA \uc2dc\uc2a4\ud15c\uacfc \ud1b5\ud569\ub41c \uc6d0\uaca9 \uc811\uc810\uc744 \ud1b5\ud574 \uc989\uac01\uc801\uc778 \uace0\uc7a5 \uc54c\ub9bc \ubc0f \uc720\uc9c0\ubcf4\uc218 \uc54c\ub9bc\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n

\uc811\uc9c0 \ubc0f \ubcf8\ub529 \uc694\uad6c \uc0ac\ud56d<\/h2>\n<\/p>\n

\uc7a5\ube44 \uc811\uc9c0 \ub3c4\uccb4(EGC) \ud06c\uae30\ub294 \uc5c5\uc2a4\ud2b8\ub9bc \uacfc\uc804\ub958 \ubcf4\ud638\ub97c \uae30\uc900\uc73c\ub85c NEC \ud45c 250.122\ub97c \ub530\ub985\ub2c8\ub2e4. 40A \uc8fc \ucc28\ub2e8\uae30\uc5d0\ub294 \ucd5c\uc18c #10 AWG \uad6c\ub9ac EGC\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \uc774 \ub3c4\uccb4\ub294 \ucef4\ubc14\uc774\ub108 \uc778\ud074\ub85c\uc800\ub97c \uc5b4\ub808\uc774 \ud504\ub808\uc784 \uc811\uc9c0\uc5d0 \uc5f0\uacb0\ud558\uace0 \uc8fc \uc11c\ube44\uc2a4 \uc811\uc9c0 \uc804\uadf9 \uc2dc\uc2a4\ud15c\uc73c\ub85c \ub3cc\uc544\uac11\ub2c8\ub2e4. EGC\ub294 \uace0\uc7a5 \uc804\ub958 \ubcf5\uadc0 \uacbd\ub85c\ub97c \uc81c\uacf5\ud558\uace0 \uc811\uc9c0 \uace0\uc7a5 \uc2dc \uc548\uc804\ud55c \ubd84\ub9ac\ub97c \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n

\ubcf8\ub529 \uc810\ud37c\ub294 \uc74c\uadf9 \uc811\uc9c0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc74c\uadf9 \ubc84\uc2a4\ubc14\ub97c \uc811\uc9c0 \ubc84\uc2a4\uc5d0 \uc5f0\uacb0\ud569\ub2c8\ub2e4. \uc774 \uc5f0\uacb0\uc740 \uc2dc\uc2a4\ud15c \uae30\uc900\uc810\uc744 \uc124\uc815\ud558\uba70 \ud14c\uc2a4\ud2b8 \ub610\ub294 \uc7ac\uad6c\uc131\uc744 \uc704\ud574 \uc81c\uac70\ud560 \uc218 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc801\uc808\ud55c \ub7ec\uadf8\uc640 \ud568\uaed8 \ucd5c\uc18c #10 AWG\ub97c \uc0ac\uc6a9\ud558\uace0 \uc811\uc9c0 \uc9c0\uc810\uc774 \ud558\ub098\ub9cc \uc874\uc7ac\ud558\ub3c4\ub85d \ud558\ub418, \ucef4\ubc14\uc774\ub108\uc640 \uc778\ubc84\ud130 \uc74c\uadf9 \ub3c4\uccb4\ub97c \ub3d9\uc2dc\uc5d0 \uc811\uc9c0\ud558\uc5ec \uc811\uc9c0 \ub8e8\ud504\ub97c \ub9cc\ub4e4\uc9c0 \ub9c8\uc138\uc694.<\/p>\n

\uc5b4\ub808\uc774 \ud504\ub808\uc784 \uc811\uc9c0\uc5d0\ub294 \ucef4\ubc14\uc774\ub108 \uc811\uc9c0 \ubc84\uc2a4\uc5d0\uc11c \ubaa8\ub4c8 \ud504\ub808\uc784 \uc5f0\uacb0\uae4c\uc9c0 \uc5f0\uacb0\ub418\ub294 NEC 690.43\uc5d0 \ub530\ub77c \ucd5c\uc18c #6 AWG \uad6c\ub9ac \ub3c4\uccb4\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \uc774 \ud070 \ub3c4\uccb4\ub294 \ub099\ub8b0 \uc804\ub958\ub97c \ucc98\ub9ac\ud558\uace0 \uc5ec\ub7ec \uc2a4\ud2b8\ub9c1\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc7a0\uc7ac\uc801\uc778 \uc811\uc9c0 \uc624\ub958 \uc804\ub958\ub97c \uc218\uc6a9\ud569\ub2c8\ub2e4. \uac00\ub2a5\ud558\uba74 \ud504\ub808\uc784 \uc811\uc9c0 \ub3c4\uccb4\ub97c \uc804\uc6d0 \ub3c4\uccb4\uc640 \ubcc4\ub3c4\ub85c \ubc30\uc120\ud558\uace0, 6\ud53c\ud2b8\ub97c \ucd08\uacfc\ud558\ub294 \ubcd1\ub82c \ubc30\uc120\uc744 \ud53c\ud558\uc138\uc694.<\/p>\n

\uc811\uc9c0 \uc804\uadf9 \ub3c4\uccb4(GEC) \uc5f0\uacb0\uc740 \uc124\uce58 \uc704\uce58\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4. \uac74\ubb3c\uc5d0 \uc788\ub294 \ucef4\ubc14\uc774\ub108\ub294 EGC\ub97c \ud1b5\ud574 \uac74\ubb3c \uc811\uc9c0 \uc804\uadf9 \uc2dc\uc2a4\ud15c\uc5d0 \uc5f0\uacb0\ub429\ub2c8\ub2e4. \uc9c0\uc0c1 \uc7a5\ucc29\ud615 \ucef4\ubc14\uc774\ub108\ub294 NEC \ud45c 250.66\uc5d0 \ub530\ub978 \ud06c\uae30\uc758 GEC\ub97c \ud1b5\ud574 \uc5f0\uacb0\ub418\ub294 \uc804\uc6a9 \uc811\uc9c0 \uc804\uadf9 \uad6c\ub3d9 \uc811\uc9c0\ubd09 \ub610\ub294 \uc811\uc9c0 \ud50c\ub808\uc774\ud2b8\uac00 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uad6c\uccb4\uc801\uc778 \uc811\uc9c0 \uc694\uac74\uc740 \ud56d\uc0c1 \ud604\uc9c0 AHJ\uc5d0 \ubb38\uc758\ud558\uc138\uc694.<\/p>\n

\uc77c\ubc18\uc801\uc778 \uc124\uce58 \uc2e4\uc218 \ubc0f \ucf54\ub4dc \uc704\ubc18<\/h2>\n

\uc2a4\ud2b8\ub9c1 \ubcf4\ud638\uc6a9 \uc18c\ud615 \ud4e8\uc988 \u274c \uc18c\ud615 \ud4e8\uc988<\/h3>\n<\/p>\n

\ubb38\uc81c\uc785\ub2c8\ub2e4:<\/strong> \uacc4\uc0b0\uc5d0 15A\uac00 \ud544\uc694\ud55c \uacbd\uc6b0 10A \ud4e8\uc988\ub97c \uc0ac\uc6a9\ud558\uba74 \uc870\ub3c4\uac00 \ub192\uac70\ub098 \ucd94\uc6b4 \ub0a0\uc528\uc5d0 \ud4e8\uc988 \uc791\ub3d9\uc774 \ubc88\uac70\ub85c\uc6cc\uc9d1\ub2c8\ub2e4.<\/p>\n

\uc77c\ubc18\uc801\uc778 \uc2dc\ub098\ub9ac\uc624:<\/strong>
\n- \uc124\uce58\uc790\ub294 \ub354 \uc791\uc740 \ud4e8\uc988\uac00 \ub354 \ub098\uc740 \ubcf4\ud638 \uae30\ub2a5\uc744 \uc81c\uacf5\ud55c\ub2e4\uace0 \uac00\uc815\ud569\ub2c8\ub2e4.
\n- 1.56\u00d7 Isc \uc694\uad6c \uc0ac\ud56d\uc744 \uacc4\uc0b0\ud558\uc9c0 \uc54a\uace0 \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uac00\uc7a5 \uac00\uae4c\uc6b4 \ud4e8\uc988 \uc0ac\uc6a9
\n- \ub192\uc740 \uc870\ub3c4(1.25\ubc30 \ud45c\uc900)\uc5d0\uc11c\uc758 Isc \uc99d\uac00\ub97c \uace0\ub824\ud558\uc9c0 \ubabb\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc218\uc815:<\/strong> \ud56d\uc0c1 \ucd5c\uc18c \ud4e8\uc988 \ud06c\uae30\ub294 \ub370\uc774\ud130\uc2dc\ud2b8\uc5d0\uc11c 1.56 \u00d7 \ubaa8\ub4c8 Isc\ub85c \uacc4\uc0b0\ud558\uc138\uc694. \ub2e4\uc74c \ud45c\uc900 \ud4e8\uc988 \uc815\uaca9\uc73c\ub85c \ubc18\uc62c\ub9bc\ud569\ub2c8\ub2e4. 9.5A Isc\uc758 \uacbd\uc6b0 \ucd5c\uc18c 15A \ud4e8\uc988\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. \uac80\uc0ac \uc2b9\uc778\uc744 \uc704\ud574 \ucef4\ubc14\uc774\ub108 \ud68c\ub85c\ub3c4\uc5d0 \uacc4\uc0b0\uc744 \ubb38\uc11c\ud654\ud569\ub2c8\ub2e4.<\/p>\n

DC \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 AC \ucc28\ub2e8\uae30<\/h3>\n

\ubb38\uc81c\uc785\ub2c8\ub2e4:<\/strong> DC \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4\uc5d0 AC \uc815\uaca9 \ud68c\ub85c \ucc28\ub2e8\uae30\ub97c \uc124\uce58\ud558\uba74 DC \uc544\ud06c \ucc28\ub2e8\uc774 \ub418\uc9c0 \uc54a\uc544 \uce58\uba85\uc801\uc778 \uc544\ud06c \ud50c\ub798\uc2dc \uc704\ud5d8\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc77c\ubc18\uc801\uc778 \uc2dc\ub098\ub9ac\uc624:<\/strong>
\n- \uc804\uae30 \uacf5\uae09 \uc7a5\uce58 \uc7ac\uace0\uc5d0\uc11c \ub0a8\uc740 AC \ucc28\ub2e8\uae30 \uc0ac\uc6a9
\n- \ub354 \ub192\uc740 AC \uc815\uaca9 \uc804\ub958\uac00 \uc801\uc808\ud55c DC \ubcf4\ud638 \uae30\ub2a5\uc744 \uc81c\uacf5\ud55c\ub2e4\uace0 \uac00\uc815\ud560 \uacbd\uc6b0
\n- \ucc28\ub2e8\uae30 \ub77c\ubca8\uc758 \u201cDC\u201d \ud45c\uc2dc \ubbf8\ud655\uc778<\/p>\n

\uc218\uc815:<\/strong> \ubaa8\ub4e0 \ud68c\ub85c \ucc28\ub2e8\uae30\uc758 \uba85\uc2dc\uc801\uc778 DC \uc804\uc555 \uc815\uaca9\uc774 \uc2dc\uc2a4\ud15c Voc\uc640 \uac19\uac70\ub098 \ucd08\uacfc\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. DC \uc778\ud130\ub7fd\ud2b8 \uc6a9\ub7c9\uc740 \uc81c\uc870\uc5c5\uccb4 \ub370\uc774\ud130\uc2dc\ud2b8\ub97c \ud655\uc778\ud558\uc138\uc694. AC \uc815\uaca9\uc774 DC \ud68c\ub85c\uc5d0 \uc801\uc6a9\ub41c\ub2e4\uace0 \uac00\uc815\ud558\uc9c0 \ub9c8\uc138\uc694. AC\uc640 DC\ub294 \uc544\ud06c \ubb3c\ub9ac\ud559\uc774 \uadfc\ubcf8\uc801\uc73c\ub85c \ub2e4\ub985\ub2c8\ub2e4.<\/p>\n

\ubd80\uc801\uc808\ud55c \uc778\ud074\ub85c\uc800 \ub0a0\uc528 \ub4f1\uae09<\/h3>\n

\ubb38\uc81c\uc785\ub2c8\ub2e4:<\/strong> \uc2e4\ub0b4 \ub4f1\uae09 \ub610\ub294 \ubd88\ucda9\ubd84\ud558\uac8c \ubc00\ud3d0\ub41c \uc778\ud074\ub85c\uc800\ub97c \uc0ac\uc6a9\ud558\uba74 \uc2b5\uae30 \uce68\uc785, \ubd80\uc2dd \ubc0f \uc7a5\ube44 \uace0\uc7a5\uc73c\ub85c \uc774\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc77c\ubc18\uc801\uc778 \uc2dc\ub098\ub9ac\uc624:<\/strong>
\n- \uc678\ubcbd\uc5d0 NEMA 1(\uc2e4\ub0b4) \uc778\ud074\ub85c\uc800 \uc124\uce58\ud558\uae30
\n- \ubc14\ub78c\uc73c\ub85c \uc778\ud574 \ube44\uac00 \ub0b4\ub9ac\ub294 \ub178\ucd9c\ub41c \uc9c0\ubd95 \ub9c8\uc6b4\ud2b8\uc5d0 NEMA 3R \uc0ac\uc6a9
\n- \ud574\uc548 \ud658\uacbd \ubd80\uc2dd \uc694\uad6c \uc0ac\ud56d \ubb34\uc2dc<\/p>\n

\uc218\uc815:<\/strong> \uc9c0\ubd95\uc774 \uc788\ub294 \uc2e4\uc678 \uc704\uce58\uc758 \uacbd\uc6b0 \ucd5c\uc18c NEMA 3R, \ub178\ucd9c\ub41c \uc124\uce58\uc758 \uacbd\uc6b0 NEMA 4X\ub97c \uc9c0\uc815\ud558\uc138\uc694. \ubc14\ub2f7\ubb3c\uc5d0\uc11c 5\ub9c8\uc77c \uc774\ub0b4\uc758 \ud574\uc548\uac00 \ud658\uacbd\uc5d0\uc11c\ub294 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8 \ub610\ub294 \uc720\ub9ac\uc12c\uc720 \uad6c\uc870\ubb3c\uc744 \uc0ac\uc6a9\ud558\uc138\uc694. \ubaa8\ub4e0 \ub3c4\uad00 \uc785\uad6c\uc5d0 \uc2b5\uae30 \uc720\uc785\uc744 \ubc29\uc9c0\ud558\ub294 \uac1c\uc2a4\ud0b7\uc774 \uc788\ub294 \uc801\uc808\ud55c \ud5c8\ube0c\ub97c \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

\ub204\ub77d\ub418\uc5c8\uac70\ub098 \ubd80\uc801\uc808\ud55c SPD \uc124\uce58<\/h3>\n

\ubb38\uc81c\uc785\ub2c8\ub2e4:<\/strong> \uc11c\uc9c0 \ubcf4\ud638\ub97c \uc0dd\ub7b5\ud558\uac70\ub098 \uc798\ubabb\ub41c SPD \uc0ac\uc591\uc744 \uc0ac\uc6a9\ud558\uba74 \uace0\uac00\uc758 \uc778\ubc84\ud130\uac00 \ub099\ub8b0 \ud53c\ud574\uc5d0 \ucde8\uc57d\ud574\uc9d1\ub2c8\ub2e4.<\/p>\n

\uc77c\ubc18\uc801\uc778 \uc2dc\ub098\ub9ac\uc624:<\/strong>
\n- SPD\ub97c \ud544\uc218 \ubcf4\ud638\uac00 \uc544\ub2cc \uc120\ud0dd \uc0ac\ud56d\uc73c\ub85c \ucde8\uae09\ud558\uae30
\n- 700V+ \uc2dc\uc2a4\ud15c\uc5d0\uc11c 600V SPD \uc0ac\uc6a9(MCOV \ubd80\uc801\ud569)
\n- \uc778\ub355\ud134\uc2a4\ub97c \ucd94\uac00\ud558\ub294 \uacfc\ub3c4\ud55c SPD \uc811\uc9c0 \ub9ac\ub4dc \uae38\uc774<\/p>\n

\uc218\uc815:<\/strong> \ubaa8\ub4e0 \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4\uc5d0 \uc720\ud615 2 SPD\ub97c \ud45c\uc900\uc73c\ub85c \uc124\uce58\ud569\ub2c8\ub2e4. MCOV \ub4f1\uae09 1.2\u00d7 \uc2dc\uc2a4\ud15c \ucd5c\ub300 Voc\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4. \uc811\uc9c0 \ub3c4\uccb4 \uae38\uc774\ub97c \ucd5c\ub300 12\uc778\uce58\ub85c \uc81c\ud55c\ud558\uc5ec \ub8e8\ud504\ub97c \ud53c\ud558\uc138\uc694. \uc5f0\uacb0 \uae38\uc774\ub97c \ucd5c\uc18c\ud654\ud558\uae30 \uc704\ud574 \ubc84\uc2a4\ubc14\uc5d0 \uac00\uae5d\uac8c SPD\ub97c \uc7a5\ucc29\ud558\uc138\uc694.<\/p>\n

\ube44\uc6a9 \ubd84\uc11d \ubc0f \uad6c\uc131 \uc694\uc18c \uc608\uc0b0<\/h2>\n

NEMA 3R \uc778\ud074\ub85c\uc800, \ud640\ub354\uac00 \uc788\ub294 15A \ud4e8\uc988 3\uac1c, 100A \uad6c\ub9ac \ubc84\uc2a4\ubc14, 40A DC \ucc28\ub2e8\uae30 \ubc0f \uae30\ubcf8 SPD\ub97c \ud3ec\ud568\ud55c \uae30\ubcf8 3 \uc2a4\ud2b8\ub9c1 \ucef4\ubc14\uc774\ub108 \uad6c\uc131 \uc694\uc18c\ub294 \uc7ac\ub8cc\ube44\uac00 $400-600\uc785\ub2c8\ub2e4. \uc870\ub9bd \ubc0f \uc124\uce58 \uc778\uac74\ube44\ub294 \uc704\uce58\uc758 \ubcf5\uc7a1\uc131\uacfc \ud544\uc694\ud55c \ub3c4\uad00 \uae38\uc774\uc5d0 \ub530\ub77c $300-500\uc774 \ucd94\uac00\ub429\ub2c8\ub2e4. \ucd1d \uc124\uce58 \ube44\uc6a9\uc740 \uc77c\ubc18\uc801\uc778 \uc8fc\uac70\uc6a9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uacbd\uc6b0 $700~1,100\uc785\ub2c8\ub2e4.<\/p>\n

NEMA 4X \uc778\ud074\ub85c\uc800, \uc6d0\uaca9 \ubaa8\ub2c8\ud130\ub9c1 \uae30\ub2a5\uc774 \uc788\ub294 \ud5a5\uc0c1\ub41c SPD \ubc0f \ud1b5\ud569 \uc2a4\ud2b8\ub9c1 \ubaa8\ub2c8\ud130\ub9c1 \ud130\ubbf8\ub110\uc774 \ud3ec\ud568\ub41c \ud504\ub9ac\ubbf8\uc5c4 3 \uc2a4\ud2b8\ub9c1 \ucef4\ubc14\uc774\ub108\uc758 \uc7ac\ub8cc\ube44\ub294 $800-1,200\ub2ec\ub7ec\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc5c5\uadf8\ub808\uc774\ub4dc\ub97c \ud1b5\ud574 \uc7a5\uae30\uc801\uc778 \uc548\uc815\uc131\uc774 \ud5a5\uc0c1\ub418\uace0 \uc720\uc9c0\ubcf4\uc218\uac00 \uac04\uc18c\ud654\ub429\ub2c8\ub2e4. \uc778\uac74\ube44\ub294 $300-500\uc73c\ub85c \ube44\uc2b7\ud558\uac8c \uc720\uc9c0\ub429\ub2c8\ub2e4. \ucd1d \uc124\uce58 \ube44\uc6a9\uc740 \uace0\uc0ac\uc591 \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0 $1,100-1,700\uc5d0 \uc774\ub985\ub2c8\ub2e4.<\/p>\n

Midnite Solar \ub610\ub294 \uc288\ub098\uc774\ub354 \uc77c\ub809\ud2b8\ub9ad\uacfc \uac19\uc740 \uc81c\uc870\uc5c5\uccb4\uc758 \uc0ac\uc804 \uc870\ub9bd \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4\ub294 \uacf5\uc7a5 \ubc30\uc120 \ubc0f \ud14c\uc2a4\ud2b8\ub97c \ud1b5\ud574 \uc124\uce58 \ub178\ub3d9\ub825\uc744 50~60%\uae4c\uc9c0 \uc808\uac10\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc720\ub2db\uc758 \uac00\uaca9\uc740 $600-900\uc774\uc9c0\ub9cc \ud604\uc7a5\uc5d0\uc11c \uc870\ub9bd\ud558\ub294 \uacbd\uc6b0 3~4\uc2dc\uac04\uc774 \uac78\ub9ac\ub294 \ub370 \ube44\ud574 1~2\uc2dc\uac04\uc774\uba74 \uc124\uce58\uac00 \uc644\ub8cc\ub429\ub2c8\ub2e4. \ucd1d \ube44\uc6a9 \ube44\uad50: \uc0ac\uc804 \uc870\ub9bd\uc758 \uacbd\uc6b0 $900-1,200, \ud604\uc7a5 \uad6c\ucd95\uc758 \uacbd\uc6b0 $700-1,100\uc774\uba70, \ub354 \ub098\uc740 \ud488\uc9c8 \uad00\ub9ac \ubc0f \ubcf4\uc99d \ubc94\uc704\uac00 \ud504\ub9ac\ubbf8\uc5c4\uc744 \uc815\ub2f9\ud654\ud569\ub2c8\ub2e4.<\/p>\n

\uc2dc\uc2a4\ud15c \uc218\uba85 \uae30\uac04 \ub3d9\uc548 \uc720\uc9c0\ubcf4\uc218 \ube44\uc6a9\uc5d0\ub294 \ub4dc\ubb38 \uc11c\uc9c0 \ubc1c\uc0dd \ud6c4 \ud4e8\uc988 \uad50\uccb4(\ud4e8\uc988\ub2f9 $15-25), 5~7\ub144\ub9c8\ub2e4 SPD \uad50\uccb4($150-300), \uc815\uae30 \uac80\uc0ac \uc778\uac74\ube44(\uc5f0\uac04 $100-150)\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4. \ucd1d 20\ub144 \uc720\uc9c0\ubcf4\uc218 \ube44\uc6a9 $800-1,500\uc740 \ucd08\uae30 \uad6c\uc131 \uc694\uc18c \uc120\ud0dd\uc5d0 \uace0\ub824\ud574\uc57c \ud558\uba70, \ud504\ub9ac\ubbf8\uc5c4 \uad6c\uc131 \uc694\uc18c\uc5d0 \ucd08\uae30\uc5d0 $200\uc744 \ub354 \uc9c0\ucd9c\ud558\uba74 \uc2dc\uc2a4\ud15c \uc218\uba85 \ub3d9\uc548 $400-600\uc758 \uc720\uc9c0\ubcf4\uc218 \ube44\uc6a9\uc744 \uc808\uc57d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\ud14c\uc2a4\ud2b8 \ubc0f \ucee4\ubbf8\uc154\ub2dd \uc808\ucc28<\/h2>\n<\/p>\n

\uac1c\ubc29 \ud68c\ub85c \uc804\uc555 \uce21\uc815\uc740 \ucef4\ubc14\uc774\ub108\uc5d0 \uc804\uc6d0\uc744 \uacf5\uae09\ud558\uae30 \uc804\uc5d0 \uc2a4\ud2b8\ub9c1 \uc5f0\uacb0\uc774 \uc62c\ubc14\ub978\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. \ud4e8\uc988 \uc785\ub825\uc5d0\uc11c \uac01 \uc2a4\ud2b8\ub9c1 Voc\ub97c \uce21\uc815\ud569\ub2c8\ub2e4. \ud310\ub3c5\uac12\uc774 5% \uc774\ub0b4\ub85c \uc77c\uce58\ud574\uc57c \uc2a4\ud2b8\ub9c1\uc774 \uade0\ud615 \uc7a1\ud600 \uc788\uc74c\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc804\uc555 \ucc28\uc774\uac00 \ud06c\uba74 \ubc30\uc120 \uc624\ub958, \uc74c\uc601 \ud328\ub110 \ub610\ub294 \ubaa8\ub4c8 \uacb0\ud568\uc774 \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc870\ub3c4\uac00 \ub0ae\uc744\uc218\ub85d \uc804\uc555\uc774 \ub354 \uc548\uc804\ud55c \uc218\uc900\uc73c\ub85c \ub0ae\uc544\uc9c0\ub294 \uc774\ub978 \uc544\uce68\uc774\ub098 \ub2a6\uc740 \uc800\ub141\uc5d0 \ud14c\uc2a4\ud2b8\ub97c \uc218\ud589\ud558\uc138\uc694.<\/p>\n

\uc778\ubc84\ud130\uc5d0 \uc5f0\uacb0\ud558\uae30 \uc804\uc5d0 \uc808\uc5f0 \uc800\ud56d \ud14c\uc2a4\ud2b8\ub97c \ud1b5\ud574 \uc811\uc9c0 \uacb0\ud568\uc774 \uc5c6\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. 1000V \uba54\uace0\uc634 \ubbf8\ud130\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubaa8\ub4e0 \ud4e8\uc988\uac00 \uc124\uce58\ub418\uc5b4 \uc788\uc9c0\ub9cc \uc8fc \ucc28\ub2e8\uae30\uac00 \uc5f4\ub824 \uc788\ub294 \uc0c1\ud0dc\uc5d0\uc11c \uc591\uadf9 \ubc84\uc2a4\ubc14\uc5d0\uc11c \uc811\uc9c0\uae4c\uc9c0, \uc74c\uadf9 \ubc84\uc2a4\ubc14\uc5d0\uc11c \uc811\uc9c0\uae4c\uc9c0 \uc800\ud56d\uc744 \uce21\uc815\ud569\ub2c8\ub2e4. \ud310\ub3c5\uac12\uc740 \uc2dc\uc2a4\ud15c \uc804\uc555\uc758 1M\u03a9\/kV\ub97c \ucd08\uacfc\ud574\uc57c \ud569\ub2c8\ub2e4(600V \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0 \u2265600M\u03a9). 100M\u03a9 \ubbf8\ub9cc\uc758 \uac12\uc740 \uc808\uc5f0 \uc190\uc0c1 \ub610\ub294 \uc2b5\uae30 \ubb38\uc81c\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n

\uadf9\uc131 \ud655\uc778\uc740 \uc778\ubc84\ud130 \ub610\ub294 \ubaa8\ub2c8\ud130\ub9c1 \uc7a5\ube44\ub97c \uc190\uc0c1\uc2dc\ud0ac \uc218 \uc788\ub294 \uc5ed\ubc29\ud5a5 \uc5f0\uacb0\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4. \uba40\ud2f0\ubbf8\ud130\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc591\uadf9 \uc2a4\ud2b8\ub9c1 \ub3c4\uccb4\uac00 \uc591\uadf9 \ubc84\uc2a4\ubc14\uc5d0 \uc5f0\uacb0\ub418\uace0 \uc74c\uadf9 \ubc84\uc2a4\ubc14\uc5d0 \uc5f0\uacb0\ub418\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. \uc0c9\uc0c1\uc73c\ub85c \uad6c\ubd84\ub41c \ub3c4\uccb4(\ube68\uac04\uc0c9=\uc591\uadf9, \uac80\uc740\uc0c9\/\ud770\uc0c9=\uc74c\uadf9)\ub294 \uc624\ub958\ub97c \ubc29\uc9c0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \ud5a5\ud6c4 \uc720\uc9c0\ubcf4\uc218 \uc2dc \ucc38\uc870\ud560 \uc218 \uc788\ub3c4\ub85d \ucef4\ubc14\uc774\ub108 \ub0b4\ubd80 \ub77c\ubca8\uc5d0 \uadf9\uc131\uc744 \ud45c\uc2dc\ud558\uc138\uc694.<\/p>\n

\uae30\ub2a5 \ud14c\uc2a4\ud2b8\uc5d0\ub294 SPD \ud45c\uc2dc\ub4f1\uc774 \ub179\uc0c9\/\uc791\ub3d9 \uc0c1\ud0dc\ub97c \ud45c\uc2dc\ud558\ub294\uc9c0, \uc8fc \ucc28\ub2e8\uae30\uac00 \uc628-\uc624\ud504 \uc0ac\uc774\ud074 \ub3d9\uc548 \uc6d0\ud65c\ud558\uac8c \uc791\ub3d9\ud558\ub294\uc9c0, \ubaa8\ub4e0 \ud4e8\uc988 \ud640\ub354\uac00 \ub2e8\ub2e8\ud788 \uc804\uae30\uc801\uc73c\ub85c \uc811\ucd09\ud558\ub294\uc9c0 \ud655\uc778\ud558\ub294 \uac83\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. 30\ubd84 \uc791\ub3d9 \ud6c4 \uacfc\ub3c4\ud55c \uc628\ub3c4 \uc0c1\uc2b9\uc774 \uc788\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. \ubc84\uc2a4\ubc14\uc640 \uc5f0\uacb0\ubd80\ub294 \uc8fc\ubcc0 \uc628\ub3c4\uc640 \ube44\uc2b7\ud558\uac8c \uc720\uc9c0\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \ud56b\uc2a4\ud31f\uc740 \uc9c0\uc815\ub41c \ud1a0\ud06c \uac12\uc73c\ub85c \uc870\uc5ec\uc57c \ud558\ub294 \ub290\uc2a8\ud55c \uc5f0\uacb0\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n

\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n

3 \uc2a4\ud2b8\ub9c1 \uac00\uc815\uc6a9 \ud0dc\uc591\uad11 \uc2dc\uc2a4\ud15c\uc5d0\ub294 \uc5b4\ub5a4 \ud06c\uae30\uc758 \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4\uac00 \ud544\uc694\ud569\ub2c8\uae4c?<\/h3>\n<\/p>\n

12\u2033\u00d712\u2033\u00d76\u2033 NEMA 3R \ub610\ub294 4X \uc778\ud074\ub85c\uc800\uc5d0\ub294 3\uac1c\uc758 \ud4e8\uc988 \ud640\ub354, \uc591\uadf9 \ubc0f \uc74c\uadf9 \ubc84\uc2a4\ubc14, 40A \uc8fc \ucc28\ub2e8\uae30, \uc720\ud615 2 SPD \ubc0f \uc811\uc9c0 \ubc84\uc2a4\ub97c \ud3ec\ud568\ud55c \ud45c\uc900 3 \uc2a4\ud2b8\ub9c1 \ucef4\ubc14\uc774\ub108 \uad6c\uc131 \uc694\uc18c\ub97c \uc218\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud5a5\ud6c4 \ud655\uc7a5 \ub610\ub294 \uc2a4\ud2b8\ub9c1 \ubaa8\ub2c8\ud130\ub9c1 \ud1b5\ud569\uc744 \uacc4\ud68d \uc911\uc778 \uc124\uce58\uc758 \uacbd\uc6b0 \ucd94\uac00 \uc791\uc5c5 \uacf5\uac04\uc744 \uc81c\uacf5\ud558\ub294 14\u2033\u00d712\u2033\u00d78\u2033 \ub610\ub294 16\u2033\u00d714\u2033\u00d78\u2033 \uc778\ud074\ub85c\uc800\ub97c \uc9c0\uc815\ud558\uc138\uc694. \uc778\ud074\ub85c\uc800\ub294 NEC 110.26\uc5d0 \ub530\ub77c \uc804\uc6d0\uc774 \uacf5\uae09\ub418\ub294 \uad6c\uc131 \uc694\uc18c\uc640 \ubcbd \uc0ac\uc774\uc5d0 \ucd5c\uc18c 6\uc778\uce58\uc758 \uac04\uaca9\uc744 \uc720\uc9c0\ud574\uc57c \ud569\ub2c8\ub2e4. \ucd1d \uad6c\uc131 \uc694\uc18c \ubb34\uac8c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 8~15\ud30c\uc6b4\ub4dc\uc774\uba70 \uacac\uace0\ud55c \ub9c8\uc6b4\ud305 \ud558\ub4dc\uc6e8\uc5b4\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n

3 \uc2a4\ud2b8\ub9c1 \ucef4\ubc14\uc774\ub108\uc5d0 15A \ud4e8\uc988 \ub300\uc2e0 10A \ud4e8\uc988\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub098\uc694?<\/h3>\n<\/p>\n

\ud4e8\uc988 \ud06c\uae30\ub294 NEC 690.9(B)\uc5d0 \ub530\ub77c \uc2a4\ud2b8\ub9c1 \ub2e8\ub77d \uc804\ub958\uc758 1.56\ubc30 \uc774\uc0c1\uc774\uc5b4\uc57c \ud569\ub2c8\ub2e4. Isc\uac00 9-10A\uc778 \uc77c\ubc18\uc801\uc778 \uc8fc\uac70\uc6a9 \ud328\ub110\uc758 \uacbd\uc6b0 \ucd5c\uc18c \ud4e8\uc988 \uc815\uaca9\uc740 14-15.6A\uc774\ubbc0\ub85c \ud45c\uc900 15A \ud4e8\uc988\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. 10A \ud4e8\uc988\ub97c \uc0ac\uc6a9\ud558\uba74 \uc870\ub3c4\uac00 \ub192\uc740 \uc870\uac74\uc774\ub098 \uc2a4\ud2b8\ub9c1 \uc804\ub958\uac00 10-20%\ub85c \uc99d\uac00\ud558\ub294 \ucd94\uc6b4 \ub0a0\uc528\uc5d0 \ud4e8\uc988 \uc791\ub3d9\uc5d0 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud56d\uc0c1 \ubaa8\ub4c8 \ub370\uc774\ud130\uc2dc\ud2b8 Isc\ub97c \uae30\uc900\uc73c\ub85c \ud4e8\uc988 \ud06c\uae30\ub97c \uacc4\uc0b0\ud55c \ub2e4\uc74c \uacc4\uc0b0\ub41c \ucd5c\uc18c \ub4f1\uae09\ubcf4\ub2e4 \ub192\uc740 \ub2e4\uc74c \ud45c\uc900 \ub4f1\uae09\uc744 \uc120\ud0dd\ud558\uc138\uc694.<\/p>\n

\uc138 \uac1c\uc758 \uc2a4\ud2b8\ub9c1 \ubaa8\ub450 \uac1c\ubcc4 \ud4e8\uc988\uac00 \ud544\uc694\ud55c\uac00\uc694, \uc544\ub2c8\uba74 \ub354 \ud070 \ud4e8\uc988 \ud558\ub098\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub098\uc694?<\/h3>\n<\/p>\n

\uac01 \uc2a4\ud2b8\ub9c1\uc5d0\ub294 NEC 690.9(A)\uc5d0 \ub530\ub77c \uac1c\ubcc4 \ud4e8\uc988\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ud558\ub098\uc758 \uacb0\ud569 \ud4e8\uc988(\uc608: 10A \uc2a4\ud2b8\ub9c1 3\uac1c\uc5d0 40A \ud4e8\uc988 1\uac1c)\ub97c \uc0ac\uc6a9\ud558\uba74 \uc2a4\ud2b8\ub9c1 \ub808\ubca8 \ubcf4\ud638\uac00 \uc81c\uac70\ub418\uace0 \uaddc\uc815\uc744 \uc704\ubc18\ud558\uac8c \ub429\ub2c8\ub2e4. \uac1c\ubcc4 \ud4e8\uc988\ub97c \uc0ac\uc6a9\ud558\uba74 \ub2e4\ub978 \uc2a4\ud2b8\ub9c1\uc740 \uacc4\uc18d \uc791\ub3d9\ud558\ub294 \ub3d9\uc548 \ub2e8\uc77c \uacb0\ud568\uc774 \uc788\ub294 \uc2a4\ud2b8\ub9c1\uc744 \ubd84\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \ubcd1\ub82c\ub85c \uc5f0\uacb0\ub41c \uc2a4\ud2b8\ub9c1\uc5d0\uc11c \uacb0\ud568\uc774 \uc788\ub294 \uc2a4\ud2b8\ub9c1\uc73c\ub85c \uc5ed\ub958\ud558\ub294 \uac83\uc744 \ubc29\uc9c0\ud558\ub294 \uc5ed\uc804\ub958 \ubcf4\ud638 \uae30\ub2a5\ub3c4 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ube44\uc6a9 \uc808\uac10\uc744 \uc704\ud574 \uc2a4\ud2b8\ub9c1 \ub808\ubca8 \ud4e8\uc9d5\uc744 \uc0dd\ub7b5\ud558\uc9c0 \ub9c8\uc138\uc694. \ubcf4\ud638 \uae30\ub2a5\uc740 \uc548\uc804 \ubc0f \uaddc\uc815 \uc900\uc218\ub97c \uc704\ud574 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n

\ucef4\ubc14\uc774\ub108 \ubc15\uc2a4\uc6a9 NEMA 3R\uacfc NEMA 4X \uc778\ud074\ub85c\uc800\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3>\n<\/p>\n

NEMA 3R \uc778\ud074\ub85c\uc800\ub294 \ucc98\ub9c8 \ubc11\uc774\ub098 \uadf8\ub298\uc9c4 \ubcbd\uc758 \uc9c0\ubd95\uc774 \uc788\ub294 \uc2e4\uc678 \uc7a5\uc18c\uc5d0 \uc801\ud569\ud55c \ubc29\uc218 \ubcf4\ud638 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uac15\uc6b0\ub85c \uc778\ud55c \ubb3c\uc758 \uce68\uc785\uc744 \ubc29\uc9c0\ud558\ub294 \ubc30\uc218 \uc7a5\uce58\uc640 \uac1c\uc2a4\ud0b7\uc774 \ud2b9\uc9d5\uc785\ub2c8\ub2e4. NEMA 4X \uc778\ud074\ub85c\uc800\ub294 \uc644\uc804\ud788 \ubc00\ud3d0\ub41c \uac1c\uc2a4\ud0b7\uacfc \uc2a4\ud14c\uc778\ub9ac\uc2a4 \ub610\ub294 \uc720\ub9ac \uc12c\uc720 \uad6c\uc870\ub85c \ube57\ubb3c, \ubc14\ub78c\uc5d0 \ub0a0\ub9ac\ub294 \uba3c\uc9c0, \ubd80\uc2dd\uc5d0 \ub300\ud55c \ud0c1\uc6d4\ud55c \ubcf4\ud638 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. $50-100\uc744 \uc808\uc57d\ud558\ub294 \ub36e\uac1c\ud615 \uc124\uce58\uc5d0\ub294 NEMA 3R\uc744 \uc0ac\uc6a9\ud558\uace0, \ud504\ub9ac\ubbf8\uc5c4 \ube44\uc6a9\uc73c\ub85c 20\ub144 \uc774\uc0c1\uc758 \uc11c\ube44\uc2a4 \uc218\uba85\uc744 \ubcf4\uc7a5\ud558\ub294 \ub178\ucd9c\ud615 \uc9c0\ubd95 \ub9c8\uc6b4\ud2b8 \ubc0f \ud574\uc548\uac00 \ud658\uacbd\uc5d0\ub294 NEMA 4X\ub97c \uc0ac\uc6a9\ud558\uc138\uc694.<\/p>\n

3 \uc2a4\ud2b8\ub9c1 \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4\uc758 \uc8fc\ud68c\ub85c \ucc28\ub2e8\uae30 \ud06c\uae30\ub294 \uc5b4\ub5bb\uac8c \uacb0\uc815\ud558\ub098\uc694?<\/h3>\n<\/p>\n

\ucd5c\ub300 \uacb0\ud569 \uc2a4\ud2b8\ub9c1 \uc804\ub958(\uc77c\ubc18\uc801\uc73c\ub85c \uc2a4\ud2b8\ub9c1\ub2f9 9-10A \u00d7 3 = 27-30A)\ub97c \uacc4\uc0b0\ud55c \ub2e4\uc74c NEC 690.8(A)\uc5d0 \ub530\ub978 \uc548\uc804 \uacc4\uc218 1.25\ub97c \uacf1\ud569\ub2c8\ub2e4. 30A \uacb0\ud569 \uc804\ub958\uc758 \uacbd\uc6b0 \ucd5c\uc18c \ucc28\ub2e8\uae30 \uc815\uaca9\uc740 37.5A\uc785\ub2c8\ub2e4. \ub2e4\uc74c \ud45c\uc900 \ud06c\uae30\uc778 40A \ub610\ub294 50A\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4. 40A \uc815\uaca9\uc740 \uc131\uac00\uc2e0 \ud2b8\ub9bd\uc758 \uc704\ud5d8 \uc5c6\uc774 \ub354 \ub098\uc740 \uacfc\ubd80\ud558 \ubcf4\ud638 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ucc28\ub2e8\uae30\uc758 DC \uc804\uc555 \uc815\uaca9\uc774 \uc2dc\uc2a4\ud15c \ucd5c\ub300 Voc\ub97c \ucd08\uacfc\ud558\ub294\uc9c0 \ud655\uc778\ud558\uc138\uc694(600-700V \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0 1000V DC \ucc28\ub2e8\uae30 \uc0ac\uc6a9). AC \ucc28\ub2e8\uae30\ub294 DC \uc544\ud06c \ucc28\ub2e8 \uae30\ub2a5\uc774 \uc5c6\uc73c\ubbc0\ub85c \uc808\ub300 \uc0ac\uc6a9\ud558\uc9c0 \ub9c8\uc138\uc694.<\/p>\n

3 \uc2a4\ud2b8\ub9c1 \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4\ub97c \uc9c1\uc811 \uc124\uce58\ud560 \uc218 \uc788\ub098\uc694, \uc544\ub2c8\uba74 \uc804\uae30 \uae30\uc220\uc790\uac00 \ud544\uc694\ud558\ub098\uc694?<\/h3>\n<\/p>\n

\ub300\ubd80\ubd84\uc758 \uad00\ud560 \uc9c0\uc5ed\uc5d0\uc11c\ub294 1kW \uc6a9\ub7c9\uc744 \ucd08\uacfc\ud558\ub294 PV \uc2dc\uc2a4\ud15c \uc791\uc5c5 \uc2dc \uba74\ud5c8\ub97c \uc18c\uc9c0\ud55c \uc804\uae30 \uae30\uc220\uc790\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ud604\uc9c0 \ubc95\uaddc\uc5d0\uc11c DIY \uc124\uce58\ub97c \ud5c8\uc6a9\ud558\ub354\ub77c\ub3c4 \uc801\uc808\ud55c \uacb0\ud569\uae30 \uc870\ub9bd\uc744 \uc704\ud574\uc11c\ub294 NEC 690\uc870, DC \ud68c\ub85c \ubcf4\ud638 \uc6d0\uce59 \ubc0f \uc548\uc804\ud55c \uc804\uae30 \uad00\ud589\uc5d0 \ub300\ud55c \uc9c0\uc2dd\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. DC \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 AC \ucc28\ub2e8\uae30\ub97c \uc0ac\uc6a9\ud558\uac70\ub098 \ud4e8\uc988 \ud06c\uae30\uac00 \uc791\uac70\ub098 \ubd80\uc801\uc808\ud55c \uc811\uc9c0\ub97c \ud558\ub294 \ub4f1\uc758 \uc2e4\uc218\ub294 \uc2ec\uac01\ud55c \uc548\uc804 \uc704\ud5d8\uc744 \ucd08\ub798\ud558\uace0 \uc7a5\ube44 \ubcf4\uc99d\uc744 \ubb34\ud6a8\ud654\ud569\ub2c8\ub2e4. 10kW \uc774\uc0c1\uc758 \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0, \ubd80\uc801\uc808\ud55c DIY \uc791\uc5c5\uc73c\ub85c \uc778\ud55c \ucc45\uc784 \ubc0f \ubcf4\ud5d8 \ubb38\uc81c\uc5d0 \ube44\ud574 \uc804\ubb38\uac00\uc758 \uc124\uce58\uac00 \ube44\uc6a9 \ud6a8\uc728\uc801\uc774\ub77c\ub294 \uac83\uc774 \uc785\uc99d\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc5b4\ub808\uc774 \ubc0f \uc778\ubc84\ud130\uc640 \uad00\ub828\ud558\uc5ec 3 \uc2a4\ud2b8\ub9c1 \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4\ub97c \uc5b4\ub514\uc5d0 \uc7a5\ucc29\ud574\uc57c \ud558\ub098\uc694?<\/h3>\n<\/p>\n

\ucef4\ubc14\uc774\ub108\ub97c \uc138 \uac1c\uc758 \uc2a4\ud2b8\ub9c1 \uc6d0\uc810 \uc0ac\uc774\uc5d0 \uc911\uc559\uc5d0 \uc124\uce58\ud558\uc5ec \uc5b4\ub808\uc774\uc5d0\uc11c \ucef4\ubc14\uc774\ub108\uae4c\uc9c0\uc758 \ucd1d \ub3c4\uccb4 \uae38\uc774\ub97c \ucd5c\uc18c\ud654\ud569\ub2c8\ub2e4. \ub0b4\ubd80 \uc628\ub3c4\ub97c \ub0ae\ucd94\uae30 \uc704\ud574 \ubd81\ucabd\uc744 \ud5a5\ud55c \ubcbd\uc774\ub098 \uadf8\ub298\uc9c4 \uacf3\uc5d0 \uc124\uce58\ud558\uc138\uc694. \ucef4\ubc14\uc774\ub108\ub97c \uc778\ubc84\ud130 \uc785\ub825\uc5d0\uc11c 10~15\ud53c\ud2b8 \uc774\ub0b4\uc5d0 \uc720\uc9c0\ud558\uc5ec \uc804\uc555 \uac15\ud558\ub97c \ucd5c\uc18c\ud654\ud558\uace0 \ub3c4\uad00 \ub77c\uc6b0\ud305\uc744 \uac04\uc18c\ud654\ud569\ub2c8\ub2e4. \uc720\uc9c0\ubcf4\uc218 \uc811\uadfc\uc744 \uc704\ud574 NEC 110.26\uc5d0 \ub530\ub77c \ucef4\ubc14\uc774\ub108 \uc55e\uc5d0 \ucd5c\uc18c 36\uc778\uce58\uc758 \uc791\uc5c5 \uac04\uaca9\uc744 \uc720\uc9c0\ud558\uc138\uc694. \uc9c0\uc0c1 \uc7a5\ucc29 \uc5b4\ub808\uc774\uc758 \uacbd\uc6b0 \uc2b5\uae30 \ubc0f \uc774\ubb3c\uc9c8\uc774 \uc313\uc774\uc9c0 \uc54a\ub3c4\ub85d 18-24\uc778\uce58 \ub192\uc774\uc758 \ub0b4\ud6c4\uc131 \ud3ec\uc2a4\ud2b8 \ub9c8\uc6b4\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc138\uc694.<\/p>\n

\ucf54\ub4dc \uc900\uc218 \ubc0f \uc7a5\uae30\uc801\uc778 \uc2e0\ub8b0\uc131\uc5d0 \ub300\ud55c \ud655\uc2e0\uc744 \uac00\uc9c0\uace0 3 \uc2a4\ud2b8\ub9c1 PV \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4\uc758 \uc801\uc808\ud55c \ud06c\uae30\uc640 \uc0ac\uc591\uc744 \uc9c0\uc815\ud560 \uc900\ube44\uac00 \ub418\uc168\ub098\uc694?<\/strong> \ud2b9\uc815 \ud328\ub110 \uc0ac\uc591, \uc2dc\uc2a4\ud15c \uc804\uc555 \ubc0f \uc124\uce58 \ud658\uacbd\uc5d0 \ub9de\ub294 \uc790\uc138\ud55c \uad6c\uc131 \uc694\uc18c \uad8c\uc7a5 \uc0ac\ud56d\uc740 SYNODE \uae30\uc220\ud300\uc5d0 \ubb38\uc758\ud558\uc138\uc694. \uc0ac\uc804 \uacc4\uc0b0\ub41c \ud4e8\uc988 \ud06c\uae30, \ubc84\uc2a4\ubc14 \uc815\uaca9 \ubc0f NEC \uc900\uc218 \uc124\uacc4\ub85c \ucd94\uce21\uc744 \uc5c6\uc560\uace0 \ucd5c\ucd08 \uac80\uc0ac \uc2b9\uc778\uc744 \ubcf4\uc7a5\ud558\ub294 \uc644\ubcbd\ud55c \ucef4\ubc14\uc774\ub108 \uc194\ub8e8\uc158\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n

\uad00\ub828 \ubb38\uc11c:<\/strong>
\n- PV \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4 \uc120\ud0dd: \uc2a4\ud2b8\ub9c1 \uc218 \ubc0f \ud604\uc7ac \uc6a9\ub7c9<\/a>
\n- \uc8fc\uac70\uc6a9 \uc2dc\uc2a4\ud15c\uc744 \uc704\ud55c 2 \uc2a4\ud2b8\ub9c1 PV \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4 \uc124\uacc4<\/a>
\n- \ud0dc\uc591\uad11 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc704\ud55c DC \ud68c\ub85c \ucc28\ub2e8\uae30 \uc120\ud0dd<\/a><\/p>\n

\n

\ud83d\udcca SEO \uc815\ubcf4(\ud3b8\uc9d1\uc790 \ucc38\uc870\uc6a9)<\/h3>\n

\ud3ec\ucee4\uc2a4 \ud0a4\uc6cc\ub4dc:<\/strong> - \uc8fc\uc694 \ucd08\uc810 \ud0a4\uc6cc\ub4dc**: '3 \ubb38\uc790\uc5f4 PV \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4'<\/p>\n

URL \uc2ac\ub7ec\uadf8:<\/strong> <\/p>\n

\uba54\ud0c0 \uc81c\ubaa9:<\/strong> 3\uac1c\uc758 \uc2a4\ud2b8\ub9c1 PV \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4 \ud06c\uae30\ub97c \uc870\uc815\ud558\ub294 \ubc29\ubc95: \ucef4\ud3ec\ub10c\ud2b8 \uc120\ud0dd<\/p>\n

\uba54\ud0c0 \uc124\uba85:<\/strong> 3 \uc2a4\ud2b8\ub9c1 PV \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4 \ud06c\uae30 \uc870\uc815 \uac00\uc774\ub4dc: \uad6c\uc131 \uc694\uc18c \uc120\ud0dd, \ubc84\uc2a4\ubc14 \ub4f1\uae09, \ud4e8\uc988 \uc870\uc815, \uc778\ud074\ub85c\uc800 \ud06c\uae30 \uc870\uc815 \ubc0f \uc8fc\uac70\uc6a9 \ud0dc\uc591\uad11 \uc2dc\uc2a4\ud15c\uc758 NEC \uaddc\uc815 \uc900\uc218.<\/p>\n

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\ucf58\ud150\uce20 \uacc4\uce35:<\/strong> \ud2f0\uc5b4 2(\ud45c\uc900 \ucf58\ud150\uce20)<\/p>\n

\uc804\ud658 \ud37c\ub110:<\/strong> \uc720\uc785 \uacbd\ub85c \uc911\uac04(\uace0\ub824 \uc0ac\ud56d)<\/p>\n

\ubaa9\ud45c \ub2e8\uc5b4 \uc218:<\/strong> 2800-4000 \ub2e8\uc5b4<\/p>\n

\ud0c0\uac9f \uba38\uba54\uc774\ub4dc \ub2e4\uc774\uc5b4\uadf8\ub7a8:<\/strong> 3<\/p>\n

\uc21c\uc704 \uc218\ud559 \uc124\uc815\uc5d0\uc11c \uc774\ub97c \uad6c\uc131\ud55c \ub2e4\uc74c \uac8c\uc2dc\ud558\uae30 \uc804\uc5d0 \uc774 \uc0c1\uc790\ub97c \uc0ad\uc81c\ud558\uc138\uc694.<\/em><\/p>\n<\/div>\n

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\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n
\n

3 \uc2a4\ud2b8\ub9c1 \uac00\uc815\uc6a9 \ud0dc\uc591\uad11 \uc2dc\uc2a4\ud15c\uc5d0\ub294 \uc5b4\ub5a4 \ud06c\uae30\uc758 \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4\uac00 \ud544\uc694\ud569\ub2c8\uae4c?<\/h3>\n
\n

12\u00d712\u00d76\uc778\uce58 NEMA 3R \ub610\ub294 4X \uc778\ud074\ub85c\uc800\uc5d0\ub294 \ud4e8\uc988 \ud640\ub354 3\uac1c, \uc591\uadf9 \ubc0f \uc74c\uadf9 \ubc84\uc2a4\ubc14, 40A \uc8fc \ucc28\ub2e8\uae30, \uc720\ud615 2 SPD \ubc0f \uc811\uc9c0 \ubc84\uc2a4\ub97c \ud3ec\ud568\ud55c \ud45c\uc900 3 \uc2a4\ud2b8\ub9c1 \ucef4\ubc14\uc774\ub108 \uad6c\uc131 \uc694\uc18c\ub97c \uc218\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud5a5\ud6c4 \ud655\uc7a5 \ub610\ub294 \uc2a4\ud2b8\ub9c1 \ubaa8\ub2c8\ud130\ub9c1 \ud1b5\ud569\uc744 \uacc4\ud68d \uc911\uc778 \uc124\uce58\uc758 \uacbd\uc6b0 \ucd94\uac00 \uc791\uc5c5 \uacf5\uac04\uc744 \uc81c\uacf5\ud558\ub294 14\u00d712\u00d78 \ub610\ub294 16\u00d714\u00d78\uc778\uce58 \uc778\ud074\ub85c\uc800\ub97c \uc9c0\uc815\ud558\uc138\uc694.<\/p>\n<\/div>\n<\/div>\n

\n

3 \uc2a4\ud2b8\ub9c1 \ucef4\ubc14\uc774\ub108\uc5d0 15A \ud4e8\uc988 \ub300\uc2e0 10A \ud4e8\uc988\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub098\uc694?<\/h3>\n
\n

\ud4e8\uc988 \ud06c\uae30\ub294 NEC 690.9(B)\uc5d0 \ub530\ub77c \uc2a4\ud2b8\ub9c1 \ub2e8\ub77d \uc804\ub958\uc758 1.56\ubc30 \uc774\uc0c1\uc774\uc5b4\uc57c \ud569\ub2c8\ub2e4. Isc\uac00 9-10A\uc778 \uc77c\ubc18\uc801\uc778 \uc8fc\uac70\uc6a9 \ud328\ub110\uc758 \uacbd\uc6b0 \ucd5c\uc18c \ud4e8\uc988 \uc815\uaca9\uc740 14-15.6A\uc774\ubbc0\ub85c \ud45c\uc900 15A \ud4e8\uc988\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. 10A \ud4e8\uc988\ub97c \uc0ac\uc6a9\ud558\uba74 \uc870\ub3c4\uac00 \ub192\uc740 \uc870\uac74\uc774\ub098 \ucd94\uc6b4 \ub0a0\uc528\uc5d0 \uc2a4\ud2b8\ub9c1 \uc804\ub958\uac00 \uc99d\uac00\ud560 \ub54c \uc791\ub3d9\uc5d0 \ubb38\uc81c\uac00 \uc0dd\uae38 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/div>\n<\/div>\n

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\uc138 \uac1c\uc758 \uc2a4\ud2b8\ub9c1 \ubaa8\ub450 \uac1c\ubcc4 \ud4e8\uc988\uac00 \ud544\uc694\ud55c\uac00\uc694, \uc544\ub2c8\uba74 \ub354 \ud070 \ud4e8\uc988 \ud558\ub098\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub098\uc694?<\/h3>\n
\n

\uac01 \uc2a4\ud2b8\ub9c1\uc5d0\ub294 NEC 690.9(A)\uc5d0 \ub530\ub77c \uac1c\ubcc4 \ud4e8\uc988\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ud558\ub098\uc758 \uacb0\ud569 \ud4e8\uc988\ub97c \uc0ac\uc6a9\ud558\uba74 \uc2a4\ud2b8\ub9c1 \ub808\ubca8 \ubcf4\ud638 \uae30\ub2a5\uc774 \uc81c\uac70\ub418\uace0 \uaddc\uc815\uc744 \uc704\ubc18\ud558\uac8c \ub429\ub2c8\ub2e4. \uac1c\ubcc4 \ud4e8\uc988\ub97c \uc0ac\uc6a9\ud558\uba74 \ub2e4\ub978 \uc2a4\ud2b8\ub9c1\uc740 \uacc4\uc18d \uc791\ub3d9\ud558\ub294 \ub3d9\uc548 \uacb0\ud568\uc774 \uc788\ub294 \ub2e8\uc77c \uc2a4\ud2b8\ub9c1\uc744 \uaca9\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \ubcd1\ub82c\ub85c \uc5f0\uacb0\ub41c \uc2a4\ud2b8\ub9c1\uc5d0\uc11c \uacb0\ud568\uc774 \uc788\ub294 \uc2a4\ud2b8\ub9c1\uc73c\ub85c \uc5ed\ub958\ud558\ub294 \uac83\uc744 \ubc29\uc9c0\ud558\ub294 \uc5ed\uc804\ub958 \ubcf4\ud638 \uae30\ub2a5\ub3c4 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<\/div>\n<\/div>\n

\n

\ucef4\ubc14\uc774\ub108 \ubc15\uc2a4\uc6a9 NEMA 3R\uacfc NEMA 4X \uc778\ud074\ub85c\uc800\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3>\n
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NEMA 3R \uc778\ud074\ub85c\uc800\ub294 \ucc98\ub9c8 \uc544\ub798\uc758 \uc9c0\ubd95\uc774 \uc788\ub294 \uc2e4\uc678 \uc7a5\uc18c\uc5d0 \uc801\ud569\ud55c \ubc29\uc218 \ubcf4\ud638 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. NEMA 4X \uc778\ud074\ub85c\uc800\ub294 \uc644\uc804\ud788 \ubc00\ud3d0\ub41c \uac1c\uc2a4\ud0b7\uacfc \uc2a4\ud14c\uc778\ub9ac\uc2a4 \ub610\ub294 \uc720\ub9ac \uc12c\uc720 \uad6c\uc870\ub85c \ube57\ubb3c, \ubc14\ub78c\uc5d0 \ub0a0\ub9ac\ub294 \uba3c\uc9c0, \ubd80\uc2dd\uc5d0 \ub300\ud55c \ud0c1\uc6d4\ud55c \ubcf4\ud638 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc9c0\ubd95\uc774 \uc788\ub294 \uc124\uce58\uc5d0\ub294 NEMA 3R\uc744, \ub178\ucd9c\ub41c \uc9c0\ubd95 \ub9c8\uc6b4\ud2b8 \ubc0f \ud574\uc548\uac00 \ud658\uacbd\uc5d0\ub294 NEMA 4X\ub97c \uc0ac\uc6a9\ud558\uc138\uc694.<\/p>\n<\/div>\n<\/div>\n

\n

3 \uc2a4\ud2b8\ub9c1 \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4\uc758 \uc8fc\ud68c\ub85c \ucc28\ub2e8\uae30 \ud06c\uae30\ub294 \uc5b4\ub5bb\uac8c \uacb0\uc815\ud558\ub098\uc694?<\/h3>\n
\n

\ucd5c\ub300 \uacb0\ud569 \uc2a4\ud2b8\ub9c1 \uc804\ub958(\uc77c\ubc18\uc801\uc73c\ub85c \uc2a4\ud2b8\ub9c1\ub2f9 9-10A \u00d7 3 = 27-30A)\ub97c \uacc4\uc0b0\ud55c \ub2e4\uc74c NEC 690.8(A)\uc5d0 \ub530\ub978 \uc548\uc804 \uacc4\uc218 1.25\ub97c \uacf1\ud569\ub2c8\ub2e4. 30A \uacb0\ud569 \uc804\ub958\uc758 \uacbd\uc6b0 \ucd5c\uc18c \ucc28\ub2e8\uae30 \uc815\uaca9\uc740 37.5A\uc785\ub2c8\ub2e4. \ub2e4\uc74c \ud45c\uc900 \ud06c\uae30\uc778 40A \ub610\ub294 50A\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4. \ucc28\ub2e8\uae30\uc758 DC \uc804\uc555 \uc815\uaca9\uc774 \uc2dc\uc2a4\ud15c \ucd5c\ub300 Voc\ub97c \ucd08\uacfc\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n<\/div>\n<\/div>\n

\n

3 \uc2a4\ud2b8\ub9c1 \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4\ub97c \uc9c1\uc811 \uc124\uce58\ud560 \uc218 \uc788\ub098\uc694, \uc544\ub2c8\uba74 \uc804\uae30 \uae30\uc220\uc790\uac00 \ud544\uc694\ud558\ub098\uc694?<\/h3>\n
\n

\ub300\ubd80\ubd84\uc758 \uad00\ud560 \uc9c0\uc5ed\uc5d0\uc11c\ub294 1kW \uc6a9\ub7c9\uc744 \ucd08\uacfc\ud558\ub294 PV \uc2dc\uc2a4\ud15c \uc791\uc5c5 \uc2dc \uba74\ud5c8\ub97c \uc18c\uc9c0\ud55c \uc804\uae30 \uae30\uc220\uc790\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ud604\uc9c0 \ubc95\uaddc\uc5d0\uc11c DIY \uc124\uce58\ub97c \ud5c8\uc6a9\ud558\ub354\ub77c\ub3c4 \uc801\uc808\ud55c \uacb0\ud569\uae30 \uc870\ub9bd\uc744 \uc704\ud574\uc11c\ub294 NEC 690\uc870, DC \ud68c\ub85c \ubcf4\ud638 \uc6d0\uce59 \ubc0f \uc548\uc804\ud55c \uc804\uae30\uc801 \uad00\ud589\uc5d0 \ub300\ud55c \uc9c0\uc2dd\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. 10kW \uc774\uc0c1\uc758 \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0 \uc804\ubb38\uac00\ub97c \ud1b5\ud55c \uc124\uce58\uac00 \ube44\uc6a9 \ud6a8\uc728\uc801\uc785\ub2c8\ub2e4.<\/p>\n<\/div>\n<\/div>\n

\n

\uc5b4\ub808\uc774 \ubc0f \uc778\ubc84\ud130\uc640 \uad00\ub828\ud558\uc5ec 3 \uc2a4\ud2b8\ub9c1 \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4\ub97c \uc5b4\ub514\uc5d0 \uc7a5\ucc29\ud574\uc57c \ud558\ub098\uc694?<\/h3>\n
\n

\ucef4\ubc14\uc774\ub108\ub97c \uc138 \uac1c\uc758 \uc2a4\ud2b8\ub9c1 \uc6d0\uc810 \uc0ac\uc774\uc5d0 \uc911\uc559\uc5d0 \uc124\uce58\ud558\uc5ec \ucd1d \ub3c4\uccb4 \uae38\uc774\ub97c \ucd5c\uc18c\ud654\ud569\ub2c8\ub2e4. \ub0b4\ubd80 \uc628\ub3c4\ub97c \ub0ae\ucd94\uae30 \uc704\ud574 \ubd81\ucabd\uc744 \ud5a5\ud55c \ubcbd\uc774\ub098 \uadf8\ub298\uc9c4 \uacf3\uc5d0 \uc124\uce58\ud558\uc138\uc694. \uc804\uc555 \uac15\ud558\ub97c \ucd5c\uc18c\ud654\ud558\uae30 \uc704\ud574 \uc778\ubc84\ud130 \uc785\ub825\uc5d0\uc11c 10~15\ud53c\ud2b8 \uc774\ub0b4\ub97c \uc720\uc9c0\ud569\ub2c8\ub2e4. \uc720\uc9c0\ubcf4\uc218 \uc811\uadfc\uc744 \uc704\ud574 NEC 110.26\uc5d0 \ub530\ub77c \uc804\uba74\uc5d0 \ucd5c\uc18c 36\uc778\uce58\uc758 \uc791\uc5c5 \uac04\uaca9\uc744 \uc720\uc9c0\ud558\uc138\uc694.<\/p>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

A 3 string PV combiner box serves residential and small commercial solar installations in the 15-25 kW range, consolidating three independent PV string circuits into a single DC output feeding the inverter. Proper sizing of fuses, busbars, enclosures, and conductors ensures safe operation while meeting NEC Article 690 requirements. Understanding component selection criteria prevents oversizing […]<\/p>\n","protected":false},"author":1,"featured_media":2625,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39],"tags":[],"class_list":["post-2632","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dc-spd"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/sinobreaker.com\/ko\/wp-json\/wp\/v2\/posts\/2632","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sinobreaker.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sinobreaker.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sinobreaker.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sinobreaker.com\/ko\/wp-json\/wp\/v2\/comments?post=2632"}],"version-history":[{"count":1,"href":"https:\/\/sinobreaker.com\/ko\/wp-json\/wp\/v2\/posts\/2632\/revisions"}],"predecessor-version":[{"id":3303,"href":"https:\/\/sinobreaker.com\/ko\/wp-json\/wp\/v2\/posts\/2632\/revisions\/3303"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sinobreaker.com\/ko\/wp-json\/wp\/v2\/media\/2625"}],"wp:attachment":[{"href":"https:\/\/sinobreaker.com\/ko\/wp-json\/wp\/v2\/media?parent=2632"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sinobreaker.com\/ko\/wp-json\/wp\/v2\/categories?post=2632"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sinobreaker.com\/ko\/wp-json\/wp\/v2\/tags?post=2632"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}