{"id":2806,"date":"2026-01-28T09:00:00","date_gmt":"2026-01-28T09:00:00","guid":{"rendered":"https:\/\/sinobreaker.com\/?p=2806"},"modified":"2025-10-25T18:21:03","modified_gmt":"2025-10-25T18:21:03","slug":"what-is-solar-system-protection-overcurrent-overvoltage","status":"publish","type":"post","link":"https:\/\/sinobreaker.com\/ko\/what-is-solar-system-protection-overcurrent-overvoltage\/","title":{"rendered":"\ud0dc\uc591\uad11 \uc2dc\uc2a4\ud15c \ubcf4\ud638\ub780 \ubb34\uc5c7\uc778\uac00\uc694? \uacfc\uc804\ub958 \ubc0f \uacfc\uc804\uc555 \uae30\ubcf8 \uc0ac\ud56d"},"content":{"rendered":"

\uc18c\uac1c<\/h2>\n

\ud0dc\uc591\uad11 \uc2dc\uc2a4\ud15c \ubcf4\ud638\ub294 \ud0dc\uc591\uad11 \uc124\ube44\uc758 \uc804\uae30\uc801 \uc190\uc0c1, \ud654\uc7ac \uc704\ud5d8 \ubc0f \uac10\uc804 \uc704\ud5d8\uc744 \ubc29\uc9c0\ud558\ub294 \ud1b5\ud569 \uc7a5\uce58 \ubc0f \uc804\ub7b5 \uc81c\ud488\uad70\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4. \ubcf4\ud638\uac00 \uc8fc\ub85c \uace0\uc7a5 \uc804\ub958 \ucc28\ub2e8\uc5d0 \uc911\uc810\uc744 \ub450\ub294 \uae30\uc874 AC \uc804\uae30 \uc2dc\uc2a4\ud15c\uacfc \ub2ec\ub9ac \ud0dc\uc591\uad11 DC \uc2dc\uc2a4\ud15c\uc740 \uacfc\uc804\ub958(\uacfc\ub3c4\ud55c \uc804\ub958 \ud750\ub984), \uacfc\uc804\uc555(\ub099\ub8b0 \ubc0f \uc2a4\uc704\uce6d \uc11c\uc9c0), \uc544\ud06c \uc624\ub958(\uc190\uc0c1\ub41c \ub3c4\uccb4\ub85c \uc778\ud55c \uc804\uae30 \uc544\ud06c), \uc811\uc9c0 \uc624\ub958(\uc804\ub958 \ub204\uc124\uc744 \ud5c8\uc6a9\ud558\ub294 \uc808\uc5f0 \ud30c\uad34)\ub97c \ud574\uacb0\ud558\ub294 \ub2e4\uacc4\uce35 \ubcf4\ud638\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n

\ubbf8\uad6d \ud654\uc7ac \ubc29\uc9c0 \ud611\ud68c\uc758 \ud1b5\uacc4\uc5d0 \ub530\ub974\uba74 \ud0dc\uc591\uad11 \uc2dc\uc2a4\ud15c \ud654\uc7ac\uc758 65%\ub294 \uc804\uae30\uc801 \uacb0\ud568(\uc544\ud06c \uacb0\ud568\uc73c\ub85c \uc778\ud55c 65%, \uc811\uc9c0 \uacb0\ud568\uc73c\ub85c \uc778\ud55c 23%)\uc73c\ub85c \uc778\ud574 \ubc1c\uc0dd\ud558\uc5ec \ubcf4\ud638 \uc2dc\uc2a4\ud15c\uc758 \uc911\uc694\uc131\uc774 \uac15\uc870\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ud55c\ud3b8, \uc11c\uc9c0 \uad00\ub828 \uc7a5\ube44 \uc190\uc0c1\uc73c\ub85c \uc778\ud574 \ud0dc\uc591\uad11 \uc5c5\uacc4\ub294 \uc778\ubc84\ud130 \uad50\uccb4 \ubc0f \uac00\ub3d9 \uc911\ub2e8\uc73c\ub85c \uc5f0\uac04 1\uc5b5 4\ucc9c\ub9cc~2\uc5b5 5\ucc9c\ub9cc \ub2ec\ub7ec\uc758 \ube44\uc6a9\uc744 \uc9c0\ucd9c\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ud604\uc7a5 \uc5f0\uad6c\uc5d0 \ub530\ub974\uba74 \uc8fc\uac70\uc6a9 \uc124\ube44\uc758 55~60%\ub9cc\uc774 \ucd5c\uc18c \ucf54\ub4dc \uc694\uad6c \uc0ac\ud56d \uc774\uc0c1\uc758 \ud3ec\uad04\uc801\uc778 \ubcf4\ud638 \uae30\ub2a5\uc744 \uad6c\ud604\ud558\uace0 \uc788\uc5b4 \uc2dc\uc2a4\ud15c\uc774 \uc608\ubc29 \uac00\ub2a5\ud55c \uace0\uc7a5\uc5d0 \ucde8\uc57d\ud55c \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc774 \uad50\uc721 \uac00\uc774\ub4dc\ub294 \uc124\uce58\uc790, \uc2dc\uc124 \uad00\ub9ac\uc790 \ubc0f \uc2dc\uc2a4\ud15c \uc18c\uc720\uc790\ub97c \uc704\ud55c \ud0dc\uc591\uad11 \uc2dc\uc2a4\ud15c \ubcf4\ud638 \uae30\ubcf8 \uc0ac\ud56d\uc744 \uc124\uba85\ud569\ub2c8\ub2e4. \ub2e4\uc74c\uc5d0\uc11c \uc694\uad6c\ud558\ub294 5\uac00\uc9c0 \ud575\uc2ec \ubcf4\ud638 \uc720\ud615\uc5d0 \ub300\ud574 \uc54c\uc544\ubd05\ub2c8\ub2e4. NEC 690\uc870<\/a>, \uacfc\uc804\ub958 \uc7a5\uce58\uac00 \ub3c4\uccb4 \uacfc\uc5f4 \ubc0f \ud654\uc7ac\ub97c \ubc29\uc9c0\ud558\ub294 \ubc29\ubc95, \ub099\ub8b0 \ubc0f \uc11c\uc9c0 \uc774\ubca4\ud2b8\uc5d0 \ub300\ud55c \uacfc\uc804\uc555 \ubcf4\ud638 \uc804\ub7b5, \uc120\ud0dd\uc801 \uc791\ub3d9\uc744 \ubcf4\uc7a5\ud558\ub294 \ubcf4\ud638 \uacc4\uce35 \uac04\uc758 \uc870\uc815, \uc2dc\uc2a4\ud15c \uc804\uc555 \ubc0f \uc804\ub958 \uc815\uaca9\uacfc \uc77c\uce58\ud558\ub294 \uc7a5\ube44 \uc120\ud0dd\uc5d0 \ub300\ud574 \uc124\uba85\ud569\ub2c8\ub2e4. 5kW \uc8fc\uac70\uc6a9 \uc5b4\ub808\uc774\ub97c \uad00\ub9ac\ud558\ub4e0 5MW \uc720\ud2f8\ub9ac\ud2f0 \uc124\uce58\ub97c \uad00\ub9ac\ud558\ub4e0 \ubcf4\ud638 \uae30\ubcf8 \uc0ac\ud56d\uc744 \uc774\ud574\ud558\uba74 \ubd80\uc801\uc808\ud558\uac70\ub098 \ubd80\uc801\uc808\ud558\uac8c \uc801\uc6a9\ub41c \ubcf4\ud638 \uc7a5\uce58\ub85c \uc778\ud574 \ubc1c\uc0dd\ud558\ub294 85%\uc758 \uc804\uae30 \uc7a5\uc560\ub97c \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\n

\ud83d\udca1 \uc911\uc694 \uc778\uc0ac\uc774\ud2b8<\/strong>: \ud0dc\uc591\uad11 \uc2dc\uc2a4\ud15c \ubcf4\ud638\ub294 AC \uc804\uae30 \ubcf4\ud638\uc640 \uadfc\ubcf8\uc801\uc73c\ub85c \ub2e4\ub985\ub2c8\ub2e4. DC \ud68c\ub85c\ub294 \uc81c\ub85c \ud06c\ub85c\uc2f1 \uc911\ub2e8 \uc5c6\uc774 \uc544\ud06c\ub97c \uc9c0\uc18d\uc801\uc73c\ub85c \uc720\uc9c0\ud558\uace0, \uc9c1\ub82c\ub85c \uc5f0\uacb0\ub41c \ubaa8\ub4c8\uc5d0 \uc804\uc555\uc774 \ubcc0\uc555\ub418\uc9c0 \uc54a\uace0 \ub204\uc801\ub418\uba70, \u201c\ud56d\uc0c1 \uc804\uc6d0\uc774 \uacf5\uae09\ub418\ub294\u201d \uc791\ub3d9\uc740 \uae30\uc874\uc758 \uc7a0\uae08\/\ud0dc\uadf8\uc544\uc6c3 \uc804\uc6d0 \ucc28\ub2e8\uc744 \ubc29\uc9c0\ud558\ubbc0\ub85c \uc804\ubb38\uc801\uc778 \ubcf4\ud638 \uc811\uadfc \ubc29\uc2dd\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n

\ud0dc\uc591\uacc4 \ubcf4\ud638 \uc694\uad6c \uc0ac\ud56d \uc774\ud574<\/h2>\n

\ud0dc\uc591\uad11 \ubc1c\uc804 \uc2dc\uc2a4\ud15c\uc740 \uae30\uc874\uc758 AC \uc804\uae30 \uc124\ube44 \uc774\uc0c1\uc758 \ubcf4\ud638 \uc804\ub7b5\uc774 \ud544\uc694\ud55c \uace0\uc720\ud55c \uc804\uae30\uc801 \uc704\ud5d8\uc5d0 \uc9c1\uba74\ud574 \uc788\uc2b5\ub2c8\ub2e4. \ubbf8\uad6d \uc804\uae30 \uaddc\uc815 690\uc870\ub294 5\uac00\uc9c0 \ud544\uc218 \ubcf4\ud638 \ubc94\uc8fc\ub97c \uc815\uc758\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\ub2e4\uc12f \uac00\uc9c0 \ubcf4\ud638 \uae30\ub465<\/h3>\n<\/p>\n

\uacfc\uc804\ub958 \ubcf4\ud638<\/strong>: \ub3c4\uccb4\uac00 \uacfc\uc5f4\ub418\uc5b4 \uc808\uc5f0 \ubd88\ub7c9 \ubc0f \ud654\uc7ac\uac00 \ubc1c\uc0dd\ud558\uae30 \uc804\uc5d0 \ub2e8\ub77d, \uc811\uc9c0 \uc624\ub958 \ub610\ub294 \uc5ed\uc804\ub958 \uc870\uac74\uc73c\ub85c \uc778\ud55c \uacfc\ub3c4\ud55c \uc804\ub958\ub97c \ucc28\ub2e8\ud558\ub294 \uc7a5\uce58(\ud4e8\uc988, \ud68c\ub85c \ucc28\ub2e8\uae30)\uc785\ub2c8\ub2e4. \ub2e4\uc74c\uc5d0\uc11c \uc694\uad6c NEC 690<\/a>.\ud68c\ub85c \uc804\ub958\uac00 \ub3c4\uccb4 \uc554\ud398\uc5b4\ub97c \ucd08\uacfc\ud560 \uc218 \uc788\ub294 \uacbd\uc6b0 .9.<\/p>\n

\uacfc\uc804\uc555 \ubcf4\ud638<\/strong>: \ub099\ub8b0, \uc720\ud2f8\ub9ac\ud2f0 \uc2a4\uc704\uce6d \ub610\ub294 \uc778\ubc84\ud130 \uc791\ub3d9\uc73c\ub85c \uc778\ud55c \uacfc\ub3c4 \uc804\uc555 \uc2a4\ud30c\uc774\ud06c\ub97c \uc81c\ud55c\ud558\uc5ec \ubbfc\uac10\ud55c \uc804\uc790\uae30\uae30\uc758 \uc190\uc0c1\uc744 \ubc29\uc9c0\ud558\ub294 \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58(SPD)\uc785\ub2c8\ub2e4. \uae08\uc18d \ud504\ub808\uc784 \ubaa8\ub4c8\uc774 \uc788\ub294 \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0 NEC 690.35(B)\uc5d0 \ub530\ub77c \uc694\uad6c\ub429\ub2c8\ub2e4.<\/p>\n

\uc544\ud06c \uc624\ub958 \ubcf4\ud638<\/strong>: \uc190\uc0c1\ub41c \ub3c4\uccb4, \ub290\uc2a8\ud55c \uc5f0\uacb0 \ub610\ub294 \uc808\uc5f0 \ud30c\uad34\ub97c \ub098\ud0c0\ub0b4\ub294 \uc804\uae30 \uc544\ud06c \uc2dc\uadf8\ub2c8\ucc98\ub97c \ubaa8\ub2c8\ud130\ub9c1\ud558\ub294 \uac10\uc9c0 \uc2dc\uc2a4\ud15c. 80V \uc774\uc0c1\uc758 DC \ud68c\ub85c\uc5d0 \ub300\ud574 NEC 690.11\uc5d0\uc11c \uc694\uad6c\ud558\ub294 \uc544\ud06c \uc624\ub958 \ud68c\ub85c \ucc28\ub2e8\uae30(AFCI).<\/p>\n

\uc811\uc9c0 \uc624\ub958 \ubcf4\ud638<\/strong>: DC \ub3c4\uccb4\uc5d0\uc11c \uc811\uc9c0\ub85c\uc758 \uc804\ub958 \ub204\ucd9c\uc744 \uac10\uc9c0\ud558\uc5ec \uc808\uc5f0 \uace0\uc7a5\uc744 \ub098\ud0c0\ub0b4\ub294 \ubaa8\ub2c8\ud130\ub9c1. \uc811\uc9c0\ud615 \ud0dc\uc591\uad11 \uc5b4\ub808\uc774\uc758 \uacbd\uc6b0 \ucda9\uaca9 \uc704\ud5d8 \ubc0f \ud654\uc7ac\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574 NEC 690.41\uc5d0\uc11c \uc694\uad6c\ud558\ub294 \uc811\uc9c0 \uc624\ub958 \ubcf4\ud638 \uc7a5\uce58(GFPD)\uc785\ub2c8\ub2e4.<\/p>\n

\ube60\ub978 \uc885\ub8cc<\/strong>: \ube44\uc0c1 \uc791\ub3d9 \ud6c4 10\ucd08 \uc774\ub0b4\uc5d0 \ub3c4\uccb4 \uc804\uc555\uc744 80V \uc774\ud558\ub85c \ub0ae\ucd94\uc5b4 \uc18c\ubc29\uad00\uacfc \uc720\uc9c0\ubcf4\uc218 \ub2f4\ub2f9\uc790\ub97c \uac10\uc804\uc73c\ub85c\ubd80\ud130 \ubcf4\ud638\ud558\ub294 \uc2dc\uc2a4\ud15c. 2017\ub144 \uc774\ud6c4 \uc124\uce58 \uc2dc NEC 690.12\uc5d0 \ub530\ub77c \uc694\uad6c\ub429\ub2c8\ub2e4.<\/p>\n

DC \uc2dc\uc2a4\ud15c\uc5d0 \ub2e4\ub978 \ubcf4\ud638\uac00 \ud544\uc694\ud55c \uc774\uc720<\/h3>\n

\uc544\ud06c \uc9c0\uc18d \uac00\ub2a5\uc131<\/strong>: AC \uc804\ub958\ub294 \ucd08\ub2f9 120\ud68c(60Hz) \uc790\uc5f0\uc801\uc73c\ub85c \uc601\uc810\uc744 \uad50\ucc28\ud558\uc5ec \uc21c\uac04\uc801\uc73c\ub85c \uc544\ud06c\ub97c \uc18c\uba78\uc2dc\ud0b5\ub2c8\ub2e4. DC \uc804\ub958\ub294 \uc81c\ub85c \ud06c\ub85c\uc2f1\uc774 \uc5c6\uc73c\uba70, \uc77c\ub2e8 \uc544\ud06c\uac00 \uc2dc\uc791\ub418\uba74 \uc678\ubd80\uc5d0\uc11c \uc804\ub958\uac00 \ucc28\ub2e8\ub420 \ub54c\uae4c\uc9c0 \ubb34\ud55c\ud788 \uc9c0\uc18d\ub429\ub2c8\ub2e4.<\/p>\n

\ub204\uc801 \uc804\uc555<\/strong>: \uc9c1\ub82c\ub85c \uc5f0\uacb0\ub41c \ubaa8\ub4c8\uc740 \uc804\uc555\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4. 40V\uc758 \ubaa8\ub4c8 20\uac1c\uac00 \uac01\uac01 800V\uc758 \uc2a4\ud2b8\ub9c1 \uc804\uc555\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4. \ubcc0\uc555\uae30\uac00 \uc804\uc555\uc744 \uac15\uc555\ud558\ub294 AC \uc2dc\uc2a4\ud15c\uacfc \ub2ec\ub9ac DC \ud0dc\uc591\uad11\uc740 \uc5b4\ub808\uc774\uc5d0\uc11c \uc778\ubc84\ud130\uae4c\uc9c0 \uc804\uccb4 \uc2a4\ud2b8\ub9c1 \uc804\uc555\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n

\ubc31\ud53c\ub4dc \uc804\ub958<\/strong>: \ubcd1\ub82c \uc2a4\ud2b8\ub9c1 \uad6c\uc131\uc5d0\uc11c \uc815\uc0c1 \uc2a4\ud2b8\ub9c1\uc740 \uacb0\ud568\uc774 \uc788\ub294 \uc2a4\ud2b8\ub9c1\uc73c\ub85c \uc804\ub958\ub97c \uc5ed\uc73c\ub85c \uacf5\uae09\ud558\uc5ec \uac1c\ubcc4 \uc2a4\ud2b8\ub9c1 \uc815\uaca9\uc744 \ucd08\uacfc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uace0\uc720\ud55c \uace0\uc7a5 \ubaa8\ub4dc\uc5d0\ub294 \ub9ce\uc740 AC \uc2dc\uc2a4\ud15c\uc5d0\ub294 \uc5c6\ub294 \uc2a4\ud2b8\ub9c1 \uc218\uc900\uc758 \uacfc\uc804\ub958 \ubcf4\ud638 \uae30\ub2a5\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n

\uc9c0\uc18d\uc801\uc778 \uc811\uc9c0 \uc624\ub958<\/strong>: AC \uc811\uc9c0 \uace0\uc7a5\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ub192\uc740 \uace0\uc7a5 \uc804\ub958\ub85c \uc778\ud574 \uc989\uac01\uc801\uc778 \ucc28\ub2e8\uae30 \uc791\ub3d9\uc744 \uc720\ubc1c\ud569\ub2c8\ub2e4. DC \uc811\uc9c0 \uace0\uc7a5\uc740 \ucc28\ub2e8\uae30 \ud2b8\ub9bd \uc784\uacc4\uac12 \uc774\ud558\uc5d0\uc11c \uc9c0\uc18d\ub420 \uc218 \uc788\uc9c0\ub9cc \uba70\uce60 \ub610\ub294 \uba87 \uc8fc\uc5d0 \uac78\uccd0 \uc800\ud56d \uac00\uc5f4\uc744 \ud1b5\ud574 \ud654\uc7ac\ub97c \uc77c\uc73c\ud0a4\uae30\uc5d0 \ucda9\ubd84\ud55c \uc804\ub958\uc5d0\uc11c \uc9c0\uc18d\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

NEC 690\uc870 \ubcf4\ud638 \uac1c\uc694<\/h3>\n

690.8 \ud68c\ub85c \ud06c\uae30 \ubc0f \uc804\ub958<\/strong>: \ud68c\ub85c \ub3c4\uccb4\uac00 \uc801\uc808\ud55c \uc628\ub3c4 \ubc0f \ub3c4\uad00 \ucda9\uc804 \uacbd\uac10\uc73c\ub85c \ucd5c\ub300 \ud68c\ub85c \uc804\ub958(PV \ub2e8\ub77d \uc804\ub958\uc758 125%)\ub97c \ucc98\ub9ac\ud574\uc57c \ud568\uc744 \uc124\uc815\ud569\ub2c8\ub2e4.<\/p>\n

690.9 \uacfc\uc804\ub958 \ubcf4\ud638<\/strong>: \ud68c\ub85c\uac00 \ub3c4\uccb4 \uc554\ud398\uc5b4\ub97c \ucd08\uacfc\ud558\ub294 \uc804\ub958\ub97c \uacf5\uae09\ud560 \uc218 \uc788\ub294 \uacbd\uc6b0(\uc77c\ubc18\uc801\uc73c\ub85c \uc5ed\ud53c\ub4dc\uac00 \ubc1c\uc0dd\ud558\ub294 \ubcd1\ub82c \uc2a4\ud2b8\ub9c1 \uad6c\uc131\uc5d0\uc11c) OCPD\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n

690.11 \uc544\ud06c-\uacb0\ud568 \ud68c\ub85c \ubcf4\ud638<\/strong>: 80V \uc774\uc0c1\uc758 DC PV \ud68c\ub85c\uc5d0 AFCI\ub97c \uc758\ubb34\ud654\ud558\uc5ec 0.5-1.0\ucd08 \uc774\ub0b4\uc5d0 \uc544\ud06c\ub97c \uac10\uc9c0\ud558\uace0 \ucc28\ub2e8\ud558\uc5ec \ud654\uc7ac \ubc1c\ud654\ub97c \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n

690.35 \uc811\uc9c0\ub418\uc9c0 \uc54a\uc740 \uc2dc\uc2a4\ud15c<\/strong>: \uc811\uc9c0\ub418\uc9c0 \uc54a\uc740 \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0 \uc811\uc9c0 \uc624\ub958 \uac10\uc9c0\ub97c, \uc804\ub3c4\uc131 \ud45c\uba74\uc774 \ub178\ucd9c\ub41c \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0 \uacfc\uc804\uc555 \ubcf4\ud638\ub97c \uc9c0\uc815\ud569\ub2c8\ub2e4.<\/p>\n

690.41 \uc9c0\ub77d \ubcf4\ud638<\/strong>: \uc811\uc9c0 \uc5b4\ub808\uc774, \uc808\uc5f0 \uc2e4\ud328 \uac10\uc9c0 \ubc0f \uacb0\ud568\uc774 \uc788\ub294 \uc7a5\ube44 \uc5f0\uacb0 \ud574\uc81c\uc5d0 GFPD\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n

\uacfc\uc804\ub958 \ubcf4\ud638: \ud4e8\uc988 \ubc0f \ud68c\ub85c \ucc28\ub2e8\uae30<\/h2>\n

\uacfc\uc804\ub958 \ubcf4\ud638 \uc7a5\uce58(OCPD)\ub294 \uc804\ub958\uac00 \uc815\uaca9 \uac12\uc744 \ucd08\uacfc\ud560 \ub54c \ud68c\ub85c\ub97c \ucc28\ub2e8\ud558\uc5ec \uacfc\ub3c4\ud55c \uc804\ub958\ub85c \uc778\ud55c \ub3c4\uccb4 \uc190\uc0c1\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4. \ud0dc\uc591\uad11 \uc2dc\uc2a4\ud15c\uc5d0\ub294 \ud4e8\uc988\uc640 \ud68c\ub85c \ucc28\ub2e8\uae30\ub77c\ub294 \ub450 \uac00\uc9c0 \uc8fc\uc694 OCPD \uc720\ud615\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n

PV \uc815\uaca9 \ud4e8\uc988(gPV \uc9c0\uc815)<\/h3>\n<\/p>\n

\uc124\uacc4 \ubaa9\uc801<\/strong>: \ud0dc\uc591\uad11 DC \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc704\ud574 \ud2b9\ubcc4\ud788 \uc124\uacc4\ub41c \ud4e8\uc988\ub85c, \uace0\uc804\uc555(600V, 1000V, 1500V) \uc815\uaca9\uc774\uba70 DC \uc544\ud06c \ucc28\ub2e8\uc5d0 \ucd5c\uc801\ud654\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

gPV \uc9c0\uc815 \uc758\ubbf8<\/strong>:
\n- \u201cg\u201d = \uc804\uccb4 \ubc94\uc704 \ucc28\ub2e8 \uc6a9\ub7c9(\uacfc\ubd80\ud558 \ubc0f \ub2e8\ub77d\uc73c\ub85c\ubd80\ud130 \ubcf4\ud638)
\n- \u201cPV\u201d = \ud0dc\uc591\uad11 \uc560\ud50c\ub9ac\ucf00\uc774\uc158(\ud0dc\uc591\uad11\uc5d0 \ub300\ud55c IEC \ubc0f UL \ud45c\uc900 \ucda9\uc871)<\/p>\n

\uc791\ub3d9 \uc6d0\ub9ac<\/strong>: \ub0b4\ubd80 \uc18c\uc790(\uc77c\ubc18\uc801\uc73c\ub85c \uad6c\ub9ac \ub610\ub294 \uc740 \uc2a4\ud2b8\ub9bd)\uac00 \uc804\ub958 \ud750\ub984\uc5d0 \ub530\ub77c \uac00\uc5f4\ub429\ub2c8\ub2e4. \uc815\uaca9 \uc804\ub958\uc5d0\uc11c \uc18c\uc790 \uc628\ub3c4\ub294 \ub179\ub294\uc810 \uc774\ud558\ub85c \uc720\uc9c0\ub429\ub2c8\ub2e4. \uc815\uaca9 \uc804\ub958 \uc774\uc0c1\uc5d0\uc11c\ub294 \uc18c\uc790\uac00 \ub179\uc544 \uc5d0\uc5b4 \uac2d\uacfc \uc544\ud06c\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc544\ud06c \uc5d0\ub108\uc9c0\ub294 \uc18c\uc790 \uc7ac\ub8cc\ub97c \uae30\ud654\uc2dc\ucf1c \uc544\ud06c\uac00 \uc9c0\uc18d\ub420 \uc218 \uc5c6\uc744 \ub54c\uae4c\uc9c0 \uac2d \ud3ed\uc744 \uc99d\uac00\uc2dc\ucf1c \uc804\ub958\ub97c \ucc28\ub2e8\ud569\ub2c8\ub2e4.<\/p>\n

\uc8fc\uc694 \uc0ac\uc591<\/strong>:<\/p>\n

\uc815\uaca9 \uc804\ub958(In)<\/strong>: \uc5f0\uc18d \uc804\ub958 \ud4e8\uc988\ub294 \ubb34\uae30\ud55c \ucc98\ub9ac\ub429\ub2c8\ub2e4. \ud0dc\uc591\uad11 \uc2a4\ud2b8\ub9c1\uc758 \uacbd\uc6b0, NEC 690.8(B)\uc5d0 \ub530\ub77c 156%\uc758 \uc2a4\ud2b8\ub9c1 \ub2e8\ub77d \uc804\ub958(Isc)\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/p>\n

\ucc28\ub2e8 \uc6a9\ub7c9<\/strong>: \ucd5c\ub300 \uace0\uc7a5 \uc804\ub958 \ud4e8\uc988\uac00 \uc548\uc804\ud558\uac8c \ucc28\ub2e8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud0dc\uc591\uad11 \ud4e8\uc988\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ud0dc\uc591\uad11 \uc5b4\ub808\uc774\uc5d0\uc11c \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uace0\uc7a5 \uc804\ub958\uc5d0 \ucda9\ubd84\ud55c 10~30kA DC \uc815\uaca9\uc785\ub2c8\ub2e4.<\/p>\n

\uc2dc\uac04 \uc804\ub958 \ud2b9\uc131<\/strong>: \ub2e4\uc591\ud55c \uacfc\uc804\ub958\uc5d0\uc11c \ud4e8\uc988\uac00 \uc5bc\ub9c8\ub098 \ube68\ub9ac \uc791\ub3d9\ud558\ub294\uc9c0\ub97c \uacb0\uc815\ud558\ub294 I\u00b2t \ub4f1\uae09\uc785\ub2c8\ub2e4. I\u00b2t\uac00 \ub0ae\uc744\uc218\ub85d \ubcf4\ud638 \uc18d\ub3c4\uac00 \ube60\ub974\uc9c0\ub9cc \uc800\uc628 \uace0\uc804\ub958 \uc870\uac74\uc5d0\uc11c \ud2b8\ub9bd\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\ud06c\uae30 \uc870\uc815 \uc608\uc2dc<\/strong>: 10A Isc \ubb38\uc790\uc5f4\uc774 \ud544\uc694\ud569\ub2c8\ub2e4:
\n- 10A \u00d7 1.56 = 15.6A \ucd5c\uc18c \ud4e8\uc988 \uc815\uaca9
\n- \ub2e4\uc74c \ud45c\uc900 \ud06c\uae30 \uc120\ud0dd: 15A \ub610\ub294 20A gPV \ud4e8\uc988
\n- \ucc28\ub2e8 \uc6a9\ub7c9 \u2265 \uac00\uc6a9 \uace0\uc7a5 \uc804\ub958 \ud655\uc778<\/p>\n

DC \uc815\uaca9 \ud68c\ub85c \ucc28\ub2e8\uae30<\/h3>\n

AC\uc640\uc758 \uc124\uacc4 \ucc28\uc774\uc810<\/strong>: DC \ud68c\ub85c \ucc28\ub2e8\uae30\uc5d0\ub294 \uc544\ud06c \uc288\ud2b8, \uc790\uae30 \ube14\ub85c\uc6b0\uc544\uc6c3 \ub610\ub294 \uc804\uc790\uc2dd \uc544\ud06c \uac10\uc9c0 \uae30\ub2a5\uc774 \uc788\uc5b4 \uc790\uc5f0\uc801\uc778 \uc81c\ub85c \ud06c\ub85c\uc2f1\uc774 \uc5c6\ub294 DC \uc544\ud06c\ub97c \ucc28\ub2e8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\ucc28\ub2e8\uae30 \uc720\ud615<\/strong>:<\/p>\n

\uc5f4 \uc790\uae30<\/strong>: \ubc14\uc774\uba54\ud0c8 \uc2a4\ud2b8\ub9bd\uc740 \uc5f4 \uacfc\ubd80\ud558 \ubcf4\ud638(\ub290\ub9b0 \ud2b8\ub9bd), \uc804\uc790\uae30 \ucf54\uc77c\uc740 \uc21c\uac04 \ub2e8\ub77d \ubcf4\ud638(\ube60\ub978 \ud2b8\ub9bd)\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. 50~200A \ubc94\uc704\uc758 \ud0dc\uc591\uad11 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uac00\uc7a5 \uc77c\ubc18\uc801\uc785\ub2c8\ub2e4.<\/p>\n

\ubab0\ub4dc \ucf00\uc774\uc2a4 \ud68c\ub85c \ucc28\ub2e8\uae30(MCCB)<\/strong>: \ub354 \ub192\uc740 \uc804\ub958 \uc6a9\ub7c9(200-1200A), \uc218\ub3d9 \uc791\ub3d9, \uc815\ubc00\ud55c \uc804\ub958 \ubaa8\ub2c8\ud130\ub9c1\uc744 \uc704\ud55c \uc804\uc790 \ud2b8\ub9bd \uc7a5\uce58\uc640 \ud568\uaed8 \uc0ac\uc6a9 \uac00\ub2a5. \uba54\uc778 \uc5b4\ub808\uc774 \ucc28\ub2e8\uc5d0 \uc0ac\uc6a9.<\/p>\n

\uc18c\ud615 \ud68c\ub85c \ucc28\ub2e8\uae30(MCB)<\/strong>: \ub0ae\uc740 \uc815\uaca9 \uc804\ub958(1-63A), DIN \ub808\uc77c \uc7a5\ucc29, \ubaa8\ub4c8\uc2dd \uc124\uacc4. \uc2a4\ud2b8\ub9c1 \ub808\ubca8 \ubcf4\ud638\ub97c \uc704\ud574 \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4\uc5d0 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n

\uc911\uc694 \ub4f1\uae09 \ud655\uc778<\/strong>: \ucc28\ub2e8\uae30 \uba85\ud310\uc5d0 DC \uc804\uc555 \uc815\uaca9\uc774 \uba85\uc2dc\uc801\uc73c\ub85c \ud45c\uc2dc\ub418\uc5b4 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4. \u201cAC\/DC\u201d \ud45c\uc2dc\uac00 \ubd80\uc801\uc808\ud55c \uacbd\uc6b0 - \ud2b9\uc815 DC \uc804\uc555(\uc608: \u201c600V DC\u201d \ub610\ub294 \u201c1000V DC\u201d)\uc744 \ud655\uc778\ud569\ub2c8\ub2e4. DC \ud68c\ub85c\uc5d0 AC \uc804\uc6a9 \ucc28\ub2e8\uae30\ub97c \uc0ac\uc6a9\ud558\uc9c0 \ub9c8\uc138\uc694. \uc544\ud06c \ucc28\ub2e8\uc774 \uc2e4\ud328\ud558\uc5ec \ucc28\ub2e8\uae30\uac00 \ud30c\uc190\ub418\uace0 \ud654\uc7ac\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\ubb38\uc790\uc5f4 \uc218\uc900 \ub300 \ubc30\uc5f4 \uc218\uc900 \ubcf4\ud638<\/h3>\n

\ubb38\uc790\uc5f4 \uc218\uc900 OCPD<\/strong> (3\uac1c \uc774\uc0c1\uc758 \ubb38\uc790\uc5f4\uc774 \ubcd1\ub82c\ub85c \uc5f0\uacb0\ub41c \uacbd\uc6b0 \ud544\uc694):<\/p>\n

\uac01 \uc2a4\ud2b8\ub9c1\uc5d0\ub294 \ub2e4\ub978 \ubcd1\ub82c \uc2a4\ud2b8\ub9c1\uc758 \uc5ed\ud53c\ub4dc \uc804\ub958\ub85c\ubd80\ud130 \ubcf4\ud638\ud558\ub294 \uac1c\ubcc4 \ud4e8\uc988 \ub610\ub294 \ucc28\ub2e8\uae30\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4 \ub610\ub294 \uc2a4\ud2b8\ub9c1 \ub808\ubca8 \ucc28\ub2e8\uae30\uc5d0 \uc124\uce58\ub429\ub2c8\ub2e4.<\/p>\n

\uacc4\uc0b0<\/strong>: \ucd5c\ub300 \ubc31\ud53c\ub4dc \uc804\ub958 = (N-1) \u00d7 Isc \uc5ec\uae30\uc11c N\uc740 \ubcd1\ub82c \ubb38\uc790\uc5f4\uc758 \uc218\uc785\ub2c8\ub2e4.<\/p>\n

\uc608<\/strong>6\uac1c\uc758 \uc2a4\ud2b8\ub9c1, \uac01 10A Isc
\n- \ubc31\ud53c\ub4dc = 5 \u00d7 10A = 50A
\n- \uc2a4\ud2b8\ub9c1 \ub3c4\uccb4 \uc804\ub958 \uc6a9\ub7c9 = 30A(\ub3c4\uad00 \ub0b4 10AWG)
\n- 50A > 30A\uc774\ubbc0\ub85c \ubb38\uc790\uc5f4 OCPD \ud544\uc694
\n- \uc774\uc804 \uc0ac\uc774\uc9d5 \uc608\uc81c\uc5d0 \ub530\ub77c 15A \ud4e8\uc988 \uc120\ud0dd<\/p>\n

\uc5b4\ub808\uc774 \ub808\ubca8 OCPD<\/strong>:<\/p>\n

\ucef4\ubc14\uc774\ub108 \ucd9c\ub825\uacfc \uc778\ubc84\ud130 \uc785\ub825 \uc0ac\uc774\uc758 \uba54\uc778 DC \ud68c\ub85c \ucc28\ub2e8\uae30. \ucd5c\ub300 \ud68c\ub85c \uc804\ub958 125%(\ubaa8\ub4e0 \uc2a4\ud2b8\ub9c1 \uc804\ub958\uc758 \ud569\uacc4 \u00d7 1.25 \uc628\ub3c4 \uacc4\uc218) \ud06c\uae30\uc785\ub2c8\ub2e4.<\/p>\n

\uc608<\/strong>6 \uc2a4\ud2b8\ub9c1 \u00d7 10A \u00d7 1.25 = 75A
\n- 80A \ub610\ub294 100A DC \uc815\uaca9 \ucc28\ub2e8\uae30 \uc120\ud0dd
\n- \uc778\ud130\ub7fd\ud2b8 \uc815\uaca9\uc774 \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uace0\uc7a5 \uc804\ub958\ub97c \ucd08\uacfc\ud558\ub294\uc9c0 \ud655\uc778
\n- NEC 690.15\uc5d0 \ub530\ub77c \uc8fc DC \ucc28\ub2e8\uae30\ub85c \uc0ac\uc6a9<\/p>\n

\"\ube14\ub85c\uadf8<\/figure>\n
\"\uc2a4\ud2b8\ub9c1<\/figure>\n

\uacfc\uc804\uc555 \ubcf4\ud638: \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58<\/h2>\n

\uacfc\uc804\uc555 \uacfc\ub3c4 \uc0c1\ud0dc(\ub9c8\uc774\ud06c\ub85c\ucd08\uc5d0\uc11c \ubc00\ub9ac\ucd08 \ub3d9\uc548 \uc9c0\uc18d\ub418\ub294 \uc9e7\uc740 \uc804\uc555 \uc2a4\ud30c\uc774\ud06c)\ub294 \ub099\ub8b0, \uc720\ud2f8\ub9ac\ud2f0 \uc2a4\uc704\uce6d \uc791\ub3d9 \ub610\ub294 \uc778\ubc84\ud130 \uacb0\ud568\uc5d0\uc11c \ube44\ub86f\ub429\ub2c8\ub2e4. \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58(SPD)\ub294 \uc774\ub7ec\ud55c \uacfc\ub3c4 \uc804\uc555\uc744 \uc548\uc804\ud55c \uc218\uc900\uc73c\ub85c \uc81c\ud55c\ud569\ub2c8\ub2e4.<\/p>\n

\uc11c\uc9c0 \uc18c\uc2a4 \ubc0f \ud2b9\uc131<\/h3>\n<\/p>\n

\uc9c1\uaca9\ub8b0<\/strong>20,000~200,000 \uc554\ud398\uc5b4 \uc785\ub825 <100 microseconds. creates voltage spike exceeding 100,000v on conductors if unprotected. frequency: 0.01-1.0 events per system year depending regional lightning density.\n\n\uac04\uc811 \ub099\ub8b0(\uadfc\ucc98 \ub099\ub8b0)<\/strong>: 100-500\ubbf8\ud130 \ub5a8\uc5b4\uc9c4 \uacf3\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc804\uc790\uae30 \ud384\uc2a4\uac00 \uc790\uae30 \uacb0\ud569\uc744 \ud1b5\ud574 \ub3c4\uccb4\uc5d0 2,000-15,000V \uacfc\ub3c4 \uc804\uc555\uc744 \uc720\ub3c4\ud569\ub2c8\ub2e4. \ube48\ub3c4: \ubc88\uac1c\uac00 \ub9ce\uc774 \ubc1c\uc0dd\ud558\ub294 \uc9c0\uc5ed\uc5d0\uc11c \uc5f0\uac04 1~10\ud68c \ubc1c\uc0dd.<\/p>\n

\uc720\ud2f8\ub9ac\ud2f0 \uc804\ud658<\/strong>: \uc720\ud2f8\ub9ac\ud2f0\uac00 \uace0\uc804\uc555 \uc2a4\uc704\uce58\ub97c \uc5f4\uac70\ub098 \ub2eb\uac70\ub098 \uace0\uc7a5\uc774 \ubc1c\uc0dd\ud558\uba74 \uacfc\ub3c4 \uc804\ub958\uac00 \uace0\uac1d \uc124\ube44\ub85c \uc804\ud30c\ub429\ub2c8\ub2e4. \ud06c\uae30: 2,000~6,000V, \uc9c0\uc18d \uc2dc\uac04 10~100\ub9c8\uc774\ud06c\ub85c\ucd08. \ube48\ub3c4: \uadf8\ub9ac\ub4dc \ud488\uc9c8\uc5d0 \ub530\ub77c \uc5f0\uac04 2~20\ud68c \ubc1c\uc0dd.<\/p>\n

\uc778\ubc84\ud130 \uc2a4\uc704\uce6d<\/strong>: \uc778\ubc84\ud130 \uc804\ub825 \uc2a4\ud14c\uc774\uc9c0\uc758 \uace0\uc8fc\ud30c \uc2a4\uc704\uce6d(16~40kHz)\uc740 \ubc18\ubcf5\uc801\uc778 \uc800\uc5d0\ub108\uc9c0 \uacfc\ub3c4 \uc0c1\ud0dc\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \ud06c\uae30: 500~2,000V, \uc8fc\ud30c\uc218: \uc791\ub3d9 \uc911 \uc9c0\uc18d\uc801\uc774\uc9c0\ub9cc \uace0\ud488\uc9c8 \uc778\ubc84\ud130\uc5d0\uc11c \uc798 \uc81c\uc5b4\ub429\ub2c8\ub2e4.<\/p>\n

SPD \uc6b4\uc601 \uc6d0\uce59<\/h3>\n

\uae08\uc18d \uc0b0\ud654\ubb3c \ubc30\ub9ac\uc2a4\ud130(MOV)<\/strong>: \uc804\uc555 \uc758\uc874\uc801 \uc800\ud56d\uc744 \uac16\ub294 \ubc18\ub3c4\uccb4 \uc18c\uc790. \ud074\ub7a8\ud551 \uc804\uc555(Uc) \uc774\ud558\uc5d0\uc11c MOV\ub294 \uba54\uac00\uc634 \uc784\ud53c\ub358\uc2a4(\uc0ac\uc2e4\uc0c1 \uac1c\ubc29 \ud68c\ub85c)\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. Uc \uc774\uc0c1\uc5d0\uc11c\ub294 \uc800\ud56d\uc774 \uc634\uc73c\ub85c \ub5a8\uc5b4\uc9c0\uba74\uc11c \uc11c\uc9c0 \uc804\ub958\uac00 \uc811\uc9c0\ub85c \uc804\ud658\ub429\ub2c8\ub2e4. \uc11c\uc9c0 \ud6c4 MOV\ub294 \ub192\uc740 \uc784\ud53c\ub358\uc2a4 \uc0c1\ud0dc\ub85c \ub3cc\uc544\uac11\ub2c8\ub2e4.<\/p>\n

\uac00\uc2a4 \ubc29\uc804\uad00(GDT)<\/strong>: \uc804\uadf9\uc774 \uc788\ub294 \uac00\uc2a4 \ucda9\uc804 \uc778\ud074\ub85c\uc800. \ud56d\ubcf5 \uc804\uc555 \uc774\ud558\uc5d0\uc11c\ub294 \uac00\uc2a4\uac00 \uc808\uc5f0\uccb4 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ud56d\ubcf5 \uc804\uc555 \uc774\uc0c1\uc5d0\uc11c\ub294 \uac00\uc2a4\uac00 \uc774\uc628\ud654\ub418\uc5b4 \uc804\ub3c4\uc131 \ud50c\ub77c\uc988\ub9c8\uac00 \ub418\uc5b4 \uc811\uc9c0\ub97c \uacfc\ub3c4\ud558\uac8c \ub2e8\ub77d\uc2dc\ud0b5\ub2c8\ub2e4. \uc751\ub2f5 \uc2dc\uac04: 100-500ns(MOV\ubcf4\ub2e4 \ub290\ub9bc). 2\ub2e8\uacc4 \ubcf4\ud638\ub97c \uc704\ud574 MOV\uc640 \ud568\uaed8 \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc2e4\ub9ac\ucf58 \uc560\ubc8c\ub7f0\uce58 \ub2e4\uc774\uc624\ub4dc(SAD)<\/strong>: \uc560\ubc8c\ub7f0\uce58 \uace0\uc7a5 \uc601\uc5ed\uc5d0\uc11c \uc791\ub3d9\ud558\ub294 \uc194\ub9ac\ub4dc \uc2a4\ud14c\uc774\ud2b8 \ub2e4\uc774\uc624\ub4dc, \ub098\ub178\ucd08 \uc751\ub2f5 \uc2dc\uac04\uc73c\ub85c \uc804\uc555\uc744 \ud074\ub7a8\ud551\ud569\ub2c8\ub2e4. \uc800\uc804\uc555 \uc2e0\ud638\uc120 \ubcf4\ud638\uc5d0 \uc0ac\uc6a9(<100V). MOV\ubcf4\ub2e4 \ub192\uc740 \ube44\uc6a9\uc73c\ub85c \uc778\ud574 \ud0dc\uc591\uad11 DC \uc801\uc6a9\uc774 \uc81c\ud55c\ub429\ub2c8\ub2e4.\n\n\n

SPD \uc720\ud615 \ubd84\ub958 \ubc0f \uc801\uc6a9<\/h3>\n

\uc720\ud615 1 SPD(IEC 61643-11\uc5d0 \ub530\ub978 \ud074\ub798\uc2a4 I)<\/strong>:<\/p>\n

\uc9c1\uc811 \ub099\ub8b0 \uc804\ub958\ub97c \uc2dc\ubbac\ub808\uc774\uc158\ud558\ub294 10\/350 \u03bcs \ud30c\ud615\uc73c\ub85c \ud14c\uc2a4\ud2b8\ud588\uc2b5\ub2c8\ub2e4. \uc11c\ube44\uc2a4 \uc785\uad6c \ub610\ub294 \ubd80\ubd84\uc801\uc778 \ub099\ub8b0 \uc804\ub958 \ub178\ucd9c\uc774 \uac00\ub2a5\ud55c \uacf3\uc5d0 \uc124\uce58 - \uc625\uc0c1 \uc5b4\ub808\uc774\uc5d0\uc11c \uac74\ubb3c\ub85c \ub4e4\uc5b4\uc624\ub294 DC \ud648\ub7f0.<\/p>\n

\ub4f1\uae09<\/strong>25-100kA \uc784\ud384\uc2a4 \uc804\ub958(Iimp), 2.5-4.0kV \uc804\uc555 \ubcf4\ud638 \uc218\uc900(Up)(1000V DC \uc2dc\uc2a4\ud15c\uc6a9).<\/p>\n

\uc720\ud615 2 SPD(\ud074\ub798\uc2a4 II)<\/strong>:<\/p>\n

\uc720\ub3c4 \uc11c\uc9c0 \ubc0f \uc2a4\uc704\uce6d \uacfc\ub3c4 \ud604\uc0c1\uc5d0 \ub300\ud574 8\/20 \u03bcs \ud30c\ud615\uc73c\ub85c \ud14c\uc2a4\ud2b8\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc720\ud615 1 \ubcf4\ud638\uc758 \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \ubc30\uc804\ubc18\uc5d0 \uc124\uce58\ub429\ub2c8\ub2e4.<\/p>\n

\ub4f1\uae09<\/strong>20-40kA \uacf5\uce6d \ubc29\uc804 \uc804\ub958(In), 2.0-3.0kV \uc804\uc555 \ubcf4\ud638 \uc218\uc900.<\/p>\n

\uc720\ud615 3 SPD(\ud074\ub798\uc2a4 III)<\/strong>:<\/p>\n

\ubbfc\uac10\ud55c \ud68c\ub85c\ub97c \uc704\ud55c \uc7a5\ube44 \uc218\uc900 \ubcf4\ud638. \uc870\ud569\ud30c \ud14c\uc2a4\ud2b8(1.2\/50\u03bcs \uc804\uc555, 8\/20\u03bcs \uc804\ub958).<\/p>\n

\ub4f1\uae09<\/strong>: 5-10kA \ubc29\uc804 \uc804\ub958, 1.0-1.5kV \uc804\uc555 \ubcf4\ud638 \uc218\uc900.<\/p>\n

SPD \ubc30\uce58 \uc804\ub7b5<\/h3>\n

DC \uce21 \ubcf4\ud638<\/strong>:<\/p>\n

\ucef4\ubc14\uc774\ub108 \ubc15\uc2a4 \ucd9c\ub825(\uc2a4\ud2b8\ub9c1\uacfc \uc8fc DC \ub3c4\uccb4 \uc0ac\uc774)\uc5d0 \uc720\ud615 1 DC SPD\ub97c \uc124\uce58\ud569\ub2c8\ub2e4. \uc774 \uc704\uce58\ub294 \uc720\ub3c4 \uc11c\uc9c0\ub85c\ubd80\ud130 \uc5b4\ub808\uc774 \ubc30\uc120\uc744 \ubcf4\ud638\ud558\uace0 \uc778\ubc84\ud130 \ubcf4\ud638\uc758 \uccab \ubc88\uc9f8 \ub2e8\uacc4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n

\uc778\ubc84\ud130 DC \uc785\ub825 \ub2e8\uc790\uc5d0 \uc720\ud615 2 DC SPD\ub97c \uc124\uce58\ud569\ub2c8\ub2e4. \uc774\ub294 \ucef4\ubc14\uc774\ub108 SPD\uc5d0 \uc7a5\uc560\uac00 \ubc1c\uc0dd\ud560 \uacbd\uc6b0 \ubc31\uc5c5 \ubcf4\ud638 \uae30\ub2a5\uc744 \uc81c\uacf5\ud558\uace0 DC \ud648\ub7f0 \ub3c4\uccb4\uc5d0 \uacfc\ub3c4 \uc804\ub958\uac00 \uc720\uc785\ub418\ub294 \uac83\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n

AC \uce21\uba74 \ubcf4\ud638<\/strong>:<\/p>\n

\uc778\ubc84\ud130 AC \ucd9c\ub825 \ub2e8\uc790 \ub610\ub294 \uc8fc AC \ucc28\ub2e8\uc5d0 \uc720\ud615 2 AC SPD\ub97c \uc124\uce58\ud558\uc138\uc694. \uc778\ubc84\ud130 AC \ud68c\ub85c \ubc0f \uc720\ud2f8\ub9ac\ud2f0 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uadf8\ub9ac\ub4dc \uacfc\ub3c4 \uc804\ub958\ub85c\ubd80\ud130 \ubcf4\ud638\ud569\ub2c8\ub2e4.<\/p>\n

\uacfc\ub3c4 \uc804\ub958\uc5d0 \ubbfc\uac10\ud55c \uacbd\uc6b0 \ubaa8\ub2c8\ud130\ub9c1 \uc7a5\ube44, \ud1b5\uc2e0 \ud68c\ub85c \ubc0f \uc81c\uc5b4 \ud328\ub110\uc5d0 \uc720\ud615 3 AC SPD\ub97c \uc124\uce58\ud558\uc138\uc694.<\/p>\n

\uc811\uc9c0 \uc694\uad6c \uc0ac\ud56d<\/strong>: \ubaa8\ub4e0 SPD\ub294 \uc7a5\ube44 \uc811\uc9c0 \uc2dc\uc2a4\ud15c\uc5d0 \uc5f0\uacb0\ud574\uc57c \ud569\ub2c8\ub2e4. \ucd5c\uc18c 6AWG \uad6c\ub9ac\uc758 \uac00\uc7a5 \uc9e7\uc740 \uc2e4\uc81c \ub3c4\uccb4(\u226412\uc778\uce58)\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ub3c4\uccb4\uc758 \uac01 \ud53c\ud2b8\ub294 \uc11c\uc9c0 \uc8fc\ud30c\uc218\uc5d0\uc11c \uc720\ub3c4 \uc784\ud53c\ub358\uc2a4\ub97c \ucd94\uac00\ud558\ubbc0\ub85c \uc5f0\uacb0 \uae38\uc774\uac00 \uae38\uc218\ub85d SPD \ud6a8\uacfc\uac00 \uac10\uc18c\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n\n\n\n\n
SPD \uc720\ud615<\/th>\n\ud30c\ud615 \ud14c\uc2a4\ud2b8<\/th>\n\uc77c\ubc18 \ub4f1\uae09<\/th>\n\ud0dc\uc591\uad11 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/th>\n<\/tr>\n<\/thead>\n
\uc720\ud615 1(\ud074\ub798\uc2a4 I)<\/strong><\/td>\n10\/350 \u03bcs<\/td>\n25-100 kA Iimp<\/td>\n\ucef4\ubc14\uc774\ub108 \ubc15\uc2a4, DC \ud648\ub7f0 \uc5d4\ud2b8\ub9ac<\/td>\n<\/tr>\n
\uc720\ud615 2(\ud074\ub798\uc2a4 II)<\/strong><\/td>\n8\/20 \u03bcs<\/td>\n20-40 kA In<\/td>\n\uc778\ubc84\ud130 DC\/AC \ub2e8\uc790<\/td>\n<\/tr>\n
\uc720\ud615 3(\ud074\ub798\uc2a4 III)<\/strong><\/td>\n1.2\/50-8\/20 \u03bcs<\/td>\n5-10 kA In<\/td>\n\ubaa8\ub2c8\ud130\ub9c1, \ucee4\ubba4\ub2c8\ucf00\uc774\uc158<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

\ud83c\udfaf \uc804\ubb38\uac00 \ud301<\/strong>: SPD \ud6a8\uacfc\ub294 \uc7a5\uce58 \ub4f1\uae09\ubcf4\ub2e4 \uc124\uce58 \ud488\uc9c8\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. 6\uc778\uce58 \uc811\uc9c0 \ub9ac\ub4dc\uac00 \uc788\ub294 $200 SPD\ub294 36\uc778\uce58 \ub9ac\ub4dc\uac00 \uc788\ub294 $500 SPD\ubcf4\ub2e4 \uc131\ub2a5\uc774 \ub6f0\uc5b4\ub0a9\ub2c8\ub2e4. \uc555\ucd95 \ub7ec\uadf8\uc640 \uc0b0\ud654 \ubc29\uc9c0 \ud654\ud569\ubb3c\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc9e7\uace0 \uc9c1\uc811 \uc811\uc9c0 \uc5f0\uacb0\uc5d0 \uc6b0\uc120\uc21c\uc704\ub97c \ub450\uc138\uc694.<\/p>\n<\/blockquote>\n

\uc544\ud06c \uc624\ub958 \ubc0f \uc811\uc9c0 \uc624\ub958 \ubcf4\ud638<\/h2>\n

\uc544\ud06c \uacb0\ud568 \ubc0f \uc811\uc9c0 \uacb0\ud568\uc740 \ud0dc\uc591\uad11 \uc124\ube44\uc758 \uc8fc\uc694 \ud654\uc7ac \uc704\ud5d8 \uc694\uc18c\ub85c, NFPA \ud1b5\uacc4\uc5d0 \ub530\ub974\uba74 \uc804\uae30 \uace0\uc7a5\uc758 65%\ub97c \ucc28\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n

\uc544\ud06c \uace0\uc7a5 \ud68c\ub85c \ucc28\ub2e8\uae30(AFCI)<\/h3>\n<\/p>\n

\uac10\uc9c0 \uc6d0\ub9ac<\/strong>: AFCI\ub294 \uc804\ub958 \ud30c\ud615\uc5d0\uc11c \uc804\uae30 \uc544\ud06c\uc758 \ud2b9\uc9d5\uc778 \uace0\uc8fc\ud30c \uc2e0\ud638(100kHz - 1MHz)\ub97c \ubaa8\ub2c8\ud130\ub9c1\ud569\ub2c8\ub2e4. \uc815\uc0c1\uc801\uc778 \uc9c1\ub958 \uc804\ub958\ub294 \ub9e4\ub044\ub7fd\uc9c0\ub9cc \uc544\ud06c\ub294 \ubd88\uc548\uc815\ud55c \ud50c\ub77c\uc988\ub9c8\ub85c \uc778\ud574 \ud63c\ub780\uc2a4\ub7ec\uc6b4 \uace0\uc8fc\ud30c \ub178\uc774\uc988\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/p>\n

\ucc98\ub9ac \uc54c\uace0\ub9ac\uc998<\/strong>: \ub9c8\uc774\ud06c\ub85c\ud504\ub85c\uc138\uc11c\uac00 \uc804\ub958 \uc2e0\ud638\uc5d0 \ub300\ud574 \uace0\uc18d \ud478\ub9ac\uc5d0 \ubcc0\ud658(FFT)\uc744 \uc218\ud589\ud558\uc5ec \uc8fc\ud30c\uc218 \uc131\ubd84\uc744 \uc2dd\ubcc4\ud569\ub2c8\ub2e4. \uc544\ud06c \uc2dc\uadf8\ub2c8\ucc98\uac00 0.5\ucd08 \uc774\uc0c1 \uc9c0\uc18d\ub418\uba74(\uc9c0\uc18d \uc544\ud06c \ub300 \uc21c\uac04 \uacfc\ub3c4), AFCI\ub294 \ud68c\ub85c\ub97c \uc5fd\ub2c8\ub2e4.<\/p>\n

\uac10\uc9c0\ub41c \uc544\ud06c \uc720\ud615<\/strong>:<\/p>\n

\uc9c1\ub82c \uc544\ud06c<\/strong>: \ub3c4\uccb4\uac00 \ub04a\uc5b4\uc9c0\uac70\ub098 \uc5f0\uacb0\uc774 \ub290\uc2a8\ud574\uc838 \uac04\uaca9\uc744 \uac00\ub85c\uc9c8\ub7ec \uc544\ud06c\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc608\uc2dc: \uc124\uce58\ub958\uc5d0 \uc758\ud574 \uc190\uc0c1\ub41c \uc804\uc120, \ubaa8\ub4c8 \uc815\uc158 \ubc15\uc2a4 \ub0a9\ub55c \uc870\uc778\ud2b8\uc5d0 \uae08\uc774 \uac04 \uacbd\uc6b0.<\/p>\n

\ud3c9\ud589 \ud638<\/strong>: \uc591\uadf9\uacfc \uc74c\uadf9 \ub3c4\uccb4 \ub610\ub294 \ub3c4\uccb4\uc640 \uc811\uc9c0 \uc0ac\uc774\uc758 \uc544\ud06c. \uc608\uc2dc: \uc808\uc5f0 \ub9c8\ubaa8\ub85c \uc778\ud574 \uc778\uc811\ud55c \ub3c4\uccb4\uac00 \uc811\ucd09\ud558\uc5ec \uc544\ud06c\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n

\uc751\ub2f5 \uc2dc\uac04<\/strong>: NEC 690.11\uc740 \uc544\ud06c \uac10\uc9c0 \ud6c4 1\ucd08 \uc774\ub0b4\uc5d0 \uc911\ub2e8\uc744 \uc694\uad6c\ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \uc7a5\uce58\ub294 \ub300\ubd80\ubd84\uc758 \uac00\uc5f0\uc131 \ubb3c\uc9c8\uc758 \uc810\ud654\ub97c \ubc29\uc9c0\ud558\uae30\uc5d0 \ucda9\ubd84\ud788 \ube60\ub978 0.3~0.8\ucd08 \uc774\ub0b4\uc5d0 \uc791\ub3d9\ud569\ub2c8\ub2e4.<\/p>\n

\ud1b5\ud569 \uc811\uadfc \ubc29\uc2dd<\/strong>:<\/p>\n

\uc778\ubc84\ud130 \ud1b5\ud569 AFCI<\/strong>: \ub300\ubd80\ubd84\uc758 \ucd5c\uc2e0 \uc8fc\uac70\uc6a9 \uc778\ubc84\ud130(>2017\ub144)\uc5d0\ub294 AFCI \ubaa8\ub2c8\ud130\ub9c1 DC \uc785\ub825 \ud68c\ub85c\uac00 \ub0b4\uc7a5\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc7a5\uc810: \ucd94\uac00 \uc7a5\ube44 \ube44\uc6a9\uc774 \uc5c6\uc2b5\ub2c8\ub2e4. \uc81c\ud55c \uc0ac\ud56d: \ucef4\ubc14\uc774\ub108\uc640 \uc778\ubc84\ud130 \uc0ac\uc774\uc758 \ud68c\ub85c\ub9cc \ubcf4\ud638\ud558\uba70 \uc2a4\ud2b8\ub9c1 \ubc30\uc120\uc740 \ubcf4\ud638\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n

\ucef4\ubc14\uc774\ub108 \ub808\ubca8 AFCI<\/strong>: \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4 \ub0b4 \ub3c5\ub9bd\ud615 \uc7a5\uce58\ub85c \uac1c\ubcc4 \uc2a4\ud2b8\ub9c1\uc744 \ubaa8\ub2c8\ud130\ub9c1\ud569\ub2c8\ub2e4. \uc7a5\uc810: \uc2a4\ud2b8\ub9c1 \ubc30\uc120\uc744 \ud3ec\ud568\ud55c \uc804\uccb4 DC \ud68c\ub85c\ub97c \ubcf4\ud638\ud569\ub2c8\ub2e4. \ub2e8\uc810: \ucd94\uac00 \ube44\uc6a9(\ucef4\ubc14\uc774\ub108\ub2f9 $200-400), \uc7a5\uc560 \uc9c0\uc810 \uc99d\uac00.<\/p>\n

\ubaa8\ub4c8 \uc218\uc900 AFCI<\/strong>: \uc544\ud06c \uac10\uc9c0 \uae30\ub2a5\uc774 \ud1b5\ud569\ub41c \uc804\ub825 \uc635\ud2f0\ub9c8\uc774\uc800. \uc7a5\uc810: \ubaa8\ub4c8 \uc218\uc900\uc5d0\uc11c \uc544\ud06c\ub97c \uac10\uc9c0\ud569\ub2c8\ub2e4. \ub2e8\uc810: \ub192\uc740 \uc2dc\uc2a4\ud15c \ube44\uc6a9($0.20-0.30\/W \ud504\ub9ac\ubbf8\uc5c4).<\/p>\n

\uc811\uc9c0 \uc624\ub958 \ubcf4\ud638 \uc7a5\uce58(GFPD)<\/h3>\n

\uac10\uc9c0 \uc6d0\ub9ac<\/strong>: GFPD\ub294 \ubcc0\ub958\uae30(CT) \ub610\ub294 \ud640 \ud6a8\uacfc \uc13c\uc11c\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc591\uadf9\uacfc \uc74c\uadf9 DC \ub3c4\uccb4 \uc0ac\uc774\uc758 \uc804\ub958 \uade0\ud615\uc744 \ubaa8\ub2c8\ud130\ub9c1\ud569\ub2c8\ub2e4. \ubd88\uade0\ud615\uc740 \uc808\uc5f0 \ubd88\ub7c9\uc73c\ub85c \uc778\ud574 \uc811\uc9c0\ub85c \uc804\ub958\uac00 \ub204\uc124\ub418\uace0 \uc788\uc74c\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n

\uac10\ub3c4<\/strong>: \uc2dc\uc2a4\ud15c\uc6a9 \uc77c\ubc18 \uc124\uc815 1\uc554\ud398\uc5b4 <50kW. \uc808\uc5f0 \uc800\ud56d\uc744 \uac10\uc9c0\ud569\ub2c8\ub2e4. 600V \uc2dc\uc2a4\ud15c\uc5d0\uc11c <600\u03a9(R = V\/I = 600V\/1A). \uc784\uacc4\uac12\uc774 \ub0ae\uc73c\uba74 \uc131\uac00\uc2e0 \ud2b8\ub9bd \uc704\ud5d8\uc774 \uc99d\uac00\ud558\uace0 \uc784\uacc4\uac12\uc774 \ub192\uc73c\uba74 \ucd08\uae30 \uacb0\ud568\uc744 \ub193\uce69\ub2c8\ub2e4.\n\n\uc751\ub2f5<\/strong>: 0.3\ucd08 \uc774\uc0c1 1A \uc774\uc0c1\uc758 \ubd88\uade0\ud615\uc774 \uac10\uc9c0\ub418\uba74 GFPD\ub294 \uc778\ubc84\ud130\ub97c \uc885\ub8cc\ud558\ub77c\ub294 \uc2e0\ud638\ub97c \ubcf4\ub0b4\uace0 DC \ucc28\ub2e8\uc744 \uc5fd\ub2c8\ub2e4. NEC 690.41(B)\uc5d0 \ub530\ub77c \uace0\uc7a5 \uc0c1\ud0dc\ub97c \uc2dc\uac01\uc801\uc73c\ub85c \ud45c\uc2dc(LED, \ub514\uc2a4\ud50c\ub808\uc774)\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

\ud14c\uc2a4\ud2b8 \uc694\uad6c \uc0ac\ud56d<\/strong>: \ud478\uc2dc \ubc84\ud2bc \uc790\uccb4 \ud14c\uc2a4\ud2b8\ub294 \uc811\uc9c0 \uc624\ub958\ub97c \uc2dc\ubbac\ub808\uc774\uc158\ud558\uc5ec \uac10\uc9c0 \ubc0f \uc778\ud130\ub7fd\ud2b8 \uae30\ub2a5\uc744 \ud655\uc778\ud569\ub2c8\ub2e4. NEC 690.41\uc740 \ud14c\uc2a4\ud2b8 \uae30\ub2a5\uc744 \uc694\uad6c\ud558\uc9c0\ub9cc \ud14c\uc2a4\ud2b8 \ube48\ub3c4\ub97c \uc758\ubb34\ud654\ud558\uc9c0\ub294 \uc54a\uc2b5\ub2c8\ub2e4(\ub9e4\ub144 \ud14c\uc2a4\ud2b8 \uad8c\uc7a5).<\/p>\n

\uc77c\ubc18\uc801\uc778 \uc7a5\uc560 \ubaa8\ub4dc \ubc0f \uc608\ubc29<\/h3>\n

AFCI \uadc0\ucc2e\uc740 \uc5ec\ud589<\/strong>: \ubd80\uc801\uc808\ud558\uac8c \ucc28\ud3d0\ub41c \uc7a5\ube44\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc804\uc790\uae30 \uac04\uc12d(EMI)\uc740 \uc544\ud06c \uc2dc\uadf8\ub2c8\ucc98\ub97c \ubaa8\ubc29\ud569\ub2c8\ub2e4. \uc608\ubc29: \uae08\uc18d \ub3c4\uad00\uc5d0 \ucc28\ud3d0\ub41c DC \ub3c4\uccb4\ub97c \uc0ac\uc6a9\ud558\uace0, \uc804\uc6d0\uacfc \ud1b5\uc2e0 \ubc30\uc120\uc744 \ubd84\ub9ac\ud558\uba70, \ubaa8\ub4e0 \uc7a5\ube44\uac00 PV \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc6a9\uc73c\ub85c UL \uc778\uc99d\uc744 \ubc1b\uc558\ub294\uc9c0 \ud655\uc778\ud558\uc138\uc694.<\/p>\n

GFPD \uc624\ud0d0<\/strong>: \uc815\uc158 \ubc15\uc2a4\uc5d0 \uc2b5\uae30\uac00 \uce68\ud22c\ud558\uba74 \uc77c\uc2dc\uc801\uc778 \uc800\uc800\ud56d \uacbd\ub85c\uac00 \uc0dd\uc131\ub418\uc5b4 \uc624\ub958 \uac10\uc9c0\ub97c \ud2b8\ub9ac\uac70\ud569\ub2c8\ub2e4. \uc608\ubc29: \ucd5c\uc18c IP65 \ub4f1\uae09\uc758 \ubc30\uc120\ud568\uc744 \uc0ac\uc6a9\ud558\uace0, \ucf00\uc774\ube14 \uc778\uc785\uad6c\uc5d0 \uc2e4\ub780\ud2b8\ub97c \ub3c4\ud3ec\ud558\uace0, \uc2b5\ub3c4\uac00 \ub192\uc740 \uae30\ud6c4\uc5d0\uc11c\ub294 \ub9e4\ub144 \uc810\uac80\ud558\uc138\uc694.<\/p>\n

\ub204\ub77d\ub41c \uc544\ud06c \uac10\uc9c0<\/strong>: \ubaa8\ub4c8 \uac04 \ucee4\ub125\ud130 \uc131\ub2a5 \uc800\ud558\ub85c \uc778\ud574 AFCI \uac10\uc9c0 \uc784\uacc4\uac12 \uc774\ud558\ub85c \uac04\ud5d0\uc801\uc778 \uc544\ud06c\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc608\ubc29: \ub098\uc5f4\ub41c \ucee4\ub125\ud130(\uc815\ud488 MC4 \ub610\ub294 \ub098\uc5f4\ub41c \ub3d9\uae09 \uc81c\ud488)\ub9cc \uc0ac\uc6a9\ud558\uace0, \ubaa8\ub4e0 \uc5f0\uacb0\ubd80\ub97c \ub2f9\uae40 \ud14c\uc2a4\ud2b8(50\ud30c\uc6b4\ub4dc \uc774\uc0c1\uc758 \ud798)\ud558\uace0, \uc5f4\uc545\ud55c \ud658\uacbd\uc5d0\uc11c \ubd84\uae30\ubcc4\ub85c \uac80\uc0ac\ud558\uc138\uc694.<\/p>\n

\"\ube14\ub85c\uadf8<\/figure>\n

\ubcf4\ud638 \uc870\uc815 \ubc0f \uc120\ud0dd\uc131<\/h2>\n

\uc870\uc815\uc744 \ud1b5\ud574 \uc7a5\uc560\uac00 \ubc1c\uc0dd\ud558\uba74 \uc7a5\uc560\uc640 \uac00\uc7a5 \uac00\uae4c\uc6b4 \ubcf4\ud638 \uc7a5\uce58\ub9cc \uc791\ub3d9\ud558\uc5ec \uc5c5\uc2a4\ud2b8\ub9bc \ubcf4\ud638 \uae30\ub2a5\uc744 \uadf8\ub300\ub85c \uc720\uc9c0\ud558\uc5ec \uc2dc\uc2a4\ud15c \ubcf4\uc548\uc744 \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc2dc\uac04-\ud604\uc7ac \uc870\uc815 \uc6d0\uce59<\/h3>\n<\/p>\n

\ubaa9\ud45c<\/strong>: \uc624\ub958\uc5d0 \uac00\uc7a5 \uac00\uae4c\uc6b4 \ud4e8\uc988 \ub610\ub294 \ucc28\ub2e8\uae30\uac00 \uc5c5\uc2a4\ud2b8\ub9bc \uc7a5\uce58\uac00 \uc791\ub3d9\ud558\uae30 \uc804\uc5d0 \uc624\ub958\ub97c \uc81c\uac70\ud569\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \uc815\uc804\uc774 \uac00\ub2a5\ud55c \ucd5c\uc18c\ud55c\uc758 \uc2dc\uc2a4\ud15c \ubd80\ubd84\uc73c\ub85c \uc81c\ud55c\ub429\ub2c8\ub2e4.<\/p>\n

\ubc29\ubc95<\/strong>: \uc801\uc808\ud55c \ubd84\ub9ac\ub97c \uc81c\uacf5\ud558\ub294 \uc2dc\uac04 \uc804\ub958 \uace1\uc120\uc774 \uc788\ub294 \uc7a5\uce58\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4. \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \uc7a5\uce58\ub294 \ub3d9\uc77c\ud55c \uace0\uc7a5 \uc804\ub958\uc5d0\uc11c \ud2b8\ub9bd\ud558\ub294 \ub370 \ud544\uc694\ud55c \uc5c5\uc2a4\ud2b8\ub9bc \uc7a5\uce58\ubcf4\ub2e4 \uc9e7\uc740 \uc2dc\uac04 \ub0b4\uc5d0 \uace0\uc7a5\uc744 \uc81c\uac70\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

\uc870\uc815 \uc608\uc2dc<\/strong>:<\/p>\n

\uc2a4\ud2b8\ub9c1 \ud4e8\uc988<\/strong>: 15A gPV, 100A \uace0\uc7a5 \uc804\ub958\uc5d0\uc11c 0.01\ucd08 \ub9cc\uc5d0 \uc5f4\ub9bc
\n\ubc30\uc5f4 \ucc28\ub2e8\uae30<\/strong>80A DC \uc815\uaca9, 100A\uc5d0\uc11c 0.1\ucd08 \ub0b4 \ud2b8\ub9bd
\n\ubd84\ub9ac<\/strong>: \uc791\uc5c5 \uac04 0.09\ucd08 = \uc801\uc808\ud55c \uc870\uc815 \uc2dc\uac04<\/p>\n

\ub300\uc2e0 \uc2a4\ud2b8\ub9c1 \ud4e8\uc988\uac00 20A\uc778 \uacbd\uc6b0: 0.05\ucd08 \ub9cc\uc5d0 \uc5f4\ub9ac\ubbc0\ub85c \ucc28\ub2e8\uae30\ubcf4\ub2e4 \uc5ec\uc804\ud788 \ube60\ub985\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc2a4\ud2b8\ub9c1 \ud4e8\uc988\uac00 30A\uc778 \uacbd\uc6b0: 0.15\ucd08 \ub9cc\uc5d0 \uc5f4\ub9bc - \ucc28\ub2e8\uae30\uac00 \uba3c\uc800 \ud2b8\ub9bd\ub418\uc5b4 \uacb0\ud568\uc774 \uc788\ub294 \uc2a4\ud2b8\ub9c1\uc774 \uc544\ub2cc \uc804\uccb4 \uc5b4\ub808\uc774\uc758 \uc804\uc6d0\uc744 \ucc28\ub2e8\ud569\ub2c8\ub2e4.<\/p>\n

SPD \uc5d0\ub108\uc9c0 \uc870\uc815<\/h3>\n<\/p>\n

\uc804\uc555 \ud074\ub7a8\ud551 \ub808\ubca8<\/strong>: \ub2e4\uc6b4 \uc2a4\ud2b8\ub9bc SPD\ub294 \uc5c5\uc2a4\ud2b8\ub9bc SPD\ubcf4\ub2e4 \uc804\uc555 \ubcf4\ud638 \uc218\uc900 (Up)\uc774 \ub0ae\uc544\uc57c\ud569\ub2c8\ub2e4. \uc774\ub807\uac8c\ud558\uba74 \ubbfc\uac10\ud55c \uc7a5\ube44\uac00 \uac00\ub2a5\ud55c \uac00\uc7a5 \ub0ae\uc740 \uc11c\uc9c0 \uc804\uc555\uc744 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc608<\/strong>:
\n- \ucef4\ubc14\uc774\ub108 \uc720\ud615 1 SPD: \ucd5c\ub300 = 3.5kV
\n- \uc778\ubc84\ud130 \uc720\ud615 2 SPD: \ucd5c\ub300 = 2.5kV
\n- \ubaa8\ub2c8\ud130\ub9c1 \uc720\ud615 3 SPD: \ucd5c\ub300 = 1.5kV<\/p>\n

\uc2dc\uc2a4\ud15c\uc5d0 \uc720\uc785\ub418\ub294 \uc11c\uc9c0\ub294 \ucef4\ubc14\uc774\ub108\uc5d0\uc11c 3.5kV, \uc778\ubc84\ud130\uc5d0\uc11c 2.5kV\ub85c \uc81c\ud55c\ub418\uba70 \ubaa8\ub2c8\ud130\ub9c1 \uc7a5\ube44\uc5d0\uc11c 1.5kV\ub85c \ub354 \uc81c\ud55c\ub429\ub2c8\ub2e4.<\/p>\n

\ub81b\uc2a4\ub8e8 \uc5d0\ub108\uc9c0<\/strong>: \uc5c5\uc2a4\ud2b8\ub9bc SPD\ub294 \ub2e4\uc6b4 \uc2a4\ud2b8\ub9bc SPD\uac00 \uacfc\ubd80\ud558\ub418\uc9c0 \uc54a\ub3c4\ub85d \ucda9\ubd84\ud55c \uc5d0\ub108\uc9c0\ub97c \ud761\uc218\ud574\uc57c\ud569\ub2c8\ub2e4. \uc720\ud615 1 (50kA \uc6a9\ub7c9)\uc740 \uc9c1\uc811\uc801\uc778 \ub099\ub8b0 \ud6a8\uacfc\ub97c \ucc98\ub9ac\ud558\uc5ec \uc720\ud615 2 (20kA \uc6a9\ub7c9)\uac00 \uace0\uc7a5\uc5c6\uc774 \uc794\ub958 \ubb3c\uc744 \ucc98\ub9ac \ud560 \uc218 \uc788\ub3c4\ub85d\ud569\ub2c8\ub2e4.<\/p>\n

\ubcf4\ud638 \uc2dc\uc2a4\ud15c \ud14c\uc2a4\ud2b8<\/h3>\n

\uacfc\uc804\ub958 \ub514\ubc14\uc774\uc2a4 \ud14c\uc2a4\ud2b8<\/strong>:
\n- \ubd80\uc2dd, \uc190\uc0c1, \ub290\uc2a8\ud55c \uc5f0\uacb0\uc5d0 \ub300\ud55c \uc721\uc548 \uac80\uc0ac
\n- \ub2eb\ud78c \uc811\uc810\uc5d0\uc11c\uc758 \uc800\ud56d \uce21\uc815(<0.1\u03a9\uc740 \uc591\ud638\ud55c \uc811\ucd09\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4)\n- \uc5f0\uac04 \uc77c\uc815\uc5d0 \ub530\ub77c \ub610\ub294 \uace0\uc7a5 \uc791\ub3d9 \ud6c4 \ud4e8\uc988 \uad50\uccb4\n\nSPD \ud14c\uc2a4\ud2b8<\/strong>:
\n- \ud45c\uc2dc\ub4f1 \ud655\uc778(\ub179\uc0c9 = \uc791\ub3d9, \ube68\uac04\uc0c9 = \uc2e4\ud328, \uc81c\uc870\uc0ac\ubcc4)
\n- \uc11c\uc9c0 \ubc1c\uc0dd\uae30\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub81b\uc2a4\ub8e8 \uc804\uc555 \uce21\uc815(\uc804\ubb38 \uc11c\ube44\uc2a4)
\n- \ud45c\uc2dc\ub4f1\uc774 \ub179\uc0c9\uc73c\ub85c \ud45c\uc2dc\ub418\ub354\ub77c\ub3c4 \uc8fc\uc694 \ub099\ub8b0 \ubc1c\uc0dd \ud6c4 SPD\ub97c \uad50\uccb4\ud558\uc138\uc694.<\/p>\n

AFCI\/GFPD \ud14c\uc2a4\ud2b8<\/strong>:
\n- \ubd84\uae30\ubcc4\ub85c \ud14c\uc2a4\ud2b8 \ubc84\ud2bc\uc744 \ub20c\ub7ec \uc5ec\ud589 \uc791\ub3d9\uc744 \ud655\uc778\ud569\ub2c8\ub2e4.
\n- \ud2b8\ub9bd \ub85c\uadf8\ub97c \ubaa8\ub2c8\ud130\ub9c1\ud558\uc5ec \uc124\uce58 \ubb38\uc81c\ub97c \ub098\ud0c0\ub0b4\ub294 \ud328\ud134\uc744 \ud655\uc778\ud569\ub2c8\ub2e4.
\n- \uc81c\uc870\uc5c5\uccb4 \uad8c\uc7a5 \uc0ac\ud56d\uc5d0 \ub530\ub978 \ud38c\uc6e8\uc5b4 \uc5c5\ub370\uc774\ud2b8<\/p>\n

\"\ud3ec\uad04\uc801\uc778<\/figure>\n

\uc77c\ubc18\uc801\uc778 \ubcf4\ud638 \uc2dc\uc2a4\ud15c \uc2e4\uc218<\/h2>\n

\u274c DC \ud68c\ub85c\uc5d0\uc11c AC \uc815\uaca9 \ubd80\ud488 \uc0ac\uc6a9<\/h3>\n

\ubb38\uc81c<\/strong>: DC \ud0dc\uc591\uad11 \uc2dc\uc2a4\ud15c\uc5d0 \uc0ac\uc6a9\ub418\ub294 AC \ucc28\ub2e8\uae30 \ub610\ub294 SPD. AC \uc7a5\uce58\ub294 DC \ud68c\ub85c\uc5d0 \uc5c6\ub294 \uc544\ud06c \uc18c\uba78\uc744 \uc704\ud574 \uc804\ub958 \uc81c\ub85c \ud06c\ub85c\uc2f1\uc5d0 \uc758\uc874\ud558\ubbc0\ub85c \ubcf4\ud638 \uc2e4\ud328 \ubc0f \ud654\uc7ac \uc704\ud5d8\uc744 \ucd08\ub798\ud569\ub2c8\ub2e4.<\/p>\n

\uc77c\ubc18\uc801\uc778 \uc2dc\ub098\ub9ac\uc624<\/strong>:
\n- DC \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4\uc758 \ud45c\uc900 \uac00\uc815\uc6a9 AC \ucc28\ub2e8\uae30
\n- DC \ud68c\ub85c\uc758 MOV \uc804\uc6a9 AC \uc11c\uc9c0 \ud53c\ub8b0\uae30(DC \ucd94\uc885 \uc804\ub958 \ucc28\ub2e8 \uc5c6\uc74c)
\n- DC \ucc28\ub2e8\uc744 \uc704\ud574 \uc6a9\ub3c4\uac00 \ubcc0\uacbd\ub41c \uc870\uba85 \ud328\ub110 \ucc28\ub2e8\uae30<\/p>\n

\uc218\uc815<\/strong>: \ubaa8\ub4e0 \uad6c\uc131\ud488\uc774 \uc2dc\uc2a4\ud15c \uc804\uc555\uc5d0\uc11c DC\uc6a9\uc73c\ub85c \uba85\uc2dc\uc801\uc73c\ub85c \uc815\uaca9\ud654\ub418\uc5b4 \uc788\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. \uba85\ud310\uc5d0 \u201cDC\u201d \ud45c\uc2dc\uc640 \ud2b9\uc815 \uc804\uc555(\uc608: \u201c1000V DC\u201d)\uc774 \uc788\ub294\uc9c0 \ud655\uc778\ud558\uc138\uc694. AC\/DC \uc774\uc911 \uc815\uaca9\uc740 DC \uc804\uc555\uc774 \uad6c\uccb4\uc801\uc73c\ub85c \ud45c\uc2dc\ub41c \uacbd\uc6b0\uc5d0\ub9cc \ud5c8\uc6a9\ub429\ub2c8\ub2e4. AC \uc804\uc6a9 \uad6c\uc131\ud488\uc740 \uc989\uc2dc \uad50\uccb4\ud558\uc138\uc694. \uc774\ub294 \uc0dd\uba85\uacfc \uc9c1\uacb0\ub418\ub294 \uc548\uc804 \ubb38\uc81c\uc785\ub2c8\ub2e4.<\/p>\n

\ubd80\uc801\uc808\ud55c SPD \uc811\uc9c0 \u274c \ubd80\uc801\uc808\ud55c \uc811\uc9c0<\/h3>\n

\ubb38\uc81c<\/strong>: SPD\ub97c \uc811\uc9c0\uc5d0 \uc5f0\uacb0\ud558\ub294 \uae34 \ucf54\uc77c \uc811\uc9c0 \ub9ac\ub4dc(>24\uc778\uce58). \uae34 \ub3c4\uccb4\uc758 \uc720\ub3c4 \uc784\ud53c\ub358\uc2a4\ub294 SPD \ud6a8\uacfc\ub97c \uac10\uc18c\uc2dc\ucf1c \uc704\ud5d8\ud55c \uc804\uc555\uc774 \ubcf4\ud638 \uc7a5\ube44\uc5d0 \ub3c4\ub2ec\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n

\uc77c\ubc18\uc801\uc778 \uc2dc\ub098\ub9ac\uc624<\/strong>:
\n- \uce90\ube44\ub2db \ubc84\uc2a4\ubc14\uc5d0 3\ud53c\ud2b8 \uc811\uc9c0 \ub9ac\ub4dc\uc640 \ud568\uaed8 \ud328\ub110 \ub3c4\uc5b4\uc5d0 \uc7a5\ucc29\ub41c SPD
\n- SPD \ub4a4\uc5d0 \u201c\ubcf4\uad00\u201d\ub41c \ucf54\uc77c\ud615 \ucd08\uacfc \uc804\uc120
\n- 14AWG \uc774\ud558 \uc811\uc9c0 \ub3c4\uccb4(\uc11c\uc9c0 \uc804\ub958\uc5d0 \ubd80\uc801\ud569)<\/p>\n

\uc218\uc815<\/strong>: \uc2e4\uc6a9\uc801\uc778 \ucd5c\ub2e8 \uc811\uc9c0 \uacbd\ub85c(\ucd5c\ub300 6~12\uc778\uce58)\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uae09\uaca9\ud55c \uad6c\ubd80\ub7ec\uc9d0\uc774\ub098 \ucf54\uc77c \uc5c6\uc774 \uc9c1\uc120\uc73c\ub85c \ubc30\uc120\ud569\ub2c8\ub2e4. \uc555\ucd95 \ub7ec\uadf8\uac00 \uc788\ub294 \ucd5c\uc18c 6AWG \uad6c\ub9ac \ub3c4\uccb4\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc5f0\uacb0\ubd80\uc5d0 \uc0b0\ud654 \ubc29\uc9c0 \ud654\ud569\ubb3c\uc744 \ubc14\ub974\uc2ed\uc2dc\uc624. \ub354 \uc9e7\uc740 \uc811\uc9c0 \uacbd\ub85c\ub97c \ud655\ubcf4\ud560 \uc218 \uc5c6\ub294 \uacbd\uc6b0 SPD \uc7ac\ubc30\uce58\ub97c \uace0\ub824\ud558\uc138\uc694.<\/p>\n

\u274c \ub2e8\uc77c \ubcf4\ud638 \uacc4\uce35<\/h3>\n

\ubb38\uc81c<\/strong>: \ub2e8\uc77c \ubcf4\ud638 \uc7a5\uce58\uc5d0 \uc758\uc874\ud558\ub294 \uacbd\uc6b0(\uc608: \ucef4\ubc14\uc774\ub108 SPD\ub9cc, \uc778\ubc84\ud130 SPD \uc5c6\uc74c). \ub2e8\uc77c \uc9c0\uc810 \uc7a5\uc560\ub294 \uc2dc\uc2a4\ud15c\uc744 \ubcf4\ud638\ud558\uc9c0 \ubabb\ud569\ub2c8\ub2e4.<\/p>\n

\uc77c\ubc18\uc801\uc778 \uc2dc\ub098\ub9ac\uc624<\/strong>:
\n- \uacb0\ud569\uae30\uc5d0\ub294 \uc720\ud615 1 SPD\uac00 \uc788\uc9c0\ub9cc \uc778\ubc84\ud130\uc5d0\ub294 \uc720\ud615 2\uac00 \uc5c6\uc74c(\uc11c\uc9c0\uac00 AC \uce21\uc5d0 \ubcf4\ud638\ub418\uc9c0 \uc54a\uc740 \uc0c1\ud0dc\ub85c \uc720\uc785\ub428)
\n- \uc778\ubc84\ud130\uc5d0 AFCI\uac00 \uc788\uc9c0\ub9cc \ubb38\uc790\uc5f4 \uc218\uc900 \uac10\uc9c0\uac00 \uc5c6\uc74c(\uacb0\ud568\uc774 \uc788\ub294 \ubb38\uc790\uc5f4\uc744 \ubd84\ub9ac\ud560 \uc218 \uc5c6\uc74c)
\n- \uacfc\uc804\ub958 \ubcf4\ud638 \uae30\ub2a5\uc740 \uc788\uc9c0\ub9cc \uc11c\uc9c0 \ubcf4\ud638 \uae30\ub2a5\uc740 \uc5c6\uc74c(\ud55c \uac00\uc9c0 \uace0\uc7a5 \ubaa8\ub4dc\ub9cc \uc801\uc6a9\ud558\uace0 \ub2e4\ub978 \ubaa8\ub4dc\ub294 \ubb34\uc2dc)<\/p>\n

\uc218\uc815<\/strong>: \uacfc\uc804\ub958 + \uacfc\uc804\uc555 + \uc544\ud06c \uc624\ub958 + \uc811\uc9c0 \uc624\ub958 \ub4f1 \uacc4\uce35\ud654\ub41c \ubcf4\ud638 \uae30\ub2a5\uc744 \uad6c\ud604\ud569\ub2c8\ub2e4. \uac01 \uacc4\uce35\uc740 \uc11c\ub85c \ub2e4\ub978 \uace0\uc7a5 \ubaa8\ub4dc\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4. \ube44\ubcf4\ud638 \uc7a5\ube44 \uad50\uccb4($5,000-50,000)\uc5d0 \ube44\ud574 \ube44\uc6a9 \uc99d\uac00($500-1500 \uc8fc\uac70\uc6a9, $2000-5000 \uc0c1\uc5c5\uc6a9)\ub294 \ubb34\uc2dc\ud560 \uc218 \uc788\uc744 \uc815\ub3c4\ub85c \ubbf8\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n

\u274c \ubcf4\ud638 \uc870\uc815 \ubb34\uc2dc\ud558\uae30<\/h3>\n

\ubb38\uc81c<\/strong>: \uc870\uc815\uc744 \ud655\uc778\ud558\uc9c0 \uc54a\uace0 \ubcf4\ud638 \uc7a5\uce58\ub97c \uc120\ud0dd\ud588\uc2b5\ub2c8\ub2e4. \uc2a4\ud2b8\ub9c1 \ud4e8\uc988 \ub300\uc2e0 \uc8fc \ucc28\ub2e8\uae30\uac00 \uc5f4\ub824 \ub2e8\uc77c \uc2a4\ud2b8\ub9c1 \uc624\ub958\ub85c \uc778\ud574 \uc804\uccb4 \uc2dc\uc2a4\ud15c\uc758 \uc804\uc6d0\uc744 \ucc28\ub2e8\ud558\ub294 \uc131\uac00\uc2e0 \ud2b8\ub9bd\uc744 \ucd08\ub798\ud569\ub2c8\ub2e4.<\/p>\n

\uc77c\ubc18\uc801\uc778 \uc2dc\ub098\ub9ac\uc624<\/strong>:
\n- \ud544\uc694\ud55c \uac83\ubcf4\ub2e4 \uc791\uc740 \uc5b4\ub808\uc774 \ucc28\ub2e8\uae30, \uc2a4\ud2b8\ub9c1 \ud4e8\uc988\uac00 \uc81c\uac70\ub418\uae30 \uc804\uc5d0 \ud2b8\ub9bd\ub428
\n- \uc2a4\ud2b8\ub9c1 \ud4e8\uc988\uac00 \ub108\ubb34 \ucee4\uc11c \uc120\ud0dd\uc801 \ubcf4\ud638 \uae30\ub2a5\uc744 \uc81c\uacf5\ud558\uc9c0 \uc54a\uc74c
\n- \uc2dc\uac04-\uc804\ub958 \uace1\uc120 \ubd84\uc11d\uc774 \uc218\ud589\ub418\uc9c0 \uc54a\uc74c<\/p>\n

\uc218\uc815<\/strong>: \uc81c\uc870\uc5c5\uccb4\ub85c\ubd80\ud130 \uc2dc\uac04 \uc804\ub958 \uace1\uc120\uc744 \uc5bb\uc2b5\ub2c8\ub2e4. \uc608\uc0c1 \uace0\uc7a5 \uc804\ub958\uc5d0\uc11c \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \uc7a5\uce58\uc640 \uc5c5\uc2a4\ud2b8\ub9bc \uc7a5\uce58 \uc0ac\uc774\uc758 \ucd5c\uc18c 0.05\ucd08 \uac04\uaca9\uc744 \ud655\uc778\ud558\ub294 \ub85c\uadf8 \uadf8\ub798\ud504\uc5d0 \ud50c\ub86f\ud569\ub2c8\ub2e4. 100kW\ub97c \ucd08\uacfc\ud558\ub294 \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0 \ubcf4\ud638 \uc5d4\uc9c0\ub2c8\uc5b4\uc5d0\uac8c \uc870\uc815 \uc5f0\uad6c\ub97c \uc758\ub8b0\ud558\uc138\uc694.<\/p>\n

\u274c \ubd80\uc801\uc808\ud55c AFCI \uac10\ub3c4<\/h3>\n

\ubb38\uc81c<\/strong>: AFCI \uac10\ub3c4\uac00 \ub108\ubb34 \ub192\uac8c \uc124\uc815\ub418\uc5b4(\uac10\ub3c4\uac00 \ub0ae\uc74c) \uc2e4\uc81c \uc544\ud06c \uacb0\ud568\uc744 \ub193\ucce4\uc2b5\ub2c8\ub2e4. \ub610\ub294 \ub108\ubb34 \ub0ae\uac8c \uc124\uc815(\ubbfc\uac10\ub3c4 \ub192\uc74c)\ud558\uc5ec \uc778\ubc84\ud130 \uc2a4\uc704\uce6d \ub178\uc774\uc988\ub85c \uc778\ud55c \uc131\uac00\uc2e0 \ud2b8\ub9bd\uc744 \uc720\ubc1c\ud569\ub2c8\ub2e4.<\/p>\n

\uc77c\ubc18\uc801\uc778 \uc2dc\ub098\ub9ac\uc624<\/strong>:
\n- \uc0ac\uc774\ud2b8\ubcc4 \ud29c\ub2dd \uc5c6\uc774 \uae30\ubcf8 AFCI \uc124\uc815 \uc0ac\uc6a9
\n- \uc131\uac00\uc2e0 \ud2b8\ub9bd \ud6c4 \uadfc\ubcf8 \uc6d0\uc778\uc744 \uc870\uc0ac\ud558\ub294 \ub300\uc2e0 AFCI \ube44\ud65c\uc131\ud654\ud558\uae30
\n- \uc804\ub825 \uc635\ud2f0\ub9c8\uc774\uc800\uc758 \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc\uc5d0 AFCI \uc124\uce58(\uc544\ud06c \uc2dc\uadf8\ub2c8\ucc98\ub97c \ub9c8\uc2a4\ud0b9)<\/p>\n

\uc218\uc815<\/strong>: \ud604\uc7a5 EMI \ud658\uacbd\uc5d0 \ub9de\ub294 \uac10\ub3c4 \uc870\uc815\uc744 \ud3ec\ud568\ud55c \uc81c\uc870\uc5c5\uccb4\uc758 \uc2dc\uc6b4\uc804 \uc808\ucc28\ub97c \ub530\ub985\ub2c8\ub2e4. \uc218\uc815\uc774 \ud544\uc694\ud55c \uc2e4\uc81c \ubb38\uc81c(\ub3c4\uccb4 \uc190\uc0c1, \uc5f0\uacb0 \ub290\uc2a8\ud568)\ub97c \ub098\ud0c0\ub0b4\ub294 AFCI \ud2b8\ub9bd\uc744 \uc870\uc0ac\ud569\ub2c8\ub2e4. \ud654\uc7ac \uc704\ud5d8\uc744 \ud574\uacb0\ud558\uc9c0 \uc54a\uc740 \ucc44 \uc131\uac00\uc2e0 \ud2b8\ub9bd \uc99d\uc0c1\uc744 \u201c\ud574\uacb0\u201d\ud558\uae30 \uc704\ud574 AFCI\ub97c \ube44\ud65c\uc131\ud654\ud558\uc9c0 \ub9c8\uc138\uc694.<\/p>\n

\"\ube14\ub85c\uadf8<\/figure>\n

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

\ud0dc\uc591\uad11 \uc2dc\uc2a4\ud15c\uc5d0 \ud544\uc694\ud55c \uc8fc\uc694 \ubcf4\ud638 \uc720\ud615\uc5d0\ub294 \uc5b4\ub5a4 \uac83\uc774 \uc788\ub098\uc694?<\/h3>\n

(1) \uacfc\ub3c4\ud55c \uc804\ub958\ub85c \uc778\ud55c \ub3c4\uccb4 \uacfc\uc5f4\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \ud4e8\uc988 \ub610\ub294 DC \uc815\uaca9 \ucc28\ub2e8\uae30\ub97c \uc0ac\uc6a9\ud558\ub294 \uacfc\uc804\ub958 \ubcf4\ud638, (2) \ub099\ub8b0 \ubc0f \uc2a4\uc704\uce6d \uacfc\ub3c4 \ud604\uc0c1\uc744 \uc81c\ud55c\ud558\ub294 \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\ub97c \uc0ac\uc6a9\ud55c \uacfc\uc804\uc555 \ubcf4\ud638, (3) \uc190\uc0c1\ub41c \ub3c4\uccb4\uc758 \uc804\uae30 \uc544\ud06c\ub97c \uac10\uc9c0\ud558\uace0 \ucc28\ub2e8\ud558\ub294 \uc544\ud06c \uc624\ub958 \ubcf4\ud638, (4) \uc808\uc5f0 \uc800\ud56d\uc744 \ubaa8\ub2c8\ud130\ub9c1\ud558\uace0 \uc804\ub958 \ub204\uc124\uc744 \uac10\uc9c0\ud558\ub294 \uc9c0\ub77d \ubcf4\ud638, (5) \ube44\uc0c1 \uc2dc \ub3c4\uccb4 \uc804\uc555\uc744 \uc904\uc774\ub294 \uae09\uc18d \ucc28\ub2e8 \ub4f1 \ud0dc\uc591\uad11 \uc2dc\uc2a4\ud15c\uc740 NEC 690\uc870\uc5d0 \ub530\ub77c \ub2e4\uc12f \uac00\uc9c0 \ud575\uc2ec \ubcf4\ud638 \uc720\ud615\uc744 \ud544\uc694\ub85c \ud569\ub2c8\ub2e4. \uacfc\uc804\ub958\ub294 \ub2e8\ub77d\uacfc \uc5ed\ub958\ub97c \ucc98\ub9ac\ud558\uace0, \uacfc\uc804\uc555\uc740 \uc11c\uc9c0\ub85c\ubd80\ud130 \ubcf4\ud638\ud558\uba70, \uc544\ud06c \uacb0\ud568\uc740 \uc190\uc0c1\ub41c \ubc30\uc120\uc73c\ub85c \uc778\ud55c \ud654\uc7ac\ub97c \ubc29\uc9c0\ud558\uace0, \uc9c0\ub77d\uc740 \uc808\uc5f0 \ud30c\uad34\ub97c \uac10\uc9c0\ud558\uace0, \uae09\uc18d \uc885\ub8cc\ub294 \uc778\uba85 \uc548\uc804\uc744 \ubcf4\uc7a5\ud558\ub294 \ub4f1 \uac01 \ubcf4\ud638 \uc720\ud615\uc740 \uc11c\ub85c \ub2e4\ub978 \uace0\uc7a5 \ubaa8\ub4dc\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4. \ub2e4\uc12f \uac00\uc9c0 \ub808\uc774\uc5b4\uac00 \ubaa8\ub450 \ud568\uaed8 \uc791\ub3d9\ud558\uc5ec \ud3ec\uad04\uc801\uc778 \ubcf4\ud638 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc5b4\ub290 \ud55c \uacc4\uce35\uc774 \ub204\ub77d\ub418\uba74 \uc2dc\uc2a4\ud15c\uc774 \ud2b9\uc815 \uace0\uc7a5 \ubaa8\ub4dc\uc5d0 \ucde8\uc57d\ud574\uc9d1\ub2c8\ub2e4(\uc608: \uacfc\uc804\ub958 \ubcf4\ud638\ub294 \uc6b0\uc218\ud558\uc9c0\ub9cc \uc11c\uc9c0 \ubcf4\ud638\uac00 \uc5c6\uc73c\uba74 \ub099\ub8b0\ub85c \uc778\ud574 \uc778\ubc84\ud130\uac00 \uc5ec\uc804\ud788 \ud30c\uad34\ub420 \uc218 \uc788\uc74c). \uc644\uc804\ud55c \uc8fc\uac70\uc6a9 \uc2dc\uc2a4\ud15c \ubcf4\ud638\uc5d0 \ub300\ud55c \ube44\uc6a9: 5\uac1c\uc758 \ub808\uc774\uc5b4\ub97c \ubaa8\ub450 \ud3ec\ud568\ud558\uc5ec $1,500-2,500, \ucd1d \uc2dc\uc2a4\ud15c \ube44\uc6a9\uc758 8-12%\uc5d0 \ud574\ub2f9\ud558\uc9c0\ub9cc 85%\uc758 \uc804\uae30 \uc7a5\uc560\ub97c \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n

\ud0dc\uc591\uad11 \uc5b4\ub808\uc774\uc758 \uacfc\uc804\ub958 \ubcf4\ud638 \uc7a5\uce58 \ud06c\uae30\ub294 \uc5b4\ub5bb\uac8c \uacb0\uc815\ud558\ub098\uc694?<\/h3>\n<\/p>\n

\uacfc\uc804\ub958 \uc7a5\uce58 \ud06c\uae30\ub294 \ud68c\ub85c \uc704\uce58 \ubc0f \uace0\uc7a5 \uc804\ub958 \ub178\ucd9c\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \ubcd1\ub82c \uad6c\uc131\uc758 \uc2a4\ud2b8\ub9c1 \ub808\ubca8 \ud4e8\uc988\uc758 \uacbd\uc6b0 \ucd5c\ub300 \ubc31\ud53c\ub4dc \uc804\ub958\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4: (\ubcd1\ub82c \uc2a4\ud2b8\ub9c1 \uc218 - 1) \u00d7 \uc2a4\ud2b8\ub9c1 \ub2e8\ub77d \uc804\ub958(Isc). \uadf8\ub7f0 \ub2e4\uc74c NEC 690.8(B)(1)\uc5d0 \ub530\ub77c 156%\uc758 \uc2a4\ud2b8\ub9c1 Isc\ub85c \ud4e8\uc988 \ud06c\uae30\ub97c \uc815\ud569\ub2c8\ub2e4. \uc608: 6\uac1c\uc758 \ubcd1\ub82c \uc2a4\ud2b8\ub9c1\uc774 \uc788\ub294 10A Isc \uc2a4\ud2b8\ub9c1\uc758 \ubc31\ud53c\ub4dc = 5 \u00d7 10A = 50A. \uc2a4\ud2b8\ub9c1 \ub3c4\uccb4 \uc554\ud398\uc5b4 \uc6a9\ub7c9 = 30A(\ub3c4\uad00 \ub0b4 10AWG). \ubc31\ud53c\ub4dc\uac00 \uc554\ud398\uc5b4\ub97c \ucd08\uacfc\ud558\ubbc0\ub85c \uc2a4\ud2b8\ub9c1 \ud4e8\uc988\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ud4e8\uc988 \ud06c\uae30: 10A \u00d7 1.56 = 15.6A, 15A \ub610\ub294 20A \ud45c\uc900 gPV \ud4e8\uc988 \uc120\ud0dd. \ucef4\ubc14\uc774\ub108\uc640 \uc778\ubc84\ud130 \uc0ac\uc774\uc758 \uc5b4\ub808\uc774 \ub808\ubca8 \ucc28\ub2e8\uae30\uc758 \uacbd\uc6b0, \ucd5c\ub300 \ud68c\ub85c \uc804\ub958 125%\uc5d0\uc11c \ud06c\uae30: (\ucd1d \ubcd1\ub82c \uc2a4\ud2b8\ub9c1 \u00d7 Isc) \u00d7 1.25. \uc608: 6 \uc2a4\ud2b8\ub9c1 \u00d7 10A \u00d7 1.25 = 75A, 80A \ub610\ub294 100A DC \uc815\uaca9 \ucc28\ub2e8\uae30\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4. \uc911\uc694: \ucc28\ub2e8\uae30 DC \uc804\uc555 \uc815\uaca9 \u2265 \ucd5c\ub300 \uc2dc\uc2a4\ud15c \uc804\uc555 \ubc0f \uc778\ud130\ub7fd\ud2b8 \uc815\uaca9 \u2265 \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uace0\uc7a5 \uc804\ub958\ub97c \ud655\uc778\ud569\ub2c8\ub2e4. \uacfc\uc804\ub958 \uc7a5\uce58 \ud06c\uae30\ub97c \ubc18\uc62c\ub9bc\ud558\uc9c0 \ub9c8\uc138\uc694. \ud06c\uae30\uac00 \uc791\uc740 \uc7a5\uce58\ub294 \uc131\uac00\uc2e0 \ud2b8\ub9bd\uacfc \uc7a0\uc7ac\uc801\uc778 \ub3c4\uccb4 \uc190\uc0c1\uc744 \uc720\ubc1c\ud569\ub2c8\ub2e4.<\/p>\n

\uc720\ud615 1, \uc720\ud615 2, \uc720\ud615 3 \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3>\n<\/p>\n

SPD \uc720\ud615\uc740 IEC 61643-11 \ubd84\ub958\uc5d0 \ub530\ub77c \ud14c\uc2a4\ud2b8 \uc694\uad6c \uc0ac\ud56d\uacfc \uc124\uce58 \uc704\uce58\uac00 \ub2e4\ub985\ub2c8\ub2e4. \uc720\ud615 1\uc740 \uc9c1\uc811 \ub099\ub8b0 \uc804\ub958(25-100kA \uc784\ud384\uc2a4)\ub97c \uc2dc\ubbac\ub808\uc774\uc158\ud558\ub294 10\/350\u03bcs \ud30c\ud615\uc73c\ub85c \ud14c\uc2a4\ud2b8\ub418\uc5c8\uc73c\uba70, \uc11c\ube44\uc2a4 \uc785\uad6c \ub610\ub294 \uc625\uc0c1 \uc5b4\ub808\uc774\uc5d0\uc11c \uac74\ubb3c\ub85c\uc758 DC \ud648\ub7f0 \uc9c4\uc785\uacfc \uac19\uc774 \ubd80\ubd84\uc801\uc778 \ub099\ub8b0 \ub178\ucd9c\uc774\uc788\ub294 \uc704\uce58\uc5d0 \uc124\uce58\ub429\ub2c8\ub2e4. \uc720\ud615 2\ub294 \uc720\ud615 1 \ubcf4\ud638\uc758 \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc\uc5d0 \uc124\uce58\ub41c \ubc30\uc804 \ud328\ub110 \ubc0f \uc778\ubc84\ud130 \ub2e8\uc790\uc5d0 \uc720\ub3c4 \uc11c\uc9c0(20-40kA \ubc29\uc804 \uc804\ub958)\uc5d0 \ub300\ud574 8\/20\u03bcs \ud30c\ud615\uc73c\ub85c \ud14c\uc2a4\ud2b8\ud569\ub2c8\ub2e4. \uc720\ud615 3\uc740 \ubbfc\uac10\ud55c \ubaa8\ub2c8\ud130\ub9c1 \ubc0f \ud1b5\uc2e0 \ud68c\ub85c\uc5d0 \uc124\uce58\ub418\ub294 \uc7a5\ube44 \uc218\uc900 \ubcf4\ud638(5~10kA)\ub97c \uc704\ud574 \uc870\ud569 \ud30c\ud615 \ud14c\uc2a4\ud2b8(1.2\/50\u03bcs \uc804\uc555, 8\/20\u03bcs \uc804\ub958)\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ud0dc\uc591\uad11 \uc2dc\uc2a4\ud15c\uc5d0\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4\uc5d0\ub294 \uc720\ud615 1 DC SPD, \uc778\ubc84\ud130 DC \uc785\ub825\uc5d0\ub294 \uc720\ud615 2 DC SPD, \uc778\ubc84\ud130 AC \ucd9c\ub825\uc5d0\ub294 \uc720\ud615 2 AC SPD, \ubaa8\ub2c8\ud130\ub9c1 \ud68c\ub85c\uc5d0\ub294 \uc720\ud615 3\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc5d0\ub108\uc9c0 \uc870\uc815\uc744 \uc704\ud574\uc11c\ub294 \uc5c5\uc2a4\ud2b8\ub9bc\ubcf4\ub2e4 \ub0ae\uc740 \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc SPD \uc804\uc555 \ubcf4\ud638 \uc218\uc900\uc774 \ud544\uc694\ud569\ub2c8\ub2e4: \uc608: 3.5kV\uc5d0\uc11c \uc720\ud615 1, 2.5kV\uc5d0\uc11c \uc720\ud615 2, 1.5kV\uc5d0\uc11c \uc720\ud615 3. \uc774 \ub2e8\uacc4\uc801 \uc811\uadfc \ubc29\uc2dd\uc740 \uc11c\uc9c0 \uc804\uc555\uc774 \ubbfc\uac10\ud55c \uc7a5\ube44\ub85c \uc804\ud30c\ub420 \ub54c \uc810\uc9c4\uc801\uc73c\ub85c \uc81c\ud55c\ud569\ub2c8\ub2e4. \ube44\uc6a9: \uc720\ud615 1 $200-500, \uc720\ud615 2 $100-300, \uc720\ud615 3 $50-150 \uc7a5\uce58\ub2f9.<\/p>\n

\uc544\ud06c \uace0\uc7a5 \ud68c\ub85c \ucc28\ub2e8\uae30\ub294 \ud0dc\uc591\uad11 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc5b4\ub5bb\uac8c \uc791\ub3d9\ud558\ub098\uc694?<\/h3>\n<\/p>\n

\uc544\ud06c \uace0\uc7a5 \ud68c\ub85c \ucc28\ub2e8\uae30(AFCI)\ub294 \ub9c8\uc774\ud06c\ub85c\ud504\ub85c\uc138\uc11c \uae30\ubc18 \uc2e0\ud638 \ubd84\uc11d\uc744 \uc0ac\uc6a9\ud558\uc5ec DC \uc804\ub958 \ud30c\ud615\uc744 \uc9c0\uc18d\uc801\uc73c\ub85c \ubaa8\ub2c8\ud130\ub9c1\ud569\ub2c8\ub2e4. \uc804\uae30 \uc544\ud06c\ub294 \ubd88\uc548\uc815\ud55c \ud50c\ub77c\uc988\ub9c8\uc5d0\uc11c \uace0\uc8fc\ud30c \ub178\uc774\uc988(100kHz~1MHz)\ub97c \uc0dd\uc131\ud558\uba70, AFCI\ub294 \uc774\ub7ec\ud55c \ud2b9\uc9d5\uc801\uc778 \uc8fc\ud30c\uc218 \uc2dc\uadf8\ub2c8\ucc98\ub97c \uc2dd\ubcc4\ud558\ub294 \uace0\uc18d \ud478\ub9ac\uc5d0 \ubcc0\ud658\uc744 \uc218\ud589\ud569\ub2c8\ub2e4. \uc815\uc0c1\uc801\uc778 DC \uc804\ub958\ub294 \ucd5c\uc18c\ud55c\uc758 \uace0\uc8fc\ud30c \ucf58\ud150\uce20\ub85c \uc6d0\ud65c\ud569\ub2c8\ub2e4. \uc544\ud06c \uc2dc\uadf8\ub2c8\ucc98\uac00 0.5\ucd08 \uc774\uc0c1 \uc9c0\uc18d\ub418\uba74(\uc9c0\uc18d \uc544\ud06c \ub300 \uc21c\uac04 \uacfc\ub3c4 \uc544\ud06c), AFCI\ub294 \uc704\ud5d8\ud55c \uc544\ud06c\uac00 \uc874\uc7ac\ud558\ub294 \uac83\uc73c\ub85c \ud310\ub2e8\ud558\uace0 NEC 690.11\uc5d0 \ub530\ub77c 1\ucd08 \uc774\ub0b4\uc5d0 \ud68c\ub85c\ub97c \uac1c\ubc29\ud569\ub2c8\ub2e4. \ucd5c\uc2e0 AFCI\ub294 \uc218\ucc9c \uac1c\uc758 \uc544\ud06c \uace0\uc7a5 \ud30c\ud615\uc5d0 \ub300\ud574 \ud559\uc2b5\ub41c \ud328\ud134 \uc778\uc2dd \uc54c\uace0\ub9ac\uc998\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc720\ud574\ud55c \uc544\ud06c(\ub3c4\uccb4 \uc190\uc0c1, \uc5f0\uacb0 \ub290\uc2a8\ud568)\uc640 \uc591\uc131 \uace0\uc8fc\ud30c \ub178\uc774\uc988(\uc778\ubc84\ud130 \uc2a4\uc704\uce6d, \ubaa8\ud130 \uc2dc\ub3d9)\ub97c \uad6c\ubd84\ud569\ub2c8\ub2e4. 2017\ub144 \uc774\ud6c4\uc5d0 \uc81c\uc870\ub41c \ub300\ubd80\ubd84\uc758 \uac00\uc815\uc6a9 \uc778\ubc84\ud130\uc5d0\ub294 \ud1b5\ud569 AFCI \ubaa8\ub2c8\ud130\ub9c1 DC \ud68c\ub85c\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc0c1\uc5c5\uc6a9 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4\uc5d0 \ub3c5\ub9bd\ud615 AFCI \uc7a5\uce58\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc2a4\ud2b8\ub9c1 \uc218\uc900\uc758 \uc544\ud06c \uac10\uc9c0\ub97c \uc81c\uacf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubaa8\ub4c8 \uc218\uc900\uc758 \uc804\ub825 \uc804\uc790 \uc7a5\uce58(\uc635\ud2f0\ub9c8\uc774\uc800, \ub9c8\uc774\ud06c\ub85c \uc778\ubc84\ud130)\ub294 \ubaa8\ub4c8 \uc218\uc900\uc5d0\uc11c AFCI\ub97c \ud1b5\ud569\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \ud14c\uc2a4\ud2b8: \uc6d4\ubcc4 \ub610\ub294 \ubd84\uae30\ubcc4\ub85c \ubc84\ud2bc\uc744 \ub20c\ub7ec \uc544\ud06c \uc2dc\uadf8\ub2c8\ucc98\ub97c \uc2dc\ubbac\ub808\uc774\uc158\ud558\uc5ec \uac10\uc9c0 \ubc0f \uc778\ud130\ub7fd\ud2b8 \uae30\ub2a5\uc774 \uc62c\ubc14\ub974\uac8c \uc791\ub3d9\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. \ubaa8\ub4e0 \ud2b8\ub9bd\uc740 \uc870\uc0ac \ubc0f \uc218\uc815\uc774 \ud544\uc694\ud55c \uc2e4\uc81c \ubb38\uc81c\ub97c \ub098\ud0c0\ub0b4\ubbc0\ub85c \uc808\ub300\ub85c AFCI\ub97c \ube44\ud65c\uc131\ud654\ud558\uc9c0 \ub9c8\uc138\uc694.<\/p>\n

\ud0dc\uc591\uacc4\uc5d0\uc11c \uc811\uc9c0 \uacb0\ud568\uc758 \uc6d0\uc778\uc740 \ubb34\uc5c7\uc774\uba70 \uc5b4\ub5bb\uac8c \uac10\uc9c0\ud560 \uc218 \uc788\ub098\uc694?<\/h3>\n<\/p>\n

\uc811\uc9c0 \uacb0\ud568\uc740 \uc808\uc5f0 \ud30c\uad34\ub85c \uc778\ud574 \uc804\ub958\uac00 DC \ub3c4\uccb4\uc5d0\uc11c \uc811\uc9c0\ub41c \ubaa8\ub4c8 \ud504\ub808\uc784 \ub610\ub294 \ub9c8\uc6b4\ud305 \uad6c\uc870\ub85c \ub204\uc124\ub420 \ub54c \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc8fc\uc694 \uc6d0\uc778 \ub3c4\uccb4 \uc808\uc5f0\uc758 \uc790\uc678\uc120 \uc5f4\ud654(40%), \uc124\uce58\ub958\uc5d0 \uc758\ud55c \uc5b4\ub808\uc774 \uc544\ub798 \ubc30\uc120 \uc190\uc0c1(25%), \uc815\uc158 \ubc15\uc2a4\uc758 \uc2b5\uae30 \uce68\ud22c(20%), \ub0a0\uce74\ub85c\uc6b4 \ubaa8\uc11c\ub9ac \ub610\ub294 \uacfc\ub3c4\ud558\uac8c \uc870\uc5ec\uc9c4 \ud074\ub7a8\ud504\ub85c \uc778\ud55c \uc124\uce58 \uc190\uc0c1(15%). \uac10\uc9c0\ub294 \ubcc0\ub958\uae30 \ub610\ub294 \ud640 \ud6a8\uacfc \uc13c\uc11c\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc591\uadf9\uacfc \uc74c\uadf9 DC \ub3c4\uccb4 \uc0ac\uc774\uc758 \uc804\ub958 \uade0\ud615\uc744 \ubaa8\ub2c8\ud130\ub9c1\ud569\ub2c8\ub2e4. \uc808\uc5f0\uc774 \uc628\uc804\ud55c \uac74\uac15\ud55c \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \ub098\uac00\ub294 \uc804\ub958\uac00 \ub3cc\uc544\uc624\ub294 \uc804\ub958\uc640 \uac19\uc544\uc57c \ud569\ub2c8\ub2e4. \ubd88\uade0\ud615\uc740 \uc811\uc9c0 \ub204\ucd9c\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ubd88\uade0\ud615\uc774 \uc784\uacc4\uac12(\uc77c\ubc18\uc801\uc73c\ub85c \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0 1\uc554\ud398\uc5b4)\uc744 \ucd08\uacfc\ud558\uba74 \uc811\uc9c0 \uc624\ub958 \ubcf4\ud638 \uc7a5\uce58(GFPD)\uac00 \ud2b8\ub9ac\uac70\ub429\ub2c8\ub2e4. <\uc808\uc5f0 \uc800\ud56d\uc744 \ub098\ud0c0\ub0b4\ub294 50kW \ubbf8\ub9cc 600V \uc2dc\uc2a4\ud15c\uc5d0\uc11c <600\u03a9. \uac10\uc9c0 \uc2dc GFPD\ub294 NEC 690.41\uc5d0 \ub530\ub77c 10\ucd08 \uc774\ub0b4\uc5d0 \uc778\ubc84\ud130 \uc167\ub2e4\uc6b4 \uc2e0\ud638\ub97c \ubcf4\ub0b4\uace0 DC \ucc28\ub2e8\uc744 \uc2dc\uc791\ud569\ub2c8\ub2e4. \uc2dc\uac01\uc801 \ud45c\uc2dc(LED, \ub514\uc2a4\ud50c\ub808\uc774)\ub85c \uace0\uc7a5 \uc0c1\ud0dc\ub97c \ud45c\uc2dc\ud569\ub2c8\ub2e4. \ud14c\uc2a4\ud2b8: \ud478\uc2dc \ubc84\ud2bc \uc790\uccb4 \ud14c\uc2a4\ud2b8\ub294 \uac10\uc9c0 \ubc0f \uc778\ud130\ub7fd\ud2b8 \uae30\ub2a5\uc744 \ud655\uc778\ud558\ub294 \uc9c0\ub77d\uc744 \uc2dc\ubbac\ub808\uc774\uc158\ud569\ub2c8\ub2e4. \uad8c\uc7a5 \uc8fc\uae30: \uccab\ud574\uc5d0\ub294 \ub9e4\uc6d4, \uadf8 \uc774\ud6c4\uc5d0\ub294 \ubd84\uae30\ubcc4. GFPD \ud2b8\ub9bd \ud6c4, \ud310\ub3c5\uac12\uc744 \uc7ac\uc124\uc815\ud558\uae30 \uc804\uc5d0 \uc800\ud56d\uacc4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc808\uc5f0 \uc800\ud56d\uc744 \uce21\uc815\ud558\uc138\uc694. <500k\u03a9 \ubbf8\ub9cc\uc740 \uc218\ub9ac\uac00 \ud544\uc694\ud55c \uc2ec\uac01\ud55c \uc808\uc5f0 \uc7a5\uc560\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uba54\uace0\uc784\ubbf8\ud130\ub97c \uc0ac\uc6a9\ud55c \uc5f0\uac04 \uc608\ubc29 \ud14c\uc2a4\ud2b8\ub294 \uc808\uc5f0\uc774 \uace0\uc7a5 \uc0c1\ud0dc\ub85c \uc9c4\ud589\ub418\uae30 \uc804\uc5d0 \uc5f4\ud654\ub418\ub294 \uc808\uc5f0\uc744 \uc2dd\ubcc4\ud569\ub2c8\ub2e4.\n\n\n

\uacfc\uc804\ub958 \ubcf4\ud638\uc640 \uc11c\uc9c0 \ubcf4\ud638\uac00 \ubaa8\ub450 \ud544\uc694\ud55c\uac00\uc694?<\/h3>\n<\/p>\n

\uc608 - \ub450 \uac00\uc9c0 \ubcf4\ud638 \uc720\ud615\uc740 \ubaa8\ub450 \ud544\uc218\uc774\uba70 \uc644\uc804\ud788 \ub2e4\ub978 \uace0\uc7a5 \ubaa8\ub4dc\ub97c \ud574\uacb0\ud569\ub2c8\ub2e4. \uacfc\uc804\ub958 \ubcf4\ud638(\ud4e8\uc988, \ucc28\ub2e8\uae30)\ub294 \uc7a5\ube44 \uace0\uc7a5, \uc5ed\ud53c\ub4dc \ub610\ub294 \uc811\uc9c0 \uc624\ub958\ub85c \uc778\ud55c \uacfc\ub3c4\ud55c \uc5f0\uc18d \ub610\ub294 \ub2e8\ub77d \uc804\ub958\ub85c \uc778\ud55c \ub3c4\uccb4 \uc190\uc0c1 \ubc0f \ud654\uc7ac\ub97c \ubc29\uc9c0\ud569\ub2c8\ub2e4. \uc751\ub2f5 \uc2dc\uac04: \uc804\ub958 \ud06c\uae30\uc5d0 \ub530\ub77c \ubc00\ub9ac\ucd08\uc5d0\uc11c \uc218\ucd08. \ubcf4\ud638 \ub300\uc0c1: \ub0b4\ubd80 \uc2dc\uc2a4\ud15c \uc624\ub958, \ub2e8\ub77d, \uc811\uc9c0 \uc624\ub958. \uc11c\uc9c0 \ubcf4\ud638(SPD)\ub294 \ub099\ub8b0, \uc720\ud2f8\ub9ac\ud2f0 \uc2a4\uc704\uce6d \ub610\ub294 \uc778\ubc84\ud130 \uc624\ub958\ub85c \uc778\ud55c \uc9e7\uc740 \uacfc\ub3c4 \uc804\uc555(\ub9c8\uc774\ud06c\ub85c\ucd08~\ubc00\ub9ac\ucd08 \uc9c0\uc18d \uc2dc\uac04)\uc73c\ub85c \uc778\ud55c \uc7a5\ube44 \uc190\uc0c1\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4. \uc751\ub2f5 \uc2dc\uac04: \ub098\ub178\ucd08. \ubcf4\ud638 \ub300\uc0c1: \uc678\ubd80 \uc11c\uc9c0 \uc774\ubca4\ud2b8, \ubc88\uac1c, \uc804\ub825\ub9dd \uc7a5\uc560. \ub2e4\ub978 \uacfc\uc804\ub958 \uc7a5\uce58\ub294 \uc9e7\uc740 \uacfc\ub3c4 \uc804\ub958(\ud2b8\ub9bd \uc784\uacc4\uac12 \ubbf8\ub9cc)\uc5d0 \uc751\ub2f5\ud558\uc9c0 \uc54a\ub294 \ubc18\uba74, SPD\ub294 \uc9c0\uc18d\uc801\uc778 \uacfc\uc804\ub958\ub97c \ucc28\ub2e8\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc2e4\uc81c \uc0ac\ub840: \ubc88\uac1c\ub294 50\ub9c8\uc774\ud06c\ub85c\ucd08 \ub3d9\uc548 10,000V \uc11c\uc9c0\ub97c \uc720\ub3c4\ud569\ub2c8\ub2e4. \uacfc\uc804\ub958 \uc7a5\uce58\ub294 \ud2b8\ub9bd\ub418\uc9c0 \uc54a\uc9c0\ub9cc(\ub108\ubb34 \uc9e7\uac8c), SPD\ub294 \uc804\uc555\uc744 2,500V\ub85c \ud074\ub7a8\ud504\ud558\uc5ec \uc778\ubc84\ud130 \uc190\uc0c1\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4. \uc774\uc640 \ubcc4\ub3c4\ub85c \ub2e8\ub77d\uc740 500A\uc758 \uc5f0\uc18d \uc804\ub958\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. SPD\ub294 \uc774 \uc804\ub958\ub97c \ucc28\ub2e8\ud560 \uc218 \uc5c6\uc9c0\ub9cc(\uc9c0\uc18d\uc801 \uc804\ub3c4\ub97c \uc704\ud574 \uc124\uacc4\ub418\uc9c0 \uc54a\uc74c) 0.01\ucd08 \uc548\uc5d0 \ud4e8\uc988\uac00 \uc5f4\ub9ac\ubbc0\ub85c \ub3c4\uccb4 \ud654\uc7ac\ub97c \ubc29\uc9c0\ud569\ub2c8\ub2e4. \uc644\ubcbd\ud55c \ubcf4\ud638\ub97c \uc704\ud574\uc11c\ub294 \ub450 \uac00\uc9c0 \uc7a5\uce58 \uc720\ud615\uc774 \ud568\uaed8 \uc791\ub3d9\ud574\uc57c \ud569\ub2c8\ub2e4(\uc8fc\uac70\uc6a9 $800-1,500, \uc0c1\uc5c5\uc6a9 $2,000-5,000). \uc774\ub294 \ucd1d \uc2dc\uc2a4\ud15c \ud22c\uc790\uc758 \uadf9\ud788 \uc77c\ubd80\uc5d0 \ud574\ub2f9\ud569\ub2c8\ub2e4.<\/p>\n

\ubcf4\ud638 \uc7a5\uce58\ub97c \uc5bc\ub9c8\ub098 \uc790\uc8fc \ud14c\uc2a4\ud2b8\ud558\uace0 \uad50\uccb4\ud574\uc57c \ud558\ub098\uc694?<\/h3>\n<\/p>\n

\ubcf4\ud638 \uc7a5\uce58\uc758 \uc720\uc9c0\ubcf4\uc218 \uc8fc\uae30\ub294 \uc720\ud615\uacfc \ub178\ucd9c \uc815\ub3c4\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4. \uacfc\uc804\ub958 \uc7a5\uce58(\ud4e8\uc988, \ucc28\ub2e8\uae30): \ubd80\uc2dd, \uc190\uc0c1 \ub610\ub294 \uc5f0\uacb0\uc774 \ub290\uc2a8\ud558\uc9c0 \uc54a\uc740\uc9c0 \ub9e4\ub144 \uc721\uc548\uc73c\ub85c \uc810\uac80\ud569\ub2c8\ub2e4. \uc811\ucd09 \uc800\ud56d \uce21\uc815(>2M\u03a9. \ubaa8\ub4e0 \uc77d\uae30 <500k\u03a9 \ubbf8\ub9cc\uc740 \uc989\uac01\uc801\uc778 \uc870\uc0ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ubaa8\ub4e0 \ud14c\uc2a4\ud2b8\uc5d0 \ub0a0\uc9dc, \uacb0\uacfc \ubc0f \uc2dc\uc815 \uc870\uce58\ub97c \ubb38\uc11c\ud654\ud558\uc138\uc694. \ubcf4\ud5d8 \uccad\uad6c \uc2dc \uc801\uc808\ud55c \uc2dc\uc2a4\ud15c \uad00\ub9ac\ub97c \uc99d\uba85\ud558\ub294 \uc720\uc9c0\ubcf4\uc218 \uae30\ub85d\uc774 \ud544\uc694\ud55c \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \uc8fc\uac70\uc6a9 \ubcf4\ud638 \uc2dc\uc2a4\ud15c \ud14c\uc2a4\ud2b8 \ubc0f \uc720\uc9c0\ubcf4\uc218\uc5d0\ub294 \uc5f0\uac04 $200-500, \uc0c1\uc5c5\uc6a9\uc740 $1,000-3,000\uc758 \uc608\uc0b0\uc744 \ucc45\uc815\ud558\uc138\uc694.\n\n\n

\uacb0\ub860<\/h2>\n<\/p>\n

\ud0dc\uc591\uad11 \uc2dc\uc2a4\ud15c \ubcf4\ud638\ub294 \uacfc\uc804\ub958, \uacfc\uc804\uc555, \uc544\ud06c \uace0\uc7a5, \uc811\uc9c0 \uace0\uc7a5, \uae09\uc18d \uc885\ub8cc \ub4f1 5\uac00\uc9c0 \ud1b5\ud569 \ubcf4\ud638 \uacc4\uce35\uc744 \ud3ec\ud568\ud558\uba70, \uac01 \uacc4\uce35\uc740 \ucd1d 95%\uc758 \ud0dc\uc591\uad11 \uc2dc\uc2a4\ud15c \uc804\uae30\uc801 \uc704\ud5d8\uc744 \ucd08\ub798\ud558\ub294 \ud2b9\uc815 \uace0\uc7a5 \ubaa8\ub4dc\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4. \ub2e8\uc77c \ub808\uc774\uc5b4 \ubcf4\ud638\ub85c \ucda9\ubd84\ud55c \uacbd\uc6b0\uac00 \ub9ce\uc740 AC \uc804\uae30 \uc2dc\uc2a4\ud15c\uacfc \ub2ec\ub9ac DC \ud0dc\uc591\uad11 \uc124\uce58\ub294 \uc9c0\uc18d\uc801\uc778 DC \uc544\ud06c, \ub204\uc801 \uc9c1\ub82c \uc804\uc555, \ud0dc\uc591\uad11 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uace0\uc720\uc758 \uc9c0\uc18d\uc801\uc778 \uc9c0\ub77d \ud2b9\uc131\uc73c\ub85c \uc778\ud574 \ub2e4\uce35\uc801 \uc811\uadfc \ubc29\uc2dd\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n

\uc8fc\uc694 \uc694\uc810:<\/strong>
\n1. \ub2e4\uc12f \uac00\uc9c0 \ubcf4\ud638 \uc720\ud615\uc740 \ubaa8\ub450 \ud544\uc218\uc785\ub2c8\ub2e4.<\/strong>-NEC 690\uc870\uc5d0\uc11c\ub294 \uacfc\uc804\ub958(690.9), \uc544\ud06c \uace0\uc7a5(690.11), \uc9c0\ub77d(690.41), \uae09\uc18d \uc885\ub8cc(690.12) \ubcf4\ud638 \uae30\ub2a5\uc744 \ucd5c\uc18c\ud55c\uc73c\ub85c \uc694\uad6c\ud558\uba70 \ub300\ubd80\ubd84\uc758 \uc124\uce58\uc5d0 \uacfc\uc804\uc555 \ubcf4\ud638(690.35)\ub97c \uc694\uad6c\ud569\ub2c8\ub2e4. \uc5b4\ub5a4 \uacc4\uce35\ub3c4 \uc0dd\ub7b5\ud558\uba74 \uc2dc\uc2a4\ud15c\uc774 \ud2b9\uc815 \uc7a5\uc560 \ubaa8\ub4dc\uc5d0 \ucde8\uc57d\ud574\uc9d1\ub2c8\ub2e4.
\n2. DC \ub4f1\uae09 \uad6c\uc131 \uc694\uc18c\ub294 \ud611\uc0c1\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/strong>-AC \ucc28\ub2e8\uae30, \ud4e8\uc988 \ub610\ub294 \uc11c\uc9c0 \ud53c\ub8b0\uae30\ub294 \uc9c0\uc18d\uc801\uc778 \uc544\ud06c \ud2b9\uc131\uc73c\ub85c \uc778\ud574 DC \ud68c\ub85c\uc5d0\uc11c \uce58\uba85\uc801\uc778 \uace0\uc7a5\uc744 \uc77c\uc73c\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubaa8\ub4e0 \uad6c\uc131 \uc694\uc18c\ub294 \uba85\ud310\uc5d0 DC \uc804\uc555 \uc815\uaca9\uc744 \uba85\uc2dc\uc801\uc73c\ub85c \ud45c\uc2dc\ud574\uc57c \ud569\ub2c8\ub2e4.
\n3. \ubcf4\ud638 \uc870\uc815\uc73c\ub85c \ubd80\uc218\uc801 \ud53c\ud574 \ubc29\uc9c0<\/strong>-\uc801\uc808\ud558\uac8c \uc870\uc815\ub41c \uc7a5\uce58\ub294 \uc7a5\uc560\uc640 \uac00\uc7a5 \uac00\uae4c\uc6b4 \ubcf4\ud638 \uc7a5\uce58\ub9cc \uc791\ub3d9\ud558\ub3c4\ub85d \ud558\uc5ec \uc815\uc804\uc744 \uac00\uc7a5 \uc791\uc740 \uc2dc\uc2a4\ud15c \ubd80\ubd84\uc73c\ub85c \uc81c\ud55c\ud569\ub2c8\ub2e4. \ub3d9\uc77c\ud55c \uace0\uc7a5 \uc804\ub958\uc5d0\uc11c \uc5b4\ub808\uc774 \ucc28\ub2e8\uae30\ubcf4\ub2e4 \uba3c\uc800 \uc2a4\ud2b8\ub9c1 \ud4e8\uc988\uac00 \ud574\uc81c\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4.
\n4. \uc9e7\uc740 SPD \uc811\uc9c0 \ub9ac\ub4dc\uac00 \uc911\uc694\ud569\ub2c8\ub2e4.<\/strong>-\uc11c\uc9c0 \ubcf4\ud638 \ud6a8\uacfc\ub294 \uc811\uc9c0 \ub3c4\uccb4 \uae38\uc774\uc5d0 \ubc18\ube44\ub840\ud569\ub2c8\ub2e4. \ub3c4\uccb4\uc758 \uac01 \ud53c\ud2b8\ub294 SPD \ud6a8\uacfc\ub97c 15-20% \uac10\uc18c\uc2dc\ud0b5\ub2c8\ub2e4. 6AWG \ucd5c\uc18c \ub3c4\uccb4\uc640 \ud568\uaed8 6-12 \uc778\uce58 \ucd5c\ub300 \uc811\uc9c0 \uacbd\ub85c\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.
\n5. \uacc4\uce35\ud654\ub41c \ubcf4\ud638\ub294 \uc2dc\uc2a4\ud15c \ud22c\uc790 \ube44\uc6a9\uc758 8-12%\ub97c \ucc28\uc9c0\ud569\ub2c8\ub2e4.<\/strong>-\ud3ec\uad04\uc801 \ubcf4\ud638($1,500-2,500 \uc8fc\uac70\uc6a9, $5,000-15,000 \uc0c1\uc5c5\uc6a9)\ub294 \ucd1d \ube44\uc6a9\uc758 \uc77c\ubd80\uc5d0 \ubd88\uacfc\ud558\uc9c0\ub9cc 85%\uc758 \uc804\uae30 \uc7a5\uc560\ub97c \ubc29\uc9c0\ud558\uc5ec \uc774\ubca4\ud2b8\ub2f9 \ud3c9\uade0 $10,000-50,000\uc758 \ubbf8\ubcf4\ud638 \ud53c\ud574\ub97c \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n

\uc801\uc808\ud55c \ud06c\uae30\uc758 \uacfc\uc804\ub958 \uc7a5\uce58, \uc870\uc815\ub41c \uc11c\uc9c0 \ubcf4\ud638, \uc791\ub3d9\ud558\ub294 \uc544\ud06c \uc624\ub958 \ubc0f \uc811\uc9c0 \uc624\ub958 \uac10\uc9c0 \ub4f1 \uc644\ubcbd\ud55c \ubcf4\ud638 \uc2dc\uc2a4\ud15c\uc5d0 \ud22c\uc790\ud558\uba74 \uc7a5\ube44 \ud30c\uad34, \ud654\uc7ac \ud53c\ud574 \ubc0f \uc7a0\uc7ac\uc801 \uc0c1\ud574 \ucc45\uc784\uc744 \ucd08\ub798\ud558\ub294 \ub2e8\uc77c \ubcf4\ud638\ub418\uc9c0 \uc54a\uc740 \uace0\uc7a5\ubcf4\ub2e4 \ud6e8\uc52c \uc801\uc740 \ube44\uc6a9\uc73c\ub85c \ubcf4\ud638\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubcf4\ud638 \uae30\ub2a5\uc740 \uc120\ud0dd\uc801 \uae30\ub2a5 \uac15\ud654\uac00 \uc544\ub2c8\ub77c \uc548\uc804\ud558\uace0 \uc548\uc815\uc801\uc778 \ud0dc\uc591\uad11 \uc6b4\uc601\uc744 \uc704\ud55c \uae30\ubcf8 \uc694\uac74\uc785\ub2c8\ub2e4.<\/p>\n

\uad00\ub828 \ub9ac\uc18c\uc2a4:<\/strong>
\n- \ud0dc\uc591\uc5f4 \ubcf4\ud638\ub97c \uc704\ud55c DC \ud68c\ub85c \ucc28\ub2e8\uae30 \uc120\ud0dd<\/a>
\n- DC SPD \uc720\ud615 \ubc0f \uc11c\uc9c0 \ubcf4\ud638 \uc870\uc815<\/a>
\n- \ud0dc\uc591\uad11 \ud328\ub110 \ub099\ub8b0 \ubcf4\ud638 \ubc29\ubc95<\/a><\/p>\n

\ud0dc\uc591\uad11 \uc124\ube44\uc5d0 \ub300\ud55c \ud3ec\uad04\uc801\uc778 \ubcf4\ud638 \uae30\ub2a5\uc744 \uad6c\ud604\ud560 \uc900\ube44\uac00 \ub418\uc168\ub098\uc694?<\/strong> \uc2dc\uc2a4\ud15c\ubcc4 \uacfc\uc804\ub958 \uc7a5\uce58 \ud06c\uae30 \uc870\uc815, \uc11c\uc9c0 \ubcf4\ud638 \uc870\uc815 \ubd84\uc11d, \uc544\ud06c \uc624\ub958 \ubc0f \uc811\uc9c0 \uc624\ub958 \ubaa8\ub2c8\ud130\ub9c1 \uc0ac\uc591, \uc804\uccb4 \ubcf4\ud638 \uc2dc\uc2a4\ud15c \uc124\uacc4\uc5d0 \ub300\ud574\uc11c\ub294 \ubcf4\ud638 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ud300\uc5d0 \ubb38\uc758\ud558\uc138\uc694. \ucd08\uae30 \ubcf4\ud638 \uc694\uad6c \uc0ac\ud56d \ubd84\uc11d\ubd80\ud130 \uc2dc\uc6b4\uc804 \ud14c\uc2a4\ud2b8 \ubc0f \uac74\ucd95 \ub2f9\uad6d \uc2b9\uc778\uc744 \uc704\ud55c \ubb38\uc11c\ud654\uae4c\uc9c0 \ud134\ud0a4 \uc194\ub8e8\uc158\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n

\ub9c8\uc9c0\ub9c9 \uc5c5\ub370\uc774\ud2b8:<\/strong> 2026\ub144 2\uc6d4
\n\uc791\uc131\uc790:<\/strong> SYNODE \uae30\uc220\ud300
\n\uac80\ud1a0\uc790\uac00 \uac80\ud1a0\ud588\uc2b5\ub2c8\ub2e4:<\/strong> \uc804\uae30 \ubcf4\ud638 \uacf5\ud559\ubd80<\/p>\n

\n

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

\ud3ec\ucee4\uc2a4 \ud0a4\uc6cc\ub4dc:<\/strong> \ud0dc\uc591\uacc4 \ubcf4\ud638<\/p>\n

URL \uc2ac\ub7ec\uadf8:<\/strong> \ud0dc\uc591\uad11 \uc2dc\uc2a4\ud15c \ubcf4\ud638 \uacfc\uc804\ub958 \uacfc\uc804\uc555\uc774\ub780?<\/p>\n

\uba54\ud0c0 \uc81c\ubaa9:<\/strong> \ud0dc\uc591\uad11 \uc2dc\uc2a4\ud15c \ubcf4\ud638\ub780 \ubb34\uc5c7\uc778\uac00\uc694? \uacfc\uc804\ub958 \ubc0f \uacfc\uc804\uc555 \uae30\ubcf8 \uc0ac\ud56d<\/p>\n

\uba54\ud0c0 \uc124\uba85:<\/strong> \uacfc\uc804\ub958 \uc7a5\uce58(\ud4e8\uc988, \ucc28\ub2e8\uae30), \uacfc\uc804\uc555 \ubcf4\ud638(SPD), \uc544\ud06c \uc624\ub958 \uac10\uc9c0, \uc811\uc9c0 \uc624\ub958 \ubaa8\ub2c8\ud130\ub9c1 \ubc0f NEC 690 \uc694\uad6c \uc0ac\ud56d \ub4f1 \ud0dc\uc591\uad11 \uc2dc\uc2a4\ud15c \ubcf4\ud638\uac00 \ubb34\uc5c7\uc778\uc9c0 \uc54c\uc544\ubcf4\uc138\uc694.<\/p>\n

\n

\ucf58\ud150\uce20 \uacc4\uce35:<\/strong> \uacc4\uce35 3(\uc9c0\uc6d0 \ucf58\ud150\uce20)<\/p>\n

\uc804\ud658 \ud37c\ub110:<\/strong> \ud37c\ub110 \uc0c1\ub2e8(\uc778\uc9c0\ub3c4)<\/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

\n

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

\ud0dc\uc591\uad11 \uc2dc\uc2a4\ud15c\uc5d0 \ud544\uc694\ud55c \uc8fc\uc694 \ubcf4\ud638 \uc720\ud615\uc5d0\ub294 \uc5b4\ub5a4 \uac83\uc774 \uc788\ub098\uc694?<\/h3>\n
\n

\ud0dc\uc591\uad11 \uc2dc\uc2a4\ud15c\uc5d0\ub294 NEC 690\uc870\uc5d0 \ub530\ub77c 5\uac00\uc9c0 \ud575\uc2ec \ubcf4\ud638 \uc720\ud615\uc774 \ud544\uc694\ud569\ub2c8\ub2e4: \ud4e8\uc988 \ub610\ub294 DC \uc815\uaca9 \ucc28\ub2e8\uae30\ub97c \uc0ac\uc6a9\ud55c \uacfc\uc804\ub958 \ubcf4\ud638, \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\ub97c \uc0ac\uc6a9\ud55c \uacfc\uc804\uc555 \ubcf4\ud638, \uc804\uae30 \uc544\ud06c\ub97c \uac10\uc9c0\ud558\ub294 \uc544\ud06c \uc624\ub958 \ubcf4\ud638, \uc808\uc5f0 \uc800\ud56d\uc744 \ubaa8\ub2c8\ud130\ub9c1\ud558\ub294 \uc811\uc9c0 \uc624\ub958 \ubcf4\ud638, \ube44\uc0c1 \uc2dc \ub3c4\uccb4 \uc804\uc555\uc744 \ub0ae\ucd94\ub294 \uae09\uc18d \ucc28\ub2e8\uc774 \uadf8\uac83\uc785\ub2c8\ub2e4. \uac01\uac01 \ub2e4\ub978 \uace0\uc7a5 \ubaa8\ub4dc\ub97c \ud574\uacb0\ud569\ub2c8\ub2e4. \ub2e4\uc12f \uac00\uc9c0 \ub808\uc774\uc5b4\uac00 \ubaa8\ub450 \ud568\uaed8 \uc791\ub3d9\ud558\uc5ec \ud3ec\uad04\uc801\uc778 \ubcf4\ud638 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc5b4\ub290 \ud55c \uacc4\uce35\uc774 \ub204\ub77d\ub418\uba74 \uc2dc\uc2a4\ud15c\uc774 \ucde8\uc57d\ud574\uc9d1\ub2c8\ub2e4. \uc644\uc804\ud55c \uc8fc\uac70\uc6a9 \uc2dc\uc2a4\ud15c \ubcf4\ud638 \ube44\uc6a9\uc740 $1,500-2,500\uc73c\ub85c \ucd1d \ube44\uc6a9\uc758 8-12%\uc5d0 \ud574\ub2f9\ud558\uc9c0\ub9cc 85%\uc758 \uc804\uae30 \uace0\uc7a5\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/div>\n<\/div>\n

\n

\ud0dc\uc591\uad11 \uc5b4\ub808\uc774\uc758 \uacfc\uc804\ub958 \ubcf4\ud638 \uc7a5\uce58 \ud06c\uae30\ub294 \uc5b4\ub5bb\uac8c \uacb0\uc815\ud558\ub098\uc694?<\/h3>\n
\n

\uc2a4\ud2b8\ub9c1 \ub808\ubca8 \ud4e8\uc988 \ud06c\uae30 \uc870\uc815: \ucd5c\ub300 \ubc31\ud53c\ub4dc \uc804\ub958(\ubcd1\ub82c \uc2a4\ud2b8\ub9c1 \uc218 - 1) \u00d7 \uc2a4\ud2b8\ub9c1 Isc\ub97c \uacc4\uc0b0\ud55c \ub2e4\uc74c NEC 690.8(B)(1)\uc5d0 \ub530\ub77c 156%\uc758 \uc2a4\ud2b8\ub9c1 Isc\ub85c \ud4e8\uc988 \ud06c\uae30\ub97c \uc815\ud569\ub2c8\ub2e4. \uc608: \ubcd1\ub82c \uc2a4\ud2b8\ub9c1\uc774 6\uac1c\uc778 10A Isc \uc2a4\ud2b8\ub9c1\uc740 \ubc31\ud53c\ub4dc \uacc4\uc0b0 5 \u00d7 10A = 50A\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ubc31\ud53c\ub4dc\uac00 \ub3c4\uccb4 \uc6a9\ub7c9\uc744 \ucd08\uacfc\ud558\ub294 \uacbd\uc6b0 \ud4e8\uc988\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ud06c\uae30: 10A \u00d7 1.56 = 15.6A, 15A \ub610\ub294 20A gPV \ud4e8\uc988 \uc120\ud0dd. \uc5b4\ub808\uc774 \ub808\ubca8 \ucc28\ub2e8\uae30 \ud06c\uae30: \ucd5c\ub300 \ud68c\ub85c \uc804\ub958 125%(\ucd1d \uc2a4\ud2b8\ub9c1 \u00d7 Isc) \u00d7 1.25. DC \uc804\uc555 \uc815\uaca9 \ubc0f \uc778\ud130\ub7fd\ud2b8 \uc815\uaca9\uc774 \uc801\uc808\ud55c\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n<\/div>\n<\/div>\n

\n

\uc720\ud615 1, \uc720\ud615 2, \uc720\ud615 3 \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3>\n
\n

\uc720\ud615 1\uc740 \uc11c\ube44\uc2a4 \uc785\uad6c \ub610\ub294 \uc625\uc0c1\uc758 DC \ud648\ub7f0 \uc785\uad6c\uc5d0 \uc124\uce58\ub41c \uc9c1\uc811 \ubc88\uac1c(25-100kA)\ub97c \uc2dc\ubbac\ub808\uc774\uc158\ud558\ub294 10\/350\u03bcs \ud30c\ud615\uc73c\ub85c \ud14c\uc2a4\ud2b8\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc720\ud615 2\ub294 \uc720\ud615 1\uc758 \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \uc778\ubc84\ud130 \ub2e8\uc790\uc5d0 \uc124\uce58\ub41c \uc720\ub3c4 \uc11c\uc9c0(20~40kA)\uc5d0 \ub300\ud574 8\/20\u03bcs \ud14c\uc2a4\ud2b8\ub97c \uac70\ucce4\uc2b5\ub2c8\ub2e4. \uc720\ud615 3\uc740 \ubaa8\ub2c8\ud130\ub9c1 \ud68c\ub85c\uc5d0 \uc124\uce58\ub418\ub294 \uc7a5\ube44 \uc218\uc900 \ubcf4\ud638(5-10kA)\ub97c \uc704\ud574 \uc870\ud569 \ud30c\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ud0dc\uc591\uad11 \uc2dc\uc2a4\ud15c\uc5d0\ub294 \ucef4\ubc14\uc774\ub108\uc5d0 \uc720\ud615 1 DC SPD, \uc778\ubc84\ud130 DC\/AC \ub2e8\uc790\uc5d0 \uc720\ud615 2, \ubaa8\ub2c8\ud130\ub9c1\uc5d0 \uc720\ud615 3\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc870\uc815\uc744 \uc704\ud574\uc11c\ub294 \uc5c5\uc2a4\ud2b8\ub9bc\ubcf4\ub2e4 \ub0ae\uc740 \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc SPD \uc804\uc555 \ubcf4\ud638 \uc218\uc900\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \ube44\uc6a9: \uc720\ud615 1 $200-500, \uc720\ud615 2 $100-300, \uc720\ud615 3 $50-150.<\/p>\n<\/div>\n<\/div>\n

\n

\uc544\ud06c \uace0\uc7a5 \ud68c\ub85c \ucc28\ub2e8\uae30\ub294 \ud0dc\uc591\uad11 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc5b4\ub5bb\uac8c \uc791\ub3d9\ud558\ub098\uc694?<\/h3>\n
\n

AFCI\ub294 \ub9c8\uc774\ud06c\ub85c\ud504\ub85c\uc138\uc11c \uae30\ubc18 \ubd84\uc11d\uc744 \uc0ac\uc6a9\ud558\uc5ec DC \uc804\ub958 \ud30c\ud615\uc744 \uc9c0\uc18d\uc801\uc73c\ub85c \ubaa8\ub2c8\ud130\ub9c1\ud569\ub2c8\ub2e4. \uc804\uae30 \uc544\ud06c\ub294 \ubd88\uc548\uc815\ud55c \ud50c\ub77c\uc988\ub9c8\uc5d0\uc11c \uace0\uc8fc\ud30c \ub178\uc774\uc988(100kHz - 1MHz)\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. AFCI\ub294 \uace0\uc18d \ud478\ub9ac\uc5d0 \ubcc0\ud658\uc744 \uc218\ud589\ud558\uc5ec \ud2b9\uc9d5\uc801\uc778 \uc2dc\uadf8\ub2c8\ucc98\ub97c \uc2dd\ubcc4\ud569\ub2c8\ub2e4. \uc544\ud06c \uc2dc\uadf8\ub2c8\ucc98\uac00 0.5\ucd08 \uc774\uc0c1 \uc9c0\uc18d\ub418\uba74 AFCI\ub294 NEC 690.11\uc5d0 \ub530\ub77c 1\ucd08 \uc774\ub0b4\uc5d0 \ud68c\ub85c\ub97c \uac1c\ubc29\ud569\ub2c8\ub2e4. \ucd5c\uc2e0 AFCI\ub294 \ud328\ud134 \uc778\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc720\ud574\ud55c \uc544\ud06c\uc640 \uc591\uc131 \uace0\uc8fc\ud30c \ub178\uc774\uc988\ub97c \uad6c\ubd84\ud569\ub2c8\ub2e4. 2017\ub144 \uc774\ud6c4 \ub300\ubd80\ubd84\uc758 \uac00\uc815\uc6a9 \uc778\ubc84\ud130\uc5d0\ub294 \ud1b5\ud569 AFCI\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ud14c\uc2a4\ud2b8: \ub9e4\uc6d4 \ubc84\ud2bc\uc744 \ub20c\ub7ec \uac10\uc9c0 \uae30\ub2a5\uc744 \ud655\uc778\ud569\ub2c8\ub2e4. \ubaa8\ub4e0 \ud2b8\ub9bd\uc740 \uc218\uc815\uc774 \ud544\uc694\ud55c \uc2e4\uc81c \ubb38\uc81c\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n<\/div>\n<\/div>\n

\n

\ud0dc\uc591\uacc4\uc5d0\uc11c \uc811\uc9c0 \uacb0\ud568\uc758 \uc6d0\uc778\uc740 \ubb34\uc5c7\uc774\uba70 \uc5b4\ub5bb\uac8c \uac10\uc9c0\ud560 \uc218 \uc788\ub098\uc694?<\/h3>\n
\n

\uc811\uc9c0 \uacb0\ud568\uc740 \uc808\uc5f0 \uace0\uc7a5\uc73c\ub85c \uc778\ud574 DC \ub3c4\uccb4\uc5d0\uc11c \uc811\uc9c0\ub85c \uc804\ub958\uac00 \ub204\uc124\ub420 \ub54c \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc6d0\uc778: \uc790\uc678\uc120 \uc5f4\ud654(40%), \uc124\uce58\ub958\uc5d0 \uc758\ud55c \uc190\uc0c1(25%), \uc2b5\uae30 \uce68\ud22c(20%), \uc124\uce58 \uc190\uc0c1(15%). \uac10\uc9c0\ub294 \uc591\uadf9\uacfc \uc74c\uadf9 \ub3c4\uccb4 \uc0ac\uc774\uc758 \uc804\ub958 \ubcc0\uc555\uae30 \ubaa8\ub2c8\ud130\ub9c1 \uade0\ud615\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. GFPD\ub294 \ubd88\uade0\ud615\uc774 1\uc554\ud398\uc5b4\ub97c \ucd08\uacfc\ud558\uba74 \ud2b8\ub9ac\uac70\ub429\ub2c8\ub2e4(\uc808\uc5f0 \uc800\ud56d 600V \uc2dc\uc2a4\ud15c\uc5d0\uc11c <600\u03a9). \uac10\uc9c0 \uc2dc NEC 690.41\uc5d0 \ub530\ub77c 10\ucd08 \uc774\ub0b4\uc5d0 \uc778\ubc84\ud130\uac00 \uc885\ub8cc\ub429\ub2c8\ub2e4. \ud14c\uc2a4\ud2b8: \ub9e4\uc6d4 \ubc84\ud2bc \ud14c\uc2a4\ud2b8 \uad8c\uc7a5. \uc5ec\ud589 \ud6c4, \uba54\uace0\ubbf8\ud130 \ud310\ub3c5\uac12\uc73c\ub85c \uc808\uc5f0 \uc800\ud56d\uc744 \uce21\uc815\ud569\ub2c8\ub2e4. <500k\u03a9 \ubbf8\ub9cc\uc740 \uc7ac\uc124\uc815 \uc804\uc5d0 \uc218\ub9ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<\/div>\n<\/div>\n

\n

\uacfc\uc804\ub958 \ubcf4\ud638\uc640 \uc11c\uc9c0 \ubcf4\ud638\uac00 \ubaa8\ub450 \ud544\uc694\ud55c\uac00\uc694?<\/h3>\n
\n

\uc608 - \ub458 \ub2e4 \ud544\uc218\uc774\uba70 \uc11c\ub85c \ub2e4\ub978 \uc7a5\uc560 \ubaa8\ub4dc\ub97c \ud574\uacb0\ud569\ub2c8\ub2e4. \uacfc\uc804\ub958 \ubcf4\ud638\ub294 \uacfc\ub3c4\ud55c \uc5f0\uc18d \uc804\ub958(\ubc00\ub9ac\ucd08~\ucd08 \uc751\ub2f5)\ub85c \uc778\ud55c \ub3c4\uccb4 \uc190\uc0c1\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4. \uc11c\uc9c0 \ubcf4\ud638\ub294 \uc9e7\uc740 \uacfc\ub3c4 \uc804\uc555(\ub098\ub178\ucd08 \uc751\ub2f5)\uc73c\ub85c \uc778\ud55c \uc7a5\ube44 \uc190\uc0c1\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4. \uc5b4\ub290 \ucabd\ub3c4 \ub2e4\ub978 \ucabd\uc744 \ub300\uccb4\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \uc608\uc2dc: 50\ub9c8\uc774\ud06c\ub85c\ucd08 \ub3d9\uc548 \uc9c0\uc18d\ub418\ub294 10,000V\uc758 \ub099\ub8b0 \uc11c\uc9c0-\uacfc\uc804\ub958 \uc7a5\uce58\uac00 \ud2b8\ub9bd\ub418\uc9c0 \uc54a\uc74c(\ub108\ubb34 \uc9e7\uc74c), SPD\uac00 2,500V\ub85c \ud074\ub7a8\ud504\ud558\uc5ec \uc190\uc0c1\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4. \uc774\uc640 \ubcc4\ub3c4\ub85c 500A \ub2e8\ub77d - SPD\uac00 \ucc28\ub2e8\ub418\uc9c0 \uc54a\uace0 0.01\ucd08 \ub9cc\uc5d0 \ud4e8\uc988\uac00 \uc5f4\ub824 \ud654\uc7ac\ub97c \ubc29\uc9c0\ud569\ub2c8\ub2e4. \uc644\ubcbd\ud55c \ubcf4\ud638\ub97c \uc704\ud574\uc11c\ub294 \ub450 \uac00\uc9c0 \ubaa8\ub450 \ud544\uc694\ud558\uba70, \uac00\uc815\uc6a9 $800-1,500, \uc0c1\uc5c5\uc6a9 $2,000-5,000\uc758 \ube44\uc6a9\uc774 \ub4ed\ub2c8\ub2e4.<\/p>\n<\/div>\n<\/div>\n

\n

\ubcf4\ud638 \uc7a5\uce58\ub97c \uc5bc\ub9c8\ub098 \uc790\uc8fc \ud14c\uc2a4\ud2b8\ud558\uace0 \uad50\uccb4\ud574\uc57c \ud558\ub098\uc694?<\/h3>\n
\n

\uacfc\uc804\ub958 \uc7a5\uce58: \ub9e4\ub144 \uc721\uc548 \uac80\uc0ac, \uc811\ucd09 \uc800\ud56d \uce21\uc815, \uc791\ub3d9 \ud6c4 \ud4e8\uc988 \uad50\uccb4 \ub610\ub294 3~5\ub144 \uc8fc\uae30. \ubd84\uae30\ubcc4\ub85c \ucc28\ub2e8\uae30\ub97c \uc8fc\uae30\uc801\uc73c\ub85c \ud14c\uc2a4\ud2b8\ud558\uc138\uc694. \uc11c\uc9c0 \ubcf4\ud638: \ub9e4\uc6d4 \ud45c\uc2dc\uae30\ub97c \uc810\uac80\ud558\uace0, \ud070 \ub099\ub8b0 \ud6c4 \ub610\ub294 5~10\ub144 \uc8fc\uae30(3~5\ub144 \ub099\ub8b0 \ube48\ub3c4\uac00 \ub192\uc740 \uc9c0\uc5ed)\uc5d0 \ub530\ub77c \uad50\uccb4\ud558\uc138\uc694. \uc544\ud06c \uc624\ub958: \uccab\ud574\uc5d0\ub294 \ub9e4\uc6d4, \uadf8 \uc774\ud6c4\uc5d0\ub294 \ubd84\uae30\ubcc4\ub85c \ud14c\uc2a4\ud2b8 \ubc84\ud2bc\uc744 \ub204\ub985\ub2c8\ub2e4. \uc811\uc9c0 \uc624\ub958: \uccab\ud574\uc5d0\ub294 \ub9e4\uc6d4 \ubc84\ud2bc \ud14c\uc2a4\ud2b8, \uadf8 \uc774\ud6c4\uc5d0\ub294 \ubd84\uae30\ubcc4, \ub9e4\ub144 2m\u03a9 \uc774\uc0c1\uc758 \uc808\uc5f0\uc744 \ud655\uc778\ud558\ub294 \uba54\uace0\ubbf8\ud130 \uce21\uc815. \ubcf4\ud5d8\uc744 \uc704\ud574 \ubaa8\ub4e0 \ud14c\uc2a4\ud2b8\ub97c \ubb38\uc11c\ud654\ud558\uc138\uc694. \uc5f0\uac04 \uc8fc\uac70\uc6a9 \uc720\uc9c0\ubcf4\uc218 \uc608\uc0b0 $200-500, \uc0c1\uc5c5\uc6a9 $1,000-3,000.<\/p>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

Introduction Solar system protection encompasses the integrated suite of devices and strategies preventing electrical damage, fire hazards, and shock risks in photovoltaic installations. Unlike traditional AC electrical systems where protection focuses primarily on fault current interruption, solar DC systems require multi-layered protection addressing overcurrent (excessive current flow), overvoltage (lightning and switching surges), arc faults (electrical […]<\/p>\n","protected":false},"author":1,"featured_media":2790,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[40],"tags":[],"class_list":["post-2806","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pv-combiner-box"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/sinobreaker.com\/ko\/wp-json\/wp\/v2\/posts\/2806","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=2806"}],"version-history":[{"count":1,"href":"https:\/\/sinobreaker.com\/ko\/wp-json\/wp\/v2\/posts\/2806\/revisions"}],"predecessor-version":[{"id":2836,"href":"https:\/\/sinobreaker.com\/ko\/wp-json\/wp\/v2\/posts\/2806\/revisions\/2836"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sinobreaker.com\/ko\/wp-json\/wp\/v2\/media\/2790"}],"wp:attachment":[{"href":"https:\/\/sinobreaker.com\/ko\/wp-json\/wp\/v2\/media?parent=2806"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sinobreaker.com\/ko\/wp-json\/wp\/v2\/categories?post=2806"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sinobreaker.com\/ko\/wp-json\/wp\/v2\/tags?post=2806"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}