{"id":2787,"date":"2026-01-26T09:00:00","date_gmt":"2026-01-26T09:00:00","guid":{"rendered":"https:\/\/sinobreaker.com\/?p=2787"},"modified":"2026-01-26T09:00:00","modified_gmt":"2026-01-26T09:00:00","slug":"pv-surge-protection-system-design-lightning-risk","status":"publish","type":"post","link":"https:\/\/sinobreaker.com\/ko\/pv-surge-protection-system-design-lightning-risk\/","title":{"rendered":"PV \uc11c\uc9c0 \ubcf4\ud638 \uc2dc\uc2a4\ud15c \uc124\uacc4: \ubc88\uac1c \uc704\ud5d8 \ud3c9\uac00 2025"},"content":{"rendered":"

\uc18c\uac1c<\/h2>\n

\ud0dc\uc591\uad11 \uc11c\uc9c0 \ubcf4\ud638 \uc2dc\uc2a4\ud15c \uc124\uacc4\ub294 \ubc88\uac1c \ubb3c\ub9ac\ud559, \uc704\ud5d8 \ud3c9\uac00 \ubc29\ubc95\ub860, \uc870\uc815\ub41c \uc7a5\uce58 \uc120\ud0dd\uc744 \uacb0\ud569\ud558\uc5ec \uc77c\uc2dc\uc801\uc778 \uacfc\uc804\uc555\uc73c\ub85c\ubd80\ud130 \ud0dc\uc591\uad11 \uc124\ube44\ub97c \ubcf4\ud638\ud558\ub294 \uc911\uc694\ud55c \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ubd84\uc57c\uc785\ub2c8\ub2e4. \ud0dc\uc591\uad11 \uc5b4\ub808\uc774\uc758 \uaddc\ubaa8\uac00 \ud655\uc7a5\ub418\uace0 \ub354 \ub192\uc740 \uc804\uc555\uc5d0 \ub3c4\ub2ec\ud568\uc5d0 \ub530\ub77c \uc7a5\ube44 \uc218\uba85\uc744 \ubcf4\uc7a5\ud558\uace0 \uce58\uba85\uc801\uc778 \uace0\uc7a5\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uccb4\uacc4\uc801\uc778 \ubcf4\ud638 \uc124\uacc4\uac00 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n

\ud604\ub300 DC SPD \ubcf4\ud638 \uc2dc\uc2a4\ud15c<\/a> \uc720\ud615 1, \uc720\ud615 2 \ubc0f \uc720\ud615 3 \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\ub97c \uc870\uc815\ub41c \uad6c\uc131\uc73c\ub85c \ud1b5\ud569\ud558\ub294 \ub2e4\uacc4\uce35 \uc811\uadfc \ubc29\uc2dd\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc124\uacc4 \ud504\ub85c\uc138\uc2a4\uc5d0\ub294 IEC 62305-2\uc5d0 \ub530\ub978 \uc815\ub7c9\uc801 \ub099\ub8b0 \uc704\ud5d8 \ud3c9\uac00, \uc2dc\uc2a4\ud15c \ud1a0\ud3f4\ub85c\uc9c0\uc5d0 \uae30\ubc18\ud55c \uc804\ub7b5\uc801 SPD \ubc30\uce58, \ud6a8\uacfc\uc801\uc778 \uc5d0\ub108\uc9c0 \uc18c\uc0b0\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud55c \uc801\uc808\ud55c \uc811\uc9c0 \uc544\ud0a4\ud14d\ucc98\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n

\uc774 \uae30\uc220 \uac00\uc774\ub4dc\ub294 \ub099\ub8b0 \uc704\ud5d8 \ud3c9\uac00 \uacc4\uc0b0, \uc5d0\ub108\uc9c0 \uc870\uc815 \uc6d0\uce59, \uc2a4\ud2b8\ub9c1 \uc778\ubc84\ud130 \ubc0f \uc911\uc559 \uc778\ubc84\ud130 \uc544\ud0a4\ud14d\ucc98 \ubaa8\ub450\uc5d0 \ub300\ud55c \uad6c\ud604 \uc804\ub7b5\uc744 \ub2e4\ub8e8\ub294 PV \uc11c\uc9c0 \ubcf4\ud638 \uc2dc\uc2a4\ud15c \uc124\uacc4\ub97c \uc704\ud55c \ud3ec\uad04\uc801\uc778 \ubc29\ubc95\ub860\uc744 \uc81c\uc2dc\ud569\ub2c8\ub2e4. \uc608\uc0c1\ub418\ub294 \uc11c\uc9c0 \uc774\ubca4\ud2b8\ub97c \uacc4\uc0b0\ud558\uace0, \uc801\uc808\ud55c \ubcf4\ud638 \uc218\uc900\uc744 \uc120\ud0dd\ud558\uace0, \uc124\uce58 \uc218\uba85 \uc8fc\uae30 \ub3d9\uc548 \ubcf4\ud638 \ubb34\uacb0\uc131\uc744 \uc720\uc9c0\ud558\ub294 \ud398\uc77c \uc138\uc774\ud504 \uc2dc\uc2a4\ud15c\uc744 \uc124\uacc4\ud558\ub294 \ubc29\ubc95\uc744 \ubc30\uc6b8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\n

\ud83d\udca1 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc7ac\ub2e8<\/strong>: \ud6a8\uacfc\uc801\uc778 \ud0dc\uc591\uad11 \uc11c\uc9c0 \ubcf4\ud638\ub97c \uc704\ud574\uc11c\ub294 \ub099\ub8b0 \ubcf4\ud638\uac00 \ub2e8\uc21c\ud788 \uac1c\ubcc4 SPD \uc7a5\uce58\ub97c \uc124\uce58\ud558\ub294 \uac83\uc774 \uc544\ub2c8\ub77c \uc2dc\uc2a4\ud15c \uc218\uc900\uc758 \uacfc\uc81c\uc774\uba70, \ubcf4\ud638 \uacc4\uce35 \uac04\uc758 \uc870\uc815\uc774 \uc804\uccb4 \uc2dc\uc2a4\ud15c \uc0dd\uc874 \uac00\ub2a5\uc131\uc744 \uacb0\uc815\ud55c\ub2e4\ub294 \uc810\uc744 \uc774\ud574\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n

IEC 62305-2 \ubc88\uac1c \uc704\ud5d8 \ud3c9\uac00 \ud504\ub808\uc784\uc6cc\ud06c<\/h2>\n

IEC 62305-2\ub294 \ud0dc\uc591\uad11 \uc124\ube44\uc758 \uc5f0\uac04 \ub099\ub8b0 \uad00\ub828 \uc190\uc0c1 \uac00\ub2a5\uc131\uc744 \uacc4\uc0b0\ud558\uae30 \uc704\ud55c \uc815\ub7c9\uc801 \ud504\ub808\uc784\uc6cc\ud06c\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774 \uc704\ud5d8 \ud3c9\uac00\ub294 \ub099\ub8b0 \ubcf4\ud638 \uc2dc\uc2a4\ud15c\uc5d0 \ub300\ud55c \uacbd\uc81c\uc801 \ud0c0\ub2f9\uc131\uc744 \uacb0\uc815\ud558\uace0 SPD \uc120\ud0dd\uc744 \uc548\ub0b4\ud569\ub2c8\ub2e4.<\/p>\n

\uc704\ud5d8 \uacc4\uc0b0 \ubc29\ubc95\ub860<\/h3>\n<\/p>\n

\ucd1d \uc704\ud5d8 R<\/strong> \ub294 \uc704\ud5d8 \uc694\uc18c\uc758 \ud569\uacfc \uac19\uc2b5\ub2c8\ub2e4: R = R_A + R_B + R_C + R_M<\/strong>, \uc5ec\uae30\uc11c R_A\ub294 \uc778\uba85 \uc190\uc2e4, R_B\ub294 \uc11c\ube44\uc2a4 \uc190\uc2e4, R_M\uc740 \uacbd\uc81c\uc801 \uc190\uc2e4\uacfc \uad00\ub828\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uac01 \uad6c\uc131 \uc694\uc18c\ub294 \ub2e4\uc74c\uc5d0\uc11c \uacc4\uc0b0\ub429\ub2c8\ub2e4: R = N \u00d7 P \u00d7 L<\/strong>, \uc5ec\uae30\uc11c N\uc740 \uc5f0\uac04 \uc704\ud5d8 \uc0ac\uac74, P\ub294 \ud53c\ud574 \ubc1c\uc0dd \ud655\ub960, L\uc740 \uadf8\ub85c \uc778\ud55c \uc190\uc2e4\uc785\ub2c8\ub2e4.<\/p>\n

\uc608\uc0c1\ub418\ub294 \uc9c1\uc811 \uacf5\uaca9 \ud69f\uc218 N_D<\/strong> \ud0dc\uc591\uad11 \ubc1c\uc804 \uc124\ube44\uc758 \ub3d9\ub4f1\ud55c \uc218\uc9d1 \uba74\uc801\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. A_D<\/strong>: N_D = N_g \u00d7 A_D \u00d7 C_D \u00d7 10^-6<\/strong> \ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. N_g\ub294 \uc9c0\uc5ed \uc544\uc774\uc18c\uc138\ub77c\ubbf9 \uc9c0\ub3c4\uc758 \uc9c0\uc0c1 \ud50c\ub798\uc2dc \ubc00\ub3c4, A_D\ub294 \uc218\uc9d1 \uba74\uc801(m\u00b2), C_D\ub294 \uc704\uce58 \uacc4\uc218(\uc8fc\ubcc0 \ud658\uacbd \uae30\uc900 0.25-2.0)\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n

\uc218\uac70 \uba74\uc801 \uacc4\uc0b0<\/h3>\n<\/p>\n

\uc9c1\uc0ac\uac01\ud615 \ud0dc\uc591\uad11 \uc5b4\ub808\uc774\uc758 \uacbd\uc6b0: A_D = L \u00d7 W + 2 \u00d7 H \u00d7 (L + W) + \u03c0 \u00d7 H\u00b2<\/strong>, \uc5ec\uae30\uc11c L\uacfc W\ub294 \uc5b4\ub808\uc774 \uce58\uc218\uc774\uace0 H\ub294 \uc9c0\uba74 \uc704 \ub192\uc774\uc785\ub2c8\ub2e4. 2m \ub192\uc774\uc758 100m \u00d7 50m \uc5b4\ub808\uc774\ub294 A_D = 5,613m\u00b2\uc785\ub2c8\ub2e4. N_g = 4\uc2a4\ud2b8\ub77c\uc774\ud06c\/km\u00b2\/\ub144: N_D = 0.022\ud68c\/\ub144(45\ub144\ub9c8\ub2e4 1\ud68c).<\/p>\n

\ubbf8\uc2a4\uac00 \ubc1c\uc0dd\ud560 \ubed4\ud55c \uc2a4\ud2b8\ub77c\uc774\ud06c\ub294 \uc11c\uc9c0\ub97c \uc720\ubc1c\ud569\ub2c8\ub2e4. \uc5f0\uac04 \uac74\uc218 N_M<\/strong> \ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc9c1\uc811 \ud0c0\uaca9\ubcf4\ub2e4 10~100\ubc30 \uc774\uc0c1 \ub192\uc2b5\ub2c8\ub2e4. \ubc18\uacbd 500m\uc758 \uacbd\uc6b0: A_M = \u03c0 \u00d7 500\u00b2 = 785,000m\u00b2<\/strong>, \ub97c \uc0ac\uc6a9\ud558\uc5ec SPD \ubcf4\ud638\uac00 \ud544\uc694\ud55c \uc5f0\uac04 N_M = 3.14\uc758 \uadfc\uac70\ub9ac \ud30c\uc5c5\uc744 \uc608\uce21\ud569\ub2c8\ub2e4.<\/p>\n

\uacbd\uc81c\uc801 \uc815\ub2f9\uc131<\/h3>\n<\/p>\n

\uacc4\uc0b0\ub41c R > R_T(\uacbd\uc81c\uc801 \uc190\uc2e4\uc5d0 \ub300\ud55c \ud5c8\uc6a9 \uac00\ub2a5\ud55c \uc704\ud5d8 \uc784\uacc4\uac12 10^-3)\uc778 \uacbd\uc6b0 \ub099\ub8b0 \ubcf4\ud638 \uc870\uce58\uac00 \uacbd\uc81c\uc801\uc73c\ub85c \uc815\ub2f9\ud654\ub429\ub2c8\ub2e4. \ub2e4\uc74c\uacfc \uac19\uc740 \uacbd\uc6b0 \uc870\uc815\ub41c \ud0dc\uc591\uad11 \uc11c\uc9c0 \ubcf4\ud638\ub97c \uc124\uce58\ud558\uc138\uc694: N_g \u00d7 (A_D + A_M) \u00d7 P \u00d7 L > R_T<\/strong>. \uc774\ub7ec\ud55c \uc815\ub7c9\uc801 \uc811\uadfc \ubc29\uc2dd\uc740 \uc8fc\uad00\uc801\uc778 \ubcf4\ud638 \uacb0\uc815\uc744 \uc704\ud5d8 \uae30\ubc18 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1\uc73c\ub85c \ub300\uccb4\ud569\ub2c8\ub2e4.<\/p>\n

\n

\ud83c\udfaf \uc804\ubb38\uac00 \ud301<\/strong>: \ubcf4\ud5d8 \uccad\uad6c \ubc0f \ubcf4\uc99d \uc720\ud6a8\uc131 \uac80\uc0ac\ub97c \uc704\ud55c IEC 62305-2 \uc704\ud5d8 \ud3c9\uac00 \uacc4\uc0b0\uc744 \ubb38\uc11c\ud654\ud558\uc5ec \ubcf4\ud638 \uc2dc\uc2a4\ud15c\uc774 \ud604\uc7a5 \uc870\uac74\uc5d0 \ub9de\uac8c \uc801\uc808\ud788 \uc9c0\uc815\ub418\uc5c8\uc74c\uc744 \uc815\ub7c9\uc801\uc73c\ub85c \uc785\uc99d\ud569\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n

\ub2e4\uacc4\uce35 \ubcf4\ud638 \uc544\ud0a4\ud14d\ucc98<\/h2>\n

\ud6a8\uacfc\uc801\uc778 \ud0dc\uc591\uad11 \uc11c\uc9c0 \ubcf4\ud638\ub294 \uc870\uc815\ub41c 3\uacc4\uce35 \ubc29\uc5b4 \uc804\ub7b5\uc744 \uad6c\ud604\ud558\uba70, \uac01 \uacc4\uce35\uc740 \ub2e4\uc591\ud55c \uc11c\uc9c0 \uc5d0\ub108\uc9c0 \uc218\uc900\uacfc \uc2dc\uc2a4\ud15c \uc704\uce58\uc5d0 \ucd5c\uc801\ud654\ub41c \ud2b9\uc815 \ubcf4\ud638 \ud2b9\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n

\uc720\ud615 1 SPD: 1\ucc28 \ub099\ub8b0 \uc804\ub958 \ud53c\ub8b0\uae30<\/h3>\n<\/p>\n

\uc720\ud615 1 SPD\ub294 \uc678\ubd80 \ub099\ub8b0 \ubcf4\ud638 \uc2dc\uc2a4\ud15c \ub3c4\uccb4\uac00 \ub0b4\ubd80 PV \uc2dc\uc2a4\ud15c \ubc30\uc120\uc5d0 \uc5f0\uacb0\ub418\ub294 \uc8fc \uc804\uae30 \uc778\ud130\ud398\uc774\uc2a4\uc5d0 \uc124\uce58\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc7a5\uce58\ub294 10\/350\u03bcs \ud30c\ud615 \ud2b9\uc131\uc744 \uac00\uc9c4 \uc9c1\uc811 \ub099\ub8b0 \uc804\ub958\ub97c \uacac\ub38c\uc57c \ud569\ub2c8\ub2e4. \uae30\uc220 \uc0ac\uc591\uc5d0\ub294 12.5-25kA\uc758 \uc784\ud384\uc2a4 \uc804\ub958(I_imp), 100kA(8\/20\u03bcs)\uc758 \ubc29\uc804 \uc6a9\ub7c9, 1000V DC \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0 \uc804\uc555 \ubcf4\ud638 \uc218\uc900(Up) \u22644.0kV\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n

\uc720\ud615 1 \ub514\ubc14\uc774\uc2a4\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc2a4\ud30c\ud06c \uac2d \uae30\uc220\uc744 \uc0ac\uc6a9\ud558\uc5ec \uae08\uc18d \uc0b0\ud654\ubb3c \ubc30\ub9ac\uc2a4\ud130\uc5d0 \ube44\ud574 \ub192\uc740 \uc11c\uc9c0 \uc804\ub958 \uc6a9\ub7c9\uc744 \uc81c\uacf5\ud558\uc9c0\ub9cc \uc751\ub2f5 \uc2dc\uac04\uc740 \ub290\ub9bd\ub2c8\ub2e4. \uc124\uce58 \uc2dc LPS \ub2e4\uc6b4 \ucee8\ub355\ud130\uac00 \uad6c\uc870\ubb3c\uc5d0 \ub4e4\uc5b4\uac00\ub294 \uacf3\uc5d0 \ubcf8\ub529\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n

\uc720\ud615 2 SPD: \uc7a5\ube44 \ubcf4\ud638<\/h3>\n<\/p>\n

\uc720\ud615 2 SPD\ub294 \ub300\ubd80\ubd84\uc758 PV \uc124\uce58\uc5d0\uc11c \uae30\ubcf8 \ubcf4\ud638 \uacc4\uce35\uc744 \uc81c\uacf5\ud558\uba70 \ub2e4\uc74c \uc704\uce58\uc5d0 \uc124\uce58\ub429\ub2c8\ub2e4. DC \ud68c\ub85c \ucc28\ub2e8\uae30<\/a> \ud328\ub110 \ubc0f \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4 \ucd9c\ub825. \uc774\ub7ec\ud55c \uc7a5\uce58\ub294 20~40kA(8\/20\u03bcs)\uc758 \ubc29\uc804 \uc6a9\ub7c9, \u22642.5kV\uc758 \uc804\uc555 \ubcf4\ud638 \uc218\uc900 \ubc0f \uc751\ub2f5 \uc2dc\uac04\uc73c\ub85c \uc778\uadfc \ub099\ub8b0\ub85c \uc778\ud55c \uc720\ub3c4 \uc11c\uc9c0\ub85c\ubd80\ud130 \ubcf4\ud638\ud569\ub2c8\ub2e4. <25ns.<\/p>\n

\uc720\ud615 2 SPD\ub294 MOV \uae30\uc220\uc744 \uc0ac\uc6a9\ud558\uc5ec \ube60\ub978 \uc751\ub2f5\uacfc \ub0ae\uc740 \uc804\uc555 \ubcf4\ud638 \uc218\uc900\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc5d0\ub108\uc9c0 \uc870\uc815\uc744 \uc704\ud574\uc11c\ub294 \uc720\ud615 2\uc640 \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \uc720\ud615 3 \uc7a5\uce58 \uc0ac\uc774\uc5d0 \uc801\uc808\ud55c \uc774\uaca9 \uac70\ub9ac(\ucd5c\uc18c 10m \ub610\ub294 30\u03bcH \uc778\ub355\ud134\uc2a4)\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n

\uc720\ud615 3 SPD: \ubbf8\uc138 \ubcf4\ud638<\/h3>\n<\/p>\n

\uc720\ud615 3 SPD\ub294 \ucd5c\ub300 \ubc29\uc804 \uc6a9\ub7c9 5kA, \uc804\uc555 \ubcf4\ud638 \uc218\uc900 \u22641.5kV \ubc0f \uc751\ub2f5 \uc2dc\uac04\uc73c\ub85c \ubbfc\uac10\ud55c \uc804\uc790 \uc7a5\ube44 \uc785\ub825\uc5d0 \uc124\uce58\ud569\ub2c8\ub2e4. <10ns. \uc774\ub7ec\ud55c \uc7a5\uce58\ub294 \ub0ae\uc740 \ud074\ub7a8\ud551 \uc804\uc555\uc5d0 \ucd5c\uc801\ud654\ub41c \uc5b5\uc81c \ub2e4\uc774\uc624\ub4dc \ub610\ub294 \uc18d\ud6a8\uc131 MOV\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc720\ud615 2 \ubcf4\ud638\ub97c \ud1b5\uacfc\ud558\ub294 \uc794\ub958 \uc11c\uc9c0 \uc5d0\ub108\uc9c0\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n\n\n\n\n\n\n
\ub9e4\uac1c\ubcc0\uc218<\/th>\n\uc720\ud615 1 SPD<\/th>\n\uc720\ud615 2 SPD<\/th>\n\uc720\ud615 3 SPD<\/th>\n<\/tr>\n<\/thead>\n
\uc8fc\uc694 \uae30\ub2a5<\/strong><\/td>\n\uc9c1\uc811 \ub099\ub8b0 \uc804\ub958<\/td>\n\uc720\ub3c4 \uc11c\uc9c0 \ubcf4\ud638<\/td>\n\ubbf8\uc138 \ubcf4\ud638<\/td>\n<\/tr>\n
\ubc29\uc804 \uc6a9\ub7c9<\/strong><\/td>\n100kA(8\/20 \u03bcs)<\/td>\n20-40kA(8\/20 \u03bcs)<\/td>\n5kA(8\/20 \u03bcs)<\/td>\n<\/tr>\n
\uc804\uc555 \ubcf4\ud638 \uc218\uc900<\/strong><\/td>\n\u22644.0kV<\/td>\n\u22642.5kV<\/td>\n\u22641.5kV<\/td>\n<\/tr>\n
\uc751\ub2f5 \uc2dc\uac04<\/strong><\/td>\n<100ns<\/td>\n<25ns<\/td>\n<10ns<\/td>\n<\/tr>\n
\uc124\uce58 \uc704\uce58<\/strong><\/td>\nLPS \uc9c4\uc785\uc810<\/td>\n\uc778\ubc84\ud130\/\ucf64\ube44\ub108<\/td>\n\ubbfc\uac10\ud55c \uc804\uc790 \uc81c\ud488<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\uc5d0\ub108\uc9c0 \uc870\uc815 \uc6d0\uce59<\/h3>\n

\uc801\uc808\ud55c \uc870\uc815\uc740 \uc804\uc555 \uc120\ud0dd\uc131(\uac01 \uc5c5\uc2a4\ud2b8\ub9bc SPD\ub294 \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \uc7a5\uce58\ubcf4\ub2e4 \ubcf4\ud638 \uc804\uc555\uc774 \ub192\uc544\uc57c \ud568), \uc9c1\ub82c \uc784\ud53c\ub358\uc2a4(\ub808\uc774\uc5b4 \uac04 \ucd5c\uc18c 10m \ucf00\uc774\ube14) \ubc0f \ubcd1\ub82c SPD \uc7a5\uce58\ub97c \ud1b5\ud55c \uc5d0\ub108\uc9c0 \uacf5\uc720\uc5d0 \uc758\uc874\ud569\ub2c8\ub2e4. \ud655\uc778\ud569\ub2c8\ub2e4: E_Type2_letthrough < E_Type3_max<\/strong> \ub97c \uc0ac\uc6a9\ud558\uc5ec \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \ub514\ubc14\uc774\uc2a4 \uacfc\ubd80\ud558\ub97c \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n

\"PV<\/figure>\n

\uc2dc\uc2a4\ud15c \uc720\ud615\ubcc4 SPD \ubc30\uce58 \uc804\ub7b5<\/h2>\n

\uc2a4\ud2b8\ub9c1 \uc778\ubc84\ud130 \ubcf4\ud638<\/h3>\n

\uc2a4\ud2b8\ub9c1 \uc778\ubc84\ud130 \uc2dc\uc2a4\ud15c\uc740 \uc9c0\uc5ed\ubcc4 \ub099\ub8b0 \ubc00\ub3c4\uc5d0 \ub530\ub77c \ubc29\uc804 \uc6a9\ub7c9\uc774 20-40kA\uc778 \uac01 \uc778\ubc84\ud130 DC \uc785\ub825\uc5d0\uc11c \uc720\ud615 2 SPD \ubcf4\ud638\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ucef4\ubc14\uc774\ub108\uc758 \uc2a4\ud2b8\ub9c1 \ub808\ubca8 \ubcf4\ud638\ub294 \ube44\uc6a9\uc774 \ucd94\uac00\ub418\uc9c0\ub9cc \uc11c\uc9c0\uac00 \uae34 DC \ud53c\ub354 \ucf00\uc774\ube14\uc744 \ud1b5\ud574 \uc804\ud30c\ub418\uae30 \uc804\uc5d0 \ucc28\ub2e8\ud569\ub2c8\ub2e4.<\/p>\n

\uc778\ubc84\ud130 \ucd9c\ub825\uc758 AC \uce21 SPD\ub294 \ubaa8\ub4dc\ub2f9 \ucd5c\uc18c 20kA \ubc29\uc804\uc73c\ub85c \uc720\ud2f8\ub9ac\ud2f0\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uacfc\ub3c4 \uc804\ub958\ub85c\ubd80\ud130 \ubcf4\ud638\ud569\ub2c8\ub2e4. SPD \uc804\uc555 \ubcf4\ud638 \ub808\ubca8\uc740 \uc778\ubc84\ud130\uc758 \ud06c\ub85c\ubc14 \ud68c\ub85c \uc804\uc5d0 \ud65c\uc131\ud654\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4: Up_SPD < 0.9 \u00d7 V_crowbar<\/strong>.<\/p>\n

\uc911\uc559 \uc778\ubc84\ud130 \ubcf4\ud638<\/h3>\n<\/p>\n

\uc911\uc559 \uc778\ubc84\ud130\ub294 DC \uacb0\ud569\uae30 \uc815\uaca9 \ubc29\uc804 \uc6a9\ub7c9 60-80kA\uc5d0\uc11c \uc720\ud615 1 + 2 \ud558\uc774\ube0c\ub9ac\ub4dc SPD\ub85c \ud5a5\uc0c1\ub41c \ubcf4\ud638 \uae30\ub2a5\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \ubcd1\ub82c SPD \ubaa8\ub4c8\uc740 N+1 \ub9ac\ub358\ub358\uc2dc\ub97c \uc0dd\uc131\ud558\uace0 \ubc29\uc804 \uc804\ub958\ub97c \ubd84\ubc30\ud569\ub2c8\ub2e4. \uc0c1\ud0dc \uc811\uc810\uc744 \ud1b5\ud55c \uc6d0\uaca9 \ubaa8\ub2c8\ud130\ub9c1\uc73c\ub85c \ub300\uaddc\ubaa8 \uc124\uce58\uc5d0 \ub300\ud55c SCADA \ud1b5\ud569\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n

\uc804\uc555 \ubcf4\ud638 \ub808\ubca8 \uc870\uc815\uc774 \ubcf4\uc7a5\ub429\ub2c8\ub2e4: \uc5c5_\uc720\ud6151 > \uc5c5_\uc720\ud6152 > \uc5c5_\uc7a5\ube44_\ub4f1\uae09<\/strong> 15-20% \ub2e8\uacc4\ub85c. 1500V \uc2dc\uc2a4\ud15c\uc6a9: \uc720\ud615 1 \u22645.0kV, \uc720\ud615 2 \u22643.5kV, \uc7a5\ube44\ub294 \ucd5c\uc18c 1,800V\ub97c \uacac\ub38c\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

\n

\u26a0\ufe0f \uacbd\uace0<\/strong>: \uc6d0\uaca9 \ubaa8\ub2c8\ud130\ub9c1\uc774 \uc5c6\ub294 \uc911\uc559 \uc778\ubc84\ud130 SPD\ub294 \uace0\uac00\uc758 \uc7a5\ube44\ub97c \uac10\uc9c0\ub418\uc9c0 \uc54a\uc740 \uace0\uc7a5\uc5d0 \ucde8\uc57d\ud558\uac8c \ub9cc\ub4ed\ub2c8\ub2e4. \ubd84\uae30\ubcc4 \ud14c\uc2a4\ud2b8\ub97c \uad6c\ud604\ud558\uac70\ub098 100kW \uc774\uc0c1\uc758 \uc2dc\uc2a4\ud15c\uc5d0 \ub300\ud574 \uc0c1\ud0dc \ubaa8\ub2c8\ud130\ub9c1\uc744 \uc124\uce58\ud569\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n

\"\ud0dc\uc591<\/figure>\n

\uc811\uc9c0 \uc2dc\uc2a4\ud15c \uc124\uacc4<\/h2>\n

\uc5b4\ub808\uc774 \ud504\ub808\uc784 \uc811\uc9c0<\/h3>\n

PV \uc5b4\ub808\uc774 \ub9c8\uc6b4\ud305 \uad6c\uc870\uc5d0\ub294 8\ud53c\ud2b8(2.4m) \uae4a\uc774, \ucd5c\uc18c 16\ud53c\ud2b8 \uac04\uaca9\uc73c\ub85c \uad6c\ub3d9 \uc811\uc9c0\ubd09\uc774 \uc788\uace0 4\/0 AWG \ubca0\uc5b4 \uad6c\ub9ac \ub3c4\uccb4\ub97c \ud1b5\ud574 \uc0c1\ud638 \uc5f0\uacb0\ub41c \uc804\uc6a9 \uc811\uc9c0 \ub124\ud2b8\uc6cc\ud06c\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ubaa9\ud45c \uc811\uc9c0 \uc800\ud56d: <5\u03a9\uc740 \uac00\uc7a5 \uba3c \uc5b4\ub808\uc774 \uc139\uc158\uc5d0\uc11c \uce21\uc815\ud55c \uac12\uc785\ub2c8\ub2e4.<\/p>\n

\ubaa8\ub4e0 \uc811\uc9c0\ubd09\uc740 \uba54\uc2dc \ub610\ub294 \ub9c1 \uad6c\uc131\uc73c\ub85c \uc0c1\ud638 \uc5f0\uacb0\ud558\uc5ec \uc11c\uc9c0 \uc18c\uba78\uc744 \uc704\ud55c \uc5ec\ub7ec \ubcd1\ub82c \uacbd\ub85c\ub97c \ub9cc\ub4e4\uc5b4\uc57c \ud569\ub2c8\ub2e4. \ubc29\uc0ac\ud615 \uc811\uc9c0\ub294 \uc11c\uc9c0 \uc5d0\ub108\uc9c0\ub97c \uc9d1\uc911\uc2dc\ucf1c \uacfc\ub3c4\ud55c \uc804\uc555 \uc0c1\uc2b9\uc744 \uc720\ubc1c\ud569\ub2c8\ub2e4.<\/p>\n

SPD \uc811\uc9c0 \uc5f0\uacb0<\/h3>\n<\/p>\n

\ub9ac\ub4dc \uc778\ub355\ud134\uc2a4\ub97c \ud1b5\ud55c \uc11c\uc9c0 \uc804\ub958\ub294 \uc804\uc555 \uac15\ud558\ub97c \uc0dd\uc131\ud558\ubbc0\ub85c SPD \uc811\uc9c0 \ub9ac\ub4dc\ub294 \uc778\ub355\ud134\uc2a4\ub97c \ucd5c\uc18c\ud654\ud574\uc57c \ud569\ub2c8\ub2e4: V = L \u00d7 (di\/dt)<\/strong>. 1\u03bcH \uc778\ub355\ud134\uc2a4\ub3c4 10kA\/\u03bcs \uc804\ub958 \uc0c1\uc2b9\ub960\ub85c 10kV\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/p>\n

\ubaa8\ubc94 \uc0ac\ub840: \ucd1d \uae38\uc774 \ucd5c\uc18c 30cm(12\uc778\uce58), \ucd5c\uc18c 10AWG(\uc720\ud615 1\uc758 \uacbd\uc6b0 6AWG), \ub8e8\ud504 \uc5c6\ub294 \uc9c1\uc120 \ub77c\uc6b0\ud305, \uac00\ub2a5\ud55c \uacbd\uc6b0 \uc9c1\uc811 \ubc84\uc2a4\ubc14 \uc7a5\ucc29. \uac01 SPD \ub2e8\uc790\uc5d0\uc11c \uc8fc \uae30\uc900\uac12\uae4c\uc9c0\uc758 \uc811\uc9c0 \uc5f0\uacb0 \uc800\ud56d \uce21\uc815\uac12\uc740 0.1\u03a9\uc744 \ucd08\uacfc\ud558\uc9c0 \uc54a\uc544\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

\ub4f1\uc804\uc704 \ubcf8\ub529 \uc601\uc5ed<\/h3>\n<\/p>\n

\ub300\uaddc\ubaa8 \ubd84\uc0b0 \uc5b4\ub808\uc774\uc5d0\ub294 \ucd5c\ub300 30~50m\uc758 \ub4f1\uc804\uc704 \ubcf8\ub529 \uc601\uc5ed\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uac01 \uad6c\uc5ed\uc5d0\ub294 \uad6c\uc5ed \uac04\uc5d0 10AWG \ubcf8\ub529 \ucee8\ub355\ud130\uac00 \uc788\ub294 \uace0\uac15\ub3c4 \uad6c\ub9ac \uc811\uc9c0 \ubc84\uc2a4(\ucd5c\uc18c 100mm\u00b2 \ub2e8\uba74\uc801)\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc774 \uad6c\uc131\uc740 \uc11c\uc9c0 \ubc1c\uc0dd \uc2dc \uad6c\uc5ed \uac04 \uc804\uc704\ub97c \uade0\ub4f1\ud654\ud569\ub2c8\ub2e4.<\/p>\n

\uc811\uc9c0 \ub8e8\ud504 \ubc29\uc9c0<\/h3>\n<\/p>\n

\ubaa8\ub4e0 SPD \ubc0f \uc7a5\ube44\uac00 \uc911\uc559 \uc811\uc9c0 \ubc84\uc2a4\uc5d0 \uc5f0\uacb0\ub418\ub294 \ub2e8\uc77c \uc9c0\uc810 \ub610\ub294 \uc2a4\ud0c0 \uc811\uc9c0 \ud1a0\ud3f4\ub85c\uc9c0\ub97c \uad6c\ud604\ud558\uc138\uc694. \ubd84\uc0b0 \uc5b4\ub808\uc774\uc758 \uacbd\uc6b0 \uc911\uac04 \uc9c0\uc810\uc5d0\uc11c \uc0c1\ud638 \uc5f0\uacb0\ub418\uc9c0 \uc54a\ub294 \uc804\uc6a9 \uc811\uc9c0 \ub3c4\uccb4\ub97c \uc0ac\uc6a9\ud558\uc138\uc694. \ud655\uc778 <AC\uc640 DC \uc811\uc9c0\uc810 \uc0ac\uc774\uc758 0.1\u03a9 \ubbf8\ub9cc\uc758 \uc800\ud56d.<\/p>\n

\"PV<\/figure>\n

SPD \uc120\ud0dd \ubc29\ubc95\ub860<\/h2>\n

\uc5f0\uc18d \uc791\ub3d9 \uc804\uc555<\/h3>\n

SPD\uc758 U_c\ub294 \ubaa8\ub4e0 \uc870\uac74\uc5d0\uc11c \ucd5c\ub300 \uc815\uc0c1 \uc0c1\ud0dc \uc804\uc555\uc744 \ucd08\uacfc\ud574\uc57c \ud569\ub2c8\ub2e4. DC \uce21 SPD\uc758 \uacbd\uc6b0: U_c \u2265 1.4 \u00d7 V_oc_max<\/strong>, \uc5d0\uc11c V_oc_max\ub294 \uc628\ub3c4 \uac10\uc18d\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4: V_oc_max = V_oc_STC \u00d7 (1 + \u03b1_V \u00d7 \u0394T)<\/strong>.<\/p>\n

1000V \uc2dc\uc2a4\ud15c \uc608\uc2dc: 25\u00b0C\uc5d0\uc11c \uc2a4\ud2b8\ub9c1 V_oc = 750V, \uc628\ub3c4 \uacc4\uc218 \u03b1_V = -0.3%\/\u00b0C, \ucd5c\uc18c \uc8fc\ubcc0 \uc628\ub3c4 -40\u00b0C. V_oc_max = 750 \u00d7 (1 + (-0.003 \u00d7 -65)) = 896V. \ud544\uc694\ud55c U_c: 1.4 \u00d7 896 = 1,254V, SPD \uc815\uaca9 U_c = \ucd5c\uc18c 1,300V DC\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/p>\n

\ubc29\uc804 \uc804\ub958 \uc6a9\ub7c9<\/h3>\n<\/p>\n

\uace0\ub8b0\ub3c4 \uc9c0\uc5ed(N_g > 6)\uc5d0\ub294 I_imp \u226525kA(10\/350 \u03bcs)\uc758 \uc720\ud615 1 SPD\uc640 I_n \u226540kA(8\/20 \u03bcs)\uc758 \uc720\ud615 2 SPD\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ubcf4\ud1b5 \uc9c0\uc5ed(2 < N_g <6)\ub294 I_n \u226520kA\uc5d0\uc11c \uc720\ud615 2 SPD\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub099\ub8b0\uac00 \uc801\uc740 \uc9c0\uc5ed(N_g < 2) \ucd5c\uc18c I_n = 10-15kA\ub97c \ud5c8\uc6a9\ud569\ub2c8\ub2e4.\n\n\n

\uc804\uc555 \ubcf4\ud638 \uc218\uc900<\/h3>\n<\/p>\n

SPD \uc804\uc555 \ubcf4\ud638 \uc218\uc900\uc740 \uc801\uc808\ud55c \uc5ec\uc720\ub97c \ub450\uace0 \uc7a5\ube44 \ub0b4\uc804\uc555 \uc774\ud558\ub85c \uc720\uc9c0\ud574\uc57c \ud569\ub2c8\ub2e4: U_p < 0.8 \u00d7 V_withstand<\/strong>. 8kV \uc778\ubc84\ud130 \ub0b4\uc131\uc758 \uacbd\uc6b0 U_p \u22642.5kV\ub85c 3\ubc30\uc758 \uc548\uc804 \ub9c8\uc9c4\uc744 \uc81c\uacf5\ud558\ub294 SPD\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/p>\n

\uc870\uc815\uc744 \ud655\uc778\ud569\ub2c8\ub2e4: U_p_upstream \u00d7 1.2 < U_p_downstream<\/strong> \ub808\uc774\uc5b4 \uac04 20% \uc804\uc555 \ubd84\ub9ac\ub97c \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n

\ud658\uacbd \ub4f1\uae09<\/h3>\n<\/p>\n

\uc2e4\uc678 SPD \uc778\ud074\ub85c\uc800\ub294 \ucd5c\uc18c IP65(NEMA 3R), \uc790\uc678\uc120 \uc548\uc815\ud654 \uc18c\uc7ac, -40\u00b0C ~ +70\u00b0C \uc791\ub3d9 \uc628\ub3c4, \ud574\uc548 \uc9c0\uc5ed\uc758 \uacbd\uc6b0 \uc5fc\uc218 \ubd84\ubb34 \uc800\ud56d\uc131\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \ud574\ubc1c 2000m \uc774\uc0c1\uc758 \uace0\ub3c4\uc5d0\uc11c\ub294 \uacbd\uac10\uc744 \uc801\uc6a9\ud558\uc138\uc694: \uc6a9\ub7c9_\uc720\ud6a8 = \uc6a9\ub7c9_\ub4f1\uae09 \u00d7 (2000m\/\uace0\ub3c4)^0.9<\/strong>.<\/p>\n

\"\uc811\uc9c0\ubd09<\/figure>\n

\ud14c\uc2a4\ud2b8 \ubc0f \uc2dc\uc6b4\uc804<\/h2>\n

\uc804\uc6d0 \uacf5\uae09 \uc804 \uac80\uc0ac<\/h3>\n

SPD \uc7a5\ucc29 \ubcf4\uc548, \ub3c4\uccb4 \uc885\ub2e8, \uc811\uc9c0 \ub9ac\ub4dc \ub77c\uc6b0\ud305(\ucd5c\uc18c \uae38\uc774, \uc9c1\uc120 \uacbd\ub85c), \uadf9\uc131, \ud658\uacbd \ubc00\ubd09 \ubc0f \uc0c1\ud0dc \ud45c\uc2dc\uae30 \uc791\ub3d9\uc744 \ud655\uc778\ud569\ub2c8\ub2e4. \uc5f0\uc18d\uc131 \ud14c\uc2a4\ud130\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc804\uc6d0\uc744 \uacf5\uae09\ud558\uae30 \uc804\uc5d0 SPD\uac00 \uac1c\ubc29 \ud68c\ub85c\uc5d0 \uc2e4\ud328\ud558\uc9c0 \uc54a\uc558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n

\uc808\uc5f0 \uc800\ud56d \ud14c\uc2a4\ud2b8<\/h3>\n<\/p>\n

1000V DC \ud14c\uc2a4\ud2b8 \uc804\uc555\uc5d0\uc11c \uba54\uace0\ubbf8\ud130\ub85c \uadf9 \ub300 \uc811\uc9c0 \uc800\ud56d\uc744 \uce21\uc815\ud569\ub2c8\ub2e4. \ud310\ub3c5\uac12\uc740 SPD\uac00 \uc5c6\ub294 \uacbd\uc6b0 1M\u03a9\uc744 \ucd08\uacfc\ud574\uc57c \ud558\uba70, SPD\uac00 \uc5f0\uacb0\ub41c \uacbd\uc6b0 100k\u03a9\uc744 \ucd08\uacfc\ud574\uc57c \ud569\ub2c8\ub2e4. SPD \uc5f0\uacb0\ub85c \uc778\ud55c \uc808\uc5f0 \uc800\ud56d \uac15\ud558\uac00 90%\ub97c \ucd08\uacfc\ud558\uc9c0 \uc54a\uc544\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

\uc811\uc9c0 \uc800\ud56d \uac80\uc99d<\/h3>\n<\/p>\n

\uc804\uc704\ucc28 \ud14c\uc2a4\ud130\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc811\uc9c0 \uc804\uadf9\uc5d0\uc11c \uc6d0\uaca9 \uc811\uc9c0\uae4c\uc9c0\uc758 \uc800\ud56d\uc744 \uce21\uc815\ud569\ub2c8\ub2e4. \ud5c8\uc6a9 \uae30\uc900: \uac1c\ubcc4 \uc804\uadf9 <25 \u03a9 per nec 250.53(a)(2), system resistance <5 for optimal protection, inter-zone <1 \u03a9.\n\n\n

\uc870\uc815 \ud14c\uc2a4\ud2b8<\/h3>\n<\/p>\n

\uc5c5\uc2a4\ud2b8\ub9bc \ubc0f \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc SPD \uc811\uc9c0 \ub9ac\ub4dc\uc5d0 \uc804\ub958 \ud504\ub85c\ube0c\ub97c \uc124\uce58\ud569\ub2c8\ub2e4. \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc SPD \uc815\uaca9 \uc804\ub958\uc758 50%\uc5d0 \uc11c\uc9c0\ub97c \uc801\uc6a9\ud558\uc5ec \uc5c5\uc2a4\ud2b8\ub9bc SPD\uac00 \ucd1d \uc11c\uc9c0 \uc804\ub958\uc758 80% \uc774\uc0c1\uc744 \uc804\ub3c4\ud558\ub294\uc9c0 \ud655\uc778\ud558\uc5ec \uc801\uc808\ud55c \uc870\uc815\uc744 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n

\uc77c\ubc18\uc801\uc778 \ub514\uc790\uc778 \uc624\ub958<\/h2>\n

\u274c \ubd88\ucda9\ubd84\ud55c \uc5f0\uc18d \uc791\ub3d9 \uc804\uc555 \uc815\uaca9<\/h3>\n<\/p>\n

\ubb38\uc81c<\/strong>: \ucd5c\ub300 \uc2dc\uc2a4\ud15c \uc804\uc555\ubcf4\ub2e4 \ub0ae\uc740 U_c\ub85c SPD\ub97c \uc124\uce58\ud558\uba74 V_oc\uac00 \ud53c\ud06c\uac00\ub418\ub294 \ucd94\uc6b4 \ub0a0\uc528\uc5d0 \uc870\uae30 \ub178\ud654 \ub610\ub294 \uc989\uac01\uc801\uc778 \uace0\uc7a5\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n

\uc77c\ubc18\uc801\uc778 \uc2dc\ub098\ub9ac\uc624<\/strong>: \uc628\ub3c4 \uacbd\uac10 \ub9c8\uc9c4\uc774 \uc5c6\ub294 1000V \uc2dc\uc2a4\ud15c\uc5d0 \ub300\ud574 1000V SPD\ub97c \uc120\ud0dd\ud558\uace0, \uc9c1\ub82c \uc2a4\ud2b8\ub9c1 \uc804\uc555\uc744 \uace0\ub824\ud558\uc9c0 \uc54a\uace0, DC \uc2dc\uc2a4\ud15c\uc5d0\uc11c AC \uc815\uaca9 SPD\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n

\uc218\uc815<\/strong>: 40\u00b0C \uc628\ub3c4 \uacc4\uc218\ub97c \ud3ec\ud568\ud55c \ucd5c\ub300 V_oc\ub97c \uacc4\uc0b0\ud558\uace0, U_c \u22651.4 \u00d7 V_oc_max\ub85c SPD\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4. 1000V \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0 \ucd5c\uc18c 1,300-1,500V \uc815\uaca9 SPD\ub97c \uc0ac\uc6a9\ud558\uc138\uc694.<\/p>\n

\u274c \uacfc\ub3c4\ud55c SPD \uc811\uc9c0 \ub9ac\ub4dc \uae38\uc774<\/h3>\n

\ubb38\uc81c<\/strong>: \uae34 \uc811\uc9c0 \ub9ac\ub4dc\ub294 \uc11c\uc9c0 \ubc29\uc804 \uc911\uc5d0 \uc720\ub3c4 \uc804\uc555 \uac15\ud558\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4: V = L \u00d7 (di\/dt). 1m \uc811\uc9c0 \ub9ac\ub4dc(1\u03bcH\/m) \u00d7 10kA\/\u03bcs = 10kV\uc758 \uc804\uc555\uc774 \ucd94\uac00\ub418\uc5b4 \ubcf4\ud638 \uae30\ub2a5\uc744 \ubb34\ub825\ud654\ud569\ub2c8\ub2e4.<\/p>\n

\uc218\uc815<\/strong>: \uc811\uc9c0 \ub9ac\ub4dc \uc81c\ud55c <30 cm maximum length, route in straight line with no loops, use minimum 6 awg conductors, mount spds directly on ground busbar when possible.\n\n\n

\uc5d0\ub108\uc9c0 \uc870\uc815 \ub204\ub77d<\/h3>\n

\ubb38\uc81c<\/strong>: \uc801\uc808\ud55c \uc9c1\ub82c \uc784\ud53c\ub358\uc2a4 \uc5c6\uc774 \uc720\ud615 2 \ubc0f \uc720\ud615 3 SPD\ub97c \ub108\ubb34 \uac00\uae5d\uac8c \uc124\uce58\ud558\uba74 \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \uc7a5\uce58 \uacfc\ubd80\ud558 \ubc0f \ud30c\uc190\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc218\uc815<\/strong>: SPD \ub808\uc774\uc5b4 \uac04 \ucd5c\uc18c 10m \ucf00\uc774\ube14 \uae38\uc774(30\u03bcH \uc778\ub355\ud134\uc2a4) \uc720\uc9c0, 15-20% \ub2e8\uacc4\ub85c \uc804\uc555 \ubcf4\ud638 \uc218\uc900 \uc870\uc815 \ud655\uc778, \uc5c5\uc2a4\ud2b8\ub9bc \uc720\ud615 3 \ubcf4\ud638 \uc5c6\uc774 \uc720\ud615 2\ub97c \uc124\uce58\ud558\uc9c0 \ub9c8\uc138\uc694.<\/p>\n

\u274c \uc811\uc9c0 \ub8e8\ud504 \uc0dd\uc131<\/h3>\n

\ubb38\uc81c<\/strong>: \uc7a5\ube44\ub97c \uc804\uc704\uac00 \ub2e4\ub978 \uc5ec\ub7ec \uc811\uc9c0 \uc9c0\uc810\uc5d0 \uc5f0\uacb0\ud558\uba74 \uc11c\uc9c0 \ubc1c\uc0dd \uc2dc \uc804\uc790 \uc7a5\uce58\ub97c \ud1b5\ud574 \uc21c\ud658 \uc804\ub958\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n

\uc218\uc815<\/strong>: \ub2e8\uc77c \uc9c0\uc810 \ub610\ub294 \uc2a4\ud0c0 \uc811\uc9c0 \ud1a0\ud3f4\ub85c\uc9c0 \uad6c\ud604, \ubaa8\ub4e0 \uc811\uc9c0 \uc804\uadf9\uc744 4\/0 AWG \ucee8\ub355\ud130\ub85c \uc0c1\ud638 \uc5f0\uacb0, \ubd84\uc0b0 \uc5b4\ub808\uc774\ub97c \uc704\ud55c \ub4f1\uc804\uc704 \ubcf8\ub529 \uc601\uc5ed \uc0dd\uc131, \uac80\uc99d. <\uc811\uc9c0 \uc9c0\uc810 \uac04 0.1\u03a9 \ubbf8\ub9cc\uc758 \uc800\ud56d.\n\n\n\n

\n

\u26a0\ufe0f \uc911\uc694<\/strong>: \uace0\uc7a5\ub09c SPD\ub294 \uc885\uc885 \ub208\uc5d0 \ubcf4\uc774\ub294 \ud45c\uc2dc \uc5c6\uc774 \uac1c\ubc29 \ud68c\ub85c\uc5d0\uc11c \uace0\uc7a5\ub0a9\ub2c8\ub2e4. \ubd84\uae30\ubcc4 \ud14c\uc2a4\ud2b8 \ub610\ub294 \uc6d0\uaca9 \ubaa8\ub2c8\ud130\ub9c1\uc744 \uad6c\ud604\ud558\uc5ec \ud6c4\uc18d \uc11c\uc9c0\ub85c \uc778\ud574 \ubcf4\ud638\ub418\uc9c0 \uc54a\uc740 \uc7a5\ube44\uac00 \ud30c\uad34\ub418\uae30 \uc804\uc5d0 \uace0\uc7a5\uc744 \uac10\uc9c0\ud558\uc138\uc694.<\/p>\n<\/blockquote>\n

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

PV \uc11c\uc9c0 \ubcf4\ud638 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc720\ud615 1, \uc720\ud615 2 \ubc0f \uc720\ud615 3 SPD\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n

\uc720\ud615 1, \uc720\ud615 2 \ubc0f \uc720\ud615 3 SPD\ub294 \uc8fc\ub85c \uc5d0\ub108\uc9c0 \ucc98\ub9ac \uc6a9\ub7c9, \uc804\uc555 \ubcf4\ud638 \uc218\uc900 \ubc0f \uc124\uce58 \uc704\uce58\uac00 \ub2e4\ub985\ub2c8\ub2e4. \uc720\ud615 1 SPD\ub294 \ucd5c\ub300 25kA(10\/350\u03bcs)\uc758 \uc784\ud384\uc2a4 \uc804\ub958\ub85c \uc9c1\uc811 \ub099\ub8b0\ub97c \ucc98\ub9ac\ud558\uba70 \uc678\ubd80 LPS \ub3c4\uccb4\uac00 \uad6c\uc870\ubb3c\uc5d0 \ub4e4\uc5b4\uac00\ub294 \uacf3\uc5d0 \uc124\uce58\ud569\ub2c8\ub2e4. \uc720\ud615 2 SPD\ub294 20-40kA \ubc29\uc804 \uc6a9\ub7c9(8\/20\u03bcs)\uc73c\ub85c \uc720\ub3c4 \uc11c\uc9c0\ub85c\ubd80\ud130 \ubcf4\ud638\ud558\uba70 \uc778\ubc84\ud130 \uc785\ub825\uc5d0 1\ucc28 \ubcf4\ud638 \uacc4\uce35\uc73c\ub85c \uc124\uce58\ud569\ub2c8\ub2e4. \uc720\ud615 3 SPD\ub294 \uc6a9\ub7c9\uc774 5kA\uc774\uc9c0\ub9cc \uc804\uc555 \ubcf4\ud638 \uc218\uc900\uc774 \uac00\uc7a5 \ub0ae\uc740 (\u22641.5kV) \ubbfc\uac10\ud55c \uc804\uc790 \uc81c\ud488\uc5d0 \ub300\ud55c \ucd5c\uc885 \ubcf4\ud638 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ub808\uc774\uc5b4 \uac04\uc758 \uc801\uc808\ud55c \uc870\uc815\uc744 \ud1b5\ud574 \uc5c5\uc2a4\ud2b8\ub9bc \uc7a5\uce58\ub294 \uace0 \uc5d0\ub108\uc9c0 \uc11c\uc9c0\ub97c \ucc98\ub9ac\ud558\uace0 \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \uc7a5\uce58\ub294 \ubc18\ub3c4\uccb4 \ubcf4\ud638\ub97c \uc704\ud574 \ub354 \uc5c4\uaca9\ud55c \uc804\uc555 \ud074\ub7a8\ud551\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n

DC \uce21 SPD\uc5d0 \ud544\uc694\ud55c \uc5f0\uc18d \uc791\ub3d9 \uc804\uc555 \uc815\uaca9\uc744 \uc5b4\ub5bb\uac8c \uacc4\uc0b0\ud569\ub2c8\uae4c?<\/h3>\n<\/p>\n

\uba3c\uc800 \ucd5c\uc545\uc758 \uc800\uc628 \uc870\uac74\uc5d0\uc11c \ucd5c\ub300 \uc5b4\ub808\uc774 \uac1c\ubc29 \ud68c\ub85c \uc804\uc555\uc744 \uacb0\uc815\ud558\uc5ec SPD\uc758 \uc5f0\uc18d \uc791\ub3d9 \uc804\uc555(U_c)\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. \ub2e4\uc74c \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4: V_oc_max = V_oc_STC \u00d7 (1 + \u03b1_V \u00d7 \u0394T, \uc5ec\uae30\uc11c \u03b1_V\ub294 \uc628\ub3c4 \uacc4\uc218(\uc77c\ubc18\uc801\uc73c\ub85c -0.3%\/\u00b0C)\uc774\uace0 \u0394T\ub294 STC\uc640\uc758 \uc628\ub3c4 \ucc28\uc774(\uc77c\ubc18\uc801\uc73c\ub85c -65\u00b0C \ucd5c\uc18c \uc8fc\ubcc0 \uc628\ub3c4\uc778 \uacbd\uc6b0 -40\u00b0C)\uc785\ub2c8\ub2e4.) \ucd5c\uc18c SPD \uc815\uaca9\uc740 U_c \u22651.4 \u00d7 V_oc_max\uc5ec\uc57c \ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, 40V \ubaa8\ub4c8\uc774 \uc788\ub294 18 \uc2dc\ub9ac\uc988 \uc2a4\ud2b8\ub9c1\uc740 V_oc_STC = 720V\uc785\ub2c8\ub2e4. \uc628\ub3c4 \uacbd\uac10: 720V \u00d7 1.195 = 860V. \ud544\uc218 U_c: 1.4 \u00d7 860V = 1,204V, \ub530\ub77c\uc11c \uc815\uaca9 1,300V DC \uc774\uc0c1\uc758 SPD\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4. 1.4\ubc30 \uc548\uc804 \uacc4\uc218\ub294 \uc77c\uc2dc\uc801\uc778 \uacfc\uc804\uc555 \ubc0f SPD \ub178\ud654\ub97c \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n

\ub2e4\uc591\ud55c \uc2dc\uc2a4\ud15c \uad6c\uc131\uc5d0\uc11c \uc720\ud615 2 SPD\uc5d0 \ud544\uc694\ud55c \ubc29\uc804 \uc804\ub958 \uc6a9\ub7c9\uc740 \uc5bc\ub9c8\uc785\ub2c8\uae4c?<\/h3>\n<\/p>\n

\uc2a4\ud2b8\ub9c1 \uc778\ubc84\ud130 \uc2dc\uc2a4\ud15c\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc9c0\uc5ed \ub099\ub8b0 \ubc00\ub3c4\uc5d0 \ub530\ub77c \uc778\ubc84\ud130 \uc785\ub825\ub2f9 20~40kA(8\/20\u03bcs)\uc758 \ubc29\uc804 \uc6a9\ub7c9\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. 4~8\uac1c\uc758 \ubcd1\ub82c \uc2a4\ud2b8\ub9c1\uc5d0 \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud558\ub294 \uc2a4\ud2b8\ub9c1 \ucef4\ubc14\uc774\ub108\uac00 \uc788\ub294 \ub099\ub8b0 \ubc00\ub3c4\uac00 \ub192\uc740 \uc9c0\uc5ed(N_g > 6\ud68c\/km\u00b2\/\ub144)\uc5d0\uc11c\ub294 \ucd5c\uc18c 40kA\ub97c \uc9c0\uc815\ud569\ub2c8\ub2e4. \uc911\uc559 \uc778\ubc84\ud130 \uc2dc\uc2a4\ud15c\uc740 20~50\uac1c\uc758 \ubcd1\ub82c \uc2a4\ud2b8\ub9c1\uc5d0\uc11c \uc9d1\uc911\ub41c \uc11c\uc9c0 \uc5d0\ub108\uc9c0\ub85c \uc778\ud574 \uba54\uc778 DC \ucef4\ubc14\uc774\ub108\uc5d0\uc11c 60~80kA\ub97c \uc694\uad6c\ud569\ub2c8\ub2e4. \uc911\uc559 \uc2dc\uc2a4\ud15c\uc5d0\ub294 25kA \uc784\ud384\uc2a4 \uc804\ub958(10\/350\u03bcs)\uc640 60-80kA \ubc29\uc804(8\/20\u03bcs)\uc744 \uacb0\ud569\ud55c \uc720\ud615 1+2 \ud558\uc774\ube0c\ub9ac\ub4dc SPD\ub97c \uc0ac\uc6a9\ud558\uc138\uc694. \ub610\ub294 \uc7a5\uc560 \ub9ac\ub358\ub358\uc2dc\uc640 \ub3d9\ub4f1\ud55c \uc6a9\ub7c9\uc744 \uc81c\uacf5\ud558\ub294 \uc5ec\ub7ec \uac1c\uc758 40kA SPD\ub97c \ubcd1\ub82c\ub85c \uc124\uce58\ud558\uc138\uc694. \uacc4\uc0b0\ub41c \ucd5c\uc545\uc758 \uc11c\uc9c0 \uc5d0\ub108\uc9c0\ubcf4\ub2e4 \ud56d\uc0c1 25% \uc548\uc804 \ub9c8\uc9c4\uc744 \uc720\uc9c0\ud558\uc138\uc694.<\/p>\n

\ubd84\uc0b0\ud615 \ud0dc\uc591\uad11 \uc5b4\ub808\uc774\uc5d0\uc11c \uc811\uc9c0 \ub8e8\ud504\ub97c \ubc29\uc9c0\ud558\ub824\uba74 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud558\ub098\uc694?<\/h3>\n<\/p>\n

\uc911\uac04 \uc9c0\uc810\uc5d0\uc11c \uc0c1\ud638 \uc5f0\uacb0\ub418\uc9c0 \uc54a\ub294 \uc804\uc6a9 \ub3c4\uccb4\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubaa8\ub4e0 SPD \ubc0f \uc7a5\ube44\uac00 \uc778\ubc84\ud130 \uc704\uce58\uc758 \uc911\uc559 \uc811\uc9c0 \ubc84\uc2a4\uc5d0 \uc5f0\uacb0\ub418\ub294 \ub2e8\uc77c \uc9c0\uc810 \uc811\uc9c0 \ud1a0\ud3f4\ub85c\uc9c0\ub97c \uad6c\ud604\ud558\uc5ec \uc811\uc9c0 \ub8e8\ud504\ub97c \ubc29\uc9c0\ud569\ub2c8\ub2e4. 50m\ub97c \ucd08\uacfc\ud558\ub294 \ubd84\uc0b0 \uc5b4\ub808\uc774\uc758 \uacbd\uc6b0, \uac01\uac01 \uc5ec\ub7ec \ubcd1\ub82c 10AWG \ubcf8\ub529 \ub3c4\uccb4\ub97c \ud1b5\ud574 \uc0c1\ud638 \uc5f0\uacb0\ub41c \ubb34\uac70\uc6b4 \uad6c\ub9ac \uc811\uc9c0 \ubc84\uc2a4(\ucd5c\uc18c 100mm\u00b2)\ub97c \uc0ac\uc6a9\ud558\uc5ec \ucd5c\ub300 30-50m\uc758 \ub4f1\uc804\uc704 \ubcf8\ub529 \uc601\uc5ed\uc744 \ub9cc\ub4ed\ub2c8\ub2e4. \uc11c\uc9c0 \uc774\ubca4\ud2b8\uac00 \ubc1c\uc0dd\ud558\ub294 \ub3d9\uc548 \uc774\ub7ec\ud55c \uc601\uc5ed\uc740 \ucc28\uc774\uac00 \uc7a5\ube44\uc5d0 \uc2a4\ud2b8\ub808\uc2a4\ub97c \uc8fc\uae30 \uc804\uc5d0 \uc804\uc704\ub97c \uade0\ub4f1\ud654\ud569\ub2c8\ub2e4. \ubaa8\ub4e0 \uc811\uc9c0 \uc804\uadf9\uc774 \uba54\uc2dc \uad6c\uc131\uc73c\ub85c \uc0c1\ud638 \uc5f0\uacb0\ub418\uace0, \uc778\ubc84\ud130\uc5d0\uc11c \ucd5c\uc18c 6AWG\ub97c \uc0ac\uc6a9\ud558\uc5ec AC \ubc0f DC \uc811\uc9c0 \uc2dc\uc2a4\ud15c\uc744 \ud568\uaed8 \ubcf8\ub529\ud558\uace0 \ub2e4\uc74c\uc744 \ud655\uc778\ud569\ub2c8\ub2e4. <AC\uc640 DC \uc811\uc9c0 \uc9c0\uc810 \uc0ac\uc774\uc758 \uc800\ud56d\uc774 0.1\u03a9 \ubbf8\ub9cc\uc785\ub2c8\ub2e4. \uc7a5\ube44 \ud504\ub808\uc784 \uc811\uc9c0\ub97c \uae38\uc774\ub97c \ub530\ub77c \uc5ec\ub7ec \uc9c0\uc810\uc5d0 \uc5f0\uacb0\ud558\uc9c0 \ub9c8\uc138\uc694.\n\n\n

\uc678\ubd80 \ub099\ub8b0 \ubcf4\ud638 \uc2dc\uc2a4\ud15c \ud1b5\ud569\uc740 \uc5b8\uc81c \ud544\uc694\ud558\ub098\uc694?<\/h3>\n<\/p>\n

IEC 62305-2 \uc704\ud5d8 \ud3c9\uac00\uc5d0\uc11c \ud5c8\uc6a9\ud560 \uc218 \uc5c6\ub294 \uc9c1\uc811 \ud0c0\uaca9 \ud655\ub960\uc774 \ud655\uc778\ub418\uba74 \uc678\ubd80 LPS\uac00 \ud544\uc694\ud558\uba70, \uc77c\ubc18\uc801\uc73c\ub85c N_g\uac00 4\uc2a4\ud2b8\ub77c\uc774\ud06c\/km\u00b2\/\ub144 \uc774\uc0c1\uc778 \uc9c0\uc5ed\uc5d0\uc11c \ub192\uc774 8-10m\ub97c \ucd08\uacfc\ud558\ub294 \uc5b4\ub808\uc774\uc5d0 \uc694\uad6c\ub429\ub2c8\ub2e4. \uc5f0\uac04 \uc9c1\uc811 \ucda9\ub3cc\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4: N_D = N_g \u00d7 A_D \u00d7 C_D \u00d7 10^-6, \uc5ec\uae30\uc11c A_D\ub294 \uad6c\uc870\ubb3c\uc758 \uc218\uc9d1 \uba74\uc801\uc785\ub2c8\ub2e4. N_D\uac00 0.05\ub97c \ucd08\uacfc\ud558\ub294 \uacbd\uc6b0(20\ub144\uc5d0 \ud55c \ubc88 \uc774\uc0c1 \ud0c0\uaca9\uc774 \uc608\uc0c1\ub428), $500,000 \uc774\uc0c1\uc758 \uc124\uce58\uc5d0 \ub300\ud574 \uc678\ubd80 LPS\uac00 \uacbd\uc81c\uc801\uc73c\ub85c \ud0c0\ub2f9\ud558\ub2e4\ub294 \uac83\uc774 \uc785\uc99d\ub429\ub2c8\ub2e4. \ud1b5\ud569\uc744 \uc704\ud574\uc11c\ub294 \uc811\uc9c0 \uc2dc\uc2a4\ud15c\uc5d0 LPS\uac00 \uacb0\ud569\ub418\ub294 \uc804\uae30 \uc778\ud130\ud398\uc774\uc2a4\uc5d0\uc11c \uc2a4\ud2b8\ub77c\uc774\ud06c\ub97c \ucc28\ub2e8\ud558\ub294 \uc218\ub8b0 \ubd80, \uc811\uc9c0\ub85c \uc804\ub958\ub97c \uc804\ub2ec\ud558\ub294 \ub2e4\uc6b4 \ucee8\ub355\ud130 \ubc0f \uc720\ud615 1 SPD(I_imp = \ucd5c\uc18c 25kA)\uc640 \ud568\uaed8 \uc870\uc815\ub41c \uc124\uacc4\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \uc678\ubd80 LPS\uac00 \uc5c6\ub294 \uacbd\uc6b0 \ubcf4\ud638\ub294 \uc804\uc801\uc73c\ub85c \uc720\ud615 2 SPD\uc5d0 \uc758\uc874\ud558\uba70, \ub192\uc774 4m \ubbf8\ub9cc\uc758 \ub300\ubd80\ubd84\uc758 \uc9c0\uc0c1 \uc7a5\ucc29 \uc5b4\ub808\uc774\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n

\uc9c0\uc18d\uc801\uc778 SPD \ubcf4\ud638 \ud6a8\uacfc\ub97c \ubcf4\uc7a5\ud558\ub294 \uc720\uc9c0 \uad00\ub9ac \ud14c\uc2a4\ud2b8\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n<\/p>\n

\ubd84\uae30\ubcc4\ub85c \uc721\uc548 \uac80\uc0ac\ub97c \uc2e4\uc2dc\ud558\uc5ec \uc0c1\ud0dc \ud45c\uc2dc\uae30\uac00 \uc791\ub3d9 \uc0c1\ud0dc\ub97c \ud45c\uc2dc\ud558\ub294\uc9c0, \uc778\ud074\ub85c\uc800\ub098 \uc5f0\uacb0\ubd80\uc5d0 \ub208\uc5d0 \ubcf4\uc774\ub294 \uc190\uc0c1\uc774 \uc5c6\ub294\uc9c0, \uc7a5\ucc29 \ud558\ub4dc\uc6e8\uc5b4 \ud1a0\ud06c\uac00 \ud655\uc778\ub418\uc5c8\ub294\uc9c0, \uacfc\uc5f4 \uc99d\uac70\uac00 \uc5c6\ub294\uc9c0, \uc530\uc774 \uc190\uc0c1\ub418\uc9c0 \uc54a\uc558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. \uc5f0\uac04 \uc804\uae30 \ud14c\uc2a4\ud2b8\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4: \uc815\uaca9 \uc804\uc555\uc5d0\uc11c \ub204\uc124 \uc804\ub958 \uce21\uc815(\uae30\uc900\uc120 <1 ma, replace if>5mA \ub610\ub294 50% \uc99d\uac00), \uc811\uc9c0 \uc5f0\uacb0 \uc800\ud56d \ud14c\uc2a4\ud2b8().1M\u03a9), SPD\uac00 \uc5f0\uacb0\ub41c \uc0c1\ud0dc\uc5d0\uc11c \uadf9 \ub300 \uc811\uc9c0 \uc800\ud56d \uce21\uc815(\uc811\uc9c0 \uc624\ub958 \uac10\uc9c0 \uae30\ub2a5\uc758 \uacbd\uc6b0 100k\u03a9 \uc774\uc0c1). \ucd94\uc138 \ubd84\uc11d\uc744 \uc704\ud55c \uce21\uc815\uac12 \ubb38\uc11c\ud654 - \uc810\uc9c4\uc801\uc778 \uc99d\uac00\ub294 \uc218\uba85 \uc885\ub8cc\uac00 \uc784\ubc15\ud588\uc74c\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ud14c\uc2a4\ud2b8\ub97c \ud1b5\uacfc\ud558\ub354\ub77c\ub3c4 \uc0c1\ub2f9\ud55c \ub099\ub8b0\uac00 \ubc1c\uc0dd\ud55c \ud6c4\uc5d0\ub294 \uc989\uc2dc SPD\ub97c \uad50\uccb4\ud558\uc138\uc694. \ud14c\uc2a4\ud2b8 \uacb0\uacfc\uc5d0 \uad00\uacc4\uc5c6\uc774 \uc720\ud615 2 SPD\uc5d0 \ub300\ud574 \ucd5c\ub300 10 \ub144 \uad50\uccb4\ub97c \uad6c\ud604\ud569\ub2c8\ub2e4.<\/p>\n

\ud0dc\uc591\uad11 \uc11c\uc9c0 \ubcf4\ud638\ub97c \uc720\ud2f8\ub9ac\ud2f0 \uc0c1\ud638 \uc5f0\uacb0 \uc694\uad6c \uc0ac\ud56d\uacfc \uc5b4\ub5bb\uac8c \uc870\uc815\ud558\ub098\uc694?<\/h3>\n<\/p>\n

\ub2e4\uc74c\uc744 \uc0ac\uc6a9\ud558\uc5ec MOV \uae30\ubc18 \uc7a5\uce58\ub97c \uc9c0\uc815\ud558\uc5ec AC \uce21 SPD\uac00 \uc548\ud2f0 \uc544\uc77c\ub79c\ub529 \uac10\uc9c0\ub97c \ubc29\ud574\ud558\uc9c0 \uc54a\ub3c4\ub85d \ud569\ub2c8\ub2e4. <100 pf capacitance and>\uacf5\uce6d \uc804\uc555\uc5d0\uc11c 100k\u03a9 \uc800\ud56d, \uc8fc\ud30c\uc218 \ud3b8\uc774 \ub610\ub294 \uc784\ud53c\ub358\uc2a4 \uce21\uc815 \uc548\ud2f0\uc544\uc77c\ub79c\ub529 \ubc29\ubc95\uc5d0 \ub300\ud574 \ud22c\uba85\uc131\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4. SPD \uc804\uc555 \ubcf4\ud638 \uc218\uc900\uc740 \uc778\ubc84\ud130 \uacfc\uc804\uc555 \ud2b8\ub9bd \uc124\uc815\uacfc \uc870\uc815\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc778\ubc84\ud130 \ud2b8\ub9bd \ud3ec\uc778\ud2b8(\uc77c\ubc18\uc801\uc73c\ub85c \uacf5\uce6d\uc758 1.35\ubc30) \uc774\ud558\ub85c \uc720\uc9c0\ud558\uba74\uc11c \uc11c\uc9c0\ub97c \ud074\ub7a8\ud504\ud558\ub824\uba74 Up = 1.5-2.0\ubc30 \uacf5\uce6d \uc804\uc555\uc744 \uc120\ud0dd\ud569\ub2c8\ub2e4. \uc811\uc9c0 \uc624\ub958 \uac10\uc9c0 \ud1b5\ud569\uc744 \uc704\ud574 \ub3c4\uccb4\uc640 \uc811\uc9c0 \uc0ac\uc774\uc5d0 \ub192\uc740 DC \uc800\ud56d(>100k\u03a9)\uc774 \uc788\ub294 SPD\ub97c \uc0ac\uc6a9\ud558\uac70\ub098 \ucd1d \uc811\uc9c0 \uc804\ub958\uc5d0\uc11c \uc54c\ub824\uc9c4 SPD \ub204\ucd9c\uc744 \ube80 CT \uae30\ubc18 \uac10\uc9c0\ub97c \uad6c\ud604\ud558\uc138\uc694. SPD \uc124\uce58\uac00 100k\u03a9 \uc774\uc0c1\uc758 \uadf9 \ub300 \uc811\uc9c0 \uacb0\ud569 \uc800\ud56d\uc744 \uc720\uc9c0\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. \uae30\uc900\uc120 \ub204\uc124 \uc804\ub958\ub97c \ubb38\uc11c\ud654\ud558\uace0 30mA \uc778\uba85 \ubcf4\ud638 \uac10\ub3c4\ub97c \uc720\uc9c0\ud558\uba74\uc11c\uc774 \uae30\uc900\uc120 (\uc77c\ubc18\uc801\uc73c\ub85c 300-500mA) \uc774\uc0c1\uc758 \uc811\uc9c0 \uc624\ub958 \ud2b8\ub9bd \uc784\uacc4 \uac12\uc744 \uad6c\uc131\ud569\ub2c8\ub2e4. 1MW\ub97c \ucd08\uacfc\ud558\ub294 \uc124\uce58\uc5d0 \ub300\ud574\uc11c\ub294 \uc0c1\ud638 \uc5f0\uacb0 \uc2e0\uccad \uc2dc \uc720\ud2f8\ub9ac\ud2f0\uc5d0 SPD \uc0ac\uc591\uc5d0 \ub300\ud55c \uc0ac\uc804 \uc2b9\uc778\uc744 \uc694\uccad\ud558\uc138\uc694.<\/p>\n

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

\ud6a8\uacfc\uc801\uc778 \ud0dc\uc591\uad11 \uc11c\uc9c0 \ubcf4\ud638 \uc2dc\uc2a4\ud15c \uc124\uacc4\ub294 \uc815\ub7c9\uc801 \ub099\ub8b0 \uc704\ud5d8 \ud3c9\uac00, \uc870\uc815\ub41c \ub2e4\uce35 SPD \ubc30\uce58 \ubc0f \ud3ec\uad04\uc801\uc778 \uc811\uc9c0 \uc544\ud0a4\ud14d\ucc98\ub97c \ud1b5\ud569\ud558\uc5ec \uc6b4\uc601 \uc218\uba85 \ub3d9\uc548 \uc77c\uc2dc\uc801\uc778 \uacfc\uc804\uc555\uc73c\ub85c\ubd80\ud130 \ud0dc\uc591\uad11 \uc124\ube44\ub97c \ubcf4\ud638\ud569\ub2c8\ub2e4. \uc81c\uc2dc\ub41c \uccb4\uacc4\uc801\uc778 \uc811\uadfc \ubc29\uc2dd\uc740 \uc704\ud5d8 \uae30\ubc18 \uc124\uacc4 \uacb0\uc815\uc744 \ud1b5\ud574 \uacbd\uc81c\uc801 \uc2e4\ud589 \uac00\ub2a5\uc131\uc744 \uc720\uc9c0\ud558\uba74\uc11c \ud604\uc7a5\ubcc4 \ub099\ub8b0 \ub178\ucd9c\uacfc \uc77c\uce58\ud558\ub294 \ubcf4\ud638 \uc804\ub7b5\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n

\uc8fc\uc694 \uc694\uc810:<\/strong><\/p>\n

1. IEC 62305-2 \uc704\ud5d8 \ud3c9\uac00<\/strong> \ub294 \uc608\uc0c1\ub418\ub294 \uae09\uc99d \uc774\ubca4\ud2b8\uc640 \uacbd\uc81c\uc801 \uacb0\uacfc\ub97c \uacc4\uc0b0\ud558\uc5ec \ubcf4\ud638 \ud22c\uc790\uc5d0 \ub300\ud55c \uc815\ub7c9\uc801 \uc815\ub2f9\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n

2. \ub2e4\uacc4\uce35 \ubcf4\ud638<\/strong> \uc870\uc815\ub41c \uc720\ud615 1, \uc720\ud615 2 \ubc0f \uc720\ud615 3 SPD\ub97c \uc0ac\uc6a9\ud558\uba74 \uace0\uc5d0\ub108\uc9c0 \uc9c1\uc811 \uacf5\uaca9\uacfc \uc800\uc218\uc900 \uc720\ub3c4 \uacfc\ub3c4 \ud604\uc0c1\uc744 \ubaa8\ub450 \ucc98\ub9ac\ud558\ub294 \uacc4\ub2e8\uc2dd \ubc29\uc5b4\uac00 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n

3. \uc811\uc9c0 \uc2dc\uc2a4\ud15c \uc124\uacc4<\/strong> \ub4f1\uc804\uc704 \ubcf8\ub529 \uc601\uc5ed\uacfc \ub0ae\uc740 \uc784\ud53c\ub358\uc2a4 \uc5f0\uacb0\ub85c \uc804\uc704\ucc28\ub97c \ubc1c\uc0dd\uc2dc\ud0a4\uc9c0 \uc54a\uace0 \ud6a8\uacfc\uc801\uc778 \uc11c\uc9c0 \uc5d0\ub108\uc9c0 \ubc29\ucd9c\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n

4. \uc2dc\uc2a4\ud15c\ubcc4 \uc804\ub7b5<\/strong> \uc2a4\ud2b8\ub9c1 \ubc0f \uc911\uc559 \uc778\ubc84\ud130 \uc544\ud0a4\ud14d\ucc98\uc5d0 \ub530\ub77c \ub2e4\ub974\uba70 \uc911\uc559 \uc2dc\uc2a4\ud15c\uc5d0\ub294 \ud5a5\uc0c1\ub41c SPD \ub4f1\uae09\uacfc \uc774\uc911\ud654 \uad6c\uc131\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n

5. \uc218\uba85 \uc8fc\uae30 \uc720\uc9c0 \uad00\ub9ac<\/strong> \ubd84\uae30\ubcc4 \uc810\uac80 \ubc0f \uc5f0\uac04 \uc804\uae30 \ud14c\uc2a4\ud2b8\ub97c \ud1b5\ud574 \uc9c0\uc18d\uc801\uc778 \ubcf4\ud638 \ud6a8\uacfc\ub97c \uac80\uc99d\ud558\uc5ec \uce58\uba85\uc801\uc778 \uc7a5\uc560\uac00 \ubc1c\uc0dd\ud558\uae30 \uc804\uc5d0 \uc0ac\uc804 \uc608\ubc29\uc801\uc73c\ub85c \uad50\uccb4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uad00\ub828 \ub9ac\uc18c\uc2a4:<\/strong>
\n- DC SPD \uae30\uc220 \ubc0f \uc120\ud0dd \uac00\uc774\ub4dc<\/a>
\n- \ud0dc\uc591\uad11 \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4 \ubcf4\ud638 \uc2dc\uc2a4\ud15c<\/a>
\n- DC \uc2a4\uc704\uce58 \ub2e8\ub85c\uae30 \ud1b5\ud569<\/a><\/p>\n

\uc124\uce58\uc5d0 \ud3ec\uad04\uc801\uc778 \ud0dc\uc591\uad11 \uc11c\uc9c0 \ubcf4\ud638\ub97c \uad6c\ud604\ud560 \uc900\ube44\uac00 \ub418\uc168\ub098\uc694?<\/strong> \ud504\ub85c\uc81d\ud2b8 \ubcc4 \ub099\ub8b0 \uc704\ud5d8 \ud3c9\uac00 \ubc0f \uc870\uc815 \ub41c SPD \uc2dc\uc2a4\ud15c \uc124\uacc4\uc5d0 \ub300\ud574\uc11c\ub294 SYNODE\uc758 \uae30\uc220 \ud300\uc5d0 \ubb38\uc758\ud558\uc2ed\uc2dc\uc624. IEC 62305-2\uc5d0 \ub530\ub77c \uc0c1\uc138\ud55c \uacc4\uc0b0\uc744 \uc81c\uacf5\ud558\uace0, \uc2dc\uc2a4\ud15c \ud1a0\ud3f4\ub85c\uc9c0\uc5d0 \uc801\ud569\ud55c \ubcf4\ud638 \uc7a5\uce58\ub97c \uc9c0\uc815\ud558\uace0, \uae30\uc874 \uacfc\uc804\ub958 \ubcf4\ud638 \ubc0f \uc811\uc9c0 \uc2dc\uc2a4\ud15c\uacfc\uc758 \uc801\uc808\ud55c \uc870\uc815\uc744 \ubcf4\uc7a5\ud558\uc5ec \uc7a5\uae30\uc801\uc778 \uc2e0\ub8b0\uc131\uc744 \uc720\uc9c0\ud558\uba74\uc11c \uc7a5\ube44 \ubcf4\ud638\ub97c \uadf9\ub300\ud654\ud569\ub2c8\ub2e4.<\/p>\n

\ub9c8\uc9c0\ub9c9 \uc5c5\ub370\uc774\ud2b8:<\/strong> 2025\ub144 10\uc6d4
\n\uc791\uc131\uc790:<\/strong> SYNODE \uae30\uc220\ud300
\n\uac80\ud1a0\uc790\uac00 \uac80\ud1a0\ud588\uc2b5\ub2c8\ub2e4:<\/strong> \uc804\uae30 \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> PV \uc11c\uc9c0 \ubcf4\ud638<\/p>\n

URL \uc2ac\ub7ec\uadf8:<\/strong> PV-\uc11c\uc9c0-\ubcf4\ud638-\uc2dc\uc2a4\ud15c-\uc124\uacc4-\ub099\ub8b0-\uc704\ud5d8<\/p>\n

\uba54\ud0c0 \uc81c\ubaa9:<\/strong> PV \uc11c\uc9c0 \ubcf4\ud638 \uc2dc\uc2a4\ud15c \uc124\uacc4: \ub099\ub8b0 \uc704\ud5d8 \ud3c9\uac00 \uac00\uc774\ub4dc 2025<\/p>\n

\uba54\ud0c0 \uc124\uba85:<\/strong> \ud0dc\uc591\uad11 \uc124\uce58\ub97c \uc704\ud55c IEC 62305 \ub099\ub8b0 \uc704\ud5d8 \ud3c9\uac00, SPD \uc870\uc815 \ubc0f \ub2e4\uce35 \ubcf4\ud638 \uc804\ub7b5\uc744 \ub2e4\ub8e8\ub294 \uc644\ubcbd\ud55c \ud0dc\uc591\uad11 \uc11c\uc9c0 \ubcf4\ud638 \uc2dc\uc2a4\ud15c \uc124\uacc4 \uac00\uc774\ub4dc\uc785\ub2c8\ub2e4.<\/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

PV \uc11c\uc9c0 \ubcf4\ud638 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc720\ud615 1, \uc720\ud615 2 \ubc0f \uc720\ud615 3 SPD\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n
\n

\uc720\ud615 1, \uc720\ud615 2 \ubc0f \uc720\ud615 3 SPD\ub294 \uc8fc\ub85c \uc5d0\ub108\uc9c0 \ucc98\ub9ac \uc6a9\ub7c9, \uc804\uc555 \ubcf4\ud638 \uc218\uc900 \ubc0f \uc124\uce58 \uc704\uce58\uac00 \ub2e4\ub985\ub2c8\ub2e4. \uc720\ud615 1 SPD\ub294 \ucd5c\ub300 25kA(10\/350\u03bcs)\uc758 \uc784\ud384\uc2a4 \uc804\ub958\ub85c \uc9c1\uc811 \ub099\ub8b0\ub97c \ucc98\ub9ac\ud558\uba70 \uc678\ubd80 LPS \ub3c4\uccb4\uac00 \uad6c\uc870\ubb3c\uc5d0 \ub4e4\uc5b4\uac00\ub294 \uacf3\uc5d0 \uc124\uce58\ud569\ub2c8\ub2e4. \uc720\ud615 2 SPD\ub294 20-40kA \ubc29\uc804 \uc6a9\ub7c9(8\/20\u03bcs)\uc73c\ub85c \uc720\ub3c4 \uc11c\uc9c0\ub85c\ubd80\ud130 \ubcf4\ud638\ud558\uba70 \uc778\ubc84\ud130 \uc785\ub825\uc5d0 1\ucc28 \ubcf4\ud638 \uacc4\uce35\uc73c\ub85c \uc124\uce58\ud569\ub2c8\ub2e4. \uc720\ud615 3 SPD\ub294 \uc6a9\ub7c9\uc774 5kA\uc774\uc9c0\ub9cc \uc804\uc555 \ubcf4\ud638 \uc218\uc900\uc774 \uac00\uc7a5 \ub0ae\uc740 (\u22641.5kV) \ubbfc\uac10\ud55c \uc804\uc790 \uc7a5\uce58\ub97c \ucd5c\uc885\uc801\uc73c\ub85c \ubcf4\ud638\ud569\ub2c8\ub2e4. \ub808\uc774\uc5b4 \uac04\uc758 \uc801\uc808\ud55c \uc870\uc815\uc744 \ud1b5\ud574 \uc5c5\uc2a4\ud2b8\ub9bc \uc7a5\uce58\ub294 \uace0\uc5d0\ub108\uc9c0 \uc11c\uc9c0\ub97c \ucc98\ub9ac\ud558\uace0 \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \uc7a5\uce58\ub294 \ub354 \uc5c4\uaca9\ud55c \uc804\uc555 \ud074\ub7a8\ud551\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<\/div>\n<\/div>\n

\n

DC \uce21 SPD\uc5d0 \ud544\uc694\ud55c \uc5f0\uc18d \uc791\ub3d9 \uc804\uc555 \uc815\uaca9\uc744 \uc5b4\ub5bb\uac8c \uacc4\uc0b0\ud569\ub2c8\uae4c?<\/h3>\n
\n

\uba3c\uc800 \ucd5c\uc545\uc758 \uc800\uc628 \uc870\uac74\uc5d0\uc11c \ucd5c\ub300 \uc5b4\ub808\uc774 \uac1c\ubc29 \ud68c\ub85c \uc804\uc555\uc744 \uacb0\uc815\ud558\uc5ec SPD\uc758 \uc5f0\uc18d \uc791\ub3d9 \uc804\uc555(U_c)\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. \ub2e4\uc74c \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4: V_oc_max = V_oc_STC \u00d7 (1 + \u03b1_V \u00d7 \u0394T, \uc5ec\uae30\uc11c \u03b1_V\ub294 \uc628\ub3c4 \uacc4\uc218(\uc77c\ubc18\uc801\uc73c\ub85c -0.3%\/\u00b0C)\uc774\uace0 \u0394T\ub294 STC\uc640\uc758 \uc628\ub3c4 \ucc28\uc774(\uc77c\ubc18\uc801\uc73c\ub85c -65\u00b0C \ucd5c\uc18c \uc8fc\ubcc0 \uc628\ub3c4\uc778 \uacbd\uc6b0 -40\u00b0C)\uc785\ub2c8\ub2e4.) \ucd5c\uc18c SPD \uc815\uaca9\uc740 U_c \u22651.4 \u00d7 V_oc_max\uc5ec\uc57c \ud569\ub2c8\ub2e4. 1.4\u00d7 \uc548\uc804 \uacc4\uc218\ub294 \uc77c\uc2dc\uc801\uc778 \uacfc\uc804\uc555 \ubc0f SPD \ub178\ud654\ub97c \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n<\/div>\n<\/div>\n

\n

\ub2e4\uc591\ud55c \uc2dc\uc2a4\ud15c \uad6c\uc131\uc5d0\uc11c \uc720\ud615 2 SPD\uc5d0 \ud544\uc694\ud55c \ubc29\uc804 \uc804\ub958 \uc6a9\ub7c9\uc740 \uc5bc\ub9c8\uc785\ub2c8\uae4c?<\/h3>\n
\n

\uc2a4\ud2b8\ub9c1 \uc778\ubc84\ud130 \uc2dc\uc2a4\ud15c\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc9c0\uc5ed \ub099\ub8b0 \ubc00\ub3c4\uc5d0 \ub530\ub77c \uc778\ubc84\ud130 \uc785\ub825\ub2f9 20~40kA(8\/20\u03bcs)\uc758 \ubc29\uc804 \uc6a9\ub7c9\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. 4~8\uac1c\uc758 \ubcd1\ub82c \uc2a4\ud2b8\ub9c1\uc5d0 \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud558\ub294 \uc2a4\ud2b8\ub9c1 \ucef4\ubc14\uc774\ub108\uac00 \uc788\ub294 \ub099\ub8b0 \ubc00\ub3c4\uac00 \ub192\uc740 \uc9c0\uc5ed(N_g > 6\ud68c\/km\u00b2\/\ub144)\uc5d0\uc11c\ub294 \ucd5c\uc18c 40kA\ub97c \uc9c0\uc815\ud569\ub2c8\ub2e4. \uc911\uc559 \uc778\ubc84\ud130 \uc2dc\uc2a4\ud15c\uc740 20~50\uac1c\uc758 \ubcd1\ub82c \uc2a4\ud2b8\ub9c1\uc5d0\uc11c \uc9d1\uc911\ub41c \uc11c\uc9c0 \uc5d0\ub108\uc9c0\ub85c \uc778\ud574 \uba54\uc778 DC \ucef4\ubc14\uc774\ub108\uc5d0\uc11c 60~80kA\ub97c \uc694\uad6c\ud569\ub2c8\ub2e4. \uc911\uc559 \uc2dc\uc2a4\ud15c\uc5d0\ub294 25kA \uc784\ud384\uc2a4 \uc804\ub958(10\/350 \u03bcs)\uc640 60-80kA \ubc29\uc804(8\/20 \u03bcs)\uc744 \uacb0\ud569\ud55c \uc720\ud615 1+2 \ud558\uc774\ube0c\ub9ac\ub4dc SPD\ub97c \uc0ac\uc6a9\ud558\uc138\uc694.<\/p>\n<\/div>\n<\/div>\n

\n

\ubd84\uc0b0\ud615 \ud0dc\uc591\uad11 \uc5b4\ub808\uc774\uc5d0\uc11c \uc811\uc9c0 \ub8e8\ud504\ub97c \ubc29\uc9c0\ud558\ub824\uba74 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud558\ub098\uc694?<\/h3>\n
\n

\uc911\uac04 \uc9c0\uc810\uc5d0\uc11c \uc0c1\ud638 \uc5f0\uacb0\ub418\uc9c0 \uc54a\ub294 \uc804\uc6a9 \ub3c4\uccb4\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubaa8\ub4e0 SPD \ubc0f \uc7a5\ube44\uac00 \uc778\ubc84\ud130 \uc704\uce58\uc758 \uc911\uc559 \uc811\uc9c0 \ubc84\uc2a4\uc5d0 \uc5f0\uacb0\ub418\ub294 \ub2e8\uc77c \uc9c0\uc810 \uc811\uc9c0 \ud1a0\ud3f4\ub85c\uc9c0\ub97c \uad6c\ud604\ud558\uc5ec \uc811\uc9c0 \ub8e8\ud504\ub97c \ubc29\uc9c0\ud569\ub2c8\ub2e4. 50m\ub97c \ucd08\uacfc\ud558\ub294 \ubd84\uc0b0 \uc5b4\ub808\uc774\uc758 \uacbd\uc6b0, \uac01\uac01 \uc5ec\ub7ec \ubcd1\ub82c 10AWG \ubcf8\ub529 \ub3c4\uccb4\ub97c \ud1b5\ud574 \uc0c1\ud638 \uc5f0\uacb0\ub41c \ubb34\uac70\uc6b4 \uad6c\ub9ac \uc811\uc9c0 \ubc84\uc2a4(\ucd5c\uc18c 100mm\u00b2)\ub97c \uc0ac\uc6a9\ud558\uc5ec \ucd5c\ub300 30-50m\uc758 \ub4f1\uc804\uc704 \ubcf8\ub529 \uc601\uc5ed\uc744 \ub9cc\ub4ed\ub2c8\ub2e4. \ubaa8\ub4e0 \uc811\uc9c0 \uc804\uadf9\uc774 \uba54\uc2dc \uad6c\uc131\uc73c\ub85c \uc0c1\ud638 \uc5f0\uacb0\ub418\uace0 \uc778\ubc84\ud130\uc5d0\uc11c AC \ubc0f DC \uc811\uc9c0 \uc2dc\uc2a4\ud15c\uc744 \ud568\uaed8 \ubcf8\ub529\ud558\ub294\uc9c0 \ud655\uc778\ud558\uc138\uc694.<\/p>\n<\/div>\n<\/div>\n

\n

\uc678\ubd80 \ub099\ub8b0 \ubcf4\ud638 \uc2dc\uc2a4\ud15c \ud1b5\ud569\uc740 \uc5b8\uc81c \ud544\uc694\ud558\ub098\uc694?<\/h3>\n
\n

IEC 62305-2 \uc704\ud5d8 \ud3c9\uac00\uc5d0\uc11c \ud5c8\uc6a9\ud560 \uc218 \uc5c6\ub294 \uc9c1\uc811 \ud0c0\uaca9 \ud655\ub960\uc774 \ud655\uc778\ub418\uba74 \uc678\ubd80 LPS\uac00 \ud544\uc694\ud558\uba70, \uc77c\ubc18\uc801\uc73c\ub85c N_g\uac00 4\uc2a4\ud2b8\ub77c\uc774\ud06c\/km\u00b2\/\ub144 \uc774\uc0c1\uc778 \uc9c0\uc5ed\uc5d0\uc11c \ub192\uc774 8-10m\ub97c \ucd08\uacfc\ud558\ub294 \uc5b4\ub808\uc774\uc5d0 \uc694\uad6c\ub429\ub2c8\ub2e4. \uc5f0\uac04 \uc9c1\uc811 \ucda9\ub3cc\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4: N_D = N_g \u00d7 A_D \u00d7 C_D \u00d7 10^-6. N_D > 0.05(20\ub144\uc5d0 \ud55c \ubc88 \uc774\uc0c1 \ud30c\uc5c5\uc774 \uc608\uc0c1\ub428)\uc778 \uacbd\uc6b0, $500,000 \uc774\uc0c1\uc758 \uc124\uce58\uc5d0 \ub300\ud574 \uc678\ubd80 LPS\uac00 \uacbd\uc81c\uc801\uc73c\ub85c \uc815\ub2f9\ud558\ub2e4\ub294 \uac83\uc774 \uc785\uc99d\ub429\ub2c8\ub2e4. \ud1b5\ud569\uc5d0\ub294 LPS\uac00 \uc811\uc9c0 \uc2dc\uc2a4\ud15c\uc5d0 \uacb0\ud569\ud558\ub294 \uc804\uae30 \uc778\ud130\ud398\uc774\uc2a4\uc5d0 \uc720\ud615 1 SPD(I_imp = \ucd5c\uc18c 25kA)\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<\/div>\n<\/div>\n

\n

\uc9c0\uc18d\uc801\uc778 SPD \ubcf4\ud638 \ud6a8\uacfc\ub97c \ubcf4\uc7a5\ud558\ub294 \uc720\uc9c0 \uad00\ub9ac \ud14c\uc2a4\ud2b8\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n
\n

\ubd84\uae30\ubcc4 \uc721\uc548 \uac80\uc0ac \ubc0f \uc5f0\uac04 \uc804\uae30 \ud14c\uc2a4\ud2b8\ub97c \uc2e4\uc2dc\ud569\ub2c8\ub2e4. \uc5f0\uac04 \ud14c\uc2a4\ud2b8\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4: \uc815\uaca9 \uc804\uc555\uc5d0\uc11c \ub204\uc124 \uc804\ub958 \uce21\uc815(\uae30\uc900\uc120 <1 ma, replace if>5mA \ub610\ub294 50% \uc99d\uac00), \uc811\uc9c0 \uc5f0\uacb0 \uc800\ud56d \ud14c\uc2a4\ud2b8().1M\u03a9), SPD\uac00 \uc5f0\uacb0\ub41c \uc0c1\ud0dc\uc5d0\uc11c \uadf9 \ub300 \uc811\uc9c0 \uc800\ud56d \uce21\uc815(>100k\u03a9). \ucd94\uc138 \ubd84\uc11d\uc744 \uc704\ud574 \uce21\uc815\uac12\uc744 \ubb38\uc11c\ud654\ud558\uc138\uc694. \uc2ec\uac01\ud55c \ub099\ub8b0\uac00 \ubc1c\uc0dd\ud55c \ud6c4 \uc989\uc2dc SPD\ub97c \uad50\uccb4\ud558\uc138\uc694. \ud14c\uc2a4\ud2b8 \uacb0\uacfc\uc5d0 \uad00\uacc4\uc5c6\uc774 \uc720\ud615 2 SPD\uc5d0 \ub300\ud574 \ucd5c\ub300 10\ub144\uc758 \uad50\uccb4 \uc8fc\uae30\ub97c \uad6c\ud604\ud569\ub2c8\ub2e4.<\/p>\n<\/div>\n<\/div>\n

\n

\ud0dc\uc591\uad11 \uc11c\uc9c0 \ubcf4\ud638\ub97c \uc720\ud2f8\ub9ac\ud2f0 \uc0c1\ud638 \uc5f0\uacb0 \uc694\uad6c \uc0ac\ud56d\uacfc \uc5b4\ub5bb\uac8c \uc870\uc815\ud558\ub098\uc694?<\/h3>\n
\n

\ub2e4\uc74c\uc744 \uc0ac\uc6a9\ud558\uc5ec MOV \uae30\ubc18 \uc7a5\uce58\ub97c \uc9c0\uc815\ud558\uc5ec AC \uce21 SPD\uac00 \uc548\ud2f0 \uc544\uc77c\ub79c\ub529 \uac10\uc9c0\ub97c \ubc29\ud574\ud558\uc9c0 \uc54a\ub3c4\ub85d \ud569\ub2c8\ub2e4. <100 pf capacitance and>\uacf5\uce6d \uc804\uc555\uc5d0\uc11c 100k\u03a9 \uc800\ud56d. SPD \uc804\uc555 \ubcf4\ud638 \uc218\uc900\uc740 \uc778\ubc84\ud130 \uacfc\uc804\uc555 \ud2b8\ub9bd \uc124\uc815\uacfc \uc870\uc815\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4: Up = 1.5-2.0\u00d7 \uacf5\uce6d \uc804\uc555\uc744 \uc120\ud0dd\ud569\ub2c8\ub2e4. \uc811\uc9c0 \uc624\ub958 \uac10\uc9c0 \ud1b5\ud569\uc744 \uc704\ud574 \ub3c4\uccb4\uc640 \uc811\uc9c0 \uc0ac\uc774\uc5d0 \ub192\uc740 DC \uc800\ud56d(>100k\u03a9)\uc774 \uc788\ub294 SPD\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. SPD \uc124\uce58 \uc2dc \uadf9\uacfc \uc811\uc9c0 \uac04 \uc800\ud56d\uc774 100k\u03a9 \uc774\uc0c1 \uc720\uc9c0\ub418\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. \uae30\uc900\uc120 \ub204\uc124 \uc804\ub958\ub97c \ubb38\uc11c\ud654\ud558\uace0 \uc774 \uae30\uc900\uc120 \uc774\uc0c1\uc73c\ub85c \uc9c0\ub77d \ud2b8\ub9bd \uc784\uacc4\uac12\uc744 \uad6c\uc131\ud558\uc138\uc694.<\/p>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

Introduction PV surge protection system design is a critical engineering discipline that combines lightning physics, risk assessment methodology, and coordinated device selection to protect photovoltaic installations from transient overvoltages. As solar arrays expand in scale and reach higher voltages, systematic protection design becomes essential for ensuring equipment longevity and preventing catastrophic failures. Modern DC SPD […]<\/p>\n","protected":false},"author":1,"featured_media":2769,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[40],"tags":[],"class_list":["post-2787","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\/2787","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=2787"}],"version-history":[{"count":1,"href":"https:\/\/sinobreaker.com\/ko\/wp-json\/wp\/v2\/posts\/2787\/revisions"}],"predecessor-version":[{"id":3312,"href":"https:\/\/sinobreaker.com\/ko\/wp-json\/wp\/v2\/posts\/2787\/revisions\/3312"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sinobreaker.com\/ko\/wp-json\/wp\/v2\/media\/2769"}],"wp:attachment":[{"href":"https:\/\/sinobreaker.com\/ko\/wp-json\/wp\/v2\/media?parent=2787"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sinobreaker.com\/ko\/wp-json\/wp\/v2\/categories?post=2787"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sinobreaker.com\/ko\/wp-json\/wp\/v2\/tags?post=2787"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}