{"id":1730,"date":"2025-09-19T12:43:49","date_gmt":"2025-09-19T12:43:49","guid":{"rendered":"https:\/\/cnkuangya.com\/?p=1730"},"modified":"2026-04-24T16:16:45","modified_gmt":"2026-04-24T08:16:45","slug":"%ec%84%9c%ec%a7%80-%eb%b3%b4%ed%98%b8-%ec%9e%a5%ec%b9%98-%ec%84%a0%ed%83%9d-%eb%b0%a9%eb%b2%95","status":"publish","type":"post","link":"https:\/\/cnkuangya.com\/ko\/blog\/how-to-select-surge-protective-device\/","title":{"rendered":"\uc0b0\uc5c5 \ubc0f \uc7ac\uc0dd \uc5d0\ub108\uc9c0 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc801\ud569\ud55c \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58(SPD)\ub97c \uc120\ud0dd\ud558\ub294 \ubc29\ubc95"},"content":{"rendered":"
\n
\n

\n \uc5c5\ub370\uc774\ud2b8\ub418\uc5c8\uc2b5\ub2c8\ub2e4:

\n \uc62c\ubc14\ub978 \uc120\ud0dd \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58(SPD)<\/strong> \ub294 LV \ubc30\uc804, PV\/ESS, EV \ucda9\uc804 \ubc0f \uc0b0\uc5c5 \uc790\ub3d9\ud654 \ubd84\uc57c\uc5d0\uc11c \uac00\uc7a5 \ub192\uc740 ROI\ub97c \ub2ec\uc131\ud558\ub294 \uacb0\uc815 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4.\n \uc774 \uac00\uc774\ub4dc\ub294 \ud45c\uc900 \uc911\uc2ec<\/em> \uae30\uc900(IEC\/UL\/NEC), \ubc30\uce58 \uaddc\uce59 \ubc0f \ub450 \uac00\uc9c0 \ubaa8\ub450\uc5d0 \ub300\ud55c BOM \ud301 AC<\/strong> \ubc0f DC<\/strong> \uc2dc\uc2a4\ud15c.\n \ucc38\uc870 \ucc38\uc870 \ud45c<\/a> \ubc0f \ucd9c\ucc98<\/a> \ub97c \uc785\ub825\ud569\ub2c8\ub2e4.\n <\/p>\n

\n AC SPD - \uc120\ud0dd\uae30 \ubc0f \uac00\uc774\ub4dc<\/a>\n DC SPD - PV\/ESS<\/a>\n PV \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4<\/a>\n DC \ud4e8\uc988(gPV)<\/a>\n \ucfe0\uc559\uc57c\uc5d0 \ubb38\uc758<\/a>\n <\/div>\n <\/div>\n<\/section>\n\n\n\n
\n \n

1) SPD \ud22c\uc790\uac00 \uc131\uacfc\ub97c \ub0b4\ub294 \uc774\uc720<\/h2>\n

\n \uacc4\ud68d\ub418\uc9c0 \uc54a\uc740 \ub2e4\uc6b4\ud0c0\uc784\uc740 \uc885\uc885 \ub2e4\uc74c\uacfc \uac19\uc740 \ube44\uc6a9\uc744 \ucd08\ub798\ud569\ub2c8\ub2e4. \uc2dc\uac04\ub2f9 100\ub9cc~5\ubc31\ub9cc \ub2ec\ub7ec<\/strong>\uc2ec\uac01\ud55c \uacbd\uc6b0 \uc811\uadfc USD 300,000\/\ubd84<\/strong>.\n \ubc88\uac1c\/\uc2a4\uc704\uce6d\uc73c\ub85c \uc778\ud55c \uc11c\uc9c0\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. \uc608\uce21 \uac00\ub2a5 \ubc0f \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uac00\ub2a5<\/em>\uc870\uc815\ub41c SPD\ub294 \uace0\uc5d0\ub108\uc9c0 \uc784\ud384\uc2a4\ub97c \ud074\ub7a8\ud551\ud558\uace0 PLC\/VFD\/IT\ub97c \ubcf4\ud638\ud569\ub2c8\ub2e4.\n <\/p>\n\n \n

\n

\n \ubbf8\uad6d\uc758 \ud0d0\uc9c0 \ub124\ud2b8\uc6cc\ud06c\ub294 \ub9e4\ub144 \uc218\ucc9c\ub9cc\uc5d0\uc11c \uc218\uc5b5 \uac74\uc758 \ubc88\uac1c \uc774\ubca4\ud2b8\ub97c \uae30\ub85d\ud558\ub294\ub370, \ud50c\ub85c\ub9ac\ub2e4\uc758 \uacbd\uc6b0 \ubc00\ub3c4 \uba74\uc5d0\uc11c, \ud14d\uc0ac\uc2a4\uc758 \uacbd\uc6b0 \ucd1d\ub7c9 \uba74\uc5d0\uc11c \uc120\ub450\ub97c \ub2ec\ub9ac\uace0 \uc788\uc2b5\ub2c8\ub2e4.\n \uc9c0\ub9ac\uc801 \uc778\uc2dd \uc0ac\uc591(\u00a78 \ucc38\uc870)\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub354 \ub192\uc740 \uc0ac\uc591\uc744 \uc815\ub2f9\ud654\ud569\ub2c8\ub2e4. Iimp\/In<\/strong> \ub4f1\uae09.\n <\/p>\n <\/div>\n\n \n

\n
\n \"\ub77c\uc774\ud2b8\ub2dd\n <\/div>\n
\n <\/figcaption>\n <\/figure>\n<\/section>\n\n\n\n
\n

2) \ud45c\uc900 \ud658\uacbd(IEC\/UL\/NEC)<\/h2>\n

\n IEC 61643\uc740 \uc131\ub2a5 \ubc0f \ud30c\ud615\uc744 \uc815\uc758\ud558\uace0, UL 1449\ub294 \ubd81\ubbf8 \uc9c0\uc5ed\uc758 \uc548\uc804\/\uaddc\uc815\uc744 \ub098\uc5f4\ud558\uba70, NEC 2023 \uc81c242\uc870\ub294 \uc5ec\ub7ec \uc0c1\ud669\uc5d0\uc11c \uc0ac\uc6a9\uc744 \uc758\ubb34\ud654\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n

\n
\n

IEC 61643<\/h3>\n

\n \uc720\ud615 1: 10\/350 \u03bcs<\/strong> (Iimp<\/em>) - \uc720\ud615 2: 8\/20 \u03bcs<\/strong> (In\/Imax<\/em>) - \uc720\ud615 3: \uc870\ud569 (Uoc<\/em>).\n PV\/DC: IEC 61643-31<\/strong> \u22641500VDC.\n <\/p>\n

\n IEC \uc6f9 \uc2a4\ud1a0\uc5b4<\/a>\n <\/p>\n <\/div>\n

\n

UL 1449<\/h3>\n

\uc601\uad6c\uc801\uc73c\ub85c \uc5f0\uacb0\ub41c SPD\uc5d0 \ub300\ud55c UL \ub4f1\uc7ac, 4\ucc28 \uac1c\uc815\ud310(2016) \uac1c\uc120\ub41c \ud45c\uc2dc.<\/p>\n

\n Intertek<\/a> -\n \uc288\ub098\uc774\ub354 PDF<\/a>\n <\/p>\n <\/div>\n

\n

NEC 2023<\/h3>\n

\uae30\uc0ac 242<\/strong> \uacfc\uc804\uc555 \ubcf4\ud638\ub97c \uad00\ub9ac\ud569\ub2c8\ub2e4. \ub9ac\uc2a4\ud305 \ubc0f \ubc30\uce58 \uaddc\uce59\uc744 \ub530\ub974\uc138\uc694.<\/p>\n

\n NFPA 70<\/a>\n <\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n\n

\n

3) SPD \"\uc720\ud615\" \ub300 \ud14c\uc2a4\ud2b8 \ud30c\ud615 \ub514\ucf54\ub529<\/h2>\n

\n \ub178\ucd9c \ubc0f \ubcf4\ub4dc \uacc4\uce35 \uad6c\uc870\ubcc4 \uc720\ud615 \uc120\ud0dd, \uc88c\ud45c \uc794\ub958 \uc804\uc555(Up<\/em>)\ub97c \uc5ec\ub7ec \ub2e8\uacc4\uc5d0 \uac78\uccd0 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.\n <\/p>\n

\n
\n

\uc720\ud615 1(\ud074\ub798\uc2a4 I)<\/h3>\n

\ud14c\uc2a4\ud2b8: 10\/350 \u03bcs<\/strong> (Iimp<\/em>). \uc124\uce58 \uc704\uce58 \uc11c\ube44\uc2a4 \uc785\uad6c<\/strong> LPS\/\uc624\ubc84\ud5e4\ub4dc\uc778 \uacbd\uc6b0<\/p>\n <\/div>\n

\n

\uc720\ud615 2(\ud074\ub798\uc2a4 II)<\/h3>\n

\ud14c\uc2a4\ud2b8: 8\/20 \u03bcs<\/strong> (In\/Imax<\/em>). \uc11c\ube0c\ubcf4\ub4dc \ubc31\ubcf8 \ubcf4\ud638.<\/p>\n <\/div>\n

\n

\uc720\ud615 3(\ud074\ub798\uc2a4 III)<\/h3>\n

\ud14c\uc2a4\ud2b8: \uc870\ud569<\/strong> (Uoc<\/em>). \ubbfc\uac10\ud55c \ubd80\ud558(PLC, VFD, IT)\uc5d0 \uac00\uae5d\uc2b5\ub2c8\ub2e4.<\/p>\n <\/div>\n <\/div>\n \n

\n
\n \"SPD\n <\/div>\n
\n \n <\/figcaption>\n <\/figure>\n

\ud558\uc774\ube0c\ub9ac\ub4dc \uc720\ud615 1+2<\/strong> = \uace0\uc5d0\ub108\uc9c0 + \uc800\uc794\ub958. \uc120\ud0dd\uae30:\n AC<\/a> -\n DC<\/a>\n <\/p>\n<\/section>\n\n\n\n

\n

4) AC \ub300 DC(PV\/ESS) - \ub3d9\uc77c\ud55c \ubb3c\ub9ac\ud559, \ub2e4\ub978 \uc81c\uc57d \uc870\uac74<\/h2>\n

\n AC \uce21<\/strong> (IEC 61643-11 \/ UL 1449): \ub178\ucd9c \ubc0f \ubcf4\ub4dc \uacc4\uce35\ubcc4\ub85c \uc720\ud615 1\/2\/3\uc744 \uc120\ud0dd\ud55c \ub2e4\uc74c \ud06c\uae30\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4. Uc<\/em>, In\/Imax<\/em>, Up<\/em>.\n DC \uce21<\/strong> (IEC 61643-31): \ucd5c\ub300 PV \uc5b4\ub808\uc774 1500 VDC<\/strong> AC \uc7a5\uce58\uc640 \uc628\ub3c4, \uadf9\uc131 \ubc0f \uc5ed\uc804\ub958 \ub3d9\uc791\uc774 \ub2e4\ub978 \uc7a5\uce58\uc785\ub2c8\ub2e4.\n <\/p>\n

\n \ucd5c\uc2e0 BOS, PV \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4<\/a> \uc885\uc885 \ud1b5\ud569 \uc720\ud615 2 DC SPD<\/strong>\ub97c \ud1b5\ud574 \uc778\ud074\ub85c\uc800 \uc218\ub97c \uc904\uc774\uace0 \ud604\uc7a5 \uc791\uc5c5\uc744 \uac04\uc18c\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n

\n \"\ud0dc\uc591\uad11\n
\uc774\ubbf8\uc9c0: \ud0dc\uc591\uad11 \ubc1c\uc804 \ud604\uc7a5(\uc704\ud0a4\ubbf8\ub514\uc5b4 \ucee4\uba3c\uc988, CC BY-SA). IEC 61643-31\uc5d0 \ub530\ub978 \ucef4\ubc14\uc774\ub108 \ubc0f \uc778\ubc84\ud130 DC \uc785\ub825\uc758 SPD\ub97c \uace0\ub824\ud558\uc138\uc694.<\/figcaption>\n <\/figure>\n<\/section>\n\n\n\n
\n

5) \uacc4\uce35\ud654\ub41c \ubcf4\ud638 \"\ub808\uc2dc\ud53c\"<\/h2>\n
    \n
  1. \uc11c\ube44\uc2a4 \uc785\uad6c \/ MSB:<\/strong> \uc720\ud615 1<\/strong> (\ub610\ub294 1+2<\/strong>), \ucda9\ubd84\ud55c Iimp<\/em>\uac00\uc7a5 \uc9e7\uace0 \uc9c1\uc120\uc801\uc778 \uc9c0\uad6c \uacbd\ub85c.<\/li>\n
  2. \ud558\uc704 \ubc30\ud3ec \ubcf4\ub4dc:<\/strong> \uc720\ud615 2<\/strong> \ubd84\uae30 \uacb0\ud568 \uc218\uc900 \ubc0f \ucf00\uc774\ube14 \uae38\uc774\uc5d0 \ub9de\ub294 \ud06c\uae30, \uc88c\ud45c Up<\/em> MSB \uc2a4\ud14c\uc774\uc9c0\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n
  3. \ubbfc\uac10\ud55c \uc5d4\ub4dc\ud3ec\uc778\ud2b8:<\/strong> \uc720\ud615 3<\/strong> \uc7a5\uce58 \uc778\ub81b(PLC, VFD, \uc11c\ubc84) \uadfc\ucc98.<\/li>\n <\/ol>\n

    \uc774 \uce90\uc2a4\ucf00\uc774\ub4dc\ub294 IEC 60364-5-53 \uc120\ud0dd\/\uc124\ub9bd \uc6d0\uce59\uacfc \uc77c\ubc18\uc801\uc778 \uc81c\uc870\uc5c5\uccb4 \uc9c0\uce68\uc744 \ubc18\uc601\ud569\ub2c8\ub2e4.<\/p>\n<\/section>\n\n\n\n

    \n

    6) 9\uac00\uc9c0 \ud06c\uae30 \uc870\uc815 \uccb4\ud06c\ub9ac\uc2a4\ud2b8<\/h2>\n
    \n