{"id":45334,"date":"2024-02-23T11:06:50","date_gmt":"2024-02-23T11:06:50","guid":{"rendered":"https:\/\/www.kdmsteel.com\/?p=45334"},"modified":"2024-02-23T11:06:50","modified_gmt":"2024-02-23T11:06:50","slug":"dc-surge-protective-device","status":"publish","type":"post","link":"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/","title":{"rendered":"DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58"},"content":{"rendered":"<p>DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\ub294 DC \uc804\uc6d0 \uc2dc\uc2a4\ud15c \ubc0f \uc7a5\ube44\ub97c \uac11\uc791\uc2a4\ub7ec\uc6b4 \uc804\uc555 \uc2a4\ud30c\uc774\ud06c \ub610\ub294 \uc11c\uc9c0\ub85c\ubd80\ud130 \ubcf4\ud638\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. DC SPD\ub294 \uc804\uc555 \uc11c\uc9c0\ub97c \uc5b5\uc81c\ud558\uac70\ub098 \uc804\ud658\ud558\uc5ec \ubbfc\uac10\ud55c \uc804\uc790 \ubd80\ud488\uc758 \uc190\uc0c1, \uc2dc\uc2a4\ud15c \uc624\ub958, \uc2ec\uc9c0\uc5b4 \ub370\uc774\ud130 \uc190\uc2e4\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\ubaa9\ucc28<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\ubaa9\ucc28 \ud1a0\uae00\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\ube44\ub140\uc7a5<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Working_Principle\" >\uc791\ub3d9 \uc6d0\ub9ac<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Surge_Detection\" >\uc11c\uc9c0 \uac10\uc9c0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Voltage_Clamping\" >\uc804\uc555 \ud074\ub7a8\ud551<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Energy_Absorption\" >\uc5d0\ub108\uc9c0 \ud761\uc218<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Classification_of_DC_SPD\" >DC SPD\uc758 \ubd84\ub958<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Automotive_SPDs\" >\uc790\ub3d9\ucc28\uc6a9 SPD<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#DC_SPDs_with_Metal_Oxide_Varistors_MOVs\" >\uae08\uc18d\uc0b0\ud654\ubb3c \ubc30\ub9ac\uc2a4\ud130(MOV)\ub97c \uac16\ucd98 DC SPD<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#DC_SPDs_with_Gas_Discharge_Tubes_GDTs\" >\uac00\uc2a4 \ubc29\uc804\uad00(GDT)\uc774 \uc788\ub294 DC SPD<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#DC_SPDs_with_Silicon_Avalanche_Diodes_SADs\" >\uc2e4\ub9ac\ucf58 \uc560\ubc8c\ub79c\uce58 \ub2e4\uc774\uc624\ub4dc(SAD)\ub97c \uac16\ucd98 DC SPD<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Hybrid_Surge_Protective_Device\" >\ud558\uc774\ube0c\ub9ac\ub4dc \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Photovoltaic_Surge_Protectors\" >\ud0dc\uc591\uad11 \uc11c\uc9c0 \ubcf4\ud638\uae30<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Features_of_DC_SPD\" >DC SPD\uc758 \ud2b9\uc9d5<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Voltage_Rating\" >\uc804\uc555 \uc815\uaca9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Clamping_Voltage\" >\ud074\ub7a8\ud551 \uc804\uc555<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Surge_Current_Handling\" >\uc11c\uc9c0 \uc804\ub958 \ucc98\ub9ac<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Response_Time\" >\uc751\ub2f5 \uc2dc\uac04<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Comparing_DC_SPD_with_AC_SPD\" >DC SPD\uc640 AC SPD \ube44\uad50<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Frequency_Handling\" >\uc8fc\ud30c\uc218 \ucc98\ub9ac<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Polarity_Sensitivity\" >\uadf9\uc131 \uac10\ub3c4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Surge_Detection_and_Clamping\" >\uc11c\uc9c0 \uac10\uc9c0 \ubc0f \ud074\ub7a8\ud551<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Voltage_Ratings\" >\uc804\uc555 \uc815\uaca9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Voltage_Type\" >\uc804\uc555 \uc720\ud615<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Main_Parameters_of_DC_SPD\" >DC SPD\uc758 \uc8fc\uc694 \ub9e4\uac1c\ubcc0\uc218<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Primary_Components_in_a_DC_SPD\" >DC SPD\uc758 \uae30\ubcf8 \uad6c\uc131 \uc694\uc18c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Advantages_of_using_a_DC_SPD\" >DC SPD \uc0ac\uc6a9\uc758 \uc7a5\uc810<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Factors_to_Consider_When_Selecting_a_SPD\" >SPD \uc120\ud0dd \uc2dc \uace0\ub824\ud574\uc57c \ud560 \uc694\uc18c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Installing_a_DC_SPD\" >DC SPD \uc124\uce58<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Testing_a_DC_Surge_Protective_Device\" >DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58 \ud14c\uc2a4\ud2b8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Standards_Used_For_DC_SPD\" >DC SPD\uc5d0 \uc0ac\uc6a9\ub418\ub294 \ud45c\uc900<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/#Applications_of_DC_SPD\" >DC SPD\uc758 \uc751\uc6a9 \ubd84\uc57c<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Working_Principle\"><\/span>\uc791\ub3d9 \uc6d0\ub9ac<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\uc758 \uc801\uc808\ud55c \uc120\ud0dd, \uc124\uce58 \ubc0f \uc720\uc9c0 \uad00\ub9ac\uac00 \ud6a8\uacfc\uc801\uc784\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \ud544\uc694\ud569\ub2c8\ub2e4. <a href=\"https:\/\/www.nemasurge.org\/what-is-spd\/\">\uc804\uc555 \uc11c\uc9c0 \ubcf4\ud638<\/a> DC \uc2dc\uc2a4\ud15c\uc5d0\uc11c. DC SPD\uc758 \uc131\ub2a5 \ud6a8\uacfc\ub294 \uc11c\uc9c0 \uc815\uaca9, \ud074\ub7a8\ud551 \uc804\uc555, \uc751\ub2f5 \uc2dc\uac04 \ubc0f \ud2b9\uc815 \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8\uacfc \uac19\uc740 \uc694\uc18c\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4.<\/p>\n<p>DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\uc758 \uc791\ub3d9 \uc6d0\ub9ac\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<figure id=\"attachment_45335\" aria-describedby=\"caption-attachment-45335\" style=\"width: 620px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45335\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/Figure-1-DC-Surge-protective-device.jpg\" alt=\"DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\" width=\"620\" height=\"429\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/Figure-1-DC-Surge-protective-device.jpg 620w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/Figure-1-DC-Surge-protective-device-150x104.jpg 150w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><figcaption id=\"caption-attachment-45335\" class=\"wp-caption-text\">DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Surge_Detection\"><\/span>\uc11c\uc9c0 \uac10\uc9c0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\ub294 DC \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc815\uaca9\uc744 \ucd08\uacfc\ud558\ub294 \uc804\uc555 \uc11c\uc9c0\ub97c \uac10\uc9c0\ud569\ub2c8\ub2e4. \uc774 \uc7a5\uce58\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc11c\uc9c0\ub97c \uac10\uc9c0\ud558\uae30 \uc704\ud55c \ud2b9\uc218 \ud68c\ub85c\ub97c \ud65c\uc6a9\ud558\uc5ec \uc804\uc555 \ub808\ubca8\uc744 \ubaa8\ub2c8\ud130\ub9c1\ud569\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Voltage_Clamping\"><\/span>\uc804\uc555 \ud074\ub7a8\ud551<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\ub294 \uae08\uc18d \uc0b0\ud654\ubb3c \ubc30\ub9ac\uc2a4\ud130(MOV) \ub610\ub294 \uac00\uc2a4 \ubc29\uc804\uad00(GDT)\uacfc \uac19\uc740 \uad6c\uc131 \uc694\uc18c\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc804\uc555 \ud074\ub7a8\ud551\uc744 \ub2ec\uc131\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uad6c\uc131 \uc694\uc18c\ub294 \uc815\uc0c1 \ud55c\uacc4 \ub0b4\uc5d0\uc11c \uc804\uc555\uc5d0 \ub300\ud55c \ub192\uc740 \uc800\ud56d\uc744 \ud45c\uc2dc\ud558\uc5ec \uc815\uc0c1\uc801\uc778 \uc804\ub958 \ud750\ub984\uc744 \ud5c8\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<p>\uadf8\ub7fc\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0 \uc784\uacc4\uac12\uc744 \ub118\ub294 \uc804\uc555 \uc11c\uc9c0\ub294 \uad6c\uc131 \uc694\uc18c\uc758 \uc800\ud56d\uc744 \ud06c\uac8c \uac10\uc18c\uc2dc\ucf1c \uc11c\uc9c0 \uc804\ub958\uc5d0 \ub300\ud55c \uc800\uc784\ud53c\ub358\uc2a4 \uacbd\ub85c\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uc804\uc555\uc774 \uc11c\uc9c0\ub85c \uac04\uc8fc\ub418\ub294 \uc784\uacc4\uac12\uc744 \ud074\ub7a8\ud551 \uc804\uc555 \ub610\ub294 \ub81b\uc2a4\ub8e8 \uc804\uc555\uc774\ub77c\uace0 \ud569\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Energy_Absorption\"><\/span>\uc5d0\ub108\uc9c0 \ud761\uc218<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\uc758 \uc8fc\uc694 \uad6c\uc131 \uc694\uc18c\ub294 \uc804\uc555 \uc11c\uc9c0\uac00 \uc7a5\uce58\ub97c \ud1b5\ud574 \uc804\ud658\ub420 \ub54c \uacfc\ub3c4\ud55c \uc5d0\ub108\uc9c0\ub97c \ud761\uc218\ud569\ub2c8\ub2e4. \uae08\uc18d \uc0b0\ud654\ubb3c \ubc30\ub9ac\uc2a4\ud130(MOV)\uc758 \uc124\uacc4\ub294 \uace0\uc804\uc555\uc5d0\uc11c \ud30c\uad34\ub418\uc5b4 \uc11c\uc9c0\ub97c \uc5f4\ub85c \uc18c\uc0b0\ud558\ub3c4\ub85d \ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<figure id=\"attachment_45336\" aria-describedby=\"caption-attachment-45336\" style=\"width: 618px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45336\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-2-DC-surge-protective-working-principle.jpg\" alt=\"DC \uc11c\uc9c0 \ubcf4\ud638 \uc791\ub3d9 \uc6d0\ub9ac\" width=\"618\" height=\"408\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-2-DC-surge-protective-working-principle.jpg 618w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-2-DC-surge-protective-working-principle-150x99.jpg 150w\" sizes=\"auto, (max-width: 618px) 100vw, 618px\" \/><figcaption id=\"caption-attachment-45336\" class=\"wp-caption-text\">DC \uc11c\uc9c0 \ubcf4\ud638 \uc791\ub3d9 \uc6d0\ub9ac<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Classification_of_DC_SPD\"><\/span>DC SPD\uc758 \ubd84\ub958<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\ub97c \uad6c\uc131\uc5d0 \ub530\ub77c \ubd84\ub958\ud558\uace0 \uacf5\ud1b5 \uae30\uc900\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \ub2e4\uc591\ud55c \ubc29\ubc95\uc774 \uc788\uc2b5\ub2c8\ub2e4. DC SPD\ub97c \ubd84\ub958\ud558\ub294 \uc77c\ubc18\uc801\uc778 \ubc29\ubc95\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uc8fc\uc694 \uad6c\uc131 \uc694\uc18c\ub97c \uae30\ubc18\uc73c\ub85c \ud569\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Automotive_SPDs\"><\/span>\uc790\ub3d9\ucc28\uc6a9 SPD<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\uc790\ub3d9\ucc28 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\ub294 \ucc28\ub7c9\uc758 \uc804\uc790 \uc2dc\uc2a4\ud15c \ubc0f \uad6c\uc131 \uc694\uc18c\ub97c \ud30c\uad34\uc801\uc778 \uacfc\ub3c4 \uc804\ub958 \ubc0f \uc804\uc555 \uc11c\uc9c0\ub85c\ubd80\ud130 \ubcf4\ud638\ud569\ub2c8\ub2e4. \uc774\ub294 EMI, \ubd80\ud558 \ub364\ud551 \ubc0f \uc720\ub3c4\uc131 \ud0a5\ubc31\uc73c\ub85c \uc778\ud574 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"DC_SPDs_with_Metal_Oxide_Varistors_MOVs\"><\/span>\uae08\uc18d\uc0b0\ud654\ubb3c \ubc30\ub9ac\uc2a4\ud130(MOV)\ub97c \uac16\ucd98 DC SPD<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>MOV\ub294 \uc11c\uc9c0\ub97c \ubd84\uc0b0\uc2dc\ucf1c \uc7a5\ube44 \ubcf4\ud638\ub97c \uc704\ud55c \uc804\uc555 \ud074\ub7a8\ud551 \ubc0f \uc5d0\ub108\uc9c0 \ud761\uc218 \uae30\ub2a5\uc744 \uc81c\uacf5\ud558\ub294 DC SPD\uc758 \uc77c\ubc18\uc801\uc778 \uad6c\uc131 \uc694\uc18c\uc785\ub2c8\ub2e4. DC \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub530\ub77c \uae08\uc18d \uc0b0\ud654\ubb3c \ubc14\ub9ac\uc2a4\ud130\ub97c \uc0ac\uc6a9\ud558\ub294 DC SPD\uc5d0\ub294 \ub2e4\uc591\ud55c \uc804\uc555 \uc815\uaca9 \ubc0f \uad6c\uc131\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"DC_SPDs_with_Gas_Discharge_Tubes_GDTs\"><\/span>\uac00\uc2a4 \ubc29\uc804\uad00(GDT)\uc774 \uc788\ub294 DC SPD<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>GDT\ub294 \ub610\ud55c DCSPD\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \uc11c\uc9c0 \ubcf4\ud638 \uad6c\uc131 \uc694\uc18c\ub85c, \ube60\ub978 \uc751\ub2f5 \uc2dc\uac04\uacfc \ub192\uc740 \uc11c\uc9c0 \uc804\ub958\uc5d0 \ub300\ud55c \ucc98\ub9ac \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c DC SPD\ub294 \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uacfc \uac19\uc740 \uacac\uace0\ud55c \uc11c\uc9c0 \ubcf4\ud638\uac00 \ud544\uc694\ud55c DC \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"DC_SPDs_with_Silicon_Avalanche_Diodes_SADs\"><\/span>\uc2e4\ub9ac\ucf58 \uc560\ubc8c\ub79c\uce58 \ub2e4\uc774\uc624\ub4dc(SAD)\ub97c \uac16\ucd98 DC SPD<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>SAD\ub294 \ub0ae\uc740 \ud074\ub7a8\ud551 \uc804\uc555\uacfc \ube60\ub978 \uc751\ub2f5 \uc2dc\uac04\uc744 \uc81c\uacf5\ud558\uc5ec \uc804\uc555 \uacfc\ub3c4 \ud604\uc0c1\uc73c\ub85c\ubd80\ud130 \ubcf4\ud638\ud558\ub3c4\ub85d \uc124\uacc4\ub41c \ubc18\ub3c4\uccb4 \uc18c\uc790\uc785\ub2c8\ub2e4. SAD \uae30\ubc18 SPD\ub294 \uc815\ubc00\ud55c \uc804\uc555 \ud074\ub7a8\ud551\uacfc \ub0ae\uc740 \ud1b5\uacfc \uc804\uc555\uc774 \ud544\uc694\ud55c \ubbfc\uac10\ud55c \uc804\uc790 \uc7a5\ube44 \ubc0f \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Hybrid_Surge_Protective_Device\"><\/span>\ud558\uc774\ube0c\ub9ac\ub4dc \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\uc774\ub7ec\ud55c \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\ub294 SAD, MOV, GDT\uc640 \uac19\uc740 \uc5ec\ub7ec \uae30\uc220\uc744 \uacb0\ud569\ud558\uc5ec \uacfc\ub3c4 \uc804\ub958\ub85c\ubd80\ud130 \ud5a5\uc0c1\ub41c \ubcf4\ud638 \uc131\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uac1c\ubcc4 \uad6c\uc131 \uc694\uc18c\uc758 \uac15\uc810\uc744 \ud65c\uc6a9\ud558\uc5ec \uad11\ubc94\uc704\ud55c \uacfc\ub3c4 \uc804\ub958 \ubc0f \uc804\uc555 \uc11c\uc9c0\ub85c\ubd80\ud130 \ud3ec\uad04\uc801\uc778 \ubcf4\ud638\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<figure id=\"attachment_45337\" aria-describedby=\"caption-attachment-45337\" style=\"width: 622px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45337\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-3-hybrid-surge-protective-device.jpg\" alt=\"\ud558\uc774\ube0c\ub9ac\ub4dc \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\" width=\"622\" height=\"245\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-3-hybrid-surge-protective-device.jpg 622w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-3-hybrid-surge-protective-device-150x59.jpg 150w\" sizes=\"auto, (max-width: 622px) 100vw, 622px\" \/><figcaption id=\"caption-attachment-45337\" class=\"wp-caption-text\">\ud558\uc774\ube0c\ub9ac\ub4dc \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Photovoltaic_Surge_Protectors\"><\/span>\ud0dc\uc591\uad11 \uc11c\uc9c0 \ubcf4\ud638\uae30<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\uc774\ub7ec\ud55c \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\ub294 \ud0dc\uc591\uad11 \ubc1c\uc804 \uc2dc\uc2a4\ud15c\uc744 \uc804\uae30\uc801 \uad50\ub780\uc73c\ub85c\ubd80\ud130 \ubcf4\ud638\ud558\uae30 \uc704\ud574 \ud2b9\ubcc4\ud788 \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc124\uacc4\ub294 DC\ub85c \uad6c\ub3d9\ub418\ub294 \ud0dc\uc591\uad11 \uc124\ube44\uc758 \uc608\uc678\uc801\uc778 \uc694\uad6c \uc0ac\ud56d\uacfc \ud0dc\uc591\uad11 \ud328\ub110\uc758 \uc548\uc815\uc801\uc778 \uc791\ub3d9\uc744 \ucc98\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<figure id=\"attachment_45338\" aria-describedby=\"caption-attachment-45338\" style=\"width: 658px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45338\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-4-Photovoltaic-surge-protector.jpg\" alt=\"\ud0dc\uc591\uad11 \uc11c\uc9c0 \ubcf4\ud638\uae30\" width=\"658\" height=\"538\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-4-Photovoltaic-surge-protector.jpg 658w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-4-Photovoltaic-surge-protector-150x123.jpg 150w\" sizes=\"auto, (max-width: 658px) 100vw, 658px\" \/><figcaption id=\"caption-attachment-45338\" class=\"wp-caption-text\">\ud0dc\uc591\uad11 \uc11c\uc9c0 \ubcf4\ud638\uae30<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Features_of_DC_SPD\"><\/span>DC SPD\uc758 \ud2b9\uc9d5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\ub97c \uc120\ud0dd\ud560 \ub54c, \uadf8 \uae30\ub2a5\uacfc \uc2dc\uc2a4\ud15c \uc694\uad6c \uc0ac\ud56d\uc744 \uace0\ub824\ud558\ub294 \uac83\uc740 \ud544\uc218\uc801\uc778 \ub2e8\uacc4\uc785\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc120\ud0dd\ud55c \uac83\uc774 \uc791\uc5c5\uc5d0 \uc801\uc808\ud558\uac8c \uc801\ud569\ud55c\uc9c0 \ud655\uc778\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c \uc190\uc0c1 \ubc0f \uac00\ub3d9 \uc911\uc9c0 \uc704\ud5d8\uc744 \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ub2e4\uc591\ud55c \uae30\ub2a5\uc774 DC \uc804\uc6d0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58(SPD) \uc131\ub2a5 \uc5ed\ub7c9\uacfc \uc548\uc815\uc131\uc744 \uc815\uc758\ud569\ub2c8\ub2e4. \ub2e4\uc74c\uc740 DC SPD\uc5d0 \uc124\uba85\ub41c \uba87 \uac00\uc9c0 \uc77c\ubc18\uc801\uc778 \uae30\ub2a5\uc785\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Voltage_Rating\"><\/span>\uc804\uc555 \uc815\uaca9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\ub294 \ubcf4\ud638\ud558\ub824\ub294 \ud2b9\uc815 DC \uc804\uc6d0 \uc2dc\uc2a4\ud15c\uc5d0 \ub9de\ub294 \ub2e4\uc591\ud55c \uc804\uc555 \uc815\uaca9\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc804\uc555 \uc815\uaca9\uc774 DC \uc2dc\uc2a4\ud15c\uacfc \uc77c\uce58\ud558\uac70\ub098 \ucd08\uacfc\ud558\ub294 DC SPD\ub97c \uc120\ud0dd\ud558\ub294 \uac83\uc774 \uc131\ub2a5 \ud6a8\uc728\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Clamping_Voltage\"><\/span>\ud074\ub7a8\ud551 \uc804\uc555<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DC SPD\uc758 \ud074\ub7a8\ud551 \uc804\uc555\uc740 \uc11c\uc9c0 \uc774\ubca4\ud2b8 \ub3d9\uc548 \ud1b5\uacfc\ud560 \uc218 \uc788\ub294 \ucd5c\ub300 \uc804\uc555\uc744 \ub9d0\ud569\ub2c8\ub2e4. \uc804\uc555\uc774 \ud074\ub7a8\ud551 \uc804\uc555\uc744 \ucd08\uacfc\ud558\uba74 DC SPD\ub294 \uc7a5\ube44\ub97c \ubcf4\ud638\ud558\ub294 \uacfc\ub3c4 \uc804\uc555\uc744 \uc804\ud658 \ubc0f\/\ub610\ub294 \ud761\uc218\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc7a5\ube44\uc5d0 \uc811\uadfc \uac00\ub2a5\ud55c \uc804\uc555\ub7c9\uc744 \uc81c\ud55c\ud558\uae30 \ub54c\ubb38\uc5d0 \ud074\ub7a8\ud551 \uc804\uc555\uc774 \ub0ae\uc740 DC SPD\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4. \uacb0\uacfc\uc801\uc73c\ub85c DC \uc804\uc6d0 \uc7a5\ube44\uc5d0 \ub354 \ub098\uc740 \ubcf4\ud638 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Surge_Current_Handling\"><\/span>\uc11c\uc9c0 \uc804\ub958 \ucc98\ub9ac<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DC SPD\uc758 \uc11c\uc9c0 \uc804\ub958 \ucc98\ub9ac \uc6a9\ub7c9\uc740 \uc190\uc0c1 \uc5c6\uc774 \uc548\uc804\ud558\uac8c \uc804\ud658\ud558\uac70\ub098 \ud761\uc218\ud560 \uc218 \uc788\ub294 \ucd5c\ub300 \uc11c\uc9c0 \uc804\ub958\ub97c \uc815\uc758\ud569\ub2c8\ub2e4. DC SPD\ub294 \ud2b9\uc815 \uc11c\uc9c0 \uc804\ub958\ub97c \uad00\ub9ac\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc73c\uba70, \uc774\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ub9de\ub294 SPD\ub97c \uc120\ud0dd\ud560 \ub54c \uc911\uc694\ud55c \uae30\ub2a5\uc785\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Response_Time\"><\/span>\uc751\ub2f5 \uc2dc\uac04<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DC\uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\uc758 \uc751\ub2f5 \uc2dc\uac04\uc740 \uc11c\uc9c0 \uc774\ubca4\ud2b8\uc5d0 \ub300\ud55c \ubc18\uc751\uc758 \uc2e0\uc18d\uc131\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4. \ube60\ub978 \uc751\ub2f5 \uc2dc\uac04\uc744 \uac00\uc9c4 DC SPD\ub294 \uc11c\uc9c0 \uc804\ub958 \uc804\ud658\uc744 \ub354 \uc77c\ucc0d \uc2dc\uc791\ud558\uc5ec \uc190\uc0c1 \uac00\ub2a5\uc131\uc744 \uc904\uc774\ub294 \uc11c\uc9c0\uc5d0 \ub300\ud55c \ub354 \ube60\ub978 \ubcf4\ud638\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<figure id=\"attachment_45339\" aria-describedby=\"caption-attachment-45339\" style=\"width: 621px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45339\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-5-DC-SPD-parts.jpg\" alt=\"DC SPD \ubd80\ud488\" width=\"621\" height=\"351\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-5-DC-SPD-parts.jpg 621w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-5-DC-SPD-parts-150x85.jpg 150w\" sizes=\"auto, (max-width: 621px) 100vw, 621px\" \/><figcaption id=\"caption-attachment-45339\" class=\"wp-caption-text\">DC SPD \ubd80\ud488<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Comparing_DC_SPD_with_AC_SPD\"><\/span>DC SPD\uc640 AC SPD \ube44\uad50<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DC\uc640 AC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\uc758 \uc8fc\uc694 \ucc28\uc774\uc810\uc740 \uc0ac\uc6a9 \uc911\uc778 \uc804\ub825 \uc2dc\uc2a4\ud15c\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc804\uc555 \uc815\uaca9, \uc11c\uc9c0 \ucc98\ub9ac \uae30\ub2a5, \uc751\ub2f5 \uc2dc\uac04 \ubc0f \ud45c\uc900\uacfc \uad00\ub828\ud558\uc5ec \ub450 \uc7a5\uce58 \uac04\uc5d0 \uc57d\uac04\uc758 \ucc28\uc774\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ub2e4\uc74c \uc124\uba85\uc740 DC\uc640 AC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58(SPD)\uc758 \uba87 \uac00\uc9c0 \uc720\uc0ac\uc810\uacfc \ucc28\uc774\uc810\uc744 \uac15\uc870\ud569\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Frequency_Handling\"><\/span>\uc8fc\ud30c\uc218 \ucc98\ub9ac<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DC \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\ub294 DC \uc804\uc555\uc758 \ubd88\ubcc0\uc131 \ub355\ubd84\uc5d0 \uc8fc\ud30c\uc218 \uc0ac\uc591\uc774 \uc5c6\uc2b5\ub2c8\ub2e4. \ubc18\uba74 AC \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \uc8fc\ud30c\uc218 \uc694\uad6c \uc0ac\ud56d\uc774 \ub2e4\ub974\uae30 \ub54c\ubb38\uc5d0 \ucde8\uae09\uc774 \ub2e4\ub985\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Polarity_Sensitivity\"><\/span>\uadf9\uc131 \uac10\ub3c4<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DC \uc2dc\uc2a4\ud15c\uc758 \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\ub294 \uadf9\uc131\uc5d0 \ubbfc\uac10\ud558\uc5ec \uc62c\ubc14\ub978 \ub2e8\uc790 \uc815\ub82c\ub85c \uc124\uce58\ud574\uc57c \ud569\ub2c8\ub2e4. AC \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc804\uc555 \ubc29\ud5a5\uc774 \ub04a\uc784\uc5c6\uc774 \ubcc0\ud558\uae30 \ub54c\ubb38\uc5d0 \ud2b9\uc815 \ub2e8\uc790 \uc9c0\uc815\uc774 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Surge_Detection_and_Clamping\"><\/span>\uc11c\uc9c0 \uac10\uc9c0 \ubc0f \ud074\ub7a8\ud551<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\uc2dc\uc2a4\ud15c \uc124\uacc4\uc5d0 \ub530\ub77c DC \ubc0f AC SPD\ub294 \ubaa8\ub450 \uc804\uc555 \uc11c\uc9c0\ub97c \ud761\uc218\ud558\uac70\ub098 \uc548\uc804\ud55c \uc218\uc900\uc73c\ub85c \uc804\ud658\ud558\uc5ec \ub300\uc751\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc804\uc555 \ud2b9\uc131\uc774 \ub2e4\ub974\uba74 \uac10\uc9c0 \ubc0f \ud074\ub7a8\ud551\uc5d0 \uc801\uc6a9\ub418\ub294 \uba54\ucee4\ub2c8\uc998\uc774 \ubcc0\uacbd\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Voltage_Ratings\"><\/span>\uc804\uc555 \uc815\uaca9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\uc0ac\uc6a9 \uc911\uc778 \uc2dc\uc2a4\ud15c\uc5d0 \ub9de\ub294 \uc804\uc555 \uc815\uaca9\uc744 \uac00\uc9c4 DC \ubc0f AC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 DC \uc2dc\uc2a4\ud15c\uc740 \ucd5c\ub300 400V\uae4c\uc9c0 \uc62c\ub77c\uac08 \uc218 \uc788\ub294 AC \uc2dc\uc2a4\ud15c\ubcf4\ub2e4 \uc804\uc555 \uc815\uaca9\uc774 \ub0ae\uc2b5\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Voltage_Type\"><\/span>\uc804\uc555 \uc720\ud615<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\uc774\ub294 \uc9c1\ub958 \uc2dc\uc2a4\ud15c\uc6a9\uc73c\ub85c \uc124\uacc4\ub41c DC SPD\uc640 \uad50\ub958 \uc2dc\uc2a4\ud15c\uc6a9\uc73c\ub85c \uc124\uacc4\ub41c AC SPD\uc758 \uadfc\ubcf8\uc801\uc778 \ucc28\uc774\uc810\uc785\ub2c8\ub2e4.<\/p>\n<figure id=\"attachment_45340\" aria-describedby=\"caption-attachment-45340\" style=\"width: 599px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45340 size-full\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-6-AC-SPD.jpg\" alt=\"\uad50\ub958 SPD\" width=\"599\" height=\"410\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-6-AC-SPD.jpg 599w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-6-AC-SPD-150x103.jpg 150w\" sizes=\"auto, (max-width: 599px) 100vw, 599px\" \/><figcaption id=\"caption-attachment-45340\" class=\"wp-caption-text\">\uad50\ub958 SPD<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Main_Parameters_of_DC_SPD\"><\/span>DC SPD\uc758 \uc8fc\uc694 \ub9e4\uac1c\ubcc0\uc218<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\uc758 \ub9e4\uac1c\ubcc0\uc218\ub294 \uc804\uc555 \uc11c\uc9c0\ub85c\ubd80\ud130 \ud2b9\uc815 DC \uc2dc\uc2a4\ud15c\uc5d0\uc11c\uc758 \uc131\ub2a5\uacfc \uc801\ud569\uc131\uc744 \uc815\uc758\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc774\ub7ec\ud55c \ub9e4\uac1c\ubcc0\uc218\uc640 \uc0ac\uc6a9\ud558\ub824\ub294 \uc2dc\uc2a4\ud15c\uc744 \uc2e0\uc911\ud558\uac8c \uace0\ub824\ud558\ub294 \uac83\uc774 \ud6a8\uacfc\uc801\uc778 \ub9e4\uce6d\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n<p>DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\uc5d0 \ub300\ud574 \uc81c\uacf5\ub418\ub294 \uc8fc\uc694 \ub9e4\uac1c\ubcc0\uc218\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\ub204\uc124 \uc804\ub958:<\/strong> DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\uac00 \uc815\uc0c1\uc801\uc73c\ub85c \uc791\ub3d9\ud560 \ub54c \ub204\uc124 \uc804\ub958\ub294 \uc774\ub97c \ud1b5\ud574 \ud750\ub974\ub294 \ucd5c\uc18c \uc804\ub958\ub97c \uc124\uba85\ud569\ub2c8\ub2e4. \ub204\uc124 \uc804\ub958\uac00 \ub0ae\uc740 \uac83\uc774 \ub354 \ubc14\ub78c\uc9c1\ud55c\ub370, \uc774\ub294 \uc5f4 \ubc1c\uc0b0\uacfc \uc804\ub825 \uc190\uc2e4\uc774 \uac10\uc18c\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\ucd5c\ub300 \uc5f0\uc18d \uc791\ub3d9 \uc804\uc555:<\/strong> \uc2dc\uc2a4\ud15c \uc815\uaca9 \uc804\uc555\uc5d0 \ub530\ub77c \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\uac00 \ud65c\uc131\ud654\ub418\ub294 DC \uc804\uc555\uc744 \uc815\uc758\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc815\uaca9 \ubc29\uc804 \uc804\ub958:<\/strong> \uc11c\uc9c0 \ud604\uc0c1\uc774 \ubc1c\uc0dd\ud588\uc744 \ub54c DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\uac00 \ubc29\uc804\ud560 \uc218 \uc788\ub294 \uac00\uc7a5 \ub192\uc740 \uc804\ub958 \uac12\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc791\ub3d9 \uc628\ub3c4 \ubc94\uc704:<\/strong> DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\uac00 \ucd5c\uc801\uc73c\ub85c \uc791\ub3d9\ud560 \uc218 \uc788\ub294 \uc628\ub3c4\ub97c \uc815\uc758\ud569\ub2c8\ub2e4. \uc774 \ub9e4\uac1c\ubcc0\uc218\ub294 \ud2b9\ud788 \ubcf4\ud638\uac00 \ud544\uc694\ud55c DC \uc2dc\uc2a4\ud15c\uc774 \uadf9\ud55c \uc628\ub3c4 \uc870\uac74\uc5d0\uc11c \uc791\ub3d9\ud558\ub294 \uacbd\uc6b0 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4.<\/li>\n<li><strong>\uc804\uc555 \ubcf4\ud638 \uc218\uc900:<\/strong> \ud65c\uc131\ud654\ub41c DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\uc758 \ub2e8\uc790\uc5d0 \uac78\ub9ac\ub294 \ucd5c\ub300 \uc804\uc555\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\ub97c \ud1b5\uacfc\ud558\ub294 \uc804\ub958\uac00 \uc815\uaca9 \ubc29\uc804 \uc804\ub958\uc640 \uc77c\uce58\ud560 \ub54c \ub2ec\uc131\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Primary_Components_in_a_DC_SPD\"><\/span>DC SPD\uc758 \uae30\ubcf8 \uad6c\uc131 \uc694\uc18c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe loading=\"lazy\" title=\"\uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58 \/ \uc11c\uc9c0 \uc5b4\ub808\uc2a4\ud130 \/ SPD \uc791\ub3d9 \uc6d0\ub9ac \/ \uacfc\uc804\uc555 \ubcf4\ud638 \uc7a5\uce58\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/d2UC56t0Ux4?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\ub294 \ub2e4\uc591\ud55c \uc804\uc790 \ubd80\ud488\uc744 \uc0ac\uc6a9\ud558\uc5ec \uace0\uc804\uc555 \uc11c\uc9c0\ub97c \uc644\ud654\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubd80\ud488\uc740 \uc5ec\ub7ec \uc720\ud615\uc73c\ub85c \ubd84\ub958\ud560 \uc218 \uc788\uc73c\uba70, \uc77c\ubd80\ub294 \uc7a5\uc810\uc744 \ud65c\uc6a9\ud558\uae30 \uc704\ud574 \uc5ec\ub7ec \uae30\uc220\uc744 \uacb0\ud569\ud569\ub2c8\ub2e4.<\/p>\n<p>DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uc8fc\uc694 \uad6c\uc131 \uc694\uc18c\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\uac00\uc2a4\ubc29\uc804\uad00(GDT)<\/strong><\/li>\n<\/ul>\n<p>\uc720\ub9ac \ub610\ub294 \uc138\ub77c\ubbf9 \ud29c\ube0c\ub85c \ub458\ub7ec\uc2f8\uc778 \ub450 \uac1c\uc758 \ucc28\uac00\uc6b4 \uc74c\uadf9\ud310\uc73c\ub85c \uad6c\uc131\ub418\uba70, \ubd88\ud65c\uc131 \uac00\uc2a4(\ubcf4\ud1b5 \uc544\ub974\uace4)\ub85c \ubd84\ub9ac\ub429\ub2c8\ub2e4. \ubcf4\uc870 \ud2b8\ub9ac\uac70 \uc5d0\uc774\uc804\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubc29\uc804\uc744 \ud2b8\ub9ac\uac70\ud560 \uac00\ub2a5\uc131\uc744 \ub192\uc774\uace0 2\uadf9 \ubc0f 3\uadf9 \uad6c\uc131\uc73c\ub85c \uc81c\uacf5\ub429\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\uacfc\ub3c4 \uc804\uc555 \uc5b5\uc81c(TVS) \ub2e4\uc774\uc624\ub4dc<\/strong><\/li>\n<\/ul>\n<p>\uc774\ub4e4\uc740 \uc5ed\uc73c\ub85c \uc9c0\uc815\ub41c \ud30c\uad34 \uc601\uc5ed\uc5d0\uc11c \uc791\ub3d9\ud558\ub294 \ud2b9\uc218 \ub2e4\uc774\uc624\ub4dc\uc785\ub2c8\ub2e4. \uc774\ub4e4\uc740 \uc804\uc555\uc744 \ud074\ub7a8\ud551\ud558\uace0 \uc870\uc808\ud569\ub2c8\ub2e4. \uac10\uc18c\ub41c \ud074\ub7a8\ud551 \uc804\uc555\uacfc \ube60\ub978 \uc751\ub2f5\uc73c\ub85c \ucd5c\uc885 \ub808\uc774\uc5b4\ub85c \ub2e4\uc911 \ub808\ubca8\uc778 \ubcf4\ud638 \ud68c\ub85c\uc5d0\uc11c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\uae08\uc18d\uc0b0\ud654\ubb3c \ubc14\ub9ac\uc2a4\ud130(MOV)<\/strong><\/li>\n<\/ul>\n<p>MOV\ub294 \ube44\uc120\ud615 \uc800\ud56d\uc744 \ub098\ud0c0\ub0b4\ub294 \uae08\uc18d \uc0b0\ud654\ubb3c\ub85c \uc0b0\ud654\uc544\uc5f0\uc744 \uc0ac\uc6a9\ud558\ub294 \ubc18\ub3c4\uccb4\uc785\ub2c8\ub2e4. \uc804\uc555 \ubcc0\ub3d9\uc740 \uc9c1\ub82c \ubc0f \ubcd1\ub82c\ub85c \uc5f0\uacb0\ub41c \uc5ec\ub7ec PN \uc811\ud569\uacfc \uc720\uc0ac\ud55c \uc791\ub3d9 \uc6d0\ub9ac\ub85c \uc800\ud56d \uac12\uc758 \ubcc0\ud654\ub97c \ubc18\uc601\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\uc2a4\ud30c\ud06c \uac2d<\/strong><\/li>\n<\/ul>\n<p>\uc77c\ubc18\uc801\uc73c\ub85c \ubd84\ub9ac \uac70\ub9ac\uac00 \uc788\ub294 \uacf5\uae30 \ub178\ucd9c \uae08\uc18d \ub9c9\ub300 \ud398\uc5b4\ub9c1\uc73c\ub85c \uad6c\uc131\ub418\uba70, \ud55c \ub9c9\ub300\ub294 \uc911\uc131\uc120 \ub610\ub294 \uc804\ub825 \uc704\uc0c1\uc120\uc5d0 \uc5f0\uacb0\ub429\ub2c8\ub2e4. \ub2e4\ub978 \ub9c9\ub300\ub294 \uc811\uc9c0 \ub2e8\uc790\uc5d0 \uc5f0\uacb0\ub418\uace0 \uc804\uc555 \uc11c\uc9c0\uac00 \ubd84\ub9ac\ub97c \ub04a\uc5b4 \uc11c\uc9c0\ub97c \ubd84\uc0b0\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\ucd08\ud06c \ucf54\uc77c<\/strong><\/li>\n<\/ul>\n<p>\ub3d9\uc77c\ud55c \ud06c\uae30\uc640 \ud134 \uc218\ub97c \uac16\ub294 \ub300\uce6d\uc801\uc73c\ub85c \uac10\uae34 \ucf54\uc77c \ud398\uc5b4\ub9c1\uc73c\ub85c \uad6c\uc131\ub41c \ud398\ub77c\uc774\ud2b8 \ucf54\uc5b4\ub97c \ud65c\uc6a9\ud558\uc5ec 4\ub2e8\uc790\uac00 \uc788\ub294 \uc7a5\uce58\ub97c \ub9cc\ub4ed\ub2c8\ub2e4. \uc8fc\ub85c \ucc28\ub3d9 \ubaa8\ub4dc \uc2e0\ud638 \ub204\uc124 \uc778\ub355\ud134\uc2a4\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \ucd5c\uc18c\ud654\ud558\uba74\uc11c \uc0c1\ub2f9\ud55c \uacf5\ud1b5 \ubaa8\ub4dc \uc2e0\ud638 \uc778\ub355\ud134\uc2a4\ub97c \uc644\ud654\ud569\ub2c8\ub2e4.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Advantages_of_using_a_DC_SPD\"><\/span>DC SPD \uc0ac\uc6a9\uc758 \uc7a5\uc810<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe loading=\"lazy\" title=\"DC SPD \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58 \ud0dc\uc591\uad11 \uc2dc\uc2a4\ud15c\uc5d0 SPD\ub97c \uc124\uce58\ud558\ub294 \ubc29\ubc95\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/n2GJEfG5v2I?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>DC SPD\ub97c \ucc44\ud0dd\ud558\uba74 \uc804\uc555 \uc11c\uc9c0\uc5d0 \ub300\ud55c DC \uc804\uc6d0 \uc2dc\uc2a4\ud15c\uc758 \ucde8\uc57d\uc131\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \uc644\ud654\ud558\uc5ec \uc7a5\ube44 \ubcf4\ud638, \uc2dc\uc2a4\ud15c \uc548\uc815\uc131 \ubc0f \uc804\ubc18\uc801\uc778 \uc6b4\uc601 \uc548\uc804\uc744 \uc99d\uc9c4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\ub97c \ud65c\uc6a9\ud558\ub294 \uc774\uc810\uc5d0 \ub300\ud55c \uc694\uc57d\uc740 \uc544\ub798\uc640 \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong>i. \uc7a5\ube44 \ubcf4\ud638:<\/strong> \uc774\ub294 \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\ub85c DC \uc2dc\uc2a4\ud15c\uc744 \uad6c\uc131\ud558\ub294 \uc8fc\uc694 \uc774\uc810\uc785\ub2c8\ub2e4. \uacfc\ub3c4\ud55c \uc804\uc555 \uc11c\uc9c0\ub97c \uc804\ud658\ud558\uac70\ub098 \uc5b5\uc81c\ud558\uc5ec \uc7a5\ube44\ub97c \uc190\uc0c1\uc73c\ub85c\ubd80\ud130 \ubcf4\ud638\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>ii. \uc5f0\uc7a5\ub41c \uc7a5\ube44 \uc218\uba85:<\/strong> DC SPD\ub85c \uc11c\uc9c0\uc758 \uc190\uc0c1 \ud6a8\uacfc\ub97c \ud53c\ud558\uba74 \uc7a5\ube44\uac00 \ub354 \uc624\ub798 \uc791\ub3d9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub807\uc9c0 \uc54a\uc73c\uba74 \ubcf4\ud638\ub418\uc9c0 \uc54a\uc740 \uc7a5\ube44\ub294 \uc804\uc555 \uc11c\uc9c0\uc5d0 \uc27d\uac8c \uad74\ubcf5\ud558\uc5ec \uc190\uc0c1\ub418\uac70\ub098 \uc131\ub2a5\uc774 \uc800\ud558\ub429\ub2c8\ub2e4.<\/p>\n<p><strong>iii. \uc548\uc804 \ubcf4\uc7a5:<\/strong> \uc11c\uc9c0 \uc774\ubca4\ud2b8\uac00 \ubc1c\uc0dd\ud558\uba74 \uc548\uc804 \uc704\ud5d8\uc774 \ubc1c\uc0dd\ud558\ub294\ub370, \ud2b9\ud788 \uace0\uc5d0\ub108\uc9c0 DC \uc18c\uc2a4\ub97c \uc0ac\uc6a9\ud558\ub294 \uc0b0\uc5c5 \ud658\uacbd\uc5d0\uc11c \uadf8\ub807\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc7a5\uce58\ub294 \uc11c\uc9c0 \uc5d0\ub108\uc9c0\ub97c \ud761\uc218\ud558\uac70\ub098 \uc7ac\uc9c0\uc815\ud568\uc73c\ub85c\uc368 \uc804\uae30\uc801 \uace0\uc7a5, \ud654\uc7ac \ub610\ub294 \uae30\ud0c0 \uc548\uc804 \uc704\ud5d8\uc758 \uac00\ub2a5\uc131\uc744 \uc904\uc785\ub2c8\ub2e4.<\/p>\n<p><strong>iv. \uc2dc\uc2a4\ud15c \uc2e0\ub8b0\uc131:<\/strong> \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\ub294 \ubcf4\ud638 \uc5ed\ud560\uc5d0\uc11c DC \uc2dc\uc2a4\ud15c \uc2e0\ub8b0\uc131\uc744 \uac1c\uc120\ud558\ub294 \ub370 \uae30\uc5ec\ud569\ub2c8\ub2e4. \uc7a5\ube44 \uace0\uc7a5 \uc704\ud5d8\uc744 \uc904\uc5ec \uc9c0\uc18d\uc801\uc778 \uc791\ub3d9\uc744 \uc720\uc9c0\ud558\uace0 \uc911\ub2e8\uc744 \ucd5c\uc18c\ud654\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Factors_to_Consider_When_Selecting_a_SPD\"><\/span>SPD \uc120\ud0dd \uc2dc \uace0\ub824\ud574\uc57c \ud560 \uc694\uc18c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DC\uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\ub97c \uc120\ud0dd\ud560 \ub54c\ub294 \uc6d0\ud558\ub294 \ubcf4\ud638 \uae30\ub2a5\uc744 \uc81c\uacf5\ud558\ub294 \uc2dc\uc2a4\ud15c\uacfc \ud638\ud658\ub418\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624. \uc774\ub807\uac8c \ud558\uba74 \uc804\uc555 \uacfc\ub3c4 \ud604\uc0c1\uacfc \uad00\ub828\ub41c \uc7a0\uc7ac\uc801 \uc704\ud5d8\uc744 \ucd5c\uc18c\ud654\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<p>\uace0\ub824\ud574\uc57c \ud560 \uba87 \uac00\uc9c0 \uc8fc\uc694 \uc694\uc18c\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\ud604\uc7ac \ud3c9\uac00:<\/strong> DC SPD\uc758 \uc804\ub958 \uc815\uaca9\uc740 \uc2dc\uc2a4\ud15c\uc758 \ucd5c\ub300 \uc791\ub3d9 \uc804\ub958\ub97c \uc9c0\uc6d0\ud560 \uc218 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \uacb0\uacfc\uc801\uc73c\ub85c \uc2dc\uc2a4\ud15c \ubd80\ud558\uac00 \uacfc\uc5f4\ub418\uc5b4 \uace0\uc7a5\uc73c\ub85c \ub05d\ub098\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc81c\uc870\uc5c5\uccb4\uc758 \ud3c9\ud310:<\/strong> \uc81c\uc870\uc5c5\uccb4\ub97c \uc0b4\ud3b4\ubcf4\uace0 \uace0\ud488\uc9c8 SPD \uc0dd\uc0b0\uacfc \ud0c1\uc6d4\ud55c \uace0\uac1d \uc9c0\uc6d0 \uc81c\uacf5 \uce21\uba74\uc5d0\uc11c \ud574\ub2f9 \uc81c\uc870\uc5c5\uccb4\uc758 \ud3c9\ud310\uacfc \uc2e0\ub8b0\uc131\uc744 \ud3c9\uac00\ud558\uc138\uc694.<\/li>\n<li><strong>\uc751\ub2f5 \uc2dc\uac04:<\/strong> \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\uc758 \uc751\ub2f5 \uc2dc\uac04\uc740 \uc11c\uc9c0 \uc774\ubca4\ud2b8\uc5d0 \ub300\ud55c \ubc18\uc751 \uc18d\ub3c4\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uacfc\ub3c4 \uc804\ub958\ub97c \ube60\ub974\uac8c \ucc98\ub9ac\ud558\uace0 \uc784\ubc15\ud55c \uc190\uc0c1\uc744 \uc0c1\uc1c4\ud558\ub824\uba74 \uc9e7\uc740 \uc751\ub2f5 \uc2dc\uac04\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ud45c\uc900 \uc900\uc218:<\/strong> DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\uac00 \ud544\uc694\ud55c \uc0b0\uc5c5 \ud45c\uc900\uc744 \uc900\uc218\ud558\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624. \uc774\ub7ec\ud55c \ud45c\uc900\uc740 \uad6c\ub9e4\ud558\ub294 \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\uac00 \uc131\ub2a5 \uae30\uc900\uc744 \ucda9\uc871\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc11c\uc9c0 \uc804\ub958 \uc6a9\ub7c9:<\/strong> DC SPD\uc758 \uc608\uc0c1 \uc11c\uc9c0 \uc804\ub958 \uc6a9\ub7c9\uc744 \ud3c9\uac00\ud558\uc5ec \uacfc\ubd80\ud558 \uc5c6\uc774 \uc11c\uc9c0\ub97c \ud6a8\uacfc\uc801\uc73c\ub85c \ucc98\ub9ac\ud560 \uc218 \uc788\ub294\uc9c0 \ud655\uc778\ud558\uc138\uc694.<\/li>\n<li><strong>\uc804\uc555 \uc815\uaca9:<\/strong> DC \uc2dc\uc2a4\ud15c\uc758 \ucd5c\ub300 \uc791\ub3d9 \uc804\uc555\uc740 DC SPD\uc758 \uc804\uc555 \uc815\uaca9\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4. \ud6a8\uacfc\uc801\uc778 \uc11c\uc9c0 \ubcf4\ud638\ub97c \uc81c\uacf5\ud558\ub824\uba74 \uc774 \uac12\uacfc \uc77c\uce58\ud558\uac70\ub098 \ucd08\uacfc\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Installing_a_DC_SPD\"><\/span>DC SPD \uc124\uce58<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\uc758 \uc124\uce58\ub294 \ube44\ud6a8\uc728\uc801\uc778 \uc131\ub2a5\uacfc \uc2ec\uc9c0\uc5b4 \uc190\uc0c1\uc744 \ud53c\ud558\uae30 \uc704\ud574 \uc2e0\uc911\ud558\uac8c \uc218\ud589\ud574\uc57c \ud569\ub2c8\ub2e4. \uc124\uce58\ub97c \uc218\ud589\ud560 \ub54c\ub294 \ubaa8\ub378, \uc2dc\uc2a4\ud15c \ud2b9\uc131 \ubc0f \uc9c0\uc5ed \uaddc\uc815\uc744 \uc5fc\ub450\uc5d0 \ub450\uc2ed\uc2dc\uc624.<\/p>\n<p>\uc124\uce58 \uacfc\uc815\uc5d0\uc11c \uace0\ub824\ud574\uc57c \ud560 \ud575\uc2ec \uc0ac\ud56d\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\ubcf4\ud638\ub418\ub294 \uc7a5\ube44\uc5d0 \ucd5c\ub300\ud55c \uac00\uae5d\uac8c \uc801\uc808\ud55c \uc704\uce58\ub97c \uc120\ud0dd\ud558\uc138\uc694. \ub610\ud55c \uc720\uc9c0\uad00\ub9ac \ubc0f \uac80\uc0ac \uc911\uc5d0\ub3c4 \uc27d\uac8c \uc811\uadfc\ud560 \uc218 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li>DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\ub97c \uc7a5\ucc29\ud560 \ub54c\ub294 \uc81c\uc870\uc5c5\uccb4\uc5d0\uc11c \uc81c\uacf5\ud55c \uc9c0\uce68\uc744 \ub530\ub974\uc2ed\uc2dc\uc624. \uc801\uc808\ud55c \ud558\ub4dc\uc6e8\uc5b4\uc640 \uc801\uc808\ud55c \uc5f4 \ubc1c\uc0b0 \ubc0f \ud658\uae30\ub97c \uc704\ud55c \uc5ec\uc720 \uacf5\uac04\uc744 \ud65c\uc6a9\ud558\uc5ec \uc801\uc808\ud55c \ud45c\uba74\uc5d0 \ub2e8\ub2e8\ud788 \uace0\uc815\ud558\uc2ed\uc2dc\uc624.<\/li>\n<li>\ud45c\uc900 \ucf00\uc774\ube14 \ub610\ub294 \ub3c4\uccb4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc9c0\uce68\uc5d0 \ub530\ub77c DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\ub97c \uc804\uc6d0 \uc2dc\uc2a4\ud15c\uc5d0 \ubc30\uc120\ud569\ub2c8\ub2e4. \uc774\ub294 \uc801\uc808\ud55c \uc885\ub2e8\uc73c\ub85c \uace0\uc815\ub418\uc5b4\uc57c \ud558\uba70 \ucd5c\ub300 \uc608\uc0c1 \uc804\ub958\ub97c \ucc98\ub9ac\ud560 \uc218 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li>DC SPD\uc5d0 \uc758\ud55c \uc11c\uc9c0 \uc804\ub958\uc758 \uc548\uc804\ud55c \ubd84\uc0b0\uc744 \ub3d5\uae30 \uc704\ud574 \uc548\uc815\uc801\uc774\uace0 \uc800\ud56d\uc774 \ub0ae\uc740 \uc811\uc9c0 \uc2dc\uc2a4\ud15c\uc744 \uad6c\uc131\ud558\uc138\uc694.<\/li>\n<\/ol>\n<figure id=\"attachment_45341\" aria-describedby=\"caption-attachment-45341\" style=\"width: 612px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45341\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/Figure-7-installing-DC-SPD-overview.jpg\" alt=\"DC SPD \uc124\uce58 \uac1c\uc694\" width=\"612\" height=\"430\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/Figure-7-installing-DC-SPD-overview.jpg 612w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/Figure-7-installing-DC-SPD-overview-150x105.jpg 150w\" sizes=\"auto, (max-width: 612px) 100vw, 612px\" \/><figcaption id=\"caption-attachment-45341\" class=\"wp-caption-text\">DC SPD \uc124\uce58 \uac1c\uc694<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Testing_a_DC_Surge_Protective_Device\"><\/span>DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58 \ud14c\uc2a4\ud2b8<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\ub97c \ud14c\uc2a4\ud2b8\ud558\uba74 \ud574\ub2f9 \uc7a5\uce58\uc758 \uae30\ub2a5\uc744 \uac80\uc99d\ud558\uc5ec \uc804\uc555 \uc11c\uc9c0\ub85c\ubd80\ud130 \uc7a5\ube44\ub97c \ud6a8\uacfc\uc801\uc73c\ub85c \ubcf4\ud638\ud560 \uc218 \uc788\ub294\uc9c0 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud14c\uc2a4\ud2b8\ud560 \ub54c\ub294 SPD\uac00 \uc900\uc218\ud574\uc57c \ud558\ub294 \ud2b9\uc815 \uc751\ub2f5 \ud2b9\uc131\uacfc \ud14c\uc2a4\ud2b8 \uacb0\uacfc\ub97c \ube44\uad50\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \ud14c\uc2a4\ud2b8\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\uc808\uc5f0 \uc800\ud56d \uc2dc\ud5d8: <\/strong>\uc5ec\uae30\uc11c\ub294 SPD\ub97c DC \uc18c\uc2a4\uc5d0\uc11c \ubd84\ub9ac\ud558\uace0 \uc7a5\uce58\uc640 \uc811\uc9c0 \ub2e8\uc790 \uc0ac\uc774\uc758 \uc800\ud56d\uc744 \uce21\uc815\ud569\ub2c8\ub2e4. \ub204\uc124\uc774\ub098 \uc624\ub958 \uacbd\ub85c\uac00 \uc5c6\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc804\uc555 \uac15\ud558 \ud14c\uc2a4\ud2b8: <\/strong>\uc774 \ud14c\uc2a4\ud2b8\ub294 \uc804\uc555 \uac15\ud558\uac00 \uc9c0\uc815\ub41c \ud55c\uacc4 \ub0b4\uc5d0 \uc788\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. \uc815\uaca9 \uc804\uc555\uc744 \uc801\uc6a9\ud558\uace0 \uce21\uc815\ud558\uae30 \uc804\uc5d0 \uc7a5\uce58\ub97c DC \uc18c\uc2a4\uc5d0 \uc5f0\uacb0\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc11c\uc9c0 \ud14c\uc2a4\ud2b8:<\/strong> \uc5ec\uae30\uc11c\ub294 \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\uc5d0 \uc11c\uc9c0 \uc784\ud384\uc2a4\ub97c \uc801\uc6a9\ud558\uc5ec \uacfc\ub3c4 \uc11c\uc9c0\ub97c \uc2dc\ubbac\ub808\uc774\uc158\ud569\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \ud30c\ud615\uc744 \uac80\uc0ac\ud558\uc5ec \ud14c\uc2a4\ud2b8 \uc0ac\uc591\uacfc \ube44\uad50\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<figure id=\"attachment_45342\" aria-describedby=\"caption-attachment-45342\" style=\"width: 624px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45342\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/Figure-8-testing-and-instalation-of-SPD-explained.jpg\" alt=\"SPD \ud14c\uc2a4\ud2b8 \ubc0f \uc124\uce58 \uc124\uba85\" width=\"624\" height=\"431\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/Figure-8-testing-and-instalation-of-SPD-explained.jpg 624w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/Figure-8-testing-and-instalation-of-SPD-explained-150x104.jpg 150w\" sizes=\"auto, (max-width: 624px) 100vw, 624px\" \/><figcaption id=\"caption-attachment-45342\" class=\"wp-caption-text\">SPD \ud14c\uc2a4\ud2b8 \ubc0f \uc124\uce58 \uc124\uba85<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Standards_Used_For_DC_SPD\"><\/span>DC SPD\uc5d0 \uc0ac\uc6a9\ub418\ub294 \ud45c\uc900<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\ud45c\uc900\uc740 DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\uc758 \ud488\uc9c8, \uc2e0\ub8b0\uc131 \ubc0f \uc548\uc804\uc131\uc744 \ud655\uc778\ud569\ub2c8\ub2e4. \uc774\ub294 \uaddc\uc81c \uae30\uad00\uc5d0\uc11c \uc81c\uacf5\ud558\uba70 \ub2e4\uc74c\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/American_National_Standards_Institute\"><strong>\ubbf8\uad6d \uad6d\ub9bd\ud45c\uc900\ud654\uae30\uad6c(ANSI)<\/strong><\/a><strong>\/<\/strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Institute_of_Electrical_and_Electronics_Engineers\"><strong>IEEE<\/strong><\/a><strong>45:<\/strong> DC \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\uc758 \uc11c\uc9c0 \ud14c\uc2a4\ud2b8 \uc131\ub2a5\uc5d0 \ub300\ud55c \uc804\ub9dd\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/International_Electrotechnical_Commission\"><strong>\uad6d\uc81c\uc804\uae30\uc804\uc790\uae30\uc220\uc790\ud611\ud68c(IEC)<\/strong><\/a><strong>61643-11:<\/strong> \uc800\uc804\uc555 \uc2dc\uc2a4\ud15c\uc5d0 \uc5f0\uacb0\ub41c DC SPD\uc5d0 \ud2b9\uc815\ud55c \ud14c\uc2a4\ud2b8 \ubc29\ubc95\uacfc \uc694\uad6c \uc0ac\ud56d\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/International_Electrotechnical_Commission\"><strong>\uad6d\uc81c\uc804\uae30\uc804\uc790\uae30\uc220\uc790\ud611\ud68c(IEC)<\/strong><\/a><strong>61643-21:<\/strong> \uc2e0\ud638\ub9dd\uacfc \ud1b5\uc2e0\uc5d0 \uc0ac\uc6a9\ub418\ub294 DC SPD\uc5d0 \ud2b9\ud654\ub41c \ud14c\uc2a4\ud2b8 \ubc29\ubc95\uc5d0 \ub300\ud55c \uac00\uc774\ub4dc\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/International_Electrotechnical_Commission\"><strong>\uad6d\uc81c\uc804\uae30\uc804\uc790\uae30\uc220\uc790\ud611\ud68c(IEC)<\/strong><\/a><strong>61643-22:<\/strong> \ud1b5\uc2e0 \ubc0f \uc804\uc1a1\ub9dd\uc5d0 \uc0ac\uc6a9\ub418\ub294 DC SPD\uc758 \uc120\ud0dd\uacfc \uc751\uc6a9\uc5d0 \ub300\ud574 \uc124\uba85\ud569\ub2c8\ub2e4.<\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Underwriters_Laboratories\"><strong>\uc5b8\ub354\ub77c\uc774\ud130\uc2a4 \uc5f0\uad6c\uc18c<\/strong><\/a><strong>(UL) 1449:<\/strong> DC SPD\uc5d0 \ub300\ud55c \uc548\uc804 \ubc0f \uc131\ub2a5 \uc808\ucc28\ub97c \uc124\uba85\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Applications_of_DC_SPD\"><\/span>DC SPD\uc758 \uc751\uc6a9 \ubd84\uc57c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\uc804\uc555 \uc11c\uc9c0\ub85c\ubd80\ud130 \uc7a5\ube44\ub97c \ubcf4\ud638\ud558\ub294 DC SPD\uc758 \uc5ed\ud560\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \ub2e4\uc591\ud55c \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \uc608\uc2dc\ub429\ub2c8\ub2e4.<\/p>\n<p><strong>i. \ub370\uc774\ud130 \uc13c\ud130:<\/strong> DC SPD\ub294 \uc800\uc7a5 \uc7a5\uce58, \ub124\ud2b8\uc6cc\ud06c \uc7a5\ube44, \uc11c\ubc84\uc5d0\uc11c \ub370\uc774\ud130 \uc190\uc2e4 \ubc29\uc9c0\uc640 \uc7a5\ube44 \uc190\uc0c1 \ubc29\uc9c0\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n<p><strong>ii. \uc0b0\uc5c5\uc6a9 \uc81c\uc5b4 \uc2dc\uc2a4\ud15c:<\/strong> \uc13c\uc11c, PLC(\ud504\ub85c\uadf8\ub798\ubc0d \uac00\ub2a5 \ub17c\ub9ac \ucee8\ud2b8\ub864\ub7ec), \ubaa8\ud130 \ub4dc\ub77c\uc774\ube0c \ub4f1 DC \uc804\uc6d0\uc744 \ud65c\uc6a9\ud558\ub294 \uc81c\uc5b4 \uc7a5\uce58\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<p><strong>iii. \uc7ac\uc0dd \uc5d0\ub108\uc9c0:<\/strong> \ud0dc\uc591\uad11 \ubc1c\uc804\uc744 \uc704\ud55c \ud48d\ub825 \ubc1c\uc804\uacfc \ud0dc\uc591\uad11 \uc124\ube44\uc5d0\uc11c\ub294 \uc778\ubc84\ud130\uc640 \uac19\uc740 \ubbfc\uac10\ud55c \uc804\uc790 \uc7a5\uce58\ub97c \ubcf4\ud638\ud558\uae30 \uc704\ud574 DC SPD\ub97c \ud65c\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>iv. \uc800\uc7a5 \uc2dc\uc2a4\ud15c:<\/strong> \ubc30\ud130\ub9ac \uc5d0\ub108\uc9c0\ub97c \ud65c\uc6a9\ud558\ub294 \uc800\uc7a5 \uc2dc\uc2a4\ud15c\uc758 DC SPD\ub294 \ubc30\ud130\ub9ac \ubc45\ud06c, \ubaa8\ub2c8\ud130\ub9c1 \uc2dc\uc2a4\ud15c \ubc0f \uc804\ub825 \ubcc0\ud658 \uc7a5\ube44\ub97c \ubcf4\ud638\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>v. \ud1b5\uc2e0:<\/strong> DC SPD\ub294 \ud1b5\uc2e0 \uc2dc\uc124\uacfc \ub370\uc774\ud130 \uc13c\ud130\uc5d0 \ud1b5\ud569\ub418\uc5b4 \ub370\uc774\ud130 \uc804\uc1a1 \ud68c\uc120\uacfc \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\uc640 \uac19\uc740 \uc911\uc694 \uc7a5\ube44\ub97c \ubcf4\ud638\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>vi. \uad50\ud1b5 \uc2dc\uc2a4\ud15c:<\/strong> \uc804\uae30 \uc790\ub3d9\ucc28, \uc804\ucc28 \ubc0f \uae30\ucc28, \uc804\uae30 \ubcc0\uc804\uc18c\ub294 \ucda9\uc804\uc18c, \uc804\uc790 \uc81c\uc5b4 \uc7a5\uce58, \uc804\ub825 \ubd84\ubc30 \uc2dc\uc2a4\ud15c\uc5d0 DC SPD\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<p>\ubaa8\ub4e0 DC \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\uc5d0 \uad00\ud55c \ubb38\uc81c\ub77c\uba74 Letop\uc774 \ub3c4\uc640\ub4dc\ub9ac\uaca0\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>A DC surge protective device is designed to offer DC-powered systems and equipment protection from sudden spikes or surges in voltage. DC SPDs suppress or divert voltage surges preventing damage to sensitive electronic components, system failures, and even data loss. Working Principle Proper selection, installation, and maintenance of DC surge protective devices are necessary to [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":45343,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45334","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>DC Surge Protective Device - KDM Steel<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kdmsteel.com\/ko\/dc-\uc11c\uc9c0-\ubcf4\ud638-\uc7a5\uce58\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DC Surge Protective Device - KDM Steel\" \/>\n<meta property=\"og:description\" content=\"A DC surge protective device is designed to offer DC-powered systems and equipment protection from sudden spikes or surges in voltage. 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DC SPDs suppress or divert voltage surges preventing damage to sensitive electronic components, system failures, and even data loss. 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