{"id":148559,"date":"2024-04-27T16:46:18","date_gmt":"2024-04-27T16:46:18","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%eb%aa%a8%ed%84%b0-%ec%a0%91%ec%a7%80-%ea%b2%b0%ed%95%a8-%eb%b3%b4%ed%98%b8-%ec%9e%a5%ec%b9%98\/"},"modified":"2024-04-27T16:46:18","modified_gmt":"2024-04-27T16:46:18","slug":"%eb%aa%a8%ed%84%b0-%ec%a0%91%ec%a7%80-%ea%b2%b0%ed%95%a8-%eb%b3%b4%ed%98%b8-%ec%9e%a5%ec%b9%98","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%eb%aa%a8%ed%84%b0-%ec%a0%91%ec%a7%80-%ea%b2%b0%ed%95%a8-%eb%b3%b4%ed%98%b8-%ec%9e%a5%ec%b9%98\/","title":{"rendered":"\ubaa8\ud130 \uc811\uc9c0 \uacb0\ud568 \ubcf4\ud638 \uc7a5\uce58"},"content":{"rendered":"<p class=\"sidekick\">\ubaa8\ud130 \uc811\uc9c0 \uacb0\ud568 \ubcf4\ud638 \uc7a5\uce58\ub294 \uc804\uae30 \ubaa8\ud130\uc758 \uc548\uc804\ud55c \uc6b4\uc6a9\uc744 \ubcf4\uc7a5\ud558\uba70 \uc804\uae30\uc801 \ub2e8\ub77d\uacfc \ud654\uc7ac \uc704\ud5d8\uc73c\ub85c\ubd80\ud130 \ubcf4\ud638\ud569\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/04\/\ubaa8\ud130-\uc811\uc9c0-\uacb0\ud568-\ubcf4\ud638-\uc7a5\uce58.png\" alt=\"\ubaa8\ud130 \uc811\uc9c0 \uacb0\ud568 \ubcf4\ud638 \uc7a5\uce58\"\/><\/p>\n<h2>\ubaa8\ud130 \uc811\uc9c0 \uacb0\ud568 \ubcf4\ud638 \uc7a5\uce58\ub780 \ubb34\uc5c7\uc778\uac00?<\/h2>\n<p>\uc804\uae30 \ubaa8\ud130\ub294 \ud604\ub300 \uc0b0\uc5c5\uc5d0\uc11c \uc5c6\uc5b4\uc11c\ub294 \uc548 \ub420 \ud544\uc218 \ubd80\ud488\uc774\uba70, \uadf8 \uc548\uc804\ud55c \uc6b4\uc6a9\uc740 \uae30\uacc4\uc801 \uc2dc\uc2a4\ud15c\uc758 \ud6a8\uc728\uc131\uacfc \uc548\uc815\uc131\uc744 \uacb0\uc815\uc9d3\ub294 \uc911\uc694\ud55c \uc694\uc18c\uc785\ub2c8\ub2e4. \ubaa8\ud130\uc5d0 \uc18c\uc694\ub418\ub294 \uc804\uc6d0\uc744 \uc548\uc804\ud558\uac8c \uad00\ub9ac\ud558\ub294 \uc77c\uc740 \uc7a5\ube44\uc758 \uc218\uba85\uc744 \uc5f0\uc7a5\uc2dc\ud0a4\uace0 \uc7a0\uc7ac\uc801\uc778 \uc704\ud5d8\uc73c\ub85c\ubd80\ud130 \uc791\uc5c5 \ud658\uacbd\uc744 \ubcf4\ud638\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubb38\uc81c \uc911 \ud558\ub098\uac00 \ubc14\ub85c \uc811\uc9c0 \uacb0\ud568\uc774\uba70, \uc774\ub97c \ud0d0\uc9c0\ud558\uace0 \ubcf4\ud638\ud558\uae30 \uc704\ud574 &#8216;\ubaa8\ud130 \uc811\uc9c0 \uacb0\ud568 \ubcf4\ud638 \uc7a5\uce58&#8217;\uac00 \uac1c\ubc1c\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc811\uc9c0 \uacb0\ud568 \ubcf4\ud638 \uc7a5\uce58\ub294 \uc804\uae30\uc801 \ub2e8\ub77d, \uacfc\uc804\ub958, \ub354 \ub098\uc544\uac00 \ud654\uc7ac\ub098 \uc804\uae30 \ucda9\uaca9\uacfc \uac19\uc740 \uc704\ud5d8\uc73c\ub85c\ubd80\ud130 \ubaa8\ud130\uc640 \uc5f0\uacb0\ub41c \ud68c\ub85c\ub97c \ubcf4\ud638\ud558\ub294 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ud2b9\ud788, \uc811\uc9c0 \uacb0\ud568\uc774 \uc0dd\uacbc\uc744 \ub54c \uc774\ub97c \uc2e0\uc18d\ud558\uac8c \uac10\uc9c0\ud558\uace0 \ud68c\ub85c\ub97c \ucc28\ub2e8\ud568\uc73c\ub85c\uc368, \uc0ac\uace0\uc758 \uac00\ub2a5\uc131\uc744 \ub300\ud3ed \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc811\uc9c0 \uacb0\ud568\uc774\ub780 \uc804\uae30 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc808\uc5f0\uccb4\uac00 \uc190\uc0c1\ub418\uac70\ub098 \ubd88\uc644\uc804\ud574\uc9c0\uba70 \ubc1c\uc0dd\ud558\ub294 \uc0c1\ud669\uc73c\ub85c, \uc804\ub958\uac00 \uc758\ub3c4\uce58 \uc54a\uc740 \uacbd\ub85c\ub97c \ub530\ub77c \ud750\ub974\uac8c \ub418\uc5b4 \uc704\ud5d8\ud55c \uc0c1\ud669\uc744 \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc5b4\ub5bb\uac8c \uc791\ub3d9\ud558\ub098?<\/h2>\n<p>\ubaa8\ud130 \uc811\uc9c0 \uacb0\ud568 \ubcf4\ud638 \uc7a5\uce58\ub294 \uc8fc\ub85c \ucc28\ub2e8\uae30\ub098 \ub9b4\ub808\uc774\uc640 \uac19\uc740 \ubcf4\ud638 \uc7a5\uce58\uc640 \uc5f0\uacc4\ud558\uc5ec \uc791\ub3d9\ud569\ub2c8\ub2e4. \uc774 \uc7a5\uce58\ub294 \ubaa8\ud130\uc758 \uc804\uc6d0 \uacf5\uae09 \ud68c\ub85c\uc5d0 \uc124\uce58\ub418\uba70, \uc815\uc0c1\uc801\uc778 \uc791\ub3d9 \uc870\uac74\uc5d0\uc11c\ub294 \ub204\uc804\uc804\ub958(leakage current)\uc758 \uc815\uc0c1 \ubc94\uc704 \uc548\uc5d0\uc11c \uc720\uc9c0\ub429\ub2c8\ub2e4. \ub9cc\uc57d \uc808\uc5f0\uccb4\uc5d0 \uacb0\ud568\uc774 \uc0dd\uaca8 \ub204\uc804\uc804\ub958\uac00 \uc99d\uac00\ud558\uac70\ub098 \ud5c8\uc6a9\uce58\ub97c \ucd08\uacfc\ud560 \uacbd\uc6b0, \ubcf4\ud638 \uc7a5\uce58\ub294 \uc774\ub97c \uac10\uc9c0\ud558\uace0 \uc989\uc2dc \ud68c\ub85c\ub97c \ucc28\ub2e8\ud558\uac8c \ub429\ub2c8\ub2e4.<\/p>\n<p>\ucc28\ub2e8 \ub3d9\uc791\uc740 \ub300\uac1c \ubbf8\ub9ac \uc124\uc815\ub41c \ub204\uc804\uc804\ub958 \uac10\uc9c0 \ub808\ubca8\uc5d0 \ub3c4\ub2ec\ud588\uc744 \ub54c \ud65c\uc131\ud654\ub418\uba70, \uc774\ub97c \uc704\ud574 \ubaa8\ud130 \uc811\uc9c0 \uacb0\ud568 \ubcf4\ud638 \uc7a5\uce58\ub294 \ubbfc\uac10\ub3c4\ub97c \uc870\uc808\ud560 \uc218 \uc788\ub294 \uac10\uc9c0 \ud68c\ub85c\ub97c \ud0d1\uc7ac\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc911\uc694\ud55c \uac83\uc740 \ub204\uc804\uc804\ub958 \uac10\uc9c0 \ub808\ubca8\uc744 \ud604\uc7a5 \uc0c1\ud669\uacfc \ubaa8\ud130\uc758 \ud2b9\uc131\uc5d0 \ub9de\uac8c \uc801\uc808\ud558\uac8c \uc124\uc815\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<h2>\uc811\uc9c0 \uacb0\ud568 \ubcf4\ud638 \uc7a5\uce58\uc758 \uad6c\uc131 \uc694\uc18c<\/h2>\n<ul>\n<li>\uac10\uc9c0 \ud68c\ub85c: \uc804\ub958 \ubcc0\ud654\ub97c \uac10\uc9c0\ud558\uace0 \ucc98\ub9ac\ud558\uc5ec \ubcf4\ud638 \uc7a5\uce58\uc5d0 \uc2e0\ud638\ub97c \uc804\ub2ec\ud569\ub2c8\ub2e4.<\/li>\n<li>\ucc28\ub2e8\uae30: \uac10\uc9c0 \ud68c\ub85c\uc758 \uc2e0\ud638\uc5d0 \ub530\ub77c \uc804\ub958\ub97c \ucc28\ub2e8\ud558\ub294 \uc7a5\uce58\uc785\ub2c8\ub2e4.<\/li>\n<li>\ub9b4\ub808\uc774: \uac10\uc9c0\ub41c \uacb0\ud568\uc5d0 \uae30\ubc18\ud558\uc5ec \ucc28\ub2e8\uae30\ub97c \uc791\ub3d9\uc2dc\ud0a4\ub294 \uc911\uac04 \uc7a5\uce58\uc785\ub2c8\ub2e4.<\/li>\n<li>\ud14c\uc2a4\ud2b8 \ubc84\ud2bc: \uc815\uae30\uc801\uc778 \uc2dc\ud5d8 \uc6b4\ud589 \ubc0f \uc810\uac80\uc744 \uc704\ud55c \uae30\ub2a5\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uacb0\ub860\uc801\uc73c\ub85c, \ubaa8\ud130 \uc811\uc9c0 \uacb0\ud568 \ubcf4\ud638 \uc7a5\uce58\ub294 \uc2dc\uc2a4\ud15c\uc758 \uc548\uc804\uc744 \ud655\ubcf4\ud558\uace0 \ubaa8\ud130\uc758 \ube44\uc988\ub2c8\uc2a4 \uc5f0\uc18d\uc131\uc744 \uc720\uc9c0\ud558\ub294\ub370 \ud06c\uac8c \uae30\uc5ec\ud569\ub2c8\ub2e4. \uc7a5\uce58\uc758 \uc801\uc808\ud55c \uc124\uc815\uacfc \uc720\uc9c0 \uad00\ub9ac\ub294 \uc791\uc5c5\uc7a5\uc758 \uc548\uc804\uacfc \uc9c1\uacb0\ub418\ubbc0\ub85c, \uc774\ub97c \uac8c\uc744\ub9ac\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4.<\/p>\n<h2>\uc2dc\uc7a5\uc5d0 \ub098\uc640 \uc788\ub294 \ubaa8\ud130 \uc811\uc9c0 \uacb0\ud568 \ubcf4\ud638 \uc7a5\uce58\uc758 \uc608<\/h2>\n<p>\uc2dc\uc7a5\uc5d0\ub294 \uc5ec\ub7ec \uc885\ub958\uc758 \uc811\uc9c0 \uacb0\ud568 \ubcf4\ud638 \uc7a5\uce58\uac00 \ub098\uc640 \uc788\uc73c\uba70, \uace0\uac1d\uc758 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub9de\ucd94\uc5b4 \ub2e4\uc591\ud55c \uc2a4\ud399\uacfc \uae30\ub2a5\uc744 \uac16\ucd98 \uc81c\ud488\ub4e4\uc774 \uac1c\ubc1c\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ub300\ud45c\uc801\uc73c\ub85c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc81c\ud488\ub4e4\uc774 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uc9c0\uad6c \ub204\uc804 \ucc28\ub2e8\uae30(Ground Fault Circuit Interrupter, GFCI)<\/li>\n<li>\uc811\uc9c0 \ub204\uc804 \ubcf4\ud638 \ub9b4\ub808\uc774(Ground Fault Protection Relay, GFPR)<\/li>\n<li>\uc811\uc9c0 \ub204\uc804 \uac10\uc2dc\uae30(Ground Fault Monitor)<\/li>\n<\/ul>\n<p>\uc81c\ud488\uc744 \uc120\ud0dd\ud560 \ub54c\ub294 \uc804\uc555, \uc804\ub958 \ub808\ubca8, \ud658\uacbd \uc870\uac74, \uc791\ub3d9 \ube48\ub3c4, \uc608\uc0b0 \ub4f1\uc758 \uc694\uc18c\ub97c \uace0\ub824\ud558\uc5ec \uac00\uc7a5 \uc801\ud569\ud55c \ubaa8\ub378\uc744 \uacb0\uc815\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<h2>\uc815\uae30\uc801 \uc810\uac80 \ubc0f \uc720\uc9c0\ubcf4\uc218\uc758 \uc911\uc694\uc131<\/h2>\n<p>\ubaa8\ud130 \uc811\uc9c0 \uacb0\ud568 \ubcf4\ud638 \uc7a5\uce58\uc758 \ud6a8\uacfc\uc801\uc778 \uc791\ub3d9\uc744 \uc704\ud574 \uc815\uae30\uc801\uc778 \uc810\uac80\uacfc \uc720\uc9c0\ubcf4\uc218\uac00 \ud544\uc218\uc785\ub2c8\ub2e4. \ubcf4\ud638 \uc7a5\uce58\uc758 \uac10\uc9c0 \ud68c\ub85c\ub294 \uc2dc\uac04\uc774 \uc9c0\ub0a8\uc5d0 \ub530\ub77c \uadf8 \uac10\ub3c4\uac00 \ub5a8\uc5b4\uc9c8 \uc218 \uc788\uace0, \ud658\uacbd\uc801\uc778 \uc694\uc778\uc73c\ub85c \uc778\ud574 \uc190\uc0c1\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c, \uc815\uae30\uc801\uc778 \ud14c\uc2a4\ud2b8\ub97c \ud1b5\ud574 \ubaa8\ub4e0 \uad6c\uc131 \uc694\uc18c\uac00 \uc81c\ub300\ub85c \uc791\ub3d9\ud558\ub294\uc9c0 \ud655\uc778\ud558\uace0 \ud544\uc694\ud55c \uacbd\uc6b0 \uc720\uc9c0\ubcf4\uc218\ub97c \uc218\ud589\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc720\uc9c0\ubcf4\uc218 \uc791\uc5c5\uc5d0\ub294 \uac10\uc9c0 \ud68c\ub85c\uc758 \uac10\ub3c4 \uac80\uc0ac, \ucc28\ub2e8\uae30 \ubc0f \ub9b4\ub808\uc774\uc758 \uae30\ub2a5 \ud14c\uc2a4\ud2b8, \uadf8\ub9ac\uace0 \uc808\uc5f0 \uc0c1\ud0dc\uc758 \ud655\uc778\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n<h2>\uad50\uc721 \ubc0f \ud6c8\ub828\uc758 \uc911\uc694\uc131<\/h2>\n<p>\uae30\uacc4\ub97c \ub2e4\ub8e8\ub294 \uc791\uc5c5\uc790\ub4e4\uc774 \uba85\ud655\ud558\uac8c \uc774\ud574\ud558\uace0 \uc788\uc5b4\uc57c \ud560 \ub610 \ub2e4\ub978 \uc911\uc694\ud55c \uc694\uc18c\ub294, \uc811\uc9c0 \uacb0\ud568 \ubcf4\ud638 \uc7a5\uce58\uc758 \uc791\ub3d9 \uc6d0\ub9ac\uc640 \uc751\uae09 \uc0c1\ud669\uc5d0\uc11c\uc758 \uc870\uce58 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc9c0\uc2dd\uc740 \uc791\uc5c5\uc790\ub4e4\uc774 \uc7a5\ube44\ub97c \uc548\uc804\ud558\uac8c \uc0ac\uc6a9\ud558\uace0, \uac10\uc9c0\ub418\ub294 \uc5b4\ub5a0\ud55c \uc774\uc0c1 \uc2e0\ud638\uc5d0\ub3c4 \uc2e0\uc18d\ud558\uace0 \uc815\ud655\ud558\uac8c \ub300\uc751\ud560 \uc218 \uc788\ub3c4\ub85d \ud568\uc73c\ub85c\uc368, \uc791\uc5c5 \ud604\uc7a5\uc758 \uc548\uc804\uc744 \uc9c8\uc11c \uc788\uac8c \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c, \uc791\uc5c5\uc790\ub4e4\uc5d0\uac8c \uad50\uc721\uacfc \ud6c8\ub828\uc744 \uc9c0\uc18d\uc801\uc73c\ub85c \uc81c\uacf5\ud558\ub294 \uac83\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<p>\uacb0\ub860\uc801\uc73c\ub85c, \ubaa8\ud130 \uc811\uc9c0 \uacb0\ud568 \ubcf4\ud638 \uc7a5\uce58\ub294 \uc804\uae30 \ubaa8\ud130 \ubc0f \uad00\ub828 \uc2dc\uc2a4\ud15c\uc758 \ubcf4\ud638\uc5d0 \uc788\uc5b4 \ud544\uc218\uc801\uc778 \uc5ed\ud560\uc744 \uc218\ud589\ud569\ub2c8\ub2e4. \uc774 \uc7a5\uce58\ub294 \ubaa8\ud130\uc758 \uc218\uba85\uc744 \uc5f0\uc7a5\uc2dc\ud0a4\uace0, \uc791\uc5c5 \ud658\uacbd\uc5d0\uc11c\uc758 \uc548\uc804\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \uc815\uad50\ud558\uac8c \uc124\uacc4\ub418\uc5c8\uc73c\uba70, \uc0ac\uace0\uc758 \uc704\ud5d8\uc744 \ucd5c\uc18c\ud654\ud558\ub294 \ub370 \ud070 \uae30\uc5ec\ub97c \ud569\ub2c8\ub2e4. \uc815\uae30\uc801\uc778 \uc810\uac80\uacfc \uc720\uc9c0\ubcf4\uc218, \uadf8\ub9ac\uace0 \uc791\uc5c5\uc790 \uad50\uc721 \ubc0f \ud6c8\ub828\uc740 \ubcf4\ud638 \uc7a5\uce58\uac00 \uc9c0\uc18d\uc801\uc73c\ub85c \uadf8 \uae30\ub2a5\uc744 \uc218\ud589\ud560 \uc218 \uc788\uac8c \ub3c4\uc640\uc90d\ub2c8\ub2e4. \ub530\ub77c\uc11c, \uc774\ub4e4\uc744 \uc18c\ud640\ud788 \ud558\uc9c0 \ub9d0\uace0, \ud604\ub300 \uc0b0\uc5c5 \ud658\uacbd\uc5d0\uc11c\uc758 \ubaa8\ud130 \ubcf4\ud638 \ubc0f \uc548\uc804 \uad00\ub9ac\uc5d0 \ud56d\uc0c1 \uc911\uc810\uc744 \ub450\uc5b4\uc57c \ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ubaa8\ud130 \uc811\uc9c0 \uacb0\ud568 \ubcf4\ud638 \uc7a5\uce58\ub294 \uc804\uae30 \ubaa8\ud130\uc758 \uc548\uc804\ud55c \uc6b4\uc6a9\uc744 \ubcf4\uc7a5\ud558\uba70 \uc804\uae30\uc801 \ub2e8\ub77d\uacfc \ud654\uc7ac \uc704\ud5d8\uc73c\ub85c\ubd80\ud130 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