{"id":147141,"date":"2024-04-27T13:28:23","date_gmt":"2024-04-27T13:28:23","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ec%a0%95%ed%98%84%ed%8c%8c-%ec%9d%b8%eb%b2%84%ed%84%b0\/"},"modified":"2024-04-27T13:28:24","modified_gmt":"2024-04-27T13:28:24","slug":"%ec%a0%95%ed%98%84%ed%8c%8c-%ec%9d%b8%eb%b2%84%ed%84%b0","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ec%a0%95%ed%98%84%ed%8c%8c-%ec%9d%b8%eb%b2%84%ed%84%b0\/","title":{"rendered":"\uc815\ud604\ud30c \uc778\ubc84\ud130"},"content":{"rendered":"

\uc815\ud604\ud30c \uc778\ubc84\ud130\ub294 \uc9c1\ub958\ub97c \uace0\ud488\uc9c8\uc758 \uad50\ub958\ub85c \ubcc0\ud658\ud558\ub294 \uc7a5\uce58\ub85c\uc11c, \uac00\uc815\uc6a9 \ubc31\uc5c5 \uc804\uc6d0, \ud0dc\uc591\uad11 \ubc1c\uc804, \uc804\uae30\ucc28\ub7c9 \ub4f1 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n

\"\uc815\ud604\ud30c<\/p>\n

\uc815\ud604\ud30c \uc778\ubc84\ud130\ub780 \ubb34\uc5c7\uc778\uac00?<\/h2>\n

\ud604\ub300 \uc804\uc790 \uc7a5\ube44\uac00 \uc77c\uc0c1\uc0dd\ud65c \uc18d\uc5d0\uc11c \ucc28\uc9c0\ud558\ub294 \ube44\uc911\uc774 \uacc4\uc18d\ud574\uc11c \ucee4\uc9c0\uace0 \uc788\ub294 \uc0c1\ud669\uc5d0\uc11c \uc815\ud604\ud30c \uc778\ubc84\ud130\ub294 \ub9e4\uc6b0 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud558\uace0 \uc788\ub2e4. \uc815\ud604\ud30c \uc778\ubc84\ud130(sine wave inverter)\ub294 \uc9c1\ub958(DC) \uc804\uc6d0\uc744 \uad50\ub958(AC) \uc804\uc6d0, \ud2b9\ud788 \uc0ac\uc778\ud30c \ud615\ud0dc\uc758 \uad50\ub958 \uc804\uc6d0\uc73c\ub85c \ubcc0\ud658\ud558\ub294 \uc7a5\uce58\ub2e4. \uc774 \uc7a5\uce58\ub294 \uac00\uc815\uc6a9 \ubc31\uc5c5 \uc804\uc6d0 \uc2dc\uc2a4\ud15c, \ud0dc\uc591\uad11 \ubc1c\uc804 \uc2dc\uc2a4\ud15c, \uc804\uae30\ucc28\ub7c9, UP(Uninterruptible Power Supplies) \ub4f1 \ub2e4\uc591\ud55c \uacf3\uc5d0 \ud65c\uc6a9\ub418\uba70, \uc774\ub7ec\ud55c \uae30\uae30\ub4e4\uc774 \uc815\uc0c1\uc801\uc73c\ub85c \uc791\ub3d9\ud558\uae30 \uc704\ud574 \ud544\uc218\uc801\uc774\ub2e4.<\/p>\n

\uc815\ud604\ud30c\ub780 \ubb34\uc5c7\uc778\uac00?<\/h2>\n

\uc804\uae30\uc640 \uad00\ub828\ub41c \ub9ce\uc740 \ub300\ud654\uc5d0\uc11c ‘\uc815\ud604\ud30c’\ub77c\ub294 \uc6a9\uc5b4\uac00 \uc790\uc8fc \uc5b8\uae09\ub41c\ub2e4. \uc815\ud604\ud30c\ub294 \uc2dc\uac04\uc5d0 \ub530\ub77c \ubcc0\ud654\ud558\ub294 \ud30c\ud615\uc758 \uc77c\uc885\uc73c\ub85c, \uac00\uc7a5 \uae30\ucd08\uc801\uc778 \ud30c\ud615 \uc911 \ud558\ub098\uc774\ub2e4. \uc218\ud559\uc801\uc73c\ub85c\ub294 f(t) = A * sin(2\u03c0ft + \u03c6)<\/i>\ub77c\ub294 \uc2dd\uc73c\ub85c \ud45c\ud604\ud560 \uc218 \uc788\uc73c\uba70, \uc5ec\uae30\uc11c A<\/i>\ub294 \uc9c4\ud3ed(amplitude)\uc744, f<\/i>\ub294 \uc8fc\ud30c\uc218(frequency)\ub97c, \uadf8\ub9ac\uace0 \u03c6<\/i>\ub294 \uc704\uc0c1(phase)\uc744 \ub098\ud0c0\ub0b8\ub2e4. \ub300\ubd80\ubd84\uc758 \uac00\uc804\uc81c\ud488\uacfc \uc804\uc790 \uae30\uae30\ub4e4\uc740 \uc774 \uc0ac\uc778\ud30c \ud615\ud0dc\uc758 \uc804\ub958\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc124\uacc4\ub418\uc5c8\ub2e4. \uc65c\ub0d0\ud558\uba74 \uc0ac\uc778\ud30c\ub294 \uc790\uc5f0\uacc4\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc804\uc790\uae30\uc801 \ud30c\ub3d9\uc758 \ud615\ud0dc\uc640 \ub9e4\uc6b0 \uc720\uc0ac\ud558\uace0, \uc5d0\ub108\uc9c0\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \uc804\ub2ec\ud558\ub294 \ubc29\uc2dd\uc774\uae30 \ub54c\ubb38\uc774\ub2e4.<\/p>\n

\uc778\ubc84\ud130\uc758 \uae30\ubcf8 \uc6d0\ub9ac<\/h2>\n

\uc778\ubc84\ud130\ub294 \uc804\uc790 \uc2a4\uc704\uce58\ub97c \uc0ac\uc6a9\ud558\uc5ec DC \uc804\uc6d0\uc744 AC \uc804\uc6d0\uc73c\ub85c \ubcc0\ud658\ud55c\ub2e4. \uc774\ub7ec\ud55c \uc804\uc790 \uc2a4\uc704\uce58\ub294 \ud2b8\ub79c\uc9c0\uc2a4\ud130, MOSFET(Metal Oxide Semiconductor Field Effect Transistor), \ub610\ub294 IGBT(Insulated Gate Bipolar Transistor)\uc640 \uac19\uc740 \ubc18\ub3c4\uccb4 \uc18c\uc790\uac00 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub41c\ub2e4. \uc774\ub4e4\uc740 \uc804\uae30 \uc2e0\ud638\uc5d0 \uc758\ud574 \uc804\ub3c4 \uc0c1\ud0dc\uc640 \ucc28\ub2e8 \uc0c1\ud0dc\ub97c \ube60\ub974\uac8c \uc804\ud658\ud560 \uc218 \uc788\uc73c\uba70, \uc774\uc640 \uac19\uc740 \uc804\ud658 \ub3d9\uc791\uc774 \uacc4\uc18d\ub428\uc73c\ub85c\uc368 \uacb0\uad6d \uc815\ud604\ud30c \ud615\ud0dc\uc758 AC \uc804\ub958\ub97c \uc0dd\uc131\ud55c\ub2e4.<\/p>\n

\uc778\ubc84\ud130 \ub0b4\ubd80\uc5d0\uc11c\ub294 \uc5ec\ub7ec \uc804\uc790 \ud68c\ub85c\uac00 \ubcf5\uc7a1\ud558\uac8c \uc5f0\uacb0\ub418\uc5b4, \uc785\ub825\ub41c DC \uc804\uc6d0\uc744 \uba3c\uc800 \uc0ac\uc778\ud30c\uc640 \uc720\uc0ac\ud55c \ud615\ud0dc\ub85c \ubcc0\ud658\ud558\uba70, \uc774 \uacfc\uc815\uc744 ‘\ud384\uc2a4 \ud3ed \ubcc0\uc870'(PWM)\ub77c\uace0 \ud55c\ub2e4. PWM\uc740 DC \uc2e0\ud638\ub97c \ucd08\uace0\uc18d\uc73c\ub85c \ucf1c\uace0 \ub054\uc73c\ub85c\uc368 \uc6d0\ud558\ub294 \ud30c\ud615\uc758 \uc804\uc555\uc744 \ud569\uc131\ud558\ub294 \uae30\uc220\uc774\ub2e4. \uc774\ud6c4 \uc774\ub7ec\ud55c \uc2e0\ud638\uac00 \ubcc0\uc555\uae30\ub098 \ud544\ud130\ub97c \uac70\uce58\uba74\uc11c \ubcf4\ub2e4 \uc815\uad50\ud558\uace0 \ub9e4\ub044\ub7ec\uc6b4 \uc0ac\uc778\ud30c\ub85c \ubcc0\ud658\ub418\uc5b4 \ucd9c\ub825\ub41c\ub2e4.<\/p>\n

\uc815\ud604\ud30c \uc778\ubc84\ud130\uc758 \uc885\ub958\uc640 \uc751\uc6a9<\/h2>\n

\uc815\ud604\ud30c \uc778\ubc84\ud130\ub294 \uadf8 \uc0ac\uc6a9 \uc6a9\ub3c4\uc5d0 \ub530\ub77c \ud06c\uac8c \ub450 \uac00\uc9c0 \uc720\ud615\uc73c\ub85c \ub098\ub25c\ub2e4. \uadf8\uc911 \ud558\ub098\ub294 \uc2a4\ud0e0\ub4dc\uc5bc\ub860(independent) \uc778\ubc84\ud130\ub85c, \ub3c5\ub9bd\uc801\uc778 \uc804\uc6d0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc0ac\uc6a9\ub418\uba70 \ud0dc\uc591\uad11 \ubc1c\uc804\uacfc \uac19\uc740 \uc7ac\uc0dd \uc5d0\ub108\uc9c0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc8fc\ub85c \ubcfc \uc218 \uc788\ub2e4. \ub2e4\ub978 \ud558\ub098\ub294 \uadf8\ub9ac\ub4dc \ud0c0\uc785(grid-tie) \uc778\ubc84\ud130\ub85c, \uae30\uc874\uc758 \uc804\ub825\ub9dd\uacfc \ub3d9\uae30\ud654\ub418\uc5b4 \uc0ac\uc6a9\ub41c\ub2e4.<\/p>\n

\uc2a4\ud0e0\ub4dc\uc5bc\ub860 \uc778\ubc84\ud130\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ubc30\ud130\ub9ac\ub85c\ubd80\ud130 \uc804\uc6d0\uc744 \uacf5\uae09\ubc1b\ub294\ub2e4. \ud0dc\uc591\uad11 \ud328\ub110\uc774\ub098 \ud48d\ub825 \ud130\ube48\uacfc \uac19\uc740 \uc5d0\ub108\uc9c0\uc6d0\uc744 \ud1b5\ud574 \ucda9\uc804\ub41c \ubc30\ud130\ub9ac\ub294 DC \uc804\uc6d0\uc744 \uc800\uc7a5\ud558\ub294\ub370, \uc774\ub54c \uc778\ubc84\ud130\uac00 \uc774\ub97c \ubcc0\ud658\ud558\uc5ec \uac00\uc815 \ub0b4 \uc804\uae30 \uc7a5\ube44\ub4e4\uc774 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 AC \uc804\uc6d0\uc73c\ub85c \ub9cc\ub4e0\ub2e4.<\/p>\n

\uadf8\ub9ac\ub4dc \ud0c0\uc785 \uc778\ubc84\ud130\ub294 \ud0dc\uc591 \uc804\uc9c0 \ud328\ub110\uc774\ub098 \ud48d\ub825 \ubc1c\uc804\uae30 \ub4f1\uc744 \ud1b5\ud574 \uc0dd\uc131\ub41c \uc804\ub958\uac00 \uc804\ub825\ub9dd\uc5d0 \uc9c1\uc811 \uacf5\uae09\ub420 \uc218 \uc788\ub3c4\ub85d \ubcc0\ud658\ud574 \uc8fc\ub294 \uc7a5\uce58\ub2e4. \uc774 \uc778\ubc84\ud130\ub294 \uc804\ub825 \uacf5\uae09\ub9dd\uacfc \ub3d9\uae30\ud654\ub418\uc5b4\uc57c \ud558\uae30 \ub54c\ubb38\uc5d0, \ubcf5\uc7a1\ud55c \uc81c\uc5b4 \uc2dc\uc2a4\ud15c\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc804\ub958\uc758 \uc704\uc0c1\uacfc \uc8fc\ud30c\uc218\ub97c \uc815\ubc00\ud558\uac8c \uc870\uc815\ud55c\ub2e4.<\/p>\n

\uc815\ud604\ud30c \uc778\ubc84\ud130\ub294 \uae68\ub057\ud558\uace0 \uc548\uc815\uc801\uc778 \uc804\ub825\uc744 \uacf5\uae09\ud558\ub294 \uae30\ub2a5 \ub355\ubd84\uc5d0 \uc758\ub8cc \uc7a5\ube44, \ubbfc\uac10\ud55c \uc804\uc790 \uc7a5\ube44, \ud1b5\uc2e0 \uc7a5\ube44 \ub4f1\uc5d0\uc11c\ub3c4 \ub110\ub9ac \uc4f0\uc774\uace0 \uc788\ub294\ub370, \uc774\ub7ec\ud55c \uc7a5\ube44\ub4e4\uc740 \uc804\ub825\uc758 \uc9c8\uc5d0 \ub9e4\uc6b0 \ubbfc\uac10\ud558\uae30 \ub54c\ubb38\uc5d0 \uc815\ud604\ud30c \uc778\ubc84\ud130\ub85c\ubd80\ud130 \uacf5\uae09\ubc1b\ub294 \uc804\ub825\uc758 \uc548\uc815\uc131\uc774 \ub9e4\uc6b0 \uc911\uc694\ud558\ub2e4.<\/p>\n

\uc815\ud604\ud30c \uc778\ubc84\ud130\uc758 \uc7a5\uc810<\/h2>\n

\uc77c\ubc18\uc801\uc778 \uc778\ubc84\ud130\uc5d0 \ube44\ud574 \uc815\ud604\ud30c \uc778\ubc84\ud130\ub294 \uc5ec\ub7ec \uac00\uc9c0 \uc7a5\uc810\uc774 \uc788\ub2e4. \uc6b0\uc120, \uc815\ud604\ud30c \uc778\ubc84\ud130\ub294 \uc804\uc790\uae30\uae30\uc5d0 \uacf5\uae09\ub418\ub294 \uc804\ub825\uc758 \ud488\uc9c8\uc774 \ub354 \uc88b\ub2e4. \uc774\ub7ec\ud55c \ud488\uc9c8\uc740 \uc804\uc790\uae30\uae30\uc758 \uc218\uba85\uacfc \uc131\ub2a5\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce5c\ub2e4. \uc815\uc804\uae30\ub098 \uacfc\uc804\ub958\uc640 \uac19\uc740 \uc804\ub825 \ubb38\uc81c\uc5d0 \uc758\ud55c \uace0\uc7a5 \uc704\ud5d8\uc774 \ud68d\uae30\uc801\uc73c\ub85c \uac10\uc18c\ud55c\ub2e4\ub294 \uc758\ubbf8\ub2e4. \ub610\ud55c, \uc815\ud604\ud30c\ub294 \ubaa8\ud130\ub098 \ud2b8\ub79c\uc2a4\ud3ec\uba38\uc640 \uac19\uc740 \uc720\ub3c4\uc131 \ubd80\ud558\uac00 \uc788\ub294 \uc7a5\ube44\uc5d0\uc11c\ub3c4 \ud6a8\uc728\uc801\uc73c\ub85c \uc791\ub3d9\ud55c\ub2e4.<\/p>\n

\ub450 \ubc88\uc9f8 \uc7a5\uc810\uc740 \uc5d0\ub108\uc9c0\uac00 \ud6a8\uc728\uc801\uc73c\ub85c \uc0ac\uc6a9\ub41c\ub2e4\ub294 \uc810\uc774\ub2e4. \uc815\ud604\ud30c \uc778\ubc84\ud130\ub294 \uc804\ub825\uc744 \uc18c\ube44\ud558\ub294 \uc7a5\uce58\uc5d0 \ubd80\ub4dc\ub7fd\uace0 \uc5f0\uc18d\uc801\uc778 \ud30c\ud615\uc744 \uc81c\uacf5\ud558\uae30 \ub54c\ubb38\uc5d0, \uc7a5\uce58\ub294 \uc5d0\ub108\uc9c0\ub97c \ucd5c\uc801\uc73c\ub85c \uc0ac\uc6a9\ud558\uba70, \uc774\ub294 \uc804\uae30 \ube44\uc6a9 \uc808\uac10\uc73c\ub85c \uc774\uc5b4\uc9c4\ub2e4.<\/p>\n

\ub9c8\uc9c0\ub9c9\uc73c\ub85c, \uc815\ud604\ud30c \uc778\ubc84\ud130\ub294 \uc18c\uc74c\uc774 \uc801\uace0 \uc804\uc790\ud30c \uac04\uc12d\uc774 \uc904\uc5b4\ub4e0\ub2e4\ub294 \uc7a5\uc810\uc774 \uc788\ub2e4. \uc774\ub85c \uc778\ud574 \uc0ac\ubb34\uc2e4, \ubcd1\uc6d0, \ud559\uad50\uc640 \uac19\uc774 \uc18c\uc74c\uc774\ub098 \uc804\uc790\ud30c \uac04\uc12d\uc5d0 \ubbfc\uac10\ud55c \ud658\uacbd\uc5d0\uc11c\uc758 \uc0ac\uc6a9 \uc801\ud569\uc131\uc774 \ub192\ub2e4.<\/p>\n

\uc815\ud604\ud30c \uc778\ubc84\ud130 \uc120\ud0dd \uc2dc \uace0\ub824\uc0ac\ud56d<\/h2>\n

\uc815\ud604\ud30c \uc778\ubc84\ud130\ub97c \uc120\ud0dd\ud560 \ub54c\ub294 \uba87 \uac00\uc9c0 \uc911\uc694\ud55c \uc694\uc18c\ub97c \uace0\ub824\ud574\uc57c \ud55c\ub2e4. \uc6b0\uc120, \uc0ac\uc6a9\ud558\uace0\uc790 \ud558\ub294 \uae30\uae30\uc758 \uc804\ub825 \uc694\uad6c \uc0ac\ud56d\uc774 \uc911\uc694\ud558\ub2e4. \uc774\ub294 \uc778\ubc84\ud130\uac00 \uacf5\uae09\ud574\uc57c \ud560 \ucd5c\ub300 \uc804\ub825\uc744 \uacb0\uc815\uc9d3\ub294 \uc694\uc18c\ub2e4. \ub610\ud55c, \uc778\ubc84\ud130\uc758 \ud6a8\uc728\uc131, \ud06c\uae30, \uac00\uc911\uce58, \ubcf4\ud638 \uae30\ub2a5, \uadf8\ub9ac\uace0 \uc0ac\uc6a9 \ud658\uacbd\uc774 \uc778\ubc84\ud130\uc758 \uc131\ub2a5\uc5d0 \uc601\ud5a5\uc744 \uc904 \uc218 \uc788\ub2e4.<\/p>\n

\uacb0\ub860<\/h2>\n

\uc815\ud604\ud30c \uc778\ubc84\ud130\ub294 \ud604\ub300 \uc804\uc790 \uc7a5\ube44\uc758 \uc548\uc815\uc801\uc778 \uc791\ub3d9\uc744 \uc704\ud55c \ud544\uc218 \uc694\uc18c\ub85c \uc790\ub9ac\uc7a1\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\uac83\uc774 \uc804\uae30\ub97c \uac00\uc815\uacfc \uc0ac\uc5c5\uc7a5\uc73c\ub85c \uc548\uc804\ud558\uace0 \ud6a8\uc728\uc801\uc73c\ub85c \uc804\ub2ec\ud558\ub294 \ubc29\uc2dd\uc774\ub4e0, \uc7ac\uc0dd \uac00\ub2a5 \uc5d0\ub108\uc9c0 \uc18c\uc2a4\uc5d0\uc11c \uc0dd\uc131\ub418\ub294 \uc804\ub825\uc744 \uc804\ub825\ub9dd\uc73c\ub85c \ud1b5\ud569\ud558\ub294 \uba54\ucee4\ub2c8\uc998\uc774\ub4e0, \uc815\ud604\ud30c \uc778\ubc84\ud130\ub294 \ud604\ub300 \uc0dd\ud65c\uc5d0 \uc788\uc5b4 \uc911\uc694\ud55c \uae30\uc220\uc785\ub2c8\ub2e4. \uc548\uc815\uc801\uc778 \uc804\ub825 \uacf5\uae09, \ud5a5\uc0c1\ub41c \uc5d0\ub108\uc9c0 \ud6a8\uc728, \uac10\uc18c\ub41c \uc18c\uc74c \ubc0f \uc804\uc790\ud30c \uac04\uc12d \ub4f1\uc758 \uc774\uc810\uacfc \ud568\uaed8, \uc774\ub7ec\ud55c \uc778\ubc84\ud130\uac00 \uc81c\uacf5\ud558\ub294 \ub192\uc740 \ud488\uc9c8\uc758 \uc804\ub825\uc740 \ub2e4\uc591\ud55c \uc7a5\ube44\uc640 \uc2dc\uc2a4\ud15c\uc758 \ubcf4\ub2e4 \uae34 \uc218\uba85\uacfc \ub6f0\uc5b4\ub09c \uc131\ub2a5\uc744 \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4. \uc804\uc790 \uae30\uae30\uc640 \uc804\uae30 \uc2dc\uc2a4\ud15c\uc758 \ubc1c\uc804\uc5d0 \ubc1c\ub9de\ucd94\uc5b4, \uc815\ud604\ud30c \uc778\ubc84\ud130\ub294 \uc6b0\ub9ac \uc0dd\ud65c \uacf3\uacf3\uc5d0 \ub354\uc6b1 \uae4a\uc219\uc774 \ud1b5\ud569\ub418\uc5b4 \uac08 \uac83\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"

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