{"id":147813,"date":"2024-04-27T14:59:29","date_gmt":"2024-04-27T14:59:29","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ed%8e%84%ec%8a%a4-%ed%8f%ad-%eb%b3%80%ec%a1%b0-%ec%9d%b8%eb%b2%84%ed%84%b0\/"},"modified":"2024-04-27T14:59:29","modified_gmt":"2024-04-27T14:59:29","slug":"%ed%8e%84%ec%8a%a4-%ed%8f%ad-%eb%b3%80%ec%a1%b0-%ec%9d%b8%eb%b2%84%ed%84%b0","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ed%8e%84%ec%8a%a4-%ed%8f%ad-%eb%b3%80%ec%a1%b0-%ec%9d%b8%eb%b2%84%ed%84%b0\/","title":{"rendered":"\ud384\uc2a4 \ud3ed \ubcc0\uc870 \uc778\ubc84\ud130"},"content":{"rendered":"<p class=\"sidekick\">\ud384\uc2a4 \ud3ed \ubcc0\uc870(PWM) \uc778\ubc84\ud130\uc758 \uc6d0\ub9ac\uc640 \uc751\uc6a9\uc744 \ud0d0\uad6c\ud558\uba70 \uc804\ub825 \uc804\uc790 \uae30\uc220\uc5d0\uc11c\uc758 \uc8fc\uc694 \uc5ed\ud560 \ubc0f \uc5d0\ub108\uc9c0 \ud6a8\uc728\uc131\uc744 \ub192\uc774\ub294 \ubc29\ubc95\uc744 \uc548\ub0b4\ud569\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/04\/\ud384\uc2a4-\ud3ed-\ubcc0\uc870-\uc778\ubc84\ud130.png\" alt=\"\ud384\uc2a4 \ud3ed \ubcc0\uc870 \uc778\ubc84\ud130\"\/><\/p>\n<h2>\ud384\uc2a4 \ud3ed \ubcc0\uc870 \uc778\ubc84\ud130(PWM \uc778\ubc84\ud130) \uc774\ud574\ud558\uae30<\/h2>\n<p>\ud604\ub300 \uc804\uc790\uacf5\ud559\uc5d0\uc11c \ud384\uc2a4 \ud3ed \ubcc0\uc870(Pulse Width Modulation, PWM) \uc778\ubc84\ud130\ub294 \uc804\uae30\ub97c \uc81c\uc5b4\ud558\uae30 \uc704\ud55c \uc911\uc694\ud55c \uae30\uc220 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. PWM \uc778\ubc84\ud130\ub294 \uc8fc\ub85c \uc804\ub825 \ubcc0\ud658\uacfc \uac19\uc740 \ub2e4\uc591\ud55c \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \uc0ac\uc6a9\ub418\uba70 \uc804\uae30 \ubaa8\ud130\uc758 \uc18d\ub3c4 \uc81c\uc5b4, \ud0dc\uc591 \uad11 \ubc1c\uc804, \uc804\uae30\ucc28\uc640 \uac19\uc740 \ub2e4\uc591\ud55c \uc0b0\uc5c5 \ubd84\uc57c\uc5d0\uc11c \uc911\ucd94\uc801\uc778 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n<h2>PWM \uc778\ubc84\ud130\uc758 \uae30\ubcf8 \uc6d0\ub9ac<\/h2>\n<p>PWM \uc778\ubc84\ud130\ub294 \uc9c1\ub958(DC) \uc804\uc6d0\uc744 \uad50\ub958(AC) \uc804\uc6d0\uc73c\ub85c \ubcc0\ud658\ud558\ub294 \uc7a5\uce58\uc785\ub2c8\ub2e4. \uc774 \ubcc0\ud658 \uacfc\uc815\uc740 \ud2b9\uc815\ud55c \uc804\uc555 \uc9c4\ud3ed\uc744 \uac16\ub294 \uc0ac\uac01\ud30c\ub97c \uc0dd\uc131\ud558\uc5ec \uc774\ub8e8\uc5b4\uc9d1\ub2c8\ub2e4. PWM \uae30\uc220\uc740 \uc0ac\uac01\ud30c\uc758 &#8216;\ud3ed'(width)\uc744 \uc870\uc808\ud568\uc73c\ub85c\uc368 \ucd9c\ub825 \uc804\uc555\uc758 \ud3c9\uade0\uac12\uc744 \uc81c\uc5b4\ud569\ub2c8\ub2e4. \uc774\ub7f0 \ubc29\uc2dd\uc73c\ub85c, \uc778\ubc84\ud130\ub294 \ubd80\ud558\uc5d0 \ud544\uc694\ud55c \uc804\uc555\uacfc \uc8fc\ud30c\uc218\ub97c \uc815\ubc00\ud558\uac8c \uc81c\uacf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>PWM \uc778\ubc84\ud130\uc758 \uc791\ub3d9<\/h2>\n<p>PWM \uc778\ubc84\ud130\ub294 \uc2a4\uc704\uce6d \uc7a5\uce58(\uc608: IGBT, MOSFET)\ub97c \uc774\uc6a9\ud558\uc5ec \uc9c1\ub958 \uc804\uc555\uc744 \ucf1c\uace0 \ub044\ub294 \uacfc\uc815\uc744 \ubc18\ubcf5\ud569\ub2c8\ub2e4. \uc2a4\uc704\uce6d \uc18d\ub3c4\ub294 \ub9e4\uc6b0 \ube60\ub974\uae30 \ub54c\ubb38\uc5d0(\uc218 kHz\uc5d0\uc11c \uc218 MHz), \uc804\uc790\uae30\uae30\uac00 \uc2e4\uc81c \uad50\ub958 \uc804\uc6d0\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\ucc98\ub7fc \uc791\ub3d9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. PWM \uc778\ubc84\ud130\uc758 \ud575\uc2ec\uc740 \uc2a4\uc704\uce6d \uc7a5\uce58\uc758 &#8216;\ud384\uc2a4 \ud3ed&#8217;, \uc989 \ucf1c\uc838 \uc788\ub294 \uc2dc\uac04(duration)\uacfc \uaebc\uc838 \uc788\ub294 \uc2dc\uac04\uc744 \ubcc0\uc870(modulation)\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<h2>PWM \uc778\ubc84\ud130\uc758 \uc774\uc810<\/h2>\n<ul>\n<li>\ud6a8\uc728\uc131: PWM \uc778\ubc84\ud130\ub294 \uc5d0\ub108\uc9c0 \uc190\uc2e4\uc744 \ucd5c\uc18c\ud654\ud558\uc5ec \uace0\ud6a8\uc728\uc758 \uc804\ub825 \ubcc0\ud658\uc744 \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4.<\/li>\n<li>\uc81c\uc5b4 \uc6a9\uc774\uc131: \ucd9c\ub825 \uc804\uc555\uacfc \uc8fc\ud30c\uc218\ub97c \uc0ac\uc6a9\uc790\uc758 \uc694\uad6c\uc5d0 \ub9de\ucdb0\uc11c \uc815\ubc00\ud558\uac8c \uc81c\uc5b4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\ubd80\ub4dc\ub7ec\uc6b4 \uc2dc\uc791: \ubaa8\ud130\uc758 \uc2dc\uc791\uacfc \uc815\uc9c0\ub97c \ubd80\ub4dc\ub7fd\uac8c \uc81c\uc5b4\ud558\uc5ec \uae30\uacc4\uc801\uc778 \ucda9\uaca9\uacfc \uc804\uae30\uc801\uc778 \uae09\ubcc0\ub3d9\uc744 \ucd5c\uc18c\ud654\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc18c\uc74c \uac10\uc18c: \uc804\uae30 \ubaa8\ud130 \uc6b4\uc6a9 \uc2dc \uc18c\uc74c\uacfc \uc9c4\ub3d9\uc744 \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>PWM \uc778\ubc84\ud130\uc758 \uc751\uc6a9<\/h2>\n<ol>\n<li>\uac00\ubcc0 \uc18d\ub3c4 \ub4dc\ub77c\uc774\ube0c(VSD): \uc804\uae30 \ubaa8\ud130\uc758 \uc18d\ub3c4\ub97c \uc870\uc808\ud558\uc5ec \uc5d0\ub108\uc9c0 \uc808\uac10 \ubc0f \uacf5\uc815 \uc81c\uc5b4\uc5d0 \ud65c\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li>\ud0dc\uc591 \uad11 \uc778\ubc84\ud130: \ud0dc\uc591 \uc804\uc9c0\ud310\uc73c\ub85c\ubd80\ud130 \uc5bb\uc740 \uc9c1\ub958 \uc804\ub825\uc744 \uad50\ub958 \uc804\ub825\uc73c\ub85c \ubcc0\ud658\ud558\uc5ec \uc804\ub825\ub9dd\uc5d0 \uacf5\uae09\ud569\ub2c8\ub2e4.<\/li>\n<li>\ubb34\uc815\uc804 \uc804\uc6d0\uacf5\uae09\uc7a5\uce58(UPS): \uc804\uc6d0 \uc7a5\uc560 \uc2dc \uc911\uc694\ud55c \uae30\uae30\ub098 \uc2dc\uc2a4\ud15c\uc5d0 \uc9c0\uc18d\uc801\uc778 \uc804\ub825 \uacf5\uae09\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc804\uae30\ucc28: \ubc30\ud130\ub9ac\uc5d0\uc11c \uc800\uc7a5\ud55c \uc9c1\ub958 \uc804\ub825\uc744 \uad50\ub958 \uc804\ub825\uc73c\ub85c \ubcc0\ud658\ud558\uc5ec \uc804\uae30\ucc28\uc758 \ubaa8\ud130\ub97c \uad6c\ub3d9\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<h2>PWM \uae30\uc220\uc758 \ubbf8\ub798\uc640 \ubc1c\uc804 \uac00\ub2a5\uc131<\/h2>\n<p>PWM \uc778\ubc84\ud130 \uae30\uc220\uc740 \uc9c0\uc18d\uc801\uc73c\ub85c \ubc1c\uc804\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc7ac\uc0dd \uac00\ub2a5 \uc5d0\ub108\uc9c0 \ubd84\uc57c\uc758 \uc131\uc7a5, \uc804\uae30\ucc28 \uc2dc\uc7a5\uc758 \ud655\ub300, \uadf8\ub9ac\uace0 \uc2a4\ub9c8\ud2b8 \uadf8\ub9ac\ub4dc \uae30\uc220\uc758 \uc9c4\ubcf4 \ub4f1\uc740 PWM \uc778\ubc84\ud130\uc758 \uc911\uc694\uc131\uc744 \ub354\uc6b1 \uac15\uc870\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c, \uc5d0\ub108\uc9c0 \ud6a8\uc728 \uadf9\ub300\ud654\uc640 \ud658\uacbd \uc601\ud5a5 \ucd5c\uc18c\ud654\ub77c\ub294 \uae00\ub85c\ubc8c \ubaa9\ud45c \ub2ec\uc131\uc744 \uc704\ud574 PWM \uc778\ubc84\ud130\uc640 \uac19\uc740 \uace0\uae09 \uc804\ub825 \uc804\uc790 \uae30\uae30\uc758 \uc5ed\ud560\uc774 \uc911\uc694\ud574\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>PWM \uc778\ubc84\ud130\uc5d0 \ub300\ud55c \uae4a\uc774 \uc788\ub294 \uc774\ud574\uac00 \ud604\ub300 \uc804\uc790\uacf5\ud559\uc758 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c\uc758 \uc751\uc6a9\ubfd0\ub9cc \uc544\ub2c8\ub77c, \uc5d0\ub108\uc9c0\ub97c \ub354 \ud6a8\uacfc\uc801\uc73c\ub85c \uc0ac\uc6a9\ud558\uace0, \ud658\uacbd\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \uc904\uc774\ub294 \ub370\uc5d0\ub3c4 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774 \uae30\uc220\uc758 \ubc1c\uc804\uc740 \uc6b0\ub9ac \uc0b6\uc758 \uc9c8\uc744 \ud5a5\uc0c1\uc2dc\ud0ac \ubfd0\ub9cc \uc544\ub2c8\ub77c, \ubbf8\ub798 \uc0ac\ud68c\uc758 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