{"id":147019,"date":"2024-04-27T13:12:06","date_gmt":"2024-04-27T13:12:06","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ed%8e%84%ec%8a%a4-%ed%8f%ad-%eb%b3%80%ec%a1%b0-%ed%9a%8c%eb%a1%9c\/"},"modified":"2024-04-27T13:12:07","modified_gmt":"2024-04-27T13:12:07","slug":"%ed%8e%84%ec%8a%a4-%ed%8f%ad-%eb%b3%80%ec%a1%b0-%ed%9a%8c%eb%a1%9c","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-%ed%9a%8c%eb%a1%9c\/","title":{"rendered":"\ud384\uc2a4 \ud3ed \ubcc0\uc870 \ud68c\ub85c"},"content":{"rendered":"<p class=\"sidekick\">\ud384\uc2a4 \ud3ed \ubcc0\uc870(PWM) \ud68c\ub85c\uc758 \uc6d0\ub9ac\uc640 \uc751\uc6a9\uc744 \uc124\uba85\ud569\ub2c8\ub2e4. \ub4c0\ud2f0 \uc0ac\uc774\ud074 \uc870\uc808\uc744 \ud1b5\ud55c \uc804\ub825 \uc81c\uc5b4, \ubaa8\ud130 \uc18d\ub3c4 \uc870\uc808, LED \ubc1d\uae30 \uc870\uc815 \ub4f1 \ub2e4\uc591\ud55c \uc0ac\uc6a9\ub840\uc640 PWM \ud68c\ub85c \uc124\uacc4\uc5d0 \ub300\ud574 \uc54c\uc544\ubd05\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/04\/\ud384\uc2a4-\ud3ed-\ubcc0\uc870-\ud68c\ub85c.png\" alt=\"\ud384\uc2a4 \ud3ed \ubcc0\uc870 \ud68c\ub85c\"\/><\/p>\n<h2>\ud384\uc2a4 \ud3ed \ubcc0\uc870(PWM) \ud68c\ub85c\ub780 \ubb34\uc5c7\uc778\uac00?<\/h2>\n<p>\ud384\uc2a4 \ud3ed \ubcc0\uc870(Pulse Width Modulation, PWM) \ud68c\ub85c\ub294 \uc804\uc790 \uae30\uae30\uc5d0\uc11c \ub9e4\uc6b0 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \uc911\uc694\ud55c \uae30\uc220\uc785\ub2c8\ub2e4. PWM\uc740 \uc544\ub0a0\ub85c\uadf8 \uc2e0\ud638\ub97c \ub514\uc9c0\ud138 \ud615\ud0dc\ub85c \ubcc0\ud658\ud558\uc5ec \uc804\ub825\uc744 \uc81c\uc5b4\ud558\ub294 \ubc29\uc2dd \uc911 \ud558\ub098\ub85c, \uc2a4\uc704\uce6d \uc7a5\uce58\ub97c \ud1b5\ud574 \uc804\uc555 \ub610\ub294 \uc804\ub958\uc758 \uace0\uc815 \uc8fc\ud30c\uc218\uc5d0\uc11c \uc2dc\uac04\uc5d0 \ub530\ub978 \ud384\uc2a4\uc758 \ud3ed\uc744 \uac00\ubcc0\ud558\uc5ec \uc544\ub0a0\ub85c\uadf8\uc640 \uac19\uc740 \ud6a8\uacfc\ub97c \ub0b4\ub294 \uae30\ubc95\uc785\ub2c8\ub2e4.<\/p>\n<h2>PWM\uc758 \uae30\ubcf8 \uc6d0\ub9ac<\/h2>\n<p>PWM \ud68c\ub85c\uc758 \ud575\uc2ec\uc740 &#8216;\ub4c0\ud2f0 \uc0ac\uc774\ud074(Duty Cycle)&#8217;\uc758 \uc870\uc808\uc785\ub2c8\ub2e4. \ub4c0\ud2f0 \uc0ac\uc774\ud074\uc740 \ud384\uc2a4\uac00 \ud55c \uc8fc\uae30 \ub3d9\uc548 &#8216;\ucf1c\uc838(On)&#8217; \uc788\ub294 \uc2dc\uac04\uc758 \ube44\uc728\uc744 \ub098\ud0c0\ub0b4\uba70, \uc774\ub97c \uc870\uc808\ud568\uc73c\ub85c\uc368 \ud3c9\uade0 \uc804\ub825\uc744 \uc81c\uc5b4\ud558\uac8c \ub429\ub2c8\ub2e4. \ub4c0\ud2f0 \uc0ac\uc774\ud074\uc740 \ub2e4\uc74c \uacf5\uc2dd\uc73c\ub85c \ud45c\ud604\ub429\ub2c8\ub2e4:<\/p>\n<p>\\[ \\text{\ub4c0\ud2f0 \uc0ac\uc774\ud074(\\%)} = \\left( \\frac{\\text{\ud384\uc2a4\uc758 &#8216;\ucf1c\uc9d0&#8217; \uc2dc\uac04}}{\\text{\ud384\uc2a4\uc758 \ucd1d \uc8fc\uae30}} \\right) * 100\\% \\]<\/p>\n<p>\uc608\ub97c \ub4e4\uc5b4, \ub4c0\ud2f0 \uc0ac\uc774\ud074\uc774 50%\uc77c \uacbd\uc6b0 \ud384\uc2a4\ub294 \uc804\uccb4 \uc8fc\uae30\uc758 \uc808\ubc18 \ub3d9\uc548 &#8216;\ucf1c\uc838&#8217; \uc788\uace0 \ub098\uba38\uc9c0 \uc808\ubc18\uc740 &#8216;\uaebc\uc838&#8217; \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \uc7a5\uce58\uc5d0 \uacf5\uae09\ub418\ub294 \ud3c9\uade0 \uc804\ub825\uc774 \ucd5c\ub300 \uc804\ub825\uc758 50%\uc784\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n<h2>PWM \ud68c\ub85c\uc758 \uc751\uc6a9 \uc608<\/h2>\n<ul>\n<li><b>\ubaa8\ud130 \uc81c\uc5b4:<\/b> PWM\uc740 \ubaa8\ud130\uc758 \uc18d\ub3c4\uc640 \ud1a0\ud06c\ub97c \uc870\uc808\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ub4c0\ud2f0 \uc0ac\uc774\ud074\uc744 \ubcc0\ud654\uc2dc\ucf1c \ubaa8\ud130\uc5d0 \uacf5\uae09\ub418\ub294 \ud3c9\uade0 \uc804\uc555\uc744 \uc81c\uc5b4\ud568\uc73c\ub85c\uc368 \ubd80\ub4dc\ub7fd\uace0 \uc815\ubc00\ud55c \uc18d\ub3c4 \uc870\uc808\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/li>\n<li><b>LED \ubc1d\uae30 \uc870\uc808:<\/b> LED\ub098 \ub2e4\ub978 \uc870\uba85 \uc7a5\uce58\uc758 \ubc1d\uae30\ub97c \ub4c0\ud2f0 \uc0ac\uc774\ud074 \uc870\uc808\uc744 \ud1b5\ud574 \uc81c\uc5b4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub4c0\ud2f0 \uc0ac\uc774\ud074\uc774 \ub0ae\uc73c\uba74 LED\ub294 \ub354 \uc5b4\ub461\uac8c \ube5b\ub098\uace0, \ub4c0\ud2f0 \uc0ac\uc774\ud074\uc774 \ub192\uc73c\uba74 \ub354 \ubc1d\uac8c \ube5b\ub0a9\ub2c8\ub2e4.<\/li>\n<li><b>\uc804\ub825 \ubcc0\ud658:<\/b> DC-DC \ucee8\ubc84\ud130\ub098 AC-AC \ucee8\ubc84\ud130\uc640 \uac19\uc740 \uc804\ub825 \uc804\uc790 \uae30\uae30\uc5d0\uc11c PWM\uc740 \uc804\ub825\uc744 \ud6a8\uc728\uc801\uc73c\ub85c \ubcc0\ud658\ud558\uace0 \uc870\uc808\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>PWM \ud68c\ub85c\uc758 \uc7a5\uc810<\/h2>\n<ul>\n<li>\uc804\ub825 \uc190\uc2e4\uc774 \uc801\uc2b5\ub2c8\ub2e4: \uc2a4\uc704\uce6d \ub3d9\uc791\uc5d0 \uc758\ud574 \uc804\uc790 \ubd80\ud488\uc740 &#8216;\uc804\uccb4\uc801\uc73c\ub85c&#8217; \ub610\ub294 &#8216;\uc804\ud600&#8217; \uc804\ub825\uc744 \uc18c\ubaa8\ud558\uc9c0 \uc54a\uae30 \ub54c\ubb38\uc5d0 \ud6a8\uc728\uc774 \ub192\uc544\uc9d1\ub2c8\ub2e4.<\/li>\n<li>\uc81c\uc5b4\uac00 \uac04\ub2e8\ud569\ub2c8\ub2e4: \ub4c0\ud2f0 \uc0ac\uc774\ud074\ub9cc\uc73c\ub85c \ub9ce\uc740 \uc885\ub958\uc758 \ubd80\ud558\uc5d0 \ub300\ud574 \uc720\uc5f0\ud55c \uc81c\uc5b4\uac00 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/li>\n<li>\ubc1c\uc5f4\uc774 \uc801\uc2b5\ub2c8\ub2e4: \uc5f0\uc18d\uc801\uc778 \uc804\ub958 \ud750\ub984 \ub300\uc2e0 \ud384\uc2a4\ub97c \ud1b5\ud574 \uc804\ub825\uc744 \uc804\ub2ec\ud558\uae30 \ub54c\ubb38\uc5d0 \ubd80\ud488\uc774 \ub35c \uac00\uc5f4\ub418\uc5b4 \uc7a5\ube44\uc758 \ub0b4\uad6c\uc131\uc774 \ud5a5\uc0c1\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>PWM \ud68c\ub85c \uc124\uacc4<\/h2>\n<p>PWM \ud68c\ub85c\ub97c \uc124\uacc4\ud560 \ub54c \uc911\uc694\ud55c \uc694\uc18c\ub294 \ud384\uc2a4 \uc0dd\uc131\uae30, \uc2a4\uc704\uce6d \uc694\uc18c, \uadf8\ub9ac\uace0 \ud544\ud130\ub9c1 \uc7a5\uce58\uc785\ub2c8\ub2e4. \ud384\uc2a4 \uc0dd\uc131\uae30\ub294 \uc77c\uc815\ud55c \uc8fc\ud30c\uc218\uc640 \uac00\ubcc0 \uac00\ub2a5\ud55c \ub4c0\ud2f0 \uc0ac\uc774\ud074\uc758 \ud384\uc2a4\ub97c \uc0dd\uc131\ud558\uace0, \uc774\ub294 \uc2a4\uc704\uce6d \uc694\uc18c(\uc608: \ud2b8\ub79c\uc9c0\uc2a4\ud130)\uc5d0 \uc758\ud574 \ubd80\ud558\ub85c \uc804\ub2ec\ub429\ub2c8\ub2e4. \ud544\ud130\ub9c1 \uc7a5\uce58\ub294 \ud384\uc2a4 \uc2e0\ud638\uc5d0\uc11c \uc6d0\ud558\uc9c0 \uc54a\ub294 \uace0\uc8fc\ud30c \uc131\ubd84\uc744 \uc81c\uac70\ud558\uc5ec \ubd80\ub4dc\ub7ec\uc6b4 \ucd9c\ub825\uc744 \uc5bb\uae30 \uc704\ud574 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<p>PWM \ud68c\ub85c\ub294 \ub514\uc9c0\ud138 \uc804\uc790\uc758 \uae30\ucd08\uc774\uc790 \uc5ec\ub7ec \uace0\uae09 \uc804\uc790 \uc2dc\uc2a4\ud15c\uc758 \ud544\uc218 \uad6c\uc131 \uc694\uc18c\uc785\ub2c8\ub2e4. \uc774\ub4e4 \ud68c\ub85c\ub294 \uc804\ub825 \uc81c\uc5b4, \ud6a8\uc728\uc131 \ud5a5\uc0c1, \uadf8\ub9ac\uace0 \uc804\uc790 \uc7a5\uce58\uc758 \ubd80\ub4dc\ub7ec\uc6b4 \uc81c\uc5b4\ub97c \uac00\ub2a5\ud558\uac8c \ud574\uc8fc\ub294 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud384\uc2a4 \ud3ed \ubcc0\uc870(PWM) \ud68c\ub85c\uc758 \uc6d0\ub9ac\uc640 \uc751\uc6a9\uc744 \uc124\uba85\ud569\ub2c8\ub2e4. \ub4c0\ud2f0 \uc0ac\uc774\ud074 \uc870\uc808\uc744 \ud1b5\ud55c \uc804\ub825 \uc81c\uc5b4, \ubaa8\ud130 \uc18d\ub3c4 \uc870\uc808, LED \ubc1d\uae30 \uc870\uc815 \ub4f1 \ub2e4\uc591\ud55c \uc0ac\uc6a9\ub840\uc640 PWM \ud68c\ub85c \uc124\uacc4\uc5d0 \ub300\ud574 \uc54c\uc544\ubd05\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":173051,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[88],"tags":[89],"class_list":["post-147019","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-88","tag-89","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\ud384\uc2a4 \ud3ed \ubcc0\uc870 \ud68c\ub85c | \uc791\ub3d9 \ubc29\uc2dd, \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \ubc0f \uc7a5\uc810<\/title>\n<meta name=\"description\" content=\"\ud384\uc2a4 \ud3ed \ubcc0\uc870(PWM) \ud68c\ub85c\uc758 \uc6d0\ub9ac\uc640 \uc751\uc6a9\uc744 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