{"id":2608,"date":"2026-09-18T23:13:26","date_gmt":"2026-09-18T14:13:26","guid":{"rendered":"https:\/\/steelcrucian.com\/?p=2608"},"modified":"2026-09-18T23:13:27","modified_gmt":"2026-09-18T14:13:27","slug":"flicker-measurement-standard","status":"publish","type":"post","link":"https:\/\/steelcrucian.com\/flicker-measurement-standard\/","title":{"rendered":"\ud83d\udcca \ud50c\ub9ac\ucee4 \uce21\uc815\uacfc \ud310\uc815 \uae30\uc900 (PstLM\u00b7SVM) \u2013 \uc131\uc801\uc11c\uc758 \ub450 \uc22b\uc790\ub294 \uc5b4\ub5bb\uac8c \ub098\uc654\uc744\uae4c"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">LED \uc870\uba85 \uc131\uc801\uc11c\uc5d0 \uc774\ub807\uac8c \uc801\ud600 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>PstLM  0.82\nSVM    0.31\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\uac8c \uc88b\uc740 \uac12\uc77c\uae4c\uc694? \uadf8\ub9ac\uace0 \uc774 \ub450 \uc22b\uc790\ub294 \uc5b4\ub5bb\uac8c \ub098\uc628 \uac78\uae4c\uc694?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc55e \uae00\uc5d0\uc11c **\ud37c\uc13c\ud2b8 \ud50c\ub9ac\ucee4(\ubcc0\uc870 \uae4a\uc774)**\uc640 <strong>\ud50c\ub9ac\ucee4 \uc778\ub371\uc2a4<\/strong>\ub97c \uacc4\uc0b0\ud574\ubd24\uc2b5\ub2c8\ub2e4. \uc885\uc774\uc640 \uacc4\uc0b0\uae30\ub9cc \uc788\uc73c\uba74 \ub418\ub294 \uac12\ub4e4\uc785\ub2c8\ub2e4. \uadf8\ub7f0\ub370 \uc815\uc791 \uc720\ub7fd \uaddc\uc815\uc774 \uc694\uad6c\ud558\ub294 \uac74 \uc800 \ub450 \uae00\uc790\uc9dc\ub9ac \uc9c0\ud45c\uc785\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \uc774 \ub458\uc740 <strong>\uc190\uc73c\ub85c \uacc4\uc0b0\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uae00\uc740 PstLM\uacfc SVM\uc774 \ubb34\uc5c7\uc744 \uc7ac\ub294\uc9c0, \uc65c \uae30\uc874 \uc9c0\ud45c\ub85c\ub294 \ubd80\uc871\ud55c\uc9c0, \uadf8\ub9ac\uace0 \uc131\uc801\uc11c\ub97c \ubc1b\uc558\uc744 \ub54c \ubb34\uc5c7\uc744 \ud655\uc778\ud574\uc57c \ud558\ub294\uc9c0 \uc815\ub9ac\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udca1 \uc774 \uae00\uc740 \uad11\ud559 \uc2dc\ub9ac\uc988 6\ub2e8\uacc4 <strong>\uad6c\ub3d9\u00b7\uc804\uae30<\/strong>\uc758 \uc138 \ubc88\uc9f8 \uae00\uc785\ub2c8\ub2e4. <a href=\"https:\/\/steelcrucian.com\/led-flicker-pwm-guide\/\">\ud50c\ub9ac\ucee4\uc640 \uc870\uba85 \ud488\uc9c8 \u2013 PWM \uc870\uad11\uc758 \ud568\uc815<\/a>\uc5d0\uc11c \uc774\ub984\ub9cc \uc18c\uac1c\ud558\uace0 \ub118\uc5b4\uac04 \ub450 \uc9c0\ud45c\ub97c \uc5ec\uae30\uc11c \ub9c8\ubb34\ub9ac\ud569\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_88 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\">Table of Contents<\/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;\">Toggle<\/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:\/\/steelcrucian.com\/flicker-measurement-standard\/#%F0%9F%93%89_%ED%8D%BC%EC%84%BC%ED%8A%B8_%ED%94%8C%EB%A6%AC%EC%BB%A4%EC%99%80_%ED%94%8C%EB%A6%AC%EC%BB%A4_%EC%9D%B8%EB%8D%B1%EC%8A%A4%EB%A1%9C%EB%8A%94_%EC%99%9C_%EB%B6%80%EC%A1%B1%ED%95%9C%EA%B0%80\" >\ud83d\udcc9 \ud37c\uc13c\ud2b8 \ud50c\ub9ac\ucee4\uc640 \ud50c\ub9ac\ucee4 \uc778\ub371\uc2a4\ub85c\ub294 \uc65c \ubd80\uc871\ud55c\uac00<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/steelcrucian.com\/flicker-measurement-standard\/#%F0%9F%94%86_PstLM_%E2%80%93_%EB%B3%B4%EC%9D%B4%EB%8A%94_%EA%B9%9C%EB%B9%A1%EC%9E%84%EC%9D%84_%EC%9E%AC%EB%8A%94_%EC%A7%80%ED%91%9C\" >\ud83d\udd06 PstLM \u2013 \ubcf4\uc774\ub294 \uae5c\ube61\uc784\uc744 \uc7ac\ub294 \uc9c0\ud45c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/steelcrucian.com\/flicker-measurement-standard\/#%F0%9F%8C%80_SVM_%E2%80%93_%EC%8A%A4%ED%8A%B8%EB%A1%9C%EB%B3%B4_%ED%9A%A8%EA%B3%BC%EB%A5%BC_%EC%9E%AC%EB%8A%94_%EC%A7%80%ED%91%9C\" >\ud83c\udf00 SVM \u2013 \uc2a4\ud2b8\ub85c\ubcf4 \ud6a8\uacfc\ub97c \uc7ac\ub294 \uc9c0\ud45c<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/steelcrucian.com\/flicker-measurement-standard\/#%F0%9F%93%8F_%EC%8B%A4%EB%AC%B4%EC%97%90%EC%84%9C_%EC%93%B0%EB%8A%94_%EC%96%B4%EB%A6%BC_%EA%B8%B0%EC%A4%80\" >\ud83d\udccf \uc2e4\ubb34\uc5d0\uc11c \uc4f0\ub294 \uc5b4\ub9bc \uae30\uc900<\/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:\/\/steelcrucian.com\/flicker-measurement-standard\/#%F0%9F%94%AC_%EC%B8%A1%EC%A0%95_%EC%B2%B4%EC%9D%B8_%E2%80%93_%ED%95%9C_%EA%B3%B3%EB%A7%8C_%EB%B6%80%EC%A1%B1%ED%95%B4%EB%8F%84_%EA%B2%B0%EA%B3%BC%EA%B0%80_%ED%8B%80%EC%96%B4%EC%A7%84%EB%8B%A4\" >\ud83d\udd2c \uce21\uc815 \uccb4\uc778 \u2013 \ud55c \uacf3\ub9cc \ubd80\uc871\ud574\ub3c4 \uacb0\uacfc\uac00 \ud2c0\uc5b4\uc9c4\ub2e4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/steelcrucian.com\/flicker-measurement-standard\/#%E2%9A%A1_%EC%83%98%ED%94%8C%EB%A7%81_%EB%A0%88%EC%9D%B4%ED%8A%B8_%E2%80%93_%ED%8F%89%EA%B7%A0%EA%B0%92%EB%B6%80%ED%84%B0_%ED%8B%80%EB%A6%B0%EB%8B%A4\" >\u26a1 \uc0d8\ud50c\ub9c1 \ub808\uc774\ud2b8 \u2013 \ud3c9\uade0\uac12\ubd80\ud130 \ud2c0\ub9b0\ub2e4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/steelcrucian.com\/flicker-measurement-standard\/#%E2%8F%B1%EF%B8%8F_%EC%B8%A1%EC%A0%95_%EC%8B%9C%EA%B0%84_%E2%80%93_180%EC%B4%88%EA%B0%80_%ED%95%84%EC%9A%94%ED%95%9C_%EC%9D%B4%EC%9C%A0\" >\u23f1\ufe0f \uce21\uc815 \uc2dc\uac04 \u2013 180\ucd08\uac00 \ud544\uc694\ud55c \uc774\uc720<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/steelcrucian.com\/flicker-measurement-standard\/#%F0%9F%97%BA%EF%B8%8F_%EA%B7%B8%EB%9E%98%EC%84%9C_%EB%AC%B4%EC%97%87%EC%9D%84_%EC%96%B4%EB%96%A4_%EC%A7%80%ED%91%9C%EB%A1%9C_%ED%8C%90%EC%A0%95%ED%95%98%EB%82%98\" >\ud83d\uddfa\ufe0f \uadf8\ub798\uc11c \ubb34\uc5c7\uc744 \uc5b4\ub5a4 \uc9c0\ud45c\ub85c \ud310\uc815\ud558\ub098<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/steelcrucian.com\/flicker-measurement-standard\/#%F0%9F%93%8B_%EC%84%B1%EC%A0%81%EC%84%9C%EB%A5%BC_%EB%B0%9B%EC%95%98%EC%9D%84_%EB%95%8C_%ED%99%95%EC%9D%B8%ED%95%A0_%EA%B2%83\" >\ud83d\udccb \uc131\uc801\uc11c\ub97c \ubc1b\uc558\uc744 \ub54c \ud655\uc778\ud560 \uac83<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/steelcrucian.com\/flicker-measurement-standard\/#%E2%9D%93_%EC%9E%90%EC%A3%BC_%ED%95%98%EB%8A%94_%EC%98%A4%ED%95%B4_3%EA%B0%80%EC%A7%80\" >\u2753 \uc790\uc8fc \ud558\ub294 \uc624\ud574 3\uac00\uc9c0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/steelcrucian.com\/flicker-measurement-standard\/#%E2%9C%85_%ED%95%9C%EB%88%88%EC%97%90_%EC%A0%95%EB%A6%AC\" >\u2705 \ud55c\ub208\uc5d0 \uc815\ub9ac<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/steelcrucian.com\/flicker-measurement-standard\/#%F0%9F%8E%AF_%EC%98%A4%EB%8A%98_%EB%B0%94%EB%A1%9C_%ED%99%95%EC%9D%B8%ED%95%B4%EB%B3%BC_%EA%B2%83\" >\ud83c\udfaf \uc624\ub298 \ubc14\ub85c \ud655\uc778\ud574\ubcfc \uac83<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/steelcrucian.com\/flicker-measurement-standard\/#%F0%9F%93%9A_%ED%95%A8%EA%BB%98_%EC%9D%BD%EC%9C%BC%EB%A9%B4_%EC%A2%8B%EC%9D%80_%EA%B8%80\" >\ud83d\udcda \ud568\uaed8 \uc77d\uc73c\uba74 \uc88b\uc740 \uae00<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%93%89_%ED%8D%BC%EC%84%BC%ED%8A%B8_%ED%94%8C%EB%A6%AC%EC%BB%A4%EC%99%80_%ED%94%8C%EB%A6%AC%EC%BB%A4_%EC%9D%B8%EB%8D%B1%EC%8A%A4%EB%A1%9C%EB%8A%94_%EC%99%9C_%EB%B6%80%EC%A1%B1%ED%95%9C%EA%B0%80\"><\/span>\ud83d\udcc9 \ud37c\uc13c\ud2b8 \ud50c\ub9ac\ucee4\uc640 \ud50c\ub9ac\ucee4 \uc778\ub371\uc2a4\ub85c\ub294 \uc65c \ubd80\uc871\ud55c\uac00<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc55e \uae00\uc5d0\uc11c \uc4f4 \ub450 \uc9c0\ud45c\ub97c \ub2e4\uc2dc \uc801\uc5b4\ubd05\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\ud37c\uc13c\ud2b8 \ud50c\ub9ac\ucee4(MD) = (\ucd5c\ub300 \u2212 \ucd5c\uc18c) \u00f7 (\ucd5c\ub300 + \ucd5c\uc18c) \u00d7 100\n\ud50c\ub9ac\ucee4 \uc778\ub371\uc2a4(FI) = \ud3c9\uade0\uc120 \uc704\ucabd \uba74\uc801 \u00f7 \ud55c \uc8fc\uae30 \uc804\uccb4 \uba74\uc801\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\ub450 \uc2dd \uc5b4\ub514\uc5d0\ub3c4 <strong>\uc8fc\ud30c\uc218\uac00 \ub4e4\uc5b4\uac00\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/strong> \uc774\uac8c \ubb38\uc81c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"449\" src=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flickermeas-01-md-blindness-1024x449.png\" alt=\"\" class=\"wp-image-2609\" srcset=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flickermeas-01-md-blindness-1024x449.png 1024w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flickermeas-01-md-blindness-300x131.png 300w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flickermeas-01-md-blindness-767x336.png 767w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flickermeas-01-md-blindness.png 1232w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ubcc0\uc870 \uae4a\uc774 30%\uc778 \uc0ac\uc778\ud30c\ub97c \uc8fc\ud30c\uc218\ub9cc \ubc14\uafd4\uac00\uba70 \uacc4\uc0b0\ud574\ubd24\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uc8fc\ud30c\uc218<\/th><th>\ud37c\uc13c\ud2b8 \ud50c\ub9ac\ucee4<\/th><th>\ud50c\ub9ac\ucee4 \uc778\ub371\uc2a4<\/th><th>\uc0ac\ub78c\uc774 \ub290\ub07c\ub294 \uac83<\/th><\/tr><\/thead><tbody><tr><td>10 Hz<\/td><td>30.0%<\/td><td>0.095<\/td><td>\ub208\uc5d0 \ubcf4\uc774\ub294 \uae5c\ube61\uc784<\/td><\/tr><tr><td>100 Hz<\/td><td>30.0%<\/td><td>0.095<\/td><td>\uc2a4\ud2b8\ub85c\ubcf4 \ud6a8\uacfc \uc601\uc5ed<\/td><\/tr><tr><td>300 Hz<\/td><td>30.0%<\/td><td>0.095<\/td><td>\uc2a4\ud2b8\ub85c\ubcf4 \ud6a8\uacfc \uc601\uc5ed<\/td><\/tr><tr><td>1,000 Hz<\/td><td>30.0%<\/td><td>0.095<\/td><td>\uc601\ud5a5\uc774 \ud06c\uac8c \uc904\uc5b4\ub4e6<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udccc <strong>\uacc4\uc0b0 \uadfc\uac70<\/strong>: Python\uc73c\ub85c \uac01 \ud30c\ud615\uc744 200\ub9cc \uc810 \uc0d8\ud50c\ub9c1\ud574 \uacc4\uc0b0\ud588\uc2b5\ub2c8\ub2e4. \ub124 \uacbd\uc6b0 \ubaa8\ub450 \uc18c\uc218\uc810 \uc544\ub798\uae4c\uc9c0 \uac19\uc740 \uac12\uc774 \ub098\uc635\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>10Hz\uc640 1,000Hz\ub294 \uc0ac\ub78c\uc5d0\uac8c \uc804\ud600 \ub2e4\ub978 \uc790\uadf9\uc778\ub370 \uc22b\uc790\ub294 \ub611\uac19\uc2b5\ub2c8\ub2e4.<\/strong> \uc55e \uae00\uc5d0\uc11c \ubcf8 IEEE 1789 \uad8c\uace0\uc120\uc774 \uc8fc\ud30c\uc218\uc5d0 \ub530\ub77c \ud5c8\uc6a9\uce58\ub97c \ub2e4\ub974\uac8c \uc900 \uc774\uc720\uac00 \ubc14\ub85c \uc774\uac83\uc785\ub2c8\ub2e4. MD\uc640 FI\ub294 &#8220;\uc5bc\ub9c8\ub098 \uae4a\uac8c \ud754\ub4e4\ub9ac\ub294\uac00&#8221;\ub9cc \ub9d0\ud558\uace0 &#8220;\uadf8\uac8c \uc0ac\ub78c\uc5d0\uac8c \uc5b4\ub5bb\uac8c \ubcf4\uc774\ub294\uac00&#8221;\ub294 \ub9d0\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub798\uc11c \ub4f1\uc7a5\ud55c \uac83\uc774 <strong>\uc0ac\ub78c\uc758 \ubc18\uc751\uc744 \ubaa8\ub378\uc5d0 \ub123\uc740 \uc9c0\ud45c<\/strong>\uc785\ub2c8\ub2e4. \ubcf4\uc774\ub294 \uae5c\ube61\uc784\uc740 PstLM, \uc6c0\uc9c1\uc784\uc5d0\uc11c\uc758 \uc2a4\ud2b8\ub85c\ubcf4 \ud6a8\uacfc\ub294 SVM\uc774 \ub9e1\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%94%86_PstLM_%E2%80%93_%EB%B3%B4%EC%9D%B4%EB%8A%94_%EA%B9%9C%EB%B9%A1%EC%9E%84%EC%9D%84_%EC%9E%AC%EB%8A%94_%EC%A7%80%ED%91%9C\"><\/span>\ud83d\udd06 PstLM \u2013 \ubcf4\uc774\ub294 \uae5c\ube61\uc784\uc744 \uc7ac\ub294 \uc9c0\ud45c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub984\ubd80\ud130 \ud480\uc5b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Pst  : short-term flicker severity (\ub2e8\uc2dc\uac04 \ud50c\ub9ac\ucee4 \uc2ec\uac01\ub3c4)\nLM   : Light Modulation (\ube5b\uc758 \ubcc0\uc870)\n      \u203b \uc804\ub825 \ud488\uc9c8 \ubd84\uc57c\uc758 Pst\uac00 \uc804\uc555 \ubcc0\ub3d9\uc744 \ub2e4\ub8ec \uac83\uacfc \uad6c\ubd84\ud558\uae30 \uc704\ud55c \ud45c\uae30\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc6d0\ub798 Pst\ub294 \uc804\ub825 \uacc4\ud1b5\uc758 \uc804\uc555 \ubcc0\ub3d9\uc774 \uc870\uba85 \uae5c\ube61\uc784\uc73c\ub85c \uc774\uc5b4\uc9c0\ub294 \uc815\ub3c4\ub97c \ud3c9\uac00\ud558\ub358 \uc9c0\ud45c\uc785\ub2c8\ub2e4. \uc774\uac83\uc744 <strong>\ube5b\uc744 \uc9c1\uc811 \uce21\uc815\ud558\ub294 \ucabd\uc73c\ub85c \uc62e\uae34 \uac83<\/strong>\uc774 PstLM\uc774\uace0, \uadf8 \uce21\uc815\uae30\ub97c **\uad11 \ud50c\ub9ac\ucee4\ubbf8\ud130(light flickermeter)**\ub77c\uace0 \ubd80\ub985\ub2c8\ub2e4. \uaddc\uaca9\uc740 <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/64795\" target=\"_blank\" rel=\"noopener\">IEC TR 61547-1<\/a>\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub3d9\uc791 \uad6c\uc870\ub294 \uc774\ub807\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\uc870\uba85\uc758 \ube5b\uc744 \uad11\uc13c\uc11c\ub85c \ubc1b\uc544 \uc804\uae30 \uc2e0\ud638\ub85c \ubc14\uafc9\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc0ac\ub78c \ub208\uc758 \uc2dc\uac04\uc801 \ubbfc\uac10\ub3c4\ub97c \ud749\ub0b4 \ub0b8 <strong>\uac00\uc911 \ud544\ud130<\/strong>\ub97c \ud1b5\uacfc\uc2dc\ud0b5\ub2c8\ub2e4. \uaddc\uaca9 \ubb38\uc11c\uc758 \ub300\uc5ed\ud1b5\uacfc \ud544\ud130\ub294 <strong>0.05 ~ 35 Hz<\/strong> \uad6c\uac04\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc21c\uac04 \ud50c\ub9ac\ucee4 \uac12\uc744 \uc2dc\uac04\uc5d0 \ub530\ub77c \ub204\uc801\ud558\uace0 <strong>\ud1b5\uacc4 \ucc98\ub9ac<\/strong>\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uadf8 \uacb0\uacfc\uac00 PstLM\uc785\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5ec\uae30\uc11c \uc911\uc694\ud55c \uc131\uc9c8\uc774 \ub098\uc635\ub2c8\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u26a0\ufe0f <strong>PstLM\uc740 \uacf5\uc2dd\uc73c\ub85c \uc190\uacc4\uc0b0\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/strong> \ud544\ud130\ub97c \ud1b5\uacfc\uc2dc\ud0a8 \uc2e0\ud638\ub97c \uc2dc\uac04\uc5d0 \ub530\ub77c \ud1b5\uacc4 \ucc98\ub9ac\ud558\ub294 \uad6c\uc870\ub77c, \ud30c\ud615\ub9cc \ubcf4\uace0 \uac12\uc744 \uc608\uce21\ud558\uae30 \uc5b4\ub835\uc2b5\ub2c8\ub2e4. \uc804\ub825 \ud488\uc9c8 \ubd84\uc57c\uc758 Pst\uc5d0 \ub300\ud574\uc11c\ub3c4 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Power-line_flicker\" target=\"_blank\" rel=\"noopener\">\uc21c\uc218\ud558\uac8c \ud574\uc11d\uc801\uc73c\ub85c \uacc4\uc0b0\ud558\ub294 \uac83\uc740 \uac70\uc758 \ubd88\uac00\ub2a5\ud558\ub2e4<\/a>\uace0 \uc124\uba85\ud569\ub2c8\ub2e4. <strong>\uce21\uc815 \uc7a5\ube44\uac00 \uc788\uc5b4\uc57c \ub098\uc624\ub294 \uac12<\/strong>\uc785\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud310\uc815 \uae30\uc900\uc740 PstLM \u2264 1.0<\/strong>\uc785\ub2c8\ub2e4. <a href=\"https:\/\/www.erco.com\/en\/designing-with-light\/lighting-knowledge\/led\/flicker-7734\/\" target=\"_blank\" rel=\"noopener\">ERCO\uc758 \uae30\uc220 \uc124\uba85<\/a>\uc5d0 \ub530\ub974\uba74 \uac12 1\uc740 <strong>\ud3c9\uade0\uc801\uc778 \uad00\ucc30\uc790\uac00 50% \ud655\ub960\ub85c \uae5c\ube61\uc784\uc744 \uc54c\uc544\ucc44\ub294 \uc218\uc900<\/strong>\uc744 \ub73b\ud569\ub2c8\ub2e4. 0\uc5d0 \uac00\uae4c\uc6b8\uc218\ub85d \uc88b\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PstLM\uc740 <strong>\uc8fc\uae30\uc801\uc774\uc9c0 \uc54a\uc740 \ubcc0\ub3d9\uae4c\uc9c0<\/strong> \ub2e4\ub8f9\ub2c8\ub2e4. \uc804\uc6d0\uc774 \ud754\ub4e4\ub824\uc11c \uc0dd\uae30\ub294 \ubd88\uaddc\uce59\ud55c \uae5c\ube61\uc784\ub3c4 \uc7a1\uc544\ub0b8\ub2e4\ub294 \ub73b\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%8C%80_SVM_%E2%80%93_%EC%8A%A4%ED%8A%B8%EB%A1%9C%EB%B3%B4_%ED%9A%A8%EA%B3%BC%EB%A5%BC_%EC%9E%AC%EB%8A%94_%EC%A7%80%ED%91%9C\"><\/span>\ud83c\udf00 SVM \u2013 \uc2a4\ud2b8\ub85c\ubcf4 \ud6a8\uacfc\ub97c \uc7ac\ub294 \uc9c0\ud45c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SVM\uc740 <strong>Stroboscopic effect Visibility Measure<\/strong>\uc785\ub2c8\ub2e4. \uc6c0\uc9c1\uc774\ub294 \ubb3c\uccb4\uac00 \ub04a\uaca8 \ubcf4\uc774\ub294 \ud604\uc0c1\uc744 \uc815\ub7c9\ud654\ud569\ub2c8\ub2e4. Philips \uc5f0\uad6c\uc9c4\uc774 \uac1c\ubc1c\ud588\uace0, <a href=\"https:\/\/files.cie.co.at\/883_CIE_TN_006-2016.pdf\" target=\"_blank\" rel=\"noopener\">CIE TN 006:2016<\/a>\uc5d0 \uc815\uc758\uac00 \uc2e4\ub824 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uacc4\uc0b0 \uad6c\uc870\ub294 PstLM\ubcf4\ub2e4 \uba85\ud655\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u2460 \uce21\uc815\ud55c \ube5b \ud30c\ud615\uc744 \ud478\ub9ac\uc5d0 \ubcc0\ud658\ud574 \uc8fc\ud30c\uc218 \uc131\ubd84\uc73c\ub85c \ubd84\ud574\ud55c\ub2e4\n\u2461 \uac01 \uc131\ubd84\uc758 \uc9c4\ud3ed(Ci)\uc744, \uadf8 \uc8fc\ud30c\uc218\uc5d0\uc11c\uc758 \uac00\uc2dc\uc131 \uc784\uacc4\uac12(Ti)\uc73c\ub85c \ub098\ub208\ub2e4\n\u2462 \uadf8 \ube44\uc728\ub4e4\uc744 \ubbfc\ucf54\ud504\uc2a4\ud0a4 \ud569(\uc9c0\uc218 3.7)\uc73c\ub85c \ud569\uce5c\ub2e4\n\nSVM = &#91; \u03a3 (Ci \/ Ti)^3.7 ]^(1\/3.7)      (\ud569\uc0b0\uc740 2,000 Hz\uae4c\uc9c0)\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc138 \uac00\uc9c0\ub9cc \uae30\uc5b5\ud558\uba74 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uccab\uc9f8, \uc8fc\ud30c\uc218\ub9c8\ub2e4 \uac00\uc911\uce58\uac00 \ub2e4\ub985\ub2c8\ub2e4.<\/strong> Ti\ub294 \uadf8 \uc8fc\ud30c\uc218\uc5d0\uc11c &#8220;\ud3c9\uade0 \uad00\ucc30\uc790\uac00 50% \ud655\ub960\ub85c \uc54c\uc544\ucc44\ub294 \ubcc0\uc870 \uae4a\uc774&#8221;\uc785\ub2c8\ub2e4. \uc0ac\ub78c\uc774 \ubbfc\uac10\ud55c 100Hz \ubd80\uadfc\uc5d0\uc11c\ub294 Ti\uac00 \uc791\uc544\uc11c \uc870\uae08\ub9cc \ud754\ub4e4\ub824\ub3c4 SVM\uc774 \ucee4\uc9c0\uace0, \uace0\uc8fc\ud30c\uc5d0\uc11c\ub294 Ti\uac00 \ucee4\uc11c \uac19\uc740 \ubcc0\uc870 \uae4a\uc774\ub77c\ub3c4 SVM\uc774 \uc791\uc544\uc9d1\ub2c8\ub2e4. MD\uac00 \ubabb \ud558\ub358 \uc77c\uc744 \uc5ec\uae30\uc11c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ub458\uc9f8, 2,000Hz\uc5d0\uc11c \uc798\ub9bd\ub2c8\ub2e4.<\/strong> \uc77c\ubc18 \uc870\uba85\uc5d0\uc11c 2kHz\ub97c \ub118\ub294 \ubcc0\uc870\ub294 \uc2a4\ud2b8\ub85c\ubcf4 \ud6a8\uacfc\ub97c \uc77c\uc73c\ud0a4\uc9c0 \uc54a\ub294\ub2e4\uace0 \ubcf4\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \uc55e \uae00\uc5d0\uc11c &#8220;\uace0\uc8fc\ud30c PWM\uc73c\ub85c \uac00\ub77c&#8221;\uace0 \ud55c \uacb0\ub860\uacfc \uac19\uc740 \ubc29\ud5a5\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc14b\uc9f8, SVM = 1\uc774 \uac00\uc2dc\uc131 \uc784\uacc4\uac12\uc785\ub2c8\ub2e4.<\/strong> \ub2e4\ub9cc <a href=\"https:\/\/www.researchgate.net\/publication\/273919920_Modeling_the_visibility_of_the_stroboscopic_effect_occurring_in_temporally_modulated_light_systems\" target=\"_blank\" rel=\"noopener\">CIE\uc640 NEMA \ubaa8\ub450 SVM = 1\uc774 \uace7 \ud5c8\uc6a9 \uac00\ub2a5\ud55c \uc218\uc900\uc744 \ub73b\ud558\uc9c0\ub294 \uc54a\ub294\ub2e4<\/a>\uace0 \ubc1d\ud788\uace0 \uc788\uc2b5\ub2c8\ub2e4. <strong>\ud310\uc815 \uae30\uc900\uc740 SVM \u2264 0.4<\/strong>\ub85c, \uc784\uacc4\uac12\ubcf4\ub2e4 \ud55c\ucc38 \uc544\ub798\uc5d0 \uadf8\uc5b4\uc838 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u26a0\ufe0f <strong>\uc774 \uae00\uc5d0\uc11c SVM \uc218\uce58\ud45c\ub97c \uc2e3\uc9c0 \uc54a\uc740 \uc774\uc720<\/strong> \u2014 \uac00\uc2dc\uc131 \uc784\uacc4\uac12 \ud568\uc218 Ti\uc758 \uc815\ud655\ud55c \uc2dd\uc774 \uc81c\uac00 \uc811\uadfc\ud55c \uc790\ub8cc\ub9c8\ub2e4 \ub2e4\ub974\uac8c \ud45c\uae30\ub418\uc5b4 \uc788\uc5c8\uc2b5\ub2c8\ub2e4. \ud55c \ud2b9\ud5c8 \ubb38\uc11c\uc640 CIE \uae30\uc220\ub178\ud2b8\uc758 \ud45c\uae30\uac00 \uc11c\ub85c \ub9de\uc9c0 \uc54a\uc558\uace0, \ub450 \ud615\ud0dc\ub85c \uac01\uac01 \uacc4\uc0b0\ud588\uc744 \ub54c \uacb0\uacfc\uac00 \ud06c\uac8c \ub2ec\ub77c\uc84c\uc2b5\ub2c8\ub2e4. \uaddc\uaca9 \uc6d0\ubb38\uc744 \ud655\uc778\ud558\uc9c0 \ubabb\ud55c \uc0c1\ud0dc\uc5d0\uc11c \uc9c1\uc811 \uacc4\uc0b0\ud55c SVM \ud45c\ub97c \uc2e3\ub294 \uac83\uc740 \uc704\ud5d8\ud558\ub2e4\uace0 \ud310\ub2e8\ud588\uc2b5\ub2c8\ub2e4. <strong>\ud655\uc2e4\ud558\uc9c0 \uc54a\uc74c<\/strong>\uc73c\ub85c \ub0a8\uae41\ub2c8\ub2e4. \ub300\uc2e0 \uc544\ub798\uc5d0 \uacf5\uac1c\ub41c \uacc4\uc0b0 \uacb0\uacfc\ub97c \uc778\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%93%8F_%EC%8B%A4%EB%AC%B4%EC%97%90%EC%84%9C_%EC%93%B0%EB%8A%94_%EC%96%B4%EB%A6%BC_%EA%B8%B0%EC%A4%80\"><\/span>\ud83d\udccf \uc2e4\ubb34\uc5d0\uc11c \uc4f0\ub294 \uc5b4\ub9bc \uae30\uc900<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc870\uba85 \uc5c5\uacc4 \uae30\uace0\uac00 Mike Wood\ub294 <a href=\"https:\/\/www.mikewoodconsulting.com\/articles\/Protocol%20Spring%202021%20-%20SVM.pdf\" target=\"_blank\" rel=\"noopener\">\ucd5c\uc545 \uc870\uac74(100% \ubcc0\uc870 \uc0ac\uac01\ud30c)\uc744 \uac00\uc815\ud574 PWM \uc8fc\ud30c\uc218\uc640 SVM\uc758 \uad00\uacc4\ub97c \uacc4\uc0b0\ud55c \ucc28\ud2b8<\/a>\ub97c \uacf5\uac1c\ud588\uc2b5\ub2c8\ub2e4. \ud478\ub9ac\uc5d0 \uc804\uac1c\uc758 \uc55e 7\uac1c \ud56d\uc73c\ub85c \uacc4\uc0b0\ud55c \uac12\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>SVM \ubaa9\ud45c<\/th><th>\ud544\uc694\ud55c PWM \uc8fc\ud30c\uc218 (\ucd5c\uc545 \uc870\uac74)<\/th><\/tr><\/thead><tbody><tr><td>0.9 \uc774\ud558<\/td><td>\uc57d 900 Hz<\/td><\/tr><tr><td>0.4 \uc774\ud558<\/td><td>\uc57d 1,500 Hz<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc55e \uae00\uc5d0\uc11c \uc815\ub9ac\ud55c IEEE 1789 \uad8c\uace0\uc640 \ub098\ub780\ud788 \ub193\uc73c\uba74 \uc774\ub807\uac8c \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uae30\uc900<\/th><th>100% \ubcc0\uc870 PWM\uc5d0 \ud544\uc694\ud55c \uc8fc\ud30c\uc218<\/th><\/tr><\/thead><tbody><tr><td>IEEE 1789 \uc800\uc704\ud5d8<\/td><td>1,250 Hz \ucd08\uacfc<\/td><\/tr><tr><td>EU SVM \u2264 0.4 (\uc5b4\ub9bc\uac12)<\/td><td>\uc57d 1,500 Hz \uc774\uc0c1<\/td><\/tr><tr><td>IEEE 1789 NOEL<\/td><td>\uc57d 3,000 Hz \uc774\uc0c1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udca1 <strong>\uc11c\ub85c \ub2e4\ub978 \uadfc\uac70\uc5d0\uc11c \ucd9c\ubc1c\ud588\ub294\ub370 \ube44\uc2b7\ud55c \uacf3\uc744 \uac00\ub9ac\ud0b5\ub2c8\ub2e4.<\/strong> &#8220;1kHz\uba74 \ucda9\ubd84\ud558\ub2e4&#8221;\ub294 \ud310\ub2e8\uc740 \uc5b4\ub290 \uae30\uc900\uc73c\ub85c\ub3c4 \ud1b5\uacfc\ud558\uae30 \uc5b4\ub835\uace0, <strong>3kHz \uc774\uc0c1<\/strong>\uc774\uba74 \uc138 \uae30\uc900\uc744 \ubaa8\ub450 \uc5ec\uc720 \uc788\uac8c \ub118\uc5b4\uac11\ub2c8\ub2e4. \uc124\uacc4 \ubaa9\ud45c\ub97c \uc7a1\uc744 \ub54c \uc4f8 \ub9cc\ud55c \uc120\uc785\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udccc \uc704 900Hz\u00b71,500Hz\ub294 \uc0ac\uac01\ud30c \ucd5c\uc545 \uc870\uac74 \uadfc\uc0ac\uc785\ub2c8\ub2e4. \uc2e4\uc81c \uc81c\ud488\uc758 \ud30c\ud615\uc740 \uc774\ubcf4\ub2e4 \uc644\ub9cc\ud560 \uc218 \uc788\uc5b4 \uac12\uc774 \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc6d0\ubb38 \uc800\uc790\ub3c4 \uadfc\uc0ac\uce58\uc784\uc744 \ubc1d\ud788\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%94%AC_%EC%B8%A1%EC%A0%95_%EC%B2%B4%EC%9D%B8_%E2%80%93_%ED%95%9C_%EA%B3%B3%EB%A7%8C_%EB%B6%80%EC%A1%B1%ED%95%B4%EB%8F%84_%EA%B2%B0%EA%B3%BC%EA%B0%80_%ED%8B%80%EC%96%B4%EC%A7%84%EB%8B%A4\"><\/span>\ud83d\udd2c \uce21\uc815 \uccb4\uc778 \u2013 \ud55c \uacf3\ub9cc \ubd80\uc871\ud574\ub3c4 \uacb0\uacfc\uac00 \ud2c0\uc5b4\uc9c4\ub2e4<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub450 \uc9c0\ud45c \ubaa8\ub450 <strong>\ube5b \ud30c\ud615\uc744 \uc81c\ub300\ub85c \uce21\uc815\ud558\ub294 \uac83<\/strong>\uc5d0\uc11c \uc2dc\uc791\ud569\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \uc774 \ub2e8\uacc4\uac00 \uc0dd\uac01\ubcf4\ub2e4 \uae4c\ub2e4\ub86d\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"532\" src=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flickermeas-02-chain-1024x532.png\" alt=\"\" class=\"wp-image-2610\" srcset=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flickermeas-02-chain-1024x532.png 1024w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flickermeas-02-chain-300x156.png 300w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flickermeas-02-chain-766x398.png 766w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flickermeas-02-chain.png 1232w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/standards.iteh.ai\/catalog\/standards\/iec\/5ca060b0-a57c-41c7-aff6-4488d84c98ef\/iec-tr-61547-1-2017\" target=\"_blank\" rel=\"noopener\">IEC TR 61547-1<\/a>\uc774 \uc694\uad6c\ud558\ub294 \uc870\uac74 \uc911 \uc2e4\ubb34\uc5d0\uc11c \ud2b9\ud788 \uc911\uc694\ud55c \ub450 \uac00\uc9c0\ub97c \uc9da\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uad11\uc13c\uc11c\uc640 \ud544\ud130.<\/strong> \ud3ec\ud1a0\ub2e4\uc774\uc624\ub4dc\uc5d0 \uad11\ud559 \ud544\ud130\ub97c \ubd99\uc5ec <strong>CIE 1931 \ud45c\uc900 \uad00\ucc30\uc790\uc758 \uc2dc\uac10\ub3c4 \uace1\uc120 V(\u03bb)\uc5d0 \ub9de\ucdb0\uc57c<\/strong> \ud569\ub2c8\ub2e4. <a href=\"https:\/\/steelcrucian.com\/light-meter-buying-guide\/\">\uc870\ub3c4\uacc4 \uc120\ud0dd \uac00\uc774\ub4dc<\/a>\uc5d0\uc11c \ub2e4\ub8ec f1\u2032(\ubd84\uad11 \uc751\ub2f5 \uc624\ucc28)\uacfc \uac19\uc740 \uc774\uc57c\uae30\uc785\ub2c8\ub2e4. \uc544\ubb34 \ud3ec\ud1a0\ub2e4\uc774\uc624\ub4dc\ub098 \uc4f0\uba74 LED\uc758 \ubfb0\uc871\ud55c \uccad\uc0c9 \ud53c\ud06c \ub54c\ubb38\uc5d0 \uac12\uc774 \ud2c0\uc5b4\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc570\ud504 \ub300\uc5ed\ud3ed.<\/strong> \uaddc\uaca9\uc740 <strong>\ucc28\ub2e8 \uc8fc\ud30c\uc218 2kHz \uc774\uc0c1<\/strong>\uc744 \uad8c\uc7a5\ud569\ub2c8\ub2e4. \ud50c\ub9ac\ucee4\uc640 \uad00\ub828\ub41c \uc8fc\ud30c\uc218\ub97c \ubaa8\ub450 \ud1b5\uacfc\uc2dc\ucf1c\uc57c \ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5ec\uae30\uc11c \ubc14\ub85c \uc2e4\ubb34 \ud568\uc815\uc774 \ub098\uc635\ub2c8\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u26a0\ufe0f <strong>2kHz \ub300\uc5ed \uc13c\uc11c\ub85c\ub294 20kHz PWM \uc870\uba85\uc744 \uc81c\ub300\ub85c \ubcfc \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/strong> \uae30\ubcf8\ud30c\uac00 20kHz\uc778 \uc2e0\ud638\ub294 2kHz \ucc28\ub2e8 \ud544\ud130\ub97c \ud1b5\uacfc\ud558\uba74\uc11c \uac70\uc758 \ud3c9\ud0c4\ud55c \uc2e0\ud638\ub85c \ubc14\ub01d\ub2c8\ub2e4. \ud654\uba74\uc5d0\ub294 &#8220;\ud50c\ub9ac\ucee4 \uc5c6\uc74c&#8221;\uc73c\ub85c \ubcf4\uc774\uc9c0\ub9cc, \uadf8\uac74 \uc870\uba85\uc774 \uc88b\uc544\uc11c\uac00 \uc544\ub2c8\ub77c <strong>\uc7a5\ube44\uac00 \ubabb \ubcf8 \uac83<\/strong>\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uaddc\uaca9 \ud310\uc815 \ubaa9\uc801\uc73c\ub85c\ub294 \uc774\uac83\uc774 \uc758\ub3c4\ub41c \ub3d9\uc791(2kHz \uc704\ub294 \uc2a4\ud2b8\ub85c\ubcf4 \ud6a8\uacfc\uac00 \uc5c6\ub2e4\uace0 \ubcf4\ub294 \uac83)\uc774\uc9c0\ub9cc, \uc124\uacc4 \uac80\uc99d \ubaa9\uc801\uc774\ub77c\uba74 \uc2e4\uc81c \ud30c\ud615\uc744 \ubcfc \uc218 \uc788\ub294 \uc7a5\ube44\uac00 \ub530\ub85c \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E2%9A%A1_%EC%83%98%ED%94%8C%EB%A7%81_%EB%A0%88%EC%9D%B4%ED%8A%B8_%E2%80%93_%ED%8F%89%EA%B7%A0%EA%B0%92%EB%B6%80%ED%84%B0_%ED%8B%80%EB%A6%B0%EB%8B%A4\"><\/span>\u26a1 \uc0d8\ud50c\ub9c1 \ub808\uc774\ud2b8 \u2013 \ud3c9\uade0\uac12\ubd80\ud130 \ud2c0\ub9b0\ub2e4<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uce21\uc815\uc5d0\uc11c \uac00\uc7a5 \ud754\ud558\uac8c \ubb34\ub108\uc9c0\ub294 \uc9c0\uc810\uc785\ub2c8\ub2e4. \uaddc\uaca9 \ubb38\uc11c\ub294 <strong>\uc0d8\ud50c\ub9c1 \uc8fc\ud30c\uc218\uac00 \uad00\uc2ec \uc8fc\ud30c\uc218\uc758 2\ubc30 \uc774\uc0c1<\/strong>\uc774\uc5b4\uc57c \ud55c\ub2e4\uace0 \uc124\uba85\ud569\ub2c8\ub2e4(3kHz\uae4c\uc9c0 \ubcf4\ub824\uba74 \ucd5c\uc18c 6kHz).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub7f0\ub370 &#8220;\ucd5c\uc18c \uc870\uac74&#8221;\uacfc &#8220;\uc4f8 \ub9cc\ud55c \uc870\uac74&#8221;\uc740 \uaf64 \ub2e4\ub985\ub2c8\ub2e4. 1kHz PWM(\ub4c0\ud2f0 30%)\uc744 \uc5ec\ub7ec \uc0d8\ud50c\ub9c1 \ub808\uc774\ud2b8\ub85c 1\ucd08\uac04 \uce21\uc815\ud588\ub2e4\uace0 \uac00\uc815\ud558\uace0 \uacc4\uc0b0\ud574\ubd24\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"515\" src=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flickermeas-03-sampling-error-1024x515.png\" alt=\"\" class=\"wp-image-2612\" srcset=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flickermeas-03-sampling-error-1024x515.png 1024w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flickermeas-03-sampling-error-300x151.png 300w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flickermeas-03-sampling-error-767x386.png 767w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flickermeas-03-sampling-error.png 1232w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uc0d8\ud50c\ub9c1 \ub808\uc774\ud2b8<\/th><th>\uce21\uc815\ub41c \ud3c9\uade0 \ubc1d\uae30<\/th><th>\uc624\ucc28 (\ucc38\uac12 0.300)<\/th><\/tr><\/thead><tbody><tr><td>2 kHz<\/td><td>0.500<\/td><td>+66.7%<\/td><\/tr><tr><td>2.5 kHz<\/td><td>0.400<\/td><td>+33.3%<\/td><\/tr><tr><td>5 kHz<\/td><td>0.400<\/td><td>+33.3%<\/td><\/tr><tr><td>10 kHz<\/td><td>0.349<\/td><td>+16.2%<\/td><\/tr><tr><td>20 kHz<\/td><td>0.324<\/td><td>+8.1%<\/td><\/tr><tr><td>50 kHz<\/td><td>0.310<\/td><td>+3.2%<\/td><\/tr><tr><td>100 kHz<\/td><td>0.305<\/td><td>+1.6%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udccc <strong>\uacc4\uc0b0 \uadfc\uac70<\/strong>: \uc774\uc0c1\uc801\uc778 \uc0ac\uac01\ud30c\ub97c \uac01 \ub808\uc774\ud2b8\ub85c \uade0\uc77c \uc0d8\ud50c\ub9c1\ud574 \ud3c9\uade0\uc744 \uad6c\ud588\uc2b5\ub2c8\ub2e4. \ucc38\uac12\uc740 \ub4c0\ud2f0 \uadf8\ub300\ub85c 0.300\uc785\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2kHz\ub85c \uc7ac\uba74 30% \ub4c0\ud2f0 \uc870\uba85\uc774 50%\ub85c \uc77d\ud799\ub2c8\ub2e4.<\/strong> \uc5ec\uae30\uc11c \uc911\uc694\ud55c \uc810\uc740, \uc774 \uc624\ucc28\uac00 **\ud3c9\uade0\uac12(DC \ub808\ubca8)**\uc744 \ud2c0\ub9ac\uac8c \ud55c\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4. SVM\uc740 \uac01 \uc8fc\ud30c\uc218 \uc131\ubd84\uc744 DC \ub808\ubca8\ub85c \ub098\ub220\uc11c \uc815\uaddc\ud654\ud558\ubbc0\ub85c, DC\uac00 \ud2c0\ub9ac\uba74 \uadf8 \ub4a4 \uacc4\uc0b0\uc774 \uc804\ubd80 \ud2c0\uc5b4\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\uc81c\ub85c <a href=\"https:\/\/www.iea-4e.org\/wp-content\/uploads\/2025\/02\/Li-and-Ohno-2025-Analysis-of-PstLM-and-SVM-variations-LRT-24-0048-accepted.pdf\" target=\"_blank\" rel=\"noopener\">Li\uc640 Ohno\uc758 2025\ub144 \uce21\uc815 \uc5f0\uad6c<\/a>\ub294 \ud544\ud130\ub97c \uc801\uc6a9\ud558\uc9c0 \uc54a\uc740 \ud30c\ud615\uc5d0\uc11c <strong>\uc0d8\ud50c\ub9c1 \ub808\uc774\ud2b8\uc5d0 \ub530\ub77c PstLM\uc774 400% \ub118\uac8c \ub2ec\ub77c\uc9c4 \uc0ac\ub840<\/strong>\ub97c \ubcf4\uace0\ud588\uc2b5\ub2c8\ub2e4. \uac19\uc740 \uc870\uba85, \uac19\uc740 \uc9c0\ud45c\uc778\ub370 \uc7a5\ube44 \uc124\uc815\ub9cc\uc73c\ub85c \uac12\uc774 \ub124 \ubc30 \ub118\uac8c \ubc8c\uc5b4\uc9c4 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac19\uc740 \uc5f0\uad6c\ub294 \uc2e4\ubb34 \uad8c\uc7a5\uac12\uc73c\ub85c <strong>PstLM\uc740 20~50kHz, SVM\uc740 20kHz \uc774\uc0c1<\/strong>\uc744 \uc81c\uc2dc\ud558\uace0, <strong>100kHz\ub97c \ub118\uae30\uba74 PstLM \uacc4\uc0b0\uc5d0\uc11c \ubcc4\ub3c4\uc758 \uc624\ub958<\/strong>\uac00 \ub098\ud0c0\ub09c\ub2e4\uace0 \uc9c0\uc801\ud569\ub2c8\ub2e4. \ubb34\uc870\uac74 \ube60\ub974\uac8c \uc7a1\ub294 \uac83\ub3c4 \ub2f5\uc774 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E2%8F%B1%EF%B8%8F_%EC%B8%A1%EC%A0%95_%EC%8B%9C%EA%B0%84_%E2%80%93_180%EC%B4%88%EA%B0%80_%ED%95%84%EC%9A%94%ED%95%9C_%EC%9D%B4%EC%9C%A0\"><\/span>\u23f1\ufe0f \uce21\uc815 \uc2dc\uac04 \u2013 180\ucd08\uac00 \ud544\uc694\ud55c \uc774\uc720<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub450 \uc9c0\ud45c\ub294 \ud544\uc694\ud55c \uce21\uc815 \uc2dc\uac04\uc774 \ud06c\uac8c \ub2e4\ub985\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\ud56d\ubaa9<\/th><th>PstLM<\/th><th>SVM<\/th><\/tr><\/thead><tbody><tr><td>\uaddc\uaca9 \uad8c\uc7a5 \uce21\uc815 \uc2dc\uac04<\/td><td>180 \ucd08 (IEC TR 61547-1:2020)<\/td><td>\uaddc\uaca9\uc5d0 \uba85\uc2dc \uc5c6\uc74c<\/td><\/tr><tr><td>\uadf8\uc911 \uc804\uc774 \uad6c\uac04<\/td><td>\uc55e 60\ucd08 \uc81c\uc678 \u2192 \uc720\ud6a8 120\ucd08<\/td><td>\u2014<\/td><\/tr><tr><td>\ub2e4\ub978 \uad8c\uace0<\/td><td>CIE TN 012:2021\uc740 60\ucd08 \uc774\uc0c1<\/td><td>MATLAB \uad6c\ud604\uc740 1\ucd08 \uc774\uc0c1<\/td><\/tr><tr><td>\uc5f0\uad6c \uad8c\uc7a5 \ucd5c\uc18c<\/td><td>120\ucd08 \uc774\ud6c4 \uc548\uc815<\/td><td>11\ucd08 \uc774\uc0c1<\/td><\/tr><tr><td>\uad8c\uc7a5 \uc0d8\ud50c\ub9c1<\/td><td>20 ~ 50 kHz<\/td><td>20 kHz \uc774\uc0c1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udccc \uce21\uc815 \uc2dc\uac04\uacfc \uc0d8\ud50c\ub9c1 \uad8c\uc7a5\uac12\uc740 \uc704 Li\u00b7Ohno \uc5f0\uad6c\uc5d0 \uc815\ub9ac\ub41c \ub0b4\uc6a9\uc785\ub2c8\ub2e4. \uaddc\uaca9 \uc6d0\ubb38(IEC TR 61547-1:2020, IEC TR 63158:2018)\uc740 \uc720\ub8cc\ub77c \uc9c1\uc811 \ud655\uc778\ud558\uc9c0 \ubabb\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">PstLM\uc774 \uae34 \uc774\uc720\ub294 <strong>\ub0ae\uc740 \uc8fc\ud30c\uc218\uc758 \ubd88\uaddc\uce59\ud55c \ubcc0\ub3d9\uae4c\uc9c0 \ud1b5\uacc4\ub85c \uc7a1\uc544\ub0b4\uc57c<\/strong> \ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. 0.3Hz\ub300 \ubcc0\ub3d9\uc744 \ud3c9\uac00\ud558\ub824\uba74 \ud55c \uc8fc\uae30\uac00 3\ucd08\uac00 \ub118\uc73c\ub2c8, \uba87 \ucd08 \uc7ac\uc11c\ub294 \uc758\ubbf8\uac00 \uc5c6\uc2b5\ub2c8\ub2e4. \uac19\uc740 \uc5f0\uad6c\ub294 \uce21\uc815 \uc2dc\uac04\ub9cc \ubc14\uafd4\ub3c4 PstLM\uc774 <strong>\ucd5c\ub300 10%\uae4c\uc9c0<\/strong> \ub2ec\ub77c\uc84c\uace0 120\ucd08 \uc774\ud6c4\uc5d0\uc57c \uc548\uc815\ub410\ub2e4\uace0 \ubcf4\uace0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udca1 <strong>\uc131\uc801\uc11c\ub97c \ubc1b\uc558\ub2e4\uba74 \uce21\uc815 \uc2dc\uac04\uc744 \ud655\uc778\ud558\uc138\uc694.<\/strong> PstLM\uc744 \uc218 \ucd08\ub9cc \uc7ac\uace0 \ub0b8 \uac12\uc774\ub77c\uba74 \uc2e0\ub8b0\ud558\uae30 \uc5b4\ub835\uc2b5\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%97%BA%EF%B8%8F_%EA%B7%B8%EB%9E%98%EC%84%9C_%EB%AC%B4%EC%97%87%EC%9D%84_%EC%96%B4%EB%96%A4_%EC%A7%80%ED%91%9C%EB%A1%9C_%ED%8C%90%EC%A0%95%ED%95%98%EB%82%98\"><\/span>\ud83d\uddfa\ufe0f \uadf8\ub798\uc11c \ubb34\uc5c7\uc744 \uc5b4\ub5a4 \uc9c0\ud45c\ub85c \ud310\uc815\ud558\ub098<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"582\" src=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flickermeas-04-metric-map-1024x582.png\" alt=\"\" class=\"wp-image-2611\" srcset=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flickermeas-04-metric-map-1024x582.png 1024w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flickermeas-04-metric-map-300x170.png 300w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flickermeas-04-metric-map-767x436.png 767w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/flickermeas-04-metric-map.png 1232w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\ubaa9\uc801<\/th><th>\uc4f0\ub294 \uc9c0\ud45c<\/th><th>\uae30\uc900<\/th><th>\ud544\uc694\ud55c \uac83<\/th><\/tr><\/thead><tbody><tr><td>\uaddc\uaca9 \ud310\uc815 (\ubcf4\uc774\ub294 \uae5c\ube61\uc784)<\/td><td>PstLM<\/td><td>\u2264 1.0<\/td><td>\uad11 \ud50c\ub9ac\ucee4\ubbf8\ud130<\/td><\/tr><tr><td>\uaddc\uaca9 \ud310\uc815 (\uc2a4\ud2b8\ub85c\ubcf4 \ud6a8\uacfc)<\/td><td>SVM<\/td><td>\u2264 0.4<\/td><td>SVM \uce21\uc815 \uc7a5\ube44<\/td><\/tr><tr><td>\uc124\uacc4 \ub2e8\uacc4 \ube60\ub978 \ud310\ub2e8<\/td><td>MD\u00b7FI + \uc8fc\ud30c\uc218<\/td><td>IEEE 1789 \uad8c\uace0\uc120<\/td><td>\uc624\uc2e4\ub85c\uc2a4\ucf54\ud504 + \ud3ec\ud1a0\ub2e4\uc774\uc624\ub4dc<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc124\uacc4 \ub2e8\uacc4\uc5d0\uc11c\ub294 \uc138 \ubc88\uc9f8 \uc904\uc774 \ud604\uc2e4\uc801\uc785\ub2c8\ub2e4. <strong>\uc624\uc2e4\ub85c\uc2a4\ucf54\ud504\uc5d0 \ud3ec\ud1a0\ub2e4\uc774\uc624\ub4dc\ub97c \ubb3c\ub824 \ud30c\ud615\uc744 \ubcf4\uace0, \uc8fc\ud30c\uc218\uc640 \ubcc0\uc870 \uae4a\uc774\ub97c \uc77d\uc5b4 IEEE 1789 \uc120\uacfc \ube44\uad50<\/strong>\ud558\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4. \uaddc\uaca9 \ud310\uc815\uc5d0\ub294 \uc4f8 \uc218 \uc5c6\uc9c0\ub9cc, &#8220;\uc774 \uc124\uacc4\uac00 \ub300\ub7b5 \uc5b4\ub290 \uad6c\uac04\uc778\uc9c0&#8221;\ub294 \ubc14\ub85c \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%93%8B_%EC%84%B1%EC%A0%81%EC%84%9C%EB%A5%BC_%EB%B0%9B%EC%95%98%EC%9D%84_%EB%95%8C_%ED%99%95%EC%9D%B8%ED%95%A0_%EA%B2%83\"><\/span>\ud83d\udccb \uc131\uc801\uc11c\ub97c \ubc1b\uc558\uc744 \ub54c \ud655\uc778\ud560 \uac83<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\uba87 % \ubc1d\uae30\uc5d0\uc11c \uce21\uc815\ud588\ub294\uac00<\/strong> \u2014 \uc55e \uae00\uc5d0\uc11c \ub2e4\ub8ec \ub300\ub85c EU \ud55c\uacc4\uac12\uc740 \uc804\ubd80\ud558(100%) \uae30\uc900\uc785\ub2c8\ub2e4. PWM\uc73c\ub85c \uc870\uad11\ud558\ub294 \uc81c\ud488\uc740 \uc870\uad11 \uc0c1\ud0dc\uc5d0\uc11c \uac12\uc774 \ud06c\uac8c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uce21\uc815 \uc2dc\uac04<\/strong> \u2014 PstLM\uc740 \ucd5c\uc18c 60\ucd08, \uac00\uae09\uc801 180\ucd08.<\/li>\n\n\n\n<li><strong>\uc0d8\ud50c\ub9c1 \ub808\uc774\ud2b8\uc640 \uc13c\uc11c \uc0ac\uc591<\/strong> \u2014 V(\u03bb) \ubcf4\uc815 \uc5ec\ubd80, \uc570\ud504 \ub300\uc5ed\ud3ed.<\/li>\n\n\n\n<li><strong>\uc5b4\ub5a4 \uc9c0\ud45c\uc778\uac00<\/strong> \u2014 MD\ub098 FI\ub9cc \uc801\ud78c \uc131\uc801\uc11c\ub294 EU \uaddc\uc815 \ud310\uc815 \uadfc\uac70\uac00 \ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc801\uc6a9 \uc608\uc678 \ub300\uc0c1\uc778\uc9c0<\/strong> \u2014 CRI 80 \uc774\ud558\uac00 \ud5c8\uc6a9\ub418\ub294 \uc625\uc678\u00b7\uc0b0\uc5c5\uc6a9 \ub4f1\uc740 \uc608\uc678\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u26a0\ufe0f <strong>\uad6d\ub0b4 \uae30\uc900\uc740 \ud655\uc778\ud558\uc9c0 \ubabb\ud588\uc2b5\ub2c8\ub2e4.<\/strong> PstLM\uc774\ub098 SVM\uc744 \uc758\ubb34 \ud55c\uacc4\ub85c \uaddc\uc815\ud55c \uad6d\ub0b4 \uac15\uc81c \uae30\uc900\uc744 \ucc3e\uc9c0 \ubabb\ud588\uc2b5\ub2c8\ub2e4. <strong>\ud655\uc2e4\ud558\uc9c0 \uc54a\uc74c<\/strong>\uc73c\ub85c \ub0a8\uae30\uba70, \ud604\uc7ac\ub85c\uc11c\ub294 EU \uae30\uc900\uc774 \uc0ac\uc2e4\uc0c1 \ucc38\uace0\uc810 \uc5ed\ud560\uc744 \ud558\ub294 \uac83\uc73c\ub85c \ubcf4\uc785\ub2c8\ub2e4(\ucd94\uce21\uc785\ub2c8\ub2e4). \uad6d\ub0b4 \uc778\uc99d \uc694\uac74\uc740 \uc2dc\ud5d8\uae30\uad00\uc5d0 \uc9c1\uc811 \ud655\uc778\ud558\uc2dc\ub294 \ud3b8\uc774 \uc815\ud655\ud569\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E2%9D%93_%EC%9E%90%EC%A3%BC_%ED%95%98%EB%8A%94_%EC%98%A4%ED%95%B4_3%EA%B0%80%EC%A7%80\"><\/span>\u2753 \uc790\uc8fc \ud558\ub294 \uc624\ud574 3\uac00\uc9c0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\uc624\ud574 1. &#8220;\ud37c\uc13c\ud2b8 \ud50c\ub9ac\ucee4\uac00 \ub0ae\uc73c\uba74 PstLM\u00b7SVM\ub3c4 \uc88b\ub2e4&#8221;<\/strong> \u2192 \ubc29\ud5a5\uc740 \ub300\uccb4\ub85c \uac19\uc9c0\ub9cc \ubcf4\uc7a5\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. MD\ub294 \uc8fc\ud30c\uc218\ub97c \uad6c\ubd84\ud558\uc9c0 \ubabb\ud558\ubbc0\ub85c, \uac19\uc740 MD\ub77c\ub3c4 \uc8fc\ud30c\uc218\uc5d0 \ub530\ub77c SVM\uc774 \ud06c\uac8c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uaddc\uc815 \ud310\uc815\uc5d0\ub294 MD \uac12\uc744 \uc4f8 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\uc624\ud574 2. &#8220;\uc7a5\ube44 \ud654\uba74\uc5d0 \ud50c\ub9ac\ucee4\uac00 \uc548 \ubcf4\uc774\ub2c8 \uc5c6\ub294 \uac83\uc774\ub2e4&#8221;<\/strong> \u2192 \uc570\ud504 \ub300\uc5ed\ud3ed\uacfc \uc0d8\ud50c\ub9c1 \ub808\uc774\ud2b8\uac00 \ubd80\uc871\ud558\uba74 \uc788\ub294 \ud50c\ub9ac\ucee4\ub3c4 \uc548 \ubcf4\uc785\ub2c8\ub2e4. 20kHz PWM\uc744 2kHz \ub300\uc5ed \uc13c\uc11c\ub85c \ubcf4\uba74 \ud3c9\ud0c4\ud55c \uc9c1\uc120\uc774 \ub098\uc635\ub2c8\ub2e4. <strong>\uc7a5\ube44 \uc0ac\uc591\uc744 \uba3c\uc800 \ud655\uc778<\/strong>\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\uc624\ud574 3. &#8220;SVM\uc774 1\ubcf4\ub2e4 \uc791\uc73c\uba74 \uc548\uc804\ud558\ub2e4&#8221;<\/strong> \u2192 SVM = 1\uc740 \ud3c9\uade0 \uad00\ucc30\uc790\uac00 50% \ud655\ub960\ub85c \uc54c\uc544\ucc44\ub294 <strong>\uc784\uacc4\uac12<\/strong>\uc774\uc9c0 \ud5c8\uc6a9 \uae30\uc900\uc774 \uc544\ub2d9\ub2c8\ub2e4. CIE\uc640 NEMA \ubaa8\ub450 \uc774 \uc810\uc744 \uba85\uc2dc\ud558\uace0 \uc788\uace0, EU \uaddc\uc815\uc774 0.4\ub97c \ud55c\uacc4\ub85c \ub454 \uac83\ub3c4 \uadf8\ub798\uc11c\uc785\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E2%9C%85_%ED%95%9C%EB%88%88%EC%97%90_%EC%A0%95%EB%A6%AC\"><\/span>\u2705 \ud55c\ub208\uc5d0 \uc815\ub9ac<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\ud56d\ubaa9<\/th><th>\ud575\uc2ec \ub0b4\uc6a9<\/th><\/tr><\/thead><tbody><tr><td>MD\u00b7FI\uc758 \ud55c\uacc4<\/td><td>\uc2dd\uc5d0 \uc8fc\ud30c\uc218\uac00 \uc5c6\uc5b4 10Hz\uc640 1kHz\ub97c \uad6c\ubd84\ud558\uc9c0 \ubabb\ud568<\/td><\/tr><tr><td>PstLM<\/td><td>\ubcf4\uc774\ub294 \uae5c\ube61\uc784. 0.3~80Hz. \ud55c\uacc4 1.0 \uc774\ud558<\/td><\/tr><tr><td>PstLM \ud2b9\uc131<\/td><td>\uad11 \ud50c\ub9ac\ucee4\ubbf8\ud130 \ud544\uc694. \uc190\uacc4\uc0b0 \ubd88\uac00. \ube44\uc8fc\uae30 \ubcc0\ub3d9\ub3c4 \ud3c9\uac00<\/td><\/tr><tr><td>SVM<\/td><td>\uc2a4\ud2b8\ub85c\ubcf4 \ud6a8\uacfc. 80~2,000Hz. \ud55c\uacc4 0.4 \uc774\ud558<\/td><\/tr><tr><td>SVM \uacc4\uc0b0<\/td><td>\ud478\ub9ac\uc5d0 \uc131\ubd84 \u00f7 \uac00\uc2dc\uc131 \uc784\uacc4\uac12, \ubbfc\ucf54\ud504\uc2a4\ud0a4 \uc9c0\uc218 3.7<\/td><\/tr><tr><td>SVM = 1<\/td><td>\uc784\uacc4\uac12\uc774\uc9c0 \ud5c8\uc6a9 \uae30\uc900\uc774 \uc544\ub2d8<\/td><\/tr><tr><td>PWM \uc5b4\ub9bc \uae30\uc900<\/td><td>SVM 0.4 \u2192 \uc57d 1,500Hz (\ucd5c\uc545 \uc870\uac74 \uadfc\uc0ac)<\/td><\/tr><tr><td>\uc124\uacc4 \ubaa9\ud45c\uc120<\/td><td>3kHz \uc774\uc0c1\uc774\uba74 IEEE 1789\u00b7EU \uae30\uc900 \ubaa8\ub450 \uc5ec\uc720<\/td><\/tr><tr><td>\uc13c\uc11c \uc694\uad6c<\/td><td>V(\u03bb) \ubcf4\uc815, \uc570\ud504 \ucc28\ub2e8 2kHz \uc774\uc0c1<\/td><\/tr><tr><td>\uc0d8\ud50c\ub9c1<\/td><td>\uc2e4\ubb34 \uad8c\uc7a5 20~50kHz. 2kHz\uba74 \ud3c9\uade0\uac12\uc774 +66.7% \ud2c0\ub9bc<\/td><\/tr><tr><td>\uce21\uc815 \uc2dc\uac04<\/td><td>PstLM 180\ucd08(\uc55e 60\ucd08 \uc81c\uc678), SVM 11\ucd08 \uc774\uc0c1<\/td><\/tr><tr><td>\uc131\uc801\uc11c \ud655\uc778<\/td><td>\uce21\uc815 \ubc1d\uae30, \uce21\uc815 \uc2dc\uac04, \uc7a5\ube44 \uc0ac\uc591, \uc9c0\ud45c \uc885\ub958<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%8E%AF_%EC%98%A4%EB%8A%98_%EB%B0%94%EB%A1%9C_%ED%99%95%EC%9D%B8%ED%95%B4%EB%B3%BC_%EA%B2%83\"><\/span>\ud83c\udfaf \uc624\ub298 \ubc14\ub85c \ud655\uc778\ud574\ubcfc \uac83<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\ubcf4\uc720\ud55c \uc870\uba85\uc758 \uc131\uc801\uc11c\uc5d0 <strong>PstLM\u00b7SVM\uc774 \uc788\ub294\uc9c0, \uc544\ub2c8\uba74 MD\u00b7FI\ub9cc \uc788\ub294\uc9c0<\/strong> \ud655\uc778\ud558\uc138\uc694. \ud6c4\uc790\ub77c\uba74 EU \uaddc\uc815 \ud310\uc815 \uadfc\uac70\ub85c\ub294 \ubd80\uc871\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc131\uc801\uc11c\uac00 \uc788\ub2e4\uba74 <strong>\uce21\uc815 \ubc1d\uae30(\uc804\ubd80\ud558\uc778\uc9c0 \uc870\uad11 \uc0c1\ud0dc\uc778\uc9c0)\uc640 \uce21\uc815 \uc2dc\uac04<\/strong>\uc744 \ucc3e\uc544\ubcf4\uc138\uc694. \uc774 \ub458\uc774 \ube60\uc838 \uc788\uc73c\uba74 \uc694\uccad\ud560 \ud56d\ubaa9\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc0ac\ub0b4\uc5d0 \uc624\uc2e4\ub85c\uc2a4\ucf54\ud504\uc640 \ud3ec\ud1a0\ub2e4\uc774\uc624\ub4dc\uac00 \uc788\ub2e4\uba74, <strong>\uc870\uba85 \ud30c\ud615\uc758 \uc8fc\ud30c\uc218\uc640 \ubcc0\uc870 \uae4a\uc774\ub97c \uc9c1\uc811 \uc77d\uc5b4<\/strong> \uc55e \uae00\uc758 IEEE 1789 \ud45c\uc640 \ube44\uad50\ud574\ubcf4\uc138\uc694. \uaddc\uaca9 \ud310\uc815\uc740 \uc544\ub2c8\uc9c0\ub9cc \uc124\uacc4 \ud310\ub2e8\uc5d0\ub294 \ucda9\ubd84\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%93%9A_%ED%95%A8%EA%BB%98_%EC%9D%BD%EC%9C%BC%EB%A9%B4_%EC%A2%8B%EC%9D%80_%EA%B8%80\"><\/span>\ud83d\udcda \ud568\uaed8 \uc77d\uc73c\uba74 \uc88b\uc740 \uae00<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83d\udca1 <a href=\"https:\/\/steelcrucian.com\/led-flicker-pwm-guide\/\">\ud50c\ub9ac\ucee4(Flicker)\uc640 \uc870\uba85 \ud488\uc9c8 \u2013 PWM \uc870\uad11\uc758 \ud568\uc815<\/a> \u2014 \uc774 \uae00\uc5d0\uc11c \uc4f4 \ud37c\uc13c\ud2b8 \ud50c\ub9ac\ucee4\u00b7\ud50c\ub9ac\ucee4 \uc778\ub371\uc2a4 \uacc4\uc0b0\ubc95\uacfc IEEE 1789 \uad8c\uace0\uc120\uc774 \uc815\ub9ac\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ud83d\udd0c <a href=\"https:\/\/steelcrucian.com\/led-driver-constant-current\/\">LED \ub4dc\ub77c\uc774\ubc84 \uae30\ucd08 \u2013 \uc815\uc804\ub958 vs \uc815\uc804\uc555<\/a> \u2014 \uce21\uc815 \ub300\uc0c1\uc778 \ub9ac\ud50c\uacfc PWM\uc774 \ub4dc\ub77c\uc774\ubc84\uc758 \uc5b4\ub290 \uad6c\uc870\uc5d0\uc11c \ub098\uc624\ub294\uc9c0 \ub2e4\ub8f9\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ud83d\udccf <a href=\"https:\/\/steelcrucian.com\/light-meter-buying-guide\/\">\uc870\ub3c4\uacc4\u00b7\uceec\ub7ec\ubbf8\ud130 \uc120\ud0dd \uac00\uc774\ub4dc<\/a> \u2014 \uc774 \uae00\uc758 V(\u03bb) \ubcf4\uc815\uacfc f1\u2032 \uc624\ucc28\uac00 \uc65c \uc911\uc694\ud55c\uc9c0, \uad11\uce21\uc815 \uc7a5\ube44 \uc0ac\uc591\uc744 \uc77d\ub294 \uae30\uc900\uc744 \uc815\ub9ac\ud588\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\ub2e4\uc74c \uae00\uc5d0\uc11c\ub294 <strong>\uba38\uc2e0\ube44\uc804 \uc870\uba85 \uae30\ubc95 \u2013 \uba85\uc2dc\uc57c\u00b7\uc554\uc2dc\uc57c\u00b7\ub3d9\ucd95\u00b7\ubc31\ub77c\uc774\ud2b8<\/strong>\ub97c \ub2e4\ub8f9\ub2c8\ub2e4. \uc9c0\uae08\uae4c\uc9c0\uc758 \uc804\uae30\u00b7\uc5f4 \uc774\uc57c\uae30\ub97c \ubc97\uc5b4\ub098, \uac80\uc0ac \ub300\uc0c1\uc5d0 \ub530\ub77c \ube5b\uc744 \uc5b4\ub5bb\uac8c \ub193\uc544\uc57c \ud558\ub294\uc9c0 \uc815\ub9ac\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>LED \uc870\uba85 \uc131\uc801\uc11c\uc5d0 \uc774\ub807\uac8c \uc801\ud600 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uac8c \uc88b\uc740 \uac12\uc77c\uae4c\uc694? \uadf8\ub9ac\uace0 \uc774 \ub450 \uc22b\uc790\ub294 \uc5b4\ub5bb\uac8c \ub098\uc628 \uac78\uae4c\uc694? \uc55e \uae00\uc5d0\uc11c **\ud37c\uc13c\ud2b8 \ud50c\ub9ac\ucee4(\ubcc0\uc870 \uae4a\uc774)**\uc640 \ud50c\ub9ac\ucee4 \uc778\ub371\uc2a4\ub97c \uacc4\uc0b0\ud574\ubd24\uc2b5\ub2c8\ub2e4. \uc885\uc774\uc640 \uacc4\uc0b0\uae30\ub9cc \uc788\uc73c\uba74 \ub418\ub294 \uac12\ub4e4\uc785\ub2c8\ub2e4. \uadf8\ub7f0\ub370 \uc815\uc791 \uc720\ub7fd \uaddc\uc815\uc774 \uc694\uad6c\ud558\ub294 \uac74 \uc800 \ub450 \uae00\uc790\uc9dc\ub9ac \uc9c0\ud45c\uc785\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \uc774 \ub458\uc740 \uc190\uc73c\ub85c \uacc4\uc0b0\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc740 PstLM\uacfc SVM\uc774 \ubb34\uc5c7\uc744 \uc7ac\ub294\uc9c0, \uc65c \uae30\uc874 \uc9c0\ud45c\ub85c\ub294&hellip;&nbsp;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":"","jetpack_post_was_ever_published":false},"categories":[72],"tags":[950,949,945,946,948,933,951,947],"class_list":["post-2608","post","type-post","status-publish","format-standard","hentry","category-optics","tag-cietn006","tag-iec61547","tag-pstlm","tag-svm","tag-948","tag-933","tag-951","tag-947"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/posts\/2608","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/comments?post=2608"}],"version-history":[{"count":1,"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/posts\/2608\/revisions"}],"predecessor-version":[{"id":2613,"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/posts\/2608\/revisions\/2613"}],"wp:attachment":[{"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/media?parent=2608"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/categories?post=2608"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/tags?post=2608"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}