{"id":44373,"date":"2026-03-23T01:16:03","date_gmt":"2026-03-22T17:16:03","guid":{"rendered":"https:\/\/tecolite.com\/?p=44373"},"modified":"2026-03-23T01:16:03","modified_gmt":"2026-03-22T17:16:03","slug":"%d9%88%d9%85%d9%8a%d8%b6-led-%d9%85%d9%82%d8%a7%d8%a8%d9%84-%d8%aa%d8%a3%d8%ab%d9%8a%d8%b1-%d8%a7%d9%84%d9%88%d9%85%d9%8a%d8%b6","status":"publish","type":"post","link":"https:\/\/tecolite.com\/ar\/led-flicker-vs-stroboscopic-effect\/","title":{"rendered":"\u0648\u0645\u064a\u0636 LED \u0645\u0642\u0627\u0628\u0644 \u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u0648\u0645\u064a\u0636: \u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0641\u0627\u062a\u060c \u0627\u0644\u0645\u062e\u0627\u0637\u0631 \u0648\u0643\u064a\u0641\u064a\u0629 \u0625\u0635\u0644\u0627\u062d\u0647\u0627"},"content":{"rendered":"<h2>\u0645\u0642\u062f\u0645\u0629: \u0644\u0645\u0627\u0630\u0627 \u0648\u0645\u064a\u0636 LED \u064a\u0645\u062b\u0644 \u062e\u0637\u0631\u064b\u0627 \u062d\u0642\u064a\u0642\u064a\u064b\u0627 \u0644\u0644\u0645\u0634\u0631\u0648\u0639<\/h2>\n<p>\u0648\u0645\u064a\u0636 LED \u0647\u0648 \u0623\u062d\u062f \u0623\u0643\u062b\u0631 \u0627\u0644\u0645\u0634\u0627\u0643\u0644 \u0634\u064a\u0648\u0639\u064b\u0627 \u0641\u064a \u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0625\u0636\u0627\u0621\u0629 \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629.<\/p>\n<p>\u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0624\u062f\u064a \u0625\u0644\u0649:<\/p>\n<ul>\n<li>\u0639\u062f\u0645 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0627\u0644\u0636\u0648\u0621 \u0627\u0644\u0645\u0631\u0626\u064a<\/li>\n<li>\u062a\u062f\u0627\u062e\u0644 \u0627\u0644\u0643\u0627\u0645\u064a\u0631\u0627 \u0641\u064a \u0628\u064a\u0626\u0627\u062a \u0627\u0644\u0628\u064a\u0639 \u0628\u0627\u0644\u062a\u062c\u0632\u0626\u0629<\/li>\n<li>\u0627\u0646\u0632\u0639\u0627\u062c \u0641\u064a \u0627\u0644\u0645\u0643\u0627\u062a\u0628 \u0648\u0623\u0645\u0627\u0643\u0646 \u0627\u0644\u0636\u064a\u0627\u0641\u0629<\/li>\n<li>\u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0641\u064a \u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u0622\u0644\u0627\u062a \u0627\u0644\u0645\u062a\u062d\u0631\u0643\u0629<\/li>\n<\/ul>\n<p>\u0641\u064a \u0643\u062b\u064a\u0631 \u0645\u0646 \u0627\u0644\u062d\u0627\u0644\u0627\u062a\u060c \u0645\u0627 \u064a\u0628\u062f\u0648 \u0643\u0648\u0645\u064a\u0636 \u0647\u0648 \u0641\u064a \u0627\u0644\u0648\u0627\u0642\u0639 <strong>\u0627\u0644\u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u0648\u0645\u064a\u0636\u064a<\/strong>\u2014\u0638\u0627\u0647\u0631\u0629 \u0645\u062e\u062a\u0644\u0641\u0629 \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0634\u0648\u0647 \u0625\u062f\u0631\u0627\u0643 \u0627\u0644\u062d\u0631\u0643\u0629.<\/p>\n<p>\u0641\u0647\u0645 \u0627\u0644\u0641\u0631\u0642 \u0636\u0631\u0648\u0631\u064a \u0645\u0646 \u0623\u062c\u0644:<\/p>\n<ul>\n<li>\u0627\u062e\u062a\u064a\u0627\u0631 \u0633\u0627\u0626\u0642\u0627\u062a LED \u0645\u062a\u0648\u0627\u0641\u0642\u0629<\/li>\n<li>\u062a\u0644\u0628\u064a\u0629 \u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644 \u0627\u0644\u062f\u0648\u0644\u064a\u0629<\/li>\n<li>\u062a\u062c\u0646\u0628 \u0627\u0644\u062a\u0623\u062e\u064a\u0631\u0627\u062a \u0627\u0644\u0645\u0643\u0644\u0641\u0629 \u0641\u064a \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/li>\n<\/ul>\n<p>\u0641\u0647\u0645 \u0627\u0644\u0641\u0631\u0642 \u0623\u0645\u0631 \u0628\u0627\u0644\u063a \u0627\u0644\u0623\u0647\u0645\u064a\u0629 \u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0633\u0627\u0626\u0642\u0627\u062a LED \u0648\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062a\u0639\u062a\u064a\u0645 \u0627\u0644\u0645\u062a\u0648\u0627\u0641\u0642\u0629. \u0644\u0641\u0647\u0645 \u0623\u0639\u0645\u0642 \u0644\u062a\u0648\u0627\u0641\u0642 \u0627\u0644\u062a\u0639\u062a\u064a\u0645\u060c \u0631\u0627\u062c\u0639 \u062f\u0644\u064a\u0644\u0646\u0627 \u062d\u0648\u0644 <a href=\"https:\/\/tecolite.com\/ar\/dimmable-led-lighting-in-real-world-use-benefits-challenges-and-practical-insights\/\" title=\"\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0625\u0636\u0627\u0621\u0629 LED \u0627\u0644\u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u062a\u0639\u062a\u064a\u0645\">\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0625\u0636\u0627\u0621\u0629 LED \u0627\u0644\u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u062a\u0639\u062a\u064a\u0645<\/a>.<\/p>\n<hr \/>\n<h2>\u0627\u0644\u0648\u0645\u064a\u0627\u0628 \u0645\u0642\u0627\u0628\u0644 \u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u0648\u0645\u064a\u0627\u0628 \u0627\u0644\u0648\u0627\u0645\u0636<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u0645\u064a\u0632\u0629<\/th>\n<th>\u0648\u0645\u064a\u0636<\/th>\n<th>\u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u0627\u0633\u062a\u0631\u0648\u0628\u0648\u0633\u0643\u0648\u0628\u064a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0633\u0628\u0628<\/td>\n<td>\u062a\u0642\u0644\u0628\u0627\u062a \u0634\u062f\u0629 \u0627\u0644\u0636\u0648\u0621<\/td>\n<td>\u0627\u0644\u062a\u0641\u0627\u0639\u0644 \u0645\u0639 \u0627\u0644\u062d\u0631\u0643\u0629<\/td>\n<\/tr>\n<tr>\n<td>\u0625\u062f\u0631\u0627\u0643<\/td>\n<td>\u0639\u062f\u0645 \u0627\u0644\u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0627\u0644\u0645\u0631\u0626\u064a (\u062b\u0627\u0628\u062a)<\/td>\n<td>\u0648\u0647\u0645 \u0627\u0644\u062d\u0631\u0643\u0629<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0645\u0642\u0627\u064a\u064a\u0633 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/td>\n<td>PF \/ FI \/ Pst LM<\/td>\n<td>SVM<\/td>\n<\/tr>\n<tr>\n<td>\u0645\u062e\u0627\u0637\u0631\u0629<\/td>\n<td>\u0625\u062c\u0647\u0627\u062f \u0627\u0644\u0639\u064a\u0646\u060c \u0627\u0646\u0632\u0639\u0627\u062c<\/td>\n<td>\u062e\u0637\u0631 \u0639\u0644\u0649 \u0627\u0644\u0633\u0644\u0627\u0645\u0629<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2>\u0645\u0627 \u0647\u0648 \u0648\u0645\u064a\u0627\u0628 LED\u061f<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/tecolite.com\/wp-content\/uploads\/2026\/03\/smart-led-bulb-reflection.webp\" alt=\"\u064a\u062f \u062a\u0645\u0633\u0643 \u0628\u0647\u0627\u062a\u0641 \u0630\u0643\u064a \u0623\u0633\u0648\u062f \u064a\u0639\u0631\u0636 \u0645\u0635\u0628\u0627\u062d LED \u0645\u062a\u0648\u0647\u062c \u0639\u0644\u0649 \u0634\u0627\u0634\u062a\u0647\u060c \u0628\u064a\u0646\u0645\u0627 \u064a\u0635\u062f\u0631 \u0645\u0635\u0628\u0627\u062d\u0627\u0646 \u0623\u0628\u064a\u0636\u0627\u0646 \u0645\u0639\u0644\u0642\u0627\u0646 \u0636\u0648\u0621\u064b\u0627 \u062f\u0627\u0641\u0626\u064b\u0627 \u0641\u064a \u063a\u0631\u0641\u0629 \u0645\u0631\u064a\u062d\u0629 \u0628\u0647\u0627 \u0646\u0628\u0627\u062a\u0627\u062a \u0648\u0623\u0631\u0641\u0641.\" \/><\/p>\n<p><em>\u0641\u064a \u062f\u0627\u062e\u0644 \u062f\u0627\u0641\u0626 \u0627\u0644\u0625\u0636\u0627\u0621\u0629\u060c \u062a\u0639\u0643\u0633 \u0634\u0627\u0634\u0629 \u0647\u0627\u062a\u0641 \u0630\u0643\u064a \u0648\u0647\u062c \u0645\u0635\u0628\u0627\u062d LED \u0645\u0646 \u0627\u0644\u0645\u0635\u0627\u0628\u064a\u062d \u0627\u0644\u0645\u0639\u0644\u0642\u0629 \u0627\u0644\u0642\u0631\u064a\u0628\u0629\u060c \u0645\u062d\u0627\u0637\u0629 \u0628\u0646\u0628\u0627\u062a\u0627\u062a \u0645\u0646\u0632\u0644\u064a\u0629 \u0648\u0623\u0631\u0641\u0641 \u062e\u0634\u0628\u064a\u0629.<\/em><\/p>\n<p>\u064a\u0634\u064a\u0631 \u0648\u0645\u064a\u0636 LED \u0625\u0644\u0649 <strong>\u062a\u0639\u062f\u064a\u0644 \u0627\u0644\u0636\u0648\u0621 \u0627\u0644\u0632\u0645\u0646\u064a<\/strong>, \u060c \u062d\u064a\u062b \u064a\u062e\u062a\u0644\u0641 \u0625\u062e\u0631\u0627\u062c \u0627\u0644\u0636\u0648\u0621 \u0628\u0645\u0631\u0648\u0631 \u0627\u0644\u0648\u0642\u062a \u0628\u0633\u0628\u0628 \u062a\u0645\u0648\u062c \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0621 \u0623\u0648 \u0639\u062f\u0645 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0627\u0644\u0633\u0627\u0626\u0642.<\/p>\n<p>\u0648\u0641\u0642\u064b\u0627 \u0644\u0640 IEEE\u060c \u064a\u0639\u062a\u0645\u062f \u062e\u0637\u0631 \u0627\u0644\u0648\u0645\u064a\u0636 \u0639\u0644\u0649 \u0627\u0644\u062a\u0631\u062f\u062f \u0648\u0639\u0645\u0642 \u0627\u0644\u062a\u0639\u062f\u064a\u0644 (\u0627\u0646\u0638\u0631 IEEE 1789-2015).<\/p>\n<hr \/>\n<h3>\u0645\u0642\u0627\u064a\u064a\u0633 \u0648\u0645\u0624\u0634\u0631\u0627\u062a \u0627\u0644\u0648\u0645\u064a\u0627\u0628 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h3>\n<ul>\n<li><strong>\u0646\u0633\u0628\u0629 \u0627\u0644\u0648\u0645\u064a\u0636 (PF)<\/strong><\/li>\n<li><strong>\u0645\u0624\u0634\u0631 \u0627\u0644\u0648\u0645\u064a\u0627\u0628 (FI)<\/strong><\/li>\n<\/ul>\n<p>\u0646\u0633\u0628\u0629 \u0627\u0644\u0648\u0645\u064a\u0636 = (L_max \u2212 L_min) \/ (L_max + L_min) \u00d7 100%<\/p>\n<p>\u062a\u0648\u0635\u064a\u0629 IEEE:<\/p>\n<ul>\n<li>\u0645\u062e\u0627\u0637\u0631\u0629 \u0645\u0646\u062e\u0641\u0636\u0629: <strong>&lt;10% \u062a\u0639\u062f\u064a\u0644 (100\u20132000 \u0647\u0631\u062a\u0632)<\/strong><\/li>\n<li>\u0645\u0641\u0636\u0644: <strong>&lt;5% \u0641\u064a \u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0627\u0644\u062d\u0633\u0627\u0633\u0629<\/strong><\/li>\n<\/ul>\n<hr \/>\n<h3>\u0631\u0624\u064a\u0629 \u0647\u0646\u062f\u0633\u064a\u0629<\/h3>\n<p>\u0641\u064a \u0627\u0644\u062a\u0631\u0643\u064a\u0628\u0627\u062a \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629 \u0627\u0644\u062d\u0642\u064a\u0642\u064a\u0629 \u0644\u0640 GU10\u060c \u0623\u0643\u062b\u0631 \u0645\u0646 <strong>80% \u0645\u0646 \u0645\u0634\u0627\u0643\u0644 \u0627\u0644\u0648\u0645\u064a\u0636 \u062a\u0633\u0628\u0628\u0647\u0627 \u0639\u062f\u0645 \u0627\u0644\u062a\u0648\u0627\u0641\u0642 \u0628\u064a\u0646 \u0627\u0644\u0645\u062e\u0641\u062a \u0648\u0627\u0644\u0633\u0627\u0626\u0642 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u062c\u0648\u062f\u0629 \u0634\u0631\u064a\u062d\u0629 LED<\/strong>.<\/p>\n<hr \/>\n<h2>\u0645\u0627 \u0647\u0648 \u0627\u0644\u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u0648\u0645\u064a\u0636\u064a\u061f<\/h2>\n<p>\u0627\u0644 <strong>\u0627\u0644\u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u0648\u0645\u064a\u0636\u064a<\/strong> \u064a\u062d\u062f\u062b \u0639\u0646\u062f\u0645\u0627 \u064a\u062a\u0641\u0627\u0639\u0644 \u0627\u0644\u0636\u0648\u0621 \u0627\u0644\u0645\u0639\u062f\u0644 \u0645\u0639 \u0627\u0644\u0623\u062c\u0633\u0627\u0645 \u0627\u0644\u0645\u062a\u062d\u0631\u0643\u0629\u060c \u0645\u0645\u0627 \u064a\u062e\u0644\u0642 \u0623\u0648\u0647\u0627\u0645\u0627\u064b \u0628\u0635\u0631\u064a\u0629.<\/p>\n<p>\u0623\u0645\u062b\u0644\u0629:<\/p>\n<ul>\n<li>\u0645\u0631\u0627\u0648\u062d \u062f\u0648\u0627\u0631\u0629 \u062a\u0628\u062f\u0648 \u062b\u0627\u0628\u062a\u0629<\/li>\n<li>\u0623\u062d\u0632\u0645\u0629 \u0627\u0644\u0646\u0642\u0644 \u062a\u0628\u062f\u0648 \u0623\u0628\u0637\u0623 \u0623\u0648 \u0645\u0639\u0643\u0648\u0633\u0629<\/li>\n<li>\u062d\u0631\u0643\u0629 \u0627\u0644\u0622\u0644\u0629 \u062a\u064f\u0633\u0627\u0621 \u062a\u0641\u0633\u064a\u0631\u0647\u0627<\/li>\n<\/ul>\n<p>\u0645\u064f\u0639\u0631\u064e\u0651\u0641 \u0645\u0646 \u0642\u0628\u0644 \u0627\u0644\u0644\u062c\u0646\u0629 \u0627\u0644\u0643\u0647\u0631\u0648\u062a\u0642\u0646\u064a\u0629 \u0627\u0644\u062f\u0648\u0644\u064a\u0629 (IEC) \u0641\u064a IEC TR 63158:2018<br \/>\n(<a href=\"https:\/\/webstore.iec.ch\/publication\/29994\">https:\/\/webstore.iec.ch\/publication\/29994<\/a>)<\/p>\n<hr \/>\n<h3>\u0645\u0642\u064a\u0627\u0633 \u0631\u0626\u064a\u0633\u064a: SVM (\u0645\u0642\u064a\u0627\u0633 \u0648\u0636\u0648\u062d \u0627\u0644\u0648\u0647\u062c)<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/tecolite.com\/wp-content\/uploads\/2026\/03\/fp3000-flicker-photometer-screen.webp\" alt=\"Digital screen of FP3000 Flicker Photometer displaying measurements including an SVM value of 0.157, minimum 95.77 Hz, maximum 148.60 Hz, and options for visible and invisible flicker analysis.\" \/><\/p>\n<p><em>\u0648\u0627\u062c\u0647\u0629 \u0645\u0642\u064a\u0627\u0633 \u0627\u0644\u0648\u0645\u064a\u0636 FP3000 \u062a\u0639\u0631\u0636 \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0642\u064a\u0627\u0633 \u0641\u064a \u0627\u0644\u0648\u0642\u062a \u0627\u0644\u0641\u0639\u0644\u064a\u060c \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 \u0631\u0633\u0648\u0645 \u0627\u0644\u0645\u0648\u062c\u0627\u062a\u060c \u0646\u0637\u0627\u0642 \u0627\u0644\u062a\u0631\u062f\u062f \u0645\u0646 95.77 \u0647\u0631\u062a\u0632 \u0625\u0644\u0649 148.60 \u0647\u0631\u062a\u0632\u060c \u0648\u0636\u0648\u0627\u0628\u0637 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0648\u0645\u064a\u0636 \u0627\u0644\u0645\u0631\u0626\u064a \u0648\u063a\u064a\u0631 \u0627\u0644\u0645\u0631\u0626\u064a.<\/em><\/p>\n<ul>\n<li><strong>SVM \u2264 0.4 \u2192 \u0645\u0642\u0628\u0648\u0644 (\u0645\u062a\u0637\u0644\u0628 EU ErP)<\/strong><\/li>\n<li>\n<p><strong>SVM &lt; 0.2 \u2192 \u0645\u0633\u062a\u0648\u0649 \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0645\u062e\u0627\u0637\u0631 \u0645\u0648\u0635\u0649 \u0628\u0647<\/strong><\/p>\n<p>\u0641\u064a \u0627\u0644\u0644\u0648\u0627\u0626\u062d \u0627\u0644\u0623\u0648\u0631\u0648\u0628\u064a\u0629 \u0627\u0644\u062d\u062f\u064a\u062b\u0629 (\u0627\u0644\u0644\u0627\u0626\u062d\u0629 (\u0627\u0644\u0627\u062a\u062d\u0627\u062f \u0627\u0644\u0623\u0648\u0631\u0648\u0628\u064a) 2019\/2020)\u060c,<br \/>\n<strong>SVM \u2264 0.4 \u0647\u0648 \u0639\u062a\u0628\u0629 \u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0644\u0645\u0646\u062a\u062c\u0627\u062a LED.<\/strong><\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<h2>\u0627\u0644\u0648\u0645\u064a\u0636 \u0642\u0635\u064a\u0631 \u0627\u0644\u0645\u062f\u0649 (Pst LM) \u0641\u064a \u0623\u0646\u0638\u0645\u0629 LED<\/h2>\n<p>\u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 PF \u0648 SVM\u060c \u064a\u062c\u0628 \u0623\u0646 \u062a\u0623\u062e\u0630 \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0625\u0636\u0627\u0621\u0629 \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629 \u0641\u064a \u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631:<\/p>\n<p><strong>Pst LM (\u0634\u062f\u0629 \u0627\u0644\u0648\u0645\u064a\u0636 \u0642\u0635\u064a\u0631 \u0627\u0644\u0645\u062f\u0649)<\/strong><\/p>\n<p>\u0645\u062d\u062f\u062f \u0641\u064a IEC 61000-3-3<\/p>\n<hr \/>\n<h3>\u0645\u0627 \u064a\u0642\u064a\u0633\u0647 Pst LM<\/h3>\n<ul>\n<li>\u064a\u0642\u064a\u0645 <strong>\u062a\u0623\u062b\u064a\u0631 \u062a\u0642\u0644\u0628 \u0627\u0644\u062c\u0647\u062f \u0639\u0644\u0649 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0627\u0644\u0625\u0636\u0627\u0621\u0629<\/strong><\/li>\n<li>\u064a\u0639\u0643\u0633 <strong>\u0623\u062f\u0627\u0621 \u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0646\u0638\u0627\u0645<\/strong>, \u060c \u0644\u064a\u0633 \u0641\u0642\u0637 \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0633\u0627\u0626\u0642<\/li>\n<\/ul>\n<hr \/>\n<h3>\u0639\u062a\u0628\u0629 \u0631\u0626\u064a\u0633\u064a\u0629<\/h3>\n<ul>\n<li><strong>Pst LM = 1.0 \u2192 \u062d\u062f \u0627\u0644\u0625\u062f\u0631\u0627\u0643<\/strong><\/li>\n<li><strong>Pst LM &lt; 1.0 \u2192 \u0645\u0642\u0628\u0648\u0644 \u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0625\u0636\u0627\u0621\u0629 \u0627\u0644\u0639\u0627\u0645\u0629<\/strong><\/li>\n<\/ul>\n<hr \/>\n<h3>\u0644\u0645\u0627\u0630\u0627 \u064a\u0647\u0645<\/h3>\n<p>\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u062a\u0646\u062a\u062c \u0642\u064a\u0645 Pst \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u0645\u0646:<\/p>\n<ul>\n<li>\u0625\u0645\u062f\u0627\u062f \u0637\u0627\u0642\u0629 \u063a\u064a\u0631 \u0645\u0633\u062a\u0642\u0631<\/li>\n<li>\u0645\u062e\u0641\u062a\u0627\u062a \u063a\u064a\u0631 \u0645\u062a\u0648\u0627\u0641\u0642\u0629<\/li>\n<li>\u062a\u063a\u064a\u0631 \u0643\u0628\u064a\u0631 \u0641\u064a \u0627\u0644\u062d\u0645\u0644<\/li>\n<\/ul>\n<hr \/>\n<h3>\u062a\u0648\u0635\u064a\u0629 \u0647\u0646\u062f\u0633\u064a\u0629<\/h3>\n<ul>\n<li>\u062a\u0623\u0643\u062f <strong>Pst LM &lt; 1.0<\/strong><\/li>\n<li>\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u062a\u0648\u0627\u0641\u0642 \u0627\u0644\u062a\u0639\u062a\u064a\u0645<\/li>\n<li>\u0627\u0633\u062a\u062e\u062f\u0645 \u0633\u0627\u0626\u0642\u064a\u064a\u0646 \u0628\u062a\u0646\u0638\u064a\u0645 \u0625\u062f\u062e\u0627\u0644 \u0645\u0633\u062a\u0642\u0631<\/li>\n<\/ul>\n<hr \/>\n<h2>\u0644\u0645\u0627\u0630\u0627 \u062a\u0648\u0645\u0636 \u0645\u0635\u0627\u0628\u064a\u062d LED \u0641\u064a \u0627\u0644\u062a\u0631\u0643\u064a\u0628\u0627\u062a \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629\u061f<\/h2>\n<p>\u0641\u064a \u0627\u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0648\u0627\u0642\u0639\u064a\u0629\u060c \u0639\u0627\u062f\u0629 \u0645\u0627 \u064a\u0643\u0648\u0646 \u0627\u0644\u0648\u0645\u064a\u0636 \u0646\u0627\u062a\u062c\u064b\u0627 \u0639\u0646 \u0639\u062f\u0645 \u062a\u0637\u0627\u0628\u0642 \u0627\u0644\u0646\u0638\u0627\u0645 \u0648\u0644\u064a\u0633 \u0641\u0634\u0644 \u0627\u0644\u0645\u0646\u062a\u062c.<\/p>\n<h3>\u0627\u0644\u0623\u0633\u0628\u0627\u0628 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/h3>\n<ol>\n<li>\n<p><strong>\u0639\u062f\u0645 \u062a\u0648\u0627\u0641\u0642 \u0627\u0644\u0645\u062e\u0641\u062a<\/strong><\/p>\n<ul>\n<li>\u0639\u062f\u0645 \u062a\u0637\u0627\u0628\u0642 TRIAC<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u062a\u064a\u0627\u0631 \u0627\u0644\u062a\u0645\u0648\u062c \u0641\u064a \u0627\u0644\u0633\u0627\u0626\u0642<\/strong><\/p>\n<ul>\n<li>\u062a\u0631\u0634\u064a\u062d \u063a\u064a\u0631 \u0643\u0627\u0641\u064d<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u0639\u062f\u0645 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0627\u0644\u062c\u0647\u062f<\/strong><\/p>\n<ul>\n<li>\u0634\u0627\u0626\u0639 \u0641\u064a \u0627\u0644\u0645\u0628\u0627\u0646\u064a \u0627\u0644\u0643\u0628\u064a\u0631\u0629<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u0639\u062f\u0645 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0627\u0644\u062a\u0639\u062a\u064a\u0645 \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0645\u0633\u062a\u0648\u0649<\/strong><\/p>\n<ul>\n<li>\u0623\u0642\u0644 \u0645\u0646 20\u201330% \u0633\u0637\u0648\u0639<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<hr \/>\n<h2>\u0643\u064a\u0641\u064a\u0629 \u0625\u0635\u0644\u0627\u062d \u0648\u0645\u064a\u0636 LED \u0648\u0645\u0634\u0627\u0643\u0644 \u0627\u0644\u0648\u0647\u062c<\/h2>\n<h3>1. \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0633\u0627\u0626\u0642<\/h3>\n<ul>\n<li>\u0627\u0633\u062a\u062e\u062f\u0645 \u0633\u0627\u0626\u0642\u064a\u064a\u0646 \u0628\u062a\u064a\u0627\u0631 \u062b\u0627\u0628\u062a<\/li>\n<li>\u062a\u064a\u0627\u0631 \u0627\u0644\u062a\u0645\u0648\u062c <strong>&lt;5% \u0645\u0648\u0635\u0649 \u0628\u0647<\/strong><\/li>\n<li>Use capacitors rated <strong>\u2265105\u00b0C<\/strong> for stability<\/li>\n<\/ul>\n<hr \/>\n<h3>2. Dimming System Matching<\/h3>\n<ul>\n<li>Verify minimum load of dimmer<\/li>\n<li>Prefer trailing-edge dimmers for LED systems<\/li>\n<\/ul>\n<hr \/>\n<h3>3. Increase PWM Frequency<\/h3>\n<ul>\n<li>Recommended: <strong>&gt;20 kHz<\/strong><\/li>\n<li>Eliminates visible flicker<\/li>\n<\/ul>\n<hr \/>\n<h3>4. System-Level Validation<\/h3>\n<ul>\n<li>Verify <strong>Pst LM &lt; 1.0<\/strong><\/li>\n<li>Check voltage fluctuation behavior<\/li>\n<\/ul>\n<hr \/>\n<h3>5. Specify Compliance Metrics<\/h3>\n<ul>\n<li>PF &lt; 10%<\/li>\n<li>FI &lt; 0.08<\/li>\n<li>SVM \u2264 0.4<\/li>\n<\/ul>\n<p>Many flicker issues originate from incompatible dimming systems.<\/p>\n<p>You can learn more in our guide on <a href=\"https:\/\/tecolite.com\/ar\/led-dimmer-common-mistakes\/\" title=\"LED dimmer compatibility and common mistakes\">LED dimmer compatibility and common mistakes<\/a><\/p>\n<hr \/>\n<h2>LED Flicker Troubleshooting Checklist<\/h2>\n<ul>\n<li>Check dimmer compatibility (TRIAC vs LED driver)<\/li>\n<li>Verify driver ripple current (&lt;5%)<\/li>\n<li>Measure Pst LM (&lt;1.0)<\/li>\n<li>Confirm SVM value (\u22640.4 for EU compliance)<\/li>\n<li>\n<p>Test across full dimming range (10\u2013100%)<\/p>\n<p>This checklist helps reduce commissioning issues and field failures.<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<h2>Risks in Industrial and Commercial Environments<\/h2>\n<p>In environments with motion:<\/p>\n<ul>\n<li>flicker \u2192 fatigue and discomfort<\/li>\n<li>stroboscopic effect \u2192 safety hazards<\/li>\n<\/ul>\n<p>According to World Health Organization, low-frequency flicker may contribute to headaches and visual strain.<\/p>\n<hr \/>\n<h3>Example Risk Scenario<\/h3>\n<ul>\n<li>10 Hz modulation<\/li>\n<li>\n<p>600 RPM machinery<\/p>\n<p>Can appear stationary \u2192 serious safety risk<\/p>\n<\/li>\n<\/ul>\n<p>Referenced in EU Machinery Directive 2006\/42\/EC<\/p>\n<hr \/>\n<h2>Testing Methods and Standards<\/h2>\n<p>Key standards include:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.led-professional.com\/resources-1\/articles\/flicker-standards-and-test-methods?utm_source=chatgpt.com\" title=\"IEEE 1789\">IEEE 1789<\/a>-2015<\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Flicker_%28light%29?utm_source=chatgpt.com\" title=\"IEC 61000\">IEC 61000<\/a>-3-3<\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Stroboscopic_effect?utm_source=chatgpt.com\" title=\"IEC TR 63158\">IEC TR 63158<\/a><br \/>\n*<a href=\"https:\/\/cie.co.at\/publications\/introduction-application-international-standard-cie-s-025e2015-test-method-led\" title=\" CIE TN 006:2016\"> CIE TN 006:2016<\/a><\/li>\n<\/ul>\n<hr \/>\n<h3>Typical Testing Methods<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/tecolite.com\/wp-content\/uploads\/2026\/03\/incandescent-bulb-flicker-analysis.webp\" alt=\"A glowing incandescent light bulb on a desk next to a computer monitor displaying graphs of light flicker metrics and indices for performance evaluation.\" \/><\/p>\n<p><em>Illuminated incandescent bulb setup with an adjacent screen showing waveform graphs used to analyze light flicker index and related performance metrics in a laboratory environment.<\/em><\/p>\n<ul>\n<li>Oscilloscope waveform analysis<\/li>\n<li>FFT frequency analysis<\/li>\n<li>High-speed camera motion testing<\/li>\n<\/ul>\n<hr \/>\n<h2>Why It Matters in Retail and Hospitality<\/h2>\n<p>In commercial spaces:<\/p>\n<ul>\n<li>flicker \u2192 reduces visual comfort<\/li>\n<li>stroboscopic \u2192 disrupts perception<\/li>\n<\/ul>\n<p>According to Illuminating Engineering Society (see <a href=\"https:\/\/ies.org\/\" title=\"IES RP-29-16\">IES RP-29-16<\/a>):<\/p>\n<p>lighting quality directly affects customer experience and dwell time<\/p>\n<hr \/>\n<h2>Cost Consideration in Commercial Projects<\/h2>\n<p>Flicker-free drivers may increase upfront cost by approximately <strong>5\u201310%<\/strong>, but can significantly reduce:<\/p>\n<ul>\n<li>maintenance frequency<\/li>\n<li>replacement costs<\/li>\n<li>customer complaints<\/li>\n<\/ul>\n<hr \/>\n<h2>Quick Answers for Specifiers<\/h2>\n<p><strong>Q: What is the difference between flicker and stroboscopic effect?<\/strong><br \/>\nA: Flicker is brightness variation; stroboscopic effect is motion illusion.<\/p>\n<hr \/>\n<p><strong>Q: What is the key EU requirement?<\/strong><br \/>\nA: <strong>SVM \u2264 0.4 (ErP regulation)<\/strong><\/p>\n<hr \/>\n<p><strong>Q: What is acceptable flicker level?<\/strong><br \/>\nA:<\/p>\n<ul>\n<li>PF &lt; 10%<\/li>\n<li>FI &lt; 0.08<\/li>\n<li>Pst LM &lt; 1.0<\/li>\n<\/ul>\n<hr \/>\n<p><strong>Q: How to verify supplier claims?<\/strong><br \/>\nA:<\/p>\n<ul>\n<li>Request third-party reports (UL \/ ETL)<\/li>\n<li>Verify PF \/ SVM \/ Pst LM data<\/li>\n<\/ul>\n<hr \/>\n<h2>Conclusion: Engineering Value<\/h2>\n<p>Flicker and stroboscopic effects directly impact:<\/p>\n<ul>\n<li>safety<\/li>\n<li>comfort<\/li>\n<li>system reliability<\/li>\n<\/ul>\n<p>A properly specified system ensures:<\/p>\n<ul>\n<li>compliance<\/li>\n<li>stable performance<\/li>\n<li>reduced lifecycle cost<\/li>\n<\/ul>\n<hr \/>\n<h2>\u062a\u0648\u0635\u064a\u0629 \u0647\u0646\u062f\u0633\u064a\u0629 \u0628\u064a\u0646 \u0627\u0644\u0634\u0631\u0643\u0627\u062a<\/h2>\n<p>For commercial lighting projects:<\/p>\n<ul>\n<li>verify PF \/ FI \/ SVM \/ Pst LM<\/li>\n<li>ensure driver-dimmer compatibility<\/li>\n<li>validate system performance before installation<\/li>\n<\/ul>\n<p>Early validation helps avoid:<\/p>\n<ul>\n<li>commissioning delays<\/li>\n<li>warranty claims<\/li>\n<li>rework costs<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Introduction: Why LED Flicker Is a Real Project Risk LED flicker is one of the most common issues in commercial lighting projects. It can lead to: visible light instability camera interference in retail environments discomfort in offices and hospitality spaces safety risks in environments with moving machinery In many cases, what appears as flicker is [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":45576,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"LED Flicker vs Stroboscopic Effect: SVM & Pst LM Guide","_seopress_titles_desc":"Learn LED flicker vs stroboscopic effect, including SVM, Pst LM, causes, and how to fix flicker issues for stable commercial lighting systems.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"none","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"both","_seopress_redirections_param":"","_seopress_redirections_type":301,"_seopress_analysis_target_kw":"flicker","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[{"url":"","title":"","desc":"","thumbnail":"","duration":"","rating":"","view_count":"","tag":""}],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"footnotes":""},"categories":[12],"tags":[],"class_list":["post-44373","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/tecolite.com\/ar\/wp-json\/wp\/v2\/posts\/44373","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tecolite.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tecolite.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tecolite.com\/ar\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/tecolite.com\/ar\/wp-json\/wp\/v2\/comments?post=44373"}],"version-history":[{"count":0,"href":"https:\/\/tecolite.com\/ar\/wp-json\/wp\/v2\/posts\/44373\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tecolite.com\/ar\/wp-json\/wp\/v2\/media\/45576"}],"wp:attachment":[{"href":"https:\/\/tecolite.com\/ar\/wp-json\/wp\/v2\/media?parent=44373"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tecolite.com\/ar\/wp-json\/wp\/v2\/categories?post=44373"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tecolite.com\/ar\/wp-json\/wp\/v2\/tags?post=44373"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}