{"id":44320,"date":"2026-02-27T07:15:11","date_gmt":"2026-02-26T23:15:11","guid":{"rendered":"https:\/\/tecolite.com\/?p=44320"},"modified":"2026-03-16T06:29:08","modified_gmt":"2026-03-15T22:29:08","slug":"%d8%aa%d8%b1%d8%af%d8%af-pwm-%d9%88%d9%85%d9%8a%d8%b6-led","status":"publish","type":"post","link":"https:\/\/tecolite.com\/ar\/pwm-frequency-led-flicker\/","title":{"rendered":"\u062a\u0631\u062f\u062f \u062a\u062e\u0641\u064a\u0641 \u062a\u0639\u062f\u064a\u0644 \u0639\u0631\u0636 \u0627\u0644\u0646\u0628\u0636\u0629 \u0641\u064a \u0625\u0636\u0627\u0621\u0629 LED: \u0627\u0644\u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u0647\u0646\u062f\u0633\u064a \u0639\u0644\u0649 \u0627\u0644\u0648\u0645\u064a\u0636 \u0648\u0627\u0644\u0631\u0627\u062d\u0629 \u0627\u0644\u0628\u0635\u0631\u064a\u0629"},"content":{"rendered":"<h2>\u0645\u0642\u062f\u0645\u0629<\/h2>\n<p>\u201c\u0645\u0627 \u0647\u0648 \u062a\u0631\u062f\u062f PWM \u0627\u0644\u062e\u0627\u0644\u064a \u0645\u0646 \u0627\u0644\u0648\u0645\u064a\u0636\u061f\u201d \u0647\u0648 \u0623\u062d\u062f \u0623\u0643\u062b\u0631 \u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u062a\u0642\u0646\u064a\u0629 \u0634\u064a\u0648\u0639\u064b\u0627 \u0641\u064a \u0645\u0648\u0627\u0635\u0641\u0627\u062a LED. \u0641\u064a \u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629\u2014\u0627\u0644\u0636\u064a\u0627\u0641\u0629\u060c \u0627\u0644\u0645\u0643\u0627\u062a\u0628\u060c \u0627\u0644\u0628\u064a\u0639 \u0628\u0627\u0644\u062a\u062c\u0632\u0626\u0629\u060c \u0627\u0644\u0631\u0639\u0627\u064a\u0629 \u0627\u0644\u0635\u062d\u064a\u0629\u2014<strong>\u062a\u0631\u062f\u062f \u062a\u062e\u0641\u064a\u0641 \u062a\u0639\u062f\u064a\u0644 \u0639\u0631\u0636 \u0627\u0644\u0646\u0628\u0636\u0629<\/strong> \u064a\u0624\u062b\u0631 \u0645\u0628\u0627\u0634\u0631\u0629 \u0639\u0644\u0649 <strong>\u0648\u0645\u064a\u0636 LED<\/strong>, <strong>\u0627\u0644\u0631\u0624\u064a\u0629 \u0627\u0644\u0648\u0645\u0636\u064a\u0629<\/strong>, \u060c \u0648\u0627\u0644\u0631\u0627\u062d\u0629 \u0627\u0644\u0628\u0635\u0631\u064a\u0629 \u0637\u0648\u064a\u0644\u0629 \u0627\u0644\u0645\u062f\u0649.<\/p>\n<p>\u062a\u0642\u062f\u0645 \u0647\u0630\u0647 \u0627\u0644\u0645\u0642\u0627\u0644\u0629 \u0634\u0631\u062d\u064b\u0627 \u062f\u0642\u064a\u0642\u064b\u0627 \u0645\u0646 \u0627\u0644\u0646\u0627\u062d\u064a\u0629 \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629 \u0644\u0645\u0627 \u064a\u0644\u064a:<\/p>\n<ul>\n<li>\u0643\u064a\u0641 <strong>\u062a\u0631\u062f\u062f \u062a\u062e\u0641\u064a\u0641 \u062a\u0639\u062f\u064a\u0644 \u0639\u0631\u0636 \u0627\u0644\u0646\u0628\u0636\u0629<\/strong> \u064a\u0639\u0645\u0644 \u0641\u064a \u0645\u0634\u063a\u0644\u0627\u062a LED<\/li>\n<li>\u0639\u0646\u062f \u0623\u064a \u062a\u0631\u062f\u062f \u064a\u0635\u0628\u062d \u0648\u0645\u064a\u0636 LED \u063a\u064a\u0631 \u0645\u062d\u0633\u0648\u0633<\/li>\n<li>\u0643\u064a\u0641 <strong>\u0646\u0633\u0628\u0629 \u0627\u0644\u0648\u0645\u064a\u0636<\/strong> \u0648 <strong>\u0639\u0645\u0642 \u0627\u0644\u062a\u0636\u0645\u064a\u0646<\/strong> \u064a\u062a\u0645 \u062d\u0633\u0627\u0628\u0647\u0627<\/li>\n<li>\u0645\u0627\u0630\u0627 <strong>IEEE Std 1789-2015<\/strong> \u064a\u0648\u0635\u064a \u0641\u0639\u0644\u064a\u064b\u0627<\/li>\n<li>\u0643\u064a\u0641\u064a\u0629 \u062a\u0642\u064a\u064a\u0645 \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0633\u0627\u0626\u0642 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u0634\u0631\u0627\u0621<\/li>\n<\/ul>\n<p>\u062c\u0645\u064a\u0639 \u0627\u0644\u0645\u0631\u0627\u062c\u0639 \u0627\u0644\u062a\u0642\u0646\u064a\u0629 \u0645\u0623\u062e\u0648\u0630\u0629 \u0645\u0646 \u0645\u0635\u0627\u062f\u0631 \u0645\u0648\u062b\u0648\u0642\u0629 \u062a\u0634\u0645\u0644 <strong>\u0645\u0639\u0647\u062f \u0645\u0647\u0646\u062f\u0633\u064a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0621 \u0648\u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a (IEEE)<\/strong>, \u060c \u0641\u0625\u0646 <strong>\u062c\u0645\u0639\u064a\u0629 \u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0625\u0636\u0627\u0621\u0629 (IES)<\/strong>, \u060c \u0641\u0625\u0646 <strong>\u0627\u0644\u0644\u062c\u0646\u0629 \u0627\u0644\u062f\u0648\u0644\u064a\u0629 \u0644\u0644\u0625\u0636\u0627\u0621\u0629 (CIE)<\/strong>, \u060c \u0648 <strong>\u0648\u0632\u0627\u0631\u0629 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0623\u0645\u0631\u064a\u0643\u064a\u0629 (DOE)<\/strong>.<\/p>\n<hr \/>\n<h2>\u0645\u0627 \u0647\u0648 \u062a\u0631\u062f\u062f \u062a\u0636\u0645\u064a\u0646 \u0639\u0631\u0636 \u0627\u0644\u0646\u0628\u0636\u0629 (PWM) \u0641\u064a \u0645\u0634\u063a\u0644\u0627\u062a LED\u061f<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/tecolite.com\/wp-content\/uploads\/2026\/03\/rigol-oscilloscope-waveform-display.webp\" alt=\"\u0634\u0627\u0634\u0629 \u0631\u0627\u0633\u0645 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0645\u0646 \u0646\u0648\u0639 Rigol \u062a\u0638\u0647\u0631 \u0625\u0634\u0627\u0631\u0627\u062a \u0645\u0648\u062c\u0628\u0629 \u0645\u0631\u0628\u0639\u0629 \u0639\u0644\u0649 \u0642\u0646\u0627\u062a\u064a\u0646 \u0628\u062a\u062a\u0628\u0639\u064a\u0646 \u0623\u0635\u0641\u0631 \u0648\u0623\u062e\u0636\u0631\u060c \u0627\u0644\u062a\u0631\u062f\u062f 23.58 \u0643\u064a\u0644\u0648\u0647\u0631\u062a\u0632 \u0648\u0627\u0644\u062f\u0648\u0631\u0629 42.4 \u0645\u064a\u0643\u0631\u0648\u062b\u0627\u0646\u064a\u0629.\" \/><\/p>\n<p><strong>\u062a\u0639\u062f\u064a\u0644 \u0639\u0631\u0636 \u0627\u0644\u0646\u0628\u0636\u0629 (PWM)<\/strong> \u064a\u062a\u062d\u0643\u0645 \u0641\u064a \u0633\u0637\u0648\u0639 LED \u0639\u0646 \u0637\u0631\u064a\u0642 \u062a\u0634\u063a\u064a\u0644 \u062a\u064a\u0627\u0631 LED \u0648\u0625\u064a\u0642\u0627\u0641\u0647 \u0628\u0627\u0644\u0643\u0627\u0645\u0644 \u0628\u062a\u0631\u062f\u062f \u062b\u0627\u0628\u062a \u0645\u0639 \u0636\u0628\u0637 \u062f\u0648\u0631\u0629 \u0627\u0644\u0639\u0645\u0644. \u062a\u062f\u0645\u062c \u0627\u0644\u0639\u064a\u0646 \u0627\u0644\u0628\u0634\u0631\u064a\u0629 \u0627\u0644\u0646\u0628\u0636\u0627\u062a \u0648\u062a\u062f\u0631\u0643 \u0645\u062a\u0648\u0633\u0637 \u0627\u0644\u0633\u0637\u0648\u0639.<\/p>\n<p>\u064a\u062d\u062f\u062f \u0645\u062a\u063a\u064a\u0631\u0627\u0646 \u0623\u062f\u0627\u0621 \u062a\u0636\u0645\u064a\u0646 PWM:<\/p>\n<ul>\n<li><strong>\u0627\u0644\u062a\u0631\u062f\u062f (\u0647\u0631\u062a\u0632)<\/strong> \u2013 \u0639\u062f\u062f \u062f\u0648\u0631\u0627\u062a \u0627\u0644\u062a\u0634\u063a\u064a\u0644\/\u0627\u0644\u0625\u064a\u0642\u0627\u0641 \u0641\u064a \u0627\u0644\u062b\u0627\u0646\u064a\u0629<\/li>\n<li><strong>\u062f\u0648\u0631\u0629 \u0627\u0644\u0639\u0645\u0644 (%)<\/strong> \u2013 \u0646\u0633\u0628\u0629 \u0627\u0644\u0648\u0642\u062a \u0627\u0644\u0630\u064a \u064a\u0643\u0648\u0646 \u0641\u064a\u0647 \u0627\u0644\u062a\u064a\u0627\u0631 \u0642\u064a\u062f \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/li>\n<\/ul>\n<p>\u0623\u0639\u0644\u0649 <strong>\u062a\u0631\u062f\u062f \u062a\u062e\u0641\u064a\u0641 \u062a\u0639\u062f\u064a\u0644 \u0639\u0631\u0636 \u0627\u0644\u0646\u0628\u0636\u0629<\/strong> \u064a\u0642\u0644\u0644 \u0628\u0634\u0643\u0644 \u0639\u0627\u0645 \u0645\u0646 \u0648\u0645\u064a\u0636 LED \u0627\u0644\u0645\u0631\u0626\u064a \u0644\u0623\u0646 \u0646\u0628\u0636\u0627\u062a \u0627\u0644\u0636\u0648\u0621 \u062a\u062d\u062f\u062b \u0623\u0633\u0631\u0639 \u0645\u0645\u0627 \u062a\u0633\u062a\u0637\u064a\u0639 \u0627\u0644\u0639\u064a\u0646 \u062a\u0645\u064a\u064a\u0632\u0647.<\/p>\n<p>\u0639\u0644\u0649 \u0639\u0643\u0633 \u0627\u0644\u062a\u0636\u0645\u064a\u0646 \u0627\u0644\u062a\u0646\u0627\u0638\u0631\u064a (CCR)\u060c \u064a\u062d\u0627\u0641\u0638 PWM \u0639\u0644\u0649 LED \u0639\u0646\u062f \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0642\u0646\u0646 \u0627\u0644\u0643\u0627\u0645\u0644 \u062e\u0644\u0627\u0644 \u0645\u0631\u062d\u0644\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u060c \u0645\u0645\u0627 \u064a\u062d\u0627\u0641\u0638 \u0639\u0644\u0649 \u0627\u0644\u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0627\u0644\u0644\u0648\u0646\u064a \u0648\u0627\u0644\u0643\u0641\u0627\u0621\u0629. \u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u0625\u0630\u0627 \u0643\u0627\u0646 <strong>\u062a\u0631\u062f\u062f PWM<\/strong> \u0645\u0646\u062e\u0641\u0636\u064b\u0627 \u062c\u062f\u064b\u0627\u060c \u064a\u0635\u0628\u062d \u062a\u0639\u062f\u064a\u0644 \u0627\u0644\u0636\u0648\u0621 \u0627\u0644\u0632\u0645\u0646\u064a \u0645\u0644\u062d\u0648\u0638\u064b\u0627.<\/p>\n<hr \/>\n<h2>\u0643\u064a\u0641 \u064a\u062a\u0645 \u0642\u064a\u0627\u0633 \u0648\u0645\u064a\u0636 LED\u061f<\/h2>\n<p>\u0648\u0645\u064a\u0636 LED \u0644\u0627 \u064a\u064f\u062d\u062f\u062f \u0628\u0627\u0644\u062a\u0631\u062f\u062f \u0648\u062d\u062f\u0647. \u064a\u062a\u0645 \u0642\u064a\u0627\u0633\u0647 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0642\u0627\u064a\u064a\u0633 \u0627\u0644\u062a\u0639\u062f\u064a\u0644.<\/p>\n<h3>\u0646\u0633\u0628\u0629 \u0627\u0644\u0648\u0645\u064a\u0636 (\u0646\u0633\u0628\u0629 \u0627\u0644\u062a\u0636\u0645\u064a\u0646)<\/h3>\n<p>\u0646\u0633\u0628\u0629 \u0627\u0644\u0648\u0645\u064a\u0636 = (Lmax \u2212 Lmin) \/ (Lmax + Lmin) \u00d7 100%<\/p>\n<ul>\n<li><strong>Lmax<\/strong> = \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0644\u0625\u062e\u0631\u0627\u062c \u0627\u0644\u0636\u0648\u0621<\/li>\n<li><strong>Lmin<\/strong> = \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0644\u062e\u0631\u062c \u0627\u0644\u0636\u0648\u0621<\/li>\n<\/ul>\n<p>\u0639\u0646\u062f \u062a\u0639\u062f\u064a\u0644 100% (\u0646\u0645\u0648\u0630\u062c\u064a \u0644\u0640 PWM \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u062a\u0631\u062f\u062f)\u060c \u064a\u0646\u062e\u0641\u0636 \u0625\u062e\u0631\u0627\u062c \u0627\u0644\u0636\u0648\u0621 \u0625\u0644\u0649 \u0627\u0644\u0635\u0641\u0631 \u0641\u064a \u0643\u0644 \u062f\u0648\u0631\u0629.<\/p>\n<p>\u062a\u064f\u0633\u062a\u062e\u062f\u0645 \u0646\u0633\u0628\u0629 \u0627\u0644\u0648\u0645\u064a\u0636 \u0628\u0634\u0643\u0644 \u0634\u0627\u0626\u0639 \u0641\u064a \u0645\u0645\u0627\u0631\u0633\u0627\u062a \u0627\u0644\u0625\u0636\u0627\u0621\u0629 \u0628\u0623\u0645\u0631\u064a\u0643\u0627 \u0627\u0644\u0634\u0645\u0627\u0644\u064a\u0629 \u0648\u064a\u062a\u0645 \u0627\u0644\u0631\u062c\u0648\u0639 \u0625\u0644\u064a\u0647\u0627 \u0641\u064a \u0627\u0644\u0645\u0646\u0634\u0648\u0631\u0627\u062a \u0627\u0644\u062a\u0642\u0646\u064a\u0629 \u0644\u0648\u0632\u0627\u0631\u0629 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0623\u0645\u0631\u064a\u0643\u064a\u0629.<sup id=\"fnref1:1\"><a href=\"#fn:1\" class=\"footnote-ref\">1<\/a><\/sup><\/p>\n<hr \/>\n<h3>\u0645\u0624\u0634\u0631 \u0627\u0644\u0648\u0645\u064a\u0636<\/h3>\n<p>\u064a\u0642\u064a\u0633 \u0645\u0624\u0634\u0631 \u0627\u0644\u0648\u0645\u064a\u0636 (\u062d\u0633\u0628 \u062a\u0639\u0631\u064a\u0641 IES) \u0634\u0643\u0644 \u0627\u0644\u0645\u0648\u062c\u0629 \u0648\u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0648\u0627\u062c\u0628. \u064a\u0648\u0641\u0631 \u062a\u0648\u0635\u064a\u0641\u064b\u0627 \u0623\u0643\u062b\u0631 \u0627\u0643\u062a\u0645\u0627\u0644\u0627\u064b \u0645\u0646 \u0646\u0633\u0628\u0629 \u0627\u0644\u0648\u0645\u064a\u0636 \u0648\u062d\u062f\u0647\u0627.<sup id=\"fnref1:2\"><a href=\"#fn:2\" class=\"footnote-ref\">2<\/a><\/sup><\/p>\n<p>\u062a\u062d\u062f\u062f \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0648\u062d\u062f\u0627\u062a \u062a\u0634\u063a\u064a\u0644 LED \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629 \u0646\u0633\u0628\u0629 \u0627\u0644\u0648\u0645\u064a\u0636 \u0644\u0643\u0646\u0647\u0627 \u062a\u062d\u0630\u0641 \u0645\u0624\u0634\u0631 \u0627\u0644\u0648\u0645\u064a\u0636\u060c \u0648\u0647\u0648 \u0625\u0634\u0627\u0631\u0629 \u062a\u062d\u0630\u064a\u0631 \u0641\u064a \u0645\u0631\u0627\u062c\u0639\u0627\u062a \u0627\u0644\u0645\u0634\u062a\u0631\u064a\u0627\u062a.<\/p>\n<hr \/>\n<h3>\u062a\u0639\u062f\u064a\u0644 \u0627\u0644\u0636\u0648\u0621 \u0627\u0644\u0632\u0645\u0646\u064a (TLM)<\/h3>\n<p>\u0627\u0644 <strong>CIE TN 006:2016<\/strong> \u064a\u0642\u062f\u0645 \u0645\u0635\u0637\u0644\u062d\u0627\u062a \u0623\u0648\u0633\u0639 \u0644\u062a\u0639\u062f\u064a\u0644 \u0627\u0644\u0636\u0648\u0621 \u0627\u0644\u0632\u0645\u0646\u064a\u060c \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643:<\/p>\n<ul>\n<li>\u0646\u0633\u0628\u0629 \u0627\u0644\u0648\u0645\u064a\u0636<\/li>\n<li>\u0645\u0624\u0634\u0631 \u0627\u0644\u0648\u0645\u064a\u0636<\/li>\n<li>\u0645\u0642\u064a\u0627\u0633 \u0648\u0636\u0648\u062d \u0627\u0644\u0648\u0647\u062c (SVM)<\/li>\n<\/ul>\n<p>\u0647\u0630\u0647 \u0627\u0644\u0645\u0642\u0627\u064a\u064a\u0633 \u0630\u0627\u062a \u0623\u0647\u0645\u064a\u0629 \u062e\u0627\u0635\u0629 \u0641\u064a \u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0627\u0644\u063a\u0646\u064a\u0629 \u0628\u0627\u0644\u062d\u0631\u0643\u0629 \u0645\u062b\u0644 \u0645\u0633\u0627\u062d\u0627\u062a \u0627\u0644\u0628\u064a\u0639 \u0628\u0627\u0644\u062a\u062c\u0632\u0626\u0629 \u0648\u0627\u0644\u0646\u0642\u0644.<sup id=\"fnref1:3\"><a href=\"#fn:3\" class=\"footnote-ref\">3<\/a><\/sup><\/p>\n<hr \/>\n<h2>\u0639\u0646\u062f \u0623\u064a \u062a\u0631\u062f\u062f PWM \u064a\u0635\u0628\u062d \u0627\u0644\u0648\u0645\u064a\u0636 \u063a\u064a\u0631 \u0645\u0631\u0626\u064a\u061f<\/h2>\n<p>\u062a\u0639\u062a\u0645\u062f \u062d\u0633\u0627\u0633\u064a\u0629 \u0627\u0644\u0625\u0646\u0633\u0627\u0646 \u0644\u0644\u0648\u0645\u064a\u0636 \u0639\u0644\u0649:<\/p>\n<ul>\n<li>\u0627\u0644\u062a\u0631\u062f\u062f<\/li>\n<li>\u0639\u0645\u0642 \u0627\u0644\u062a\u0639\u062f\u064a\u0644<\/li>\n<li>\u0638\u0631\u0648\u0641 \u0627\u0644\u0645\u0634\u0627\u0647\u062f\u0629<\/li>\n<li>\u0627\u0644\u0631\u0624\u064a\u0629 \u0627\u0644\u0645\u062d\u064a\u0637\u064a\u0629<\/li>\n<\/ul>\n<p>\u0627\u0644 <strong>\u0627\u0644\u0627\u0646\u062f\u0645\u0627\u062c \u0627\u0644\u062d\u0631\u062c \u0644\u0644\u0648\u0645\u064a\u0636 (CFF)<\/strong> \u0639\u0627\u062f\u0629 \u0645\u0627 \u064a\u0643\u0648\u0646 \u0627\u0644\u062d\u062f \u0641\u0648\u0642 60\u201390 \u0647\u0631\u062a\u0632 \u0641\u064a \u0638\u0631\u0648\u0641 \u0627\u0644\u0625\u0636\u0627\u0621\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629\u060c \u0644\u0643\u0646 \u0647\u0630\u0627 \u0644\u0627 \u064a\u0636\u0645\u0646 \u0639\u062f\u0645 \u0648\u062c\u0648\u062f \u062a\u0623\u062b\u064a\u0631\u0627\u062a \u0648\u0645\u064a\u0636\u064a\u0629.<\/p>\n<p>\u064a\u0634\u064a\u0631 \u0627\u0644\u0628\u062d\u062b \u0627\u0644\u0630\u064a \u0644\u062e\u0635\u0647 IEEE \u0625\u0644\u0649 \u0623\u0646 \u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u062e\u0637\u0631 \u062a\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u0627\u0644\u062a\u0631\u062f\u062f \u0648\u0627\u0644\u062a\u0639\u062f\u064a\u0644 - \u0648\u0644\u064a\u0633\u062a \u0645\u0637\u0644\u0642\u0629.<sup id=\"fnref1:4\"><a href=\"#fn:4\" class=\"footnote-ref\">4<\/a><\/sup><\/p>\n<hr \/>\n<h2>\u0645\u0627\u0630\u0627 \u064a\u0648\u0635\u064a \u0645\u0639\u064a\u0627\u0631 IEEE 1789-2015 \u0641\u0639\u0644\u064a\u064b\u0627\u061f<\/h2>\n<p>\u0627\u0644 <strong>IEEE Std 1789-2015<\/strong> \u064a\u0642\u062f\u0645 \u0625\u0631\u0634\u0627\u062f\u0627\u062a \u0644\u062a\u0639\u062f\u064a\u0644 \u0627\u0644\u062a\u064a\u0627\u0631 \u0641\u064a \u0645\u0635\u0627\u0628\u064a\u062d LED \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0637\u0648\u0639.<\/p>\n<p>\u064a\u062d\u062f\u062f \u0645\u0646\u0637\u0642\u062a\u064a\u0646 \u0645\u0647\u0645\u062a\u064a\u0646:<\/p>\n<ul>\n<li><strong>\u0645\u0633\u062a\u0648\u0649 \u0639\u062f\u0645 \u0627\u0644\u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u0645\u0644\u062d\u0648\u0638 (NOEL)<\/strong><\/li>\n<li><strong>\u0645\u0633\u062a\u0648\u0649 \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0645\u062e\u0627\u0637\u0631<\/strong><\/li>\n<\/ul>\n<p>\u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u0642\u0648\u0644 \u201c3 \u0643\u064a\u0644\u0648\u0647\u0631\u062a\u0632 \u0622\u0645\u0646\u0629\u201d\u060c \u062a\u0642\u062f\u0645 IEEE \u062d\u062f\u0648\u062f\u064b\u0627 \u062a\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u0627\u0644\u062a\u0639\u062f\u064a\u0644.<\/p>\n<p>\u064a\u0645\u0643\u0646 \u0627\u0644\u062a\u0639\u0628\u064a\u0631 \u0639\u0646 \u062d\u0627\u0644\u0629 \u0627\u0644\u0645\u062e\u0627\u0637\u0631\u0629 \u0627\u0644\u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u0645\u0628\u0633\u0637\u0629 \u0639\u0644\u0649 \u0627\u0644\u0646\u062d\u0648 \u0627\u0644\u062a\u0627\u0644\u064a:<\/p>\n<p>\u062d\u064a\u062b:<\/p>\n<ul>\n<li><strong>f<\/strong> = \u0627\u0644\u062a\u0631\u062f\u062f \u0628\u0627\u0644\u0647\u0631\u062a\u0632<\/li>\n<li><strong>\u0646\u0633\u0628\u0629 \u0627\u0644\u062a\u0639\u062f\u064a\u0644<\/strong> = \u0639\u0645\u0642 \u0627\u0644\u062a\u0639\u062f\u064a\u0644<\/li>\n<\/ul>\n<p>\u0644\u062a\u0639\u062f\u064a\u0644 100% (\u0643\u0645\u0627 \u0641\u064a PWM \u0627\u0644\u0643\u0627\u0645\u0644)\u060c \u0647\u0630\u0627 \u064a\u0639\u0646\u064a:<\/p>\n<blockquote>\n<p>f &gt; 8 \u0647\u0631\u062a\u0632 (\u062d\u062f \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0645\u062e\u0627\u0637\u0631)<\/p>\n<\/blockquote>\n<p>\u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u064a\u0644\u0627\u062d\u0638 \u0645\u0639\u0647\u062f IEEE \u0623\u064a\u0636\u064b\u0627 \u0623\u0646 \u0627\u0644\u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0623\u0639\u0644\u0649 \u062a\u0642\u0644\u0644 \u0628\u0634\u0643\u0644 \u0643\u0628\u064a\u0631 \u0645\u0646 \u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u0648\u0647\u062c\u060c \u062e\u0627\u0635\u0629 \u0641\u064a \u0627\u0644\u0645\u0647\u0627\u0645 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062d\u0631\u0643\u0629.<\/p>\n<h3>\u0627\u0644\u062a\u0641\u0633\u064a\u0631 \u0627\u0644\u0647\u0646\u062f\u0633\u064a \u0627\u0644\u0639\u0645\u0644\u064a<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u062a\u0631\u062f\u062f \u062a\u0639\u062f\u064a\u0644 \u0639\u0631\u0636 \u0627\u0644\u0646\u0628\u0636\u0629 (PWM)<\/th>\n<th>\u0627\u0644\u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u0625\u062f\u0631\u0627\u0643\u064a\u0629<\/th>\n<th>\u0627\u0644\u0645\u0644\u0627\u0621\u0645\u0629 \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>&lt;100 \u0647\u0631\u062a\u0632<\/td>\n<td>\u0648\u0645\u064a\u0636 \u0645\u0631\u0626\u064a<\/td>\n<td>\u063a\u064a\u0631 \u0645\u0642\u0628\u0648\u0644<\/td>\n<\/tr>\n<tr>\n<td>100\u2013500 \u0647\u0631\u062a\u0632<\/td>\n<td>\u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u0648\u0647\u062c \u0627\u0644\u0645\u062d\u062a\u0645\u0644<\/td>\n<td>\u0627\u0644\u0645\u062e\u0627\u0637\u0631 \u0641\u064a \u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u062d\u0631\u0643\u0629<\/td>\n<\/tr>\n<tr>\n<td>500 \u0647\u0631\u062a\u0632\u20132 \u0643\u064a\u0644\u0648\u0647\u0631\u062a\u0632<\/td>\n<td>\u0648\u0645\u064a\u0636 \u0645\u0631\u0626\u064a \u0645\u0646\u062e\u0641\u0636<\/td>\n<td>\u0645\u0642\u0628\u0648\u0644 \u0641\u064a \u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0639\u0627\u0645<\/td>\n<\/tr>\n<tr>\n<td>&gt;3 \u0643\u064a\u0644\u0648\u0647\u0631\u062a\u0632<\/td>\n<td>\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0645\u0646 \u0627\u0644\u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u0645\u0644\u062d\u0648\u0638\u0629<\/td>\n<td>\u0645\u0641\u0636\u0644 \u0644\u0644\u062a\u0639\u062a\u064a\u0645 \u0627\u0644\u062a\u062c\u0627\u0631\u064a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u062a\u0639\u0645\u0644 \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0645\u062d\u0631\u0643\u0627\u062a LED \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062c\u0648\u062f\u0629 \u0628\u064a\u0646 <strong>2\u201320 \u0643\u064a\u0644\u0648\u0647\u0631\u062a\u0632<\/strong>.<\/p>\n<hr \/>\n<h2>\u062a\u0639\u062f\u064a\u0644 \u0639\u0631\u0636 \u0627\u0644\u0646\u0628\u0636\u0629 (PWM) \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u062a\u0631\u062f\u062f \u0645\u0642\u0627\u0628\u0644 \u0639\u0627\u0644\u064a \u0627\u0644\u062a\u0631\u062f\u062f \u0641\u064a \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u062d\u0642\u064a\u0642\u064a\u0629<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/tecolite.com\/wp-content\/uploads\/2026\/02\/low-vs-high-pwm-frequency.webp\" alt=\"\u0635\u0648\u0631\u0629 \u0645\u0642\u0633\u0645\u0629 \u062a\u0638\u0647\u0631 \u062a\u0628\u0627\u064a\u0646 \u0625\u0636\u0627\u0621\u0629 \u062a\u0639\u062f\u064a\u0644 \u0639\u0631\u0636 \u0627\u0644\u0646\u0628\u0636\u0629 \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u062a\u0631\u062f\u062f \u0641\u064a \u0645\u0633\u062a\u0648\u062f\u0639 \u0636\u0628\u0627\u0628\u064a \u0645\u0639 \u0639\u0627\u0645\u0644 \u064a\u0631\u062a\u062f\u064a \u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0645\u0642\u0627\u0628\u0644 \u062a\u0639\u062f\u064a\u0644 \u0639\u0631\u0636 \u0627\u0644\u0646\u0628\u0636\u0629 \u0639\u0627\u0644\u064a \u0627\u0644\u062a\u0631\u062f\u062f \u0641\u064a \u0645\u0643\u062a\u0628 \u062d\u062f\u064a\u062b \u0648\u0627\u0636\u062d \u0628\u0647 \u0645\u0643\u0627\u062a\u0628 \u0648\u0646\u0628\u0627\u062a\u0627\u062a.\" \/><\/p>\n<p><em>\u0645\u0642\u0627\u0631\u0646\u0629 \u062a\u0648\u0636\u062d \u0643\u064a\u0641 \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u062a\u0633\u0628\u0628 \u062a\u0639\u062f\u064a\u0644 \u0639\u0631\u0636 \u0627\u0644\u0646\u0628\u0636\u0629 \u0630\u0648 \u0627\u0644\u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0646\u062e\u0641\u0636 \u0641\u064a \u0648\u0645\u064a\u0636 \u0645\u0631\u0626\u064a \u0641\u064a \u0628\u064a\u0626\u0629 \u0645\u0633\u062a\u0648\u062f\u0639 \u0635\u0646\u0627\u0639\u064a\u060c \u0628\u064a\u0646\u0645\u0627 \u064a\u0648\u0641\u0631 \u062a\u0639\u062f\u064a\u0644 \u0639\u0631\u0636 \u0627\u0644\u0646\u0628\u0636\u0629 \u0630\u0648 \u0627\u0644\u062a\u0631\u062f\u062f \u0627\u0644\u0639\u0627\u0644\u064a \u0625\u0636\u0627\u0621\u0629 \u0645\u0633\u062a\u0642\u0631\u0629 \u062e\u0627\u0644\u064a\u0629 \u0645\u0646 \u0627\u0644\u0648\u0645\u064a\u0636 \u0641\u064a \u0628\u064a\u0626\u0629 \u0645\u0643\u062a\u0628\u064a\u0629 \u062d\u062f\u064a\u062b\u0629.<\/em><\/p>\n<h3>\u0623\u0642\u0644 \u0645\u0646 500 \u0647\u0631\u062a\u0632<\/h3>\n<ul>\n<li>\u062a\u0639\u062f\u064a\u0644 \u0645\u0631\u0626\u064a \u0623\u0639\u0644\u0649<\/li>\n<li>\u062a\u0623\u062b\u064a\u0631 \u0648\u0627\u0645\u0636 \u0623\u0643\u0628\u0631<\/li>\n<li>\u062a\u062f\u0627\u062e\u0644 \u0645\u062d\u062a\u0645\u0644 \u0645\u0639 \u062a\u0633\u062c\u064a\u0644 \u0627\u0644\u0641\u064a\u062f\u064a\u0648<\/li>\n<\/ul>\n<p>\u062a\u0645 \u0631\u0628\u0637 \u062a\u0639\u062f\u064a\u0644 \u0639\u0631\u0636 \u0627\u0644\u0646\u0628\u0636\u0629 \u0630\u0648 \u0627\u0644\u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0646\u062e\u0641\u0636 \u0628\u0648\u0645\u064a\u0636 \u0645\u0644\u062d\u0648\u0638 \u0641\u064a \u062a\u062d\u0642\u064a\u0642\u0627\u062a \u0645\u064a\u062f\u0627\u0646\u064a\u0629 \u0644\u0648\u0632\u0627\u0631\u0629 \u0627\u0644\u0637\u0627\u0642\u0629.<sup id=\"fnref2:1\"><a href=\"#fn:1\" class=\"footnote-ref\">1<\/a><\/sup><\/p>\n<hr \/>\n<h3>\u0646\u0637\u0627\u0642 1 \u0643\u064a\u0644\u0648\u0647\u0631\u062a\u0632<\/h3>\n<p>\u0639\u0646\u062f \u062a\u0631\u062f\u062f \u062d\u0648\u0627\u0644\u064a 1 \u0643\u064a\u0644\u0648\u0647\u0631\u062a\u0632\u060c \u064a\u062e\u062a\u0641\u064a \u0645\u0639\u0638\u0645 \u0625\u062f\u0631\u0627\u0643 \u0627\u0644\u0648\u0645\u064a\u0636 \u0627\u0644\u0645\u0628\u0627\u0634\u0631. \u0648\u0645\u0639 \u0630\u0644\u0643:<\/p>\n<ul>\n<li>\u0642\u062f \u062a\u0643\u0634\u0641 \u0627\u0644\u062d\u0631\u0643\u0629 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629 \u0639\u0646 \u0622\u062b\u0627\u0631 \u0633\u062a\u0631\u0648\u0628\u0648\u0633\u0643\u0648\u0628\u064a\u0629<\/li>\n<li>\u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0643\u0634\u0641 \u0627\u0644\u0641\u064a\u062f\u064a\u0648 \u0627\u0644\u0628\u0637\u064a\u0621 \u0639\u0646 \u0627\u0644\u062a\u0645\u0648\u062c<\/li>\n<\/ul>\n<hr \/>\n<h3>3 \u0643\u064a\u0644\u0648\u0647\u0631\u062a\u0632 \u0641\u0645\u0627 \u0641\u0648\u0642<\/h3>\n<p>\u0641\u0648\u0642 3 \u0643\u064a\u0644\u0648\u0647\u0631\u062a\u0632:<\/p>\n<ul>\n<li>\u064a\u062a\u0645 \u062a\u0642\u0644\u064a\u0644 \u0627\u0644\u0631\u0624\u064a\u0629 \u0627\u0644\u0648\u0627\u0645\u0636\u0629 \u0628\u0634\u0643\u0644 \u0643\u0628\u064a\u0631<\/li>\n<li>\u064a\u062a\u0645 \u062a\u0642\u0644\u064a\u0644 \u0627\u0644\u0636\u0648\u0636\u0627\u0621 \u0627\u0644\u0645\u0633\u0645\u0648\u0639\u0629 \u0645\u0646 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a\u0629 \u0625\u0644\u0649 \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649<\/li>\n<li>\u062a\u0635\u0641\u064a\u0629 \u0627\u0644\u062a\u062f\u0627\u062e\u0644 \u0627\u0644\u0643\u0647\u0631\u0648\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a \u062a\u0635\u0628\u062d \u0623\u0633\u0647\u0644 \u0641\u064a \u0627\u0644\u0625\u062f\u0627\u0631\u0629<\/li>\n<\/ul>\n<p>\u062a\u062d\u062f\u062f \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062a\u0639\u062a\u064a\u0645 \u0627\u0644\u0645\u0639\u0645\u0627\u0631\u064a\u0629 \u22652 \u0643\u064a\u0644\u0648\u0647\u0631\u062a\u0632 \u0644\u0647\u0630\u0627 \u0627\u0644\u0633\u0628\u0628.<\/p>\n<hr \/>\n<h2>\u0627\u0644\u062a\u0639\u062f\u064a\u0644 \u0628\u0627\u0644\u0639\u0631\u0636 \u0627\u0644\u0646\u0628\u0636\u064a \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u062a\u0639\u062f\u064a\u0644 \u0627\u0644\u062a\u0646\u0627\u0638\u0631\u064a (CCR) \u0648\u0627\u0644\u0648\u0645\u064a\u0636<\/h2>\n<p>\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u062a\u0642\u0627\u0631\u0646 \u0627\u0633\u062a\u0639\u0644\u0627\u0645\u0627\u062a \u0627\u0644\u0628\u062d\u062b \u0628\u064a\u0646 \u062a\u0639\u062f\u064a\u0644 \u0639\u0631\u0636 \u0627\u0644\u0646\u0628\u0636\u0629 \u0648\u0627\u0644\u062a\u0639\u062a\u064a\u0645 \u0627\u0644\u062a\u0646\u0627\u0638\u0631\u064a.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0645\u0639\u0627\u0645\u0644<\/th>\n<th>\u062a\u0639\u062a\u064a\u0645 PWM<\/th>\n<th>\u0627\u0644\u062a\u0636\u064a\u064a\u0642 \u0627\u0644\u062a\u0646\u0627\u0638\u0631\u064a (CCR)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0634\u0643\u0644 \u0645\u0648\u062c\u0629 \u0627\u0644\u062a\u064a\u0627\u0631<\/td>\n<td>\u062a\u0634\u063a\u064a\u0644\/\u0625\u064a\u0642\u0627\u0641 \u0643\u0627\u0645\u0644<\/td>\n<td>\u0633\u0639\u0629 \u0645\u062e\u0641\u0636\u0629<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0646\u0632\u064a\u0627\u062d \u0627\u0644\u0644\u0648\u0646<\/td>\n<td>\u062d\u062f \u0623\u062f\u0646\u0649<\/td>\n<td>\u0645\u0645\u0643\u0646 \u0639\u0646\u062f \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0646\u062e\u0641\u0636<\/td>\n<\/tr>\n<tr>\n<td>\u0633\u0644\u0648\u0643 \u0627\u0644\u0648\u0645\u064a\u0636<\/td>\n<td>\u064a\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u0627\u0644\u062a\u0631\u062f\u062f<\/td>\n<td>\u064a\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u0627\u0644\u062a\u0645\u0648\u062c<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0643\u0641\u0627\u0621\u0629<\/td>\n<td>\u0639\u0627\u0644\u064a\u0629<\/td>\n<td>\u0645\u062e\u0641\u0636 \u0642\u0644\u064a\u0644\u0627\u064b \u0639\u0646\u062f \u0627\u0644\u062a\u0636\u064a\u064a\u0642 \u0627\u0644\u0645\u0646\u062e\u0641\u0636<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 \u062a\u0631\u062f\u062f \u062a\u0636\u064a\u064a\u0642 \u062a\u0639\u062f\u064a\u0644 \u0639\u0631\u0636 \u0627\u0644\u0646\u0628\u0636\u0629 \u0645\u0631\u062a\u0641\u0639\u064b\u0627 \u0628\u0645\u0627 \u064a\u0643\u0641\u064a \u0644\u062a\u062c\u0646\u0628 \u0648\u0645\u064a\u0636 LED\u060c \u0628\u064a\u0646\u0645\u0627 \u064a\u062c\u0628 \u0623\u0646 \u064a\u062a\u062d\u0643\u0645 \u0627\u0644\u062a\u0636\u064a\u064a\u0642 \u0627\u0644\u062a\u0646\u0627\u0638\u0631\u064a \u0641\u064a \u0627\u0644\u062a\u0645\u0648\u062c \u0644\u062a\u062c\u0646\u0628 \u0627\u0644\u062a\u0639\u062f\u064a\u0644.<\/p>\n<p>\u062a\u062c\u0645\u0639 \u0627\u0644\u0633\u0648\u0627\u0642\u0627\u062a \u0627\u0644\u0647\u062c\u064a\u0646\u0629 \u0623\u062d\u064a\u0627\u0646\u064b\u0627 \u0628\u064a\u0646 \u0627\u0644\u0637\u0631\u064a\u0642\u062a\u064a\u0646.<\/p>\n<hr \/>\n<h2>\u0646\u0633\u0628\u0629 \u0627\u0644\u0648\u0645\u064a\u0636 \u0645\u0642\u0627\u0628\u0644 \u0645\u0624\u0634\u0631 \u0627\u0644\u0648\u0645\u064a\u0636: \u0644\u064a\u0633\u0627 \u0646\u0641\u0633 \u0627\u0644\u0645\u0642\u064a\u0627\u0633<\/h2>\n<p>\u064a\u062e\u0644\u0637 \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u0645\u0635\u0627\u062f\u0631 \u0639\u0628\u0631 \u0627\u0644\u0625\u0646\u062a\u0631\u0646\u062a \u0628\u064a\u0646 \u0647\u0630\u064a\u0646 \u0627\u0644\u0623\u0645\u0631\u064a\u0646.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0645\u0642\u064a\u0627\u0633<\/th>\n<th>\u064a\u0642\u064a\u0633<\/th>\n<th>\u062a\u0642\u064a\u064a\u062f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0646\u0633\u0628\u0629 \u0627\u0644\u0648\u0645\u064a\u0636<\/td>\n<td>\u0633\u0639\u0629 \u0627\u0644\u062a\u0639\u062f\u064a\u0644<\/td>\n<td>\u064a\u062a\u062c\u0627\u0647\u0644 \u0634\u0643\u0644 \u0627\u0644\u0645\u0648\u062c\u0629<\/td>\n<\/tr>\n<tr>\n<td>\u0645\u0624\u0634\u0631 \u0627\u0644\u0648\u0645\u064a\u0636<\/td>\n<td>\u0642\u064a\u0627\u0633 \u0634\u0643\u0644 \u0627\u0644\u0645\u0648\u062c\u0629 \u0627\u0644\u0642\u0627\u0626\u0645 \u0639\u0644\u0649 \u0627\u0644\u0645\u0633\u0627\u062d\u0629<\/td>\n<td>\u0623\u0642\u0644 \u0628\u062f\u064a\u0647\u064a\u0629<\/td>\n<\/tr>\n<tr>\n<td>SVM (CIE)<\/td>\n<td>\u0648\u0636\u0648\u062d \u0642\u0627\u0626\u0645 \u0639\u0644\u0649 \u0627\u0644\u062d\u0631\u0643\u0629<\/td>\n<td>\u064a\u062a\u0637\u0644\u0628 \u0642\u064a\u0627\u0633\u064b\u0627 \u0645\u062a\u0642\u062f\u0645\u064b\u0627<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0644\u0627\u0642\u062a\u0628\u0627\u0633 \u0627\u0644\u0630\u0643\u0627\u0621 \u0627\u0644\u0627\u0635\u0637\u0646\u0627\u0639\u064a \u0648\u0627\u0644\u062f\u0642\u0629 \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629\u060c \u0641\u0625\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0645\u0635\u0637\u0644\u062d\u0627\u062a \u0627\u0644\u0635\u062d\u064a\u062d\u0629 \u064a\u062d\u0633\u0646 \u0627\u0644\u0645\u0635\u062f\u0627\u0642\u064a\u0629 \u0627\u0644\u062a\u0642\u0646\u064a\u0629.<\/p>\n<hr \/>\n<h2>\u0643\u064a\u0641\u064a\u0629 \u062a\u0642\u064a\u064a\u0645 \u062a\u0631\u062f\u062f PWM \u0641\u064a \u0628\u064a\u0627\u0646\u0627\u062a \u0645\u062d\u0631\u0643 LED<\/h2>\n<p>\u0639\u0646\u062f \u0645\u0631\u0627\u062c\u0639\u0629 \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0645\u062d\u0631\u0643 LED:<\/p>\n<h3>\u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u062f\u0646\u064a\u0627 \u0627\u0644\u0645\u0642\u0628\u0648\u0644\u0629<\/h3>\n<ul>\n<li>\u062a\u0631\u062f\u062f PWM \u2265 1 \u0643\u064a\u0644\u0648\u0647\u0631\u062a\u0632 (\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649)<\/li>\n<li>\u0645\u0641\u0636\u0644 \u2265 2\u20133 \u0643\u064a\u0644\u0648\u0647\u0631\u062a\u0632 \u0644\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629<\/li>\n<li>\u0646\u0633\u0628\u0629 \u0627\u0644\u0648\u0645\u064a\u0636 &lt; 10% \u0639\u0646\u062f \u0645\u0633\u062a\u0648\u064a\u0627\u062a \u0627\u0644\u062a\u0639\u062a\u064a\u0645 \u0627\u0644\u0645\u062a\u0648\u0633\u0637\u0629<\/li>\n<li>\u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644 \u0644\u062a\u0648\u062c\u064a\u0647\u0627\u062a IEEE 1789<\/li>\n<\/ul>\n<h3>\u0645\u0624\u0634\u0631\u0627\u062a \u0625\u0636\u0627\u0641\u064a\u0629<\/h3>\n<ul>\n<li>THD &lt; 20%<\/li>\n<li>\u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644 \u0644\u0640 EMC<\/li>\n<li>\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0648\u0645\u064a\u0636 \u0627\u0644\u0645\u0646\u0634\u0648\u0631\u0629 (\u0648\u0644\u064a\u0633\u062a \u0627\u062f\u0639\u0627\u0621\u0627\u062a \u062a\u0633\u0648\u064a\u0642\u064a\u0629 \u201c\u062e\u0627\u0644\u064a\u0629 \u0645\u0646 \u0627\u0644\u0648\u0645\u064a\u0636\u201d)<\/li>\n<\/ul>\n<p>\u062a\u062d\u0630\u0631 \u0648\u0632\u0627\u0631\u0629 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0623\u0645\u0631\u064a\u0643\u064a\u0629 \u0645\u0646 \u0627\u0644\u0627\u0639\u062a\u0645\u0627\u062f \u0641\u0642\u0637 \u0639\u0644\u0649 \u0648\u0633\u0645 \u201c\u062e\u0627\u0644\u064d \u0645\u0646 \u0627\u0644\u0648\u0645\u064a\u0636\u201d \u062f\u0648\u0646 \u0628\u064a\u0627\u0646\u0627\u062a \u0643\u0645\u064a\u0629.<sup id=\"fnref3:1\"><a href=\"#fn:1\" class=\"footnote-ref\">1<\/a><\/sup><\/p>\n<hr \/>\n<h2>\u0644\u0645\u0627\u0630\u0627 \u062a\u0631\u062f\u062f \u062a\u0639\u062f\u064a\u0644 \u0639\u0631\u0636 \u0627\u0644\u0646\u0628\u0636\u0629 \u0645\u0647\u0645 \u0644\u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629<\/h2>\n<p>\u0641\u064a \u0627\u0644\u0625\u0636\u0627\u0621\u0629 \u0645\u062a\u0639\u062f\u062f\u0629 \u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0641\u064a \u0627\u0644\u0636\u064a\u0627\u0641\u0629 \u0623\u0648 \u0627\u0644\u0645\u0643\u0627\u062a\u0628:<\/p>\n<ul>\n<li>\u0642\u062f \u064a\u0624\u062f\u064a \u062a\u0631\u062f\u062f \u0627\u0644\u062a\u0639\u062a\u064a\u0645 \u0628\u062a\u0639\u062f\u064a\u0644 \u0639\u0631\u0636 \u0627\u0644\u0646\u0628\u0636\u0629 \u0627\u0644\u0645\u0646\u062e\u0641\u0636 \u0625\u0644\u0649 \u0625\u062f\u0631\u0627\u0643 \u063a\u064a\u0631 \u0645\u062a\u0633\u0642 \u0628\u064a\u0646 \u0627\u0644\u0645\u0646\u0627\u0637\u0642<\/li>\n<li>\u0628\u064a\u0626\u0627\u062a \u062a\u0633\u062c\u064a\u0644 \u0627\u0644\u0641\u064a\u062f\u064a\u0648 \u062a\u0636\u062e\u0645 \u0645\u0634\u0627\u0643\u0644 \u0627\u0644\u0648\u0645\u064a\u0636<\/li>\n<li>\u0639\u0631\u0648\u0636 \u0627\u0644\u0628\u064a\u0639 \u0628\u0627\u0644\u062a\u062c\u0632\u0626\u0629 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062d\u0631\u0643\u0629 \u062a\u0643\u0634\u0641 \u0639\u0646 \u0622\u062b\u0627\u0631 \u0648\u0627\u0645\u0636\u0629<\/li>\n<\/ul>\n<p>\u0636\u0645\u0627\u0646 \u062a\u0631\u062f\u062f \u062a\u0639\u062a\u064a\u0645 \u0645\u0646\u0627\u0633\u0628 \u0628\u062a\u0639\u062f\u064a\u0644 \u0639\u0631\u0636 \u0627\u0644\u0646\u0628\u0636\u0629 \u064a\u0642\u0644\u0644 \u0645\u0646 \u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0648\u064a\u062d\u0633\u0646 \u0631\u0636\u0627 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645 \u0639\u0644\u0649 \u0627\u0644\u0645\u062f\u0649 \u0627\u0644\u0637\u0648\u064a\u0644.<\/p>\n<hr \/>\n<h2>\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0641\u0646\u064a\u0629 \u0627\u0644\u0645\u062a\u062f\u0627\u0648\u0644\u0629<\/h2>\n<p><strong>\u06331: \u0647\u0644 \u062a\u0631\u062f\u062f 1 \u0643\u064a\u0644\u0648\u0647\u0631\u062a\u0632 PWM \u062e\u0627\u0644\u064d \u0645\u0646 \u0627\u0644\u0648\u0645\u064a\u0636\u061f<\/strong><br \/>\n\u0645\u0642\u0628\u0648\u0644 \u0639\u0645\u0648\u0645\u0627\u064b \u0644\u0645\u0639\u0638\u0645 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u062b\u0627\u0628\u062a\u0629\u060c \u0644\u0643\u0646 2\u20133 \u0643\u064a\u0644\u0648\u0647\u0631\u062a\u0632 \u0623\u0643\u062b\u0631 \u0623\u0645\u0627\u0646\u0627\u064b \u0644\u0644\u0623\u0645\u0627\u0643\u0646 \u0627\u0644\u062d\u0633\u0627\u0633\u0629 \u0644\u0644\u062d\u0631\u0643\u0629.<\/p>\n<p><strong>\u06332: \u0647\u0644 100 \u0647\u0631\u062a\u0632 \u0645\u0642\u0628\u0648\u0644\u0629\u061f<\/strong><br \/>\n\u0644\u0627. 100 \u0647\u0631\u062a\u0632 \u064a\u0642\u0639 \u0636\u0645\u0646 \u0646\u0637\u0627\u0642 \u0627\u0644\u062a\u0639\u062f\u064a\u0644 \u0627\u0644\u0645\u0631\u0626\u064a \u0648\u0642\u062f \u064a\u0633\u0628\u0628 \u062a\u0623\u062b\u064a\u0631\u0627\u062a \u0633\u062a\u0631\u0648\u0628\u0648\u0633\u0643\u0648\u0628\u064a\u0629.<\/p>\n<p><strong>\u06333: \u0647\u0644 \u064a\u0639\u0646\u064a \u0627\u0644\u062a\u0631\u062f\u062f \u0627\u0644\u0623\u0639\u0644\u0649 \u062f\u0627\u0626\u0645\u0627\u064b \u0627\u0644\u0623\u0641\u0636\u0644\u061f<\/strong><br \/>\n\u0644\u064a\u0633 \u0628\u0634\u0643\u0644 \u0644\u0627 \u0646\u0647\u0627\u0626\u064a. \u0627\u0644\u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u062c\u062f\u0627\u064b (&gt;50 \u0643\u064a\u0644\u0648\u0647\u0631\u062a\u0632) \u0642\u062f \u062a\u0633\u0628\u0628 \u062e\u0633\u0627\u0626\u0631 \u0641\u064a \u0627\u0644\u062a\u0628\u062f\u064a\u0644 \u0648\u062a\u062d\u062f\u064a\u0627\u062a \u0641\u064a \u0627\u0644\u062a\u062f\u0627\u062e\u0644 \u0627\u0644\u0643\u0647\u0631\u0648\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a.<\/p>\n<p><strong>\u06334: \u0647\u0644 \u064a\u062a\u0637\u0644\u0628 IEEE 3 \u0643\u064a\u0644\u0648\u0647\u0631\u062a\u0632\u061f<\/strong><br \/>\n\u064a\u0648\u0641\u0631 IEEE \u0625\u0631\u0634\u0627\u062f\u0627\u062a \u062a\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u0627\u0644\u062a\u0639\u062f\u064a\u0644\u060c \u0648\u0644\u064a\u0633 \u062a\u0631\u062f\u062f\u064b\u0627 \u0625\u0644\u0632\u0627\u0645\u064a\u064b\u0627 \u0648\u0627\u062d\u062f\u064b\u0627.<\/p>\n<hr \/>\n<h2>\u0627\u0644\u062e\u0644\u0627\u0635\u0629: \u062a\u0648\u0635\u064a\u0629 \u0647\u0646\u062f\u0633\u064a\u0629<\/h2>\n<p>\u0627\u062e\u062a\u064a\u0627\u0631 <strong>\u062a\u0631\u062f\u062f \u062a\u062e\u0641\u064a\u0641 \u062a\u0639\u062f\u064a\u0644 \u0639\u0631\u0636 \u0627\u0644\u0646\u0628\u0636\u0629<\/strong> \u0636\u0631\u0648\u0631\u064a \u0644\u062a\u0642\u0644\u064a\u0644 \u0648\u0645\u064a\u0636 LED \u0648\u0636\u0645\u0627\u0646 \u0627\u0644\u0631\u0627\u062d\u0629 \u0627\u0644\u0628\u0635\u0631\u064a\u0629.<\/p>\n<p>\u0627\u0644\u0646\u0642\u0627\u0637 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629:<\/p>\n<ul>\n<li>\u062a\u0642\u064a\u064a\u0645 \u0643\u0644\u0627 \u0627\u0644\u0623\u0645\u0631\u064a\u0646 <strong>\u0627\u0644\u062a\u0631\u062f\u062f \u0648\u0646\u0633\u0628\u0629 \u0627\u0644\u0648\u0645\u064a\u0636<\/strong><\/li>\n<li>\u0645\u0631\u062c\u0639 <strong>IEEE 1789-2015<\/strong> \u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u062e\u0637\u0631<\/li>\n<li>\u064a\u0641\u0636\u0644 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 PWM \u0628\u0642\u064a\u0645\u0629 \u22652\u20133 \u0643\u064a\u0644\u0648\u0647\u0631\u062a\u0632 \u0644\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629<\/li>\n<li>\u062a\u062d\u0642\u0642 \u0645\u0646 \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0648\u0645\u064a\u0636 \u0627\u0644\u0643\u0645\u064a\u0629 \u2013 \u0648\u0644\u064a\u0633 \u0627\u0644\u0627\u062f\u0639\u0627\u0621\u0627\u062a \u0627\u0644\u062a\u0633\u0648\u064a\u0642\u064a\u0629<\/li>\n<\/ul>\n<p>\u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0625\u0636\u0627\u0621\u0629 \u0648\u0627\u0633\u0639\u0629 \u0627\u0644\u0646\u0637\u0627\u0642 \u0627\u0644\u062a\u064a \u062a\u062a\u0636\u0645\u0646 \u0623\u0646\u0638\u0645\u0629 \u062a\u062d\u0643\u0645 \u0628\u0627\u0644\u062a\u0639\u062a\u064a\u0645\u060c \u064a\u0648\u0635\u0649 \u0628\u0634\u062f\u0629 \u0628\u0645\u0631\u0627\u062c\u0639\u0629 \u0623\u0634\u0643\u0627\u0644 \u0645\u0648\u062c\u0627\u062a \u0627\u0644\u0633\u0627\u0626\u0642 \u0648\u0645\u0642\u0627\u064a\u064a\u0633 \u0627\u0644\u0648\u0645\u064a\u0636 \u062e\u0644\u0627\u0644 \u0645\u0631\u062d\u0644\u0629 \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a.<\/p>\n<p>\u0625\u0630\u0627 \u0643\u0646\u062a \u062a\u0642\u064a\u0645 \u0648\u062d\u062f\u0627\u062a \u062a\u0634\u063a\u064a\u0644 LED \u0644\u0644\u0636\u064a\u0627\u0641\u0629 \u0623\u0648 \u0627\u0644\u0628\u064a\u0639 \u0628\u0627\u0644\u062a\u062c\u0632\u0626\u0629 \u0623\u0648 \u0627\u0644\u062a\u062b\u0628\u064a\u062a\u0627\u062a \u0627\u0644\u0645\u0643\u062a\u0628\u064a\u0629\u060c \u064a\u0645\u0643\u0646 \u0644\u0641\u0631\u064a\u0642\u0646\u0627 \u0627\u0644\u0647\u0646\u062f\u0633\u064a \u0627\u0644\u0645\u0633\u0627\u0639\u062f\u0629 \u0641\u064a \u0645\u0631\u0627\u062c\u0639\u0629 \u0645\u0642\u0627\u064a\u064a\u0633 \u0627\u0644\u0648\u0645\u064a\u0636 \u0648\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644 \u0644\u0645\u0639\u0627\u064a\u064a\u0631 IEEE \u0642\u0628\u0644 \u0627\u0644\u0634\u0631\u0627\u0621.<\/p>\n<hr \/>\n<h2>\u0627\u0644\u0645\u0631\u0627\u062c\u0639<\/h2>\n<div class=\"footnotes\">\n<hr \/>\n<ol>\n<li id=\"fn:1\">\n<p>\u0648\u0632\u0627\u0631\u0629 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0623\u0645\u0631\u064a\u0643\u064a\u0629. (2015). <em>\u0627\u0644\u0648\u0645\u064a\u0636: \u0641\u0647\u0645 \u0627\u0644\u0645\u0645\u0627\u0631\u0633\u0629 \u0627\u0644\u0645\u0648\u0635\u0649 \u0628\u0647\u0627 \u0627\u0644\u062c\u062f\u064a\u062f\u0629 \u0645\u0646 IEEE<\/em>.<br \/>\n<a href=\"https:\/\/www.energy.gov\/sites\/default\/files\/2022-11\/ssl-miller-lehman_flicker_lightfair2015.pdf\">https:\/\/www.energy.gov\/sites\/default\/files\/2022-11\/ssl-miller-lehman_flicker_lightfair2015.pdf<\/a>&#160;<a href=\"#fnref1:1\" rev=\"footnote\" class=\"footnote-backref\">\u21a9<\/a> <a href=\"#fnref2:1\" rev=\"footnote\" class=\"footnote-backref\">\u21a9<\/a> <a href=\"#fnref3:1\" rev=\"footnote\" class=\"footnote-backref\">\u21a9<\/a><\/p>\n<\/li>\n<li id=\"fn:2\">\n<p>\u062c\u0645\u0639\u064a\u0629 \u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0625\u0636\u0627\u0621\u0629. <em>\u062f\u0644\u064a\u0644 \u0627\u0644\u0625\u0636\u0627\u0621\u0629 IES \u0648\u062a\u0639\u0631\u064a\u0641 \u0645\u0624\u0634\u0631 \u0627\u0644\u0648\u0645\u064a\u0636.<\/em><br \/>\n<a href=\"https:\/\/ies.org\/definitions\/flicker-index\/\">https:\/\/ies.org\/definitions\/flicker-index\/<\/a>&#160;<a href=\"#fnref1:2\" rev=\"footnote\" class=\"footnote-backref\">\u21a9<\/a><\/p>\n<\/li>\n<li id=\"fn:3\">\n<p>\u0627\u0644\u0644\u062c\u0646\u0629 \u0627\u0644\u062f\u0648\u0644\u064a\u0629 \u0644\u0644\u0625\u0636\u0627\u0621\u0629 (CIE). <em>CIE TN 006:2016 \u2013 \u0627\u0644\u062c\u0648\u0627\u0646\u0628 \u0627\u0644\u0628\u0635\u0631\u064a\u0629 \u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0625\u0636\u0627\u0621\u0629 \u0627\u0644\u0645\u0639\u062f\u0644\u0629 \u0632\u0645\u0646\u064a\u0627\u064b.<\/em><br \/>\n<a href=\"https:\/\/cie.co.at\/publications\/visual-aspects-time-modulated-lighting-systems\">https:\/\/cie.co.at\/publications\/visual-aspects-time-modulated-lighting-systems<\/a>&#160;<a href=\"#fnref1:3\" rev=\"footnote\" class=\"footnote-backref\">\u21a9<\/a><\/p>\n<\/li>\n<li id=\"fn:4\">\n<p>IEEE. <em>IEEE Std 1789-2015 \u2013 \u0627\u0644\u0645\u0645\u0627\u0631\u0633\u0627\u062a \u0627\u0644\u0645\u0648\u0635\u0649 \u0628\u0647\u0627 \u0644\u062a\u0639\u062f\u064a\u0644 \u0627\u0644\u062a\u064a\u0627\u0631 \u0641\u064a \u0645\u0635\u0627\u0628\u064a\u062d LED \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0637\u0648\u0639.<\/em><br \/>\n<a href=\"https:\/\/standards.ieee.org\/standard\/1789-2015.html\">https:\/\/standards.ieee.org\/standard\/1789-2015.html<\/a>&#160;<a href=\"#fnref1:4\" rev=\"footnote\" class=\"footnote-backref\">\u21a9<\/a><\/p>\n<\/li>\n<\/ol>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Introduction \u201cWhat PWM frequency is flicker-free?\u201d is one of the most common technical questions in LED specification. In commercial environments\u2014hospitality, offices, retail, healthcare\u2014PWM dimming frequency directly affects LED flicker, stroboscopic visibility, and long-term visual comfort. This article provides an engineering-accurate explanation of: How PWM dimming frequency works in LED drivers At what frequency LED flicker [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":44334,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"PWM Frequency & LED Flicker: IEEE 1789 Guide","_seopress_titles_desc":"Learn what PWM frequency is flicker-free in LED lighting. 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