{"id":35759,"date":"2026-05-04T10:03:32","date_gmt":"2026-05-04T02:03:32","guid":{"rendered":"https:\/\/greattop-tw.com\/?p=35759"},"modified":"2026-05-12T16:22:43","modified_gmt":"2026-05-12T08:22:43","slug":"triac-leading-edge-vs-trailing-edge-dimming-a-comprehensive-guide-to-principles-differences-and-advantages-disadvantages","status":"publish","type":"post","link":"https:\/\/greattop-tw.com\/zh_tw\/lighting-knowledge\/triac-leading-edge-vs-trailing-edge-dimming-a-comprehensive-guide-to-principles-differences-and-advantages-disadvantages\/","title":{"rendered":"Triac \u524d\u6cbf\u8abf\u5149 vs \u5f8c\u6cbf\u8abf\u5149\uff1a\u539f\u7406\u3001\u5dee\u7570\u8207\u512a\u7f3a\u9ede\u5b8c\u6574\u89e3\u6790"},"content":{"rendered":"<h2><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-35892 size-full\" src=\"https:\/\/greattop-tw.com\/wp-content\/uploads\/2026\/05\/260512-1.png\" alt=\"\" width=\"1254\" height=\"1254\" srcset=\"https:\/\/greattop-tw.com\/wp-content\/uploads\/2026\/05\/260512-1.png 1254w, https:\/\/greattop-tw.com\/wp-content\/uploads\/2026\/05\/260512-1-300x300.png 300w\" sizes=\"(max-width: 1254px) 100vw, 1254px\" \/><\/h2>\n<h1 data-path-to-node=\"5\">\u524d\u6cbf\u8abf\u5149 (Leading) \u8207\u5f8c\u6cbf\u8abf\u5149 (Trailing) \u7684\u539f\u7406\u5dee\u7570\u8207\u9078\u64c7\u6307\u5357<\/h1>\n<h2 data-path-to-node=\"6\"><\/h2>\n<p data-path-to-node=\"7\">\u5728\u73fe\u4ee3\u7167\u660e\u63a7\u5236\u7cfb\u7d71\u4e2d\uff0c\u524d\u6cbf\u8abf\u5149\uff08Leading Edge\uff09<b data-path-to-node=\"7\" data-index-in-node=\"37\">\u8207<\/b>\u5f8c\u6cbf\u8abf\u5149\uff08Trailing Edge\uff09\u662f\u6700\u6838\u5fc3\u7684\u5169\u7a2e\u76f8\u4f4d\u8abf\u5149\u6280\u8853\u3002\u5169\u8005\u4e3b\u8981\u5dee\u7570\u5728\u65bc\u4ea4\u6d41\u96fb\u6ce2\u5f62\u7684\u5207\u65b7\u6642\u6a5f\uff1a<\/p>\n<ul data-path-to-node=\"8\">\n<li>\n<p data-path-to-node=\"8,0,0\"><b data-path-to-node=\"8,0,0\" data-index-in-node=\"0\">\u524d\u6cbf\u8abf\u5149 (Leading)<\/b>\uff1a\u65bc\u4ea4\u6d41\u96fb\u6ce2\u5f62\u300c\u958b\u59cb\u6642\u65b7\u96fb\uff0c\u4e2d\u6bb5\u7a81\u7136\u5c0e\u901a\u300d\uff0c\u5bb9\u6613\u7522\u751f\u6975\u9ad8\u7684\u77ac\u9593\u7a81\u6ce2\u96fb\u6d41\uff08Inrush Current\uff09\uff0c\u9069\u5408\u50b3\u7d71\u9ad8\u529f\u7387\u7684\u767d\u71be\u71c8\u8207\u9e75\u7d20\u71c8\uff0c\u6210\u672c\u8f03\u4f4e\u3002<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"8,1,0\"><b data-path-to-node=\"8,1,0\" data-index-in-node=\"0\">\u5f8c\u6cbf\u8abf\u5149 (Trailing)<\/b>\uff1a\u65bc\u4ea4\u6d41\u96fb\u6ce2\u5f62\u300c\u4e00\u958b\u59cb\u5373\u5c0e\u901a\uff0c\u4e2d\u6bb5\u5e73\u7de9\u95dc\u9589\u300d\uff0c\u96fb\u6d41\u8b8a\u5316\u67d4\u9806\u4e14\u5c0d\u96fb\u5b50\u96f6\u4ef6\u58d3\u529b\u5c0f\uff0c\u904b\u4f5c\u975c\u97f3\uff0c\u662f\u73fe\u4ee3 <b data-path-to-node=\"8,1,0\" data-index-in-node=\"58\">LED \u7167\u660e\u7cfb\u7d71<\/b>\u8207\u7cbe\u5bc6\u667a\u6167\u63a7\u5236\u8a2d\u5099\u7684\u512a\u5148\u9078\u64c7\u3002<\/p>\n<\/li>\n<\/ul>\n<hr data-path-to-node=\"9\" \/>\n<h2 data-path-to-node=\"10\">\u4e00\u3001 \u8abf\u5149\u6280\u8853\u539f\u7406\u6df1\u5ea6\u89e3\u6790\uff1a\u6ce2\u5f62\u8207\u96fb\u6d41\u7279\u6027<\/h2>\n<p data-path-to-node=\"11\">\u7406\u89e3\u8abf\u5149\u6280\u8853\u7684\u6838\u5fc3\uff0c\u5728\u65bc\u89c0\u5bdf\u4ea4\u6d41\u96fb\uff08AC\uff09\u6b63\u5f26\u6ce2\u9031\u671f\u4e2d\u7684\u5be6\u969b\u8f38\u51fa\u96fb\u529b\uff08\u5c0e\u901a\u5340\u9593\uff09\u72c0\u614b\u3002<\/p>\n<h3 data-path-to-node=\"12\">1. \u524d\u6cbf\u8abf\u5149\uff08Leading\uff09\u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n<p data-path-to-node=\"13\">\u524d\u6cbf\u8abf\u5149\u7684\u904b\u4f5c\u6a5f\u5236\u662f\u5728\u6bcf\u4e00\u500b\u4ea4\u6d41\u96fb\u6ce2\u5f62\u7684\u521d\u59cb\u968e\u6bb5\u5207\u65b7\u96fb\u6d41\uff0c\u76f4\u5230\u6ce2\u5f62\u904b\u884c\u81f3\u4e2d\u6bb5\u6642\u624d<b data-path-to-node=\"13\" data-index-in-node=\"40\">\u77ac\u9593\u958b\u555f\uff08Sudden Turn ON\uff09<\/b>\u3002<\/p>\n<ul data-path-to-node=\"14\">\n<li>\n<p data-path-to-node=\"14,0,0\"><b data-path-to-node=\"14,0,0\" data-index-in-node=\"0\">\u7269\u7406\u7279\u6027<\/b>\uff1a\u9019\u7a2e\u5f9e\u7121\u5230\u6709\u7684\u5287\u70c8\u5207\u63db\uff0c\u6703\u7522\u751f\u6975\u9ad8\u7684<b data-path-to-node=\"14,0,0\" data-index-in-node=\"23\">\u77ac\u9593\u7a81\u6ce2\u96fb\u6d41\uff08Inrush Current\uff09<\/b>\u3002<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"14,1,0\"><b data-path-to-node=\"14,1,0\" data-index-in-node=\"0\">\u5c0d\u786c\u9ad4\u7684\u5f71\u97ff<\/b>\uff1a\u96fb\u6d41\u885d\u64ca\u8f03\u5927\uff0c\u5c0d\u5f8c\u7aef\u9023\u63a5\u7684\u96fb\u5b50\u5143\u4ef6\u6703\u7522\u751f\u77ac\u9593\u7684\u9ad8\u58d3\u8ca0\u8f09\u3002<\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"15\">2. \u5f8c\u6cbf\u8abf\u5149\uff08Trailing\uff09\u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n<p data-path-to-node=\"16\">\u5f8c\u6cbf\u8abf\u5149\u63a1\u7528\u76f8\u53cd\u7684\u908f\u8f2f\uff0c\u5728\u6ce2\u5f62\u7684\u521d\u59cb\u968e\u6bb5\u5c31\u4fdd\u6301\u901a\u96fb\u72c0\u614b\uff0c\u76f4\u5230\u6ce2\u5f62\u904b\u884c\u81f3\u4e2d\u6bb5\u6642\u624d\u57f7\u884c<b data-path-to-node=\"16\" data-index-in-node=\"41\">\u5e73\u6ed1\u95dc\u9589\uff08Sudden Turn OFF\uff0c\u4f46\u96fb\u6d41\u70ba\u7de9\u964d\uff09<\/b>\u3002<\/p>\n<ul data-path-to-node=\"17\">\n<li>\n<p data-path-to-node=\"17,0,0\"><b data-path-to-node=\"17,0,0\" data-index-in-node=\"0\">\u7269\u7406\u7279\u6027<\/b>\uff1a\u5148\u5c0e\u901a\u5f8c\u5207\u65b7\u7684\u6a5f\u5236\uff0c\u4f7f\u96fb\u58d3\u8207\u96fb\u6d41\u7684\u8b8a\u5316\u66f2\u7dda\u76f8\u5c0d\u67d4\u9806\u3002<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"17,1,0\"><b data-path-to-node=\"17,1,0\" data-index-in-node=\"0\">\u5c0d\u786c\u9ad4\u7684\u5f71\u97ff<\/b>\uff1a\u5927\u5e45\u964d\u4f4e\u4e86\u958b\u6a5f\u77ac\u9593\u7684\u7a81\u767c\u9ad8\u58d3\uff0c\u76f8\u8f03\u524d\u6cbf\u8abf\u5149\uff0c\u5c0d\u96fb\u5b50\u9a45\u52d5\u5668\u8f03\u53cb\u5584\u3002<\/p>\n<\/li>\n<\/ul>\n<hr data-path-to-node=\"18\" \/>\n<h2 data-path-to-node=\"19\">\u4e8c\u3001 \u524d\u6cbf\u8abf\u5149\u8207\u5f8c\u6cbf\u8abf\u5149\u512a\u7f3a\u9ede\u6bd4\u8f03\u5206\u6790<\/h2>\n<p data-path-to-node=\"20\">\u70ba\u4fbf\u65bc\u5de5\u7a0b\u898f\u5283\u8207\u8a2d\u5099\u9078\u578b\uff0c\u4ee5\u4e0b\u91dd\u5c0d\u5169\u7a2e\u6280\u8853\u7684\u5404\u9805\u6307\u6a19\u9032\u884c\u7d9c\u5408\u6bd4\u8f03\uff1a<\/p>\n<table data-path-to-node=\"21\">\n<thead>\n<tr>\n<td><strong>\u8a55\u4f30\u9805\u76ee<\/strong><\/td>\n<td><strong>\u524d\u6cbf\u8abf\u5149 (Leading)<\/strong><\/td>\n<td><strong>\u5f8c\u6cbf\u8abf\u5149 (Trailing)<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"21,1,0,0\"><b data-path-to-node=\"21,1,0,0\" data-index-in-node=\"0\">\u904b\u4f5c\u539f\u7406<\/b><\/span><\/td>\n<td><span data-path-to-node=\"21,1,1,0\">\u4e2d\u6bb5\u77ac\u9593\u5c0e\u901a (Sudden Turn ON)<\/span><\/td>\n<td><span data-path-to-node=\"21,1,2,0\">\u4e2d\u6bb5\u5e73\u6ed1\u95dc\u9589 (Sudden Turn OFF)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"21,2,0,0\"><b data-path-to-node=\"21,2,0,0\" data-index-in-node=\"0\">\u6210\u672c\u8207\u7d50\u69cb<\/b><\/span><\/td>\n<td><span data-path-to-node=\"21,2,1,0\">\u96fb\u8def\u8a2d\u8a08\u7c21\u55ae\uff0c\u5efa\u7f6e\u6210\u672c\u6975\u4f4e<\/span><\/td>\n<td><span data-path-to-node=\"21,2,2,0\">\u96fb\u8def\u8a2d\u8a08\u7cbe\u5bc6\u8907\u96dc\uff0c\u88fd\u9020\u6210\u672c\u8f03\u9ad8<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"21,3,0,0\"><b data-path-to-node=\"21,3,0,0\" data-index-in-node=\"0\">\u529f\u7387\u627f\u8f09<\/b><\/span><\/td>\n<td><span data-path-to-node=\"21,3,1,0\">\u53ef\u627f\u8f09\u8f03\u9ad8\u529f\u7387<\/span><\/td>\n<td><span data-path-to-node=\"21,3,2,0\">\u627f\u8f09\u529f\u7387\u4e0a\u9650\u901a\u5e38\u8f03\u4f4e<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"21,4,0,0\"><b data-path-to-node=\"21,4,0,0\" data-index-in-node=\"0\">\u786c\u9ad4\u9ad4\u7a4d<\/b><\/span><\/td>\n<td><span data-path-to-node=\"21,4,1,0\">\u5c3a\u5bf8\u8f03\u5c0f\uff0c\u6613\u65bc\u6574\u5408\u65bc\u63a5\u7dda\u76d2<\/span><\/td>\n<td><span data-path-to-node=\"21,4,2,0\">\u5be6\u9ad4\u5c3a\u5bf8\u901a\u5e38\u8f03\u5927<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"21,5,0,0\"><b data-path-to-node=\"21,5,0,0\" data-index-in-node=\"0\">\u96fb\u78c1\u5e72\u64fe (EMI)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"21,5,1,0\">\u5207\u63db\u5287\u70c8\uff0c\u6613\u7522\u751f\u9ad8\u983b EMI \u5e72\u64fe<\/span><\/td>\n<td><span data-path-to-node=\"21,5,2,0\">\u904b\u4f5c\u7a69\u5b9a\uff0c\u5e72\u64fe\u6975\u4f4e<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"21,6,0,0\"><b data-path-to-node=\"21,6,0,0\" data-index-in-node=\"0\">LED \u76f8\u5bb9\u6027<\/b><\/span><\/td>\n<td><span data-path-to-node=\"21,6,1,0\">\u8f03\u5dee\uff0c\u6613\u5c0e\u81f4\u71c8\u5177\u9583\u720d\u6216\u9a45\u52d5\u5668\u767c\u51fa\u566a\u97f3<\/span><\/td>\n<td><span data-path-to-node=\"21,6,2,0\"><b data-path-to-node=\"21,6,2,0\" data-index-in-node=\"0\">\u6975\u4f73<\/b>\uff0c\u8abf\u5149\u904e\u7a0b\u6975\u5ea6\u5e73\u9806\uff0c\u904b\u4f5c\u975c\u97f3<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"21,7,0,0\"><b data-path-to-node=\"21,7,0,0\" data-index-in-node=\"0\">\u8a2d\u5099\u58fd\u547d\u5f71\u97ff<\/b><\/span><\/td>\n<td><span data-path-to-node=\"21,7,1,0\">\u77ac\u9593\u5927\u96fb\u6d41\u6613\u640d\u5bb3\u7cbe\u5bc6\u96fb\u5b50\u96f6\u4ef6<\/span><\/td>\n<td><span data-path-to-node=\"21,7,2,0\">\u6eab\u548c\u6ce2\u5f62\u53ef\u6709\u6548\u5ef6\u9577\u71c8\u5177\u8207\u9a45\u52d5\u5668\u58fd\u547d<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr data-path-to-node=\"22\" \/>\n<h2 data-path-to-node=\"23\">\u4e09\u3001 \u5de5\u7a0b\u5be6\u52d9\uff1a\u5982\u4f55\u70ba\u60a8\u7684\u7167\u660e\u7cfb\u7d71\u9078\u64c7\u8abf\u5149\u6280\u8853\uff1f<\/h2>\n<p data-path-to-node=\"24\">\u5728\u9078\u64c7\u8abf\u5149\u7cfb\u7d71\u6642\uff0c\u5fc5\u9808\u4ee5\u300c\u7d42\u7aef\u8ca0\u8f09\uff08\u71c8\u5177\u985e\u578b\uff09\u300d\u8207\u300c\u61c9\u7528\u5834\u666f\u300d\u4f5c\u70ba\u6700\u9ad8\u6c7a\u7b56\u539f\u5247\uff1a<\/p>\n<h3 data-path-to-node=\"25\">1. \u5efa\u8b70\u63a1\u7528\u300c\u5f8c\u6cbf\u8abf\u5149 (Trailing)\u300d\u7684\u5834\u666f\uff08LED \u6642\u4ee3\u9996\u9078\uff09<\/h3>\n<p data-path-to-node=\"26\">\u96a8\u8457 LED \u7167\u660e\u6280\u8853\u7684\u666e\u53ca\uff0c\u5f8c\u6cbf\u8abf\u5149\u5df2\u6210\u70ba\u5546\u696d\u7a7a\u9593\u8207\u9ad8\u7aef\u4f4f\u5b85\u7684\u4e3b\u6d41\u6a19\u6e96\u3002<\/p>\n<ul data-path-to-node=\"27\">\n<li>\n<p data-path-to-node=\"27,0,0\"><b data-path-to-node=\"27,0,0\" data-index-in-node=\"0\">\u5168 LED \u7167\u660e\u7cfb\u7d71<\/b>\uff1a\u78ba\u4fdd\u7121\u9583\u720d\u3001\u7121\u6ecb\u6ecb\u8072\u7684\u512a\u8cea\u7167\u660e\u9ad4\u9a57\u3002<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"27,1,0\"><b data-path-to-node=\"27,1,0\" data-index-in-node=\"0\">\u667a\u6167\u7167\u660e\u8207\u7cbe\u5bc6\u63a7\u5236<\/b>\uff1a\u8207\u6578\u4f4d\u5316\u63a7\u5236\u7cfb\u7d71\u76f8\u5bb9\u6027\u6700\u4f73\u3002<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"27,2,0\"><b data-path-to-node=\"27,2,0\" data-index-in-node=\"0\">\u9577\u6548\u71df\u904b\u5c08\u6848<\/b>\uff1a\u53ef\u6700\u5927\u5316\u4fdd\u8b77\u71c8\u5177\u8207\u8b8a\u58d3\u5668\uff0c\u964d\u4f4e\u9577\u671f\u7dad\u8b77\u8207\u66ff\u63db\u6210\u672c\u3002<\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"28\">2. \u5efa\u8b70\u63a1\u7528\u300c\u524d\u6cbf\u8abf\u5149 (Leading)\u300d\u7684\u5834\u666f<\/h3>\n<ul data-path-to-node=\"29\">\n<li>\n<p data-path-to-node=\"29,0,0\"><b data-path-to-node=\"29,0,0\" data-index-in-node=\"0\">\u50b3\u7d71\u7167\u660e\u4fdd\u7559\u5340<\/b>\uff1a\u5927\u91cf\u4f7f\u7528\u50b3\u7d71\u767d\u71be\u71c8\u6216\u9e75\u7d20\u71c8\u7684\u5834\u57df\u3002<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"29,1,0\"><b data-path-to-node=\"29,1,0\" data-index-in-node=\"0\">\u9ad8\u529f\u7387\u8ca0\u8f09\u9700\u6c42<\/b>\uff1a\u55ae\u4e00\u8ff4\u8def\u9700\u8981\u627f\u8f09\u6975\u9ad8\u74e6\u6578\u7684\u7279\u6b8a\u7167\u660e\u8a2d\u8a08\u3002<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"29,2,0\"><b data-path-to-node=\"29,2,0\" data-index-in-node=\"0\">\u9810\u7b97\u6975\u5ea6\u654f\u611f\u7684\u57fa\u790e\u5de5\u7a0b<\/b>\uff1a\u5728\u7121 LED \u76f8\u5bb9\u6027\u8003\u91cf\u4e0b\u7684\u4f4e\u6210\u672c\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<\/li>\n<\/ul>\n<hr data-path-to-node=\"30\" \/>\n<h2 data-path-to-node=\"31\">\u56db\u3001 \u5c08\u696d\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff08FAQ\uff09<\/h2>\n<p data-path-to-node=\"32\"><b data-path-to-node=\"32\" data-index-in-node=\"0\">Q1\uff1a\u70ba\u4ec0\u9ebc\u73fe\u4ee3 LED \u71c8\u5177\u4e0d\u5efa\u8b70\u642d\u914d\u524d\u6cbf\u8abf\u5149\u5668\u4f7f\u7528\uff1f<\/b><\/p>\n<p data-path-to-node=\"32\">\u524d\u6cbf\u8abf\u5149\u5728\u6ce2\u5f62\u5c0e\u901a\u77ac\u9593\u6703\u7522\u751f\u6975\u9ad8\u7684\u7a81\u6ce2\u96fb\u6d41\uff08Inrush Current\uff09\u3002\u7531\u65bc LED \u9a45\u52d5\u5668\u5167\u90e8\u5305\u542b\u5927\u91cf\u7cbe\u5bc6\u7684\u96fb\u5b50\u5143\u4ef6\uff0c\u9019\u7a2e\u77ac\u9593\u9ad8\u58d3\u885d\u64ca\u6975\u6613\u5c0e\u81f4 LED \u71c8\u5149\u9583\u720d\u3001\u7522\u751f\u9ad8\u983b\u96fb\u6d41\u566a\u97f3\uff0c\u751a\u81f3\u76f4\u63a5\u64ca\u7a7f\u4e26\u640d\u58de\u9a45\u52d5\u6676\u7247\u3002<\/p>\n<p data-path-to-node=\"33\"><b data-path-to-node=\"33\" data-index-in-node=\"0\">Q2\uff1a\u5f8c\u6cbf\u8abf\u5149 (Trailing) \u5728\u4efb\u4f55\u60c5\u6cc1\u4e0b\u90fd\u512a\u65bc\u524d\u6cbf\u8abf\u5149\u55ce\uff1f<\/b><\/p>\n<p data-path-to-node=\"33\">\u5728\u7d55\u5927\u591a\u6578\u7684 <b data-path-to-node=\"33\" data-index-in-node=\"35\">LED \u61c9\u7528\u5834\u666f<\/b>\u4e2d\uff0c\u5f8c\u6cbf\u8abf\u5149\u78ba\u5be6\u8868\u73fe\u8f03\u512a\u7570\u3002\u7136\u800c\uff0c\u82e5\u60a8\u7684\u5de5\u7a0b\u5c08\u6848\u662f\u4ee5\u300c\u9ad8\u529f\u7387\u50b3\u7d71\u71c8\u5177\u300d\u70ba\u4e3b\uff0c\u6216\u662f\u53d7\u5230\u6975\u56b4\u683c\u7684\u6210\u672c\u8207\u5b89\u88dd\u9ad4\u7a4d\u9650\u5236\uff0c\u524d\u6cbf\u8abf\u5149\u4ecd\u5177\u6709\u5176\u4e0d\u53ef\u53d6\u4ee3\u7684\u898f\u683c\u512a\u52e2\u3002<\/p>\n<p data-path-to-node=\"34\"><b data-path-to-node=\"34\" data-index-in-node=\"0\">Q3\uff1a\u5de5\u7a0b\u65bd\u5de5\u524d\uff0c\u5982\u4f55\u78ba\u8a8d\u71c8\u5177\u652f\u63f4\u54ea\u4e00\u7a2e\u76f8\u4f4d\u8abf\u5149\u6280\u8853\uff1f<\/b><\/p>\n<p data-path-to-node=\"34\">\u6700\u5b89\u5168\u7684\u505a\u6cd5\u662f\u76f4\u63a5\u67e5\u95b1 LED \u71c8\u5177\u6216\u8b8a\u58d3\u5668\uff08Driver\uff09\u4e0a\u7684\u7522\u54c1\u9298\u724c\u8207\u6280\u8853\u898f\u683c\u66f8\u3002\u591a\u6578\u5177\u5099\u8abf\u5149\u529f\u80fd\u7684\u73fe\u4ee3 LED \u9a45\u52d5\u5668\u6703\u660e\u78ba\u6a19\u793a\u652f\u63f4\u300cLeading\u300d\u6216\u300cTrailing\u300d\uff1b\u82e5\u7121\u660e\u78ba\u6a19\u793a\uff0c\u5efa\u8b70\u76f4\u63a5\u8aee\u8a62\u8a2d\u5099\u4f9b\u61c9\u5546\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u5339\u914d\u6027\uff0c\u907f\u514d\u5b8c\u5de5\u5f8c\u767c\u751f\u9583\u720d\u7570\u5e38\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u6cbf\u8abf\u5149 (Leading) \u8207\u5f8c\u6cbf\u8abf\u5149 (Trailing) \u7684\u539f\u7406\u5dee\u7570\u8207\u9078\u64c7\u6307\u5357 \u5728\u73fe\u4ee3\u7167\u660e\u63a7\u5236\u7cfb\u7d71\u4e2d\uff0c\u524d\u6cbf\u8abf\u5149\uff08Leading Edge\uff09\u8207\u5f8c\u6cbf\u8abf\u5149\uff08Trailing Edge\uff09\u662f\u6700\u6838\u5fc3\u7684\u5169\u7a2e\u76f8\u4f4d\u8abf\u5149\u6280\u8853\u3002\u5169\u8005\u4e3b\u8981\u5dee\u7570\u5728\u65bc\u4ea4\u6d41\u96fb\u6ce2\u5f62\u7684\u5207\u65b7\u6642\u6a5f\uff1a \u524d\u6cbf\u8abf\u5149 (Leading)\uff1a\u65bc\u4ea4\u6d41\u96fb\u6ce2\u5f62\u300c\u958b\u59cb\u6642\u65b7\u96fb\uff0c\u4e2d\u6bb5\u7a81\u7136\u5c0e\u901a\u300d\uff0c\u5bb9\u6613\u7522\u751f\u6975\u9ad8\u7684\u77ac\u9593\u7a81\u6ce2\u96fb\u6d41\uff08Inrush Current\uff09\uff0c\u9069\u5408\u50b3\u7d71\u9ad8\u529f\u7387\u7684\u767d\u71be\u71c8\u8207\u9e75\u7d20\u71c8\uff0c\u6210\u672c\u8f03\u4f4e\u3002 \u5f8c\u6cbf\u8abf\u5149 (Trailing)\uff1a\u65bc\u4ea4\u6d41\u96fb\u6ce2\u5f62\u300c\u4e00\u958b\u59cb\u5373\u5c0e\u901a\uff0c\u4e2d\u6bb5\u5e73\u7de9\u95dc\u9589\u300d\uff0c\u96fb\u6d41\u8b8a\u5316\u67d4\u9806\u4e14\u5c0d\u96fb\u5b50\u96f6\u4ef6\u58d3\u529b\u5c0f\uff0c\u904b\u4f5c\u975c\u97f3\uff0c\u662f\u73fe\u4ee3 LED \u7167\u660e\u7cfb\u7d71\u8207\u7cbe\u5bc6\u667a\u6167\u63a7\u5236\u8a2d\u5099\u7684\u512a\u5148\u9078\u64c7\u3002 \u4e00\u3001 \u8abf\u5149\u6280\u8853\u539f\u7406\u6df1\u5ea6\u89e3\u6790\uff1a\u6ce2\u5f62\u8207\u96fb\u6d41\u7279\u6027 \u7406\u89e3\u8abf\u5149\u6280\u8853\u7684\u6838\u5fc3\uff0c\u5728\u65bc\u89c0\u5bdf\u4ea4\u6d41\u96fb\uff08AC\uff09\u6b63\u5f26\u6ce2\u9031\u671f\u4e2d\u7684\u5be6\u969b\u8f38\u51fa\u96fb\u529b\uff08\u5c0e\u901a\u5340\u9593\uff09\u72c0\u614b\u3002 1. \u524d\u6cbf\u8abf\u5149\uff08Leading\uff09\u7684\u5de5\u4f5c\u539f\u7406 \u524d\u6cbf\u8abf\u5149\u7684\u904b\u4f5c\u6a5f\u5236\u662f\u5728\u6bcf\u4e00\u500b\u4ea4\u6d41\u96fb\u6ce2\u5f62\u7684\u521d\u59cb\u968e\u6bb5\u5207\u65b7\u96fb\u6d41\uff0c\u76f4\u5230\u6ce2\u5f62\u904b\u884c\u81f3\u4e2d\u6bb5\u6642\u624d\u77ac\u9593\u958b\u555f\uff08Sudden Turn ON\uff09\u3002 \u7269\u7406\u7279\u6027\uff1a\u9019\u7a2e\u5f9e\u7121\u5230\u6709\u7684\u5287\u70c8\u5207\u63db\uff0c\u6703\u7522\u751f\u6975\u9ad8\u7684\u77ac\u9593\u7a81\u6ce2\u96fb\u6d41\uff08Inrush Current\uff09\u3002 \u5c0d\u786c\u9ad4\u7684\u5f71\u97ff\uff1a\u96fb\u6d41\u885d\u64ca\u8f03\u5927\uff0c\u5c0d\u5f8c\u7aef\u9023\u63a5\u7684\u96fb\u5b50\u5143\u4ef6\u6703\u7522\u751f\u77ac\u9593\u7684\u9ad8\u58d3\u8ca0\u8f09\u3002 2. \u5f8c\u6cbf\u8abf\u5149\uff08Trailing\uff09\u7684\u5de5\u4f5c\u539f\u7406 \u5f8c\u6cbf\u8abf\u5149\u63a1\u7528\u76f8\u53cd\u7684\u908f\u8f2f\uff0c\u5728\u6ce2\u5f62\u7684\u521d\u59cb\u968e\u6bb5\u5c31\u4fdd\u6301\u901a\u96fb\u72c0\u614b\uff0c\u76f4\u5230\u6ce2\u5f62\u904b\u884c\u81f3\u4e2d\u6bb5\u6642\u624d\u57f7\u884c\u5e73\u6ed1\u95dc\u9589\uff08Sudden Turn OFF\uff0c\u4f46\u96fb\u6d41\u70ba\u7de9\u964d\uff09\u3002 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