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Abstract:
提出一种基于反激变换器的低纹波发光二极管(LED)驱动电路拓扑及其控制策略。该电路由反激变换器和Buck变换器组成,反激变换器主输出与Buck变换器输出并联为LED负载供电。通过调节Buck变换器输出电流低频纹波,使其与反激变换器主输出的低频电流纹波等幅反相,抑制了LED电流低频纹波,实现了LED无频闪工作。通过仿真和实验验证了该方案的合理性和可行性。
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电力电子技术
ISSN: 1000-100X
CN: 61-1124/TM
Year: 2016
Issue: 11
Volume: 50
Page: 75-77
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 1