摘要
自激式反激变换器电路结构简单、高效可靠、成本低,对输入电压的变化有较好的适应能力。提出了一种基于电流型RCC电路的调光LED驱动电源,系统由EMI滤波电路、整流电路、π型滤波电路、无源泄放电路、自激振荡电路、振荡控制电路以及输出电路组成,具有短路与断路保护功能,且与TRIAC调光器兼容性好,效率高,实际应用效果良好。
The self-excited flyback converter has the advantages of simple circuit structure,high efficiency,reliability,low cost and good adaptability to the change of the input voltage. A dimming LED driving power supply based on current mode RCC circuit is proposed. The system consists of EMI filter circuit,rectifier circuit,π type filter circuit,passive discharge circuit,self-excited oscillation control circuit and output circuit. It has the functions of short circuit and open circuit protection,and has the advantages of good compatibility with the TRIAC dimmer,high efficiency and good practical application.
作者
李浩
蒋承杰
孙美艳
许华荣
秦碧芳
LI Hao JIANG Chengjie SUN Meiyan XU Huarong QIN Bifang(School of Electrical Engineering and Automation, Xiamen University of Technology, Xiamen Fujian 361024, China School of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang Hebei 050000, China Xiamen Topstar Lighting Co. , Ltd. Xiamen Fujian 361024, China)
出处
《盐城工学院学报(自然科学版)》
CAS
2017年第2期32-37,共6页
Journal of Yancheng Institute of Technology:Natural Science Edition