基于集成芯片与FPGA控制系统的大功率同步整流电源应用研究  

Research and Design of Sysnchronous Ectifier in High-Power High- Frenquency Switching Power Supply based on UC3879 and FPGA

作　　者：张兴旺 朱钧鸿 赖前程 

机构地区：[1]中国电器科学研究院有限公司,广东广州510300 [2]广东工业大学,广东广州510006

出　　处：《电源技术应用》2015年第3期12-16,共5页Power Supply Technologles and Applications

摘　　要：研究了用于低压大电流场合的大功率高频开关电源同步整流器拓扑结构及控制时序，介绍了全桥移相式PWM控制器UC3879和可编程逻辑器件FPGA进行了30kW的大功率开关电源的设计。实验结果表明，研发的电源系统能稳定运行；采用同步整流技术的大功率开关电源具有很高的效率从而节能。The topology structure and timing control scheme of High-Power Phase-Shift Full Bridge Zero Voltage Switch Synchronous Rectifier （PSPB - ZVS - SR） are studied,A control platform by adopting the phase shift PWM soft switch control chip UC3879 and complex programmable logic device FPGA collaborative control are introduce. This paper designs a 30kW experimental prototype system is designde, which is proved to be with the characteristics of high power and high efficiency through experimental waveforms provided in the practical testing.

关 键 词：开关电源 全桥移相 同步整流 UC3879 FPGA 

分 类 号：TM46[电气工程—电器]