功率因数校正技术作为雷达电源系统的一项关键技术应用到开关电源中 ,有利于电源技术指标的提高 ,对雷达供电系统的有效运行带来很大的益处 ,越来越成为电源行业研究的热点。介绍了功率因数校正技术的发展和特点 ,分析了平均电流型技术 ,给出了 110 0W开关电源前级的功率因数校正电路的设计方法和实验结果

As a key technology for the Radar power supply system,the power factor correction technology is applied to the switching power , supply to improve the performance of the power, supply and make the Radar power supply system work well. Now it is a hotspot in the research of power supply. Main characteristics and development of PFC are described. Combined with experience,the average current type of PFC is analyzed. The design method and experimental results of a pre-stage PFC circuit of 1 100 W switching power supply are given.

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