...世纪80年代开始，将开关变换器技术应用到改善电流波形和提高功率因数上来， 2研发了功率因数校正（Power Factor Correction PFC）这项新技术。
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pfc power factor correction 功率因数校正
Zero current transition (ZCT) topology of the single switch three phase boost power factor correction (PFC) rectifier is proposed.
提出了一种零电流开关结构的单开关管的三相升压功率因数校正整流器。
Power factor correction (PFC) technique based on SEPIC converter is researched in this paper.
本文对基于SEPIC变换器的功率因数校正技术进行了研究。
The new approaches for charge pump power factor correction (PFC), digital PFC and on - line UPS with PFC are introduced.
介绍了充电泵功率因数校正（PFC）、数字PFC和带PFC的在线UPS的几种新方法。
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