本文介绍了PFC软开关技术的类型,并进行了特性对比,重点对安全性较高的无源无损电路进行分析和应用评估。%This paper introduces the several models of PFC soft-switching technologies, and compares their characteristics. It mainly introduces the passive lossless circuit which is of high security, and the relative analysis and application evaluation are done.
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