To reduce the component counts and the cost, the single-stage power factor correction (PFC) techniques have attracted more and more attention.
在低功率应用中，为了减少器件和成本，单级功率因数校正(PFC)技术越来越受到人们的关注。
Passive Power factor correction circuit, two-stage and single-stage APFC circuits are researched, which applications are given by comparison of their performance.
对无源pfc电路、有源两级PF c电路和有源单级PF C电路进行了分析及性能比较，指出它们分别适用的场合。
Firstly this paper introduces the principles and methods of power factor correction technology, and single-stage power factor correction techniques are analyzed and compared.
本文首先介绍了功率因数校正技术的基本原理和基本方法，对单级功率因数校正技术的现状进行了分析和对比。
Firstly this paper introduces the principles and methods of power factor correction technology, and single-stage power factor correction techniques are analyzed and compared.
本文首先介绍了功率因数校正技术的基本原理和基本方法，对单级功率因数校正技术的现状进行了分析和对比。
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