基于单位功率因数控制策略的单相有源滤波，去掉非线性负载部分即为单相全控整流。
Based on the unity power factor control strategy of single-phase active power filter, remove the part of non-linear load is the single-phase full-controlled rectifier.
本文对基于单位功率因数的谐波电流检测方法进行了改进，用移动窗积分法取代检测中常用的低通滤波器。
This paper improved the harmonic current detection method based on UPF (unity power factor), using the slipped window integral to replace the LPF (low pass filter).
基于双向变流器技术的蓄电池充放电装置具有充电和放电功能，同时实现了网侧电流正弦化及单位功率因数，因而减少了对电网的谐波和无功污染。
The device for battery charge or discharge based on the technology of bidirectional converter can be used in charging or discharging battery, and realize sine wave of ac and unity power factor.
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