有源电力滤波器电源电流直接控制改进方法

QIU Yinfeng; LIANG Zhishan; WEI Xueliang

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有源电力滤波器电源电流直接控制改进方法

更新时间：2025-08-13

- 有源电力滤波器电源电流直接控制改进方法
- Automation of Electric Power Systems Vol. 36, Issue 24, Pages: 79-83(2012)
- 作者机构：
  
  中国石油大学北京地球物理与信息工程学院,北京市,102249
- 作者简介：
- 基金信息：
- DOI：
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- Published：2012
- 稿件说明：
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QIU Yinfeng, LIANG Zhishan, WEI Xueliang. [J]. Automation of electric power systems, 2012, 36(24): 79-83.
DOI：

QIU Yinfeng, LIANG Zhishan, WEI Xueliang. [J]. Automation of electric power systems, 2012, 36(24): 79-83. DOI：

摘要

提出一种改进的有源电力滤波器（APF）的电源电流直接控制方法。通过检测负载电流，利用负载电流检测结果进行前馈补偿校正并提取其中的有功电流作为APF控制器的参考值。同时，通过电网电压前馈和系统解耦，把电源电流直接控制的APF数学模型简化成一阶惯性环节。相对于把负载电流作为干扰不进行检测的电源电流直接控制方法，所述方法的比例 — 积分控制器在理论上就能做到无静差跟踪，并且具有更好的动态响应。仿真和实验证明了所提方法的优越性。

Abstract

An improved supply current direct control scheme of active power filter（APF） is proposed. By detecting load current， the detect result can be used to feed-forward and extract the active load current as reference value for the APF controller. By using grid voltage feed-forward and system decoupling， the mathematical model is simplified to a first-order inertia model. The proportional-integral（PI） controller can track the reference value with no state error in contrast to the supply current direct control scheme of APF without load current detecting and have a better dynamic response. Simulation and experimental results show the correctness of the method.

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