One Cycle Control Active Power Filter Based on Harmonic Error Compensation

ZHANG Yong; YAN Hongfeng

doi:10.14044/j.1674-1757.pcrpc.2016.04.002

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One Cycle Control Active Power Filter Based on Harmonic Error Compensation

更新时间：2024-09-14

- One Cycle Control Active Power Filter Based on Harmonic Error Compensation
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 37, Issue 4, Pages: 7-12(2016)
- 作者机构：
  
  江苏金智科技股份有限公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2016.04.002
  CLC： TM761
- Published：2016，
- 稿件说明：
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[1]张勇,严洪峰.基于谐波误差补偿的单周控制有源电力滤波器[J].电力电容器与无功补偿,2016,37(04):7-12.

ZHANG YONG, YAN HONGFENG. One Cycle Control Active Power Filter Based on Harmonic Error Compensation. [J]. Power capacitor & reactive power compensation, 2016, 37(4): 7-12.
[1]张勇,严洪峰.基于谐波误差补偿的单周控制有源电力滤波器[J].电力电容器与无功补偿,2016,37(04):7-12. DOI： 10.14044/j.1674-1757.pcrpc.2016.04.002.

ZHANG YONG, YAN HONGFENG. One Cycle Control Active Power Filter Based on Harmonic Error Compensation. [J]. Power capacitor & reactive power compensation, 2016, 37(4): 7-12. DOI： 10.14044/j.1674-1757.pcrpc.2016.04.002.

摘要

单相全桥电路拓扑是单相并联型有源电力滤波器的一种常用拓扑。采用传统的双极性调制单周控制的全桥电路可以将电网电流的总谐波畸变率从85.25%减少到11.94%。由于非线性负载峰值充电电流变化率很高

而有源电力滤波器的补偿电流无法及时变化

导致了电网电流仍含有一定的谐波分量。本文采用谐波误差补偿方法来进一步减少电网电流的总谐波畸变率。分析了补偿原理并提出了实现方法。仿真结果验证了该方案能够提高补偿的静态性能与动态性能。

Abstract

Single-phase full-bridge circuit topology is a common topology for single-phase shunt active power filter（APF in short）. The total harmonic distortion of grid current can be reduced from 85.25% to11.94% by the use of full-bridge circuit controlled by traditional bipolar modulation one cycle control. A definite harmonic component is included in the grid current due to very high variation of non-linear load peak charging current and slow variation of compensation current of active power filter. In this paper

the total harmonic distortion rate of grid current is reduced further by way of harmonic error compensation. The compensation principle is analyzed and achievement method is proposed. It is proved by the simulation result that the solution can improve both static and dynamic performance of the compensation.

关键词

有源电力滤波器单相全桥变流器单周控制谐波误差补偿

Keywords

active power filtersingle-phase full-bridge converterone cycle controlharmonic error compensation

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