Design on Input Filter of AC Chopping Reactive Power Compensator

WANG Yinzhong; MU Xianmin; XU Kang

doi:10.14044/j.1674-1757.pcrpc.2016.03.005

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Design on Input Filter of AC Chopping Reactive Power Compensator

更新时间：2024-09-14

- Design on Input Filter of AC Chopping Reactive Power Compensator
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 37, Issue 3, Pages: 19-23(2016)
- 作者机构：
  
  大连理工大学电气工程学院
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2016.03.005
  CLC： TM761.12;TN713
- Published：2016，
- 稿件说明：
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[1]王银忠,牟宪民,许康.交流斩波型无功补偿器的输入滤波器设计[J].电力电容器与无功补偿,2016,37(03):19-23.

WANG YINZHONG, MU XIANMIN, XU KANG. Design on Input Filter of AC Chopping Reactive Power Compensator. [J]. Power capacitor & reactive power compensation, 2016, 37(3): 19-23.
[1]王银忠,牟宪民,许康.交流斩波型无功补偿器的输入滤波器设计[J].电力电容器与无功补偿,2016,37(03):19-23. DOI： 10.14044/j.1674-1757.pcrpc.2016.03.005.

WANG YINZHONG, MU XIANMIN, XU KANG. Design on Input Filter of AC Chopping Reactive Power Compensator. [J]. Power capacitor & reactive power compensation, 2016, 37(3): 19-23. DOI： 10.14044/j.1674-1757.pcrpc.2016.03.005.

摘要

为了使交流斩波型无功补偿器输出正弦的无功补偿电流

针对交流斩波器谐波次数较高的特点

采用二阶LC滤波器达到滤除高次谐波的目的。提出1种交流斩波电路输入滤波器的改进设计方法

根据系统的无功功率补偿等级

确定电容器参数

从无功补偿能力和补偿电流THD 2个角度

设计电感参数

与通过LC滤波器截止频率确定的补偿范围取交集限定LC参数

使滤波器兼顾无功补偿和滤除高频谐波的能力。仿真和实验结果验证了该优化方法的可行性和有效性。

Abstract

For keeping AC chopping reactive power compensator output sine reactive power compensation current and as for the high harmonic order of AC chopper

the second order LC filter is adopted for the purpose of filtering higher harmonic. In this paper

the improvement design method for a kind of AC chopping circuit input filter is proposed

the parameters of capacitor is defined firstly in accordance with compensation grade of reactive power compensation of system

the inductance parameter is designed from both points of the reactive power compensation ability and compensation current THD

and the parameters of LC is limited through taking intersection in accordance with the compensation range defined by the cutoff frequency of LC filter

keeping the filter combine the ability of both reactive power compensation and high frequency harmonic elimination. The feasibility and efficiency of the optimized method are verified by the simulation and experimental result.

关键词

交流斩波无功补偿输入LC滤波器

Keywords

AC choppingreactive power compensationinput LC filter

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