Study on Control Strategy of Single Phase SVG Based on Quasi-PR Control

doi:10.14044/j.1674-1757.pcrpc.2017.03.010

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Study on Control Strategy of Single Phase SVG Based on Quasi-PR Control

更新时间：2024-09-14

- Study on Control Strategy of Single Phase SVG Based on Quasi-PR Control
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 38, Issue 3, Pages: 55-59(2017)
- 作者机构：
  
  1. 南瑞集团公司(国网电力科学研究院)
  2. 国网山西省电力公司运城供电公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2017.03.010
  CLC： TM761.12
- Published：2017，
- 稿件说明：
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[1]孙浩,钱江,张伟,李鹏,燕翚,赵瑞斌.基于准比例谐振控制的单相SVG控制策略研究[J].电力电容器与无功补偿,2017,38(03):55-59.

Study on Control Strategy of Single Phase SVG Based on Quasi-PR Control. [J]. Power capacitor & reactive power compensation, 2017, 38(3): 55-59.
[1]孙浩,钱江,张伟,李鹏,燕翚,赵瑞斌.基于准比例谐振控制的单相SVG控制策略研究[J].电力电容器与无功补偿,2017,38(03):55-59. DOI： 10.14044/j.1674-1757.pcrpc.2017.03.010.

Study on Control Strategy of Single Phase SVG Based on Quasi-PR Control. [J]. Power capacitor & reactive power compensation, 2017, 38(3): 55-59. DOI： 10.14044/j.1674-1757.pcrpc.2017.03.010.

摘要

针对电力系统单相冲击性负荷的无功及谐波补偿需求

提出了一种单相SVG的控制策略

包括瞬时电流波形检测算法和基于改进比例谐振控制电流跟踪算法。瞬时电流波形检测算法能够快速准确地检测负荷电流的无功电流和谐波电流

具有延时小、受频差和电压畸变影响小等特点。改进比例谐振控制是基于谐振控制算法

针对各次谐波精确制造谐振控制回路对各主要次谐波进行精确补偿。利用PSCAD/EMTDC电磁暂态仿真程序搭建单相SVG模型

对常规PI控制和改进准比例谐振控制的控制性能进行了试验对比

仿真结果验证了改进准比例谐振控制对基波无功电流和各次谐波电流的良好的跟踪性能。

Abstract

As for the need of reactive power and harmonic compensation of single phase shock load of power system

a kind of single phase SVG control strategy is proposed

including transient current detection algorithm and current tracking control strategy based on the improved quasi-PR control. The transient current detection algorithm can detect quickly and accurately both the reactive and harmonic current of the load current and have such features small time delay and small influence from frequency offset and voltage distortion. The modification of proportional-resonance control is based on resonance control algorithm;the resonance control circuit is made accurately for each order harmonics to perform accurate compensation of each main harmonic to perform test and comparison of conventional PI control and improved quasi-PR control. The perfect tracking performance of the improved quasi-PR control to the foundation wave reactive power current and each harmonic current is verified by the simulation result.

关键词

单相SVG瞬时电流波形跟踪准比例谐振控制

Keywords

single phase SVGtransient current tracingquasi-PR control method

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Related Author

SUN-Hai

Related Institution

School of Electrical and Electronic Engineering,North China Electronic Power University

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