含LCL滤波器的静止同步补偿器改进控制方法

WANG Cunping; YIN Xianggen; ZHANG Zhe; WEN Minghao; TANG Ping; ZHANG Xin

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含LCL滤波器的静止同步补偿器改进控制方法

更新时间：2025-08-13

- 含LCL滤波器的静止同步补偿器改进控制方法
- Automation of Electric Power Systems Vol. 36, Issue 19, Pages: 94-98(2012)
- 作者机构：
  
  强电磁工程与新技术国家重点实验室，华中科技大学,湖北省,武汉市,430074
- 作者简介：
- 基金信息：
- DOI：
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- Published：2012
- 稿件说明：
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WANG Cunping, YIN Xianggen, ZHANG Zhe, et al. [J]. Automation of electric power systems, 2012, 36(19): 94-98.
DOI：

WANG Cunping, YIN Xianggen, ZHANG Zhe, et al. [J]. Automation of electric power systems, 2012, 36(19): 94-98. DOI：

摘要

在含有LCL滤波器的静止同步补偿器（STATCOM）中，传统以逆变器侧电流直接反馈控制的策略没有考虑滤波电容支路上电流的影响，造成STATCOM无功补偿能力下降。文中提出了由STATCOM逆变器侧电流估算其注入电网电流的方法，并将计算得到的STATCOM注入电网电流与指令电流进行比较控制，以减小电容支路电流的影响，从而提高了STATCOM的无功补偿能力，分析了该控制方法的稳定性，并进行了仿真研究。仿真结果验证了所提方法的正确性与优越性。

Abstract

In a static synchronous compensator（STATCOM） with LCL filter， the traditional control method by using inverter-side current as feedback does not consider the impact of the filter capacitor current， thus the reactive power compensation ability of STATCOM declines. To solve this problem， a method to calculate the STATCOM network-side current by using the inverter-side current is proposed.By using the calculated network-side current compared with the reference current as feedback， the impacts of the filter capacitor current is reduced， and the reactive power compensation ability of STATCOM is improved. The stability of the control system is analyzed， and a simulation model is established. Simulation results show that the proposed control method is correct and superior.

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