微网系统不平衡电压补偿控制策略

SHI Yong

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微网系统不平衡电压补偿控制策略

更新时间：2025-08-13

- 微网系统不平衡电压补偿控制策略
- Automation of Electric Power Systems Vol. 41, Issue 23, Pages: 96-102(2017)
- 作者机构：
  
  合肥工业大学电气与自动化工程学院,安徽省,合肥市,230009
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2017
- 稿件说明：
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SHI Yong. [J]. Automation of electric power systems, 2017, 41(23): 96-102.
DOI：

SHI Yong. [J]. Automation of electric power systems, 2017, 41(23): 96-102. DOI：

摘要

微网系统中负荷不平衡会造成系统中电压的不平衡，影响微网系统的供电质量。针对这一问题，文中首先介绍了微网系统逆变器的控制方法，然后基于下垂控制，分析了微网系统电压不平衡的原因。为保证微网逆变器端口和公共耦合点电压能同时满足供电质量标准的要求，提出一种采用微网中储能逆变器对逆变器端口和微网公共耦合点不平衡电压进行同时补偿的控制策略，对所提补偿策略进行了详细的阐述，最后通过仿真和实验分析验证了所提方法的有效性。

Abstract

Load unbalance in the microgrid can lead to voltage unbalance

which will reduce the power supply quality of the microgrid. To solve this problem

this paper firstly describes the microgrid inverter control method. Then the reason of voltage unbalance in the microgrid is analyzed based on the droop control. To ensure the voltage quality can meet the power supply standard requirements at the microgrid inverter output port and the point of common coupling

an energy storage inverter based unbalance voltage compensation method is proposed

which can simultaneously compensate the unbalance voltage at the inverter output port and the point of common coupling. The proposed strategy is described in details and its performance is verified by simulation in the MATLAB/Simulink software environment and the experiments on the microgrid experimental platform.

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