参与微电网调频的电动汽车虚拟同步机充放电控制策略

LIU Qihui

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参与微电网调频的电动汽车虚拟同步机充放电控制策略

更新时间：2025-08-13

- 参与微电网调频的电动汽车虚拟同步机充放电控制策略
- Automation of Electric Power Systems Vol. 42, Issue 9, Pages: 171-179(2018)
- 作者机构：
  
  新能源电力系统国家重点实验室(华北电力大学),北京市,102206
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2018
- 稿件说明：
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LIU Qihui. [J]. Automation of electric power systems, 2018, 42(9): 171-179.
DOI：

LIU Qihui. [J]. Automation of electric power systems, 2018, 42(9): 171-179. DOI：

摘要

针对两级双向充/放电机，提出一种接入微电网的电动汽车充电控制策略。首先，将虚拟同步机控制技术应用于前级AC/DC控制，引入虚拟惯量、阻尼和虚拟励磁，使得充电机具有与同步机类似的惯性阻尼特性和电压调节特性。然后，重点设计了辅助调频控制算法，根据考虑电动汽车的负载有功功率—频率特性曲线计算“功率参考值修正量”，改变电动汽车的充/放电功率参考值，使得电动汽车参与微电网一次、二次调频。基于MATLAB/Simulink仿真平台搭建有电动汽车接入的微电网模型，算例验证表明，所提出的控制策略能够在实现电动车与电网的双向功率交互的同时为微电网提供惯量、阻尼、电压和频率支撑，实现了对独立模式下微电网频率的无差调节，提高了微电网动态稳定性。

Abstract

For the two levels of two-way charging machine

a kind of charge/discharge control strategy is proposed based on the virtual synchronous machine(VSM)in microgrid. First of all

the VSM is applied to control the first-level AC/DC converter

while introducing the virtual inertia

damping and excitation to make the charging machine possess the same operation characteristics as the synchronous machine. Secondly

an auxiliary frequency modulation algorithm is designed by using the active power-frequency operation curve to calculate the “correction of the active power reference” and change the power reference

which makes electrical vehicles participate in the primary and secondary frequency regulation of microgrid. Based on the MATLAB/Simulink

the microgrid model with electrical vehicles is developed. The results show that electric vehicles controlled by the proposed strategy can transmit electricity to the power system

which supports the inertia

damping

voltage and frequency

realizes the non-differential regulation of frequency in microgrid at independent mode

and improves the dynamic stability of microgrid.

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