多虚拟同步发电机独立微网的多目标分布式二次控制方法

黄敏灵; 程静; 胡健雄

doi:10.19725/j.cnki.1007-2322.2023.0067

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多虚拟同步发电机独立微网的多目标分布式二次控制方法

智能电网 | 更新时间：2025-10-13

- 多虚拟同步发电机独立微网的多目标分布式二次控制方法
- Multi-objective Distributed Secondary Control Method for Multi-VSG Independent Microgrid
- 现代电力 2025年42卷第2期页码：256-262
- 作者机构：
  
  1.新疆大学电气工程学院, 新疆维吾尔自治区乌鲁木齐市 830047
  2.可再生能源发电与并网控制教育部工程研究中心, 新疆维吾尔自治区乌鲁木齐市 830047
- 作者简介：
  
  [ "黄敏灵(1996)，男，硕士研究生，研究方向为电力电子与电力传动，E-mail：2810196596@qq.com" ]
  [ "程静(1980)，女，博士，副教授，通信作者，研究方向为新能源发电与并网控制，E-mail：157511515@qq.com" ]
  [ "胡健雄(1997)，男，硕士研究生，研究方向为新能源发电与并网控制技术，E-mail：1375083368@qq.com" ]
- 基金信息：
  
  新疆维吾尔自治区重大科技专项(2022A01001-4)；国家自然科学基金资助项目(52267005)。
- DOI：10.19725/j.cnki.1007-2322.2023.0067
  中图分类号： TM73
- 收稿：2023-02-27，
  
  录用：2023-08-06，
  
  纸质出版：2025-04-10
- 稿件说明：
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黄敏灵, 程静, 胡健雄. 多虚拟同步发电机独立微网的多目标分布式二次控制方法[J]. 现代电力, 2025,42(2):256-262.

Minling HUANG, Jing CHENG, Jianxiong HU. Multi-objective Distributed Secondary Control Method for Multi-VSG Independent Microgrid[J]. Modern electric power, 2025, 42(2): 256-262.
黄敏灵, 程静, 胡健雄. 多虚拟同步发电机独立微网的多目标分布式二次控制方法[J]. 现代电力, 2025,42(2):256-262. DOI： 10.19725/j.cnki.1007-2322.2023.0067.

Minling HUANG, Jing CHENG, Jianxiong HU. Multi-objective Distributed Secondary Control Method for Multi-VSG Independent Microgrid[J]. Modern electric power, 2025, 42(2): 256-262. DOI： 10.19725/j.cnki.1007-2322.2023.0067.

摘要

当由多虚拟同步发电机(virtual synchronous generator

VSG)组成的电网遭受外部扰动时，传统的VSG控制会引起频率电压的偏移、无功功率均分精度低以及有功功率振荡等问题，容易引发系统的过载和失稳。针对以上问题，首先，分析了VSG的下垂特性和功率振荡的原因，然后，提出了一种多目标协调的二次控制策略，利用有功功率的一致性频率恢复控制策略，自适应调节有功功率的参考值，实现频率恢复和有功功率的精确比例均分；利用无功功率的一致性和平均电压恢复控制策略，自适应补偿电压，实现电压恢复和无功功率的精确比例均分。最后，通过仿真验证了该控制策略的有效性和鲁棒性。

Abstract

When a power grid composed of multiple virtual synchronous generators (abbr. VSGs) experiences external disturbances

traditional VSG control can lead to issues such as frequency and voltage deviations

low accuracy in reactive power sharing

and active power oscillations

which can easily cause system overload and instability. To address these problems

firstly

the droop characteristics and reasons for power oscillations of VSGs were analyzed. Secondly

a multi-objective coordinated secondary control strategy was proposed. In this strategy

the consistency frequency restoration control strategy for active power was used to adaptively adjust the reference value of active power to achieve frequency restoration and accurate proportional sharing of active power

the consistency and average voltage restoration control strategy for reactive power was used to adaptively compensate for voltage to achieve voltage restoration and accurate proportional sharing of reactive power. Finally

the effectiveness and robustness of this control strategy are verified through simulation.

关键词

Keywords

references

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