Page 74 - 《中国电力》2026年第4期

第 59 卷 第 4 期 Vol. 59, No. 4
2026 年 4 月 ELECTRIC POWER Apr. 2026

引用格式：徐涛, 李互刚, 杨龙雨. 基于交叉支路增强 VSG 控制的谐波抑制策略[J]. 中国电力, 2026, 59(4): 70−78.
Citation: XU Tao, LI Hugang, YANG Longyu. Harmonic suppression strategy based on cross-branch enhanced VSG control[J]. Electric Power,
2026, 59(4): 70−78.

基于交叉支路增强 VSG 控制的谐波抑制策略

徐涛，李互刚，杨龙雨
(国网宁夏电力有限公司石嘴山供电公司，宁夏 石嘴山 753400)

Harmonic suppression strategy based on cross-branch enhanced VSG control

XU Tao, LI Hugang, YANG Longyu
(Shizuishan Power Supply Company of State Grid Ningxia Electric Power Company, Shizuishan 753400, China)

Abstract: The multi-node distribution station area after a large Keywords: virtual synchronous generator; harmonic suppre-
number of new energy power generation equipment is ssion; multi-node grid
connected faces the practical problem of poor current and
power quality. At the same time, the deployment of grid- 摘 要：大量新能源发电设备接入后，多节点配电台区
connected converters dominated by virtual synchronous 面临电流电能质量差的实际问题。同时虚拟同步发电机
generator (VSG) ignores the problem of current and power （virtual synchronous generator，VSG）主导的构网型变流器
quality. Therefore, in order to maintain the VSG characteristics 部署却忽略了电流电能质量问题。因此，为在保持 VSG
and increase the current harmonic suppression ability, this 特性的同时增加电流谐波抑制能力，提出了一种增强型
paper proposes an enhanced VSG control strategy. Firstly, the VSG 控制策略。首先，分析多 VSG 联合运行时交流电网
interaction mechanism of electrical angle and voltage between 与 VSG 电角度和电压的交互机理；其次，提出引入交叉
AC grid and VSG in multi-VSG joint operation is analyzed. 反馈支路的 VSG 控制方法，通过频率-无功功率支路和电
Secondly, the VSG control with cross feedback branch is 压-有功功率支路实现波动补偿，且不影响系统惯性特性；
proposed. This method proposes a frequency-reactive power 最后，搭建了 IEEE-69 网络模拟配电台区，并设置了 6 个
branch and a voltage-active power branch to compensate for VSG。实验结果表明：增强型 VSG 能够为系统提供惯性
fluctuations without affecting the inertial characteristics of the 和 阻 尼 支 撑 。 与 传 统 VSG 相 比 ， 电 流 总 谐 波 失 真 降 低
system. Finally, the IEEE-69 network simulation distribution 64.2%~83.8%，能够有效抑制传统 VSG 产生的谐波对配电
station area is built, and 6 VSGs are set up. The experimental 网的影响。
results show that the enhanced VSG can provide inertial and 关键词：虚拟同步发电机；谐波抑制；多节点电网
damping support for the system. The quantitative results show DOI：10.11930/j.issn.1004-9649.202505013

that compared with the traditional VSG, the total harmonic
distortion of the current is reduced by 64.2%~83.8%, which can
0 引言
effectively suppress the influence of the harmonics generated
by the traditional VSG on the distribution network.
随着新能源转型速度加快，海量新能源并网
This work is supported by National Science and Technology
使得电力系统缺乏同步机带来的惯性，呈现高度
Major Project (No.2022ZD0116900) and State Grid Ningxia
电力电子化 [1-6] 。虚拟同步发电机（virtual synchr-
Electric Power Co., Ltd. Technology Project (No.5229SZ
230003). onous generator，VSG）控制的构网型变换器（grid-
forming converter，GFC）能够为高度电力电子化电
收稿日期：2025−05−12； 修回日期：2026−02−27。 力系统带来惯性支撑 [7-12] 。VSG 运行时极易产生 5 次
基金项目：新一代人工智能国家科技重大专项（2022ZD 和 7 次等低次谐波 [13-16] 。研究面向 VSG 接入多节
0116900）；国家电网宁夏电力有限公司科技项目（5229SZ 点配电网的谐波治理技术具有一定的学术价值。
230003）。 多组 VSG 协同运行的稳态特性分析需要建立

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