Research Progress of High Frequency Oscillation in MMC-HVDC

YANG Shiqi; LIU Kaipei; QIN Liang; ZHOU Tinghui; ZHU Shu; HONG Chao

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Research Progress of High Frequency Oscillation in MMC-HVDC

更新时间：2025-12-08

- Research Progress of High Frequency Oscillation in MMC-HVDC
- Vol. 47, Issue 10, Pages: 3485-3496(2021)
- 作者机构：
  
  1. 武汉大学电气与自动化学院
  2. 南方电网科学研究院有限责任公司
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：31 October 2021，
  
  Published：2021
- 稿件说明：
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YANG Shiqi, LIU Kaipei, QIN Liang, et al. Research Progress of High Frequency Oscillation in MMC-HVDC[J]. 2021, 47(10): 3485-3496.
DOI：

YANG Shiqi, LIU Kaipei, QIN Liang, et al. Research Progress of High Frequency Oscillation in MMC-HVDC[J]. 2021, 47(10): 3485-3496. DOI：

摘要

基于模块化多电平换流器(modular multilevel converter

MMC)的高压直流(high voltage direct current

HVDC)输电工程在近年来出现了多起高频谐振事件:2015年西班牙–法国联网工程发生了频段在1.6kHz的高频谐振事件;2017年鲁西背靠背工程广西侧电压和电流出现1271Hz左右的高频分量;2018年渝鄂工程鄂侧和渝侧分别出现1 810 Hz和700 Hz的高频振荡事件。这些高频振荡事件发生后导致换流站闭锁

由此产生的功率盈余/缺额将对接入的交流电网产生严重的冲击。首先回顾了国内外典型的MMC-HVDC高频振荡事件

并总结归纳振荡发生的机理;然后从柔性直流输电系统数学建模、高频振荡分析方法以及振荡抑制策略等角度对研究现状进行介绍和总结

指出目前研究中存在的难点和不足;最后对MMC-HVDC高频谐振问题的后续研究做出展望。

Abstract

Many high-frequency resonance events have been reported in high voltage direct current（HVDC） transmission projects based on modular multilevel converters（MMC） in recent years

for example

in 2015

a high-frequency resonance event in the 1.6 kHz frequency band occurred in Spain-France interconnection projects; in 2017

a high frequency component of about 1 271 Hz was observed in the voltage and current on the Guangxi side of the Luxi back-to-back project;in 2018

high-frequency oscillation events of 1 810 Hz and 700 Hz occurred on the Hubei and Chongqing sides of the Yu-E Project

respectively.The occurrence of these high-frequency oscillation events resulted in the blockage of the converter stations

and the resulting power surplus/deficiency had a serious impact on the connected AC grid. This paper introduces typical MMC-HVDC high-frequency oscillation events around the world. On this basis

the mechanism of high frequency oscillation is illustrated. Then

the modeling and stability analysis are reviewed. Moreover

oscillation mitigation strategies are summed up

and limitations of strategies proposed in recent research are analyzed. Finally

future research perspectives regarding the high frequency oscillation in MMC-HVDC are pointed out.

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Related Institution

State Key Laboratory of Advanced Power Transmission Technology, Global Energy Interconnection Research Institute Co., Ltd.

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