[1]李 杰,李 鹏,乔国强,等. 提高互联系统频率稳定的风电场与VSC-MTDC协同控制策略[J].机械与电子,2026,44(02):112-119.
　LI Jie,LI Peng,QIAO Guoqiang,et al. Collaborative Control Strategy of Wind Farms and VSC-MTDC for Enhancing Frequency Stability in Interconnected Systems[J].Machinery & Electronics,2026,44(02):112-119.
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 提高互联系统频率稳定的风电场与VSC-MTDC协同控制策略()
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《机械与电子》[ISSN:1001-2257/CN:52-1052/TH]

卷:
44
期数:
2026年02期
页码:
112-119
栏目:
电力控制
出版日期:
2026-02-26

文章信息/Info

Title:
 Collaborative Control Strategy of Wind Farms and VSC-MTDC for Enhancing Frequency Stability in Interconnected Systems
文章编号:
1001-2257(2026)02-0112-08
作者:
 李 杰1; 李 鹏1; 乔国强1; 李从善2
 (1.陕西小保当矿业有限公司,陕西 榆林 719302;
2.郑州轻工业大学电气信息工程学院,河南 郑州 450002)
Author(s):
 LI Jie1; LI Peng1; QIAO Guoqiang1; LI Congshan2
 (1.Shaanxi Xiaobaodang Mining Co.,Ltd.,Yulin 719302,China;
2.College of Electrical and Information Engineering,Zhengzhou University of Light Industry,Zhengzhou 450002,China)
关键词:
 ; VSC-MTDC; 虚拟惯性; 功率裕度; 自适应下垂; 分频控制
Keywords:
 ; VSC-MTDC; virtual inertia; power margin; adaptive droop; frequency band decoupling control
分类号:
TM614
文献标志码:
A
摘要:
 针对新能源大规模接入导致的电网频率问题凸显,探讨了一种风电场经多端柔性直流输电系统(VSC MTDC)协同控制策略。风电场通过采用附加惯性和下垂控制,释放转子动能,参与频率调节;换流站通过虚拟惯性控制,建立交流频率和直流电压的关系,释放直流电容的能量进行功率调节。同时,引入换流站功率裕度修正下垂系数,实现直流系统不平衡功率的合理分配以及各交流系统间互相功率支援。进一步,将频率偏差作为输入信号,通过一阶低通滤波器,将高频信号附加到风机转子控制侧,低频信号附加到换流站下垂控制侧,协同改善交流系统频率响应。仿真验证了所提方法的有效性,表明其能够显著增加系统等效惯量,从而改善频率稳定性能。
Abstract:
In response to the growing frequency stability concerns caused by large scale integration of renewable energy,this study investigates a coordinated control strategy for wind farms connected through voltage source converter based multi terminal high voltage direct current (VSC MTDC) systems.Wind farms are equipped with additional inertia and droop control to release rotor kinetic energy for frequency regulation.The converter stations employ virtual inertia control to establish a correlation between AC frequency and DC voltage,thereby utilizing DC capacitors energy for power regulation.Meanwhile,the power margin of converter stations is introduced to adjust droop coefficients,enabling rational redistribution of power imbalances in the DC system and mutual power support among AC systems.Furthermore,the frequency deviation is used as the input signal,and processed through a first order low pass filter,where high frequency components are applied to the rotor control of wind turbines and the low frequency components to the droop control of converter station,synergistically improving the frequency response of the AC system.Simulation results validate the effectiveness of the proposed method,demonstrating its capability to significantly increase the equivalent inertia of the system and improve frequency stability performance.

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备注/Memo

备注/Memo:
 收稿日期:2025-09-21
基金项目:国家自然科学基金面上项目(52377125);河南省科技攻关项目(242102240125)
作者简介:李 杰 (1988-),男,江苏无锡人,硕士,研究方向为信息安全、虚拟化等;李从善 (1985-),男,河北邯郸人,博士,副教授,硕士研究生导师,研究方向为新型电力系统稳定分析与控制等,通信作者,E-mail:543627767@qq.com。
更新日期/Last Update: 2026-04-29