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山东大学学报 (工学版) ›› 2025, Vol. 55 ›› Issue (5): 30-39.doi: 10.6040/j.issn.1672-3961.0.2024.143

• 电气工程——智慧能源专题 • 上一篇    

基于M3C自适应虚拟惯量的海上低频风电系统协调惯量响应控制

周前1,李群1,朱丹丹1*,李仪博2   

  1. 1.国网江苏省电力有限公司电力科学研究院, 江苏 南京 211103;2.山东大学电气工程学院, 山东 济南 250061
  • 发布日期:2025-10-17
  • 作者简介:周前(1978— ),男,江苏宜兴人,研究员级高级工程师,硕士,主要研究方向为新能源接入电网运行控制. E-mail: xjtu@js.sgcc.com.cn. *通信作者简介:朱丹丹(1991— ),女,江苏南通人,高级工程师,博士,主要研究方向为新能源接入电网运行控制. E-mail: zdd_life@126.com
  • 基金资助:
    国家电网公司总部科技资助项目(4000-202218073A-1-1-ZN)

Coordinated inertia response control for offshore low frequency wind power system based on adaptive virtual inertia of M3C

ZHOU Qian1, LI Qun1, ZHU Dandan1*, LI Yibo2   

  1. ZHOU Qian1, LI Qun1, ZHU Dandan1*, LI Yibo2(1. State Grid Jiangsu Electric Power Co., Ltd., Research Institute, Nanjing 211103, Jiangsu, China;
    2. School of Electrical Engineering, Shandong University, Jinan 250061, Shandong, China
  • Published:2025-10-17

摘要: 针对大规模海上风电场经模块化多电平矩阵换流器(modular multilevel matrix converter, M3C)频率解耦控制并入电网,造成海上低频风电系统惯性水平下降的问题,提出一种基于M3C自适应虚拟惯量的海上低频风电系统协调惯量响应控制策略。提出M3C的自适应虚拟惯量控制策略,根据M3C子模块电容电压变化调整虚拟惯性时间常数;提出M3C工频侧频率与低频侧频率之间的线性耦合方法,使海上风电场通过低频侧频率响应系统频率变化,与M3C共同为系统提供惯量支撑。仿真结果表明,所提策略能够增强M3C的惯量响应能力,避免系统频率发生二次跌落,提高系统频率稳定性。

关键词: 海上风电场, 模块化多电平矩阵换流器, 低频输电系统, 自适应虚拟惯量, 惯量支撑

Abstract: Aiming at the problem that large-scale offshore wind farms were connected to the grid through the frequency decoupling control of modular multilevel matrix converter(M3C), which caused the inertia level of offshore low frequency wind power system to decrease, a coordinated inertia response control strategy for offshore low frequency wind power system based on adaptive virtual inertia of M3C was proposed. The adaptive virtual inertia control strategy of M3C was proposed, which used the change information of the capacitor voltage of M3C submodule to adjust the size of the virtual inertia time constant. The linear coupling method between the frequency of the grid frequency side of M3C and the frequency of the low frequency side of M3C was proposed, so that the offshore wind farm could respond to the change of the system frequency through the frequency of the low frequency side, which provided the inertia support of the system together with M3C. The simulation results showed that the proposed adaptive control strategy could enhance the inertia response capability of M3C, avoid the system frequency second fall, and improve the frequency stability of the system.

Key words: offshore wind farm, modular multilevel matrix converter, low frequency power transmission system, adaptive virtual inertia, inertia support

中图分类号: 

  • TM732
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