面向高比例新能源接入的海上风电场多端柔直并网控制策略

doi:10.11930/j.issn.1004-9649.202509034

中国电力 ›› 2026, Vol. 59 ›› Issue (4): 127-139.DOI: 10.11930/j.issn.1004-9649.202509034

面向高比例新能源接入的海上风电场多端柔直并网控制策略

张雅君¹(), 杨心刚¹, 鲍伟¹, 杜炤鑫¹, 甘慧辰², 肖晃庆²()

1. 国网上海市电力公司电力科学研究院，上海　200437
2. 华南理工大学电力学院，广东广州　510640

收稿日期:2025-09-16 发布日期:2026-04-20 出版日期:2026-04-28
作者简介:
张雅君（1995），女，博士，高级工程师，从事电力系统分析、新能源并网、大电网仿真研究，E-mail：zhangyajun1169@163.com
肖晃庆（1990），男，通信作者，博士，副教授，从事直流输电、新能源并网、电力系统稳定分析与控制研究，E-mail：xiaohq@scut.edu.cn
基金资助:
国家科技重大专项资助项目（2024ZD0801300）；国家电网有限公司科技项目（520940240035）；上海市“科技创新行动计划”启明星项目（24YF2707000）。

Control strategy for VSC-MTDC grid connection of offshore wind farms with high penetration of renewable energy integration

ZHANG Yajun¹(), YANG Xingang¹, BAO Wei¹, DU Zhaoxin¹, GAN Huichen², XIAO Huangqing²()

1. State Grid Shanghai Electric Power Research Institute, Shanghai 200437, China
2. School of Electric Power Engineering, South China University of Technology, Guangzhou 510640, China

Received:2025-09-16 Online:2026-04-20 Published:2026-04-28
Supported by:
This work is supported by the National Science and Technology Major Project of China (No.2024ZD0801300), Science and Technology Project of SGCC (No.520940240035), and Rising-Star Program of Shanghai Science and Technology Innovation Action Plan (No.24YF2707000).

摘要/Abstract

摘要：

针对高比例新能源接入场景下，海上风电场经多端柔直并网所面临的直流电压动态性能受限、动态功率偏差等问题，提出一种计及异常工况的海上风电场经多端柔直并网主从协调分层控制策略。首先，融合电压裕度与电压下垂控制，基于换流站动态特性提出主辅换流站协调控制方法。其次，提出基于直流功率波动量与换流站调节能力的动态分层控制方法，能在异常扰动下维持有功功率均衡分配。然后，建立换流站动态参与策略及参数整定方法，实现各工况下换流站投运数量的自适应调节，有效抑制换流站动态功率波动，提升直流电压动态调节特性。最后，通过PSCAD/EMTDC仿真平台构建五端海上风电多端柔直仿真系统，验证异常工况下所提控制策略的有效性。

关键词: 高比例新能源, 多端柔直并网, 主从协调控制, 下垂控制, 分层控制, 参数整定

Abstract:

To address the challenges of limited DC voltage dynamic performance and dynamic power deviations in grid connection of offshore wind farms via multi-terminal VSC-MTDC systems under high-penetration renewable energy integration scenarios, this paper proposes an abnormal-condition-aware master-slave coordinated hierarchical control strategy to enhance system reliability and stability. First, a coordinated control method for the primary and auxiliary converter stations is developed by integrating voltage margin and voltage droop control schemes, based on the dynamic characteristics of converter stations. Second, a dynamic hierarchical control approach is proposed, incorporating DC power fluctuation and converter station regulation capability, which can maintain the balanced active power distribution under abnormal disturbances. Third, a dynamic participation strategy and parameter tuning methodology for converter stations are established to achieve adaptive adjustment of the number of operational converter under various operating conditions, effectively suppressing the dynamic power fluctuations of converter stations and enhancing the DC voltage dynamic regulation characteristics. Finally, the effectiveness of the proposed control strategy under abnormal operating conditions is validated through a five-terminal offshore wind VSC-MTDC simulation system built on the PSCAD/EMTDC platform.

Key words: high penetration renewable energy, multi-terminal VSC-MTDC grid connection, master-slave coordinated control, droop control, hierarchical control, parameter tuning

张雅君, 杨心刚, 鲍伟, 杜炤鑫, 甘慧辰, 肖晃庆. 面向高比例新能源接入的海上风电场多端柔直并网控制策略[J]. 中国电力, 2026, 59(4): 127-139.

ZHANG Yajun, YANG Xingang, BAO Wei, DU Zhaoxin, GAN Huichen, XIAO Huangqing. Control strategy for VSC-MTDC grid connection of offshore wind farms with high penetration of renewable energy integration[J]. Electric Power, 2026, 59(4): 127-139.

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链接本文: https://www.electricpower.com.cn/CN/10.11930/j.issn.1004-9649.202509034

https://www.electricpower.com.cn/CN/Y2026/V59/I4/127

图/表 11

图 1 海上VSC-MTDC系统模型

Fig.1 Model of offshore VSC-MTDC system

图 2 基于主从协调控制的海上VSC-MTDC系统结构

Fig.2 Topology of offshore VSC-MTDC system based on master-slave coordinated control

图 3 换流站协调控制功率-电压特性曲线

Fig.3 Coordinated control power-voltage characteristic curves of converter station

图 4 海上风电经VSC-MTDC系统分层控制架构

Fig.4 Hierarchical control architecture for offshore wind power integration via VSC-MTDC systems

图 5 优先级控制模式下VSC功率-电压特性曲线

Fig.5 Power-voltage characteristic curves of VSC in priority control mode

图 6 共享控制模式下VSC功率-电压特性曲线

Fig.6 Power-voltage characteristic curves of VSC in shared control mode

图 7 APC换流站控制器参数计算流程

Fig.7 Calculation procedure for controller parameters of APC converter station

图 8 海上风电经五端VSC-MTDC系统

Fig.8 Offshore wind power integration via a five-terminal VSC-MTDC system

图 9 优先控制模式下的仿真结果

Fig.9 Simulation results under priority control mode

图 10 共享控制模式下的仿真结果

Fig.10 Simulation results under shared control mode

图 11 共享控制模式特殊工况下的仿真结果

Fig.11 Simulation results of shared control mode under special operating conditions

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面向高比例新能源接入的海上风电场多端柔直并网控制策略

Control strategy for VSC-MTDC grid connection of offshore wind farms with high penetration of renewable energy integration

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面向高比例新能源接入的海上风电场多端柔直并网控制策略

Control strategy for VSC-MTDC grid connection of offshore wind farms with high penetration of renewable energy integration

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