南方电网技术2026，Vol.20Issue(1)：131-142,12.DOI:10.13648/j.cnki.issn1674-0629.2026.01.013
大规模海上风电经柔直送出系统的受端功率协调控制策略
Coordinated Control Strategy of Receiver Power in Large-Scale Offshore Wind Power Transmission System
摘要
Abstract
Modular multilevel converter(MMC)-based DC transmission systems have gradually become an important way for integrating offshore wind power due to its advantages such as high efficiency,flexible control,and easy expansion to multi-terminal systems.The active power of offshore wind farms is random and fluctuating,and large-scale power fluctuations may cause problems at the receiving end converter stations,such as power limit violation,DC voltage limit violation,and power circulation between AC and DC systems.To solve these problems,two power coordination control strategies for the receiving-end of large-scale offshore wind power via flexible HVDC transmission systems are proposed.Firstly,the basic structure of the transmission system and the MMC control strategy are introduced.Then,the active power self-balancing control strategy at the receiving-end and the common-outer-control-loop-based DC voltage control strategy at the receiving-end are designed.These two strategies feature distinct technical characteristics,yet both enable rational active power distribution among multiple receiving-end converter stations,thereby preventing unnecessary power limit violations,voltage limit violations,and power circulation issues.Finally,the effectiveness of the two control strategies is verified by PSCAD/EMTDC simulation.关键词
风电场/功率协调控制/有功功率自均衡/共用外环Key words
wind farm/coordinated power control strategy/self-balancing of active power/common-outer-control-loop分类
信息技术与安全科学引用本文复制引用
彭穗,李峰,黄小威,唐玉烽,彭发喜,王彦峰..大规模海上风电经柔直送出系统的受端功率协调控制策略[J].南方电网技术,2026,20(1):131-142,12.基金项目
广东省重点研发计划资助项目(2021B0101230004) （2021B0101230004）
中国南方电网有限责任公司科技项目(GDKJXM20231040).Supported by the Key Research and Technology Program of Guangdong Province(2021B0101230004) （GDKJXM20231040）
the Science and Technology Project of China Southern Power Grid Co.,Ltd.(GDKJXM20231040). （GDKJXM20231040）
