海上换流站直流侧暂态过压应力抑制策略有效性分析.pdf

第 4 卷 第 6 期 全球能源互联网 Vol. 4 No. 6 2021 年 11 月 Journal of Global Energy Interconnection Nov. 2021 文章编号：2096-5125 (2021) 06-0602-013 中图分类号：TM864 文献标志码：A DOI ：10.19705/ki.issn2096-5125.2021.06.010 海上换流站直流侧暂态过压应力抑制策略有效性分析 * 袁艺嘉 ，孔明，孙宝宝，李元贞，贺之渊 （全球能源互联网研究院有限公司，北京市 昌平区 102209 ） Analysis on the Effectiveness of Suppression Strategies for Transient Overvoltage Stress on the DC Side of Offshore Converter Station * YUAN Yijia , KONG Ming, SUN Baobao, LI Yuanzhen, HE Zhiyuan (Global Energy Interconnection Research Institute Co., Ltd., Changping District, Beijing 102209, China) I Abstract: Several offshore wind power generation systems Keywords: offshore wind power; MMC-HVDC; DC side E integrated with modular multilevel converter high-voltage equipment at offshore converter station; overvoltage stress direct current (MMC-HVDC) technology have been built in suppression; symmetrical monopolar topology; symmetrical G the North Sea and other regions of Europe; and China has also bipolar topology J accelerated the engineering practice of this technology in recent 摘  要：欧洲北海等地区已经建设了多条基于柔性直流输电 years. Due to the low damping of the MMC-HVDC system, the 技术的海上风电并网工程 ，中国近些年也加速了该技术的工 transient overvoltage and overcurrent of the equipment develop 程实践 。由于柔直系统阻尼低，直流侧暂态过电压 、过电流 rapidly on the DC-side. Thus, it is essential to take measures to suppress the transient stress, and opti