全球能源互联网2024，Vol.7Issue(4)：463-472,10.DOI:10.19705/j.cnki.issn2096-5125.2024.04.011
海上风电用±550kV直流GIS过电压与绝缘配合研究
Research on Overvoltage and Insulation Coordination of±550 kV DC GIS for Offshore Wind Power
摘要
Abstract
The VSC-HVDC transmission of offshore wind power has become an important way for wind power consumption.Direct current gas insulated switchgear(DC GIS)is used for offshore wind power converter platforms,which could reduce the overall platform volume and equipment cost of offshore converter stations,and reduce the operation and maintenance costs of offshore equipment.The overvoltage and insulation coordination of±550 kV DC GIS for offshore wind power have been studied.Firstly,the structure and parameters of VSC-HVDC system are studied.The control and protection strategies,and the configuration of surge arrester are given.Then,the maximum overvoltage level is obtained through the simulation.The DC pole line overvoltage of faulty pole and non-faulty pole under different operation modes are analyzed.Finally,the parameters of the arrester in±550 kV DC GIS and the insulation level requirements of the±550 kV DC GIS are given.关键词
海上风电/柔性直流/±550 kV直流GIS/过电压与绝缘配合Key words
offshore wind power/VSC-HVDC/±550 kV DC GIS/overvoltage and insulation coordination分类
动力与电气工程引用本文复制引用
苏鹏飞,袁艺嘉,孙亚辉,林志光,李元贞..海上风电用±550kV直流GIS过电压与绝缘配合研究[J].全球能源互联网,2024,7(4):463-472,10.基金项目
国家电网有限公司科技项目"换流站用±550 kV直流GIS关键技术研究"(5500-202147110A-0-0-00). Science and Technology Foundation of SGCC(5500-202147110A-0-0-00). （5500-202147110A-0-0-00）
