南方电网技术2017，Vol.11Issue(3)：1-5,5.DOI:10.13648/j.cnki.issn1674-0629.2017.03.001
乌东德特高压多端直流工程受端采用柔性直流对多直流集中馈入问题的改善作用研究
Study on Improvement of VSC-HVDC at Inverter Side of Wudongde Multi-Terminal UHVDC for the Problem of Centralized Multi-Infeed HVDC
摘要
Abstract
This paper firstly reveals the problem of centralized multi-infeed HVDC being connected into Guangdong and Guangxi power grid at present, then aiming at Wudongde multi-terminal UHVDC transmission project which will be put into operation in 2020,compares and analyzes the stability of Guangdong and Guangxi Power Grid when LCC or VSC is used at inverter side of Wudongde DC transmission project from three aspects including multi-infeed effective short circuit ratio(MIESCR), the risk of commutation failure of DC projects caused by AC system faults, and the influence of AC faults on the stability of receiving-end grid.Research results show that using VSC converter at receiving-end of Wudongde UHVDC will not decrease the MIESCE of each DC project in Guangdong and Guangxi Power Grid, and will enhance the ability of withstanding severe AC system faults significantly.关键词
乌东德特高压多端直流工程/受端柔性直流/多直流馈入/多直流有效短路比/换相失败Key words
Wudongde multi-terminal UHVDC project/inverter side of VSC-HVDC/multi-infeed HVDC/multi-infeed effective short circuit ratio(MIESCR)/commutation failure分类
信息技术与安全科学引用本文复制引用
饶宏,洪潮,周保荣,黄东启,许树楷,姚文峰,周月宾..乌东德特高压多端直流工程受端采用柔性直流对多直流集中馈入问题的改善作用研究[J].南方电网技术,2017,11(3):1-5,5.基金项目
国家重点研发计划子课题(2016YFB091001).Supported by the National Key Research and Development Program of China(2016YFB091001). （2016YFB091001）
