{"title":"Study on the Influence of Accessing Flexible DC Grid on AC Grid Protection","authors":"Guangming Xin, Shuo Zhang, Tianxiao Huang, Peiran Wang, Miao Liu, Chao Meng, Binghui Wang","doi":"10.1109/CICED.2018.8592603","DOIUrl":null,"url":null,"abstract":"The working principle and current control method of flexible DC converter were introduced. The influence of current control of flexible DC converter on the electrical characteristics of the AC side was analyzed. The electric quantity change and characteristics of the AC side power grid during the AC side short circuit fault and recovery process were studied. The influence of the AC grid side fault process on the DC grid voltage and the converter output power was analyzed. The four-terminal flexible DC grid simulation model based on the half-bridge modular multilevel converter was built, and the fault process of the AC grid side of the converter was simulated and verified.","PeriodicalId":142885,"journal":{"name":"2018 China International Conference on Electricity Distribution (CICED)","volume":"274 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2018 China International Conference on Electricity Distribution (CICED)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CICED.2018.8592603","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
The working principle and current control method of flexible DC converter were introduced. The influence of current control of flexible DC converter on the electrical characteristics of the AC side was analyzed. The electric quantity change and characteristics of the AC side power grid during the AC side short circuit fault and recovery process were studied. The influence of the AC grid side fault process on the DC grid voltage and the converter output power was analyzed. The four-terminal flexible DC grid simulation model based on the half-bridge modular multilevel converter was built, and the fault process of the AC grid side of the converter was simulated and verified.
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