Zigang Zhao, Shaobo Geng, Yakun He, Xiaolong Chen, Shu Yuan, Yongli Li
{"title":"A Grounding Fault Location Method for Petal-type Urban Power Grid Based on Zero-Sequence Current Correlation","authors":"Zigang Zhao, Shaobo Geng, Yakun He, Xiaolong Chen, Shu Yuan, Yongli Li","doi":"10.1145/3386415.3387000","DOIUrl":null,"url":null,"abstract":"As the urban power grid gradually develops into the petal-type grid structure, it is of great significance to research on the precise ground fault location of the petal-type new urban power grid. Firstly, in this paper, the single-phase and two-phase grounding faults in the petal-type urban power grid is analyzed. Secondly, as the correlation between the zero-sequence current at both ends of the faulted lines is fully utilized, a new grounding fault location approach is proposed. Finally, the effectiveness of the proposed method has been validated with a petal-type urban power grid model in the PSCAD / EMTDC environment.","PeriodicalId":250211,"journal":{"name":"Proceedings of the 2nd International Conference on Information Technologies and Electrical Engineering","volume":"20 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the 2nd International Conference on Information Technologies and Electrical Engineering","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1145/3386415.3387000","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
As the urban power grid gradually develops into the petal-type grid structure, it is of great significance to research on the precise ground fault location of the petal-type new urban power grid. Firstly, in this paper, the single-phase and two-phase grounding faults in the petal-type urban power grid is analyzed. Secondly, as the correlation between the zero-sequence current at both ends of the faulted lines is fully utilized, a new grounding fault location approach is proposed. Finally, the effectiveness of the proposed method has been validated with a petal-type urban power grid model in the PSCAD / EMTDC environment.
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