{"title":"一种新的电网故障定位方法","authors":"W. Grady, M. Vatani, A. Arapostathis","doi":"10.1145/1357910.1357921","DOIUrl":null,"url":null,"abstract":"Fault location in electric power grids has traditionally been achieved by measuring rms short-circuit current magnitudes on both ends of a faulted line, and then comparing simulations with these measurements. This paper presents a new fault location procedure based upon voltage-only measurements at a few busses in the system. The new procedure utilizes system impedance matrices and a least-squared error minimization technique to estimate the fault location. The estimation algorithm has been successfully tested with five actual faults to verify its validity. Three-phase and phase-to-ground faults are included in the analysis.","PeriodicalId":91410,"journal":{"name":"Summer Computer Simulation Conference : (SCSC 2014) : 2014 Summer Simulation Multi-Conference : Monterey, California, USA, 6-10 July 2014. Summer Computer Simulation Conference (2014 : Monterey, Calif.)","volume":"48 18 1","pages":"63-69"},"PeriodicalIF":0.0000,"publicationDate":"2007-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"A new fault location method for electric power grids\",\"authors\":\"W. Grady, M. Vatani, A. Arapostathis\",\"doi\":\"10.1145/1357910.1357921\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Fault location in electric power grids has traditionally been achieved by measuring rms short-circuit current magnitudes on both ends of a faulted line, and then comparing simulations with these measurements. This paper presents a new fault location procedure based upon voltage-only measurements at a few busses in the system. The new procedure utilizes system impedance matrices and a least-squared error minimization technique to estimate the fault location. The estimation algorithm has been successfully tested with five actual faults to verify its validity. Three-phase and phase-to-ground faults are included in the analysis.\",\"PeriodicalId\":91410,\"journal\":{\"name\":\"Summer Computer Simulation Conference : (SCSC 2014) : 2014 Summer Simulation Multi-Conference : Monterey, California, USA, 6-10 July 2014. Summer Computer Simulation Conference (2014 : Monterey, Calif.)\",\"volume\":\"48 18 1\",\"pages\":\"63-69\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2007-07-16\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Summer Computer Simulation Conference : (SCSC 2014) : 2014 Summer Simulation Multi-Conference : Monterey, California, USA, 6-10 July 2014. Summer Computer Simulation Conference (2014 : Monterey, Calif.)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1145/1357910.1357921\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Summer Computer Simulation Conference : (SCSC 2014) : 2014 Summer Simulation Multi-Conference : Monterey, California, USA, 6-10 July 2014. Summer Computer Simulation Conference (2014 : Monterey, Calif.)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1145/1357910.1357921","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A new fault location method for electric power grids
Fault location in electric power grids has traditionally been achieved by measuring rms short-circuit current magnitudes on both ends of a faulted line, and then comparing simulations with these measurements. This paper presents a new fault location procedure based upon voltage-only measurements at a few busses in the system. The new procedure utilizes system impedance matrices and a least-squared error minimization technique to estimate the fault location. The estimation algorithm has been successfully tested with five actual faults to verify its validity. Three-phase and phase-to-ground faults are included in the analysis.
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