{"title":"极坐标与直角坐标系下加权最小二乘电力系统状态估计的比较","authors":"T. Okoń, K. Wilkosz","doi":"10.1109/EEEIC.2010.5489955","DOIUrl":null,"url":null,"abstract":"The paper presents a comparative investigations of estimation of power system state in polar and rectangular coordinate systems. The estimation with the use of the weighted least squares method is considered. During investigations, impact of a coordinate system, stress of a power system and a data redundancy on such parameters of a state estimation as: number of iterations, the condition number of the gain matrix and parameters characterizing accuracy of calculation results and reliability of estimation is analyzed.","PeriodicalId":197298,"journal":{"name":"2010 9th International Conference on Environment and Electrical Engineering","volume":"124 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2010-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"12","resultStr":"{\"title\":\"Comparison of weighted-least-squares power system state estimation in polar and rectangular coordinate systems\",\"authors\":\"T. Okoń, K. Wilkosz\",\"doi\":\"10.1109/EEEIC.2010.5489955\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The paper presents a comparative investigations of estimation of power system state in polar and rectangular coordinate systems. The estimation with the use of the weighted least squares method is considered. During investigations, impact of a coordinate system, stress of a power system and a data redundancy on such parameters of a state estimation as: number of iterations, the condition number of the gain matrix and parameters characterizing accuracy of calculation results and reliability of estimation is analyzed.\",\"PeriodicalId\":197298,\"journal\":{\"name\":\"2010 9th International Conference on Environment and Electrical Engineering\",\"volume\":\"124 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2010-05-16\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"12\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2010 9th International Conference on Environment and Electrical Engineering\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/EEEIC.2010.5489955\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2010 9th International Conference on Environment and Electrical Engineering","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/EEEIC.2010.5489955","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Comparison of weighted-least-squares power system state estimation in polar and rectangular coordinate systems
The paper presents a comparative investigations of estimation of power system state in polar and rectangular coordinate systems. The estimation with the use of the weighted least squares method is considered. During investigations, impact of a coordinate system, stress of a power system and a data redundancy on such parameters of a state estimation as: number of iterations, the condition number of the gain matrix and parameters characterizing accuracy of calculation results and reliability of estimation is analyzed.
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