{"title":"考虑磁场漏磁饱和的同步电机参数估计","authors":"Zhang Xinli, Luo Yingli, Meng Liang","doi":"10.1109/CEFC-06.2006.1633282","DOIUrl":null,"url":null,"abstract":"The magnetic field distributions of a 300 MW generator under various operating conditions are obtained based on finite element method. Through analysis we find that the exciting leakage field is highly saturated when the machine is heavy loaded. Based on these study, new saturable parameters and model are developed. The small and large disturbance data are simulated by a time-stepping finite element model of a synchronous generator connected to infinite bus via a transformer with delta-star wiring. The data provided by the simulation are used to estimate the linear and saturable parameters. Since the disturbance data is not easily obtained online especially for heavy loaded conditions, FEM based simulation offers a new approach to solve this problem","PeriodicalId":262549,"journal":{"name":"2006 12th Biennial IEEE Conference on Electromagnetic Field Computation","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2006-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Synchronous Machine Parameters Estimation Considering the Field Flux Leakage Saturation\",\"authors\":\"Zhang Xinli, Luo Yingli, Meng Liang\",\"doi\":\"10.1109/CEFC-06.2006.1633282\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The magnetic field distributions of a 300 MW generator under various operating conditions are obtained based on finite element method. Through analysis we find that the exciting leakage field is highly saturated when the machine is heavy loaded. Based on these study, new saturable parameters and model are developed. The small and large disturbance data are simulated by a time-stepping finite element model of a synchronous generator connected to infinite bus via a transformer with delta-star wiring. The data provided by the simulation are used to estimate the linear and saturable parameters. Since the disturbance data is not easily obtained online especially for heavy loaded conditions, FEM based simulation offers a new approach to solve this problem\",\"PeriodicalId\":262549,\"journal\":{\"name\":\"2006 12th Biennial IEEE Conference on Electromagnetic Field Computation\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2006-06-05\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2006 12th Biennial IEEE Conference on Electromagnetic Field Computation\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/CEFC-06.2006.1633282\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2006 12th Biennial IEEE Conference on Electromagnetic Field Computation","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CEFC-06.2006.1633282","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Synchronous Machine Parameters Estimation Considering the Field Flux Leakage Saturation
The magnetic field distributions of a 300 MW generator under various operating conditions are obtained based on finite element method. Through analysis we find that the exciting leakage field is highly saturated when the machine is heavy loaded. Based on these study, new saturable parameters and model are developed. The small and large disturbance data are simulated by a time-stepping finite element model of a synchronous generator connected to infinite bus via a transformer with delta-star wiring. The data provided by the simulation are used to estimate the linear and saturable parameters. Since the disturbance data is not easily obtained online especially for heavy loaded conditions, FEM based simulation offers a new approach to solve this problem
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