{"title":"中型热电联产电厂发电机接地故障保护的考虑","authors":"R. Rifaat","doi":"10.1109/ICPS.1995.527006","DOIUrl":null,"url":null,"abstract":"Generator ground-fault protection aspects are analyzed for midsize cogeneration plants. In these plants, the generators may be connected to a common generator bus. The overall bus-connected system should be considered when applying generator high-resistance grounding schemes. Calculations are reviewed for sizing generator neutral-ground resistance and evaluating third harmonic originated in the scheme. The relevant applications of third harmonics in applying 100% stator ground-fault protection schemes are examined. Practical considerations are presented for establishing selectivity of ground-fault protection schemes in the case of a common generator bus.","PeriodicalId":138670,"journal":{"name":"Proceedings of 1995 Industrial and Commercial Power Systems Conference","volume":"11 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1995-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"14","resultStr":"{\"title\":\"Considerations for generator ground fault protection in mid size cogeneration plants\",\"authors\":\"R. Rifaat\",\"doi\":\"10.1109/ICPS.1995.527006\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Generator ground-fault protection aspects are analyzed for midsize cogeneration plants. In these plants, the generators may be connected to a common generator bus. The overall bus-connected system should be considered when applying generator high-resistance grounding schemes. Calculations are reviewed for sizing generator neutral-ground resistance and evaluating third harmonic originated in the scheme. The relevant applications of third harmonics in applying 100% stator ground-fault protection schemes are examined. Practical considerations are presented for establishing selectivity of ground-fault protection schemes in the case of a common generator bus.\",\"PeriodicalId\":138670,\"journal\":{\"name\":\"Proceedings of 1995 Industrial and Commercial Power Systems Conference\",\"volume\":\"11 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1995-05-07\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"14\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of 1995 Industrial and Commercial Power Systems Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICPS.1995.527006\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of 1995 Industrial and Commercial Power Systems Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICPS.1995.527006","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Considerations for generator ground fault protection in mid size cogeneration plants
Generator ground-fault protection aspects are analyzed for midsize cogeneration plants. In these plants, the generators may be connected to a common generator bus. The overall bus-connected system should be considered when applying generator high-resistance grounding schemes. Calculations are reviewed for sizing generator neutral-ground resistance and evaluating third harmonic originated in the scheme. The relevant applications of third harmonics in applying 100% stator ground-fault protection schemes are examined. Practical considerations are presented for establishing selectivity of ground-fault protection schemes in the case of a common generator bus.
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