{"title":"对安装不当的有载分接开关的保护注意事项","authors":"A. Rangel","doi":"10.1109/CPRE48231.2021.9429726","DOIUrl":null,"url":null,"abstract":"On-Load tap changers (OLTCs) are critical transformer components when automatic voltage adjustment is required, such as in distributed generation systems. In June 2019, a defective OLTC was replaced with a brand new one, and shortly after re-energization, solar inverters started to randomly trip offline. This paper describes the investigation into these random nuisance trips, how proper commissioning could have prevented this issue, and what protection elements are suggested to detect this particular problem.","PeriodicalId":405115,"journal":{"name":"2021 74th Conference for Protective Relay Engineers (CPRE)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Protection Considerations for an Improperly Installed On-Load Tap Changer\",\"authors\":\"A. Rangel\",\"doi\":\"10.1109/CPRE48231.2021.9429726\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"On-Load tap changers (OLTCs) are critical transformer components when automatic voltage adjustment is required, such as in distributed generation systems. In June 2019, a defective OLTC was replaced with a brand new one, and shortly after re-energization, solar inverters started to randomly trip offline. This paper describes the investigation into these random nuisance trips, how proper commissioning could have prevented this issue, and what protection elements are suggested to detect this particular problem.\",\"PeriodicalId\":405115,\"journal\":{\"name\":\"2021 74th Conference for Protective Relay Engineers (CPRE)\",\"volume\":\"5 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2021-03-22\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2021 74th Conference for Protective Relay Engineers (CPRE)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/CPRE48231.2021.9429726\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 74th Conference for Protective Relay Engineers (CPRE)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CPRE48231.2021.9429726","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Protection Considerations for an Improperly Installed On-Load Tap Changer
On-Load tap changers (OLTCs) are critical transformer components when automatic voltage adjustment is required, such as in distributed generation systems. In June 2019, a defective OLTC was replaced with a brand new one, and shortly after re-energization, solar inverters started to randomly trip offline. This paper describes the investigation into these random nuisance trips, how proper commissioning could have prevented this issue, and what protection elements are suggested to detect this particular problem.
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