{"title":"高效电压跌落保护器，低漏电电流","authors":"Min-Kwon Yang, W. Choi","doi":"10.1109/INTLEC.2017.8214197","DOIUrl":null,"url":null,"abstract":"This paper proposes a high-efficiency voltage sag protector with low ground leakage current. The line-frequency transformer of the conventional system is replaced by a bidirectional dc-dc converter. A bidirectional dc-ac inverter copes with voltage sag and interruption. It has low ground leakage currents by the common grounded capacitors. A bidirectional dc-dc converter transfers the electrical power between the battery and the bidirectional dc-ac inverter. The proposed system improves the power efficiency and power density compared to the conventional system. Experimental results for a 1.0 kW prototype system are presented to evaluate the performance of the proposed system.","PeriodicalId":366207,"journal":{"name":"2017 IEEE International Telecommunications Energy Conference (INTELEC)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"High-efficiency voltage sag protector with low ground leakage current\",\"authors\":\"Min-Kwon Yang, W. Choi\",\"doi\":\"10.1109/INTLEC.2017.8214197\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper proposes a high-efficiency voltage sag protector with low ground leakage current. The line-frequency transformer of the conventional system is replaced by a bidirectional dc-dc converter. A bidirectional dc-ac inverter copes with voltage sag and interruption. It has low ground leakage currents by the common grounded capacitors. A bidirectional dc-dc converter transfers the electrical power between the battery and the bidirectional dc-ac inverter. The proposed system improves the power efficiency and power density compared to the conventional system. Experimental results for a 1.0 kW prototype system are presented to evaluate the performance of the proposed system.\",\"PeriodicalId\":366207,\"journal\":{\"name\":\"2017 IEEE International Telecommunications Energy Conference (INTELEC)\",\"volume\":\"18 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2017-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2017 IEEE International Telecommunications Energy Conference (INTELEC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/INTLEC.2017.8214197\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 IEEE International Telecommunications Energy Conference (INTELEC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/INTLEC.2017.8214197","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
High-efficiency voltage sag protector with low ground leakage current
This paper proposes a high-efficiency voltage sag protector with low ground leakage current. The line-frequency transformer of the conventional system is replaced by a bidirectional dc-dc converter. A bidirectional dc-ac inverter copes with voltage sag and interruption. It has low ground leakage currents by the common grounded capacitors. A bidirectional dc-dc converter transfers the electrical power between the battery and the bidirectional dc-ac inverter. The proposed system improves the power efficiency and power density compared to the conventional system. Experimental results for a 1.0 kW prototype system are presented to evaluate the performance of the proposed system.
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