{"title":"用于直流电网存储的双两级隔离双向DC-DC变换器","authors":"G. Tibola, J. Duarte","doi":"10.23919/IPEC.2018.8507787","DOIUrl":null,"url":null,"abstract":"One of the trends for low-voltage dc grids is the use of a two-line dc distribution in order to facilitate the interface to present-time ac grids, and also to allow the flexible use of diverse loads. Another feature of such dc grids is the distributed storage elements in houses and buildings. This storage system needs an isolated power converter to interface battery and grid. This paper presents the analysis, design and experimental validation of a 30 kW two-stage dual converter, interfacing a ±350 Vdc or battery ±380 Vdc grid and a bank. The first stage consists of a non-isolated synchronous Boost converter with current control. Whereas the second stage is an isolated bidirectional C3LC converter providing same static characteristics in both ways of energy transfer.","PeriodicalId":6610,"journal":{"name":"2018 International Power Electronics Conference (IPEC-Niigata 2018 -ECCE Asia)","volume":"1 1","pages":"1447-1454"},"PeriodicalIF":0.0000,"publicationDate":"2018-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Dual Two-Stage Isolated Bidirectional DC-DC Converter for DC Grid Storage\",\"authors\":\"G. Tibola, J. Duarte\",\"doi\":\"10.23919/IPEC.2018.8507787\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"One of the trends for low-voltage dc grids is the use of a two-line dc distribution in order to facilitate the interface to present-time ac grids, and also to allow the flexible use of diverse loads. Another feature of such dc grids is the distributed storage elements in houses and buildings. This storage system needs an isolated power converter to interface battery and grid. This paper presents the analysis, design and experimental validation of a 30 kW two-stage dual converter, interfacing a ±350 Vdc or battery ±380 Vdc grid and a bank. The first stage consists of a non-isolated synchronous Boost converter with current control. Whereas the second stage is an isolated bidirectional C3LC converter providing same static characteristics in both ways of energy transfer.\",\"PeriodicalId\":6610,\"journal\":{\"name\":\"2018 International Power Electronics Conference (IPEC-Niigata 2018 -ECCE Asia)\",\"volume\":\"1 1\",\"pages\":\"1447-1454\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2018-10-22\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2018 International Power Electronics Conference (IPEC-Niigata 2018 -ECCE Asia)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.23919/IPEC.2018.8507787\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2018 International Power Electronics Conference (IPEC-Niigata 2018 -ECCE Asia)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.23919/IPEC.2018.8507787","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Dual Two-Stage Isolated Bidirectional DC-DC Converter for DC Grid Storage
One of the trends for low-voltage dc grids is the use of a two-line dc distribution in order to facilitate the interface to present-time ac grids, and also to allow the flexible use of diverse loads. Another feature of such dc grids is the distributed storage elements in houses and buildings. This storage system needs an isolated power converter to interface battery and grid. This paper presents the analysis, design and experimental validation of a 30 kW two-stage dual converter, interfacing a ±350 Vdc or battery ±380 Vdc grid and a bank. The first stage consists of a non-isolated synchronous Boost converter with current control. Whereas the second stage is an isolated bidirectional C3LC converter providing same static characteristics in both ways of energy transfer.
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