Kristian Pessoa dos Santos, H. Filho, P. Praça, Demercil de Souza Oliveira Júnior
{"title":"Steady-State Characterization of the Three-Phase Isolated DC-DC Bidirectional Converter with LLC Resonant Tank","authors":"Kristian Pessoa dos Santos, H. Filho, P. Praça, Demercil de Souza Oliveira Júnior","doi":"10.1109/COBEP/SPEC44138.2019.9065884","DOIUrl":null,"url":null,"abstract":"This paper presents a theoretical and computational analysis of a novel three-phase DC-DC isolated bidirectional LLC resonant converter using frequency modulation to ensure the rated output voltage. The converter presents eighteen switches, three inductors and three high frequency single-phase transformers connected in open delta-wye configuration to isolation. The switching frequency preferably operates above the resonant frequency to ensure a ZVS soft switching operation. For the mathematical analysis of the converter, a single-phase model was used considering only the fundamental components and considering the main components as ideal. This converter is recommended for Energy Storage Systems (ESS) applications. Simulation results regarding a design example are realized to proof all theoretical analysis developed.","PeriodicalId":69617,"journal":{"name":"电力电子","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"电力电子","FirstCategoryId":"1093","ListUrlMain":"https://doi.org/10.1109/COBEP/SPEC44138.2019.9065884","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
This paper presents a theoretical and computational analysis of a novel three-phase DC-DC isolated bidirectional LLC resonant converter using frequency modulation to ensure the rated output voltage. The converter presents eighteen switches, three inductors and three high frequency single-phase transformers connected in open delta-wye configuration to isolation. The switching frequency preferably operates above the resonant frequency to ensure a ZVS soft switching operation. For the mathematical analysis of the converter, a single-phase model was used considering only the fundamental components and considering the main components as ideal. This converter is recommended for Energy Storage Systems (ESS) applications. Simulation results regarding a design example are realized to proof all theoretical analysis developed.
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