A Novel Solid-State Transformer with Loosely Coupled Resonant Dual-Active-Bridge Converters
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Lee, Jaehong | - |
dc.contributor.author | Roh, Junghyeon | - |
dc.contributor.author | Lee, Seung hwan | - |
dc.contributor.author | Kim, Sungmin | - |
dc.contributor.author | Kim, Myung yong | - |
dc.date.accessioned | 2021-06-22T09:10:50Z | - |
dc.date.available | 2021-06-22T09:10:50Z | - |
dc.date.issued | 2020-10 | - |
dc.identifier.issn | 2329-3748 | - |
dc.identifier.issn | 2329-3721 | - |
dc.identifier.uri | https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/1497 | - |
dc.description.abstract | A solid-state transformer (SST) uses multiple isolated dual-active-bridge (DAB) converters to deliver power from a medium voltage AC or DC grid to low voltage DC or AC loads. The DAB converter is the key component of the SST. In this study, a new loosely coupled resonant DAB (LCR-DAB) that utilizes loosely coupled inductive power transfer (IPT) coils instead of the high frequency (HF) transformers of the conventional DABs is proposed. Unlike the HF transformers, a large air-gap between the primary and secondary coils enables easier packaging and high voltage insulation of the LCR-DAB. Series-series (SS) compensated symmetric resonant tanks are selected for the proposed IPT system. The dependences of the input impedance, efficiency, and power transfer direction of the proposed LCR-DAB on the phase-shift angle and the circuit parameters are investigated. Using the theoretical analysis, a circuit parameter design method for the LCR-DAB is proposed. Also, a new design approach for low-loss coils of the LCR-DAB are investigated using finite element analysis results. The proposed LCR-SST topology was evaluated using circuit simulation results. The simulated coil-to-coil efficiency of the LCR-DAB was 99 % over a 3-cm air-gap and the DC-to-DC efficiency of a 4-level LCR-SST was 94.5 %. © 2020 IEEE. | - |
dc.format.extent | 7 | - |
dc.language | 영어 | - |
dc.language.iso | ENG | - |
dc.publisher | Institute of Electrical and Electronics Engineers Inc. | - |
dc.title | A Novel Solid-State Transformer with Loosely Coupled Resonant Dual-Active-Bridge Converters | - |
dc.type | Article | - |
dc.publisher.location | 미국 | - |
dc.identifier.doi | 10.1109/ECCE44975.2020.9235810 | - |
dc.identifier.scopusid | 2-s2.0-85097153537 | - |
dc.identifier.wosid | 000645593604052 | - |
dc.identifier.bibliographicCitation | 2020 IEEE Energy Conversion Congress and Exposition(ECCE 2020), pp 3972 - 3978 | - |
dc.citation.title | 2020 IEEE Energy Conversion Congress and Exposition(ECCE 2020) | - |
dc.citation.startPage | 3972 | - |
dc.citation.endPage | 3978 | - |
dc.type.docType | Conference Paper | - |
dc.description.isOpenAccess | N | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Energy & Fuels | - |
dc.relation.journalResearchArea | Engineering | - |
dc.relation.journalWebOfScienceCategory | Energy & Fuels | - |
dc.relation.journalWebOfScienceCategory | Engineering, Electrical & Electronic | - |
dc.subject.keywordPlus | DESIGN | - |
dc.subject.keywordAuthor | Coils | - |
dc.subject.keywordAuthor | Power transformer insulation | - |
dc.subject.keywordAuthor | Oil insulation | - |
dc.subject.keywordAuthor | Impedance | - |
dc.subject.keywordAuthor | Windings | - |
dc.subject.keywordAuthor | Topology | - |
dc.subject.keywordAuthor | Hafnium | - |
dc.subject.keywordAuthor | Bidirectional wireless power transfer | - |
dc.subject.keywordAuthor | dual-active-bridge (DAB) converter | - |
dc.subject.keywordAuthor | inductive power transfer (IPT) | - |
dc.subject.keywordAuthor | solid-state transformer (SST) | - |
dc.identifier.url | https://ieeexplore.ieee.org/document/9235810 | - |
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