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Jung, Jee-Hoon
Advanced Power Interface & Power Electronics Lab (APIPEL)
Research Interests
  • Power Converter, Wireless Power Transfer, Smart Power Interface, Digital Control System,
  • PHIL simulation system, Power Line Communication

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High-Efficiency Isolated Bidirectional AC-DC Converter for a DC Distribution System

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dc.contributor.author Kim, Ho-Sung ko
dc.contributor.author Ryu, Myung-Hyo ko
dc.contributor.author Baek, Ju-Won ko
dc.contributor.author Jung, Jee-Hoon ko
dc.date.available 2015-03-31T07:14:16Z -
dc.date.created 2014-10-29 ko
dc.date.issued 2013-04 -
dc.identifier.citation IEEE TRANSACTIONS ON POWER ELECTRONICS, v.28, no.4, pp.1642 - 1654 ko
dc.identifier.issn 0885-8993 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/11067 -
dc.identifier.uri http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84879087826 ko
dc.description.abstract A high-efficiency isolated bidirectional ac-dc converter is proposed for a 380-V dc power distribution system to control bidirectional power flows and to improve its power conversion efficiency. To reduce the switches' losses of the proposed nonisolated full-bridge ac-dc rectifier using an unipolar switching method, switching devices employ insulated-gate bipolar transistors, MOSFETs, and silicon carbide diodes. Using the analysis of the rectifier's operating modes, each switching device can be selected by considering switch stresses. A simple and intuitive frequency detection method for a single-phase synchronous reference frame-phase-locked loop (SRF-PLL) is also proposed using a filter compensator, a fast period detector, and a finite impulse response filter to improve the robustness and accuracy of PLL performance under fundamental frequency variations. In addition, design and control methodology of the bidirectional full-bridge CLLC resonant converter is suggested for the galvanic isolation of the dc distribution system. A dead-band control algorithm for the bidirectional dc-dc converter is developed to smoothly change power conversion directions only using output voltage information. Experimental results will verify the performance of the proposed methods using a 5-kW prototype converter. ko
dc.description.statementofresponsibility close -
dc.language ENG ko
dc.publisher IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC ko
dc.subject AC-DC boost rectifier ko
dc.subject Bidirectional isolated converter ko
dc.subject CLLC resonant converter dc distribution system ko
dc.title High-Efficiency Isolated Bidirectional AC-DC Converter for a DC Distribution System ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-84879087826 ko
dc.identifier.wosid 000314698300014 ko
dc.type.rims ART ko
dc.description.wostc 25 *
dc.description.scopustc 35 *
dc.date.tcdate 2015-12-28 *
dc.date.scptcdate 2015-11-04 *
dc.identifier.doi 10.1109/TPEL.2012.2213347 ko
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