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Current Ripple Reduction Control for ZVS Operation of a Fuel-Cell System
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Publication Year
2018-12-03
Journal
2018 IEEE Energy Conversion Congress and Exposition, ECCE 2018
Publisher
Institute of Electrical and Electronics Engineers Inc.
Citation
2018 IEEE Energy Conversion Congress and Exposition, ECCE 2018, pp.3623-3628
Keyword
DC-DC ConverterFast dynamic controllerFuel-cell systemSecond-harmonic reductionType-II controllerZVS operation method
Mesh Keyword
Fast dynamicsFuel cell systemOperation methodsSecond harmonicsType II
All Science Classification Codes (ASJC)
Energy Engineering and Power TechnologyRenewable Energy, Sustainability and the EnvironmentControl and OptimizationComputer Networks and CommunicationsHardware and ArchitectureInformation Systems and Management
Abstract
This paper proposes current ripple reduction algorithm for zero voltage switching (ZVS) operation of boost-type DC/DC converter. Fuel-cell system in this paper, DC-DC converter and single-phase inverter are connected. The DC-link voltage contains the second harmonics when the converter interconnected to the single-phase inverter. This AC ripple component makes some defects to the system. The inductor current leaves the ZVS operation region, thus the hard switching of the converter reduces the efficiency of the system. Moreover, this ripple component also makes the stress to the fuel-cell, thus a life time of the fuel-cell is decreased. This paper proposes a current ripple reduction control for ZVS operation of a fuel-cell system. In this paper, the higher type controller with a fast dynamic response is applied to the boost converter. The validity of the proposed control algorithm and the improvement of efficiency of the converter are verified by PSIM simulations with a 1-kW DC-DC converter system.
Language
eng
URI
https://aurora.ajou.ac.kr/handle/2018.oak/36276
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85060271753&origin=inward
DOI
https://doi.org/10.1109/ecce.2018.8558327
Journal URL
http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=8537478
Type
Conference
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Lee, Kyo-Beum이교범
Department of Electrical and Computer Engineering
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