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Bidirectional On-Board Charger with Reduced DC-Link Capacitance for PHEV application

Title
Bidirectional On-Board Charger with Reduced DC-Link Capacitance for PHEV application
Authors
원재혁
Date Issued
2012
Publisher
포항공과대학교
Abstract
A bidirectional DC-DC converter is constructed by utilizing the dual active bridge (DAB) topology. Additionally a LC tank is attached in a primary switching arm to cancel out the second order harmonics originated from the rectified single-phase line source. With the proposed second order harmonic eliminating method, it is possible to reduce the DC-link voltage ripple. In the whole control loop, a phase locked loop (PLL) is utilized to obtain unity power factor and eliminating the second order harmonics. A main advantage of this proposed converter is that the DC-link apacitance can be selected small. Then a film capacitor can be used guaranteeing a longer life time. Simulation and experimental results are presented for validation.
URI
http://postech.dcollection.net/jsp/common/DcLoOrgPer.jsp?sItemId=000001218435
http://oasis.postech.ac.kr/handle/2014.oak/1478
Article Type
Thesis
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