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Title: A switched-inductor-augmented resonant DAB converter for achieving wide-range zero voltage switching
Authors: Yaqoob, M
Loo, KH 
Lai, YM 
Keywords: Conduction loss
DC-DC converter
Switching loss
Zero current switching
Zero voltage switching
Issue Date: 2016
Publisher: Institute of Electrical and Electronics Engineers Inc.
Source: 2016 IEEE 7th International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2016, 2016, 7527050, p. 1-7 How to cite?
Abstract: A modified LCL resonant tank incorporating switch-controlled inductor (SCI) is introduced to realize a tunable resonant tank that ensures ZVS in primary side and ZCS in secondary side switches of an isolated bidirectional dual-active-bridge DC-DC converter (DAB-IBDC) under a wide range of output voltage and charging current of super-capacitor. The nominal operating point is carefully chosen to reduce conduction loss arising from circulating current. Moreover, the firing-angle of SCI is selected in such a way that it keeps ZCS at secondary side to avoid excessive ringing in voltage and current because of parasitic inductances in switches. Simulation and experimental results are shown to validate the effectiveness of the proposed resonant tank and control strategy on DAB-IBDC, which is designed to interface a 400 V dc bus to super-capacitor with voltage variation in the range of 10 V to 48 V, at maximum rated current of 10 A and rated power of 480 W. Finally, an efficiency of up to 94.23 % is achieved using proposed topology and modulation scheme.
Description: 7th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2016, Vancouver, Canada, 27-30 June 2016
ISBN: 9781467386166
DOI: 10.1109/PEDG.2016.7527050
Appears in Collections:Conference Paper

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