A Coupled-Inductor DC-DC Converter with Input Current Ripple Minimization for Fuel Cell Vehicles

Fuwu Yan, Jingyuan Li, Changqing Du, Chendong Zhao, Wei Zhang and Yun Zhang
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Fuwu Yan: Hubei Key Laboratory of Advanced Technology for Automotive Components, Wuhan University of Technology, Wuhan 430070, China
Jingyuan Li: Hubei Key Laboratory of Advanced Technology for Automotive Components, Wuhan University of Technology, Wuhan 430070, China
Changqing Du: Hubei Key Laboratory of Advanced Technology for Automotive Components, Wuhan University of Technology, Wuhan 430070, China
Chendong Zhao: State Grid Shanghai Jiading Electric Power Supply Company, Shanghai 201800, China
Wei Zhang: School of Electrical and Information Engineering, Tianjin University, Tianjin 300070, China
Yun Zhang: School of Electrical and Information Engineering, Tianjin University, Tianjin 300070, China

Energies, 2019, vol. 12, issue 9, 1-16

Abstract: A coupled-inductor DC-DC converter with a high voltage gain is proposed in this paper to match the voltage of a fuel cell stack to a DC link bus. The proposed converter can minimize current ripples and can also achieve a high voltage gain by adjusting the duty cycle d and the turns ratio n of a coupled inductor. A passive lossless clamping circuit that is composed of one capacitor and one diode is employed, and this suppresses voltage spikes across the power device resulting from system leakage inductance. The operating principles and the characteristics of the proposed converter are analyzed and discussed. A 400-W experimental prototype was developed, and it had a wide voltage gain range (4–13.33) and a maximum efficiency of 95.12%.

Keywords: coupled inductor; DC-DC converter; high voltage gain; ripple minimization current; fuel cell vehicles (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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