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Modelling of a Power Converter with Multiple Operating Modes

School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou 510641, China
Author to whom correspondence should be addressed.
World Electr. Veh. J. 2018, 9(1), 7;
Received: 7 May 2018 / Revised: 22 May 2018 / Accepted: 28 May 2018 / Published: 5 June 2018
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In order to achieve DC voltage matching, on-board charging, and DC/AC power inversion, three independent power converters are often needed in traditional Distributed Power Converter (DPC) systems of electric vehicles (EVs): bidirectional DC/DC (Bi-DC/DC), AC/DC, and DC/AC. The requirement of electronic devices such as power switches, inductors, and capacitors make the converter costly and complicated in structure. In this paper, a power converter with multi-operating mode (PCMM) is presented. The proposed PCMM can work in Bi-DC/DC, AC/DC, and DC/AC modes. The state-space averaging model of PCMM considering resistance of Insulated Gate Bipolar Transistor (IGBT) and the inductor is presented. Based on this model, the transfer function of the system is derived and the controller is designed. The simulation and experimental results show that PCMM can meet the design target and verify the feasibility of the model. The measurement results show that the weight of PCMM proposed in this paper is reduced by 51.2% compared with the traditional structure. View Full-Text
Keywords: power converter; bidirectional DC/DC; AC/DC; DC/AC power converter; bidirectional DC/DC; AC/DC; DC/AC

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Feng, W.; Yutao, L. Modelling of a Power Converter with Multiple Operating Modes. World Electr. Veh. J. 2018, 9, 7.

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World Electr. Veh. J. EISSN 2032-6653 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
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