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Energies 2016, 9(2), 83; doi:10.3390/en9020083

The Chaotic-Based Control of Three-Port Isolated Bidirectional DC/DC Converters for Electric and Hybrid Vehicles

1
School of Electrical Engineering, Southeast University, Nanjing 210096, China
2
Aviation Key Laboratory of Science and Technology on Aerospace Electromechanical System Integration, No. 33 Shuige Road, Jiangning District, Nanjing 210061, China
*
Author to whom correspondence should be addressed.
Academic Editor: Joeri Van Mierlo
Received: 31 July 2015 / Revised: 10 January 2016 / Accepted: 13 January 2016 / Published: 27 January 2016
(This article belongs to the Special Issue Advances in Plug-in Hybrid Vehicles and Hybrid Vehicles)

Abstract

Three-port isolated (TPI) bidirectional DC/DC converters have three energy ports and offer advantages of large voltage gain, galvanic isolation ability and high power density. For this reason this kind of converters are suitable to connect different energy sources and loads in electric and hybrid vehicles. The purpose of this paper is to propose chaotic modulation and the related control scheme for TPI bidirectional DC/DC converters, in such a way that the switching harmonic peaks can be suppressed in spectrum and the conducted electromagnetic interference (EMI) is reduced. Two chaotic modulation strategies, namely the continuously chaotic modulation and the discretely chaotic modulation are presented. These two chaotic modulation strategies are applied for TPI bidirectional DC/DC converters with shifted-phase angle based control and phase-shifted PWM control. Both simulation and experiments are given to verify the validity of the proposed chaotic modulation-based control schemes. View Full-Text
Keywords: electric and hybrid vehicles; energy conversion; bidirectional DC/DC converter; chaotic modulation; shifted-phase angle based control electric and hybrid vehicles; energy conversion; bidirectional DC/DC converter; chaotic modulation; shifted-phase angle based control
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MDPI and ACS Style

Wang, Z.; Liu, B.; Zhang, Y.; Cheng, M.; Chu, K.; Xu, L. The Chaotic-Based Control of Three-Port Isolated Bidirectional DC/DC Converters for Electric and Hybrid Vehicles. Energies 2016, 9, 83.

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