Bidirectional converter for high-efficiency fuel cell powertrain

被引:26
作者
Fardoun, Abbas A. [1 ]
Ismail, Esam H. [2 ]
Sabzali, Ahmad J. [2 ]
Al-Saffar, Mustafa A. [2 ]
机构
[1] United Arab Emirates Univ, Dept Elect Engn, Al Ain, U Arab Emirates
[2] Coll Technol Studies, Dept Elect Engn, Al Shaab 36051, Kuwait
关键词
Bidirectional DC-DC converter; SEPIC converter; Switched capacitor; Switched mode power supplies; Coupled inductors; DC-DC CONVERTER; PWM CONTROL; DESIGN; SYSTEM; SUPERCAPACITORS; INVERTER;
D O I
10.1016/j.jpowsour.2013.10.122
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
In this paper, a new wide conversion ratio step-up and step-down converter is presented. The proposed converter is derived from the conventional Single Ended Primary Inductor Converter (SEPIC) topology and it is integrated with a capacitor-diode voltage multiplier, which offers a simple structure, reduced electromagnetic interference (EMI), and reduced semiconductors' voltage stresses. Other advantages include: continuous input and output current, extended step-up and step-down voltage conversion ratio without extreme low or high duty-cycle, simple control circuitry, and near-zero input and output ripple currents compared to other converter topologies. The low charging/discharging current ripple and wide gain features result in a longer life-span and lower cost of the energy storage battery system. In addition, the "near-zero" ripple capability improves the fuel cell durability. Theoretical analysis results obtained with the proposed structure are compared with other bi-direction converter topologies. Simulation and experimental results are presented to verify the performance of the proposed bi-directional converter. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码:470 / 482
页数:13
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