用于燃料电池/电池/超级电容器电动汽车的多输入集成DC/DC转换器和监控

Seyoung Kim, S. Williamson
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引用次数: 1

摘要

本文提出了一种用于燃料电池/电池/超级电容器电动汽车的新型多输入DC/DC集成变换器。功率密度按燃料电池、电池、超级电容器的顺序增大,能量密度则相反。该变换器结合了交错型升压变换器和两个并联的双向DC/DC变换器。该拓扑结构的优点是由于不使用重型电源变压器而提高了功率密度,并且可以轻松控制电池和超级电容器的充电状态。
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Multiple input integrated DC/DC converters and supervisery control for fuel cell/battery/ultracapacitor electric vehicle
In this paper, a new multiple-input DC/DC integrated converter is proposed for a fuel cell/battery/ultracapacitor electric vehicle. The power density increases in the order of fuel cell, battery, and ultracapacitor and the energy density is reverse of the order. The proposed converter combines interleaved type boost converters and two parallel-connected bidirectional DC/DC converters. The advantages of the proposed converter topology are improved power density, due to the fact that a heavy power transformer is not used, and the state of charge of battery as well as that of the ultracapacitor can be controlled easily.
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