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电动汽车辅助动力系统双向DC/DC变流器控制 被引量:1

Control of Bi-directional DC/DC Converter for Auxiliary Power System Application of Electric Vehicle
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摘要 电动汽车在快速启动、加速、爬坡时,蓄电池需要大电流放电,而电动汽车制动、减速回收能量时会发生大电流快速充电。这些情况会对蓄电池造成伤害,减少蓄电池寿命。针对电动汽车动力系统的要求,应用超级电容和Bi-DC/DC变流器组成辅助动力系统,以弥补蓄电池的特性缺陷。设计了Bi-DC/DC的控制策略和模式切换策略,制作了5 kW电动汽车辅助动力系统Bi-DC/DC变流器样机,并进行了实验验证。 When electric vehicle (EV) fast start, accelerate or climb, battery is discharged in high-current, and when EV brake or slow down, battery is charged in high-current.These situations may damage the battery and reduce battery's lifespan.To meet requirements of EV's power performance,this paper designs EV auxiliary power system which is consisting of super capacitor and bi-directional DC/DC (Bi-DC/DC) converter, and it can be applied to make up for the limitations of battery.Control strategies and mode-switching strategies of the EV auxiliary power system are designed. And a 5 kW Bi-DC/DC converter of EV auxiliary power system is made.The experimental results demonstrate the effectiveness of the proposed strategy.
出处 《电力电子技术》 CSCD 北大核心 2012年第7期43-45,共3页 Power Electronics
关键词 电动汽车 辅助动力系统 变流器 超级电容 electric vehicle auxiliary power system converter super capacitor
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参考文献4

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二级参考文献5

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