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电动汽车接入电网技术的双向变流系统研究

Distribution & Utilization(2012)

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Abstract
目前,国内研制只具备充电功能的电动汽车充电装置,还不具备目前被广泛关注的向电网放电的功能。为实现电动汽车与电网之间的双向能量交换,研究了采用AC/DC双向变流和DC/DC双向变流的两级变流的拓扑结构,讨论了基于dq变换的空间矢量脉冲宽度调制(PWM)双闭环控制的AC/DC双向变流系统和采用电流滞环跟踪PWM调制技术控制的DC/DC双向变流系统,并通过Matlab仿真,验证了拓扑结构及控制策略的可行性。
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Key words
system of bi-directional converter,electric vehicle,device of charge and discharge
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