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一种新的多输入全桥变换器

, PP. 24-32

Keywords: 多输入,全桥变换器,零电压开关,能量管理,新能源联合供电系统

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Abstract:

在新能源联合供电系统中,采用多输入直流变换器代替多个单输入直流变换器,可以简化电路结构,降低系统成本。本文提出了一种新颖的多输入全桥变换器,并且以双输入为例,通过分析双输入全桥变换器的工作原理及其特性,提出了多移相控制策略实现开关管的软开关,及一种实现两输入源功率分配的能量管理方法。最后通过一个800W的原理样机验证了理论分析的正确性和能量管理策略的有效性。

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