【摘 要】
:
提出一种适用于宽电压范围的H桥三端口变换器.在H桥升降压变换器的基础上引入变压器副边整流滤波电路,形成变换器的第3个输出端口,从而构造出H桥三端口变换器;变换器包括两个
【基金项目】
:
电力系统及发电设备控制和仿真国家重点实验室基金;国家自然科学基金
论文部分内容阅读
提出一种适用于宽电压范围的H桥三端口变换器.在H桥升降压变换器的基础上引入变压器副边整流滤波电路,形成变换器的第3个输出端口,从而构造出H桥三端口变换器;变换器包括两个双向输入/输出端和一个隔离输出端,分别与输入源、蓄电池和负载相连,同时实现三者的功率控制;变换器的原边电路等效为H桥升降压变换器,可以适应输入源电压宽范围变化的应用需求.详细分析变换器的工作状态及开关模态,分析开关时序对变压器直流偏置电流的影响,提出优化的开关时序控制方式,最后通过实验验证理论分析的正确性.
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