【摘要】 分析了半桥逆变器、双Buck逆变器、三电平逆变器等具有直流侧分压电容拓扑结构的共性缺点,在高升压比直流变换器的基础上提出一种升压型双输出直流变换器。给出了该拓扑的均压控制策略,通过实验验证了控制策略的有效性。所提出的拓扑与双Buck逆变器以及三电平半桥逆变器构成新型升压逆变器,解决了分压电容结构的中性点漂移问题。搭建样机对两种新型升压逆变器进行了验证,其结果证明了拓扑的正确性。更多还原

【Abstract】 Half bridge inverter,double Buck inverter and three-level half bridge inverter have voltage dividing capaci-tor.The common weakness of Those inverters is studied,and a new Boost dual output DC/DC converter based on a high Boost DC/DC topology is proposed.Even voltage control theory is designed for the new converter,and verified by the experiment.Two new Boost inverters which combine the proposed topology with double Buck inverter and three-level inverter solve the neutral point drafting problem.A prototype is built,and the experimental results prove the cor-rectness of the proposed DC/DC converter.更多还原