ZVZCS软开关变换器的研究

Research on ZVZCS Soft-Switching Converter

在变换器研究领域中,提高变换器效率是研究热点之一,常通过实现开关管的软开关的方法来降低开关损耗,提高效率。首先,基于移相控制方法,分析了ZVZCS全桥变换器的工作原理和软开关条件,解决了滞后桥臂零电流开通的问题;其次,设计了输出分别为负载和蓄电池时的闭环控制策略;最后,通过MATLAB仿真平台验证了理论分析的正确性。

In the research field of converter,improving the efficiency of converter is one of the hot research topics.It often reduces the switching loss and improves the efficiency by realizing the soft switch of switch pipe.Firstly,based on the phase shift control method,analyzing the working principle and soft switching conditions of the ZVZCS full bridge converter,solving the problem of zero current opening of the lag bridge arm.Secondly,designing the closed-loop control strategy when the output is load and battery.Finally,the correctness of the theoretical analysis is verified through the MATLAB simulation platform.