基于PACAD4.2搭建的双有源桥DC-DC变换器仿真模型，可实现基本的功能，可快速入门并可在此基础上进行进一步的学习等。(PACAD4.2 built based on the dual active bridge DC-DC converter simulation model, the basic functions can be achieved, can be quickly started, and on this basis for further study.)