中文说明：隔离型DC-DC变换器降压仿真模型.使用了全桥结构，并移相控制算法实现，适用于大功率及对电气隔离有要求电压变换系统.
English Description：
The buck simulation model of isolated DC-DC converter uses full bridge structure and phase-shift control algorithm, which is suitable for high-power and voltage conversion systems with electrical isolation requirements