本电源系列适用于内燃和电力车型如：DF4B、DF7、DF8B、SS1等车型；由输入电源单元、监控单元、输出单元以及报警单元组成。具有电源电压控制精度高，模块智能化集成度高，故障导向安全，机务电务集中对接分界清楚易于检修等特点。

   this power series is suitable for internal combustion and electric locomotives such as DF4B, DF7, DF8B, SS1 and other models. The system is composed of the power supply input unit, monitoring unit, output unit and alarm unit. It features high control precision of power supply voltage, intelligent integration of modules, fault-oriented safety, integration of maintenance service and signal communication, and easy maintenance.