Combin ing with the design of auxiliary power supply on200km/h EMU,this paper analyzes and calcu-lates the voltage pulsating ratio of DC output in several rectifying circuits. The SUB simulation results are also given out.

• 文章结合200km/h电动车组辅助电源的设计,对几种整流电路中直流输出电压脉动率进行分析计算,并给出其SUB仿真结果。