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建立新型能馈式牵引供电系统的仿真模型,分别对牵引网直流侧近端短路和远端短路、交流侧两相相间短路进行仿真,对短路时电压电流的动态特性进行分析,提出给直流侧支撑电容串电阻来限制短路冲击电流的方法,并通过仿真进行验证,为新型能馈式牵引供电系统的保护特性选择以及牵引变电站容量和参数的设计提供参考依据。
The simulation model of feedforward traction power supply system is established. The simulation results of the short-circuit at the DC side, the short-circuit at the DC side, the short-circuit at the DC side, and the short-circuit at the AC side are presented respectively. The method of supporting the capacitor string resistor to limit the short-circuit inrush current is verified and verified by simulation. It provides a reference for the selection of protection characteristics of the new feed-fed traction power supply system and the design of traction substation capacity and parameters.