列车过分相工况时通过无电区会引起电网电压的突变,由此可能会造成功率模块的过压或过流,文中论述了基于半实物仿真平台模拟过分相工况的全过程,详细说明了对弓网模型的优化,系统实时仿真并监测过分相进入无电区和恢复网压时刻的四象限输入电流、逆变输出电流的变化情况,用于验证优化后的半实物仿真模型功能并分析过分相工况对列车功率模块器件的影响。 When the train passes through the dead zone, the sudden change of grid voltage will result in overvoltage or overcurrent in the power module. The whole process of simulating the over-phase condition based on the semi-physical simulation platform is discussed in detail in the paper. In order to verify the optimization of the semi-physical simulation model, the simulation of bow mesh model, real-time simulation of the system and the monitoring of the four-quadrant input current and inverter output current when the over-phase enters the non-power zone and the restoration network voltage Analysis of over-phase conditions on the train power module device.