牵引网络电压波动对永磁同步牵引传动系统的影响

Dongbin Zhao, F. Lin, Zhongping Yang
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引用次数: 0

摘要

本文建立了永磁同步电动机牵引驱动系统的数学模型。将模型线性化后,推导出以直流牵引电压波动为输入的状态方程。然后利用直流牵引网络电压波动时的零极图,分析了变电站与电动机的距离、电动机转速和直流环节电感对永磁同步电动机牵引驱动系统的影响。最后,仿真结果验证了分析的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effects of the traction network voltage fluctuation on the permanent magnet synchronous traction drive system
In this paper, the mathematical model of the PMSM (permanent magnet synchronous motor) traction drive system is established. After the linearization of the model, the equation of state which takes the fluctuations of the DC traction voltage as input is deduced. Then the effects of the distance between the substation and the motor, the speed of the motor and the dc-link inductor on the PMSM traction drive system are analyzed by using the zero-pole map when the voltage of the DC traction network waved. At last, the simulation results proves the validity of the analysis.
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