Yongchao Xie, Jun Yan, Li Yang, Hui Zhang, and Canhui Wu
Rail transit traction motor, traction braking characteristics, test
Traction braking characteristics are an important parameter index to measure the performance of rail transit traction motors. Using the general mathematical model of rail transit traction motor, the traction braking characteristics of rail transit traction motor are analysed in detail, and the control strategy of rail transit traction motor operation and the typical characteristic parameters of rail transit traction motor are deduced. According to the operation control strategy of the rail transit traction motor, the rail transit traction motor intelligent integrated test system produced by Hunan Xinen Intelligent Technology Co., Ltd. is used in the traction system of the 200 kW Bombardier MJC250-7 rail transit traction motor used in Lanzhou Rail Transit Co., Ltd. The dynamic characteristics were tested, and the traction braking characteristic test parameters and performance test curves were obtained. It provides reference for testing traction and braking parameters of rail transit traction motors.
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