Method of Loss Separation of Permanent Magnet Synchronous Motor Based on Temperature Experiment
Luo Kaichuan1, Shi Wei1, Zhang Zhouyun2
1. College of Urban Rail Transit Shanghai University of Engineering Science Shanghai 201620 China 2. Shanghai Electric Drive Co. Ltd Shanghai 201806 China
Abstract In order to study the loss of each part of the permanent magnet synchronous motor (PMSM) under different working conditions and different temperatures, firstly, the losses of the PMSM are simulated based on the operating parameters and temperature, and the loss models are established. The temperature measuring components are embedded in each part of the stator and rotor of the PMSM, and the temperature and loss experiments of the PMSM are carried out by adopting the temperature test of variable working conditions. The equivalent thermal network model of the PMSM is established based on the heat conduction characteristics of the PMSM and the arrangement of the temperature measuring components. According to the results of temperature and total loss of the PMSM under different working conditions, the various losses of the thermal network model are calculated using the extended Kalman filter algorithm. Finally, the separated losses are analyzed and compared with the measured total loss and the calculated loss results to verify the correctness of the separation method and the loss model based on working conditions and temperature.
Luo Kaichuan,Shi Wei,Zhang Zhouyun. Method of Loss Separation of Permanent Magnet Synchronous Motor Based on Temperature Experiment[J]. Transactions of China Electrotechnical Society, 2022, 37(16): 4060-4073.
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