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The air pollution have become a major social problem. The motor is applied to the traction system. The traction motor operates in wide operation range. In this paper, 120kW Concentrated winding IPMSM is presented as existing model. In the high speed, harmonics of the motor becomes large, it becomes a problem in the control side. Therefore, when designing a vehicle electric motor, it is necessary to...
Thrust ripples are the main factors which affect the application and development of permanent magnet linear synchronous motor (PMLSM). In order to control and compensate the thrust fluctuations of permanent magnet synchronous motor, the mathematical model of thrust fluctuations must be established first. In this article, the theoretical analysis and derivation of the main factors affecting thrust...
The significant drawback of the permanent magnet linear synchronous motor (PMLSM) is force ripples, which are generated by the distortion of the stator flux linkage distributions, cogging forces caused by the interaction of the permanent magnet and the iron core and the end effects. This will deteriorate the performance of the drive system in high precision applications. The PMLSM and its parasitic...
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