A Derating Control Strategy Based on the Stator Temperature of PMSM

Abstract:

The derating control strategy for motor stator temperature is a very effective protection measures. It not only can make better use of motor ability but also can satisfy the requirement of the vehicle. This paper presents a derating control strategy based on the temperature of stator winding ends since it is the highest temperature point from the simulation results. The motor stator temperature is divided into several regions applied with the various derating control rules. To limit the peak phase current instead of the torque is proposed to inhibit the temperature rise especially in the field weakening region because a large extra demagnetizing current is required in this region.

• Periodical: Applied Mechanics and Materials (Volumes 727-728)
• Pages: 683-686
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.727-728.683
• Online since: January 2015
• Authors: Yan Ling Cao*, Ping Cao
• Keywords: Derating, FEA, Motor Control, PMSM

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