短时高过载永磁同步电机电磁热研究

doi:10.19595/j.cnki.1000-6753.tces.180537

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Abstract Short-term high-overload permanent magnet synchronous motors with high overload ratio, high dynamic response, and high reliability are widely used in aerospace and other applications. To improve the ability to the maximum torque output of the motor, the effect of magnetic and electric load on the motor of the overload capacity, and winding turns on the output of the extreme power at a constant speed were researched. The influence of the overload times on the loss distribution law of the motor was analyzed. The temperature rises of long-term work at room temperature and high temperature, short-term cycle work and short-term high overload conditions at room temperature, were obtained. The temperature rise of the heat capacity of housing was analyzed. Equipped with a motor experiment platform in different environments, the changes of the temperature rise at different ambient temperatures and at different working conditions was verified and current overload times at extreme torque conditions was tested. As the experimental results are consistent with the simulation, the theory is correct that can be theoretical reference for the short-time high overload motor.

Key words： Permanent magnet synchronous motor maximum torques short-term high-overload dynamic response ambient temperature

Received: 09 April 2018 Published: 14 June 2019

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TM359

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	Liu Yuxi
	Li Liyi
	Cao Jiwei
	Gao Qinhe
	Sun Zhaoxu

Cite this article:

Liu Yuxi,Li Liyi,Cao Jiwei等. Electromagnetic Thermal Analysis for Short-Term High-Overload Permanent Magnet Synchronous Motor[J]. Transactions of China Electrotechnical Society, 2019, 34(11): 2296-2305.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.180537 OR https://dgjsxb.ces-transaction.com/EN/Y2019/V34/I11/2296

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