多相感应电机三维电磁分析与损耗计算

doi:10.19595/j.cnki.1000-6753.tces.L80238

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Abstract Electromagnetic analysis plays an important role in motor design. Especially, loss calculation during rated operation is the precondition of temperature field calculation of motor. It is also the key to confirm the motor design program. In this paper, a twelve-phase induction motor with skewed slot is presented. Through establishing the motor’s three-dimensional field-circuit coupled nonlinear finite element computation model based on T, ψ -ψ method, the magnetic field and loss are investigated. The electromagnetic characteristics of motor under rated operating conditions is obtained. Then the distribution of the magnetic density in key position is analyzed. The results show that tooth harmonics are significantly suppressed by skewed slot. The motor loss calculated by finite element method is compared by the experimental result, which verified the validity of three-dimensional finite element method.

Key words： Multiphase induction motor loss calculation finite element simulation skewed slot radial ventilation ditch

Received: 29 June 2018 Published: 15 February 2019

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TM343

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	Zhang Wen
	Zheng Xiaoqin
	Wu Xinzhen

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Zhang Wen,Zheng Xiaoqin,Wu Xinzhen. Three-Dimensional Electromagnetic Analysis and Loss Calculation of Multiphase Induction Motors[J]. Transactions of China Electrotechnical Society, 2018, 33(zk2): 331-337.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.L80238 OR https://dgjsxb.ces-transaction.com/EN/Y2018/V33/Izk2/331

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