不同数值方法在自扇冷永磁同步电机三维热分析中的应用

doi:10.19595/j.cnki.1000-6753.tces.L70769

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Abstract In order to study the application of different numerical methods in the three- dimensional temperature field calculation of electric machines, a 11kW, 1 500r/min totally enclosed fan-ventilated line-start permanent magnet motor was taken as an example. The three-dimensional temperature field was calculated based on finite element method (FEM), finite formulation method (FFM), and finite volume method (FVM), respectively. With the use of multiple sets of meshes, the three-dimensional temperature field of permanent magnet synchronous machine (PMSM) was calculated by both FFM and FEM, and the results were compared with the same grids. Meanwhile, the computing convergence of FFM with different grids was analyzed. Finally, the differences of temperature field calculation results with FFM, FEM and FVM were compared, and the accuracy of the calculation was verified by a temperature rise test.

Key words： Finite formulation method finite element method finite volume method temperature field permanent magnet synchronous motor

Received: 30 August 2016 Published: 14 September 2017

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TM341

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	Tong Wenming
	Sun Jingyang
	Shu Shenglang
	Zhu Gaojia

Cite this article:

Tong Wenming,Sun Jingyang,Shu Shenglang等. Application of Different Numerical Methods in 3D Thermal Analysis for Fan-Ventilated Permanent Magnet Synchronous Machines[J]. Transactions of China Electrotechnical Society, 2017, 32(增刊1): 151-159.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.L70769 OR https://dgjsxb.ces-transaction.com/EN/Y2017/V32/I增刊1/151

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