基于子域分析模型的实心转子感应电机磁场解析

doi:10.19595/j.cnki.1000-6753.tces.210492

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Abstract As a simple and efficient method of magnetic field analysis, subdomain techniques have been widely used in the analytical calculation of constant magnetic field analysis for electrical machines. Taking the solid rotor induction machine as an example, the subdomain technique is extended to the field of magnetic quasi-static field analysis in this paper. The solver region of the solid rotor induction machine is divided into the stator slot domain, the air-gap domain and the solid rotor domain in the two-dimensional polar coordinate plane, thereby establishing an accurate subdomain model of the solid rotor induction machine considering the stator slotting effect in the complex frequency domain. The analytical model focuses on solving the partial differential equations of the solid rotor subdomain. According to the different operating modes, the analytical expressions for synchronous operation and asynchronous operation are given. Then, the operational inductance of the solid rotor induction machine is calculated by the flux linkage method. Finally, the accuracy of the analytical model is verified by two-dimensional harmonic finite element analysis.

Key words： Solid rotor induction machine operational inductance accurate subdomain model analytical solution of magnetic field stator slotting operational inductance Solid rotor induction machine accurate subdomain model analytical solution of magnetic field stator slotting operational inductance

Received: 11 April 2021

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TM351

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	Zhang Shoushou
	Zhang Shoushou
	Guo Siyuan
	Guo Siyuan

Cite this article:

Zhang Shoushou,Zhang Shoushou,Guo Siyuan等. Analytical Solution of Magnetic Field in Solid Rotor Induction Machine Based on Subdomain Model[J]. Transactions of China Electrotechnical Society, 2021, 36(20): 4285-4296.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.210492 OR https://dgjsxb.ces-transaction.com/EN/Y2021/V36/I20/4285

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