Investigation in Determining the Relative Position between Stator and Rotor of a PMSM in Electromagnetic Field Calculation

doi:10.1007/s11460-005-0007-7

2006, Vol. 1

Issue (1) : 67-71 https://doi.org/10.1007/s11460-005-0007-7

Investigation in Determining the Relative Position between Stator and Rotor of a PMSM in Electromagnetic Field Calculation

LIU Rui-fang¹, YAN Deng-jun², HU Min-qiang³

1.School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China; 2.College of Electrical Engineering, Hehai University, Nanjing 210098, China; 3.Department of Electrical Engineering, Southeast University, Nanjing 210096, China;

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Abstract When designing a universal finite element software for analyzing a permanent magnet synchronous motor, the relative position of the stator and rotor remains unknown. However, determining the relative position is a precondition for electromagnetic field calculation. Through analyzing the basic relationship of variables in a synchronous machine, the characteristics of an air-gap-resultant electromotive force and an inner power angle under a special inner power factor angle are obtained. A method similar to inverse problem solving is proposed. A series of electromagnetic field calculation under different armature current initial phase angles are carried out, and through searching the field of a special inner power factor angle, the relative position of the rotor and the stator can be determined subsequently.

Issue Date: 05 March 2006

Cite this article:

LIU Rui-fang,YAN Deng-jun,HU Min-qiang. Investigation in Determining the Relative Position between Stator and Rotor of a PMSM in Electromagnetic Field Calculation[J]. Front. Electr. Electron. Eng., 2006, 1(1): 67-71.

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https://academic.hep.com.cn/fee/EN/10.1007/s11460-005-0007-7
https://academic.hep.com.cn/fee/EN/Y2006/V1/I1/67

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