Analytical Calculation of D - and Q -axis Inductance for Interior Permanent Magnet Motors Based on Winding Function Theory

Peixin Liang, Yulong Pei, Feng Chai and Kui Zhao
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Peixin Liang: State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150001, China
Yulong Pei: Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150001, China
Feng Chai: State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150001, China
Kui Zhao: Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150001, China

Energies, 2016, vol. 9, issue 8, 1-11

Abstract: Interior permanent magnet (IPM) motors are widely used in electric vehicles (EVs), benefiting from the excellent advantages of a more rational use of energy. For further improvement of energy utilization, this paper presents an analytical method of d - and q -axis inductance calculation for IPM motors with V-shaped rotor in no-load condition. A lumped parameter magnetic circuit model (LPMCM) is adopted to investigate the saturation and nonlinearity of the bridge. Taking into account the influence of magnetic field distribution on inductance, the winding function theory (WFT) is employed to accurately calculate the armature reaction airgap magnetic field and d - and q -axis inductances. The validity of the analytical technique is verified by the finite element method (FEM).

Keywords: interior permanent magnet motor; d - and q -axis inductances; lumped parameter magnetic circuit model; winding function theory; armature reaction magnetic field; saturation; nonlinearity (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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