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

Energies ◽  
2016 ◽  
Vol 9 (8) ◽  
pp. 580 ◽  
Author(s):  
Peixin Liang ◽  
Yulong Pei ◽  
Feng Chai ◽  
Kui Zhao
Keyword(s):  
Permanent Magnet ◽  
Function Theory ◽  
Analytical Calculation ◽  
Permanent Magnet Motors ◽  
Interior Permanent Magnet

scholarly journals Analytical Calculation of Armature Reaction Field of the Interior Permanent Magnet Motor

Energies ◽  
2018 ◽  
Vol 11 (9) ◽  
pp. 2375 ◽  
Author(s):  
Fangwu Ma ◽  
Hongbin Yin ◽  
Lulu Wei ◽  
Liang Wu ◽  
Cansong Gu
Keyword(s):  
Magnetic Field ◽  
Permanent Magnet ◽  
Calculation Method ◽  
Acoustic Noise ◽  
Analytical Calculation ◽  
Critical Issue ◽  
Permanent Magnet Motors ◽  
Reaction Field ◽  
Armature Reaction ◽  
Interior Permanent Magnet

The energy crisis and environmental concerns worldwide have helped usher in the age of electric vehicles (EVs) and hybrid EVs (HEVs). The interior permanent magnet motors (IPMMs) are widely used in these vehicles. The analysis of the armature reaction field is the most critical issue in the study of IPMMs since it determines the characters of torque, efficiency, vibration, and the radiated acoustic noise. This paper provides a calculation method of the armature reaction magnetic field (ARMF) of an IPMM. First, the formulas of ARMF without magnetic barrier are derived. Second, the relative permeance function of an IPMM is calculated. Third, the analytical solution of the ARMF of an IPMM is derived by applying the armature reaction magnetic field with unsaturated rotor multiplied by relative permeance function. Finally, several results of comparisons between the calculation method proposed in this paper and the finite element method are presented. Based on the calculation method proposed in this paper, the magnetic barrier’s influence on the ARMF is studied. The spatial harmonic orders and time harmonic orders of the ARMF of IPMM are revealed respectively.

Development of Interior Permanent Magnet Motors with Concentrated Windings for Reducing Magnet Eddy Current Loss

2009 ◽  
Vol 129 (11) ◽  
pp. 1022-1029 ◽  
Author(s):  
Katsumi Yamazaki ◽  
Yuji Kanou ◽  
Yu Fukushima ◽  
Shunji Ohki ◽  
Akira Nezu ◽  
...  
Keyword(s):  
Permanent Magnet ◽  
Eddy Current ◽  
Eddy Current Loss ◽  
Permanent Magnet Motors ◽  
Current Loss ◽  
Interior Permanent Magnet
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