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Back EMF Design of an AFPM Motor using PCB Winding by Quasi 3D Space Harmonic Analysis Method
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 Title & Authors
Back EMF Design of an AFPM Motor using PCB Winding by Quasi 3D Space Harmonic Analysis Method
Jang, Dae-Kyu; Chang, Jung-Hwan; Jang, Gun-Hee;
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 Abstract
This paper presents a method to design the waveform of a back electromotive force (back EMF) of an axial flux permanent magnet (AFPM) motor using printed circuit board (PCB) windings. When the magnetization distribution of permanent magnet (PM) is given, the magnetic field in the air gap region is calculated by the quasi three dimensional (3D) space harmonic analysis (SHA) method. Once the flux density distribution in the winding region is determined, the required shape of the back EMF can be obtained by adjusting the winding distribution. This can be done by modifying the distance between patterns of PCB to control the harmonics in the winding distribution. The proposed method is verified by finite element analysis (FEA) results and it shows the usefulness of the method in eliminating a specific harmonic component in the back EMF waveform of a motor.
 Keywords
Axial flux;Back electromotive force;PCB winding;Space harmonic analysis;
 Language
English
 Cited by
1.
Performance analysis of Vernier slotted doubly salient permanent magnet generator for wind power, International Journal of Hydrogen Energy, 2016  crossref(new windwow)
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