scholarly journals Comparison of the torque characteristics of ferromagnetic rotor double stator brushless DC permanent magnet motor

2012 ◽  
Author(s):  
R. N. Firdaus ◽  
M. Norhisam ◽  
N. Mariun ◽  
I. Aris ◽  
M. Nirei ◽  
...  
Keyword(s):  
Permanent Magnet ◽  
Permanent Magnet Motor ◽  
Brushless Dc

A New Control Strategy of Five-Phase Permanent-Magnet Motor Drives with a Third Harmonic Current Injection

2011 ◽  
Vol 464 ◽  
pp. 191-194
Author(s):  
Guo Hai Liu ◽  
Li Hao Yan ◽  
Duo Zhang ◽  
Wen Xiang Zhao
Keyword(s):  
Permanent Magnet ◽  
Harmonic Component ◽  
Motor Drives ◽  
Permanent Magnet Motor ◽  
Harmonic Current ◽  
Third Harmonic ◽  
Torque Density ◽  
Brushless Dc ◽  
The Third ◽  
Three Phase

In this paper, a five-phase permanent-magnet (PM) brushless dc (BLDC) motor is investigated, which has almost trapezoidal back electromotive force(EMF) due to its concentrated windings. Since the third harmonic component in the magnetic field is utilized, the presented five-phase BLDC motors have a higher torque density over conventional three-phase ones, in which the third harmonic current is injected. This paper proposes a new five-phase transformation system, by which the vector control is easily applicable to five-phase BLDC motors. Finally, the results verify the validity of the proposed method.

The Analytical Model of a Slotless Switched Permanent Magnet Motor

2018 ◽  
pp. 48-56
Author(s):  
Aleksandr A. AFANAS’YEV ◽  
◽  
Dmitrii A. TOKMAKOV ◽  
Kong Tam NGUYEN ◽  
◽  
...  
Keyword(s):  
Permanent Magnet ◽  
Analytical Model ◽  
Permanent Magnet Motor
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