scholarly journals Analysis of a New Linear Dual Stator Consequent Pole Halbach Array Flux Reversal Machine

2021 ◽  
Vol 34 (8) ◽  
Keyword(s):  
Flux Reversal ◽  
Halbach Array ◽  
Flux Reversal Machine ◽  
Consequent Pole

scholarly journals Linear consequent pole Halbach array flux reversal machine

2019 ◽  
Vol 2019 (17) ◽  
pp. 4560-4565 ◽  
Author(s):  
Mohammad Abdul Hakim Raihan ◽  
Nick Baker ◽  
Kristopher Smith ◽  
Ahmed Almoraya
Keyword(s):  
Flux Reversal ◽  
Halbach Array ◽  
Flux Reversal Machine ◽  
Consequent Pole

scholarly journals Comparative Study of Dual PM Vernier Machines

2021 ◽  
Vol 12 (1) ◽  
pp. 12
Author(s):  
Huan Qu ◽  
Zi Qiang Zhu ◽  
Toru Matsuura ◽  
Dusan Ivanovic ◽  
Takashi Kato ◽  
...  
Keyword(s):  
Comparative Study ◽  
Open Circuit ◽  
Torque Density ◽  
Halbach Array ◽  
Higher Power ◽  
Pole Structure ◽  
Consequent Pole ◽  
Torque Ripples ◽  
Two Machines ◽  
Load Conditions

In this paper, two types of dual permanent magnet (PM) machines, i.e., stator slot dual-PM (SSDPM) machine and split-tooth dual-PM (STDPM) machine, are investigated and compared. Both machines have consequent pole structure with Halbach array PMs. Their difference lies in the position of stator PM. The SSDPM machine has Halbach array PMs in the stator slots, while the STDPM machine has PMs between the split teeth. Torque characteristics, i.e., average torques and torque ripples, of different slot/pole number combinations of the two machines are compared. The 24 stator slots/20 rotor slots/4 armature pole pair (24S20R4Pa) SSDPM machine with distributed windings and the 24 stator slots/10 rotor slots/4 armature pole pair (12S20R4Pa) STDPM machine with concentrated windings are compared under both open-circuit and on-load conditions. The results show that the SSDPM machine is more competitive by delivering higher torque density and higher power density.

Design and Analysis of a Novel Hybrid Excitation Flux Reversal Machine

2021 ◽  
Vol 36 (2) ◽  
pp. 218-228
Author(s):  
Xianming Deng ◽  
Zhen Jia ◽  
Xiaohan Zhao
Keyword(s):  
Motor Performance ◽  
Opposite Polarity ◽  
Magnetic Pole ◽  
Element Analysis ◽  
The Core ◽  
Flux Reversal ◽  
The Finite Element Analysis ◽  
Hybrid Excitation ◽  
Working Principle ◽  
Flux Reversal Machine

A novel hybrid excitation flux reversal machine (HEFRM) is developed. The machine has a simple reluctance rotor and a stator, which has both an ac armature winding and a dc field winding. The core on the surface of the pole arc at the centerline of the stator pole and the core on the outer surface of the stator yoke each have a slot along the rotating axis, where the field windings are placed. A permanent magnet (PM) with opposite polarity is placed respectively on each side of a slot in the same stator pole. In this paper, the working principle of the new HEFRM is introduced, the influence of magnetic pole parameters and armature parameters on motor performance are also analyzed, and genetic algorithm (GA) is used for multi-objective optimization of the torque characteristics. Finally, the HEFRM prototype is built, and its theoretical correctness is verified by the finite element analysis (FEA).

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