Comprehensive Magnetic Field-Based Study on Effects of Static Rotor Eccentricity in Switched Reluctance Motor Parameters Utilizing Three-Dimensional Finite Element

2009 ◽  
Vol 29 (5) ◽  
pp. 421-433 ◽  
Author(s):  
Hossein Torkaman ◽  
Ebrahim Afjei
Keyword(s):  
Magnetic Field ◽  
Finite Element ◽  
Three Dimensional ◽  
Switched Reluctance Motor ◽  
Switched Reluctance ◽  
Rotor Eccentricity ◽  
Reluctance Motor ◽  
Dimensional Finite Element ◽  
Three Dimensional Finite Element

scholarly journals 3-D Finite Element Investigation of Flux Regulation Performance of a Novel Hybrid Excitation Brushless Claw-Pole Alternator

2012 ◽  
Vol 614-615 ◽  
pp. 1226-1229
Author(s):  
Dong Wei Qiao ◽  
Xiu He Wang ◽  
Chang Qing Zhu
Keyword(s):  
Magnetic Field ◽  
Finite Element ◽  
Three Dimensional ◽  
Element Analysis ◽  
Wide Range ◽  
Hybrid Excitation ◽  
Field Control ◽  
Dimensional Finite Element ◽  
Three Dimensional Finite Element ◽  
Control Principle

In consideration of low power density of electric excitation claw-pole alternator (EECA) and some difficulties in magnetic field regulation of permanent magnet claw-pole alternator (PMCA), a novel hybrid excitation brushless claw-pole alternator (HEBCA) is proposed in this paper. Its structure and field control principle are described. Three dimensional finite element analysis is used to obtain the no-load magnetic field distributions and field control capability under different field currents. The result shows that the flux of the prototype machine can be adjusted over a wide range with a relatively low field current

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