Cogging Torque Reduction in Brushless DC Motors Using Slot-Opening Shift | Zendy

Seyedamin Saied | Zendy; Karim Abbaszadeh | Zendy

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Cogging Torque Reduction in Brushless DC Motors Using Slot-Opening Shift

Author(s) -

Seyedamin Saied,

Karim Abbaszadeh

Publication year - 2009

Publication title -

advances in electrical and computer engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.254

H-Index - 23

eISSN - 1844-7600

pISSN - 1582-7445

DOI - 10.4316/aece.2009.01005

Subject(s) - skew , stator , cogging torque , reduction (mathematics) , torque , dc motor , control theory (sociology) , computer science , automotive engineering , electrical engineering , engineering , mathematics , physics , artificial intelligence , telecommunications , control (management) , geometry , thermodynamics

In this paper, two new methods for the stator skew are introduced. In contrary with the conventional stator skew, this paper is concentrate on the slot-opening skew. The simula-tion result by finite element shows a considerable reduction in the cogging torque of the motors, the new methods are applied to. Moreover the simulations justify that the back-EMF shape remains trapezoidal for various skew angles in contrary with that in the conventional skew, this fact makes the method highly applicable in BLDC motors

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