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Flux linkage analysis and cogging torque reduction techniques for field-excited flux switching machines

Khan, Faisal and Sulaiman, Erwan and Omar, Mohd Fairoz Flux linkage analysis and cogging torque reduction techniques for field-excited flux switching machines. In: International Conference on Power, Energy and Communication Systems (iPECS 2015), 24-25 August 2015, Universiti Malaysia Perlis, Malaysia.

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Abstract

Field-excited flux switching (FEFS) machine with salient rotor and non-overlap windings is a novel double salient machine having all the active components such as armature coil and field excitation coil (FEC) are located on the stator. First of all, the main structure, the initial flux linkage, and cogging torque based on two-dimensional Finite Element Analysis (FEA) under certain limitations and specifications are discussed. Since the initial design fails to attain the high flux linkage due to flux leakage and core saturation as well as suffer high cogging torque owing to double salient structure of FEFS machines, therefore deterministic optimization is adopted to enhance the performance of machine. The results have revealed that flux linkage of optimize design is improved 20 times the initial design, while no major effect is observed on cogging torque reduction and need to be overcome. This paper investigates various design techniques for reducing cogging torque in FEFS machine. Three design approaches namely; rotor pole chamfering, rotor pole-notching and rotor pole-pairing are proposed to suppress the cogging torque and simulated by FEA

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology > T Technology (General)
Divisions: Faculty of Electrical and Electronic Engineering > Department of Electrical Power Engineering
Depositing User: Mrs. Nurhayati Ali
Date Deposited: 13 Aug 2018 03:39
Last Modified: 13 Aug 2018 03:39
URI: http://eprints.uthm.edu.my/id/eprint/8300
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