Optimal Design and Experimental Verification of Wound Rotor Synchronous Machine Using Subharmonic Excitation for Brushless Operation

Asif Hussain, Shahid Atiq and Byung-il Kwon
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Asif Hussain: Department of Electronic Systems Engineering, Hanyang University, Ansan 15588, Korea
Shahid Atiq: Department of Electrical Engineering, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
Byung-il Kwon: Department of Electronic Systems Engineering, Hanyang University, Ansan 15588, Korea

Energies, 2018, vol. 11, issue 3, 1-15

Abstract: This paper presents an optimal design of a recently introduced brushless wound-rotor synchronous machine (BL-WRSM). The BL-WRSM, with a special stator winding arrangement, utilizes a single three-phase inverter for generating an additional spatial subharmonic component in the stator magnetomotive force (MMF). This subharmonic component of the stator MMF is used for the brushless excitation of the rotor. The pole span and pole shoe height were the optimized parameters, with the goals of improving the quality of output power and reducing torque ripple. Moreover, the average torque of the machine was improved by optimizing the harmonic winding placed on the rotor. The optimized BL-WRSM was further analyzed for the flux weakening operation. Finite element analysis (FEA) was carried out to analyze the performance of the BL-WRSM. Finally, the performance of the optimal BL-WRSM model was verified through an experimental test, which demonstrated good agreement with the simulation results.

Keywords: optimal design; brushless wound rotor synchronous machine (BL-WRSM); harmonic winding; finite element analysis (FEA) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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