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Wye-delta winding configuration for brushless operation of a wound field synchronous machine

Authors
Ayub, MuhammadHussain, AsifSirewal, GhulamKwon, Byung il
Issue Date
Sep-2020
Publisher
IOS Press BV
Keywords
Brushless; delta coils; MMF; triplen harmonic; WFSM; wye coils
Citation
International Journal of Applied Electromagnetics and Mechanics, v.64, no.1-4, pp.1165 - 1172
Indexed
SCIE
SCOPUS
Journal Title
International Journal of Applied Electromagnetics and Mechanics
Volume
64
Number
1-4
Start Page
1165
End Page
1172
URI
https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/1484
DOI
10.3233/JAE-209433
ISSN
1383-5416
Abstract
This manuscript proposes a wye-delta winding configuration for brushless operation of a wound field synchronous machine (BL-WFSM). In existing third harmonically excited BL-WFSM topologies, the additional third harmonic component of the stator magnetomotive force (MMF) was produced by an extra thyristor drive circuit or by utilizing an additional inverter. In the proposed single inverter topology, the stator winding is divided into two coil sets: the wye coil and delta coil. Triplen harmonic currents are produced owing to the delta coils set and start to circulate in the delta coils. This triplen harmonic circulating currents produce a triplen harmonic pulsating MMF in the airgap. The additional triplen harmonic pulsating MMF induces voltage in the rotor harmonic winding. This induced voltage in the harmonic winding is used to excite the rotor field. A 2D finite element analysis is performed, and the simulation results confirmed the operation principle of the proposed brushless topology. © 2020 - IOS Press and the authors. All rights reserved.
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COLLEGE OF ENGINEERING SCIENCES > SCHOOL OF ELECTRICAL ENGINEERING > 1. Journal Articles

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