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Brushless Operation of a Wound-Field Synchronous Machine Using a Novel Winding Scheme

Title
Brushless Operation of a Wound-Field Synchronous Machine Using a Novel Winding Scheme
Author
권병일
Keywords
Brushless operation; sub-harmonic magnetomotive force (SH-MMF); winding scheme; wound-field synchronous machine (WFSM)
Issue Date
2019-06
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation
IEEE TRANSACTIONS ON MAGNETICS, v. 55, No. 6, Article no. 8201104
Abstract
This paper proposes a novel winding scheme to generate an additional sub-harmonic magneto-motive force (SH-MMF) component for the brushless (BL) operation of a wound-field synchronous machine. The existing SH generation schemes for BL operation use a dual inverter or a single inverter with asymmetrical winding and low slot fill factor in half of the stator. The proposed scheme comprises a single inverter with symmetrical stator winding distribution and the same fill factor for all stator slots. The generated additional SH-MMF component in the proposed scheme is induced in the harmonic winding wound on the machine rotor. A rotating bridge rectifier mounted on the rotor periphery connects the rotor harmonic winding with the rotor field winding, and rectified dc is supplied to the rotor field winding. The 2-D finite-element analysis (FEA) was carried out to analyze the principle, and the FEA predictions were experimentally validated.
URI
https://ieeexplore.ieee.org/document/8635517http://repository.hanyang.ac.kr/handle/20.500.11754/112411
ISSN
0018-9464; 1941-0069
DOI
10.1109/TMAG.2019.2893883
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > ELECTRICAL ENGINEERING(전자공학부) > Articles
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