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Analysis of salient-pole synchronous generators operating in single-phase condition

Spagnolo, C.; Nuzzo, S.; Serra, G.; Gerada, C.; Galea, M.

Authors

C. Spagnolo

S. Nuzzo

G. Serra

MICHAEL GALEA Michael.Galea@nottingham.ac.uk
Professor of Electrical Machines and Drives



Abstract

The power generation industry has recently started to invest interest and focus on the single-phase operation of traditional three-phase, wound-field, synchronous generators. This is partially due to a combination of customer requirements and the need to understand the extent of flexibility in their current products. This paper deals with an in-detail analysis of a salient-pole, wound-field, three-phase synchronous generator operating in single-phase condition, at unity power factor. The particular 400kVA alternator is first analysed via the classical analytical equations and the results compared with finite-element and available experimental measurements for validation purposes. The tools developed in this stage are then used to analyse the generator under study when it operates in single-phase condition with different values of load. In this work, it can be observed how single-phase operation of synchronous generators can result in an increase of the power-per-phase performance and that, with the appropriate winding configuration, the machine can be used in single-phase operation with a reduced loading.

Citation

Spagnolo, C., Nuzzo, S., Serra, G., Gerada, C., & Galea, M. (2017). Analysis of salient-pole synchronous generators operating in single-phase condition. In 2017 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD). https://doi.org/10.1109/WEMDCD.2017.7947720

Conference Name 2017 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD)
Start Date Apr 20, 2017
End Date Apr 21, 2017
Acceptance Date Mar 2, 2017
Online Publication Date Jun 15, 2017
Publication Date Apr 21, 2017
Deposit Date Aug 7, 2017
Publicly Available Date Aug 7, 2017
Peer Reviewed Peer Reviewed
Book Title 2017 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD)
ISBN 9781509058532
DOI https://doi.org/10.1109/WEMDCD.2017.7947720
Keywords Analytical modelling, Single-phase operation, Salient-poles, Synchronous generators
Public URL http://eprints.nottingham.ac.uk/id/eprint/44727
Publisher URL https://doi.org/10.1109/WEMDCD.2017.7947720
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf
Additional Information © 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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