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Concept and Preliminary Sizing of a Dual DC-Bus Homopolar Generator Using Diode Rectifiers

Vannini, A.; Papini, L.; Marfoli, A.; Gerada, C.; Bolognesi, P.

Concept and Preliminary Sizing of a Dual DC-Bus Homopolar Generator Using Diode Rectifiers Thumbnail


Authors

A. Vannini

L. Papini

A. Marfoli

P. Bolognesi



Abstract

Synchronous Homopolar Generators represent an attractive solution for the future of power generation in propulsive systems based on hybrid turbo-electric drivetrains. In fact they feature both a fully controllable excitation, similar to wound-field synchronous machines, and a very robust rotor like switched reluctance machines. The above features make this machine topology a promising alternative also to PM synchronous generators, even when DC power buses have to be supplied via diode rectifiers. The preliminary electromagnetic sizing of a 15 kW @ 15 krpm homopolar synchronous generator is proposed as a concept demonstrator, and then validated via 3-D Finite-Element analysis. The generation system is designed on purpose to supply two independent 600 V DC power buses for improved redundancy, by using 4 winding sections supplying 2 three-phase diode rectifiers connected in series per each bus to reduce the voltage ripple.

Citation

Vannini, A., Papini, L., Marfoli, A., Gerada, C., & Bolognesi, P. (2022). Concept and Preliminary Sizing of a Dual DC-Bus Homopolar Generator Using Diode Rectifiers. In 2022 International Conference on Electrical Machines (ICEM) (2074-2080). https://doi.org/10.1109/icem51905.2022.9910897

Conference Name 2022 International Conference on Electrical Machines (ICEM)
Conference Location Valencia, Spain
Start Date Sep 5, 2022
End Date Sep 8, 2022
Acceptance Date Jun 15, 2022
Online Publication Date Sep 5, 2022
Publication Date Sep 5, 2022
Deposit Date Jan 6, 2023
Publicly Available Date Mar 28, 2024
Publisher Institute of Electrical and Electronics Engineers
Pages 2074-2080
Series ISSN 2381-4802
Book Title 2022 International Conference on Electrical Machines (ICEM)
ISBN 9781665414333
DOI https://doi.org/10.1109/icem51905.2022.9910897
Public URL https://nottingham-repository.worktribe.com/output/12888357
Publisher URL https://ieeexplore.ieee.org/document/9910897
Additional Information © 2022 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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