Flux weakening control of electric starter-generator based on permanent-magnet machine

Bozhko, Serhiy and Rashed, Mohamed and Hill, Chris and Yeoh, Seang Shen and Yang, Tao (2017) Flux weakening control of electric starter-generator based on permanent-magnet machine. IEEE Transactions on Transportation Electrification . ISSN 2332-7782

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Abstract

The paper presents control analysis and design for a Permanent Magnet Machine (PMM) operated in Flux-Weakening (FW) mode for an aircraft electric starter-generator application. Previous literature has focused on FW control of PMMs in motoring (starting) mode, however the system stability and control in generating mode has been inadequately studied. The paper reports detailed, rigorous control analysis and design for a PMM based aircraft electric starter-generator operated in flux-weakening mode. It is shown that an unstable area of operation exists. A novel control scheme which eliminates this instability is proposed. The key analytical findings of the paper are verified by experimental investigation. The paper therefore concludes that the presented technique is able to ensure system stability under all modes of operation. Furthermore, it is noted that the findings of this work are also valuable for any two-quadrant PMM drive with frequent change between starting and generating regimes under current-limiting operation.

Item Type: Article
Additional Information: ©2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, 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 components of this work in other works.
Keywords: Permanent magnet machines, Generators, Stability, Current control, Limiting
Schools/Departments: University of Nottingham, UK > Faculty of Engineering > Department of Electrical and Electronic Engineering
Identification Number: 10.1109/TTE.2017.2718221
Depositing User: Burns, Rebecca
Date Deposited: 03 Aug 2017 10:47
Last Modified: 03 Aug 2017 19:39
URI: http://eprints.nottingham.ac.uk/id/eprint/44165

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