Turn-turn short circuit fault management in permanent magnet machines

Arumugam, Puvaneswaran and Hamiti, Tahar and Gerada, C. (2015) Turn-turn short circuit fault management in permanent magnet machines. IET Electric Power Applications, 9 (9). pp. 634-641. ISSN 1751-8679

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This paper presents a systematic study on turn-turn short circuit fault and ways to manage them to provide a basis for comparison of the various options available. The possible methods to reduce the likelihood of the winding SC fault and the fault mitigation techniques related to such faults are discussed. A Finite Element (FE) analysis of a surface-mount Permanent Magnet (PM) machine under application of different mitigation techniques during a turn-turn fault is presented. Both machine and drive structural adaptations for different fault mitigation techniques are addressed. Amongst the investigated fault mitigation techniques, the most promising solution is identified and validated experimentally. It is shown that the shorting terminal method adopting vertical winding arrangement is an effective method in terms of the implementation, reliability and weight.

Item Type: Article
Additional Information: This paper is a postprint of a paper submitted to and accepted for publication in IET Electric Power Applications and is subject to Institution of Engineering and Technology Copyright. The copy of record is available at IET Digital Library.
Keywords: Inter-turn, Short Circuit, Fault Tolerance, Fault Mitigation, PM Machine, Safety, Reliability
Schools/Departments: University of Nottingham UK Campus > Faculty of Engineering > Department of Electrical and Electronic Engineering
Identification Number: https://doi.org/10.1049/iet-epa.2015.0020
Depositing User: Burns, Rebecca
Date Deposited: 31 Aug 2016 12:46
Last Modified: 13 Sep 2016 12:03
URI: http://eprints.nottingham.ac.uk/id/eprint/36138

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