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Operation of fault tolerant machines with winding failures

Lookup NU author(s): Professor Barrie Mecrow, Professor Alan Jack, Dr Dave Atkinson


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This paper examines winding faults in a demonstrator drive, based on a specification for an aircraft fuel pump. This drive has been designed with a degree of inherent fault tolerance and is capable of continued operation in the presence of a variety of faults. Some of the most severe faults arise from winding insulation failure within a phase of the machine. A method of detecting turn to turn short circuits which can result from winding insulation breakdown is presented, along with a strategy for continued post fault operation of the drive. The detection method operates in real time, requires no additional sensors and is sufficiently sensitive to detect even a single shorted turn.

Publication metadata

Author(s): Mecrow BC; Atkinson DJ; Jack AG; Haylock JA

Publication type: Article

Publication status: Published

Journal: IEEE Transactions on Energy Conversion

Year: 1999

Volume: 14

Issue: 4

Pages: 1490 - 1495

Print publication date: 01/12/1999

ISSN (print): 08858969

ISSN (electronic): 1558-0059

Publisher: IEEE


DOI: 10.1109/60.815095


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