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Test Characterization of a High Performance Fault Tolerant Permanent Magnet Machine

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Original languageEnglish
Title of host publication2017 IEEE International Electric Machines & Drives Conference (IEMDC 2017)
Publisher or commissioning bodyInstitute of Electrical and Electronics Engineers (IEEE)
ISBN (Electronic)9781509042814
ISBN (Print)9781509042821
DOIs
DateAccepted/In press - 15 Feb 2017
DatePublished (current) - 8 Aug 2017

Abstract

It is well understood that an electric machine’s output performance is limited by its losses and thermal behavior. For novel prototype machines, hardware testing processes are an important part of quantifying these parameters. For some machines, effective characterization may be accomplished using a series of static and simple prime-mover tests. The resulting data permits calibration of loss- and thermal-models. These can then be used to predict on-load performance. Fault-tolerant machines based on single layer winding arrangements are designed to minimize interaction between windings or module-groups. This paper demonstrates that, for such a machine, the losses measured during simple DC and primer-mover tests may be used to infer performance during both ‘healthy’ and ‘faulted’ operating modes. Under faulted conditions the total machine loss is expected to be a combination of module-specific and common losses, which can be directly deduced from hardware tests. This paper discusses the accuracy of loss superposition when applied to a 180 kW multi-channel, fault-tolerant aerospace machine. From observations following faulted and healthy dynamometry tests, there exists close correlation between full-load performance and estimates made from the superposition of losses under discrete operating modes.

    Research areas

  • Characterization of electrical machines, dynamometer evaluation, permanent-magnet machines, electrical fault-tolerance

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  • Full-text PDF (accepted author manuscript)

    Rights statement: This is the author accepted manuscript (AAM). The final published version (version of record) is available online via IEEE at http://ieeexplore.ieee.org/document/8002330/. Please refer to any applicable terms of use of the publisher.

    Accepted author manuscript, 704 KB, PDF-document

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