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Computation of No-Load Electromagnetic Rotor Losses in High-Speed

Record type: Conference or Workshop Item (Other)

Travelling wave harmonics of flux density on the rotor surface of a high-speed PM machine, caused by stator slotting, can produce substantial losses. A method is presented for calculating these losses, accounting for the true heteropolar nature of the problem. Harmonic waves are calculated by double FFT analysis of flux density data at the rotor surface, obtained from typically 60 magnetostatic solutions for different rotor positions. Electromagnetic losses for each harmonic are calculated using a 5-layer travelling current-sheet model. Results show that losses are strongly dependent on the sizes of airgap, magnet thickness, slot opening and slot pitch, and material properties.

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Citation

Sharkh, Suleiman M Abu, Harris, Martyn R and Irenji, Neamat Taghizadeh (1997) Computation of No-Load Electromagnetic Rotor Losses in High-Speed , pp. 715-16.

More information

Published date: November 1997
Organisations: Electronics & Computer Science

Identifiers

Local EPrints ID: 254470
URI: http://eprints.soton.ac.uk/id/eprint/254470
PURE UUID: ab01bc3e-e4e0-4b1d-ac14-95fa6cb3621e

Catalogue record

Date deposited: 06 Apr 2001
Last modified: 18 Jul 2017 09:52

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Contributors

Author: Suleiman M Abu Sharkh
Author: Martyn R Harris
Author: Neamat Taghizadeh Irenji

University divisions


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