Design criteria for brushless dc motors for high-speed sensorless operation

descriptionPublicationkeyboard_double_arrow_right Article 01 Sep 2001 English Publisher:SAGE PublicationsJournal:International Journal of Applied Electromagnetics and Mechanics, volume 15, pages 79-87 (issn: 1383-5416, eissn: 1875-8800,

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Authors: Zhu, Z.Q.; Ede, J.D.; Howe, D.;

doi: 10.3233/jae-2002-446

Design criteria for brushless dc motors for high-speed sensorless operation

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Abstract

A design criteria for brushless dc motors for high-speed sensorless operation is described. It is shown that motors can be designed such that the free-wheeling diodes in the power electronic drive have a low conduction angle, while exhibiting high efficiency. Thus, established sensorless commutation strategies based on the detection of the zero-crossing of the back-emf waveform can be employed.

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University of Sheffield
United Kingdom

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