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Instantaneous angular speed monitoring of electric motors

Sasi , Ahmed Yousef Ben, Gu, Fengshou, Payne , Bradley and Ball, Andrew (2004) Instantaneous angular speed monitoring of electric motors. Journal of Quality in Maintenance Engineering, 10 (2). pp. 123-135. ISSN 1355-2511

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Abstract

This research presents the theory and implementation detail for the extraction of angular speed variations. In particular, band-pass filtering, frequency shifting and analytic representation are addressed with simple mathematical equations. Finally, some case studies on a 3kW induction motor are investigated for healthy and faulty conditions. Some vital key features and characteristics can be extracted from the angular speed variations. Pole pass speed side bands around the rotor speed can be used as a feature for broken rotor bar faults. The number of poles multiplied by the synchronous running speed cycles and the rise of 100 Hz components are key characteristics for voltage imbalance faults.

Item Type: Article
Subjects: T Technology > T Technology (General)
T Technology > TJ Mechanical engineering and machinery
Schools: School of Computing and Engineering
School of Computing and Engineering > Automotive Engineering Research Group
School of Computing and Engineering > Diagnostic Engineering Research Centre
School of Computing and Engineering > Diagnostic Engineering Research Centre > Energy, Emissions and the Environment Research Group
School of Computing and Engineering > Diagnostic Engineering Research Centre > Machinery Condition and Performance Monitoring Research Group
School of Computing and Engineering > Diagnostic Engineering Research Centre > Measurement System and Signal Processing Research Group
School of Computing and Engineering > Informatics Research Group
School of Computing and Engineering > Informatics Research Group > XML, Database and Information Retrieval Research Group
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Depositing User: Sharon Beastall
Date Deposited: 20 Jan 2010 14:23
Last Modified: 08 Dec 2010 13:33
URI: http://eprints.hud.ac.uk/id/eprint/6812

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