Instantaneous angular speed monitoring of electric motors

Ahmed Yousef Ben Sasi, Fengshou Gu, Bradley Payne, Andrew Ball

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

This research presents the theory and implementation detail for the extraction of angular speed variations. In particular, bandpass 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.

LanguageEnglish
Pages123-135
Number of pages13
JournalJournal of Quality in Maintenance Engineering
Volume10
Issue number2
DOIs
Publication statusPublished - 30 Aug 2004
Externally publishedYes

Fingerprint

Electric motors
Monitoring
Poles
Rotors
Induction motors
Electric potential
Fault

Cite this

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Instantaneous angular speed monitoring of electric motors. / Ben Sasi, Ahmed Yousef; Gu, Fengshou; Payne, Bradley; Ball, Andrew.

In: Journal of Quality in Maintenance Engineering, Vol. 10, No. 2, 30.08.2004, p. 123-135.

Research output: Contribution to journalArticle

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