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Stator current frequency analysis for condition monitoring of induction motors. II. Variable supply frequency
journal contribution
posted on 2023-05-16, 10:50 authored by Sam, H, Innes, AG, Langman, RThis paper describes three methods for the detection of rotor damage in an induction motor controlled by a variable frequency drive. They are (i) synchronous sampling of the stator current waveform using phase locked loop circuitry, (ii) time-frequency and wavelet analysis of stator current, and (iii) frequency spectrum analysis of the instantaneous input power of the motor. Experimental results from the three methods are presented. Some conclusions are drawn for the application to condition monitoring.
History
Publication title
Journal of Electrical and Electronics Engineering, AustraliaVolume
17Pagination
57-69ISSN
0725-2986Department/School
School of EngineeringPublisher
Engineers Media Pty Ltd.Place of publication
AustraliaRepository Status
- Restricted