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Type: Conference paper
Title: Detection of broken rotor bar faults and effects of loading in induction motors during rundown
Author: Supangat, R.
Grieger, J.
Ertugrul, N.
Soong, W.
Gray, D.
Hansen, C.
Citation: IEMDC '07: IEEE International Electric Machines & Drives Conference, 3-5 May, 2007:pp.196-201
Publisher: IEEE
Publisher Place: CDROM
Issue Date: 2007
ISBN: 1424407435
Conference Name: IEMDC'07 (2007 : Antalya, Turkey)
Abstract: The detection of broken rotor bar faults based on the common steady-state Fourier transform technique is known to be dependent on the loading condition and the quality of the supply. This paper attempts to minimise these issues by utilising the induced voltage in the stator windings after supply disconnection. When the supply is disconnected, the stator current rapidly drops to zero and the only source of the stator induced voltage an instant after the supply disconnection is due to currents in the rotor. The rotor currents are sensitive to broken rotor bar faults and directly affect the rundown induced voltage in the stator windings. The performance of two different broken rotor bar detection techniques, based on the Fourier transform and the wavelet transform, are investigated over a wide range of loading conditions.
Description: © Copyright 2007 IEEE
RMID: 0020073896
DOI: 10.1109/IEMDC.2007.383576
Appears in Collections:Electrical and Electronic Engineering publications
Environment Institute publications

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