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Type: Conference paper
Title: Investigation of negative sequence components for stator shorted turn detection in induction motors
Author: Bakhri, S.
Ertugrul, N.
Soong, W.
Arkan, M.
Citation: Proceedings of the Australasian Universities Power Engineering Conference (AUPEC 2010), held in Christchurch New Zealand, 5-8 December 2010: pp.1-6
Publisher: ACPE
Publisher Place: New Zealand
Issue Date: 2010
Series/Report no.: Australasian Universities Power Engineering Conference
ISBN: 9780473182366
Conference Name: Australasian Universities Power Engineering Conference (20th : 2010 : Christchurch, New Zealand)
Abstract: Online diagnostics is preferred specifically in critical induction machines for timely analysis of their health and to predict any incipient failures. For early fault detection, the negative sequence current component can offer a fast and reliable monitoring technique. However, the negative sequence component method contains inherent non-idealities (such as inherent machine asymmetries) and is sensitive to external effects (such as load change and supply voltage imbalances). This paper addresses these limitations while considering real system disturbances and non-linearities using a dynamic motor model which is also verified by the experimental studies. The effectiveness of the negative sequence component analysis as well as the behavior of the model under load change and voltage unbalance was discussed. The negative sequence components due to stator faults and the interaction with voltage and load variation were also presented in the paper.
Rights: Copyright status unknown
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Appears in Collections:Aurora harvest 5
Electrical and Electronic Engineering publications
Environment Institute publications

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