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Comparison of Two Methods for Full-Load In Situ Induction Motor Efficiency Estimation From Field Testing in the Presence of Over/Undervoltages and Unbalanced Supplies

Title:

Comparison of Two Methods for Full-Load In Situ Induction Motor Efficiency Estimation From Field Testing in the Presence of Over/Undervoltages and Unbalanced Supplies

Gharakhani Siraki, Arbi and Pillay, Pragasen (2012) Comparison of Two Methods for Full-Load In Situ Induction Motor Efficiency Estimation From Field Testing in the Presence of Over/Undervoltages and Unbalanced Supplies. IEEE Transactions on Industry Applications, 48 (6). pp. 1911-1921. ISSN 0093-9994

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Official URL: http://dx.doi.org/10.1109/TIA.2012.2226134

Abstract

Numerous techniques with different levels of intrusion and accuracy have been proposed for in situ efficiency estimation. Among them, optimization-based techniques and the air-gap torque (AGT) method show promise when unbalanced supply conditions exist. In this paper, an optimization-based algorithm is proposed for in situ efficiency estimation of induction machines operating with over-/undervoltage and unbalanced supplies. In addition, a comprehensive study is done on the functionality and accuracy of the nonintrusive AGT method which is claimed to be one of the most promising methods in the literature. It is shown that the efficiency calculated by this method under field conditions cannot be used in the decision making process on replacement of the existing machines as well as the relevant calculations regarding the payback period. The research is supported by experimental results on two different induction machines.

Divisions:Concordia University > Gina Cody School of Engineering and Computer Science > Electrical and Computer Engineering
Item Type:Article
Refereed:Yes
Authors:Gharakhani Siraki, Arbi and Pillay, Pragasen
Journal or Publication:IEEE Transactions on Industry Applications
Date:2012
Digital Object Identifier (DOI):10.1109/TIA.2012.2226134
Keywords:Evolutionary algorithm , in situ efficiency estimation , induction motor , nonintrusive air-gap torque (AGT) (NAGT) method , over/undervoltage condition , unbalanced supply
ID Code:976919
Deposited By: DANIELLE DENNIE
Deposited On:26 Feb 2013 18:33
Last Modified:18 Jan 2018 17:43

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