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Title: Effect of unbalance in voltage supply on the detection of mixed air gap eccentricity in an induction motor by Motor Current Signature Analysis
Authors: Samaga, R.L.
Vittal, K.P.
Vikas, J
Issue Date: 2011
Citation: 2011 IEEE PES International Conference on Innovative Smart Grid Technologies-India, ISGT India 2011, 2011, Vol., , pp.108-113
Abstract: Condition monitoring units are employed in industries to monitor the health of the machines continuously. Air gap eccentricity fault is one of the asymmetrical faults which can result in the machine failure. Motor Current Signature Analysis and Vibration Analysis are the two most popular methods used for eccentricity fault detection in the induction motor. In this paper, a study conducted on an induction motor to analyse the effect of supply voltage unbalance on the method of eccentricity fault detection by Motor Current Signature Analysis is presented. A dynamic model of the induction motor suffering from air gap eccentricity and has the capability to take unbalance supply voltage is developed and the results obtained by simulating this model are validated by the experiments conducted on an induction motor suffering from inclined mixed eccentricity and fed with unbalance voltage supply. � 2011 IEEE.
Appears in Collections:2. Conference Papers

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