Detection of Broken Bars in Induction Motors Using a Neural Network

M. Moradian; M. Ebrahimi; M. Danesh; M. bayat

Detection of Broken Bars in Induction Motors Using a Neural Network

Vol. 6, No. 3, pp. 245-252, Jul. 2006

10.6113/JPE.2006.6.3.245

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Abstract

This paper presents a method based on neural networks to detect the broken rotor bars and end rings of squirrel cage induction motors. At first, detection methods are studied, and then traditional methods of fault detection and dynamic models of induction motors by using winding function model are introduced. In this method, all of the stator slots and rotor bars are considered, thus the performance of the motor in healthy situations or breakage in each part can be checked. The frequency spectrum of current signals is derived by using Fourier transformation and is analyzed in different conditions. In continuation, an analytical discussion and a simple algorithm are presented to detect the fault. This algorithm is based on neural networks. The neural network has been trained by using information of a 1.1 KW induction motor. This system has been tested with a different amount of load torque, and it is capable of working on-line and of recognizing all normal and ill conditions.

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Cite this article

[IEEE Style]

M. Moradian, M. Ebrahimi, M. Danesh, M. bayat, "Detection of Broken Bars in Induction Motors Using a Neural Network," Journal of Power Electronics, vol. 6, no. 3, pp. 245-252, 2006. DOI: 10.6113/JPE.2006.6.3.245.

[ACM Style]

M. Moradian, M. Ebrahimi, M. Danesh, and M. bayat. 2006. Detection of Broken Bars in Induction Motors Using a Neural Network. Journal of Power Electronics, 6, 3, (2006), 245-252. DOI: 10.6113/JPE.2006.6.3.245.