Stator inter-turn fault diagnostics relevant modeling of squirrel-cage induction motor

Duvvuri, S S S R S and Detroja, Ketan P (2016) Stator inter-turn fault diagnostics relevant modeling of squirrel-cage induction motor. In: IEEE 55th Conference on Decision and Control (CDC), 12-14 Dec. 2016.

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Abstract

Many induction motor models are available in the literature for modeling, simulation, control as well as fault diagnosis. In this paper, novel induction motor models are formulated based on stationary, rotor and synchronously rotating reference frames. All these proposed models are compared and analyzed in terms of their diagnostic relevance to stator inter-turn faults. Ability to generate distinct residual signatures is a key for model-based diagnostics. Performance of these models in term of their ability to diagnose a fault is compared and best suited models are suggested based on a discriminatory ability index proposed in this paper. As continuous-time extended Kalman filter (CTEKF) is the most commonly used estimator for state estimation, the same has been considered. Computer simulations are carried out for a 4-hp squirrel-cage induction motor using MATLAB. The results prove that all induction motor models do not perform equally well when it comes to fault diagnosis.

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IITH Creators:
IITH CreatorsORCiD
Detroja, Ketan PUNSPECIFIED
Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Rotors, Stators, Biological system modeling, Computational modeling, Induction motors, Fault diagnosis, Mathematical model
Subjects: Others > Electricity
Divisions: Department of Electrical Engineering
Depositing User: Team Library
Date Deposited: 13 Jan 2017 04:32
Last Modified: 05 Sep 2017 06:47
URI: http://raiith.iith.ac.in/id/eprint/2983
Publisher URL: https://doi.org/10.1109/CDC.2016.7798442
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