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A new method to simulate induction machines with rotor asymmetries

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4 Author(s)
Martins Cunha, C.C. ; Departamento de Engenharia Eletrica, Univ. Fed. do Espirito Santo, Vitoria, Brazil ; Soares, F.B.R. ; Oliveira, P.S. ; Filho, B.J.C.

The need for detection of rotor faults at an earlier stage, so that maintenance can be planned ahead, has pushed the development of monitoring methods with increasing sensitivity and noise immunity. An important issue in such effort is the modelling of the induction machine including rotor bar and end-ring faults, with a minimum of computational complexity. This paper introduces a new and simpler approach for the modelling and computer simulation of induction machines with rotor asymmetries. This approach is based on the well known dq transient model of the symmetrical machine, with rotor asymmetries introduced through a linear transformation of the extended rotor current vector. Simulation and practical results previously presented in the literature are reproduced to support the proposed approach.

Published in:

IECON 02 [Industrial Electronics Society, IEEE 2002 28th Annual Conference of the]  (Volume:1 )

Date of Conference:

5-8 Nov. 2002