In this paper, a novel technique for inferring the state of wire-wound motor supplied through PWM inverters is presented. An analysis of the correlation between partial discharge events and line-to-ground voltages at motor terminals is carried out exploiting the dq (or Park) transform. Preliminary results indicate that useful information concerning partial discharge activity and its severity can be achieved by this approach. Moreover, this technique can be used also to filter out measurement noise.

A novel technique to infer PWM inverter-fed induction motor insulation state

CAVALLINI, ANDREA;MONTANARI, GIAN CARLO;FABIANI, DAVIDE;
2007

Abstract

In this paper, a novel technique for inferring the state of wire-wound motor supplied through PWM inverters is presented. An analysis of the correlation between partial discharge events and line-to-ground voltages at motor terminals is carried out exploiting the dq (or Park) transform. Preliminary results indicate that useful information concerning partial discharge activity and its severity can be achieved by this approach. Moreover, this technique can be used also to filter out measurement noise.
NORD-IS 07
7
10
A. Cavallini; G. C. Montanari; D. Fabiani; S. Chandrasekar
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11585/47286
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