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Eddy currents and hysteresis losses evaluation using dynamic Preisach model

S. HASSANI OULD OUALI1,* , HASSANE MOHELLEBI1, FARID HOCINI1, RACHID CHAIBI1, MOULOUD FÉLIACHI1

Affiliation

  1. Laboratoire de Génie Electrique (LGE), Université de Tizi-Ouzou, BP 17 RP, Tizi-Ouzou, 15000 Algéria

Abstract

The present work concerns the evaluation of the eddy currents and hysteresis losses. This is performed using dynamic Preisach hysteresis model coupled with the 2D finite elements calculation. Hysteresis parameters as a, b and Hc are obtained according to the hysteresis loop for two temperatures, one of which can be the ambient temperature, and hysteresis loops for two frequencies are computed and then the proposed model for frequency variations permits the identification of ”b” parameter. The first hysteresis loop can be very small as the quasi static case. Eddy currents and hysteresis losses are then computed for various excitation fieldwhich allow to a description of total hysteresis loop..

Keywords

Eddy current, Hysteresis losses, Preisach model.

Submitted at: March 13, 2008
Accepted at: May 14, 2008

Citation

S. HASSANI OULD OUALI, HASSANE MOHELLEBI, FARID HOCINI, RACHID CHAIBI, MOULOUD FÉLIACHI, Eddy currents and hysteresis losses evaluation using dynamic Preisach model, Journal of Optoelectronics and Advanced Materials Vol. 10, Iss. 5, pp. 1093-1097 (2008)