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Time-domain simulation of nonlinear transformers displaying hysteresis

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4 Author(s)
Thomas, D.W.P. ; George Green Inst. of Electromagn. Res., Nottingham Univ., UK ; Paul, J. ; Ozgonenel, O. ; Christopoulos, C.

This paper introduces a novel technique for modeling, in the time domain, a power transformer with nonlinear and hysteretic behavior. The model is particularly suitable for harmonic or protection studies where the transformer is driven into the nonlinear regime. The technique uses a single-phase two-winding transformer model based on the Jiles-Atherton model of ferromagnetic hysteresis. It includes eddy-current loss by adding an extra single-turn winding so that the transients are modeled as fully as possible.

Published in:

Magnetics, IEEE Transactions on  (Volume:42 ,  Issue: 7 )