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The aim of this work is the study of the influence of geometrical parameters associated to a model of current sensor in the cross-talk error when measuring high electrical currents. In a previous paper [1] the existence of a point -stable pointwhere the influence of the current circulating by the external conductor in the measurement of the internal current was null, was analysed. In this point was no influence the sense of the current or his value. This work shown was developed in a model with dimensions of conductors and predetermined geometrical parameters because only the authors wanted to analyse the existence of this point. The core used was a commercial non-linear iron powder toroidal core (yellow-white) ref. T30026D.

Analysis by finite element method of the crosstalk errors associated to the geometrical parameters for current transducers