G - Physics – 01 – R
Patent
G - Physics
01
R
G01R 15/20 (2006.01) G01R 31/00 (2006.01)
Patent
CA 2567607
A method for measuring electric current in a plurality (n) of conductors. According to the invention, the method comprises the following steps: an electric current transducer is placed substantially opposite to each conductor (i, i=1,..., n); a decorrelation matrix ([G]), which is a function of the position of the transducers in relation to the conductors, is constructed; the current (Imesi)in each conductor (i) is measured with the aid of electric current transducers and real currents (Iréeli) are deduced with the aid of the decorrelation matrix ([G]) and the measured currents (Imesi). Application: reversible electric machines in the car industry.
Procédé de mesure d'un courant électrique dans une pluralité (n) de conducteurs. Selon l'invention, ledit procédé comprend les étapes de - placer un transducteur de courant électrique sensiblement en regard de chaque conducteur (i, i=1,..., n), - construire une matrice de décorrélation ([G]) fonction de la position des transducteurs par rapport auxdits conducteurs, - mesurer les courants (Imesi)dans chaque conducteur (i) au moyen des transducteurs de courant électrique et en déduire les courants réels (Iréeli) au moyen de ladite matrice de décorrélation ([G]) et desdits courants mesurés (Imesi). Application aux machines électriques réversibles dans l'industrie automobile.
Bernard Francois-Xavier
Chemin Michael
Leroux Frederic
Robic
Valeo Equipements Electriques Moteur
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