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CURRENT SENSOR AND DEVICE FOR MEASURING AN ELECTRICAL CURRENT

  • US 20170146572A1
  • Filed: 11/02/2016
  • Published: 05/25/2017
  • Est. Priority Date: 11/23/2015
  • Status: Active Grant
First Claim
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1. A Rogowski current sensor comprising a first layer of coils and a second layer of coils able to surround a current conductor so as to perform a measurement of a current flowing in said conductor,the first layer of coils comprising a plurality of windings linked together, each winding having a longitudinal axis arranged in a first plane P1 and turns that are substantially perpendicular to said axis, the crossover of the axes forming corner zones corresponding to the vertices of a first polygon in said first plane,the second layer of coils comprising a plurality of windings linked together, each winding having a longitudinal axis arranged in a second plane P2, parallel to the first plane P1, and turns that are substantially perpendicular to said axis, the crossover of the axes forming corner zones corresponding to the vertices of a second polygon in said second plane,the first and second polygons being placed facing one another such that each corner zone of the first polygon is respectively situated facing each corresponding corner zone of the second polygon,whereinin each corner zone, the orientation of the turns of the winding of the first layer of coils is different from the orientation of the turns of the winding of the second layer of coils in the facing corner zone.

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