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Multiple sensor based Rogowski coil

  • US 10,274,521 B2
  • Filed: 06/10/2016
  • Issued: 04/30/2019
  • Est. Priority Date: 09/02/2015
  • Status: Active Grant
First Claim
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1. A coil for sensing a changing current comprising:

  • (a) an elongate substantially flexible core material, said elongate substantially flexible core material having a first end portion and a second end portion, said elongate substantially flexible core material having a middle portion between said first end portion and said second end portion, said second end portion at an opposite end of said elongate substantially flexible core material than said first end portion;

    (b) a plurality of sensors positioned at a spaced apart location from one another and supported by said middle portion of said substantially flexible core material;

    (c) said first end portion and said second end portion maintained in a position proximate one another;

    (d) a sensing module that receives an input signal from each of said plurality of sensors, where each of said input signals are electrically isolated from one another, and estimates a load signal within a conductor associated within said elongate substantially flexible core material based upon said input signal from each of said plurality of sensors.

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