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Electrical network protection system

  • US 20040008461A1
  • Filed: 03/24/2003
  • Published: 01/15/2004
  • Est. Priority Date: 07/12/2002
  • Status: Active Grant
First Claim
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1. An electrical protection system comprising:

  • a first Rogowski coil positioned to detect a first current and generate a first current measurement;

    a second Rogowski coil positioned to detect a second current and generate a second current measurement, wherein a first protection zone is defined based on a positioning of the first Rogowski coil and the second Rogowski coil; and

    a first protection device operable to determine from the first current measurement and the second current measurement, the existence of a first fault that is associated with a first circuit element within the first protection zone.

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