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Apparatus and method for power disturbance analysis and storage of unique impulses

  • US 5,801,952 A
  • Filed: 08/21/1996
  • Issued: 09/01/1998
  • Est. Priority Date: 05/19/1994
  • Status: Expired due to Term
First Claim
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1. A method for recording impulses superimposed on an alternating current electrical signal, said method comprising steps of:

  • identifying a plurality of impulses superimposed on the alternating-current electrical signal;

    evaluating for each one of said plurality of impulses, an amplitude, a duration, and a phase position, the phase position being relative to the alternating-current electrical signal; and

    recording, on a storage device, impulses selected from said plurality of impulses for which the amplitude, duration, and phase position are not substantially similar to the amplitude, duration, and phase position of an impulse on an immediately preceding cycle of the alternating-current electrical signal.

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