The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 22, 2003
Filed:
Sep. 20, 2001
Ronald J. Bilas, Murfreesboro, TN (US);
Square D Company, Palatine, IL (US);
Abstract
A method for detecting, in real time, high energy transients in an electrical power system, the method including obtaining real time data defining a power waveform, converting the data to digital data, calculating from the digital data a plurality of test point values, calculating incremental area values corresponding to differences between each adjacent pair of the plurality of test point values, an incremental time interval between adjacent the test point values being defined as a unit width of the area, such that the cumulative area under the waveform at a given testpoint is equal to the sum of the area calculated at that test point and the area, calculated at the previous test point, calculating the area of the waveform between adjacent pairs of test points by substracting the cumulative area at the later in time of the test points from the cumulative area at the earlier in time of the test points, and comparing each the area calculated under the waveform with an area at corresponding points in time on an ITI curve.