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:
Aug. 15, 2023
Filed:
Sep. 20, 2019
Korea Water Resources Corporation, Daejeon, KR;
Other;
Abstract
The present invention performs a reference point detecting step (S) to select a reference point by performing pattern analysis based on a characteristic pattern shown in a total leakage current (I) when an applied voltage is 0V, a resistive leakage current calculating step (S) to calculate a resistive leakage current by Fourier series-expanding the total leakage current (I) starting at the reference point, and reference point verifying/correcting steps (Sand S) to correct the reference point until a characteristic pattern of the resistive leakage current (I) according to non-linear resistance characteristics of the surge arrester () is shown so that the resistive leakage current (I) is recalculated, and the present invention determines that the resistive leakage current (I) calculated based on the completely corrected reference point is the resistive leakage current of the surge arrester ().