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:
Nov. 04, 2025
Filed:
Sep. 24, 2021
Abb Schweiz Ag, Baden, CH;
Jani Valtari, Vaasa, FI;
ABB Schweiz AG, Baden, CH;
Abstract
A method for detecting a phenomenon in an electrical power network including at least one protection zone with at least two subzones. The method including measuring in the subzones of the protection zone at least one current signal actual in the respective subzone, determining linear dependency between the at least one measured current signal actual in at least one subzone of the protection zone and the corresponding at least one measured current signal actual in at least one another subzone of the protection zone, and detecting the phenomenon in the protection zone of the electrical power network based on the at least one determined linear dependency. Furthermore, a system for detecting a phenomenon in an electrical power network.