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:
Jun. 26, 2012
Filed:
Dec. 31, 2008
Anupam Vinodkumar Sawhney, Gujarat, IN;
Sriram Changali, Kerala, IN;
Radoslaw Narel, Kensington, CT (US);
Marcelo Esteban Valdes, Burlington, CT (US);
Anupam Vinodkumar Sawhney, Gujarat, IN;
Sriram Changali, Kerala, IN;
Radoslaw Narel, Kensington, CT (US);
Marcelo Esteban Valdes, Burlington, CT (US);
General Electric Company, Schenectady, NY (US);
Abstract
An improved method to detect and locate electrical faults is provided. A method of operating a circuit breaker in an electrical circuit configured with at least one of a first main circuit breaker at a first layer of circuit protection having a first direction of current flow, and at least one second circuit breaker downstream of said at least one first main circuit breaker having a second direction of current flow, and at least one third circuit breaker downstream of said at least one second circuit breaker having a third direction of current flow, wherein one of said at least one first, second, or third circuit breakers is in short time pick-up, is provided, and comprises steps to determine the location of the fault and adjust the trip time delay of the circuit breakers according to predetermined criteria.