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:
Sep. 23, 2014
Filed:
Jan. 26, 2012
Jason E Hill, Newcastle-upon-Tyne, GB;
Steven D a Fletcher, Glasgow, GB;
Patrick J Norman, East Kilbride, GB;
Stuart J Galloway, Edinburgh, GB;
Jason E Hill, Newcastle-upon-Tyne, GB;
Steven D A Fletcher, Glasgow, GB;
Patrick J Norman, East Kilbride, GB;
Stuart J Galloway, Edinburgh, GB;
Rolls-Royce PLC, London, GB;
Abstract
A protection system is provided for an electrical power network. The system has one or more circuit breaker arrangements which on activation isolate electrical faults within the network, and one or more fault detectors. The or each fault detector measures an inductance of a respective section of the network. The system is configured to activate one or more of the circuit breaker arrangements in response to measured inductances which are indicative of a fault.