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. 09, 2011
Filed:
Dec. 28, 2007
Applicants:
Andrzej Wiszniewski, Wroclaw, PL;
Waldemar Rebizant, Wroclaw, PL;
Andrzej Klimek, Surrey, CA;
Inventors:
Assignee:
Areva T & D UK Limited, Stafford, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D 3/12 (2006.01); G05D 5/00 (2006.01); G05D 9/00 (2006.01); G05D 11/00 (2006.01); G05D 17/00 (2006.01); H02J 3/14 (2006.01); G01R 31/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of monitoring voltage stability within an electrical power system comprises the steps of establishing a dynamic power system stability margin based on an operating characteristic of the power system; indicating that the power system has become unstable when the dynamic power system stability margin falls below a predetermined value; and initiating dynamic load shedding and/or restoration depending on stability margin.