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Method and system for on-line dynamical screening of electric power system

CA 2483188 A1 · Owner: The Tokyo Electric Power Company, Incorporated · Inventors: Chiang, Hsiao-Dong; Koyanagi, Kaoru; Okamoto, Hiroshi

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Abstract From the Canadian patent

A system for on-line dynamic screening of contingencies comprising postulated disturbances which an electric power system may experience the system , comprising a dynamic contingency screening program for evaluating a plurality of contingencies with a plurality of contingency classifiers based on the method of finding the controlling unstable equilibrium point of the power system known as the boundary of stability region based controlling unstable equilibrium point method by sequentially applying the contingencies to a network islanding problem classifier, SEP (stable equlibrium point) problem classifier, a large stability regions classifier an exist point problem , classifier, a ray …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed April 21, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 21, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 21, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 21, 2003
GrantedNo grant recorded
Term endedApril 21, 2023
Patent numberCA 2483188 A1
Classification (IPC)H02J3/24

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2004200620082010201220142016201820202022Application filedApril 21, 2003Term endedApril 21, 2023

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.