Data processing: generic control systems or specific application – Specific application – apparatus or process – Electrical power generation or distribution system
Reexamination Certificate
2007-01-12
2009-12-08
DeCady, Albert (Department: 2121)
Data processing: generic control systems or specific application
Specific application, apparatus or process
Electrical power generation or distribution system
C702S060000
Reexamination Certificate
active
07630794
ABSTRACT:
An isolated operation detecting method according to the present invention includes: a first step that injects a power fluctuation into the power system; a second step that measures a system cycle; a third step that adjusts the injection of the power fluctuation so that the system cycle increases when the system cycle is found increased than the previous system cycle as a result of the measuring, and decreases when the system cycle is found decreased than the previous system cycle; a fourth step that produces a change pattern of a latest system cycle on the basis of a deviation of the latest system cycle from a fixed number of cycle-passed previous system cycle; and a fifth step that determines an isolated operation on the basis of the change pattern.
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Hosomi Shinichi
Imamura Kazuyoshi
Kato Masaya
Mabuchi Masao
Oka Seiji
DeCady Albert
Foley & Lardner LLP
Omron Corporation
Sivanesan Sivalingam
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