Data processing: generic control systems or specific application – Specific application – apparatus or process – Electrical power generation or distribution system
Patent
1997-11-13
2000-03-07
Grant, William
Data processing: generic control systems or specific application
Specific application, apparatus or process
Electrical power generation or distribution system
700 2, G05B 1500
Patent
active
060352477
ABSTRACT:
A communication module of a controller for outputting a command relating to an operation and a monitor for auxiliaries to be operated and a communication module of a switch gear for generating information relating to a protection and an interlock for the auxiliaries to be operated are connected through a serial transmission cable wires. Each of the switch gears is connected each other through a serial transmission cable wires. By controlling a CPU in the switch gear, an activation of the auxiliaries to be protected which are connected to a power circuit is commanded and then the protection operation and the interlock operation for the auxiliaries to be operated are carried out. A small scale of the apparatus can be attained and the wiring cables can be lessened.
REFERENCES:
patent: 4787041 (1988-11-01), Yount
patent: 5270917 (1993-12-01), Kimura
Thermal and Atomic Power Generation 1993, Jul., "An Instrument Control and an Automation IV; a Control and an Automation of a Stream Power Plant", pp. 829-854.
Fukai Masayuki
Ito Akio
Shimizu Katsuhito
Sugihara Masashi
Grant William
Hitachi , Ltd.
Jennings, III Bethew B.
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