F - Mech Eng,Light,Heat,Weapons – 01 – K
Patent
F - Mech Eng,Light,Heat,Weapons
01
K
341/38.1, 322/6.
F01K 7/38 (2006.01) F01D 15/00 (2006.01) F01D 17/00 (2006.01) F01D 17/02 (2006.01) F01D 17/24 (2006.01) F01D 21/00 (2006.01) F01D 25/26 (2006.01) F01K 13/00 (2006.01) F01K 13/02 (2006.01) G05B 13/00 (2006.01) G05B 13/02 (2006.01) G05B 15/00 (2006.01) G05B 19/00 (2006.01) H02P 9/04 (2006.01)
Patent
CA 1164073
17TU-2769 DEDICATED MICROCOMPUTER-BASED CONTROL SYSTEM FOR STEAM TURBINE-GENERATORS Abstract of the Disclosure A dedicated supervisory control system for a steam turbine-generator comprising a hierarchy of microcomputer subsystems interactive with a conventional analog electrohydraulic control system to provide control and monitoring capabilities during all operating phases of the turbine-generator. The separate microcomputer subsystems are programmed for coordinated interaction and communication through shared, dual-port read/write memory units and each microcomputer subsystem is programmed and configured to handle a separate group of control responsibilities in a distributed control system. The microcomputer hierarchy includes an input and calculations computer having means for interfacing with analog input data sources and sensors which report on various operating parameters of the turbine-generator and from which thermal and mechanical stress and other derived quantities are calculated; a display and communications computer adapted to interface with a plant computer and with an operator control panel and other display and readout devices whereby operating personnel may interact with the control system: and a control computer, standing at the top of the hierarchy, for receiving information from the other computers, for making decisions based on that information and, through input/output ports, 17TU-2769 for providing the electrohydraulic control system with directions for optimal control of the turbine- generator within its thermal and mechanical limitations. The dedicated supervisory controller provides a plurality of operating modes.
378157
Delvin Charles L.
Gordon Richard S.
Krings Frederick C.
Kure-Jensen Jens
Company General Electric
Eckersley Raymond A.
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