Power plants – Motive fluid energized by externally applied heat – Process of power production or system operation
Patent
1992-09-08
1995-05-02
Look, Edward K.
Power plants
Motive fluid energized by externally applied heat
Process of power production or system operation
60667, 60665, 60660, F01K 1300
Patent
active
054108837
ABSTRACT:
In a plant for which process control is made, a margin of an operation allowable limit for a process variable is variably established according to situations for each apparatus constituting the plant. In addition, allowable upper limits of operation considering a life consumption state and an operation schedule of each apparatus are established for respective apparatus on the basis of a life of the whole plant. The life of each apparatus and the life of the whole plant are controlled with a goal to expire all equipment substantially at the same time by reflecting the allowable operating conditions of the apparatus constituting the plant on the plant control. Therefore, it is possible to realize rational and useful plant operation.
REFERENCES:
patent: 4226086 (1980-10-01), Binstock et al.
patent: 4651553 (1987-03-01), Ura et al.
patent: 4792912 (1988-12-01), Kuramoto et al.
patent: 4888953 (1989-12-01), Fukayama et al.
Kohmoto Hiroshi
Namba Shigeaki
Nigawara Seiitsu
Hitachi , Ltd.
Larson James A.
Look Edward K.
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