Power plants – Motive fluid energized by externally applied heat – Having condition responsive control
Patent
1981-07-15
1983-10-11
Ostrager, Allen M.
Power plants
Motive fluid energized by externally applied heat
Having condition responsive control
60652, F01K 1302
Patent
active
044084587
ABSTRACT:
An electric power generating system capable of absorbing a variable load comprises a boiler, and steam turbines, which are interconnected through a steam conduit including a control valve which adjusts the flow amount of the steam, an electric generator driven by the turbines, and a variable pressure operation control device. The control device maintains a constant degree of opening of the control valve at a time when a steam pressure in the steam conduit lies in a range between predetermined pressure values. The control device comprises an element for comparing an actual steam pressure in the steam conduit and a steam pressure predeterminable in accordance with load variation thereby to generate a signal to determine a variable pressure operation characteristic line. Thus, the degree of opening of the control valve can be changed in response to the compared pressure differences.
REFERENCES:
patent: 4118935 (1978-10-01), Andersson
patent: 4120159 (1978-10-01), Matsumoto
patent: 4357803 (1982-11-01), Dickenson
Ostrager Allen M.
Tokyo Shibaura Denki Kabushiki Kaisha
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