Power plants – Motive fluid energized by externally applied heat – Having condition responsive control
Patent
1986-06-20
1988-06-07
Husar, Stephen F.
Power plants
Motive fluid energized by externally applied heat
Having condition responsive control
60660, 606441, 376216, F01K 1100
Patent
active
047488140
ABSTRACT:
A control apparatus for electric power plant comprises turbine speed control means for detecting the speed of a turbine coupled to an electric generator to control the turbine speed by controlling a steam flow supplied to the turbine on the basis of the detected speed, pressure control means for controlling the pressure in a steam generator on the basis of the pressure of the steam generator, and correcting means for correcting the steam flow supplied to the turbine only when fluctuation in the pressure of the steam generator brought about by rapid change of a set load value is deviated from a predetermined range in which the steam pressure is allowed to vary, the correction of the steam flow being made in correspondence to the deviation.
REFERENCES:
patent: 3630839 (1971-12-01), Podolsky
patent: 4188792 (1980-02-01), Schaible
patent: 4329592 (1982-05-01), Wagner et al.
patent: 4424186 (1984-01-01), Cook
Kinoshita Mitsuo
Tanji Junichi
Hitachi , Ltd.
Husar Stephen F.
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