Automatic control system for thermal power plant

Details Automatic control system for thermal power plant Automatic control system for thermal power plant

1991-12-04

1998-04-28

Husar, Stephen F.

Power plants

Motive fluid energized by externally applied heat

Having condition responsive control

60660, 1224481, 290 40C, F22D 500

Patent

active

RE0357766

ABSTRACT:
An automatic control system for a thermal power plant comprises a master controller controlling a turbine in response to an externally applied load command signal, and producing a boiler input command signal by correcting the load command signal on the basis of the detected pressure of main steam generated from a boiler, and a water/steam process controller, a fuel process controller, a combustion process controller and a draft process controller to all of which the boiler input command signal is applied from the master controller. The process controllers apply control signals to equipments controlling a water/steam process, a fuel process, a combustion process and a draft process respectively among the terminal actuating equipments of the various parts of the boiler.

REFERENCES:
patent: 3894396 (1975-07-01), Durrant
patent: 4319320 (1982-03-01), Sato et al.

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