Method and system for controlling the start of a thermal power p

Power plants – Motive fluid energized by externally applied heat – Process of power production or system operation

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60664, 60667, F01K 1302

Patent

active

044185391

ABSTRACT:
A method of controlling the start of a thermal power plant having a turbine, a boiler for generating superheated steam to drive the turbine, a fuel source for supplying fuel to the boiler, fuel supply controller for controlling the fuel supply from the fuel source to the boiler, and the like. The method includes a step for calculating a desired temperature of combustion gas in the boiler and, in addition, a step of feeding a process factor indicative of the start mode of the turbine. Hence the temperature of combustion gas in the boiler is controlled according not only to the start condition of the boiler but also to the start condition of the turbine, thus reducing the time necessary to start the thermal power plant.

REFERENCES:
patent: 4121424 (1978-10-01), Sato et al.
patent: 4213304 (1980-07-01), Morse

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