System and method for operating a steam turbine and an electric

Details System and method for operating a steam turbine and an electric System and method for operating a steam turbine and an electric

1976-09-07

1981-03-24

Wise, Edward J.

Boots, shoes, and leggings

60660, G06F 1546, F01B 2500

Patent

active

042584248

ABSTRACT:
A programmed digital computer control system determines the turbine steam flow changes required to satisfy the speed and load demand made on the operation of a large electric power stream turbine for which substantially constant throttle pressure steam is generated. Load control is directed to plant electric power generation and it is based on feedforward valve positioning operation with feedback multiplication calibration for plant load and/or turbine speed error. Changes in the turbine operating level are limited by dynamic constraints applied by the computer.

REFERENCES:
patent: 3097488 (1963-07-01), Eggenberger et al.
patent: 3958109 (1976-05-01), Doherty et al.
patent: 4027145 (1977-05-01), McDonald et al.

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