Device for controlling speed of turbine

Details Device for controlling speed of turbine Device for controlling speed of turbine

1975-01-21

1976-06-29

Ostrager, Allen M.

Power plants

Motive fluid energized by externally applied heat

Having condition responsive control

F01K 1302

Patent

active

039656845

ABSTRACT:
A speed control device is constituted of an acceleration control device used for starting a turbine, a constant speed control device used for the constant speed operation of the turbine and a selection circuit for selecting that one of the outputs of the control devices which makes smaller the opening of an adjustable valve provided at the entrance of the turbine. The output of the selection circuit determines the opening of the valve. The speed control device is so designed that the speed regulation may affect only the loop gain of the constant speed control system. For this purpose, the speed regulation circuit is provided, for example, between the subtractor of the constant speed control device and the selection circuit.

REFERENCES:
patent: 3340883 (1967-09-01), Paternal

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