Gas turbine starting control system

Details Gas turbine starting control system Gas turbine starting control system

F - Mech Eng,Light,Heat,Weapons

02

C

F02C 7/26 (2006.01) F02C 7/268 (2006.01)

Patent

CA 2262233

A gas turbine starting control system is provided, wherein starting power is increased while an inlet gas temperature of the turbine is prevented from rising during starting of the gas turbine, so that a starting motor can be reduced in size and the system cost can also be reduced. Accordingly, a gas turbine starting control system for a gas turbine in which starting power is supplied to a rotational shaft of a compressor and a turbine by using a starting motor in order to start the compressor and the turbine, comprises: a steam pipe for supplying steam to a combustor in the gas turbine; a temperature detector for detecting an inlet gas temperature of the turbine; a steam control valve provided at the steam pipe for opening and closing the steam pipe; and a valve controlling unit for controlling the opening degree of the steam control valve in response to detection signals of the inlet gas temperature from the temperature detector.

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