Method of operating a sequentially fired gas-turbine group

Details Method of operating a sequentially fired gas-turbine group Method of operating a sequentially fired gas-turbine group

1996-03-01

1997-09-02

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

60 39141, 60 3929, F02C 726

Patent

active

056619677

ABSTRACT:
In a method for operating a sequentially fired gas-turbine group, during starting the inlet guide row in the compressor (12) is opened up to a maximum up to the pumping limit of the same. The ignition (2) of the first combustion chamber (13) takes place below the rated speed during idling of this gas-turbine group with the opening of the inlet guide row remaining constant, then the inlet guide row is opened further until the rated speed is reached during idling. The ignition of the second combustion chamber (15) takes place during operation at this rated speed and with the opening of the inlet guide row remaining constant. The inlet guide row is then accordingly opened further at constant rated speed until full load (6) is reached.

REFERENCES:
patent: 3470691 (1969-10-01), Smith
patent: 3974645 (1976-08-01), Smith
patent: 4270344 (1981-06-01), Yu
patent: 5224337 (1993-07-01), Morishita et al.

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