Method of establishing part-load operation in a gas turbine grou

Details Method of establishing part-load operation in a gas turbine grou Method of establishing part-load operation in a gas turbine grou

1994-08-15

1995-11-14

Bertsch, Richard A.

Power plants

Combustion products used as motive fluid

60 39161, 60 39281, F02C 900, F02G 300

Patent

active

054655692

ABSTRACT:
A method of establishing part-load operation is proposed for a turbine group. This gas turbine group consists essentially of a compressor unit (1), of an HP combustion chamber (4) downstream of the compressor unit (1), of an HP turbine (5) downstream of this HP combustion chamber (4), of an LP combustion chamber (8) operating by self-ignition and arranged downstream of the HP turbine (5), the hot gases (10) of which LP combustion chamber (8) being admitted to an LP turbine (11). The temperature at outlet from the HP turbine (5) remains essentially the same due to the reduction of the fuel quantity in the LP combustion chamber (8) to zero. Furthermore, the fuel quantity of the HP combustion chamber (4) remains approximately constant during the reduction of the fuel quantity in the LP combustion chamber (8) so that the temperature at inlet to the HP turbine (5) likewise remains constant.

REFERENCES:
patent: 3054257 (1962-09-01), Schelp
patent: 3777479 (1973-12-01), Hagen
patent: 3919838 (1975-11-01), Armstrong et al.
patent: 3921390 (1975-11-01), Stoltman
patent: 3938321 (1976-02-01), Davis et al.
patent: 4896499 (1990-01-01), Rice
patent: 5103630 (1992-04-01), Correa

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