Turbomachine and method of use

Details Turbomachine and method of use Turbomachine and method of use

1999-10-19

2000-12-19

Nguyen, Hoang

Power plants

Motive fluid energized by externally applied heat

Process of power production or system operation

60650, 60657, F01K 1302

Patent

active

061613851

ABSTRACT:
A turbomachine, in particular a gas turbine, is in the traditional manner provided with air cooling of the components that are subject to a high thermal stress. The cooling system (21, 31, 41) is provided with elements through which another medium (25, 35, 45), for example water or steam, can be added to the cooling system during peak demand. This medium displaces cooling air (26, 36, 46) from the cooling system, the air being then available additionally in a heat generator (2, 4). This means that more fuel (12, 13) can be added without increasing the hot gas temperature (T.sub.1, T.sub.3) at the turbine inlet (301, 501), and the power is increased. The quantity of the medium added to the cooling system is controlled by control elements (24, 34, 44) as a function of a control deviation (P.sub.set -P.sub.act) of the power.

REFERENCES:
patent: 4357801 (1982-11-01), Wahl, III
patent: 5533337 (1996-07-01), Kusayama
patent: 5743094 (1998-04-01), Zimron et al.

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