초록 ▼

A method and apparatus for power augmentation in gas turbine cycles is provided that efficiently provides at least air and preferably both steam and air injection. In an embodiment of the invention, an air injection compressor is driven with steam used for gas turbine injection prior to its injectio

A method and apparatus for power augmentation in gas turbine cycles is provided that efficiently provides at least air and preferably both steam and air injection. In an embodiment of the invention, an air injection compressor is driven with steam used for gas turbine injection prior to its injection into the gas turbine. In addition to power output, the thermodynamic efficiency is improved in simple cycle turbine power plants with the disclosed method and apparatus.

대표청구항 ▼

1. A gas turbine cycle comprising:a gas turbine system including a compressor for compressing air, a combustion system for receiving compressed air from the compressor and a gas turbine for converting the energy of the combustion mixture that leaves the combustion system into work; a heat recovery s

1. A gas turbine cycle comprising:a gas turbine system including a compressor for compressing air, a combustion system for receiving compressed air from the compressor and a gas turbine for converting the energy of the combustion mixture that leaves the combustion system into work; a heat recovery system for receiving exhaust gas from the gas turbine; a steam turbine; a first flow path for at least one of water and steam at elevated pressure including a first heat exchange flow path disposed in heat exchange relation to said exhaust gas flowing through said heat recovery system, thereby to produce superheated steam therein, and a superheated steam flow path for flowing said superheated steam to said steam turbine, said steam turbine converting the energy of the superheated steam into work; an auxiliary compressor operatively coupled to said steam turbine for being driven thereby to compress air to generate injection air at elevated pressure; a flow path for said injection air, said injection air flow path being operatively coupled to at least one of the gas turbine compressor discharge and the combustion system of the gas turbine for adding said injection air to said compressed air for increasing the mass flow of fluid into the gas turbine; and a flow path for steam exhausted from said steam turbine, said exhaust steam flow path being operatively coupled to at least one of the gas turbine compressor discharge and the combustion system of the gas turbine for increasing the mass flow of fluid into the gas turbine.