A power augmentation system for a gas turbine that is electrically coupled to a power grid incudes, in serial flow order, a compressed air supply, a compressed air storage tank and an expansion turbine that is disposed downstream from the compressed air storage tank. An exhaust outlet of the expansi
A power augmentation system for a gas turbine that is electrically coupled to a power grid incudes, in serial flow order, a compressed air supply, a compressed air storage tank and an expansion turbine that is disposed downstream from the compressed air storage tank. An exhaust outlet of the expansion turbine is in fluid communication with at least one of an inlet section or a compressor of the gas turbine.
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1. A power augmentation system for a gas turbine electrically coupled to a power grid, comprising: a compressed air supply including a compressor of the gas turbine;a compressed air storage tank in fluid communication with the compressed air supply, the compressed air storage tank being configured t
1. A power augmentation system for a gas turbine electrically coupled to a power grid, comprising: a compressed air supply including a compressor of the gas turbine;a compressed air storage tank in fluid communication with the compressed air supply, the compressed air storage tank being configured to receive compressed air from the compressor of the gas turbine; andan expansion turbine disposed downstream from the compressed air storage tank, wherein an exhaust outlet of the expansion turbine is in fluid communication with the compressor of the gas turbine, the compressed air storage tank being configured to provide the compressed air to the compressor of the gas turbine via the expansion turbine. 2. The power augmentation system as in claim 1, wherein the compressed air supply comprises an auxiliary compressor. 3. The power augmentation system as in claim 1, wherein a shaft of the expansion turbine is coupled to a rotor shaft of the gas turbine. 4. The power augmentation system as in claim 1, wherein the compressed air supply comprises an auxiliary compressor, wherein the auxiliary compressor is an axial compressor. 5. The power augmentation system as in claim 1, wherein the compressed air supply comprises an auxiliary compressor, the system further comprising an electric motor coupled to the compressed air supply. 6. The power augmentation system as in claim 1, further comprising a generator coupled to the expansion turbine via a shaft. 7. The power augmentation system as in claim 6, wherein the generator is electrically coupled to a power grid. 8. The power augmentation system as in claim 6, wherein the compressed air supply comprises an auxiliary compressor, the system further comprising an electric motor coupled to the compressed air supply, wherein the generator is electrically coupled to the motor. 9. The power augmentation system as in claim 1, wherein the compressed air supply comprises an auxiliary compressor, wherein the exhaust outlet of the expansion turbine is fluidly coupled to the auxiliary compressor. 10. The power augmentation system as in claim 1, wherein the compressed air supply comprises an auxiliary compressor, the system further comprising a shaft that mechanically couples the auxiliary compressor to the expansion turbine. 11. The power augmentation system as in claim 1, further comprising a heat exchanger in thermal communication with the compressed air storage tank. 12. A power plant, comprising: a gas turbine having an inlet section, a compressor downstream from the inlet section, a combustion section downstream from the compressor, a turbine downstream from the combustion section and a generator for supplying power to a power grid; anda power augmentation system, the power augmentation system comprising:a compressed air supply including the compressor of the gas turbine;a compressed air storage tank in fluid communication with the compressed air supply, the compressed air storage tank being configured to receive compressed air from the compressor of the gas turbine; andan expansion turbine disposed downstream from the compressed air storage tank, wherein an exhaust outlet of the expansion turbine is in fluid communication with the compressor of the gas turbine, the compressed air storage tank being configured to provide the compressed air to the compressor of the gas turbine via the expansion turbine. 13. The power plant as in claim 12, wherein the compressed air supply comprises an auxiliary compressor. 14. The power plant as in claim 12, wherein a shaft of the expansion turbine is coupled to a rotor shaft of the gas turbine. 15. The power plant as in claim 12, wherein the compressed air supply comprises an auxiliary compressor, wherein the auxiliary compressor is an axial compressor. 16. The power plant as in claim 12, wherein the compressed air supply comprises an auxiliary compressor, the system further comprising an electric motor coupled to the compressed air supply. 17. The power plant as in claim 12, further comprising a generator coupled to the expansion turbine via a shaft, wherein the generator is electrically coupled to the power grid. 18. The power plant as in claim 12, wherein the compressed air supply comprises an auxiliary compressor, the system further comprising an electric motor coupled to the compressed air supply, wherein the generator is electrically coupled to the motor. 19. The power plant as in claim 12, wherein the compressed air supply comprises an auxiliary compressor, wherein the exhaust outlet of the expansion turbine is fluidly coupled to the auxiliary compressor. 20. The power plant as in claim 12, further comprising a heat exchanger in thermal communication with the compressed air storage tank.
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이 특허에 인용된 특허 (14)
Nakhamkin Michael ; Potashnik Boris, Combustion turbine power plant operable at full power using supplemental compressed air.
Nakhamkin Michael ; Potashnik Boris, Method of operating a combustion turbine power plant at full power at high ambient temperature or at low air density using supplemental compressed air.
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