Triple Cycle Power Plant
First Claim
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1. A triple cycle power plant comprising:
- a refrigeration unit configured to cool an inlet air for a gas turbine generator in an amount effective to increase mass flow of the inlet air and to produce a heated refrigerant;
a heat recovery steam generator that receives heat from exhaust of the gas turbine generator, heat from a duct firing system, and optionally heat from the heated refrigerant, wherein the heat recovery steam generator produces steam for a steam turbine generator; and
a control circuit that is configured such that duct firing is a function of the increased mass flow of the inlet air.
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Abstract
Abstract: A refrigeration cycle is integrated into a combined cycle power plant to form a triple cycle power plant in which gas turbine generator inlet air is chilled and dehydrated to increase the mass flow of the inlet air, and in which duct firing in HRSG is increased in dependence of the increased mass flow. In further preferred integration aspects, the heat from the inlet chiller refrigerant is provided to the HRSG.
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Citations
20 Claims
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1. A triple cycle power plant comprising:
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a refrigeration unit configured to cool an inlet air for a gas turbine generator in an amount effective to increase mass flow of the inlet air and to produce a heated refrigerant;
a heat recovery steam generator that receives heat from exhaust of the gas turbine generator, heat from a duct firing system, and optionally heat from the heated refrigerant, wherein the heat recovery steam generator produces steam for a steam turbine generator; and
a control circuit that is configured such that duct firing is a function of the increased mass flow of the inlet air. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of operating a plant comprising the steps of:
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cooling inlet air for a gas turbine generator to increase mass flow of the inlet air;
increasing duct firing in a heat recovery steam generator, wherein the increase in duct firing is a function of the increased mass flow of the inlet air; and
producing steam in a heat recovery steam generator that receives heat from an exhaust of the gas turbine generator. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification