Patent ID: 6442924
Filing Date: 2002-09-03
Classification: F01K,Y02E

Abstract:
A combined cycle power plant comprising:a gas turbine driving a first generator; a steam turbine driving a second generator, said steam turbine having a low pressure section, an intermediate pressure section and a high pressure section; a heat recovery steam generator arranged to receive exhaust gas from said gas turbine and condensate from said steam turbine, and to utilize the exhaust gas from said gas turbine to convert condensate from said steam turbine back to steam, said heat recovery steam generator having means for supplying steam to the high pressure, intermediate pressure and low pressure sections of the steam turbine; said heat recovery steam generator further comprising a duct burner for providing heat required to generate supplemental steam in said heat recovery steam generator for said steam turbine; and means for supplying said supplemental steam to said steam turbine downstream of a high pressure inlet to said high pressure section.