Patent ID: 9140184
Filing Date: 2015-09-22
Classification: F02C,Y02E

Abstract:
1. A combined cycle system, comprising: a gas turbine subsystem having a compressor and an output side that provides an exhaust; an exhaust duct coupled to the gas turbine subsystem; a heat recovery steam generation subsystem coupled to the exhaust duct; a fan that produces an air flow; a prime mover that drives the fan, the prime mover having a drive exhaust; a ducting assembly coupled to the fan that conveys at least a portion of the air flow to the compressor; a main bypass coupled to the fan and the exhaust duct to selectively convey at least a portion of the air flow to an exhaust duct; and a drive bypass coupled to the fan and the prime mover to selectively convey at least a portion of the air flow to the prime mover, wherein the prime mover provides a drive exhaust conduit and further comprising drive ducting assembly that conveys a portion of the drive exhaust to the exhaust duct, the heat recovery steam generation subsystem, and the fan.