Reheat steam turbine STF-D650

for power generationcombined-cycle

GE’s STF-D650 combined-cycle steam turbine delivers the reliability and availability needed in today’s demanding energy environment. • The STF-D650 turbine consists of separate HP, IP, and a two flow LP Section. • Single bearing design reduces construction time, increases power density and enhances reliability by avoiding load shifts. • HP, IP, and valves are shipped fully assembled. • Self-synchronizing clutch reduces startup auxiliary steam demand, enabling the gas turbine to reach 85 percent load in less than 20 minutes under hot start conditions. • Available with side- or down-flow LP exhaust provides plant layout flexibility. • Side LP exhaust enables ground-level condenser connections and reduced plant height reducing overall plant cost. • The STF-D650 HP section uses GE’s proven shrink ring design reducing distortion, allowing critical clearances to be maintained and sustaining performance over the life of the machine. Technical specifications • Main steam : Up to 2,680 psi (185 bar) / Up to 1,112°F (600°C) • Reheat temperature : Up to 1,112°F (600°C) • Frequency : 50 Hz and 60 Hz