GAS POWER SYSTEMS CATALOG I Bottoming Cycle Of ferings REHEAT THREE CASING, DOUBLE-FLOW LP SECTION, COMBINED CYCLE STEAM TURBINE D650 STEAM TURBINE


The D650 is GE’s highest-performing combined cycle steam turbine and delivers the reliability and availability needed in today’s demanding energy environment. It is ideally suited for 50 Hz and 60 Hz H-class and F-class gas turbine power plants that have high fuel costs and high annual hours of operation. The D650 turbine is available in both single-shaft and multi-shaft configurations, with the single-shaft configuration incorporating a clutch for enhanced operational flexibility. The D650 turbine consists of separate HP, IP, and either one or two double-flow LP sections.


150-700 MW OUTPUT


Up to 43.6% EFFICIENCY


For more than a century, GE has been the pioneering force behind the steady advance of steam turbine technology. GE’s highest performing steam turbine, the D650, supports F-class and H-class gas turbine power plants, delivering top performance, reliability and availability in today’s demanding energy environment.


Watch now to learn more Technical Data D650 Main Steam


Reheat Temperature Frequency Output


Steam Turbine Efficiency


Up to 2,680 psi (185 bar) Up to 1,112°F (600°C)


Up to 1,112°F (600°C) 50 Hz and 60 Hz 150 MW – 700 MW Up to 43.6%


Built for Efficiency and Reliability


• Main steam inlet pressures up to 2,680 psi (185 bar) with main steam inlet and reheat temperatures up to 1,112°F (600°C).


• Single bearing design reduces construction time, increases power density and enhances reliability by avoiding load shifts.


• Side LP exhaust enables ground-level condenser connections, and reduced plant height allows BOP equipment to be positioned on one side.


• 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.


• HP, IP and valve units are shipped fully assembled.


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