Steam turbine STF-N700
for nuclear applicationssingle-casing double-flowhorizontal shaft

steam turbine
steam turbine
steam turbine
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Characteristics

Type
steam
Applications
for nuclear applications
Other characteristics
horizontal shaft, single-casing double-flow
Rated power kW

Min.: 500,000 kW (679,810.58 hp)

700,000 kW (951,734.81 hp)

Max.: 800,000 kW (1,087,696.92 hp)

Description

GE Steam Power has a long track record of steam turbine performance and reliability for medium-sized nuclear reactors. 770,000 operating hours 500 to 800 MW for medium-sized reactors Powerful, reliable and efficient A compact solution for nuclear steam turbines The STF N700 turbine offers a robust architecture in which the steam first expands in a double-flow HP path. After moisture separation and reheat, it then expands in four or six LP flows. The turbine rotors are rigidly coupled to each other and to the generator rotor, and each rotor is supported by a pair of journal bearings. The HP model is derived from the most powerful 3,000 rpm saturated steam turbines in operation in the UK and China and features impulse-type blading and six stages to increase both global efficiency and final power output. HP steam exhausts are connected to the moisture separator reheater (MSR) by four cross-under pipes. This design allows servicing of the turbine without needing to disassemble the exhaust pipes. STF-N700 features & capabilities A powerful, efficient steam turbine Including cutting-edge blading technology adapted to any backpressure conditions, the STF N700 turbine can feature two or three LP modules for enhanced vacuum fit. Specifications shown are 50 Hz

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