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Siemens SGT-400 User Manual

Siemens SGT-400
38 pages
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Turbine Package Operators Manual
s
1-1
Chapter 1
Turbine Package System Overview
Engine Core Assembly...................................................................................................................5
General Description...................................................................................................................................5
Air Inlet Casing...........................................................................................................................................5
Compressor Inlet Bearing Housing Assembly........................................................................................5
Compressor Stator Casings......................................................................................................................5
Center Casing and Bearing Housing Assembly......................................................................................6
Combustion System..................................................................................................................................6
Compressor Turbine Outer Casing..........................................................................................................6
Compressor Turbine Nozzle Assembly Stage 1 and Duct .....................................................................6
Turbine Rotor Assemblies ........................................................................................................................6
Power Turbine Outer Casing and Interduct Assembly...........................................................................7
Power Turbine Bearing Housing ..............................................................................................................7
Exhaust Diffuser ........................................................................................................................................7
Auxiliary Gearbox......................................................................................................................................7
Cooling and Sealing Air System...............................................................................................................7
Turbine Instrumentation............................................................................................................................8
Temperature Monitoring........................................................................................................................................... 8
Speed monitoring..................................................................................................................................................... 8
Vibration Monitoring ................................................................................................................................................. 8
Pressure Monitoring................................................................................................................................................. 8
Turbine Core Auxiliary Equipment...........................................................................................................9
Variable Guide Vane (VGV) Actuator....................................................................................................................... 9
Interstage Bleed Valve............................................................................................................................................. 9
P2 Blow-off Valves................................................................................................................................................... 9
Waterwash Nozzles.................................................................................................................................................. 9
Auxiliary Gearbox....................................................................................................................................10
Lubricating Oil System.................................................................................................................11
General Description.................................................................................................................................11
Lubricating Oil Tank ............................................................................................................................................... 11
Lubricating Oil Pumps............................................................................................................................................ 11
Temperature Control Valve.................................................................................................................................... 12
Pressure Control Valve ..........................................................................................................................................12
Lubricating Oil Filters.............................................................................................................................................. 12
Oil Cooler Circuit.................................................................................................................................................... 12

Table of Contents

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Siemens SGT-400 Specifications

General IconGeneral
TypeGas Turbine
Frequency50/60 Hz
Thermal EfficiencyUp to 38%
ApplicationsPower generation, mechanical drive, CHP
Fuel TypeNatural gas, Diesel
NOx Emissions<25 ppm

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