Gas turbine control Torsten Strand

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Mech drive start Turbine exhaust temp GG speed ©Siemens Power Generation 2003. All Rights Reserved Prim fuel flow PT speed Compressor exhaust pressure IGV 25/04/2006 Power Generation 48
Transients ©Siemens Power Generation 2003. All Rights Reserved • Fuel change over • automatic fuel change over is possible on dual fuel units • the change over from gas to oil if gas pressure gets too low is done in 10 to 30 seconds, depending on requirement • the transient operation requires a speed up of the <strong>control</strong> amplification and quite a lot of fine tuning • the fuel change over from oil to gas is usually initiated manually when the gas system is back in operation • Surge protection • if for some reason the compressor runs into the surge line, the unit will trip after the first surge cycle 25/04/2006 Power Generation 49
Page 1 and 2: ©Siemens Power Generation 2003. Al
Page 3 and 4: GT application Review (1), offshore
Page 5 and 6: SGT-800, Industrial gas turbine Nom
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Page 9 and 10: SGT-800 Core engine ©Siemens Power
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Page 17 and 18: 25/04/2006 Power Generation 17 Auxi
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Page 25 and 26: Full and Peak Power ©Siemens Power
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Gas turbine control Torsten Strand

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