Gas turbine control Torsten Strand
Gas turbine control Torsten Strand
Gas turbine control Torsten Strand
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Control system simulations<br />
• The logics are basically figured out of us, the engine designers, but the logics<br />
is programmed by others<br />
• There will be errors both in the logics and the programming<br />
• Simulations to check it can be done in simple or sophisticated ways<br />
©Siemens Power Generation 2003. All Rights Reserved<br />
• In the simple way an Excel program can be used<br />
• The gas <strong>turbine</strong> performance is calculated at small time steps<br />
•0.5 sec at fast transients (valve openings)<br />
•1 sec at normal start sequences (acceleration and trip)<br />
•10 sec at normal loading<br />
• Usually the rotor mass can be neglected (not at load rejection)<br />
25/04/2006<br />
Power Generation 63
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