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Gas turbine control Torsten Strand

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IGV and bleed valves<br />

120<br />

100<br />

IGV&Bleed Valve positions (%)<br />

BV2 position (%)<br />

IG V p o sitio n (% )<br />

BV1 position (%)<br />

Actual IGV<br />

Actual BV2<br />

Actual BV1<br />

©Siemens Power Generation 2003. All Rights Reserved<br />

Valve position %<br />

80<br />

60<br />

40<br />

20<br />

0<br />

2000 4000 6000 8000 10000 12000<br />

Nnorm rpm<br />

25/04/2006<br />

Power Generation 39

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