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Power Augmentation of the Siemens-Westinghouse Gas Turbines with Humid Air Injection (HAI) and Dry Air Injection (DAI)

Predicted Power Augmentation of SW 501FD Gas Turbine with HAI and DAI

(@Sea Level, 95F, 60% RH )

  CT-Humid Air Injection CT-Humid Air Injection CT-Dry Air Injection Simple CT
Total Moisture % of Air to Combustor 9.0 5.5 - -
Net Power, MW 211 199.5 196 169.7
Net Heat Rate, Btu/kWh (LHV) 8,580 8,880 9,000 9,280
Incremental Power, MW 41.3** 29.8** 26.3** Base
Incremental Heat rate, Btu/kWh 5,705 6,600 7,200 Base

** Restricted by the assumed compressor surge margin.


Predicted Power Augmentation of SW 501D5A Gas Turbine with HAI and DAI

(@Sea Level, 95F, 60% RH )

  CT-Humid Air Injection CT-Humid Air Injection CT-Dry Air Injection Simple CT
Total Moisture % of Air to Combustor 9.0 5.5 - -
Net Power, MW* 137.5 129.3 121.5 105.6
Net Heat Rate, Btu/kWh (LHV) 9,040 9,395 9,795 10,050
Incremental Power, MW 31.9** 23.7** 15.9** Base
Incremental Heat rate, Btu/kWh 5,700 6,480 8,100 Base

** Restricted by the assumed compressor surge margin.


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Contact:
Dr. Rodney R. Gay
Dr. Michael Nakhamkin

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