This study is an economic assessment of evaporative and steam-injected cycles based on three gas turbines (Trent, GTX100 and Cyclone). The evaporative cycles included part or full flow humidification and steam injection. For the Trent and GTX100, part flow cases had the lowest costs of electricity (32.6 mills/kWh and 30.9 mills/kWh, respectively), while a full flow case had the lowest cost of electricity (35.3 mills/kWh) for the Cyclone. However, the cost variations between different cycles were small: below 1% (0.4 mills/kWh) for the GTX100 and Cyclone cases and below 3% (0.9 mills/kWh) for the Trent cases. The specific investment costs were lower for part flow evaporative cycles than for full flow cycles, while steam-injected cycles had the lowest specific investment costs. The Trent and GTX100 evaporative cycles had significantly lower total and specific investment costs than combined cycles, while the costs of electricity were approximately the same.
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ASME Turbo Expo 2003, collocated with the 2003 International Joint Power Generation Conference
June 16–19, 2003
Atlanta, Georgia, USA
Conference Sponsors:
- International Gas Turbine Institute
ISBN:
0-7918-3686-X
PROCEEDINGS PAPER
Economic Assessment of Evaporative Gas Turbine Cycles With Optimized Part Flow Humidification Systems
Maria Jonsson,
Maria Jonsson
Royal Institute of Technology, Stockholm, Sweden
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Jinyue Yan
Jinyue Yan
Royal Institute of Technology, Stockholm, Sweden
Search for other works by this author on:
Maria Jonsson
Royal Institute of Technology, Stockholm, Sweden
Jinyue Yan
Royal Institute of Technology, Stockholm, Sweden
Paper No:
GT2003-38009, pp. 1-10; 10 pages
Published Online:
February 4, 2009
Citation
Jonsson, M, & Yan, J. "Economic Assessment of Evaporative Gas Turbine Cycles With Optimized Part Flow Humidification Systems." Proceedings of the ASME Turbo Expo 2003, collocated with the 2003 International Joint Power Generation Conference. Volume 3: Turbo Expo 2003. Atlanta, Georgia, USA. June 16–19, 2003. pp. 1-10. ASME. https://doi.org/10.1115/GT2003-38009
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