More than 60% efficiency by combining advanced gas turbines and conventional steam power plants
Conference
·
OSTI ID:405496
ABB has developed a hybrid power plant concept in which a gas turbine and heat recovery steam generator are installed in parallel to a conventional steam power plant. The concept is simple and incorporates the advantages of both gas turbine and conventional power plant resulting in high fuel flexibility, high efficiency and high availability for a moderate investment. High efficiency and low investment normally counteract each other being difficult to achieve at the same time. This paper shows however, that net efficiencies of more than 60% on the gas burned in the gas turbine can be achieved; the corresponding investment is below 350 $/kW for the additional power generated by the gas turbine and the steam turbine. ABB is of the opinion, that hybrid power plants provide an interesting alternative to building separate units for multi fuel markets, especially for conversion of existing fossil fired steam plants with gas turbines.
- OSTI ID:
- 405496
- Report Number(s):
- CONF-951208--
- Country of Publication:
- United States
- Language:
- English
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