A CO2-capturing hybrid power-generation system with highly efficient use of solar thermal energy

Pyong Sik Pak, Yutaka Suzuki and Takanobu Kosugi

Energy, 1997, vol. 22, issue 2, 295-299

Abstract: Characteristics have been investigated for the proposed system. Saturated steam is produced at a relatively low temperature and is used as the working fluid for a methane-fired gas-turbine system. The solar thermal utilization efficiency is considerably higher than that for conventional solar thermal power plants in which superheated steam near 670 K is used. The proposed hybrid system recovers generated CO2 during combustion with oxygen. Characteristics of the system with 10,000 m2 collector area were estimated on the basis of a computer simulation model. The net generated power was 1.55 MW, the capacity factor 21.5% and the total exergetic efficiency 20.9% when the temperature of the saturated steam is 496 K. Based on the consumed fuel, the net thermal system efficiency is 63.7%.

Date: 1997
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Citations: View citations in EconPapers (10)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:22:y:1997:i:2:p:295-299

DOI: 10.1016/S0360-5442(96)00115-6

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