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Exergetic and thermoeconomic analysis of a 200-kW phosphoric acid fuel cell plant
- Authors
- Kwak, H.-Y.; Lee, H.-S.; Jeon, J.-S.; Choi, D.
- Issue Date
- Nov-2001
- Citation
- American Society of Mechanical Engineers, Advanced Energy Systems Division (Publication) AES, v.41, pp 399 - 408
- Pages
- 10
- Journal Title
- American Society of Mechanical Engineers, Advanced Energy Systems Division (Publication) AES
- Volume
- 41
- Start Page
- 399
- End Page
- 408
- ISSN
- 0000-0000
- Abstract
- Exergetic and thermoeconomic analysis were performed for a 200-kW Phosphoric Acid Fuel Cell(PAFC) plant which offers advantage for cogeneration in the aspect of high electrical efficiency and low emission. This analytical study was based on data obtained by in-field measurement of PC25C fuel cell plant to find whether this system is viable. For 100% load condition, the electrical efficiency and the unit cost of electricity are about 45% and 0.032 $/kWh respectively, which turn out to be much better than those for a 1000-kW gas turbine cogeneration plant. Further, at lower loads, the unit costs of electricity and hot water increase slightly and consequently more economic operation is possible at any loads.
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