Consequences of size increases and thermodynamic constraints on steam-powerplant availability: Comparison between nuclear and fossil-fueled units

Angelo Spena and Enzo Chiricozzi

Energy, 1983, vol. 8, issue 7, 553-559

Abstract: By comparing the two largest thermoelectric units recently brought into operation in Italy (i.e., a 660-MWe fossil-fueled supercritical unit and an 860-MWe nuclear direct cycle BWR), we obtain information on the effects of size limits on powerplant availability. We assume that torsional vibrations are among the most severe causes of damage, while short circuits at the generator terminals cause the most serious fault in a power station. Computer-aided simulation of the dynamical behaviour of the two units shows the nuclear unit to be less severely stressed, thus producing longer life and better long-term reliability.

Date: 1983
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:8:y:1983:i:7:p:553-559

DOI: 10.1016/0360-5442(83)90081-6

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