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Power Cycles of Generation III and III+ Nuclear Power Plants

[+] Author Affiliations
Alexey Dragunov, Eugene Saltanov, Igor Pioro

University of Ontario Institute of Technology, Oshawa, ON, Canada

Pavel Kirillov

Institute for Physics and Power Engineering (IPPE) named after A.I. Leipunsky, Obninsk, Russia

Romney Duffey

DSM Associates Inc., Ammon, ID

Paper No. ICONE22-30151, pp. V005T17A021; 13 pages
doi:10.1115/ICONE22-30151
From:
  • 2014 22nd International Conference on Nuclear Engineering
  • Volume 5: Innovative Nuclear Power Plant Design and New Technology Application; Student Paper Competition
  • Prague, Czech Republic, July 7–11, 2014
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 978-0-7918-4595-0
  • Copyright © 2014 by ASME

abstract

It is well known that the electrical-power generation is the key factor for advances in any other industries, agriculture and level of living. In general, electrical energy can be generated by: 1) non-renewable-energy sources such as coal, natural gas, oil, and nuclear; and 2) renewable-energy sources such as hydro, wind, solar, biomass, geothermal and marine. However, the main sources for electrical-energy generation are: 1) thermal - primary coal and secondary natural gas; 2) “large” hydro and 3) nuclear. The rest of the energy sources might have visible impact just in some countries.

Modern advanced thermal power plants have reached very high thermal efficiencies (55–62%). In spite of that they are still the largest emitters of carbon dioxide into atmosphere. Due to that, reliable non-fossil-fuel energy generation, such as nuclear power, becomes more and more attractive. However, current Nuclear Power Plants (NPPs) are way behind by thermal efficiency (30–42%) compared to that of advanced thermal power plants. Therefore, it is important to consider various ways to enhance thermal efficiency of NPPs.

The paper presents comparison of thermodynamic cycles and layouts of modern NPPs and discusses ways to improve their thermal efficiencies.

Copyright © 2014 by ASME

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