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Increase of power and efficiency of the 900 MW supercritical power plant through incorporation of the ORC

Abstract

The objective of the paper is to analyse thermodynamical and operational parameters of the supercritical power plant with reference conditions as well as following the introduction of the hybrid system incorporating ORC. In ORC the upper heat source is a stream of hot water from the system of heat recovery having temperature of 90 °C, which is additionally aided by heat from the bleeds of the steam turbine. Thermodynamical analysis of the supercritical plant with and without incorporation of ORC was accomplished using computational flow mechanics numerical codes. Investigated were six working fluids such as propane, isobutane, pentane, ethanol, R236ea and R245fa. In the course of calculations determined were primarily the increase of the unit power and efficiency for the reference case and that with the ORC.

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DOI:
Digital Object Identifier (open in new tab) 10.2478/aoter-2013-0029
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Creative Commons: CC-BY-NC-ND open in new tab

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Details

Category:
Articles
Type:
artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
Published in:
Archives of Thermodynamics no. 34, pages 51 - 71,
ISSN: 1231-0956
Language:
English
Publication year:
2013
Bibliographic description:
Ziółkowski P., Mikielewicz D., Mikielewicz J.: Increase of power and efficiency of the 900 MW supercritical power plant through incorporation of the ORC// Archives of Thermodynamics. -Vol. 34., iss. 4 (2013), s.51-71
DOI:
Digital Object Identifier (open in new tab) 10.2478/aoter-2013-0029
Sources of funding:
  • COST_FREE
Verified by:
Gdańsk University of Technology

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