Multi-point and multi-level solar integration into a conventional coal-fired power plant

Yan, Qin, Yang, Yongping, Nishimura, Akira, Kouzani, Abbas and Hu, Eric 2010, Multi-point and multi-level solar integration into a conventional coal-fired power plant, Energy & fuels, vol. 24, no. 7, pp. 3733-3738.

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Title Multi-point and multi-level solar integration into a conventional coal-fired power plant
Author(s) Yan, Qin
Yang, Yongping
Nishimura, Akira
Kouzani, Abbas
Hu, Eric
Journal name Energy & fuels
Volume number 24
Issue number 7
Start page 3733
End page 3738
Total pages 6
Publisher American Chemical Society
Place of publication Washington, D.C.
Publication date 2010-07-15
ISSN 0887-0624
1520-5029
Keyword(s) Multi-point
Multi-level
Solar
Integration
Coal-fired
Power Plant
Summary Solar-aided power generation (SAPG) is capable of integrating solar thermal energy into a conventional thermal power plant, at multi-points and multi-levels, to replace parts of steam extractions in the regenerative Rankine cycle. The integration assists the power plant to reduce coal (gas) consumption and pollution emission or to increase power output. The overall efficiencies of the SAPG plants with different solar replacements of extraction steam have been studied in this paper. The results indicate that the solar thermal to electricity conversion efficiencies of the SAPG system are higher than those of a solar-alone power plant with the same temperature level of solar input. The efficiency with solar input at 330 °C can be as high as 45% theoretically in a SAPG plant. Even the low-temperature solar heat at about 85 °C can be used in the SAPG system to heat the lower temperature feedwater, and the solar to electricity efficiency is nearly 10%. However, the low-temperature heat resource is very hard to be used for power generation in other types of solar power plants. Therefore, the SAPG plant is one of the most efficient ways for solar thermal power generation.
Notes Publication Date (Web): February 25, 2010
Language eng
Field of Research 090608 Renewable Power and Energy Systems Engineering (excl Solar Cells)
091305 Energy Generation, Conversion and Storage Engineering
Socio Economic Objective 850505 Solar-Thermal Electric Energy
HERDC Research category C1 Refereed article in a scholarly journal
HERDC collection year 2010
Copyright notice ©2010, American Chemical Society
Persistent URL http://hdl.handle.net/10536/DRO/DU:30029417

Document type: Journal Article
Collection: School of Engineering
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Created: Sun, 18 Jul 2010, 18:37:30 EST by Abbas Kouzani

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