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Type: Journal article
Title: An efficient way to use medium-or-low temperature solar heat for power generation - integration into conventional power plant
Author: Yang, Y.
Yan, Q.
Zhai, R.
Kouzani, A.
Hu, E.
Citation: Applied Thermal Engineering, 2011; 31(2-3):157-162
Publisher: Pergamon-Elsevier Science Ltd
Issue Date: 2011
ISSN: 1359-4311
Statement of
Yongping Yang, Qin Yan, Rongrong Zhai, Abbas Kouzani, Eric Hu
Abstract: This paper demonstrates that the medium-or-low temperature solar heat can be used to generate power efficiently by integrating into conventional coal-fired power plants. In so-called solar aided power generation (SAPG) technology, medium-or-low temperature solar heat is used to replace parts of bled-off steams in regenerative Rankine cycle to pre-heat feedwater. Thermal oil can be used as solar heat carrier and no solar steam needs to be generated, therefore the pressure of solar system can be much lower than that of the solar collector using water/steam as the heat carrier. A 200 MW coal-fired thermal power plant is selected as the case study to demonstrate the advantages of the SAPG technology in terms of solar to power efficiency, specific fuel and steam consumption rates, under various integration scenarios. The results indicate that there is a great potential and effect for low or medium solar heat to be used for power generation purposes through SAPG approach. © 2010 Elsevier Ltd. All rights reserved.
Keywords: Solar Aided Power Generation (SAPG)
Coal-fired power plant
Solar to power efficiency
Low temperature power generation
Rights: Crown copyright © 2010 Published by Elsevier Ltd. All rights reserved.
DOI: 10.1016/j.applthermaleng.2010.08.024
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