Thermoeconomic optimization of a combined-cycle solar tower power plant

被引：101
|
作者：
Spelling, James [1 ,2 ]
Favrat, Daniel [2 ]
Martin, Andrew [1 ]
Augsburger, Germain [2 ]
机构：
[1] Royal Inst Technol, Dept Energy Technol, SE-10044 Stockholm, Sweden
[2] Ecole Polytech Fed Lausanne, Ind Energy Syst Lab, CH-1015 Lausanne, Switzerland
来源：
ENERGY | 2012年 / 41卷 / 01期
关键词：
Solar thermal power; Combined-cycle; Multi-objective optimization; Thermo-economics; HIGH-TEMPERATURE; DESIGN; ENERGY;
D O I：
10.1016/j.energy.2011.03.073
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A dynamic model of a pure-solar combined-cycle power plant has been developed in order to allow determination of the thermodynamic and economic performance of the plant for a variety of operating conditions and superstructure layouts. The model was then used for multi-objective thermoeconomic optimization of both the power plant performance and cost, using a population-based evolutionary algorithm. In order to examine the trade-offs that must be made, two conflicting objectives will be considered, namely minimal investment costs and minimal levelized electricity costs. It was shown that efficiencies in the region of 18-24% can be achieved, and this for levelized electricity costs in the region of 12-24 UScts/kWh(e), depending on the magnitude of the initial investment, making the system competitive with current solar thermal technology. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：113 / 120
页数：8
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