Effect of Aspect Ratio of Heliostat on Cost of Energy from Solar Power Tower Plants

2019 ◽  
Vol 45 (2) ◽  
pp. 877-890 ◽  
Author(s):  
Rakesh Singhai ◽  
Harender Sinhmar ◽  
N. D. Banker
Keyword(s):  
Aspect Ratio ◽  
Solar Power ◽  
Cost Of Energy ◽  
Solar Power Tower

scholarly journals Efficient optimized design of solar power tower plants based on successive response surface methodology

2019 ◽  
Vol 14 (4) ◽  
pp. 475-486 ◽  
Author(s):  
Yan Luo ◽  
Yue Hu ◽  
Tao Lu
Keyword(s):  
Response Surface Methodology ◽  
Response Surface ◽  
Optimization Design ◽  
Solar Power ◽  
Computation Time ◽  
Optimized Design ◽  
Cost Of Energy ◽  
Successive Response ◽  
Solar Power Tower ◽  
Global Algorithm

Abstract Recently the optimal design of the solar power tower (SPT) plants have attracted increasing attention. In this paper, an improved algorithm combing the successive response surface methodology (SRSM) and simulated annealing (SA) global algorithm was proposed to achieve the efficient optimization design of the molten salt SPT plant with 2650 heliostats in Sevilla, Spain. Based on the traditional response surface methodology (RSM) and the adaptive domain reduction method, the SRSM was established to surrogate the complex thermo-economic model of the SPT plant to the updated approximation function, which was a high-order polynomial form to define the relationship between the objective parameter of the levelized cost of energy (LCOE) and 12 design variables related to the 4 subsystems of the SPT plant. After that, the SPT plant optimization design was performed by the SA global algorithm on the basis of SRSM. According to a comparison between the results obtained by the proposed method and the actual model-based global algorithm, the high accuracy and low computation time of the proposed strategy was proved.

scholarly journals Performance and Economic Analysis of Concentrated Solar Power Generation for Pakistan

Processes ◽  
2019 ◽  
Vol 7 (9) ◽  
pp. 575 ◽  
Author(s):  
Soomro ◽  
Mengal ◽  
Memon ◽  
Khan ◽  
Shafiq ◽  
...  
Keyword(s):  
Energy Production ◽  
Solar Power ◽  
Renewable Energy Sources ◽  
Supply And Demand ◽  
Air Cooling ◽  
Concentrated Solar Power ◽  
Cost Of Energy ◽  
Solar Power Tower ◽  
Economic Analyses ◽  
Solar Resource

In Pakistan, the utilization of renewable energy sources is increasing in order to reduce the electricity supply and demand gap. However, concentrated solar power (CSP) generation has not been considered in the country even though it has gained considerable attention worldwide. This study, as such, investigates the potential, performance, and economic analyses of four CSP technologies for different locations in Pakistan. Initially, an assessment of CSP sites, including solar resource, land, and water availability, was undertaken. Then, performance simulations of CSP technologies for four different locations of Pakistan, namely Quetta, Hyderabad, Multan, and Peshawar, were examined. For all cases, highest energy production was achieved in summers and lowest in winters, and CSP plants with evaporative cooling were found to be efficient compared to air cooling. The results also revealed that the Quetta and Hyderabad regions were promising for CSP development while parabolic tough (PT) and solar power tower (SPT) were the suitable CSP technologies for these regions. Specifically, the SPT plant with air cooling could be a favorable option for energy production in Quetta. Lastly, economic analyses revealed the financial feasibility of CSP plants in Pakistan since the levelized cost of energy is found to be significantly low.

scholarly journals Comparison between Concentrated Solar Power and Gas-Based Generation in Terms of Economic and Flexibility-Related Aspects in Chile

Energies ◽  
2021 ◽  
Vol 14 (4) ◽  
pp. 1063
Author(s):  
Catalina Hernández Moris ◽  
Maria Teresa Cerda Guevara ◽  
Alois Salmon ◽  
Alvaro Lorca
Keyword(s):  
Natural Gas ◽  
Solar Power ◽  
Renewable Energy Sources ◽  
Cost Effective ◽  
Hybrid Plant ◽  
Point Of View ◽  
Concentrated Solar Power ◽  
Economic Point ◽  
Hybrid Plants ◽  
Cost Of Energy

The energy sector in Chile demands a significant increase in renewable energy sources in the near future, and concentrated solar power (CSP) technologies are becoming increasingly competitive as compared to natural gas plants. Motivated by this, this paper presents a comparison between solar technologies such as hybrid plants and natural gas-based thermal technologies, as both technologies share several characteristics that are comparable and beneficial for the power grid. This comparison is made from an economic point of view using the Levelized Cost of Energy (LCOE) metric and in terms of the systemic benefits related to flexibility, which is very much required due to the current decarbonization scenario of Chile’s energy matrix. The results show that the LCOE of the four hybrid plant models studied is lower than the LCOE of the gas plant. A solar hybrid plant configuration composed of a photovoltaic and solar tower plant (STP) with 13 h of storage and without generation restrictions has an LCOE 53 USD/MWh, while the natural gas technology evaluated with an 85% plant factor and a variable fuel cost of 2.0 USD/MMBtu has an LCOE of 86 USD/MWh. Thus, solar hybrid plants under a particular set of conditions are shown to be more cost-effective than their closest competitor for the Chilean grid while still providing significant dispatchability and flexibility.

High temperature oxidation and erosion of candidate materials for particle receivers of concentrated solar power tower systems

Solar Energy ◽  
2019 ◽  
Vol 188 ◽  
pp. 883-889 ◽  
Author(s):  
T. Galiullin ◽  
B. Gobereit ◽  
D. Naumenko ◽  
R. Buck ◽  
L. Amsbeck ◽  
...  
Keyword(s):  
High Temperature ◽  
High Temperature Oxidation ◽  
Solar Power ◽  
Concentrated Solar Power ◽  
Temperature Oxidation ◽  
Solar Power Tower

Concentrating Solar Power Development in China

2010 ◽  
Vol 132 (2) ◽  
Author(s):  
Zhifeng Wang ◽  
Xin Li ◽  
Zhihao Yao ◽  
Meimei Zhang
Keyword(s):  
Solar Power ◽  
Technology Development ◽  
Solar Thermal ◽  
Maximum Temperature ◽  
Energy Storage Materials ◽  
Concentrating Solar Power ◽  
Air Power ◽  
Conversion Materials ◽  
Solar Power Tower ◽  
Evacuated Tube

Research on concentrating solar power (CSP) technologies began in 1979 in China. With pressure on environmental and energy resources, the CSP technology development has been accelerating since 2003. After 30 years of development, China has made significant progress on solar absorbing materials, solar thermal-electrical conversion materials, solar energy storage materials, solar concentrator equipments, evacuated tube solar trough collectors, solar thermal receivers, solar dish-Stirling systems, solar high-temperature air power generations, and solar power tower system designs. A 1 MW solar tower plant demonstration project landmark is currently being built in Beijing, to be completed by 2010 with a maximum temperature of 390°C and pressure of 2.35 MPa.

scholarly journals Optimizing dispatch for a concentrated solar power tower

Solar Energy ◽  
2018 ◽  
Vol 174 ◽  
pp. 1198-1211 ◽  
Author(s):  
Michael J. Wagner ◽  
William T. Hamilton ◽  
Alexandra Newman ◽  
Jolyon Dent ◽  
Charles Diep ◽  
...  
Keyword(s):  
Solar Power ◽  
Concentrated Solar Power ◽  
Solar Power Tower

scholarly journals Solar Thermal Power: Appraisal of Solar Power Towers

2018 ◽  
Vol 225 ◽  
pp. 04003
Author(s):  
Hashem Shatnawi ◽  
Chin Wai Lim ◽  
Firas Basim Ismail
Keyword(s):  
Heat Transfer ◽  
Heat Flux ◽  
Solar Power ◽  
Thermal Power ◽  
Tube Material ◽  
Power Cycles ◽  
Solar Thermal Power ◽  
Central Receiver ◽  
Receiver System ◽  
Solar Power Tower

This study delves into several engineering procedures related to solar power tower plants. These installations come with central receiver system technologies and high-temperature power cycles. Besides a summary emphasizing on the fundamental components of a solar power tower, this paper also forwards a description of three receiver designs. Namely, these are the tubular receiver, the volumetric receiver and the direct absorber receiver. A variety of heat transfer mediums were assessed, while a comprehensive explanation was provided on the elements of external solar cylindrical receivers. This explanation covers tube material, molten salt, tube diameter and heat flux.

scholarly journals Heliostat field cleaning scheduling for Solar Power Tower plants: A heuristic approach

2019 ◽  
Vol 235 ◽  
pp. 653-660 ◽  
Author(s):  
Thomas Ashley ◽  
Emilio Carrizosa ◽  
Enrique Fernández-Cara
Keyword(s):  
Solar Power ◽  
Heuristic Approach ◽  
Solar Power Tower
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