Energy analysis of a 30 kWe solar tower power plant for electricity production in the Sahelian zone

Kory FAYE, Babacar THIAM, Mactar FAYE


This work focuses on the energy analysis of a 30 kWe solar tower power plant for electricity production in the Sahelian zone. For this study, an indirect pressurized air volumetric solar receiver and a Capstone (C30) gas turbine are used. Thermodynamic models for each component are developed to establish the energy balance of the system and to determine its performance. A calculation code for the simulation of the solar tower power plant is developed under Matlab software by inserting all the thermodynamic models which govern the system. These calculations are made taking into account the conditions of the environment in situ, the characteristics of the solar field and the Capstone turbine. The solar field consists of 175 heliostats of 2 m2 surface and 1.5 m height each. The results showed a solar-electrical efficiency of 25.45% for a compression ratio of 4.75 and a turbine inlet temperature (TIT) of 900 °C


Energy analysis; Solar receiver; Solar tower power plant; Capstone (C30) gas turbine

Texte intégral :



I. Onyeji, M. Bazilian, P. Nussbaumer, Contextualizing electricity access in sub-Saharan Africa, Energy for Sustainable Development, Vol. 16, pp. 520–527, 2012.

Daabo et al. Development of three dimensional optimization of a small-scale radial turbine for solar powered Brayton cycle application, Applied Thermal Engineering, Vol. 16, pp. 718–733, 2017.

K. E. N’Tsoukpoe, K. Y. Azoumah, E. Ramde and al. Integrated design and construction of a micro-central tower power plant, Energy for Sustainable Development, Vol.31, pp.1-13, 2016.

A. Thiam, C. Mbow, M. Faye, P. Stouffs and D. Azilinon, Assessment of hybrid concentrated solar power-biomass plant generation potential in Sahel: case study of Senegal, Natural Resources, Vol. 8, pp. 531-547, 2017.

Mohamed Abbas et al. Dish Stirling Technology: A 100 MW solar power plant using hydrogen for Algeria, International Journal of Hydrogen Energy, Vol. 36, pp. 4305-4314, 2011.

Roux et al. The efficiency of an open-cavity tubular solar receiver for a small-scale solar thermal Brayton cycle, Energy Conversion and Management Vol. 84, pp. 457-470, 2014.

James E. Pacheco et al., Final Test and Evaluation Results from the Solar Two Project, Solar Thermal Technology, Sandia National Laboratories, 2002

M. A. Mustafa, S. Abdelhady, A. A. Elweteedy, Analytical Study of an Innovated Solar Power Tower (PS10) in Aswan, International Journal of Energy Engineering, Vol. 2(6), pp. 273-278, 2012

B. Bonduelle, B. Rivoire and A. Ferriere, La centrale expérimentale THEMIS : Bilan et Perspectives, Revue de Phys. Appl., 1989.

Lanchi et al. Investigation into the coupling of micro gas turbine with CSP-technology: OMSoP Project, Energy Procedia, Vol. 69, pp. 1317-1326, 2015.

Giostri and Macchi. An advanced solution to boost sun-to-electricity efficiency of parabolic dish, Solar Energy, Vol. 139, pp. 337-354, 2016.

Giostri et al. Small scale solar tower coupled with micro gas turbine, Renewable Energy, Vol. 147, pp. 570-583, 2020.

Nelson et al. Thermodynamic modeling of solarized micro turbine for combined heat and power applications, Applied Energy, Vol. 212, pp. 592-606, 2018.

Shuang-Ying Wu, Lan Xiao, Yiding Cao and You-Rong Li, A parabolic dish/AMTEC solar thermal power system and its performance evaluation, Applied Energy, Vol. 87, pp. 452–462, 2010.

Stefano Mazzoni, Giovanni Cerri and Leila Chennaoui, A simulation tool for concentrated solar power based on micro gas turbine engines, Energy Conversion and Management, Vol. 174, pp. 844–854, 2018.

A. Javanshir, Nenad Sarunac and Zahra Razzaghpanah, Thermodynamic analysis of simple and regenerative Brayton cycles for the concentrated solar power applications, Energy conversion and management, Vol. 163, pp.428-443, 2018.

Maghsoudi et al. Comparative study and multi-objective optimization of plate-fin recuperator applied in 200 kW micro turbines based on non-dominated sorting and normalization method considering recuperator effectiveness, exergy efficiency and total cost, International Journal of Thermal Sciences, Vol. 124, pp.50-67, 2018.

Peter Pozivil, Simon Ackermann and Aldo Steinfeld, Numerical Heat Transfer Analysis of a 50 kWth Pressurized-Air Solar Receiver, Journal of Solar Energy Engineering, Vol. 137, 2015.

Petrasch et al. Tomography based determination of permeability, Dupuit–Forchheimer coefficient, and interfacial heat transfer coefficient in reticulate porous ceramics, International Journal of Heat and Fluid Flow, Vol. 29, pp. 315-326, 2008.

C30 Micro Turbine Natural Gas, Available from,


  • Il n'y a présentement aucun renvoi.