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Solar Hybrid Micro Gas Turbine Based on Turbocharger

Laboratory of Thermal Turbomachines, School of Mechanical Engineering, National Technical University of Athens, Heroon Polytechniou 9, 15780 Zografou, Athens, Greece
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Appl. Syst. Innov. 2018, 1(3), 27; https://doi.org/10.3390/asi1030027
Received: 7 June 2018 / Revised: 27 July 2018 / Accepted: 27 July 2018 / Published: 1 August 2018
(This article belongs to the Special Issue Solar Thermal Systems)
The performance of solar hybrid Brayton cycle materialized by a micro-gas turbine based on a turbocharger is studied. The use of a turbocharger is aimed at investment cost reduction and construction simplification. Two configurations are investigated, namely hybrid and solar-only. Design aspects are discussed, in view of the requirement for minimizing the cost of electricity produced. A key parameter is the turbine inlet temperature and its effect on performance is investigated. The effect of heliostat field size is also investigated. Augmentation of the maximum temperature leads to better performance, as a result of higher cycle efficiency. Solar-only configuration features are compared with hybrid ones and the contribution of different cost components to the final electricity cost is discussed. View Full-Text
Keywords: CSP; STPP; solar; gas turbine; turbocharger CSP; STPP; solar; gas turbine; turbocharger
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Kalathakis, C.; Aretakis, N.; Mathioudakis, K. Solar Hybrid Micro Gas Turbine Based on Turbocharger. Appl. Syst. Innov. 2018, 1, 27.

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