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Titolo
Hybrid thermosolar and micro gas turbine power plant for distributed generation: Thermoeconomic evaluation
Autor(es)
Soggetto
Dish/Engine systems
Hybridization
Power Cycles
Fecha de publicación
2018-09
Resumen
[EN]This work provides an integrated design of a small-scale hybrid solar power plant aimed at distributed
generation of electrical energy. This technology may be especially interesting for remote areas with no
access to electricity and advantageous solar conditions. The inherent limitations of a solar-only power plant
(seasonal and meteorological sun fluctuations, nights) may be overcome with a hybrid operation mode.
These systems can work uninterruptedly with an approximately constant power output, since the pressurized
air of the cycle is heated from the concentrated solar irradiance and, when necessary, from the combustion of
a fossil fuel. Then, the transformation of thermal energy to mechanical one is carried out by means of a
Brayton thermodynamic cycle.
The main purpose in this work is to analyse the performance of the system for any real environmental and
geographical conditions, through a thermodynamic model based on a reduced number of parameters, each
one of clear physical significance. This is complemented with a thermoeconomic analysis, allowing
URI
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