Title | Analysis of multi-source energy system for small-scale domestic applications. Integration of biodiesel, solar and wind energy |
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ID_Doc | 16022 |
Authors | Algieri, A; Morrone, P; Perrone, D; Bova, S; Castiglione, T |
Title | Analysis of multi-source energy system for small-scale domestic applications. Integration of biodiesel, solar and wind energy |
Year | 2020 |
Published | |
Abstract | The paper aims at analysing the energy performance of an innovative multi-source energy system for residential small-scale combined heat and power (CHP) applications. The integrated system is based on an Organic Rankine Cycle (ORC) fuelled by biodiesel, a wind turbine, and a photovoltaic unit. The application refers to the Italian residential sector. The ORC system operates in order to satisfy the thermal demand of domestic users while wind and solar based sub-systems work in parallel to increase the electric self-consumption rate. An auxiliary boiler provides thermal energy when the CHP thermal output is low. Furthermore, when the solar and/or wind sources are significant, the ORC can be switched-off or operated at partial load. A preliminary investigation is performed to define the proper size of the ORC unit. Afterwards, the analysis is focused on a multi-variable optimisation of the integrated system. In particular, the nominal power of the wind turbine and photovoltaic units have been found in order to guarantee a proper trade-off between electric self-consumed and surplus energy. (C) 2019 Published by Elsevier Ltd. |
https://doi.org/10.1016/j.egyr.2019.09.045 |
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