Ponencia
Economical and environmental analysis of thermal and photovoltaic solar energy as source of heat for industrial processes
Autor/es | Pérez Aparicio, Elena
Lillo Bravo, Isidoro Moreno Tejera, Sara Silva Pérez, Manuel Antonio |
Departamento | Universidad de Sevilla. Departamento de Ingeniería Energética |
Fecha de publicación | 2017-06 |
Fecha de depósito | 2021-03-23 |
Publicado en |
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ISBN/ISSN | 9780735415225 0094-243X |
Resumen | Thermal energy for industrial processes can be generated using thermal (ST) or photovoltaic (PV) solar
energy. ST energy has traditionally been the most favorable option due to its cost and efficiency. Current costs ... Thermal energy for industrial processes can be generated using thermal (ST) or photovoltaic (PV) solar energy. ST energy has traditionally been the most favorable option due to its cost and efficiency. Current costs and efficiencies values make the PV solar energy become an alternative to ST energy as supplier of industrial process heat. The aim of this study is to provide a useful tool to decide in each case which option is economically and environmentally the most suitable alternative. The methodology used to compare ST and PV systems is based on the calculation of the levelized cost of energy (LCOE) and greenhouse gas emissions (GHG) avoided by using renewable technologies instead of conventional sources of energy. In both cases, these calculations depend on costs and efficiencies associated with ST or PV systems and the conversion factor from thermal or electrical energy to GHG. To make these calculations, a series of hypotheses are assumed related to consumer and energy prices, operation, maintenance and replacement costs, lifetime of the system or working temperature of the industrial process. This study applies the methodology at five different sites which have been selected taking into account their radiometric and meteorological characteristics. In the case of ST energy three technologies are taken into account, compound parabolic concentrator (CPC), linear Fresnel collector (LFC) and parabolic trough collector (PTC). The PV option includes two ways of use of generated electricity, an electrical resistance or a combination of an electrical resistance and a heat pump (HP). Current values of costs and efficiencies make ST system remains as the most favorable option. These parameters may vary significantly over time. The evolution of these parameters may convert PV systems into the most favorable option for particular applications. |
Cita | Pérez Aparicio, E., Lillo Bravo, I., Moreno Tejera, S. y Silva Pérez, M.A. (2017). Economical and environmental analysis of thermal and photovoltaic solar energy as source of heat for industrial processes. En 22nd International Conference on Concentrating Solar Power and Chemical Energy Systems, SolarPACES 2016 Abu Dhabi, United Arab Emirates: American Institute of Physics Inc.. |
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