EVALUATION OF THE GRID CONNECTED PV SYSTEM INSTALLED IN THE FAÇADE OF THE SCIENCE AND TECHNOLOGY MUSEUM OF THE PUCRS
DOI:
https://doi.org/10.59627/cbens.2016.1448Keywords:
Solar Energy, Grid Connected PV System, Energy YieldAbstract
Investments in new technologies for electric energy production are needed to meet the load demand. In this context, the production of electric energy from the direct conversion of solar energy, called photovoltaic (PV) solar energy has been highlighted. The goal of this paper was to evaluate the production of electric energy and the PV system installed at the Science and Technology Museum (MCT) of the PUCRS during 2014. As a strategy to promote PV energy, the Ministry of Mines and Energy (MME) supported the development of an industrial process to produce silicon solar cells and PV modules as well as the installation of a grid connected PV system. The PV system was installed on the façade of the MCT and it was tilted 90°, aiming the architectural integration. The PV-array is composed of two panels with 10 PV modules in each one. The electric power of the panels is 322 Wp and 338 Wp, resulting in 660 Wp. In 2014, the average daily solar irradiation on the PV array was 2.1 kWh/(m2 day), resulting in the electric energy produced of 33.2 kWh/month. The inverter efficiency was 83.2 % and the PV-array efficiency was 9.0 %, resulting in the overall system efficiency of 7.8 %. During this year, the average temperature of the PV module and of the ambient temperature was 30.1 °C and 25.7 °C, respectively. The low temperature of the PV modules was due the positioning of the PV-array installation. The annual PV system yield was 572 kWh/kWp and the average performance ratio was 0.73, due to the installation of PV modules on the façade tilted 90°.
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References
Borah, R. R., Palit, D., Mahapatra, S., 2014. Comparative analysis of solar photovoltaic lighting systems in India, Energy Procedia, n. 54, pp. 680-689. DOI: 10.1016/j.egypro.2014.07.309.
Hestnes, A. G., 1999. Building integration of solar energy systems, Solar Energy, vol. 67, n. 4-6, pp. 181-187.
IEC, 1998. Photovoltaic system performance monitoring – guidelines for measurement, data exchange and analysis, IEC Standard 61724, Geneva.
Jelle1, B. P., Breivik, C., 2012. State-of-the-art building integrated photovoltaics, Energy Procedia, n. 20, pp. 68-77. DOI: 10.1016/j.egypro.2012.03.009.
Jelle2, B. P., Breivik, C., 2012. The path to the building integrated photovoltaics of tomorrow, Energy Procedia, n. 20, pp. 78-87. DOI: 10.1016/j.egypro.2012.03.010.
Marion, B., Adelstein, J., Boyle, K., Hayden, H., Hammond, B., Fletcher, T., Canada, B., Narang, D., Kimber, A., Mitchell, L., Rich, G., Townsend, T., 2005. Performance parameters for grid-connected PV systems. 31st IEEE Photovoltaic Specialists Conference, Orlando, FL. DOI: 10.1109/PVSC.2005.1488451.
MME, 2015. Resenha Energética Brasileira – Exercício de 2014. Disponível em: http://www.mme.gov.br/ Acesso: outubro 2015.
Nordmann, T., Clavadetscher, L., 2003. Understanding temperature effects on PV system performance, 3rd World Conferecence on Photovoltaic Energy Conversion, Osaka, Japan.
Pereira, E., B., Martins, F. R., Abreu, S. L., Rüther, R., 2006. Atlas brasileiro de energia solar, São José dos Campos, 1ª ed., 60 p. ISBN 85-17-00030-7 / ISBN 978-85-17-00030-0.
Radhi, H., 2010. Energy analysis of façade-integrated photovoltaic system applied to UAE commercial buildings, Energy Procedia, n. 84, pp. 2009-2021. DOI: 10.1016/j.solener.2010.10.002.
