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The PETROBRAS 45.5 kWp, grid-connected PV system: a comparative study of six thin-film module types operating in Brazil

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5 Author(s)
Ruther, R. ; Laboratorio de Energia Solar, Univ. Fed. de Santa Catarina, Florianopolis, Brazil ; da Silva, A.J.G. ; Montenegro, A.A. ; Salamoni, I.T.
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Previous work carried out at LABSOLAR in Brazil has established that thin-film amorphous silicon (a-Si) is a good choice of PV technology for operation in warm and sunny climates. Meanwhile, PETROBRAS, the Brazilian oil company, is looking at different renewable energy technologies to spread its energy mix and energy product portfolio. The company, recognizing the present and future role that photovoltaics will play in the world energy scenario, has established links with LABSOLAR to receive training and build knowledge on PV. This paper describes the design and installation of the so far largest PV system in the country: a 45.5 kWp grid-connected thin-film system, comprising six sub-systems using PV modules from four different a-Si manufacturers, one cadmium telluride (CdTe) and one copper indium gallium diselenide (CIGS) manufacturer. The fully monitored PV installation will compare the long-term output performance of state-of-the-art thin-film technologies, looking at annual energy yields and performance ratios at both module and system levels.

Published in:

Photovoltaic Specialists Conference, 2002. Conference Record of the Twenty-Ninth IEEE

Date of Conference:

19-24 May 2002