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Volume 13 article 332 pages: 217-224
growing demand for electricity and the need to develop Renewable Energy Sources
(RES), pushed the modern world to develop Photovoltaic (PV) systems. An
evaluation of performance of photovoltaic power systems was conducted, aiming
to analyze the causes of performance reduction of the systems. During the years
2010 - 2013 was a period which was described as «fever of photovoltaic» systems
installation in Greece. There were so blatant manufacturing defects mainly to
the roof-top PV systems. Studding their location and construction method,
radically different, even in neighboring systems we find that the reflection on
the performance conditions are reasonable and easy to understand. This is the
reason that leads us to make a research study regarding the performance
differences of the roof-top PV systems and the causes of them. Mainly we deal
more with the systems of low performance ≤ 10kW, because they are more economical
and interesting. In this paper, a study for the area of prefecture of Kavala,
Greece is analyzed.
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