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SEME, S., ŠTUMBERGER, G.
EFFICIENCY OF SILICON SOLAR MODULES AT DIFFERENT CLIMATIC CONDITIONS
KOMUNALNA ENERGETIKA / POWER ENGINERING, 7
This paper deals with the impact of different climatic conditions on the efficiency of silicon solar modules. The mono-crystalline, the poly-crystalline and the amorphous silicon solar modules are compared. According to the measurements of IU characteristic of the solar module and solar radiation, the efficiency of individual silicon solar modules has been determined. It is shown that the efficiency as a function of different climatic conditions for a silicon solar modules varies considerably. Slowly increasing efficiency characteristic as a function of intensity of solar radiation is shown in amorphous silicon solar modules, while the poly-crystalline and mono-crystalline silicon solar modules, this characteristic is flat.
DEŽELAK, K., DEŽAN, K., DEŽELAK, D., BELIČ, E., ŠTUMBERGER, G.
INTERNAL RATE OF RETURN FOR A SOLAR POWER PLANT IN CASE OF MOVABLE PHOTOVOLTAIC MODULS
KOMUNALNA ENERGETIKA / POWER ENGINERING, 8
In proposed paper the internal rate of return for a solar power plant investment is mainly dealt. The main parts of the solar power plant are represented by the photovoltaic moduls, which could be static or movable. In case of movable photovoltaic moduls, where moduls are following to the movement of the sun, the amount of the produced energy could be even up to 30 % higher than in case of static photovoltaic moduls. On the other hand an investment in movable solar plant leads to the higher initial costs of the whole investment.
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