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ŽELEZNIK, D., SEME, S., TRUČL, P., VORŠIČ, J.
COMPARISON BETWEEN THE MATHEMATICAL CALCULATION OF SHADING AND ELECTRONIC SHADING MEASUREMENT FOR SOLAR POWER PLANT
KOMUNALNA ENERGETIKA / POWER ENGINERING, 7
Harnessing the Sun has lately become increasingly frequent. The Sun, the eternal nuclear reactor, is practically an inexhaustible source of energy. It is clear source, which can assure us an important part of energy for our needs. Therefore the goal has to be to harness this energy to the maximal possible extent; especially we have to use the roofs of already constructed buildings. There are many objects, on which we could build a solar power plant, but not all of them are suitable. There are numerous cases where certain locations do not receive solar radiation due to obstacles, even after more autumn or winter months all the duration of the solar radiation is significantly reduced. The amount of solar energy therefore depends on the season and location.
This paper presents the design of solar power plants and pitfalls which should be considered in planning. Shading is present almost everywhere, whether they are individual objects or just grassland where shading may cause horizon himself or surrounding obstacles, for example, trees. The impact of shading, it is necessary carefully to be considered in locations where there are grouped objects side by side – in the cities.
The article presents a simulation of shading for certain position of roof of a building, which is located in the agglomeration (city). It is made a comparison between the mathematical calculation of shading and electronic shading measurement on the roof of the building.
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