Dust Accumulation On Solar Panels
Introducing the photovoltaic soiling index pvsi.
Dust accumulation on solar panels. Invention characterized by single solar cell use. Dust accumulation on the surface of photovoltaic panels. Dust property consist of size components shape and weight. Kuwait city sept 23.
Accumulation of dirt or particles like dust water sand and moss on the surface of solar photovoltaic panel obstruct or distract light energy from reaching the solar cells. The renewable energy program of the energy and building research center at the kuwait institute for scientific research has obtained a patent issued by the united states patent and trademark office on the subject of measuring the effect of dust accumulation or any other pollutants on the performance of solar cells reports. This is a major problem since the light obstruction materials pose as external resistances that reduce solar photovoltaic performance. The accumulation of dust on the surface of pv module reduces the glass cover transmittance and hence decreases the amount of solar irradiation reaching the cells.
Dust accumulation with different dust s urface density for 30 cm 2 of solar panel area these spots vary in shape location and dust density. Effect of dust accumulation on solar panels and mechanism for alleviation. Dust accumulation on the surface of solar pv modules mirrors reflectors and other solar collectors is of great concern due to occasional to frequent dust storm in the gulf region. Dust accumulation on solar module surface is an issue of great concern especially in desert regions where occasional to frequent dust storms do occur.
But a small percentage around 8 percent was from. Effect of dust accumulation on performance of photovoltaic solar modules in sahara environment inproceedings mohamed2012effectod title effect of dust accumulation on performance of photovoltaic solar modules in sahara environment author a. Further the annual average solar insolation is almost 4 7kwh m2 per day. These conditions are per.
So the dust has a direct e ffect by minimizi ng the. There is a great potential for solar power utilization in the eastern part of saudi arabia by employing solar photovoltaic pv modules. Most of the stuff caked on the panels was ordinary dirt and dust. For example in malaysia the dust in acidic and can cause erosion to the surface of the panel.
There are two interdependent parameters that effect on characterization of soiling accumulation on solar panels the property of dust and the local environment. 11 mejia f kleissl j bosch jl.