Optimum Tilt of Solar PV Array
It is very important to set a optimum angle for solar array, it will directly relate to how much power your solar array will generate,and how much return you got from the power produced.
Sunlight form a angle with object on the Earth,the angle varies throughout the years because the earth rotating around its own axis and its elliptical orbit. The sun is higher in the summer and lower in the winter, Solar PV array should set a steep angle to face sun to extract maximum power from the sun. Therefore, in order to get solar panel face sun directly, the optimum fixed tilt angles of Solar PV array should be changed monthly and seasonally.
The table below shows the effect of adjusting the angle, using a system at 40° latitude as an example. (The comparison would be a little different for different latitudes.) Each option is compared with the energy received by the best possible tracker that always keeps the panel pointed directly at the sun.
|
Fixed |
Adj. 2 seasons |
Adj. 4 seasons |
2-axis tracker |
% of optimum |
71.1% |
75.2% |
75.7% |
100% |
From above table ,we can see adjusting the tilt twice a year gives you a meaningful boost in energy. So how to make Solar Mounting System with angle adjustable directly affect the Solar PV array power generation. Landpower supply seasonal tilt ground mounting, angle adjustable flat roof solar mounting, and angle tilt metal roof solar mounting to achieve tilt angle adjustable to get optimum angle monthly and seasonally.
(Seasonal Tilt Ground Mounting)
(Tilt Adjustable Roof Mounting)
704,No.496, Xingling Bay Road,Jimei District, Xiamen, China
Email : info@landpowerpv.com
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