The direction and angle of installation of solar panels. Consider taking full advantage of solar energy. According to physics, the longer the sun shines on a solar panel and the closer it is to vertical exposure, the more energy it receives.
The direction and tilt angle can be divided into two parts:
Direction:
I want to make the most of the sun throughout the day. According to the principle, the orientation of the solar panels is as follows:
The best direction is to face north in the southern hemisphere and south in the southern hemisphere north.
Tilt angle:
The tilt angle of the panel is for allow solar power to receive as much energy as possible, and the size of the tilt angle is related to your latitude. Next, let's take a closer look.Because the Earth's axis of rotation and orbit are not perpendicular. From our point of view, the angle of the sun is different in different seasons, with a difference of 23.4 degrees. The midpoint angle of the sun occurs at the spring and autumn equinoxes. At noon that day, the angle of the sun is exactly (90 degrees – your latitude). Through comprehensive calculations, the optimal tilt angle for a year should be a little larger than your latitude to achieve the maximum value received throughout the year.
For example, 25 31 in Guangdong, the angle of all solar panels recommended for installation in Guangdong is about 30 to 35 degrees.
Installation area:
Average: 1 kW solar panel requires approximately 10 square meters Installation area.
As shown in the figure above, the higher the latitude, the smaller the solar altitude angle.tit. In the figure above, angle 1 is the local solar altitude angle and angle 2. ? is the angle of the solar panel. ?Angle 1 + Angle 2 = 90 degrees When angle 1 (the higher the local latitude), in order to ensure that the two are complementary, angle 2 must therefore be increased. , the higher the latitude, the larger the angle of the solar panel.