The issue of angle has many different views in many places, and because there are many differences in different regions, the specific angle calculation is relatively complicated, so it is very important to first The angle of installing photovoltaic brackets on the market is generally not very standard, but it does not affect the use.
Using photovoltaics found that this method mainly uses two kinds of direct radiation and scattered radiation that are too hot, and the other anti-radiation effects are very small. According to some angle calculation methods, some angles can be calculated, but there are always differences in the specific installation. If accurate calculation is not required, most of them are installed at the approximate angle of a region. And make corrections according to the data obtained in the specific situation.
Generally speaking, many people can check the local daily angle or monthly angle in the longitude and latitude of the region, choose the appropriate angle, and in normal life, you can also use some There are authoritative regional identifiers to judge.
As for the effect of the angle, it requires more detailed calculation.
Sun altitude angle=90°-the latitude difference between the place and the direct sun point
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