Remember two points, one is the installation of solar panels at high angles. This will reduce the accumulation of snow, eliminating the need to clean up snow from time to time. "If you hesitate to choose between 30 degrees and 40 degrees, obviously 40 degrees is a better solution." If your PV panel is flat on the ground, think about those snow or contaminants that will definitely stay On the PV panel for a long time, they will not slip down. Second, maintain a small distance from the ground when installed, so that snow does not pile up at the bottom when it falls, so that it slowly accumulates to cover the entire battery assembly.
Second, how to clean the snow ?
It should be cleaned if heavy snow accumulates on the components after snow, you can use soft objects to push the snow down, be careful not to scratch the glass. Component is a certain load, but it can't be swept on solar pv mounting rack or modules, will cause cracked components and solar racks or damage, affecting the service life. It is generally recommended not to wait for the snow is too thick and then cleaned to prevent the components from freezing.
In many cases, the reflection of snow contributes little to Pv power generation. If the snow does not cover the components, the snow on the ground will be like a mirror to launch the sun back, so that electricity will increase. However, if the snow completely covers the components, only a small part of the sunlight passes through the snow and shines on the PV modules, then the Pv power generation will be affected.
Third, The attention when clean up snow
Must pay attention to the use of soft goods, to prevent scratches the glass, reducing the amount of light through the battery module Yeah;
Don’t use hot water flushing the solar panel surface, uneven heating will seriously damage the solar panel surface;
Don’t to step on the Solar PV mounting rack or components for cleaning. The solar rack and components have some bearing requirements. Cracks or components may be cracked or damaged, which may affect the life.
Must be careful not to wait snow is too thick and then clean, so as to avoid freezing components.
Snow must be thoroughly, do not underestimate the snow strip. If only a small piece of snow on the solar panel , the solar panel will be the overall failure of shelter, resulting in significantly lower power generation efficiency of the inverter.
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