Now that the penetration rate of photovoltaic power stations has increased, their own small hearts can not help but tempted to build photovoltaic power plants. If they want to “self-supportâ€, they can not only save electricity, but also earn extra money. At least electricity is not required to use the national grid. ! What are the conditions for installation of a family photovoltaic power plant? How much can my home roof be installed with a power station? How many watts can I install? Is the installation of an ordinary family the same as the installation of photovoltaic power plants? Instantly feel that you do not understand anything, what can be done?
Do not worry, this thing is not one or two sentences can be made clear, first listen to Xiao Bian with you simple analysis!
In general, the installed capacity of a household distributed system should be considered in combination with the household electricity consumption, roof area, and orientation. However, the size of the roof does ultimately determine the maximum installed capacity of the system, so Fu Meier will give you a brief analysis.
At present, domestic roofs are mainly divided into three categories: cement roofs, color steel plate roofs, and tile roofs. However, from the perspective of calculating the installed capacity, it can be simplified as two types of horizontal roofs and inclined roofs.
Horizontal roof
Horizontal roofs mainly refer to cement roofs, and some flat roofs are made of asphalt, but such roofs are rare. At present, the roof is still mainly cement roof.
As the name suggests, horizontal roofs are flat roofs. When roofs of this type are installed with PV modules, they need to be equipped with supporting frames, and the inclination angle should be set according to the sunshine conditions. Because of the inclination angle, in order to ensure that the front row components do not block the rear row components, space is left between the two rows of components. So generally a one-square-meter horizontal roof can install 50 to 70 watts of components.
Inclined roof
Including color steel plate roof and tile roof. Tilting the roof does not require the use of brackets and calculation of inclination. The installation can be laid according to the tilt angle of the roof itself, so the components can be laid seamlessly and the installed capacity will be larger than the horizontal roof. In general, a one-square-meter inclined roof can install 70 to 100 watts of components.
In summary, Xiao Bian specially arranged a table for your reference.
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