Installation of photovoltaic modules. Practical advice
These materials we discover a series of articles - practical advice on installation of photovoltaic modules (solar panels).
Can photovoltaic modules (solar panels) to be installed on the roof of my house? What factors should be taken into account?
The most important issues for a positive decision on placement of photovoltaic cells as follows:
- Is there a suitable place on the building where solar panels can be installed?
- Is there a type of photovoltaic system, which is suitable for your environment (including climate, building type, etc.)?
- Do I need permission to install solar panels?
Photovoltaic modules can be deployed on virtually any building surface that receives enough sunlight for most of the day. Roofs are the usual place for photovoltaic systems in homes, but the photovoltaic modules can also be placed on facades, balconies, walls and even windows. Surface, which is planned to place solar panels, should receive as much sunlight. The more light will receive a surface photovoltaic module, the more power it can produce.
The effectiveness of photovoltaic module depends on 3 factors:
1. Focusing on the compass
Accommodation photovoltaic modules should preferably be focused in the sector between the south-western and south-easterly direction. Southern exposure is the most preferable. Placement on the north "should be avoided.
2. Angle
When placing an inclined surface of the photovoltaic module receives more light than vertical or horizontal placement. The angle may be in the range from 15 to 90 °. The minimum slope of 15 ° provides a natural cleaning the surface of the photovoltaic module from the dust during the precipitation. In the European part of Russia, the optimal angle of inclination is the range of 30-60 ° with a southern exposure. Conditionally can say that the optimum tilt angle is equal to the latitude. For the eastern or western exposure angle is less than optimal for a given latitude.
3. Opacity
When mounting the photovoltaic cells must take into account the shadow of near standing trees or buildings. The presence of even a little shade during the day can significantly reduce the performance of the solar battery. If you completely avoid the shadow can not, you should consult with a specialist construction company on the optimal placement of the photovoltaic module.

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