How To Build Solar Panels

From Sunlight to Electricity


The solar panels (a.k.a. photovoltaic panels or PV panels) that are installed on your roof consist of a large number of small solar cells. These are all composed of two layers. Under the influence of daylight, a difference in voltage arises between these two layers. As soon as the two layers are connected, an electric current starts to flow. Solar panels generate power as soon as there is sunlight, even if there is just a little sunlight. Therefore a solar energy system works even when it is cloudy, or if the solar panels are in the shade. The yield in full sunlight is, of course, a fair bit higher.


Converting energy


The electricity that the panels generate passes through a converter or inverter via a normal plug and straight into your own electricity network. A converter is so called because it 'converts' this direct current coming from the solar panels into 220/230-volt alternating current. Once it has done so, the power can be used in your household straight away.


How much power are you producing?


The kWh meter tells you how much power the solar panels have produced. The electricity meter like in every home or property. If more power is being produced than you are consuming, then the electricity meter will go into reverse and you will be supplying energy to the energy company. In such cases, you will receive payment from the energy company.
















The best return


The solar panels generate most energy when they are south-facing. The best angle of inclination is 36 degrees. If you are fitting the solar panels on a flat roof, then the assembly pack will see to it that you have used the right angle of inclination. When installing them on a sloping roof, the slope of your roof constitutes the angle of inclination. If you are fitting the solar panels on a façade/outer wall, the yield will be some 30% lower. Yield will also be lower if your panels are in the shade.













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