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What is photovoltaics?

Photovoltaics (PV) stands for the generation of electricity from sunlight. This is done with the aid of solar cells or solar modules, making use of a sophisticated technology. The following sections will tell you more about the individual components and about how a photovoltaic installation works. Just click on the relative item.

How it works – overview of a photovoltaic plant

A closer look at the interaction between the individual components in a photovoltaic installation.

Solar modules – the turbines of the solar power unit

Made up of several solar cells, solar modules or arrays are basically the generators in any photovoltaic system. There are different kinds of solar modules.

Inverters – how to make use of the solar energy

These devices are needed to convert the direct current obtained from the sunlight into usable 230V alternating current that can then be fed into the public grid.

Types of system – in combination or stand-alone

Depending on the location and individual needs, a distinction is made between grid-connected and self-supporting units. The majority are grid-connected because they are also generally more economical than their insular counterparts.

Types of installation – it's all a question of the angle

In the beginning, only roofs were fitted with solar panels. Take a look for yourself at the possibilities you nowadays have for installing a photovoltaic system.

Accessories –everything under control

With the aid of modern metering, display and monitoring systems, you always have a perfect picture of the performance of your PV unit.
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