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Photovoltaic (PV)

Photovoltaic power generation is done by employing panels composed of a number of cells containing photovoltaic material (often silicon). This photovoltaic material then converts solar radiation into electric current.

While solar tracking is essential for both CPV and CSP to deliver power it is not the case for PV. The reason for choosing tracking on a PV installation instead of just having a fixed installation is an increased energy output during the day. Whether it is feasible to install a tracker is thus dependable on whether the increased energy output (kWh) weights up the additional cost of the tracking system.

Return on investment of the tracking part in a solar tracking system is approximately 4-5 years.

The Return on investment curve differs depending on where you are situated in the world.
The curve differs depending on where you are situated in the world.

Concentrated Photovoltaic (CPV)

Concentrated Photovoltaic power generation uses the same photovoltaic material as PV. On CPV panels the solar radiation is however concentrated onto the material using lenses.

This creates a much higher electricity output pr. m2 photovoltaic material. For the installation to work it is essential that the CPV panels follow the sun during the day.

Concentrated Photovoltaic (CPV)
Concentrated Photovoltaic (CPV)
Movement challenges:
  • High precision
  • Minimum endplay
  • High resolution feed-back
LINAK actuator solutions can meet these challenges.

Concentrated Solar Power (CSP)

Concentrated Solar Power is based on concentrating sunlight onto a small surface which is then heated. The heat is converted to energy through either a sterling engine or a fluid that is heated and used for power generation. Precise movement is essential for this installation to work effectively.

CSP can be obtained through different solar power systems such as a solar tower with heliostats, a parabolic through and a Fresnel collector.

Central Reciever
Central Reciever.
Movement challenges:
  • High precision
  • Minimum endplay
  • High resolution feed-back
LINAK actuator solutions can meet these challenges.
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