Solar PV Panels with Tracking Device

Output of a solar PV panel system is at its best when the panels are facing the sun. Solar PV tracking devices increase the time that the PV panels directly face the sun. This substantially increases output.

Tracking devices can increase performance by 15 to 40% when compared to a fixed panel system. The increase in output is one of the benefits of installing a PV tracker. Additional benefits can include:

Image- A PV panel tracker makes a statement about your renewable energy commitments to customers and staff. A tracking device situated on a roof, carpark, grounds or gardens makes an instant impression.
Cost- a fully installed PV tracking device costs approx £35 - £50K. About the same as an executive car, whilst the car depreciates the PV Tracker is saving you money.
Space- PV trackers do not take up much space with 3.5m from the ground to the underside the space below can be used.
Planning permission- A tracking device is easier to get approval for than a wind turbine, it is not as tall and has no noise issues.
A tracking device can be well received by a local authority who are keen to promote renewable energy but who are less enthusiastic to encourage planning applications for wind turbines or other sometimes contentious alternative energy technologies.

The PV tracker is available as a 12, 18, 20, 40 and 80m² uniaxial or biaxial platform with monocrystalline or polycrystalline panels.

In additional to the tracking device, solar panels and inverter we also carry out the mechanical and electrical works including a ground survey for the foundations.

As guide to what can be expected in energy terms, a 40m² tracker has a peak power rating of approx 5 - 6kW dependent on the PV modules used.
The technical specification for a 40m² PV Tracker is detailed below
For further information please contact info@altergen.co.uk

Technical specification
TRACKER DEVICE
Type Biaxial/dual axis
Maximum module surface 42 m²
Minimum module surface 33 m²
Minimum ground clearance 0.59 m
Mast height 3.5 m
Mast diameter 406 mm
Wind load DIN 1055-4 wind zone 4 = 30.0 m/s
Snow load Average
Shut-down (high wind) 11.11 m/s
Slope of ground 0 to 5 %
Soil pressure average 150 kN/m²
Module weight max. 14 kg/m²
Assembly system max. 2.5 kg/m²

PV MODULES
The following predicted outputs and CO2 figures for a 40m² tracker are based on the UK and uses Birmingham as a reference point. They do not assume any shading effect.

MODULE A
Type High efficiency monocrystalline
Rated Peak Power 5.88kW
Number of modules 28
Predicted outputs (in the UK) 5656kWh
CO2 offset in kg/p.a 2432.08

MODULE B
Type Polycrystalline
Rated Peak Power 5.28kW
Number of modules 24
Predicted outputs (in the UK) 4874kWh
CO2 offset in kg/p.a 2095.82

MODULE C
Type Polycrystalline
Rated Peak Power 5.04kW
Number of modules 24
Predicted outputs (in the UK) 4727kWh
CO2 offset in kg/p.a 2032.61
FOUNDATION
Type Concrete pads, piers or screwpile

CONTROL SYSTEM
Type Microprocessor based
Communications Ethernet/Internet

SYSTEM CONTROL
All systems have a wind sensor to track the modules in a horizontal position if the wind speed is higher than 40km/h. The modules will remain in this position, overriding any other settings, until the wind speed has fallen under this.
In case of a cable break at the wind sensor the modules will be tracked to a horizontal position.
The PV tracker solution is also available on a 12, 18, 20, and 80m² uniaxial or biaxial platform with monocrystalline or polycrystalline panels. In additional to the tracker, panels and inverter we also carry out the complete mechanical and electrical installation including a ground survey for the foundations.

DESIGN LIFE
20 Years rust proof guarantee.
SCHEDULED MAINTENANCE
Annual or after severe events.

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