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Monday, 20 April 2018 08:88

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Dual-Axis Solar Tracking Units

:: Dual Axis Tracking::

We are one of the very few businesses that offer Residential Dual-axis (two-axis image) solar tracker, that capture the full extent of the sun, depending on your location by up to 14 hours per day in Tasmania, this is done by follow the sun completely, relevant to your global location.  The increase in energy captured by duel-axis tracking is increased by up to 100% more than fixed flat panel system, as two-axes of rotation allow the tracker to position the solar cells directly perpendicular (facing directly at the sun) to the sun’s rays from dawn to dusk.

Duel  Axis Tracker Software makes it able to adjust for the sun’s height (latitude) as well east to west rotation (sunrise to sunset), the electronic tracking software fully adjust for seasons as well as adjusting to face the sun as it sits low in the horizon at sunrise and sunset, and obviously high in the sky in the middle of the day.

Dual-axis trackers are slightly more complex and hence a more expensive, however, the big pay-off is they Greatly increase the Solar power harvested buy over 50%*, they make more of a difference at greater latitudes (more southerly in Australia) where there is substantial seasonal variation in the sun’s height and arc in the sky.

Our standard DAT Kits come purposely over-engineered, each with 24v motors, east~west tracking via a Single-axis Slew Bearing, with north~south Tracking is done via a Linear Actuator (screw jack).

So, you can now choose a residential DAT Kit that holds from 1~12 x 350W or 1~9 x 500W Solar Panels !

The 4~12 Panel DAT is the same unit, they just have different size solar Racking to suit the panels fitted.

Larger commercial 48 Panel (96m2) DAT Kits may require a 3m x 3m x 1.2m Steel reinforced concrete foundation.

Our Fully Automatic DAT Kits all come with a choice of Pole mounting Height, Slew Bearing, Tilt Chassis, Linear Actuator, Panel Racking, waterproof pole mounted Sun tracking unit, and Wind speed indicator, and pole Foundation Drawings can be provided.

These DAT studies shows how several Duel-axis Tracker systems re-pay the initial investment cost from 3~8 years, depending on the system, this is done by replacing the power bill totally by self consuming the power produced, and then then the system owner will no longer have an ongoing power bill for the next 30+ years, obviously using the correct Batteries is the turn-key part of a system.

What great about a battery system: Batteries allows you to first & foremost store the power you produce, for later consumption is then drawn directly from the battery through an inverter, so basically the batteries are charged to full capacity first - then you have the choice to automatically send any excess power to either operate say your Water-heater or Air-conditioner etc. - or export it straight into the State Grid for a feed-in tariff - This simple means that at sun set you will only be using your own power for the evening and possibly to the next sun-rise, thus avoiding paying the peak retail price for power during the day and after sun set - That is how you become independent!

Performance of Fixed Flat Panels v Solar Trackers in Australia

A solar tracker increases the performance of solar PV panels in the shoulder periods of the day, where a static fixed mount panel would only receive obscured sun exposure. This can be seen in the graphs of side by side solar tracking panels & static fixed panels.

Duel Axis Trackers & Equipment

Duel Axis Movements. Duel Axis Movements. Duel Axis Slew Drive.

Duel-Axis Movements.


Residential Foundation.


Duel-Axis Slew Bearings.

Duel Axis Slew Drive.   Duel Axis Slew Drive.   Duel Axis Slew Drive.

1.4kW, 4x350W Wide DAT, with 80cm Mast.

Click here to see DAT Kit.


DAT-4 =4x 72cell set High, with 130cm Mast, +90cm Tilt beam chassis Mast.


DAT-6 x 72cell unit, with 160cm Mast.

Duel Axis Slew Drive. Duel Axis Slew Drive.   Duel Axis Slew Drive.

6x 72cell DAT, with 250cm Mast.


8x 72 cell DAT with 90cm Mast, with Slew Bearing and Linear Actuator.


12 x 72 cell Array.

Duel Axis Slew Drive.   Duel Axis Slew Drive.   Duel Axis Slew Drive.

4.5kW, 9x500W (96 cell) DAT Solar Array.


5.6kW, 16x350W Array.


10.8kW, 24x450W Array.

Duel Axis Slew Drive.   Duel Axis Slew Drive.   Duel Axis Slew Drive.

14.7kW = 42x350W Array.


14.7kW = 42x350W Array.


Car park Array.

Duel Axis Slew Drive.   Duel Axis Slew Drive.   Duel Axis Slew Drive.

Industrial 7.6cm (3") Duel-Axis

Geared Slew Bearing.

Unit weight 33kg.


Industrial 17.8cm (7") Duel-Axis Motorised Slew Bearing.


Industrial 17.8cm (7") Duel-Axis Motorised Slew Bearing.

Unit weight 50kg.

Linear Actuator   Palletised DAT Kits.   Palletised Solar Panels

Linear Actuator for Latitude Tracking.


Palletised DAT Kits.


Palletised Solar Panels.

NB: Solar Arrays without Battery storage, will provide little return on investment using the 6~11 cents/kWh Retailer feed-in tariff, as you simply remained enslaved to the State Grid & electrical Retailers, by choosing to continue paying the retail price for power after sunset!

The purpose of Solar Trackers is to generate substantially more power than a standard fixed flat panel Solar array, improving generation increases independence, and when solar & battery storage is used a Reposit Box can earn you $1.00kWh GridCredits.

Usually 3.5~10kWh is the maximum feed-in Tariff capacity limit in most states, fitting a solar tracker system without Batteries, only allows you to minimise your power bills, by usually exporting 70~80% of your daytime power into the State Grid for little return, many people simply fail to understand and miss the point of becoming Independent, buy simply generating a small income where no other means are available.

For a small 1.3kWh installation the up front cost with a tracker is higher, and the payback period is a little longer.  In reality, investing the same amount on additional solar cells would yield higher generation volume, with little financial return to the system owner without battery storage.   We only recommend purchasing a multi voltage Hybrid inverter, and 350W solar panels, don't be fooled into purchasing 220~270W solar panels, as they harvest 30% less power & more panels are required, creating a larger footprint to produce the same power.

An over size inverter will let you control your future power production and distribution, hybrid-inverters are designed to handle multiple input voltage from several power sources, such as Solar, Wind, Aqua, Battery and even Generator input, ours generators all come with built in Battery charge management, that once programmed, can automatically start or shutdown a generator as programmed.

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