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Typical Dual Tracker Installations

Precast Tracker BaseDual Deger 5000

The above illustrates a typical two Deger 5000HD tracker system.

In these installations, we dig down to where the soil is stable and untilled for some time - usually about 12-18in down. We then fill the hole with clear stone to level with the ground to allow for drainage and prevent heaving.

The mast for the tracker is set to be true vertical and about 4in from the bottom to seal the mast from the ground. Not shown is that we have conduit or Big O come up from the bottom into the mast for power and control lines.

With dual trackers, they must be positioned such that one does not cast a shadow on the other. This means a seperation of about 23m if they are east-west of each other or 17m if they are north south to each other.

Deger trackers are sensor based to orient themselves toward the brightest light source. When there is snow on the ground or there is reflected light from water, they will orient to capture both direct and reflected light. If the sky is overcast, they will seek the brightest spot in the sky or simply "table top" to capture maximum ambient light.

All Deger trackers come with a wind sensor such that if the wind speed exceeds a set level, the panel array will be set to tabletop to minimize their profile to the wind and potential for damage. We also equip all of our tracker installations with a snow sensor which puts the panel array to near vertical to dump any snow build up.

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