Solar Track Systems
What's Solar Track System?
Solar tracker is the support structure of a PV modules array which follows the sun's pathway during the day.
As a result of the movement, the PV modules face the sun directly the whole day improving their power efficiency, thus produce much more electricity when compared to the fix mounted PV systems.
Benefits from Solar Trackers
The power output of a PV module depends on the amount of light falling on the panel. By moving the PV modules so they are always facing the sun, the power output is maximized. The increase in power provided by tracking will depend upon geographic location, season and weather.
Other benefits of a tracked array over a fixed mount include providing power early in the morning (when the batteries of your autonomous system are at their lowest), late in the afternoon and whenever the sun peeks through the clouds on those low power producing days. By tracking the sun and capturing all the power accessible, whenever it's available, at any time of the day, your PV system can maximize its performance fully exploiting your investment in solar power.
Our solar trackers are available in two main categories of models (Single-Pole and Multi-Pole systems) with many variations in size for different applications (residential or commercial functions), our arrays arrangement of single pole varies from 2 modules (each module app. 160 watts) to 24 modules (with each module more than 300 watts) a single-axis tracker with a linear actuator drive; our multiple pole arrays can accommodate from Twenty-Four to Ninety-Six Modules, it's also a single-axis, with gear driving linear trackers (these trackers can be linked in a four-frame, continuous string for large scale applications. Total capacity is about 10 kW per tracker.
Your selection of a tracker depends on your application, specific PV module and PV array size. Our tracker frames are precisely engineered for strength, are fabricated from steel and structural aluminum and disassemble for ease in shipping and installation. Our dealers can help you choose the appropriate tracker for your needs.
Please email us regarding your application and current pricing.
The way to track the Sun
Our Solar Trackers utilize a patented, closed loop, optical sensing system to sense the sun's position and track it. The sun sensors, mounted on the controller chassis, feed information to the control electronics about the direct component of sunlight available, the diffuse amount of sunlight, the total amount of sunlight as well as the differential amount of sunlight on opposing sensors. Based on this information, the controller seeks to equalize the sunlight received by opposing sensors for each axis.
The controller circuitry automatically adjusts the tracker sensitivity accordingly. It increases the sensitivity with increased direct sunlight; and decreases the sensitivity with scattered or diffused light as in cloudy conditions. This enables the tracker to eliminate undue hunting in cloudy or overcast conditions when the sunlight is scattered.
It also makes adjustments according to the total amount of light received by the sensors. Since it knows how much light is available, it enables the controller to sense sunset, and return to sunrise position in the evening if connected to a power source at night. When powered directly from the PV modules, it will return to sunrise, at first morning light through the use of its energy integration circuitry which enables the tracker to move with as little as 20ma of available current.
This circuitry eliminates the need for any maintenance points such as batteries in the system. On dual axis models, the controller prioritizes movement of the Azimuth or East / West axis. It will first adjust the E/W axis to be on track, and then adjust the Elevation axis to position.
Features
- 180+ Degrees E/W Tracking Range
- 75 Degrees Elevation Tilt Range
- Dual Axis Manual Adjustment Available
- Aluminum Frames
- Early Morning or Sunset East Return
- Most Ship up's
- Accurate to Within 1/2 Degree
- Not Affected by Wind
- Not Affected by Cold
Everlight’s Solar Tracker Models: