Solar Trackers for Commercial PV ProjectsSupply Solutions for Single-axis and Dual-axis Solar Tracking Systems
Enhancing Efficiency in Commercial and Utility-scale PV Projects
Solar trackers are an important tool for maximizing electricity production in Solar PV systems. By optimizing the orientation of solar panels throughout the day, they help narrow the angle of incidence, which in turn enables more energy to be captured. Typically used for ground-mounted solar arrays, solar tracking systems have become a mainstay in the increasingly competitive utility-scale and commercial/industrial segments of the global solar market. Generally speaking, a solar panel system with single-axis solar tracking installed will see a performance gain of 25% to 35%. Dual-axis solar trackers can add an additional 5% to 10%.
Single-axis Trackers: HSAT, HTSAT, VSAT and TSAT
Single-axis trackers move panels along a single axis of movement and are most commonly aligned along a true North meridian. Several implementations of single-axis trackers exist. The most common among these are:
- Horizontal single-axis trackers (HSAT)
- Horizontal single-axis trackers with tilted modules (HTSAT)
- Vertical single-axis trackers (VSAT)
- Tilted single-axis trackers (TSAT)
- Polar-aligned single axis trackers (PSAT)
Dual-axis Solar Trackers
Dual-axis solar trackers have two degrees of freedom that act as axes of rotation: The fixed (primary) axis and the reference (secondary) axis. Dual-axis solar tracking systems are designed to maximize solar energy collection throughout the year, tracking seasonal variations in the height of the sun in addition to normal daily motion.
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