A Solar Track Slew Drive is an all-in-one integrated gearbox system designed to handle both axial and radial loads while providing high rotational torque. In the solar energy industry, it acts as the "joint" that enables solar panels or mirrors to rotate and follow the sun’s path throughout the day, maximizing energy absorption and system efficiency.
A Solar Track Slew Drive is an all-in-one integrated gearbox system designed to handle both axial and radial loads while providing high rotational torque. In the solar energy industry, it acts as the "joint" that enables solar panels or mirrors to rotate and follow the sun’s path throughout the day, maximizing energy absorption and system efficiency.
Features of Solar Track Slew Drive
High Torque Density: Designed to move heavy solar arrays with precision.
Durability and Weather Resistance: Usually rated IP65 or IP66 to withstand harsh outdoor environments, including sand, rain, and extreme temperatures.
Self-Locking Mechanism: Features a worm gear design that prevents the solar tracker from being moved by strong wind loads without requiring additional braking systems.
Compact Design: Integrates the gearbox, bearings, and housing into a single unit to save space and simplify installation.
Types of Solar Track Slew Drive
Single-Axis Slew Drives: Used for horizontal trackers that follow the sun from East to West.
Dual-Axis Slew Drives: Capable of rotating on both horizontal and vertical axes, allowing for more precise tracking of the sun's elevation and azimuth.
Vertical Slew Drives: Specifically designed for systems where the mounting orientation is vertical.
Enclosed vs. Open Housing: Enclosed models offer better protection against debris, while open models are often used for easier maintenance in clean environments.
How does Solar Track Slew Drive Work?
The system typically uses worm gear technology. An electric motor (AC or DC) turns a worm screw, which in turn rotates a large ring gear. This mechanism provides a significant gear reduction, allowing a small motor to move massive solar structures with extreme precision. The perpendicular orientation of the worm and gear also provides the "self-locking" feature mentioned above.
Applications of Solar Track Slew Drive
Photovoltaic (PV) Solar Tracking: Moving standard solar panels to follow the sun.
Concentrated Solar Power (CSP): Used in parabolic troughs and heliostats to focus sunlight onto a receiver.
Concentrated Photovoltaics (CPV): High-precision tracking for lens-based solar systems.
Other Industries: Also used in small wind turbines, man lifts, and satellite dishes.
Price of Solar Track Slew Drive
The price varies significantly based on the size (typically ranging from 3 to 25 inches), torque capacity, and order volume. Small units for residential trackers may start around $150 - $300, while heavy-duty industrial-grade drives can range from $500 to over $1,500 per unit.
Supplier of Solar Track Slew Drive
Zenith Drive is a prominent Manufacturer in the solar tracking market, focusing on high-performance slew drives and transmission solutions. They are recognized for their commitment to engineering precision, offering products that balance cost-efficiency with long-term reliability in the field.
