Single Axis Solar Tracking System
Application: Utility-Scale & Large Commercial Solar Plants
Drive System: Slew Drive / Multi-Point Linear Actuator
Warranty: 10-Year Mechanical, 5-Year Controller & Drive System
Unlock the full potential of your solar assets with Promisteel's advanced Single-Axis Solar Tracking System. Designed for utility-scale and large commercial solar projects, our solar tracker intelligently follows the sun's path from east to west, significantly boosting energy yield by 15-25% compared to traditional fixed-tilt systems. This substantial increase in power generation directly lowers your project's Levelized Cost of Energy (LCOE), accelerating profitability and maximizing asset value.
Our PV tracking system is the culmination of robust mechanical engineering and intelligent control. We combine high-strength steel structures, featuring our signature ZAM coating for superior longevity, with precision drive mechanisms and a smart backtracking algorithm. This ensures maximum energy production without inter-row shading, while our automated wind stow strategy protects your investment in the most extreme weather conditions. Partner with a leading solar tracker manufacturer to build a smarter, more productive solar power plant.
Such tracking systems typically consist of the following components:
- Bracket structure: A bracket structure is used to support and position solar panels, which can be fixed on the ground or installed on a building.
- Tracker: Use sensors and controllers to track the movement of the sun and automatically adjust the angle of the panels according to changes in the sun's position.
- Single-axis drive system: realize the rotation and tilt of the battery panel through an electric device or hydraulic device.
- Solar Panels: Photovoltaic panels mounted on tracking systems to convert solar energy into electricity.
Intelligent Design for Maximum Yield & Reliability
| Feature | Engineering Advantage & Benefit |
| Intelligent Tracking Algorithm | Our controller utilizes a precise astronomical algorithm combined with a backtracking function. This maximizes energy capture while preventing panel-on-panel shadowing during early morning and late afternoon, boosting overall yield. |
| Advanced Wind Stow Strategy | The system automatically moves to a safe, flat (or optimal) stow position when high wind speeds are detected. This intelligent defense mechanism minimizes wind load on the structure, ensuring the safety and long-term reliability of your entire solar plant. |
| Robust & Precise Drive System | Choose between a powerful central Slew Drive or a distributed Multi-Point Drive system. Both options provide smooth, precise tracking with minimal backlash and are designed for low maintenance over the project's lifetime. |
| Self-Powered Option | The system can be configured to be self-powered, using a small dedicated solar panel and battery to power the controller and motors. This eliminates the need for extensive AC cabling, reducing trenching costs and simplifying site layout. |
Technical Specifications
| Parameter | Specification |
| Tracking Type | Horizontal Single-Axis Tracker (HSAT) |
| Tracking Range | ±45° / ±52° / ±60° (Customizable) |
| Drive Mechanism | Slew Drive or Multi-point Linear Actuator |
| Control System | MCU-based with Astronomical Algorithm & Backtracking |
| Material | High-Strength Steel (Q235, Q355) with ZAM or HDG Coating |
| Wind Stow Trigger | Programmable, typically 18-22 m/s (40-50 mph) |
| Power Supply | Self-powered DC or Grid-powered AC |
| Foundation Type | Rammed Pile (C/H-pile), Ground Screw, Concrete Base |
| Design Standard | Conforms to local codes and international standards for wind loading |
| Module Compatibility | Compatible with all mainstream framed, bifacial, and large-format modules |
advantages
The advantages of single-axis photovoltaic solar tracking systems include:
- Increase energy output: By tracking the sun's trajectory, the solar panel can always be kept perpendicular to the light, absorbing solar energy to the greatest extent and increasing energy output.
- Time utilization efficiency: The tracking system can make the solar panels receive the maximum solar radiation at different times of the day, thus prolonging the power generation time.
- Increased system efficiency: Tracking systems can improve power generation efficiency and reduce cost per unit of power generation compared to fixed-install solar systems.
- Single-axis photovoltaic solar tracking systems are widely used in large-scale solar power plants, commercial and industrial uses, and application scenarios that require high-efficiency energy output.
Features
1. Able to adapt to a maximum slope of 15% from north to south
2. Compatible with mainstream components in the market: single-sided and double-sided
3. Double vertical row independent tracking design: the number of columns is greatly reduced, and the construction cost is lowered
4. A tracking system is equipped with a set of controllers, which can implement point-to-point monitoring, find fault points in time, and reduce power generation loss

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