String Powered Tracker Control System Motor Overload Protection
Working principle:
Tracker control system is mainly applied to large-scale solar power plant at low latitude areas. One motor and control system make the whole solar module array track automatically. The unique linkage structure and slew bearing ensure the stability of the whole system, low failure rate and maintenance cost. It is a good choice for large-scale solar power plant with roughly 25% power generation, comparing to fixed type.
Technical Parameters of String Powered Tracker Control System Motor Overload Protection
| Technical parameters |
| Tracking Range | 士 60° |
| Driving System | Slew drive, 28VDC motor |
| Ground Coverage Ratio | ≥ 25% |
| Foundation Options | All foundation types |
| Terrain Adaption | Up to 20% N-S slope |
| Structure Material | Hot dip galvanized steel |
| Power Consumption | 0.2-0.5kWh/day |
| Power Supply Mode | Powered by PV strings, back-up lithium battery |
| Standard Design Wind Speed | 18m/s |
| Control Algorithm | Astronomical algorithms + Tilt sensor close loop |
| Tracking Accuracy | ≤ 1° |
| String-Powered | Yes |
| Backtracking | Yes |
| Communication Options | LoRa wireless /RS 485 cable |
| Night Position | Yes |
Functions:
1. Single row independent drive unit, no connection between row and row, to ensure convenient traffic between square array;
2. Slew drive design, with high transfer efficiency and good environmental adaptability, the drive unit can be maintained free for 25 years;
3. Adopt the form of self-power supply, without external power supply;
4. Independently developed MCU microcomputer control system;
5. Intelligent battery management system (BMS) and automatic alarm functions can ensure the system's long-term reliable operation.
Advantage:
1. Automatic Tracking without Manual Debugging
With good environmental adaptability, no affection by extreme weather; Wide Range of tracking angle improves the power output.
2. Equipped with GPS to Ensure the Accuracy of Time
High weather resistance contributes to safe and stable operation between -40℃-70℃, excellent electromagnetic compatibility design makes the system stable and reliable.
3. Remote Communication, Group Control for Multi-Equipment
Automatically identify the failure, with automatic self-protection and alarm；Quadruple over-current protection ensures the safety of the whole system.
4. Customized System Configuration Available
It can be designed according to customer’s specific requirement.
5. Less quantity of posts.
Cleaning equipment can easily enter to clean solar panels without any obstacle and risk.
About us:
Good Future Solar is a fast growing solar company headquartered in China, specializes in solar tracking systems, we design and manufacture high quality trackers at a competitive cost. We also provide a wide range of services, adapted to each project’s requirements. Our products have a reputation for reliability, cost competitiveness and advanced technology.
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Timing Ground Mount Solar Tracking System 28VDC Motor Driving Images
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