The DEGERtracker D60H, D80, and D100 are solar tracking systems designed to maximize energy yield from photovoltaic modules. These systems are patented and feature a unique MLD-control (Maximum Light Detection) system that continuously tracks the point of highest light intensity, resulting in a significant increase in yield compared to fixed installations.
Function Description
The core function of the DEGERtracker is to orient photovoltaic modules towards the sun's most intense light throughout the day. This is achieved through an intelligent MLD-control system that uses sensors to detect the point of highest light intensity and adjusts the module's position accordingly. The system is designed for both private and commercial applications, suitable for outdoor installation and building integration.
The DEGERtracker consists of several key components:
- Base Frame: Provides the foundational support for the entire tracking system.
- Mast: The central vertical support structure upon which the rotating head and modules are mounted.
- Rotating Head: Allows for azimuth (East-West) movement of the solar modules.
- Elevation Drive (EMO): Controls the inclination angle of the solar modules, enabling adjustment for seasonal changes and optimal sun tracking.
- MLD-Control System: The brain of the tracker, responsible for detecting the point of maximum light and sending commands to the drives for optimal positioning. It includes sensors for wind, snow, and sunlight.
- Energy Converter (EC-6): Manages the power supply to the drives and other control components.
- Photovoltaic Modules: The solar panels themselves, which are mounted onto the tracker's frame.
The MLD-control system ensures that the modules are always facing the sun directly, even on cloudy days, by continuously searching for the brightest spot in the sky. This dynamic tracking capability differentiates it from simpler single-axis or fixed-tilt systems. In the event of high winds or heavy snow, the system is programmed to move the modules into a safe, horizontal position to prevent damage.
Important Technical Specifications
The DEGERtracker series offers different models (D60H, D80, D100) with varying capacities and dimensions:
Nominal Output (depending on module type):
- D60H: 4,000 – 7,000 Wp
- D80: 6,000 – 10,000 Wp
- D100: 8,000 – 12,000 Wp
Module Surface Up To:
- D60H: 40 m²
- D80: 53 m²
- D100: 70.6 m²
Max. Module Surface Up To (WxH):
- D60H: 8.3 m x 5.3 m
- D80: 10.05 m x 5.6 m
- D100: 11.95 m x 6 m
East-West Rotation Angle: 300°
Angle of Elevation (Horizontal): 0° – 80°
Control: DEGERenergie MLD
IP Protection Class: IP 54/CAT 2 / UL50 Type 3R
Input Voltage: 100…240 VAC /50…60 Hz
Input Rated Current: 0.3 A
Output Voltage: 24VDC
Max. Continuous Output Current: 2.5A
Power Nominal Control Mode: 1 Watt
Power Consumption (Control Drive):
- D60H: 24V / 0.4A / 10 Watt
- D80: 24V / 0.6A / 15 Watt
- D100: 24V / 0.7A / 18 Watt
Internal Consumption Per Year (approx.):
- D60H: 12 kWh
- D80: 14 kWh
- D100: 16 kWh
Drive AZ: Gear in drive head
Rotating Speed AZ: 3°/min
Drive EL: 800 mm lift
Rotating Speed EL: 13°/min
Sound Level: Less than 70 dB(A)
Materials: Stainless steel, aluminum, steel, plastic
Length of Mast Tube:
- D60H: 3.40 m – 8.0 m
- D80: 3.40 m – 8.0 m
- D100: 4.0 m – 8.0 m
Weight (without mast/aluminum):
- D60H: 890 kg
- D80: 930 kg
- D100: 970 kg
Climatic Conditions (according to DIN EN 50178:1998-04):
- Installation above sea level: max. 2,000 m
- Permissible ambient temperature: -20 °C to +50 °C
- Extended humidity range: 0 to 95 %
- Extended air pressure range: 70 kPa to 106 kPa
- Snow load DEGERtracker D80 and D100: max. 35 kg/m²
- Snow load DEGERtracker D60H: max. 10 kg/m²
- Dynamic wind pressure: 0.5 to 1.35 kN/m² depending on terrain topography, mast length, module configuration and wind zone.
The horizontal safe position (table position) can have a tolerance of ±5°.
Usage Features
The DEGERtracker is designed for ease of assembly and operation, though professional installation is required.
- Optimal Energy Yield: The primary feature is the MLD-control system, which ensures maximum energy production by continuously aligning the modules with the sun. This leads to significantly higher yields compared to fixed installations.
- Automated Operation: Once installed and commissioned, the system operates autonomously, tracking the sun without manual intervention.
- Safety Features: Integrated wind and snow sensors automatically move the modules to a safe, horizontal position during extreme weather conditions to prevent damage. The system also includes safety protocols for electrical components and mechanical movements.
- Remote Monitoring: The MLD-control system can be integrated with monitoring solutions, allowing users to track performance and status remotely.
- Scalability: The different models (D60H, D80, D100) cater to various project sizes, from smaller installations to larger commercial applications.
- Robust Construction: Built with stainless steel, aluminum, and high-quality plastics, the DEGERtracker is designed for durability and long-term outdoor use in diverse climatic conditions.
- Easy Assembly: The manual provides detailed instructions for assembly, emphasizing safety procedures and the use of appropriate lifting gear. Components are designed for straightforward integration.
- Flexible Module Integration: The system is compatible with various photovoltaic modules, offering flexibility in module selection.
- Grounding System: A comprehensive grounding system is integrated to ensure electrical safety.
Maintenance Features
Regular maintenance is crucial for the longevity and optimal performance of the DEGERtracker.
- Cleaning: Under normal environmental conditions, no cleaning is required. However, if necessary, only soft cloths and non-caustic cleaning fluids should be used. Sharp-edged tools are to be avoided.
- Inspection: Annual inspections are recommended, including checking all bolts for secure fit, verifying the operation of the system and its security features, inspecting bolts for corrosion, and checking all components for damage or deformation.
- Lubrication: Every two years, the gearbox through the internal and external grease nipples should be lubricated. Only the lubricant specified by DEGER should be used.
- Elevation Drive Maintenance: The elevation drive and central bolt on the rotating head must not be greased.
- Spare Parts Availability: DEGERenergie maintains a catalogue of spare parts, which are available for download from their website.
- Troubleshooting Guide: The manual includes a detailed troubleshooting plan to diagnose and resolve common issues, such as problems with the LED monitor, sensor readings, and motor movements.
- Professional Service: DEGERtrackers are designed for lifetimes in excess of 25 years, but only minor service and repair work should be performed by the user. For extensive repairs or long-lasting operation, it is recommended to follow the performance work in regular intervals by qualified professionals.
- Documentation: The manual provides comprehensive documentation, including connection diagrams, assembly instructions, and safety notes, to assist with maintenance and repair.
- Warranty and Liability: The product comes with a 2-year warranty for any defects, with specific conditions regarding proper assembly, maintenance, and use of original DEGER components.
- Disassembly and Waste Disposal: Instructions are provided for safe disassembly and proper disposal of components, emphasizing that these tasks should be performed by qualified professionals. Parts can be recycled or disposed of according to national and local regulations.
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