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  5. Mechatron - Model D30 - Dual Axis ...

Mechatron - Model D30 -Dual Axis Tracker

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The D30 is an azimuth-altitude dual axis solar tracker. It uses a GEARLESS hydraulic drive for movement and presents superior stiffness and strength. The D30 can increase the energy yield of a given plant up to 45%, when compared to fixed Photovoltaic(s)".">PV installations of the same installed power. The D30 is designed to meet market requirements in the post-feed-in-tariff era.

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INSPIRATION
The structure’s design principle is inspired by the beetle’s exoskeleton, which exhibits superior strength to weight ratio. The structure is a combination of an elliptical tube design and a simple lattice structure that holds the panels.

STRENGTH
The elliptical tube, provides significantly superior stiffness and strength compared to the conventional frame designs of other tracker manufacturers.

The lattice structure, that supports the Photovoltaic(s)".">PV modules, is designed to lower the assembly time in the field, while providing high structural rigidity that protects the Photovoltaic(s)".">PV modules from forces that occur on the underframe under extreme external loads (wind, snow etc).

GEAR-LESS DRIVE
The zero-backlash hydraulic drive does not use gears or other means of mechanical transmission.

The purely hydraulic drive allows for smooth movement and operation. Also, due to the continuous slip capability under strong winds, the drive mechanism is extremely robust and capable of surviving even hurricane conditions.

OPERATION
REMOTE CONTROL AND MONITORING
The D30 is equipped with an advanced telemetry system which informs you of the machinery operations in real time.

EXTRAORDINARY PERFORMANCE
The D30 uses an astronomical algorithm to find the position of the sun. This contributes to maximum solar radiation intake even when it’s cloudy and also helps the tracker to avoid unnecessary movements.

This results in an overall better tracking quality and up to 45% greater energy production, ensuring greater benefit per unit of installed capacity in comparison to fixed systems.

EASY INSTALLATION
The installation of the D30 is quick and easy with the highest degree of standardization (plug & play).

All work takes place in the field without need of experts. The Photovoltaic(s)".">PV modules are easily fixed on the tracker by using the Photovoltaic(s)".">PV-CLAMP, which has been designed exclusively by Mechatron for that exact purpose.

MAIN FEATURES
  • Type: Azimuth-altitude dual axis tracker
  • Motion Range: -270° to +270° azimuth, -1,5° to 60° altitude
MONITORING & CONTROL
  • Remote monitoring:
    • Full, in real time through a web interface
    • Email reporting
  • Remote control: Full, in real time through a web interface
  • Controller type: Autonomous (each tracker has its own conrol unit)
  • Tracking method: Open loop astronomical algorithm
  • Tracking accuracy: 2°
  • Sensor system: 3D inclinometer & magnetic compass
  • Backtracking ability: Yes
  • Weather station: Wind speed sensor
ENVIRONMENTAL CONDITIONS
  • Maximum wind speed during tracking:
    • 60 km/h, 3 s gust
  • Maximum allowable wind speed in stow:
    • 104 km/h, cₒ=1,2 within 1 km from sea
    • 140 km/h, flat terrain, open country
  • Temperatures:
    • Operational: -20 °C to +70 °C
    • Survival: -40 °C to +85 °C
CONSTRUCTION
  • Designed to meet all the requirements of Eurocode 3
  • Hot-dip galvanized steel elements
MOVEMENT MECHANISM
  • Type: Hydraulic
  • Maintenance: annual inspection and greasing, oil and filter change once every 3 years
  • Protection: Hydraulic parts sealed from the environment. Able to operate in desert and in any combination of dust and moisture
  • Power consumption: 80 kWh per year
  • Inherent overload protection: Gearless actuation
  • Backlash: 0 (zero backlash)
FOUNDATION
  • Concrete pile
  • Overground concrete gravitational base (ballast)
  • Underground concrete gravitational base (ballast)
PAYLOAD
  • Maximum mass supported: 5350 kg
  • Configuration: A rectangular shape frame with an available surface of 170 m² (17 m × 10 m) that can bear any type of PV modules without the use of third party mounting hardware
  • PV modules per tracker: up to 30 kWp (estimated based on current PV modules technology)