Braun - Model Antaris - 7.5 kW -Small Wind Turbine

generator

• Permanent magnet rotor, brushless, gearless, maintenance-free
• high efficiency due to extremely strong permanent magnets (NdFeBo permanent magnets, temperature resistant up to 150°)
• special ball bearings for the safe absorption of radial and axial forces
• 3-phase alternating current
• Separate rectifier
• direction of rotation arbitrary
• Voltage 0-1000 VDC
• Feed-in starts at approx. 75 rpm
• Power: 7,500 watts at 330 rpm and 400 VDC
• evenly rising performance curve
• Weight: 87 kg
• aluminum housing, surface cooling, foot mounting
• protection class IP56

rotor

• hub connection with aluminum flange and pressure plate
• stainless steel screw connections with lock nuts
• 3 rotor blades made of glass fiber / carbon fiber laminate
• Computer-aided aerodynamic profile, hand-laminated
• Noise minimization through optimal blade design
• approx. 5.30 m diameter (optional 4.40 m > 6.5 m/s average wind speed)
• Single sheet weight: approx. 9.2 kg
• dynamically and statically balanced
• direction of rotation front "right"
• Max. speed 300 rpm.
• GFK spinner cap
• rotor color according to customer requirements

load-bearing element

• Wind vane (weather-resistant HDPE "natural white", slightly transparent)
• Square steel tube high-temperature galvanized as a load-bearing element
• all screw connections made of stainless steel and fitted with lock nuts
• Steel bracket as supporting element for generator, intended as a plug connection with azimuth plain bearing, completely galvanized
• patented helicopter safety device
• Mast adapter with flange connection (tube 139mm)

storm protection

• helicopter position
• Voltage monitoring with 12.0 kW braking resistor
• generator short circuit

control cabinet

• 3-phase monitoring of generator and grid
• 3-phase parallel grid operation with FIMER / TRIO 7.5 kW
• control electronics for turbine control
• reverse polarity protected connections / plug connections
• Monitoring of generator phases in turbine operation
• emergency stop switch
• reset switch with key (removable)
• rectifier, display, ...
• 6.5 kW braking resistor