BRAUN Windturbinen GmbH

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Easy handling- No cogging torque, maintenance-free!

NdFeBo permanent magnets – these are the strongest permanent magnets currently available. No cogging torque, maintenance-free!

To ensure long, maintenance-free service of the generators in the ANTARIS wind turbine, the copper winding in the stator is configured to meet insulation class H (180° C). As the repeller is attached directly on the generator shaft, BRAUN Windturbines GmbH employs special ball bearings to reliably take up the axial and radial forces that are produced.

The copper winding is fitted exclusively by hand. Despite progressive automation in other generator components (CNC production), hand-fitted windings continue to be the preferred option for good reason. This ensures that the insulating materials used undergo full inspection, meeting the stringent demands BRAUN Windturbines GmbH places on quality.

Incidentally, this also applies to setting up the magnetic field in the rotor (moving part of the generator). Here too, the magnets are fitted by hand, with polarity subsequently being checked. To ensure that the magnets do not become detached, they are glued in the grooved rotor with high-strength adhesive. The entire rotor is additionally potted in impregnating resin. In short, quality workmanship „Made in Germany“!

The generators are used as battery chargers, for grid-connected operation or for heating up heater elements (wind-powered heating). Power output ranges from 1.5 kW to 18.5 kW (30.0 kW max. for brief periods). Appropriate control systems for applications of this type are also available (see picture gallery).

If you wish to drive the generator with a diesel or similar engine (combined heat and power system), it may be possible to dispense with any gearing as a result of speed adjustment on the generator side.

Weight: 23 – 160 kg
Base anchoring
Shaft diameter: 28 / 48 / 55 mm etc.
Housing material: aluminium
Cooling: surface, fan wheel
Direction of rotation: either
Type: 10-24-pole (depending on size); protection rating: IP55
Efficiency: 90-95 %

This generator series is designed for wind and water turbine systems! Efficiency remains virtually constant throughout the speed range. The generators are of non-cogging design so that the wing energy system can start up easily at low wind speeds. They are predominantly used for feeding energy from wind energy systems into the grid and are geared to the Smart!wind and Power One Inverter (2.0 – 10.0 kW) in terms of their power output range. Rotor diameter should be 2.50 m – 7.0 m. Needless to say, we can also manufacture generators delivering higher power output levels and with a greater number of poles (for low speeds) – just ask us!

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Overview Generators

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We can also overhaul or rewind your generator for you.

Permanent-magnet generator with Windy Boy 6000 or two Windy Boys 1700 for grid-connected operation.

The non-cogging 16-pole generator is used in conjunction with low-speed water or wind turbines.

Speed range with two Windy Boys 1700

Idling speed

100 VDC at 97 rpm
160 VDC at 147 rpm
320 VDC at 299 rpm

Operating speed

224 VDC at 287 rpm and 1200 watts
350 VDC at 390 rpm and 3000 watts

Technical specifications for both designs:

  • Weight: 87 kg
  • 6-point base anchoring
  • Shaft diameter: 48 mm, Size: 160
  • special bearings and bearing shields
  • Housing material: aluminium
  • Cooling: surface, fan wheel
  • Direction of rotation: either
  • Type: 10-16 pole;
  • Efficiency: 91%
  • Protection rating: IP56
  • Magnetic field temperature-resistant up to 155°C
  • Winding isolation class F (180°C)


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