Energy Sector

Drives for wind and hydropower systems

Since resources are getting scarce, gaining renewable energies has become one of the greatest challenges of our time. Baumüller provides efficient solutions for wind and hydropower systems up to a medium output range.

Innovative solutions for hydropower

The area of hydropower often shows strong fluctuations in terms of its effectiveness. The reason are the inherently strong variations in the water flow while the rotational speed of the turbines stay rigid. This means that systems with conventional generators often can’t run in their optimal range of efficiency, since their rotational speed is adjusted to the turbine’s best operating point for the nominal water flow.

Baumüller solves this problem by using direct drives with converters that are independent of the rotational speed, offering highly economic designs for small hydropower systems up to 300kW. Our high-pole, high-torque synchronous generators have extremely high degrees of efficiency even in partial load operations. Modern controls and the converter technology ensure the generator’s optimal adjustment in terms of rotational speed and load to the turbine characteristics and available water quantity.

 
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DSHT-650The wind power generator DSHT-650 from Baumüller impresses with its high efficiency and compact design

Efficient power generation with wind power

For wind energy systems up to 200kW, we also offer generators that are adjusted specifically for variable operational loads. Permanent magnet torque generators enable the highest possible efficiency across the entire operating range. Thanks to the low rotational speed, the noise emissions are also reduced.

Maximum energy yield for wind power generator

Baumüller has developed a wind power generator specifically for small wind turbines, which impresses with its high level of efficiency and an innovative cooling concept.
The wind power generator DSHT-650 is mounted directly behind the rotor blades of the wind turbine. As a result, there is no need for a gearbox and the maintenance effort can be kept as low as possible.

Data & facts about the DSHT-650

  • 80 pole motor concept
  • Diameter: 1300mm
  • Overall length: 330 mm
  • High efficiency
  • Fanless cooling with cooling fins Reduced life cycle costs through reduced maintenance

The 80-pin motor concept of the DSHT-650 enables a high torque and smooth running with almost no cogging torque despite low speeds. With the high efficiency, the DSHT scores with a high yield and low heat generation. Baumüller was therefore able to do without a separate fan; the generator is cooled exclusively by the wind flow using special cooling fins across the rotor. The very high efficiency of the system enables a maximum energy yield. In addition, a special coating was used to ensure high corrosion protection and high weather resistance.

New design for efficient energy production

WindkraftgeneratorBaumüller and Solutions 4 Energy are jointly developing small wind turbines with efficient generators
The innovative generator design from Baumüller and the know-how of the wind energy specialists  from Solutions 4 Energy resulted in an efficient small wind turbine, which meets the most stringent requirements for safety, reliability and efficiency.

Learn more >> here about our customer project.

References:

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