Observing the world of renewable energy and sustainable living

Siemens B75

Eine Form aus zwei Teilen / One mold in two parts[source]

  • The B75 rotor blade, which measures 75 meters in length, is the world’s largest fiberglass component cast in one piece.
  • The rotor blade is manufactured from glass fiber-reinforced epoxy resin and balsa wood using the patented integral blade process. It has no seams or glued joints and no adhesive, all of which saves weight.
  • Compared with the Siemens 3.6-120 turbine, which is the current best-seller in the offshore wind market, the Siemens 6.0-154 turbine needs 40% less foundations. Since the foundation cost does not increase proportionally with turbine rating, this leads to significant infrastructure savings.
  • One SWT-6.0-154 wind turbine can generate about 23 million kWh annually at a typical offshore site having 8.5 m/s mean wind speed.
  • When the 154 meter rotor is operated at a wind speed of 10 meters per second, it captures the energy from 200 metric tons of air every second.
  • The Siemens B75 blade weighs about 25 tons– this is equivalent to the weight of four bull elephants.
  • [] – Siemens builds 75-metre-long rotor blade from a single mould
    [] – rotor blade fact sheet

    Alles muss einwandfrei sein / Everything must be perfect




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