source: MOVENTAS

CS2 Novel gear design concept

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GBX is an essential part of the turbine’s drivetrain converting torque and speed to be better suitable for generator.

GBX is an essential part of the turbine’s drivetrain converting torque and speed to be better suitable for generator.

  • Novel gear materials that will allow higher load carrying capacity for the geared components.
  • Novel hydrodynamic plain bearings in selected positions.

These two new technologies are the enablers to increase the load carrying capacity with less material spend (torque density Nm/kg) compared to current designs targeting the level of 200Nm/kg.

  • Third key factor is to build up a virtual prototype and hybrid testing method, which will bring significant advantages to design and verification process.
source: SIEMENS

Wind turbine gearboxes are mostly using roller element bearings nowadays.

Hydrodynamic journal plain bearing (HBP) solutions have been used in the latest high torque density designs.