Verification of maintenance position for rotor lock cylinders and blade pitch cylinders

Reliable confirmation of rotor lock and pitch cylinder status

The solution

During maintenance procedures, for personnel and equipment safety, the wind turbine shaft must remain at a standstill with the rotor blades feathered out of the wind. Balluff's hydraulic pressure-rated inductive sensors report the extended/retracted end-of-stroke position of rotor locking cylinders and pitch control cylinders.

The features

  • Pressure rated to 500 bar
  • Installed directly into the pressurized areas of hydraulic cylinders to monitor piston position
  • Stainless steel housings resist corrosion
  • Analog version for soft stop upon reaching end-of-stroke
Energy, wind power, pitch adjustment of the blades of wind turbines
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