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Rotor Locks

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Rotor locks are used in the wind turbine industry and are typically mounted to the turbine´s main rotor shaft, between gearbox and generator. A rotor brake is primarily intended for use as safety brake during emergency stops under high wind conditions. Svendborg Brakes rotor lock units hold a global market leading position. The rotor lock is activated by running the lock bolt into the lock disc using hydraulic power; a "locked" signal is then transmitted to the control system. The units are engineered to handle the large output torque generated by the high ratios found in wind turbine gearboxes.

Svendborg Brakes operates with three types of Rotor Lock solutions

LSM – Manual driven rotor lock
LSA – Hydraulic driven rotor lock
LSL – Electrical driven rotor lock


Safety features

Fastening bolt with dedicated holes for padlocks
Position Indicator Switch for assurance engaged/disengaged position

Key Benefits For Wind Turbines

Compliance with safety regulation (e.g. requirement for form-fit locking)
Suitable for extreme wind load situations
Reliable and proven design on thousands of turbines
Monitoring capabilities by visual and/or electrical sensors
Hydraulic or Mechanical activation
Fully automated rotor lock engagement available
Best in class corrosion protection
Full engineering support from first samples to serial deliveries

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