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PRODUCTS INDUSTRIES SERVICE CAREER
INDUSTRIES Wind Turbines Functional Safety

Functional safety for wind turbines

Safe drive monitoring with speed monitors and encoders.

The high system availability is especially crucial in wind turbines for the degree of efficiency and thus for an efficient production of energy. Sensors for safe drive monitoring are used to prevent damage and expensive downtime. The required safety requirements demand an optimal interplay between the safety sensors and the safety monitoring modules. Kübler offers a complete package for this purpose, consisting of certified encoders up to SIL3/PLe and small safety control systems.

High system availability and safety

  • Certified encoders up to SIL3/PLe
  • Incremental and absolute rotary encoders
  • Bearingless encoders
  • Safe speed monitors
  • Competent advice and high service quality

Functional safety for wind turbines

Safe drive monitoring with speed monitors and encoders.

The high system availability is especially crucial in wind turbines for the degree of efficiency and thus for an efficient production of energy. Sensors for safe drive monitoring are used to prevent damage and expensive downtime. The required safety requirements demand an optimal interplay between the safety sensors and the safety monitoring modules. Kübler offers a complete package for this purpose, consisting of certified encoders up to SIL3/PLe and small safety control systems.

Detection of excessive speeds with a safe overall system

The combination between speed monitor and certified encoders up to SIL3/PLe is the optimal solution for safe drive monitoring and thus for the early detection of excessive speeds. The encoder with SinCos signals, integrated in the slip ring, stands for a reliable speed detection of the rotor shaft.

Speed monitor SIL3/PLe
1 Speed monitor SIL3/PLe
  • SinCos/Incremental inputs: 2
  • Safe digital inputs and outputs
  • OLED touchscreen, removable
To the products
Incremental encoders up to SIL3/PLe
2 Incremental encoders up to SIL3/PLe
  • Sturdy design
  • Optical – precise
  • Dimension of ø 58 mm
  • SinCos interface
To the Sendix 5814FS/5834FS
Absolute encoders singleturn up to SIL3/PLe
2 Absolute encoders singleturn up to SIL3/PLe
  • Sturdy design
  • Optical – precise
  • Dimension of ø 58 mm
  • SSi, BiSS+SinCos interface
To the Sendix 5853FS/5873FS

Detection of excessive speeds with two incremental encoders

Alternatively, it is possible to install two encoders at different measurement points in the drive train to ensure a safe drive monitoring. In addition to the speed monitoring, the difference between the rotor and generator shaft is also optimally monitored for slip or gear break.

Speed monitor SIL3/PLe
1 Speed monitor SIL3/PLe
  • SinCos/Incremental inputs: 2
  • Safe digital inputs and outputs
  • OLED touchscreen, removable
To the products
Heavy duty incremental encoder
2 Heavy duty incremental encoder
  • Particularly resilient
  • Bearing insulation up to 2.5 kV
  • Optical – precise
  • Resolution max. 5000 ppr.
To the Sendix H120
Bearingless encoders
3 Bearingless encoders
  • Magnetic – sturdy
  • High level of control quality thanks to digital signal processing
  • Direct mounting on the rotor or generator shaft
To the RLI200

DOWNLOADS


11.08.2022
∼ 2.739 MB
Brochures

Solutions for Wind Turbines

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