Rotor blade monitoring

Rotor blade monitoring Modular condition monitoring for optimized system operation

Wind turbine generators have evolved greatly in recent years. A machine has now become a highly complex power station. Ever-larger wind turbine generators with ever-longer rotor blades require much more complex monitoring and closed-loop control. The rotor blades in particular are exposed to high loads. They have a high potential for wear and damage. Constant monitoring ensures that damage is repaired at an early stage. Expensive repairs and long downtimes are thus avoided.

Application

When dealing with increasingly large rotor diameters, condition monitoring at the rotor blade is a sensitive task. By using the right type of monitoring, system efficiency is increased and important safety functions are implemented to prevent damage to the wind turbine generator.

Blade Intelligence Condition monitoring with innovative measuring technology

With our Blade Intelligence blade monitoring solution, you always have the status of your rotor blades in view and can respond quickly to any events. Blade Intelligence consists of the combination of ice detection, load monitoring, lightning current measurement, and structure monitoring. Our solution is available in several versions. It can also be retrofitted and integrated reliably into existing plants.

Interactive image map: Topology of the Blade Intelligence solution for rotor blade monitoring with sensors and evaluation unit
Sensor for load monitoring
Sensor for measuring loads on the rotor blade of wind turbine generators. With magnetic shielding and cable resistance compensation.
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Sensor for load monitoring
Sensor for structural monitoring
Sensor for structural monitoring on the rotor blade. Only one sensor is needed per rotor blade. It measures acceleration in two axes as well as the temperature.
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Sensor for structural monitoring
Sensor for lightning current measurement
Optical lightning sensor for the continuous detection and evaluation of lightning strikes. IP67 degree of protection.
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Sensor for lightning current measurement
Sensor for ice detection
Wireless ice and temperature sensor for wind turbine generators, self-adhesive, for mounting on rotor blades, tower, or nacelle, communication with the wireless receiver.
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Sensor for ice detection
Evaluation unit
The sensors supply the data for monitoring the rotor blades to this common evaluation unit.
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Evaluation unit
Control cabinet for rotor blade monitoring

Evaluation unit of the modular Blade Intelligence solution

Modular system configuration

The modular design of the Blade Intelligence solution allows individual solutions to be combined as needed, based on the requirements. Sensors developed specially for installation on the rotor blade provide all of the data necessary for processing in a shared evaluation unit. Extensions with additional sensor technology are always possible. New technologies and wireless sensors enable long-term and efficient maintenance management, while also allowing efficient retrofitting of existing turbines.

Personal contact
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Wind team in a winter landscape in front of wind turbine generators