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ROMEG - Model M 20 G -Laser-based Blade Angle Measurement for Wind Turbines
Efficient operation of wind turbines or wind farms requires a long service life of the individual wind turbines. The trend is towards larger and more powerful wind turbines. The increasing size of the new wind turbines leads to a massive load in the form of vibrations for the wind turbine and its components. Vibrations in a wind turbine have a negative impact on their function and yields.
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- ROMEG M 20G is a laser device for geometry measurement of wind turbine Rotors.
- The ROMEG measurement is a laser-based Procedere for the verification of the dynamic and aerolastic behavior of the rotor and the whole turbine.
- ROMEG can detect aerodynamically excited imbalances and indicate mass excited imbalances.
- Measurements are taken with the turbine in regular Operation.
- The measurement takes place at the running plant. As a result, the system behavior is measured under real conditions and the results can be evaluated realistically.
- The results are available on site and can be used immediately to optimize the rotor.
- By comparing the oscillation pattern before and after the correction, the success of the optimization measure can be clearly established.
- Since the measurements are made on the current running system, there are no yield losses.
The ROMEG process was verified by the DEWI-OCC in 2014.
Our experience with plants measured “without suspicion” shows:
- One in two WTG has an angular difference > 0.5°
- One in five WTG has an angular difference > 1.0°
In contrast to an imbalanced turbine, a WTG with a well-balanced rotor shows the following attributes:
- Less tower stress
- Less noise pollution
- Reduced maintenance costs
- Better performance/higher yield
- Higher availability
- Longer service-life of WTG