Sensors to measure the tension on the blades of a windmill

By on April 1st, 2009

Wednesday, April 1, 2009 5:20

moog-japan_fpe8a_69Moog Japan Ltd have developed a system that will measure the tension on the blades of a windmill every second. This system could prevent a catastrophic end of this renewable energy generator.

At the base of each blade are installed four load sensors to measure distortion. The system adjusts the pitch angle to reduce the load on the wings when asymmetric load is applied on the windmill due to variations in wind strength or when the wind is strong.

At a resolution of 1 μstrain and 25 times per second, the system is so effective that it can measure distortions up to 4,500 μstrain (0.45%). The scientist declared thet this technology can increase the lifetime of a wind turbine.

[via Techon]

        

Posted in category Wind Power
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