Laser wind sensor boosts power output
A company appropriately named Catch the Wind has developed a system that could help optimise the power output from a wind turbine.
A company appropriately named Catch the Wind has developed a system that could help optimise the power output from a wind turbine.
Catch the Wind's so-called Vindicator laser-based system comprises a fibre-optic laser module, a processor, a control system interface and a remote lens assembly. The laser module and processor are housed in a separate assembly that may be located either within the wind turbine nacelle or with the remote lens assembly.
In use, the system senses the wind that is approaching a wind turbine at various ranges and reports this information to the turbine's control system.
Using sophisticated control algorithms, the control system then decides how and when to best exploit the wind that is approaching the turbine and commands internal systems to either change blade pitch and/or re-orient the entire nacelle in an effort to maintain efficiency, reduce the stressing effects of wind shear and gusts or maintain a constant blade speed.
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