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NRG Systems and Leosphere partner on wind measurement

Wind measurement equipment manufacturer NRG Systems and Leosphere, which specialises in lidar (laser radar) for atmospheric observations, have formed a joint venture (JV) for the use of remote sensing with lidar in the wind energy industry.

The first product of the partnership is the WINDCUBE™ lidar wind measurement system, a remote sensor used in site assessment and windfarm performance monitoring.

The WINDCUBE lidar remote sensor provides 200 m vertical wind profiles, mapping wind speed and direction, turbulence, and wind shear. The portable system includes 10 programmable measurement heights with an automatic data filter for ready to use data.

The active remote sensor operates by sending a laser pulse through the atmosphere. Along its path, the laser light is scattered by particles in the air (dust, water, aerosols, etc.) and bounced back to an optical sensor in the lidar unit. These signals capture the shift in atmospheric particles, or the absolute wind speed in the lidar line of sight.

Alex Sauvage, President and CEO of Leosphere, says: “The WINDCUBE is … a flexible, easy-to-use technology that has proven to reduce data uncertainty and project risks in the wind energy industry.”

“As the industry has evolved so has the need to measure accurately and reliably at taller heights,” adds Jan Blittersdorf, President and CEO of NRG Systems.

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