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By mounting a verified lidar on top of a 91m mast, the normal mast reference measurement heights were extended to above 200m. This configuration is called the Midar (‘Mast’+‘Lidar’) and was validated successfully against a 200m classified ground-based lidar. This demonstrates the operational capability of the Midar as a reference for windspeeds and a fleet of lidars were verified against it up to 300m.

The ZX 300e achieved a 0% classification uncertainty from 21 to 200m under IEC61400-50-2:2022, indicating no measurable sensitivity to environmental variables across the classified height range.

Beyond formal classification, the ZX 300e has been proven across eight independent measurement campaigns at IEC compliant test sites, 25 concurrent measurement campaigns at the UK Remote Sensing Test Site, and a campaign in highly complex terrain.

Performance credentials demonstrated accuracy within industry acceptance criteria, high availability, consistency across devices, and resilience in complex terrain when CFD corrections are applied.

Turbulence can bias lidar measurements of wind speed by over 4%. High-frequency sampling reduces the impact by as much as factor of 7.

ZX Lidars welcomes the release of a new positioning statement from Nordex Group confirming acceptance of ZX ground-based Lidars for standalone use in wind turbine site suitability assessments.

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