SGRE Tests, Approves New Wind Lidar Technology from ZX Lidars

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Siemens Gamesa Renewable Energy (SGRE) says it has tested and approved a nacelle-based wind lidar, the ZX TM, a new technology from ZX Lidars.

Based on the positive results achieved both on the medium- and long-range measurements, SGRE has approved the use of the nacelle-based continuous wave scanning lidar ZX TM for power performance testing.

Additionally, operational “rotor equivalent” power curves can also be measured with ZX TM’s 50 points around the full rotor swept area, which is particularly important for turbines with larger rotor diameters offshore and on onshore sites with complex veer or shear profiles.

ZX TM allows the power curve of SGRE wind turbines to be measured and verified as a function of the hub height wind speed and also can be used instead of the procedure described in the IEC61400-12-1:2017 (ed. 1/ed. 2) using a meteorological mast and anemometry installation.

ZX Lidars provides wind lidar products ZX 300, ZX 300M and ZX TM for wind energy and meteorological applications. These lidars deliver accurate wind measurements in both onshore and offshore applications at measurement heights/ranges across the full swept area of the blades of modern wind turbines.

Photo: The ZX TM wind lidar

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