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25/07/17 -

DNV GL verifies nacelle-mounted ZephIR Lidar wind measurements

New nacelle Lidar test site fully operational

An independent performance verification of a nacelle-mounted ZephIR Lidar has been undertaken by DNV GL on the test site in Janneby, Germany which demonstrates the product is compliant with best-practice guidelines developed in the EUDP UniTTe programmes – widely regarded and accepted as industry benchmarks for installations of turbine-mounted Remote Sensing Devices (RSDs).

In the verification, the ZephIR DM nacelle-mounted lidar was mounted horizontally on a raised platform (FW-MM) – 180m away from two reference met masts (T-MM-N and T-MM-S) equipped with calibrated anemometers at DNV GL’s test site, located 20 km southwest of Flensburg, Germany.

 

 

 

 

 

 

 

 

A series of tests and subsequent analysis was undertaken by DNV GL on the performance of the ZephIR DM with respect to:

 

 

 

 

 

 

 

 

 

 

ZephIR Lidar’s nacelle-based wind profiler, ZephIR DM, has been demonstrated to measure wind speed when mounted on a wind turbine at a very accurate level. Additionally, the ZephIR DM offers the advantage of being mobile and scanning at up to several hundred metres ahead of the rotor in free stream wind flow for a power curve measurement.

Further, the individual unit used in this test will operate as a Gold Standard Nacelle-Lidar suitable for further tests, validations and performance verifications at the UK Remote Sensing Test Site where a range of remote sensing devices undergo independent performance verification – for example a sample of 250 ground-based ZephIR 300 Performance Verifications have been published openly and available at www.zxlidars.com.

Applications for nacelle-mounted Lidar include:

 

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ZX Lidars - ZX Measurement Services

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ZX Lidars - ZXTM

Validate your wind turbine performance and reach financial close with nacelle based Lidar Power Performance Testing. Optimise asset performance with operational power curve and yaw measurements. Develop wind farm Lidar control strategies with wake steering and load control.

Power Performance Measurements and Testing to IEC standards including IEC 61400-50-3:2022

Accepted by all major turbine OEMs

Unique measurements of wakes and complex flow

True wind shear and wind veer measurements across the whole rotor

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ZX Lidars - ZX300M

Reduce your offshore wind farm project and financial uncertainty by measuring wind characteristics higher than a met mast and by mobilising measurements across a whole site with wind Lidar. Integrated in to all major Floating Buoy platforms.

Wind resource assessment and measurements offshore

Responsible for 95%+ of all new offshore wind measurements globally

£150bn of finance invested in clean energy from ZX 300M data

10-300m range - the widest range available of any Lidar

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Our Recommendation
ZX Lidars - ZX300

Reduce your onshore wind project and financial uncertainty by measuring wind characteristics higher than a met mast and by mobilising measurements across a whole site with wind Lidar. Be flexible within your planning applications by using a low visual impact, low height device.

Wind resource assessment and measurements onshore

Bankable standalone wind data in simple and complex terrain

Extreme environments, proven operation for 10 years

10-300m range - the widest range available of any Lidar

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