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Dulas launches met mast verification service with ZephIR 300 Wind Lidar

By Michelle Froese | December 12, 2016

Dulas, a renewable energy service provider, announced the launch of a wind-farm met mast data verification and testing service, using industry-leading wind lidar ZephIR 300. The service will ensure that meteorological (met) masts are correctly calibrated and that their data is verified throughout the lifetime of the wind farm development.

Once operational, meteorological masts can become a neglected asset, as production priorities and operations and maintenance activity on turbines take precedence.

ZephIR 300 delivers finance-grade wind speed and energy assessments, and is able to provide an onsite validation of any wind shear model being used for wind speeds above the mast height.

Over time, neglected masts can have the potential to lose data accuracy, thereby providing owners and secondary investors with incorrect data, which ultimately affects project returns, the investment grade of the development, and client reporting.

“Meteorological masts are frequently a neglected or under-used asset on operational wind farms,” said Phil Horton, Managing Director, Dulas.

“By deploying a ZephIR 300 wind lidar, we are able to offer the most sophisticated wind assessment and monitoring system available to our customers, providing a cost-effective alternative for asset owners who would otherwise be forced to temporarily decommission the mast, or send engineers up the structure itself,” he added.

The new service provided by Dulas will see the deployment on site of a remote sensing lidar – ZephIR 300, a finance-grade lidar system – which is able to detect many of the causes of inaccuracy in the met mast, and also provide an onsite validation of any wind shear model being used for wind speeds above the mast height.

The lidar is a fully calibrated system, verified against ‘gold-standard’ lidars in addition to a traditional, well-instrumented and calibrated met mast. The lidar is simply moved to site to test the data of the operating project masts, enabling project owners to save the significant cost of personnel lowering the mast to test and validate, or sending a team to the top of the tower to carry out the testing in situ.

“As a remote sensing pioneer, we recognize the significant demand for highly accurate measurement solutions that enable wind energy investors to optimize the performance of their projects,” said Alex Woodward, Head of Product Development at ZephIR Lidar. “Our ZephIR 300, a bankable wind lidar, requires deployment for less than four weeks and is able to measure wind speeds and characteristics from as low as 10 meters to as high as 200 meters – ensuring correlations may be performed on even the shortest masts.”

The ZephIR 300 is able to:

  • Identify flow distortion at the anemometer, caused by the mast itself
  • Confirm any deterioration in anemometry calibration over time
  • Discover misalignment of anemometry with respect to the mast
  • Detect anemometry failings during freezing temperatures

Filed Under: News
Tagged With: dulas
 

About The Author

Michelle Froese

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