Leading Korean wind developer TQD Energia Co. Ltd uses the Geovane Metmast (Geovane MM) to get rid of offsets in their wind direction measurements. For this specific project TQD Energia Co. Ltd. detected a misalignment of the wind vanes with respect to True North of 14 degrees. The economic consequences of a wind farm layout that would have been based on wrong wind direction measurements, have been calculated to be 5.1 million euros.
This case study summarizes how TQD Energia Co. was able to identify a 14-degree misalignment in their wind vane measurements and how this misalignment was detected with the use of the Geovane Metmast. Had TQD Energia not used the Geovane Metmast, the “false” wind rose would have:
- Overestimated the benefits by 254650 euros per year.
- Overestimated the benefits by 5.1 million euros over the lifetime of the wind farm (20 years).
TQD Energia Co. Ltd is an independent South Korean wind energy developer with a portfolio of over 1 GW and currently involved in four different wind farm projects, each with a power capacity between 40 MW and 100 MV. Its Chairman, Moises Lee, is also a member of the Korean Wind Energy Industry Association.
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