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GE approves the use of the nacelle-based Lidar ‘ZX TM’ for Power Performance TestingIn anticipation of the release of IEC 61400-50-3, Use of nacelle-mounted lidars for wind measurements, and now in response to this new standard, GE Renewable Energy has approved the specific Lidar – ZX TM – from ZX Lidars, to measure the power curve of GE onshore wind turbines so they may be verified as a function of the Hub Height wind speed. In addition to hub height measurements specifically used for Power Performance Tests, operational rotor equivalent power curves can uniquely also be measured with ZX TM’s unique 50 points around the full rotor swept area, providing full veer and shear information. These measurements help to inform operational strategies relating to turbine performance outside of warranted conditions and may be particularly important for turbines with larger rotor diameters offshore and on sites with complex veer or shear profiles onshore.
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