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Unformatted text preview: large uncertainty is removed a more accurate fatigue analysis can be performed and a better prognoses for the future damage accumulations can be performed. MONITORING SYSTEM The performance of the Vestas 3 MW wind turbine is monitored online by a surveillance camera. The image is shown in Figure 8. To measure the modal space the foundation and the turbine tower are equipped with a monitoring system complying of 15 Kinemetrics force balance accelerometers, model FBA ES-U. The position of the accelerometers in the tower and bucket are shown in Figure 9, 10 and 11. The on-line monitoring system is seen in Figure 12. Figure 8: Online image of the Vestas 3MW - V90 in operation. Figure 9. The position of the accelerome-ters in the tower and bucket foundation. Figure 10. Accelerometer mount at the connection between the tower and the foundation....
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- Spring '08