Fatigue life assessment of three offshore wind turbines
Weijtjens, W.; Noppe, N.; Verbelen, T.; Devriendt, C.; Iliopoulos, A. (2017). Fatigue life assessment of three offshore wind turbines, in: Bakker, J. et al. (Ed.) Life-Cycle of Engineering Systems: Emphasis on Sustainable Civil Infrastructure: Proceedings of the Fifth International Symposium on Life-Cycle Civil Engineering (IALCCE 2016), 16-19 October 2016, Delft, The Netherlands. pp. 742-747
In: Bakker, J. et al. (Ed.) (2017). Life-Cycle of Engineering Systems: Emphasis on Sustainable Civil Infrastructure: Proceedings of the Fifth International Symposium on Life-Cycle Civil Engineering (IALCCE 2016), 16-19 October 2016, Delft, The Netherlands. CRC Press: [s.l.]. ISBN 9781498777018. 438 pp., more
Fatigue life is a design driver for the foundations of offshore wind turbines. Monitoring the consumption of fatigue life is thus an essential part in a full-scope structural health monitoring strategy for offshore wind turbines. This contribution will feature the structural health monitoring data from three offshore turbines in the Belgian North Sea. All three turbines are instrumented with strain gauges and accelerometers. Our interests lie with the interaction between environmental, operational conditions and the fatigue life consumption. For instance we will analyze how different EOCs, changes in the wind direction and structural properties such as the tower resonance frequencies affect fatigue life and thus ultimately structural integrity over its lifetime.
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