[HTML][HTML] Classifying resonant frequencies and damping values of an offshore wind turbine on a monopile foundation for different operational conditions

W Weijtjens, R Shirzadeh, G De Sitter… - EWEA Annual Event …, 2014 - researchportal.vub.be
EWEA Annual Event, 2014, 2014researchportal.vub.be
This paper shows the most recent results in the ongoing long-term monitoring campaign on
an offshore wind turbine in the Belgian North Sea [1, 2]. This contribution will focus on the
behavior of the resonant frequencies and damping values of the fundamental modes over a
full year, during which all relevant ambient and operational conditions have occurred.The
latest results show that the damping values and resonance frequencies of the support
structure are greatly influenced by the operating conditions of the turbine. We will therefore …
This paper shows the most recent results in the ongoing long-term monitoring campaign on an offshore wind turbine in the Belgian North Sea [1, 2]. This contribution will focus on the behavior of the resonant frequencies and damping values of the fundamental modes over a full year, during which all relevant ambient and operational conditions have occurred.
The latest results show that the damping values and resonance frequencies of the support structure are greatly influenced by the operating conditions of the turbine. We will therefore classify the dynamics of the turbine during operating conditions into different reference sets for fatigue-life design.
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