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Group of Marine Environment > 1.1 Wave Spectral Models and Time Series Models > Publications
Santos, F.P., Teixeira, A.P. and Guedes Soares, C. (2014), “Influence of logistic strategies on the availability and maintenance costs of an offshore wind turbine”, Safety, Reliability and Risk Analysis: Beyond the Horizon, Steenbergen, R.D.J.M., van Gelder, P.H.A.J.M., Miraglia, S. & Vrouwenvelder, A.C.W.M.T. (Eds.), CRC Press, Amsterdam, The Netherlands, pp. 791-799
This paper presents a parametric study on the availability and operation and maintenance costs of an offshore wind turbine. The turbine is subjected to corrective and preventive maintenance with imperfect repairs. Three maintenance categories classified according to the logistics involved in the operation and maintenance of the turbine’s components are considered. The categories differ according to the size and weight of the components to be replaced, therefore implying the use of different kinds of vessels, mobilization times and costs and hourly rates. The parametric study identifies the effect of several logistic strategies and different failure models on the availability and operation and maintenance costs of the turbine. The failure of the turbine’s components, operation and maintenance activities and the weather windows for accessing the turbine are modeled by Generalized Stochastic Petri Nets with predicates coupled with Monte Carlo Simulation.
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