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Publicações
Santos, T.A., Carichas, E., Fonseca, N., Pessoa, J., Duarte, F., Valente, J.A., Baptista, O., Cruz, J. e Leal, M. (2012), “Development of an Integrated System for Personnel and Equipment Transfer to Offshore Winde Turbines”, Maritime Engineering and Technology, Guedes Soares et al. (Eds),Taylor & Francis Group, London, pp. 631-645
The British organization Carbon Trust promoted a competition within the Offshore Wind Accelerator framework for solving one of the critical issues concerning the operation of far offshore wind farms. The maintenance of 200 turbines in the new offshore wind farms which will be built around the United Kingdom poses a considerable challenge, as turbine access and work platforms will be located 20m above the water in open sea conditions, up to 300 km from the coast line. This paper describes an integrated system for personnel and equipment transfer (ISPET) to the offshore wind turbines.
The system consists of a swath ship with an ample aft deck where up to 6 capsules, inverted cone shaped, are stowed in berths. In seastates between 1m and 3m wave height, each of these capsules is to be moved to the wind turbine platform, carrying up to 6 persons and 1t of equipment, using a shipboard crane when the ship is suitably located alongside the wind turbine at a safety distance. The wind turbine work platform is fitted with a 360? ring where the capsule is to be deposited using the crane and left during the duration of the maintenance operations. The main benefits of this system are that it is capable of providing access to wind turbines in seastates up to 3m and personnel and cargo are transferred protected inside a capsule. Costs are relatively low as a wind farm with 200 turbines can be serviced by 2–3 ships.
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