The problem of maximizing the performances of a U-OWC wave energy converter in a variety of environmental conditions is investigated. Specifically, the paper compares two control strategies coupling the U-OWC – PTO system. Two approaches are discussed. The first relies on the tracking of the Maximum Power Points of the system, and empirical relations between the optimal PTO performances and the energy content of the incident sea state are estimated. Secondly, an analytical formulation linking the operational conditions of the turbine to the instantaneous air pressure inside the pneumatic chamber is identified. Results show that a sea state-based controller works better than a wave-to wave fast-acting control

Performance of a U-OWC – PTO coupled system using different control laws / Arena, F; Laface, V; Malara, G; Strati, F M. - 6:(2015), pp. 128-138. (Intervento presentato al convegno VI International Conference in Computational Methods in Marine Engineering - MARINE 2015 tenutosi a Rome, Italy nel 15-17 June 2015).

Performance of a U-OWC – PTO coupled system using different control laws

Arena F;Laface V;Malara G;
2015-01-01

Abstract

The problem of maximizing the performances of a U-OWC wave energy converter in a variety of environmental conditions is investigated. Specifically, the paper compares two control strategies coupling the U-OWC – PTO system. Two approaches are discussed. The first relies on the tracking of the Maximum Power Points of the system, and empirical relations between the optimal PTO performances and the energy content of the incident sea state are estimated. Secondly, an analytical formulation linking the operational conditions of the turbine to the instantaneous air pressure inside the pneumatic chamber is identified. Results show that a sea state-based controller works better than a wave-to wave fast-acting control
2015
9788494392863
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.12318/47125
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