A Review of Wave-to-Wire Models for Wave Energy Converters

Markel Penalba and John V. Ringwood
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Markel Penalba: Centre for Ocean Energy Research, Maynooth University, Maynooth, Co. Kildare, Ireland
John V. Ringwood: Centre for Ocean Energy Research, Maynooth University, Maynooth, Co. Kildare, Ireland

Energies, 2016, vol. 9, issue 7, 1-45

Abstract: Control of wave energy converters (WECs) has been very often limited to hydrodynamic control to absorb the maximum energy possible from ocean waves. This generally ignores or significantly simplifies the performance of real power take-off (PTO) systems. However, including all the required dynamics and constraints in the control problem may considerably vary the control strategy and the power output. Therefore, this paper considers the incorporation into the model of all the conversion stages from ocean waves to the electricity network, referred to as wave-to-wire (W2W) models, and identifies the necessary components and their dynamics and constraints, including grid constraints. In addition, the paper identifies different control inputs for the different components of the PTO system and how these inputs are articulated to the dynamics of the system. Examples of pneumatic, hydraulic, mechanical or magnetic transmission systems driving a rotary electrical generator, and linear electric generators are provided.

Keywords: wave energy; wave-to-wire model; wave resource; hydrodynamic model; hydraulic system; electric generator; power converters; electricity network (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (40)

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