Abstract
A linear electrical generator can be used on wave energy converter for converting the kinetic energy of a floating structure to the electricity. A wave farm consists of multiple wave energy converters which equipped in a sea area. In the present paper, a numerical model is proposed considering not only the interference effect in the multiple floating structures, but also the controlling force of each linear electrical generator. In particular, the copper losses in the electrical generator is taken into account, when the electrical power is computed. In a case study, the heaving motions and electrical powers of the multiple wave energy converters are estimated in the straight arrangement and triangle arrangement. In addition, the average electrical power is analyzed in different distances of the floating structures. The aim of this paper is to clear the relationship between the interference effect and electric powers from wave energy converters. This will be useful for deciding the arrangement of multiple wave energy converters.
Highlights
Converting wave energy to electricity from ocean waves is one of the greatest attractions in ocean engineering
Many different concepts have been proposed with the goal to convert the kinetic and potential energy of ocean waves [1,2]
oscillating water column (OWC) is proposed based on the principle of wave induced air pressurization
Summary
Converting wave energy to electricity from ocean waves is one of the greatest attractions in ocean engineering. Many different concepts have been proposed with the goal to convert the kinetic and potential energy of ocean waves [1,2]. Some significant types are given as follows: oscillating water column (OWC), over-topping device, hinged multi-module converter, point absorber etc. OWC is proposed based on the principle of wave induced air pressurization. Investigated the hydrodynamic performance of an OWC wave energy device using boundary integral equation method (BIEM) simulation and small scale model experiment. [4] discussed the scale effects of OWC by a small scale and a similar large scale device.
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