Wave Energy Conversion Systems:
Optimal Localization Procedure
Author(s)
G. Benassai, M. Dattero & A. Maffucci
Abstract
Wave energy is a renewable and pollution-free energy source that has a potential
world-wide contribution to the electricity market estimated in the order of 2,000
TWh/year, which represents about 10% of the world’s electricity consumption
with an investment cost of EUR 820 billion. Sea waves have one of the highest
energy densities among the Renewable Energy Sources (RES). Today, the
largest problem in harvesting wave energy is obtaining reliability of the
technology and bringing the cost down.
The main types of wave energy converters are:
- The oscillating water column, which consists of a partially submerged,
hollow structure open to the sea below the water line.
- Overtopping devices that collect the water of incident waves in order to
drive one or more low head turbines.
- Point absorbers (floating or mounted on the sea bed), which usually
provide a heave motion that is converted by mechanical, magnetic and/or
hydraulic systems in linear or rotational motion for driving electrical
generators.
- Surging devices that exploit the horizontal particle velocity in a wave to
drive a deflector or to generate the pumping effect of a flexible bag facing
the wave front.
Obviously the amount of available energy depends on the different
distribution of the wave energy on the world coastlines. The most energetic sites
are situated on the west coasts of the oceans at middle latitudes. European and
Australian west coasts reach amounts of 80 kW/m of available wave energy; in
www.witpress.com, ISSN 1743-3541 (on-line)
Keywords
wave energy, optimal localization, wave farms
Related Book
Other papers in this volume
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