Review on electrical control strategies for wave energy converting systems

Renewable energy techniques are now gaining more and more attention as the years pass by, not only because of the threat of climate change but also, e.g. due to serious pollution problems in some countries and because the renewable energy technologies have matured and can be depended upon an increas...

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Published inRenewable & sustainable energy reviews Vol. 31; pp. 329 - 342
Main Authors Hong, Yue, Waters, Rafael, Boström, Cecilia, Eriksson, Mikael, Engström, Jens, Leijon, Mats
Format Journal Article
LanguageEnglish
Published Kidlington Elsevier Ltd 01.03.2014
Elsevier
Subjects
Applied sciences
Control systems
Converters
Direct power generation
Electrical control
Energy
Energy absorption
Energy storage
Engineering Science with specialization in Science of Electricity
Exact sciences and technology
Oceans
Renewable energy
Strategy
Teknisk fysik med inriktning mot elektricitetslära
Wave energy converter
Wave power
Wave energy converter
Wave power
Electrical control
Energy storage
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Summary:Renewable energy techniques are now gaining more and more attention as the years pass by, not only because of the threat of climate change but also, e.g. due to serious pollution problems in some countries and because the renewable energy technologies have matured and can be depended upon an increasing degree. The energy from ocean waves bares tremendous potential as a source of renewable energy, and the related technologies have continually been improved during the last decades. In this paper, different types of wave energy converters are classified by their mechanical structure and how they absorb energy from ocean waves. The paper presents a review of strategies for electrical control of wave energy converters as well as energy storage techniques. Strategies of electrical control are used to achieve a higher energy absorption, and they are also of interest because of the large variety among different strategies. Furthermore, the control strategies strongly affect the complexity of both the mechanical and the electrical system, thus not only impacting energy absorption but also robustness, survivability, maintenance requirements and thus in the end the cost of electricity from ocean waves.
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ISSN:1364-0321
1879-0690
1879-0690
DOI:10.1016/j.rser.2013.11.053