Variable Speed Control In Wells Turbine-Based Oscillating Water Column Devices: Optimum Rotational Speed

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Date
2018
Author
Lekube Garagarza, Jon
Garrido Hernández, Aitor Josu ORCID
Garrido Hernández, Izaskun ORCID
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6th International Conference On Power Science And Engineering (ICPSE 2017) 136 : (2017) // Article ID UNSP 012017
URI
http://hdl.handle.net/10810/27727
Abstract
The effects of climate change and global warming reveal the need to find alternative sources of clean energy. In this sense, wave energy power plants, and in particular Oscillating Water Column (OWC) devices, offer a huge potential of energy harnessing. Nevertheless, the conversion systems have not reached a commercially mature stage yet so as to compete with conventional power plants. At this point, the use of new control methods over the existing technology arises as a doable way to improve the efficiency of the system. Due to the nonuniform response that the turbine shows to the rotational speed variation, the speed control of the turbo-generator may offer a feasible solution for efficiency improvement during the energy conversion. In this context, a novel speed control approach for OWC systems is presented in this paper, demonstrating its goodness and affording promising results when particularized to the Mutriku's wave power plant.
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Except where otherwise noted, this item's license is described as Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Attribution 3.0 Unported (CC BY 3.0) Share — copy and redistribute the material in any medium or format Adapt — remix, transform, and build upon the material for any purpose, even commercially.