Special Issue "Advances in Power Take-Off Systems for the Future Wave Energy Conversion"

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Energy Sustainability".

Deadline for manuscript submissions: 20 March 2022.

Special Issue Editors

Dr. Marcos Lafoz
E-Mail Website1 Website2
Guest Editor
Technology Department Av. de la Complutense, Energy, Environmental and Technological Research Center, CIEMAT Electrical Engineering Division, 22, 28040 Madrid, Spain
Interests: power electronics; inverters; power converters; wave energy; electric drives; switched reluctance motors; energy storage; electric vehicles; electric machines; flywheels; supercapacitors; energy storage dimensioning
Dr. Marcos Blanco
E-Mail Website
Guest Editor
Technology Department Av. de la Complutense, Energy, Environmental and Technological Research Center, CIEMAT Electrical Engineering Division, 22, 28040 Madrid, Spain
Interests: ocean-wave energy generation; power electronics and electric drives simulation; design and implementation; DPS-based control development

Special Issue Information

Dear Colleagues:

The concept of power take-off (PTO) in the topic of wave energy conversion (WEC) is considered as the group of elements in charge of transforming the mechanical energy captured from the waves into electricity delivered into the electric grid. It comprises different technologies: mechanical adaptation, such as gearboxes, electric generators, power electronics and even control systems, which could be also considered as part of the PTO. Advanced development of PTOs can increase the efficiency, reliability, sustainability and survivability of WECs, as well as its performance, resulting in a reduction of the LCOE and a higher benefit in terms of annual energy captured. Other important impacts are expected from the development of PTOs, such as reduction of failures and fatigue on components, reduction of unplanned maintenance and reinforcement of the supply chain.

The topics included in this special issue will be: development of PTO technology; demonstration of new PTO performance; improvement of PTO control strategies; onshore testing previous to final commissioning; optimization of PTO design; PTO standardization; scalability and modularity of PTOs; validation of wave-to-wire models; demonstration of grid-compliance power, including short-term energy storage solutions to smooth power output

Dr. Marcos Lafoz
Dr. Marcos Blanco
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • power take-off (PTO)
  • wave energy conversion (WEC)
  • renewable energy
  • energy sustainability
  • short-term energy storage solutions

Published Papers (1 paper)

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Research

Article
MPPT of Permanent Magnet Synchronous Generator in Tidal Energy Systems Using Support Vector Regression
Sustainability 2021, 13(4), 2223; https://doi.org/10.3390/su13042223 - 19 Feb 2021
Cited by 1 | Viewed by 469
Abstract
In this paper, an improved Maximum Power Point Tracking (MPPT) algorithm for a tidal power generation system using a Support Vector Regression (SVR) is proposed. To perform this MPPT, a tidal current speed sensor is needed to track the maximum power. The use [...] Read more.
In this paper, an improved Maximum Power Point Tracking (MPPT) algorithm for a tidal power generation system using a Support Vector Regression (SVR) is proposed. To perform this MPPT, a tidal current speed sensor is needed to track the maximum power. The use of these sensors has a lack of reliability, requires maintenance, and has a disadvantage in terms of price. Therefore, there is a need for a sensorless MPPT control algorithm that does not require information on tidal current speed and rotation speed that improves these shortcomings. Sensorless MPPT control methods, such as SVR, enables the maximum power to be output by comparing the relationship between the output power and the rotational speed of the generator. The performance of the SVR is influenced by the selection of its parameters which is optimized during the offline training stage. SVR has a strength and better response than the neural network since it ensures the global minimum and avoids being stuck at local minima. This paper proposes a high-efficiency grid-connected tidal current generation system with a permanent magnet synchronous generator back-to-back converter. The proposed algorithm is verified experimentally and the results confirm the excellent control characteristics of the proposed algorithm. Full article
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