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Wind Turbines, Wind Farms, and Wind Energy: 2nd Edition

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A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "A3: Wind, Wave and Tidal Energy".

Deadline for manuscript submissions: closed (29 February 2024) | Viewed by 2956

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Special Issue Editors

Prof. Dr. Rafael Campos Amezcua

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Guest Editor

Tecnológico Nacional de México/Centro Nacional de Investigación y Desarrollo Tecnológico, Interior Internado Palmira S/N, Col. Palmira, Cuernavaca 62490, Mexico
Interests: wind energy; aeroelasticity in wind turbines; wind resource assessment
Special Issues, Collections and Topics in MDPI journals

Dr. Erasmo Cadenas

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Guest Editor

Facultad de Ingeniería Mecánica, Universidad Michoacana de San Nicolás de Hidalgo, Santiago Tapia No. 403, Centro, Morelia 58000, Mexico
Interests: alternative energies; wind speed forecasting; mechanical design and materials science in engineering
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Electrical energy is thoroughly used in every device, machine, process, and technology worldwide today. The growing demand for electrical energy, as well as the adverse effects of the indiscriminate use of fossil fuels, encourage the search for new energy sources that are more environmentally friendly, safe, and economically feasible. Wind energy is the most widely used renewable energy source for electricity generation.

Wind turbines are the devices used to transform the kinetic energy of the wind into electrical energy. Although it is a mature technology, with more than 100 years of existence, there are still various challenges that require study and research, from the early stages of a wind power project such as wind resource assessment and wind turbine design to the integration of wind energy in power systems.

This Special Issue aims to present and disseminate the most recent advances related to the theory, design, modeling, application, and control of wind energy converter systems.

Topics of interest for publication include but are not limited to:

Wind power assessment;
Development of forecasting models;
Wind turbine design innovations;
New materials application;
Machine learning to harvest wind energy;
Structural dynamics analysis;
Integration of wind energy in power systems.

Prof. Dr. Rafael Campos Amezcua
Dr. Erasmo Cadenas
Guest Editors

Manuscript Submission Information

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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. Energies 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 2600 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

wind power
aerodynamic
aeroelasticity
wind turbines
wind farm
artificial intelligence
wind speed and wind power forecasting

Related Special Issue

Wind Turbines, Wind Farms and Wind Energy in Energies (10 articles)

Published Papers (3 papers)

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Research

21 pages, 13150 KiB

Open AccessArticle

A Comprehensive Resource Assessment for Wind Power Generation on the Rural Island of Sibuyan, Philippines

by Jerome G. Gacu, Junrey D. Garcia, Eddie G. Fetalvero, Merian P. Catajay-Mani, Cris Edward F. Monjardin and Christopher Power

Energies 2024, 17(9), 2055; https://doi.org/10.3390/en17092055 - 26 Apr 2024

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Abstract

Amid rising energy demands in rural areas, thorough resource assessments for initiatives such as wind power are crucial. This study involves a land resource assessment for wind power generation on the rustic Sibuyan Island in the Philippines, which is currently experiencing an electricity shortage. A comprehensive overview of the island’s suitability for wind energy projects is performed via evaluation and analysis using geospatial data and multi-criteria decision making (MCDM). The research results indicate that 50.44% (220.68 km²) of the island’s land area is categorized as ‘poorly suitable’ since it considers protected areas where developments are not allowed. Only 0.08% (0.35 km²) of the island can be classified as ‘marginally suitable’, while 9.15% (40.73 km²), 36.64% (176.39 km²), and 0.69% (3.05 km²) are labeled as ‘moderately suitable’, ‘suitable’, and ‘highly suitable’, respectively. This confirms the potential for wind energy exploration on the island. Delineating the suitability levels provides a foundational framework for stakeholders that enables them to identify optimal sites for wind power, sustain the island’s resources, and contribute to the renewable energy landscape of this rural location. Overall, this study, underpinned by data analysis, offers invaluable insights for decision making in wind power development, with the presented framework adaptable to other areas of interest. Full article

(This article belongs to the Special Issue Wind Turbines, Wind Farms, and Wind Energy: 2nd Edition)

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15 pages, 5468 KiB

Open AccessArticle

Influence of Excitation by Idling Rotor on Wind Turbine Ultimate Loads in Storm Conditions

by Shigeo Yoshida and M. Fekry

Energies 2024, 17(5), 1030; https://doi.org/10.3390/en17051030 - 22 Feb 2024

Viewed by 586

Abstract

Typical large scale pitch-controlled wind turbines idle their rotors during storm conditions. The design loads of wind turbines are calculated by aeroelastic simulations under various conditions. These include grid loss and failures, which can increase rotor speed and excite the first-mode of the tower bending. In this study, the influences of self-excitation by the idling rotor on the ultimate loads in storm conditions were investigated. Aeroelastic simulations were conducted for a three-bladed 5 MW upwind turbine as an example, under steady and extreme turbulent wind conditions according to the international design standard IEC61400-1 ed.4. As a result, we confirmed that yaw misalignment increases the idling rotor speed and 6P, second order harmonics of blade passing frequency, excites the first-mode tower bending, which can generate a large load on the tower. Pitch stick can increase the rotor speed but not as noticeably as yaw error. Although no clear provisions exist in wind turbine design standards or guidelines for the self-excited vibration during wind turbine idling, these results indicate that conditions must be set that consider self-excited vibration. Full article

(This article belongs to the Special Issue Wind Turbines, Wind Farms, and Wind Energy: 2nd Edition)

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15 pages, 2667 KiB

Open AccessArticle

Design and Analysis of an Adaptive Dual-Drive Lift–Drag Composite Vertical-Axis Wind Turbine Generator

by Pengfei Yan, Yaning Li, Qiang Gao, Shuai Lian and Qihui Wu

Energies 2023, 16(22), 7529; https://doi.org/10.3390/en16227529 - 11 Nov 2023

Viewed by 880

Abstract

In this paper, based on the lift-type wind turbine, an adaptive double-drive lift–drag composite vertical-axis wind turbine is designed to improve the wind energy utilization rate. A drag blade was employed to rapidly accelerate the wind turbine, and the width of the blade was adaptively adjusted with the speed of the wind turbine to realize lift–drag conversion. The aerodynamic performance analysis using Fluent showed that the best performance is achieved with a blade curvature of 30° and a drag-type blade width ratio of 2/3. Physical experiments proved that a lift–drag composite vertical-axis wind turbine driven by dual blades can start when the incoming wind speed is 1.6 m/s, which is 23.8% lower than the existing lift-type wind turbine’s starting wind speed of 2.1 m/s. At the same time, when the wind speed reaches 8.8 m/s, the guide rail adaptive drag-type blades all contract and transform into lift-type wind turbine blades. The results show that the comprehensive wind energy utilization rate of the adaptive dual-drive lift–drag composite vertical-axis wind turbine was 5.98% higher than that of ordinary lift-type wind turbines and can be applied to wind power generation in high-wind-speed wind farms. Full article

(This article belongs to the Special Issue Wind Turbines, Wind Farms, and Wind Energy: 2nd Edition)

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