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Electronics
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Advances in Renewable Energy and Electricity Generation
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Advances in Renewable Energy and Electricity Generation

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Industrial Electronics".

Deadline for manuscript submissions: 15 June 2024 | Viewed by 1271

Special Issue Editors

Prof. Dr. Georgios Papadakis

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Guest Editor
Department of Natural Resources Development and Agricultural Engineering, School of Environment and Agricultural Engineering, Agricultural University of Athens, 75 Iera Odos Street, 11855 Athens, Greece
Interests: renewable energy and environmental technologies’ development and implementation, including applications in agriculture and food processing; water processing powered by renewable energy (solar photovoltaic and wind) and other energy sources; development and application of microgrids; development of systems for power supply based on the organic Rankine cycle (ORC) and on biofuels’ deployment for power production
Special Issues, Collections and Topics in MDPI journals
Dr. Christos-Spyridon Karavas

E-Mail Website
Guest Editor
Department of Natural Resources Development and Agricultural Engineering, School of Environment and Agricultural Engineering, Agricultural University of Athens, 75 Iera Odos Street, 11855 Athens, Greece
Interests: microgrids; electric vehicles; renewable energy; decentralized energy management system; multi-agent systems; smart grids; computational intelligence approaches; energy management and control of energy systems
Special Issues, Collections and Topics in MDPI journals
Dr. George Kyriakarakos

E-Mail Website
Guest Editor
Department of Natural Resources Development and Agricultural Engineering, School of Environment and Agricultural Engineering, Agricultural University of Athens, 75 Iera Odos Street, 11855 Athens, Greece
Interests: renewable energy; energy efficiency; rural industrialization and climate change mitigation; utilization of artificial intelligence approaches for the design, sizing, management and control of complex energy systems, as well as for developing decision support systems for energy policy planning and climate change mitigation; technical and regulatory issues concerning renewables, energy efficiency and rural electrification
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue of Electronics, entitled “Advances in Renewable Energy and Electricity Generation”, seeks to elucidate the significant advancements in renewable energy technologies and their integration into the broader electricity generation ecosystem. This Issue will serve as a repository of pioneering research articles and reviews that highlight innovative methodologies, technological enhancements, systemic optimizations, and emerging concepts. Through this comprehensive exploration, this Special Issue aims to propel the sector towards a more sustainable, resilient, and interconnected energy future.

Central to this discussion is the examination of evolving renewable energy technologies and systems encompassing solar, wind, hydropower, geothermal, and other renewable resources. Concurrently, this Issue will delve into the realm of distributed generation and microgrids, exploring how these decentralized systems can enhance energy accessibility, reliability, and sustainability, especially in remote and underserved regions. Furthermore, we intend to undertake an insightful exploration of the supergrid concept, elucidating the transformative potential of interconnected transmission grids via high-voltage direct current (HVDC) lines. This discussion will encompass operational, technical, and regulatory challenges and opportunities, aiming to foster a deeper understanding of how the integration of renewables can enhance cross-border energy trade, optimize renewable energy utilization, and bolster regional energy security. Additionally, this Issue will also address advancements in grid modernization, energy storage solutions, and intelligent management systems pivotal to harmonizing the integration of renewable energy sources into existing and evolving power infrastructures. This publication will also shed light on the broader implications of these advancements in terms of rural electrification, energy security, and climate change mitigation. By reducing the carbon footprint of the electricity generation sector, these innovations contribute significantly towards global Sustainable Development Goals.

Inviting contributions from academia, industry, and policy circles, this Issue aims to foster a multidisciplinary dialogue to bridge the theoretical and practical divides. We endeavor to showcase high-quality research with the potential to underpin policy formulation, industrial innovation, and academic inquiry in the realm of renewable energy and electricity generation. Through this scholarly endeavor, we aim to spur further research, collaboration, and innovation, edging the global community closer to an energy-secure and sustainable future.

Prof. Dr. Georgios Papadakis
Dr. Christos-Spyridon Karavas
Dr. George Kyriakarakos
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 submissions that pass pre-check are 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. Electronics 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 2400 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

  • renewable energy technologies
  • distributed generation
  • smart grids
  • microgrids
  • energy storage
  • HVDC and UHV transmission
  • power system monitoring, protection, and control
  • transmission and distribution system dynamic modeling
  • grid monitoring and advanced metering infrastructures
  • system integration of distributed energy resources, islanding, and hosting capacity
  • voltage control, and stability
  • artificial intelligent applications to power systems

Published Papers (2 papers)

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Research

17 pages, 4420 KiB  
Article
A Proportional-Integral-Resonant Current Control Strategy for a Wind-Driven Brushless Doubly Fed Generator during Network Unbalance
by Defu Cai, Haiguang Liu, Sheng Hu, Guanqun Sun, Erxi Wang and Jinrui Tang
Electronics 2024, 13(9), 1616; https://doi.org/10.3390/electronics13091616 - 23 Apr 2024
Viewed by 212
Abstract
This article proposes a proportional-integral-resonant (PIR) current control strategy for a wind-driven brushless doubly fed generator (WDBDFG) during network unbalance. Firstly, four control objectives of WDBDFG, including eliminating unbalanced currents of power winding (PW), pulsations of control winding (CW) currents, torque, and PW [...] Read more.
This article proposes a proportional-integral-resonant (PIR) current control strategy for a wind-driven brushless doubly fed generator (WDBDFG) during network unbalance. Firstly, four control objectives of WDBDFG, including eliminating unbalanced currents of power winding (PW), pulsations of control winding (CW) currents, torque, and PW power, are discussed and different from current controls in which the references to PW currents were computed; the CW current references are derived here. Then, an improved CW current controller using a PIR controller is proposed to achieve different control objectives. In contrast with current controls, CW currents are not involved with sequence extraction in the proposed control and can be totally regulated only in a positive synchronous reference frame. Hence, the system control structure is greatly simplified, and dynamic characteristics are improved. Furthermore, in order to obtain completely decoupled control of current and average power, feedforward control, considering all the couplings and perturbances, is also applied in CW current loops. Simulation results for a 2 MW grid-connected WDBDFG show that the proposed control is capable of achieving four control objectives, including canceling CW current distortion, PW current unbalance, pulsations of PW active power or pulsations of reactive power, and machine torque. Its dynamic process is much more smoothly and quickly than that of current controls, and therefore the proposed control has better dynamic control characteristics during network unbalance. Full article
(This article belongs to the Special Issue Advances in Renewable Energy and Electricity Generation)
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21 pages, 7312 KiB  
Article
Cyber-Resilient Converter Control System for Doubly Fed Induction Generator-Based Wind Turbine Generators
by Nathan Farrar and Mohd. Hasan Ali
Electronics 2024, 13(3), 492; https://doi.org/10.3390/electronics13030492 - 24 Jan 2024
Viewed by 773
Abstract
As wind turbine generator systems become more common in the modern power grid, the question of how to adequately protect them from cyber criminals has become a major theme in the development of new control systems. As such, artificial intelligence (AI) and machine [...] Read more.
As wind turbine generator systems become more common in the modern power grid, the question of how to adequately protect them from cyber criminals has become a major theme in the development of new control systems. As such, artificial intelligence (AI) and machine learning (ML) algorithms have become major contributors to preventing, detecting, and mitigating cyber-attacks in the power system. In their current state, wind turbine generator systems are woefully unprepared for a coordinated and sophisticated cyber attack. With the implementation of the internet-of-things (IoT) devices in the power control network, cyber risks have increased exponentially. The literature shows the impact analysis and exploring detection techniques for cyber attacks on the wind turbine generator systems; however, almost no work on the mitigation of the adverse effects of cyber attacks on the wind turbine control systems has been reported. To overcome these limitations, this paper proposes implementing an AI-based converter controller, i.e., a multi-agent deep deterministic policy gradient (DDPG) method that can mitigate any adverse effects that communication delays or bad data could have on a grid-connected doubly fed induction generator (DFIG)-based wind turbine generator or wind farm. The performance of the proposed DDPG controller has been compared with that of a variable proportional–integral (VPI) control-based mitigation method. The proposed technique has been simulated and validated utilizing the MATLAB/Simulink software, version R2023A, to demonstrate the effectiveness of the proposed method. Also, the performance of the proposed DDPG method is better than that of the VPI method in mitigating the adverse impacts of cyber attacks on wind generator systems, which is validated by the plots and the root mean square error table found in the results section. Full article
(This article belongs to the Special Issue Advances in Renewable Energy and Electricity Generation)
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