Striving toward a Sustainable and More Electrified Future: The Role of Electrical Machines and Drives

A special issue of Machines (ISSN 2075-1702). This special issue belongs to the section "Electrical Machines and Drives".

Deadline for manuscript submissions: 28 February 2025 | Viewed by 572

Special Issue Editors


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Guest Editor
Department of Electronic Engineering, Higher Technical School of Engineering, Universidad de Sevilla, 41092 Sevilla, Spain
Interests: design of circuits for aircrafts and UAVs; DC/DC GaN converters for drones; low-voltage low-power analog circuit design; analog and mixed-signal designs
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Guest Editor
Department of Electronic Engineering, Higher Technical School of Engineering, Universidad de Sevilla, 41092 Sevilla, Spain
Interests: analog-to-digital and digital-to-analog conversion; sigma–delta modulators; electronic circuits and systems with application to control, aeronautics, and communications
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue, titled "Toward a Sustainable More Electrified Future: The Role of Electrical Machines and Drives", aims to explore the pivotal role of electrical machines and drives in advancing sustainability and electrification across various industries. As the world transitions towards a more electrified future to mitigate environmental impact and enhance energy efficiency, electrical machines and drives have played a crucial role in enabling this transition. This Special Issue provides a platform for researchers, engineers, and practitioners to showcase their latest findings, innovations, and insights related to the design, optimization, control, and application of electrical machines and drives for sustainable and electrified systems.

We invite you to submit your original work and review papers for publication in this Special Issue of Machines.

Topics of interest include, but are not limited to, the following:

  1. Design and Optimization: Novel designs, materials, and optimization techniques for enhancing the performance, efficiency, and sustainability of electrical machines and drives.
  2. Control Strategies: Advanced control algorithms, methodologies, and techniques used for improving the efficiency, reliability, and performance of electrified systems.
  3. Integration with Renewable Energy Sources: Strategies used for integrating electrical machines and drives with renewable energy sources (e.g., wind and solar) to enhance sustainability and promote renewable energy utilization.
  4. Energy Storage Systems: Applications of electrical machines and drives in energy storage systems (e.g., batteries and supercapacitors) for grid stabilization, load balancing, and renewable energy integration.
  5. Electrification of Transportation: Innovations in electrical machines and drives for electric vehicles, hybrid electric vehicles, and electrified transportation systems to reduce emissions and promote sustainable mobility.
  6. Industrial Applications: The application of electrical machines and drives in industrial processes, including manufacturing, automation, and robotics, to improve energy efficiency and sustainability.

Prof. Dr. Juana María Martínez-Heredia
Prof. Dr. Francisco Colodro Ruiz
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. Machines is an international peer-reviewed open access monthly 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

  • electrical machines
  • electric drives
  • electric vehicles
  • energy efficiency
  • sustainable industrial applications
  • renewable energy integration
  • energy storage systems

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Published Papers (1 paper)

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Research

22 pages, 5865 KiB  
Article
Dynamic Performance Analysis and Fault Ride-Through Enhancement by a Modified Fault Current Protection Scheme of a Grid-Connected Doubly Fed Induction Generator
by Rameez Akbar Talani, Ghulam Sarwar Kaloi, Aamir Ali, Muhammad Ali Bijarani, Ghulam Abbas, Mohammed Hatatah, Paolo Mercorelli and Ezzeddine Touti
Machines 2025, 13(2), 110; https://doi.org/10.3390/machines13020110 - 29 Jan 2025
Viewed by 264
Abstract
With the increase in reliance on doubly fed induction generator-based wind energy conversion systems (DFIG-WECSs), extracting maximum power from wind energy and enhancing fault ride-through (FRT) techniques meeting the grid code requirements is the foremost concern. This paper proposes a modified control scheme [...] Read more.
With the increase in reliance on doubly fed induction generator-based wind energy conversion systems (DFIG-WECSs), extracting maximum power from wind energy and enhancing fault ride-through (FRT) techniques meeting the grid code requirements is the foremost concern. This paper proposes a modified control scheme that operates in normal running conditions and during faults as a dual mode. The proposed control scheme operates in a coordinated wind speed estimation-based maximum power point tracking (WSE-MPPT) mode during normal running conditions to extract maximum power from wind energy and enhances the crowbar rotor active impedance-based FRT mode during faults. The proposed technique controls the rotor side converter (RSC) parameters during faults by limiting the transient surge in the rotor and stator currents. In this study, the transient behavior of the proposed technique is analyzed under a three-phase symmetrical fault with a severe voltage dip, and it is observed that, when the fault is over and the RSC is activated and connected to the system, a large inrush current is produced with transient oscillations; the proposed scheme suppresses this post-fault inrush current and limits the transient oscillation. During the FRT operating mode under a symmetrical fault, the simulation results of the proposed technique are validated by the conventional crowbar strategy. In contrast, during the WSE-MPPT operating mode under normal running conditions, a smooth achievement of system parameters after starting the inrush period to a steady state at fixed wind speed is observed. Full article
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