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Efficient Motion Drive Systems and Wind Energy Generating Units with Electrical Machines for Sustainability

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 (30 September 2023) | Viewed by 3776

Special Issue Editor

School of Electrical and Computer Engineering, National Technical University of Athens, 15773 Athens, Greece
Interests: electrical machines; electric motor drives and motion control; special motors and micromotors; renewable energy generating systems; control systems; robotics and automation; health and safety at work; engineering in medicine and biology; biocomputing; engineering management; engineering education; women in engineering and science

Special Issue Information

Dear Colleagues,

As the Guest Editor, I am inviting you to submit papers to a Special Issue of Energies on the subject of “Efficient Motion Drive Systems and Wind Energy Generating Units with Electrical Machines for Sustainability”.

In their modern form, electrical machines have attracted the attention of investigators since the early 80s. Based on the appearance of successful publications in highly quoted international journals, double-fed electrical machines have become one of the preferences of energy industries, as double-output electric generators in wind energy systems and as efficient saving double-fed motors in the heavy energy industry. The use of double-fed motors in heavy industry installations is a very efficient solution because of their capability to recover a significant percentage of unused and dissipated electric power. On the other hand, due to their ability to work as generators at a wide range of variable wind speeds, they have become part of most basic configurations in renewable energy systems, autonomous, isolated, or grid interconnected.

During the last few decades, many remarkable works have appeared, in specialized topics such as new control techniques, involving new software and hardware modules and a wide range of applications with increased benefits. More recently, the entrance of internet-based control created many new perspectives of applications, such as in remote areas, or reducing the physical presence of human beings in dangerous environments.

Renewable energy sources have been integrated into the grids locally and on a larger scale power industry. According to new sustainability targets, an unfluctuating larger share of renewable energy generation should be reached in the near-term years. Thus, marine energy can be a source to balance the grid during the variability of renewable wind and solar energy.

Other challenges include the safety and technical capacity of offshore renewable energy infrastructures, modules development for efficient power transmission, propulsion and transportation, their applicability to new specific technologies, and hybrid solutions with economic aspects.

The issue of sustainable applications is attracting attention to ensure access to affordable, reliable, and modern energy, build robust infrastructures, and promote innovation and inclusive industrialization. In this context, the roles of electrical machines are decisive.

This Special Issue will focus on novel solutions and research trends devoted to electrical machines for sustainability in energy generation, motion, conversion, use, control, storage, recovery, economics, and management.

You are kindly invited to submit original contributions, including, but not limited to the following keywords.

Prof. Dr. Maria G. Ioannides
Guest Editor

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. 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

  • Double-fed electrical machines, motors, and generators
  • Special electrical machines
  • Linear electrical machines
  • Industrial and special applications
  • Electrical propulsion and transportation
  • High performance and high-efficiency electric drives
  • Energy recovery and harvesting
  • Energy efficiency for residential, commercial, and industrial applications
  • Renewable energy sources and systems RESS
  • Wind, solar, biomass, geothermy, marine, ocean, tidal, hydrogen-generating units, and energy systems
  • Electrical energy storage systems
  • Autonomous and Isolated systems
  • Hybrid systems
  • Power quality harmonics
  • Modeling, simulation, control, and optimization of energy systems
  • Multi-objective optimization of electric drives and generators
  • Monitoring, maintenance, diagnostics, fault detection, reliability, and safety
  • Management of industrial and energy systems
  • Sensors, grids, smart grids, and applications
  • Energy trading and economic aspects
  • IoT-based energy industrial and generating systems
  • Heterogeneous networks for efficient IoT systems
  • Energy engineering education

Published Papers (2 papers)

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Research

22 pages, 4540 KiB  
Article
Integrated Economic Optimization of Hybrid Thermosolar Concentrating System Based on Exact Mathematical Method
by Stylianos A. Papazis
Energies 2022, 15(19), 7019; https://doi.org/10.3390/en15197019 - 24 Sep 2022
Cited by 8 | Viewed by 1011
Abstract
This article presents an integrated approach for solving the optimization of economic dispatch and commitment EDC problems of hybrid thermosolar concentrating power generating systems using matrix mathematics. The model uses matrices, and is solved by matlab programming. The study case of a hybrid [...] Read more.
This article presents an integrated approach for solving the optimization of economic dispatch and commitment EDC problems of hybrid thermosolar concentrating power generating systems using matrix mathematics. The model uses matrices, and is solved by matlab programming. The study case of a hybrid thermosolar system in the north-west of Greece shows the impact of concentrating solar power (CSP) generation on the optimal cost of energy produced: the CSP system increases the operational costs as compared to the fossil fuel thermal systems. To acquire the benefits of cleaner electric energy with diminished emissions versus the minimal cost of electrical energy generation belongs to multicriteria managerial decisions. This approach can be applied to hybrid energy systems with large numbers of thermal and CSP generators. It offers an accurate instrument to energy engineers and researchers, for critical managerial decisions regarding electrical energy economics. Full article
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26 pages, 3346 KiB  
Article
State Transitions Logical Design for Hybrid Energy Generation with Renewable Energy Sources in LNG Ship
by Michael E. Stamatakis and Maria G. Ioannides
Energies 2021, 14(22), 7803; https://doi.org/10.3390/en14227803 - 22 Nov 2021
Cited by 8 | Viewed by 2149
Abstract
In terms of energy generation and consumption, ships are autonomous and isolated power systems with energy requirements related to the type and kind of power demands and according to ship types: passenger ships, or commercial ships. Power supply on ships is traditionally based [...] Read more.
In terms of energy generation and consumption, ships are autonomous and isolated power systems with energy requirements related to the type and kind of power demands and according to ship types: passenger ships, or commercial ships. Power supply on ships is traditionally based on engines thermal generators, which use fossil fuels, diesel, or natural gas. Due to the continuous operation of thermal generators in ships, this ends up increasing polluting gas emissions for the environment, mainly CO2. A combination of Renewable Energy Sources (RES) with traditional ship thermal engines can reduce CO2 emissions, resulting in a ‘greener’ interaction between ships and the environment. Due to the varying power needs for ship operation, considering the varying nature of load demands during long distance travels and during harbor entry, the use of RES must be evaluated. This paper presents a new control method to balance LNG ship load demands and power generation from RES, based on an accurate model and solution in real conditions. The Energy Management System (EMS) is designed and implemented in a Finite State Machine structure using the logical design of state transitions. The results prove that the reduction of consumption of fossil fuels is feasible, and, if this is combined with RES, it reduces CO2 emissions. Full article
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