Special Issue "Power Electronic Applications to Electric Vehicles, Renewable Energy Sources and Energy Savings"

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "Electric Vehicles".

Deadline for manuscript submissions: 31 January 2021.

Special Issue Editors

Prof. Dr. Nick Papanikolaou
Website
Guest Editor
Department of Electrical and Computer Engineering, Democritus University of Thrace, 67132 Xanthi, Greece
Interests: power electronics; renewable energy sources; sustainable energy; (smart) microgrids; electrical transportation; energy saving; power quality
Special Issues and Collections in MDPI journals
Dr. Anastasios Kyritsis
Website
Guest Editor
Researcher, Centre for Renewable Energy Resources (C.R.E.S.)
Interests: power electronics; renewable energy sources; sustainable energy; (smart) microgrids; electrical transportation; energy saving; power quality
Special Issues and Collections in MDPI journals

Special Issue Information

Dear Colleagues,

As power electronics technology matures, its applications become essential to the transition towards greener, smarter, and sustainable development. In this context, recent advances in power electronics have contributed to the optimization of energy saving in all main industrial and social sectors (all-electric transportations, smart city concepts, renewable energy exploitation, energy saving applications, etc.). The aim of the present Special Issue is to attract original high-quality papers and review articles proposing advances in power electronics for electric vehicles, renewable energy sources, and energy savings. Major topics include but are not limited to the following:

  • New materials and methods for energy saving;
  • Efficient public transportation systems; all-electric vehicles, aircrafts, trains, and ships, electric vehicle charging strategies and techniques, and vehicle-to-grid (V2G);
  • (Smart) microgrids; grid-tied/standalone solutions, energy management;
  • Smart city concepts;
  • Energy harvesting for smart applications, wireless power transfer for distributed energy sources;
  • Dynamic features of power electronics interfaced energy saving applications;
  • Flexible and wide-band performance control schemes for energy saving applications;
  • Power electronic concepts for thermoelectric applications; heat recovery systems;
  • Power electronic systems for smart buildings and NZEBs;
  • Renewable energy conversion systems; design, modelling, control, and integration to modern power systems
  • Energy storage; batteries, fuel cells, supercapacitors, flywheels, and new trends and concepts.

Prof. Dr. Nick Papanikolaou
Dr. Anastasios Kyritsis
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. 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 1800 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 electronics
  • Energy saving
  • Renewable energy sources
  • Sustainable energy
  • Microgrids
  • Smart city concept
  • Electrical transportation
  • Electric vehicles
  • Power quality
  • Energy harvesting
  • Energy storage
  • Heat recovery
  • Thermoelectric applications

Published Papers (4 papers)

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Research

Open AccessArticle
Voltage Transients Mitigation in the DC Distribution Network of More/All Electric Aircrafts
Energies 2020, 13(16), 4123; https://doi.org/10.3390/en13164123 - 10 Aug 2020
Cited by 1
Abstract
The objective of this paper is to present a power conversion system, based on a bidirectional DC/DC converter, along with a supercapacitor bank, that mitigates the voltage transients that occur on the DC distribution network of More/All Electric Aircrafts. These transients, such as [...] Read more.
The objective of this paper is to present a power conversion system, based on a bidirectional DC/DC converter, along with a supercapacitor bank, that mitigates the voltage transients that occur on the DC distribution network of More/All Electric Aircrafts. These transients, such as voltage sags and swells appear on the DC buses of on-board microgrids, mainly due to load variations and are classified according to the aircrafts electric power system standards. First, we shortly describe an aircraft distribution network, that is applicable to the most common actual aircraft architectures, then we present the proposed system, along with the bidirectional DC/DC converter design, the control technique and the supercapacitor bank sizing. Finally, we present simulation and experimental results that support the effectiveness of the proposed system to effectively compensate voltage transients, supporting the DC buses in dynamic conditions. Concluding, the proposed system provides high power quality and compliance with the respective power quality standards for aircraft microgrids. Full article
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Open AccessArticle
Phase-Shift PWM-Controlled DC–DC Converter with Secondary-Side Current Doubler Rectifier for On-Board Charger Application
Energies 2020, 13(9), 2298; https://doi.org/10.3390/en13092298 - 06 May 2020
Abstract
A novel circuit topology for an on-board battery charger for plugged-in electric vehicles (PEVs) is presented in this paper. The proposed on-board battery charger is composed of three H-bridges on the primary side, a high-frequency transformer (HFT), and a current doubler circuit on [...] Read more.
A novel circuit topology for an on-board battery charger for plugged-in electric vehicles (PEVs) is presented in this paper. The proposed on-board battery charger is composed of three H-bridges on the primary side, a high-frequency transformer (HFT), and a current doubler circuit on the secondary side of the HFT. As part of an electric vehicle (EV) on-board charger, it is required to have a highly compact and efficient, lightweight, and isolated direct current (DC)–DC converter to enable battery charging through voltage/current regulation. In this work, performance characteristics of full-bridge phase-shift topology are analyzed and compared for EV charging applications. The current doubler with synchronous rectification topology is chosen due to its wider-range soft-switching availability over the full load range, and potential for a smaller and more compact size. The design employs a phase-shift full-bridge topology in the primary power stage. The current doubler with synchronous recitation is placed on the secondary. Over 92% of efficiency is achieved on the isolated charger. Design considerations for optimized zero-voltage transition are disused. Full article
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Open AccessArticle
Providing Ancillary Services with Wind Turbine Generators Based on DFIG with a Two-Branch Static Converter
Energies 2019, 12(13), 2490; https://doi.org/10.3390/en12132490 - 28 Jun 2019
Cited by 2
Abstract
This work aims to analyze and validate through mathematical modeling and experimental results, in a three-phase three-wire electrical system, the technical viability of a static power converter with a two-level topology with only two controlled branches (2L2B), operating as a grid-side converter (GSC) [...] Read more.
This work aims to analyze and validate through mathematical modeling and experimental results, in a three-phase three-wire electrical system, the technical viability of a static power converter with a two-level topology with only two controlled branches (2L2B), operating as a grid-side converter (GSC) in a wind turbine generator based on a doubly fed induction generator (DFIG). With this reduced-switches topology, the GSC is able to regulate the DC-link voltage level from the generator back-to-back converter and provide ancillary services of harmonic filtering and reactive power compensation from linear/nonlinear loads connected to the point of common coupling. An 8-kVA experimental prototype was implemented in the laboratory to validate the proposal. The prototype control system was realized using the dSPACE DS1103 PPC Controller Board platform programmed via MATLAB/Simulink. The effectiveness of the proposed system is verified by comparing the results obtained with the 2L2B topology to the ones with the usual two-level three-branch topology. Full article
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Open AccessArticle
Dynamic Modeling of Wind Turbines Based on Estimated Wind Speed under Turbulent Conditions
Energies 2019, 12(10), 1907; https://doi.org/10.3390/en12101907 - 18 May 2019
Cited by 9
Abstract
Large-scale wind turbines with a large blade radius rotates under fluctuating conditions depending on the blade position. The wind speed is maximum in the highest point when the blade in the upward position and minimum in the lowest point when the blade in [...] Read more.
Large-scale wind turbines with a large blade radius rotates under fluctuating conditions depending on the blade position. The wind speed is maximum in the highest point when the blade in the upward position and minimum in the lowest point when the blade in the downward position. The spatial distribution of wind speed, which is known as the wind shear, leads to periodic fluctuations in the turbine rotor, which causes fluctuations in the generator output voltage and power. In addition, the turbine torque is affected by other factors such as tower shadow and turbine inertia. The space between the blade and tower, the tower diameter, and the blade diameter are very critical design factors that should be considered to reduce the output power fluctuations of a wind turbine generator. To model realistic characteristics while considering the critical factors of a wind turbine system, a wind turbine model is implemented using a squirrel-cage induction motor. Since the wind speed is the most important factor in modeling the aerodynamics of wind turbine, an accurate measurement or estimation is essential to have a valid model. This paper estimates the average wind speed, instead of measuring, from the generator power and rotating speed and models the turbine’s aerodynamics, including tower shadow and wind shear components, without having to measure the wind speed at any height. The proposed algorithm overcomes the errors of measuring wind speed in single or multiple locations by estimating the wind speed with estimation error less than 2%. Full article
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