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Dear Colleagues,

In today's world, the feeling of scarcity is increasingly prevalent across all sectors of our society. However, this sensation becomes particularly acute when we focus on the electrical sector. The relentless growth in electricity demand, coupled with the significant constraints of traditional energy generation methods reliant on large power plants, has created a challenging situation. Additionally, the imperative to reduce greenhouse gas emissions has intensified the need for a comprehensive response, one that necessitates the collective efforts of the scientific community to establish an efficient, sustainable, and environmentally friendly electrical system.

In this Special Issue, we will explore these challenges in depth and provide technical solutions that can contribute to the establishment of a resilient and eco-friendly electrical infrastructure. Given recent years' political instability, which has resulted in significant economic challenges, the solutions presented in this Special Issue will prioritize the efficient utilization of existing resources. Consequently, the aim is to create an electrical system that is both reliable and cost-effective.

Technical Committee Member
Name: Javier Jimenez-Ruiz
Affiliation: Renewable Energy Research Institute and DIEEAC-ETSII-AB, Universidad de Castilla-La Mancha, 02006 Albacete, Spain
Email: [email protected]
Homepage: https://www.javierruizjimenez.com/
Research Interests: power system operation with large amounts of variable renewable generation; design and modelling of wind farms and wind turbines

You may choose our Joint Special Issue in Electricity.

Dr. Emilio Gomez-Lazaro
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. 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

grid integration
power system reliability
power system management
renewable energy
power electronics applied to power systems

Published Papers (2 papers)

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Research

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35 pages, 1070 KiB

Open AccessArticle

Modeling of Induction Motors and Variable Speed Drives for Multi-Domain System Simulations Using Modelica and the OpenIPSL Library

by Fernando Fachini, Marcelo de Castro, Tetiana Bogodorova and Luigi Vanfretti

Electronics 2024, 13(9), 1614; https://doi.org/10.3390/electronics13091614 - 23 Apr 2024

Viewed by 385

Abstract

This paper introduces an innovative method for characterizing, implementing, and validating both three-phase and single-phase induction motor models, accompanied by a variable speed drive model. The primary goal is to investigate interactions between the electrical power grid and other dynamic domains (e.g., thermofluidic) that impact motor/load drive behavior. Our approach involves establishing a mechanical interface based on a physically meaningful equation linking motor torque/speed to the electrical model in the phasor domain. This allows seamless integration of diverse domain subsystems into a unified multi-domain model using Modelica v4.0.0 and the OpenIPSL library v3.0.1, overcoming co-simulation limitations. The proposed model, which requires only one Modelica-compliant tool for simulation, introduces additional dynamics through the mechanical interface, enabling explicit simulation of load disturbances based on constitutive physics. This deepens our understanding of dynamic interactions between the electrical power domain and other subsystems connected through the motor. We detail the modeled components using mathematical equations and textual descriptions, emphasizing the Modelica modeling approach. Simulation examples validate the implementation, demonstrating the multi-domain modeling capabilities of the newly developed components. Full article

(This article belongs to the Special Issue Planning, Operation and Control of Power Systems with Large Amounts of Variable Renewable Generation)

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Review

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27 pages, 3614 KiB

Open AccessReview

Critical Review on the Sustainability of Electric Vehicles: Addressing Challenges without Interfering in Market Trends

by Sergi Obrador Rey, Lluc Canals Casals, Levon Gevorkov, Lázaro Cremades Oliver and Lluís Trilla

Electronics 2024, 13(5), 860; https://doi.org/10.3390/electronics13050860 - 23 Feb 2024

Viewed by 875

Abstract

The primary focus in electrifying the transportation sector should be sustainability. This can be effectively attained through the application of the seven eco-efficiency principles, which constitute the global standard for assessing the sustainability of products. Consequently, this framework should guide the development of current electric vehicle designs. The first section of the present article assesses the alignment of the automotive industry with these sustainability requirements. Results show that even though the electric vehicle promotes the use of cleaner energy resources, it falls short of adhering to the remaining principles. The implementation of advanced models in battery management systems holds great potential to enhance lithium-ion battery systems’ overall performance, increasing the durability of the batteries and their intensity of use. While many studies focus on improving current electric equivalent models, this research delves into the potential applicability of Reduced-Order Model techniques for physics-based models within a battery management systems context to determine the different health, charge, or other estimations. This study sets the baseline for further investigations aimed at enhancing the reduced-order physics-based modeling field. A research line should be aimed at developing advanced and improved cell-state indicators, with enhanced physical insight, for various lithium-ion battery applications. Full article

(This article belongs to the Special Issue Planning, Operation and Control of Power Systems with Large Amounts of Variable Renewable Generation)

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