Symmetry with IoT in Electrical Engineering

A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Computer".

Deadline for manuscript submissions: closed (15 April 2023) | Viewed by 2884

Special Issue Editors


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Guest Editor
Electrical Engineering Department, University of Jaen, Campus Las Lagunillas, s/n, 23071 Jaen, Spain
Interests: renewable energy; smart grids; microgrids; energy storage systems; hybrid electric systems; smart meter; power quality analyzers; IoT; LPWAN; electrical machines; energy efficiency
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Electrical Engineering Department, University of Jaen, Campus Las Lagunillas, s/n, 23071 Jaen, Spain
Interests: renewable energy; smart grids; microgrids; energy storage systems; hybrid electric systems; electric vehicles; smart meter; power quality analyzers; IoT; LPWAN; wireless sensor network
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Electrical and IoT-connected installations are part of future of electricity grids. This enables numerous operations to be performed within the power system. Electric power systems can be considered as symmetrical systems from energy supply to energy consumption, which must take into account the improvement of supply quality, reduction of carbon emissions, integration of renewable energy sources, increasing energy costs, etc.

In particular, the increase in distributed energy resources causes problems in distribution networks. To achieve a higher-quality and more stable power supply, electric power systems must address the problems of both symmetrical and asymmetrical power grids, where new technologies are incorporated, including sustainable energy generation systems, smart distribution grids, power system monitoring technologies, transmission systems, and DC distribution.

Networks and microgrids where distributed generation is integrated are also becoming more common. These networks can operate with alternating-current and direct-current buses. Therefore, it is necessary to develop in both types of networks.

The development of IoT devices is used in areas such as Industry 4.0, high- and low-voltage networks for the distribution of electrical energy, electrical plants with renewable energies (photovoltaic, wind, hydraulic, biomass, etc.), traditional electrical plants, electrical substations, transformation centers, homes, smart grids, street lights, electric vehicles, energy storage systems, etc.

Another important aspect of smart grids is the communication systems used to send information, among which LoRa grids stand out, as they allow data to be obtained from the electricity system at different points, with small energy consumptions, which makes the task more efficient.

Prof. Dr. Antonio Cano-Ortega
Prof. Dr. Francisco Sánchez-Sutil
Guest Editors

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Keywords

  • symmetry in power supply quality
  • symmetry in smart electric in Industry 4.0
  • symmetry in smart grids
  • symmetry in renewable energy plants: photovoltaic energy, wind energy, hydroelectric energy, biomass energy, and other renewable energy resources
  • monitoring with smart electric sensors in households
  • symmetry in street light systems
  • symmetry in electric vehicles
  • symmetry analysis of energy storage systems
  • symmetry analysis of power quality analyzers
  • wireless technologies: Wi-Fi, LoRa, etc.

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Published Papers (1 paper)

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Research

24 pages, 5587 KiB  
Article
Role of Power Converters in Inductive Power Transfer System for Public Transport—A Comprehensive Review
by Sooraj Varikkottil, Febin Daya John Lionel, Mohan Krishna Srinivasan, Sheldon Williamson, Ramani Kannan and Lila Iznita Izhar
Symmetry 2022, 14(3), 508; https://doi.org/10.3390/sym14030508 - 2 Mar 2022
Cited by 7 | Viewed by 3758
Abstract
IPT (inductive power transfer) charging is a highly flexible concept that allows for charging at any possible opportunity and is highly versatile for vehicles of all sizes. IPT wireless charging technology employs high-power inductive energy transfer between the components embedded into streets and [...] Read more.
IPT (inductive power transfer) charging is a highly flexible concept that allows for charging at any possible opportunity and is highly versatile for vehicles of all sizes. IPT wireless charging technology employs high-power inductive energy transfer between the components embedded into streets and the receiving equipment mounted below the vehicle. When the vehicle moves over the charging point, the contactless charging process is initiated between the components and the vehicle. In this work, the role of power converter topologies in IPT systems are studied for electric vehicle (EV) charging applications. Further, the predominant topologies are compared and analyzed in detail. The contingency in misalignment, loading and frequency shift are discussed for various converter topologies. The tolerance in misalignment poses serious challenges for wireless chargers in EVs. Therefore, there is currently a need to design a symmetric IPT system with multiple decoupled receiving coils. The significance of power inverter topologies for achieving resonance, as well as the generation of high-frequency supply, has been studied in detail. Experimental waveforms that are related to the explanations in this work are provided to substantiate the advantages regarding the converters. Full article
(This article belongs to the Special Issue Symmetry with IoT in Electrical Engineering)
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