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Electronics
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Emerging Applications of Power Electronic Converters and Operation Algorithms of...
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Emerging Applications of Power Electronic Converters and Operation Algorithms of Microgrids and Smart Grids

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Power Electronics".

Deadline for manuscript submissions: closed (15 January 2024) | Viewed by 1201

Special Issue Editors

Prof. Dr. Joon-Ho Choi

E-Mail Website
Guest Editor
Department of Electrical Engineering, Chonnam National University, Gwangju 500-757, Republic of Korea
Interests: power system; smart grid; micro grid; renewable energy resources; power electronic applications for power grid
Special Issues, Collections and Topics in MDPI journals
Dr. Sang-Yun Yun

E-Mail Website
Guest Editor
Department of Electrical Engineering, Chonnam National University, Gwangju 500-757, Republic of Korea
Interests: power system; smart grid; microgrid; operation system; AD/DC network protection
Dr. Duy Truong Duong

E-Mail Website
Guest Editor
Department of Electrical and Computer Engineering, Wayne State University, Detroit, MI 48202, USA
Interests: power converters for renewable energy systems and electric vehicles
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Smart grid technology enables the energy industry to achieve greater reliability, availability, and efficiency. During the transition period, it will be critical to carry out testing, technology improvements, development of new standards and regulations, and information sharing between projects to ensure that the benefits we envision from the smart grid become a reality. In the microgrids and smart grid, either connected to the distribution network or a local load, the key components in the power conversion process are power electronic converters. In order to smoothly transform existing power grids into a more flexible microgrids and smart grids, it is necessary to develop new power electronic converter technology and to upgrade the operational algorithms which include them.

This Special Issue invites original research and review papers to explore new applications of power electronic converters and operation algorithms to microgrids and the smart grid. Additionally, authors are encouraged to submit papers addressing the state of the art and recent advancements in the mentioned research areas to provide useful guidelines for future research directions.

Topics to be addressed in this Special Issue include, but are not limited to, the following:

  • Energy conversion technologies for renewable energy resources;
  • Energy conversion technologies for AC/DC microgrids and smart grids;
  • New topologies and control method for power converters applied to microgrids;
  • Bidirectional DC/DC converters in DC microgrids;
  • Renewable isolated microgrids;
  • Power quality, reliability, and resilience of microgrids and smart grids;
  • Trends in power converters with wide bandgap devices;
  • Protection technologies for AD/DC microgrids and smart grids;
  • New operation technologies for AD/DC microgrids and smart grids.

Prof. Dr. Joon-Ho Choi
Dr. Sang-Yun Yun
Dr. Duy Truong Duong
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 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

  • renewable energy
  • microgrids
  • smart grids
  • power electronics
  • power conversion designs, modulation, and control
  • protection and operation

Published Papers (1 paper)

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Research

23 pages, 5419 KiB  
Article
Five-Port Isolated Bidirectional DC-DC Converter for Interfacing a Hybrid Photovoltaic–Fuel Cell–Battery System with Bipolar DC Microgrids
by Tahsin Koroglu, Elanur Ekici and M. Mustafa Savrun
Electronics 2024, 13(6), 1036; https://doi.org/10.3390/electronics13061036 - 10 Mar 2024
Viewed by 960
Abstract
This paper introduces a novel five-port, three-input, dual-output isolated bidirectional dc-dc converter (FPIBC) topology with an effective controller for power-sharing and voltage-balancing in bipolar dc microgrids (BPDCMGs). The proposed converter acts as the interface for the integration of a hybrid generation system comprising [...] Read more.
This paper introduces a novel five-port, three-input, dual-output isolated bidirectional dc-dc converter (FPIBC) topology with an effective controller for power-sharing and voltage-balancing in bipolar dc microgrids (BPDCMGs). The proposed converter acts as the interface for the integration of a hybrid generation system comprising a solid oxide fuel cell (SOFC), a photovoltaic (PV) system, and a battery into BPDCMGs. It employs a reduced number of circuit elements compared with similar multiport converter topologies suggested for BPDCMG applications. Symmetrical bipolar output voltages are ensured by a voltage-balancing circuit composed of a fully controlled switch and four diodes. The FPIBC is equipped with different controllers for output voltage regulation and balancing, power sharing, maximum power point tracking of the PV, the optimum operating region of the SOFC, and constant-current, constant-voltage charging of the battery. To verify the viability and effectiveness of the proposed system, a simulation model was developed with a 4.2 kW SOFC, a 3.7 kW PV, and a 140 V 10.8 Ah battery in MATLAB/Simulink. The performance of the FPIBC was evaluated through extensive case studies with different operational modes, including battery charge/discharge states and SOFC and PV parameter changes under varying load conditions. In addition, the proposed system was examined using a daily dynamic load profile. According to the simulation results, a peak efficiency of 97.28% is achieved and the voltage imbalance between the output ports is maintained below 0.5%. It is shown that the FPIBC has advantages over previous converters in terms of the number of ports, number of circuit elements, bipolar output voltage, bidirectional power flow, and efficiency. Full article
(This article belongs to the Special Issue Emerging Applications of Power Electronic Converters and Operation Algorithms of Microgrids and Smart Grids)
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