Advanced Technologies in Electrical and Electronic Engineering, 4th Edition

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

Deadline for manuscript submissions: 31 August 2026 | Viewed by 504

Special Issue Editors


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Guest Editor
School of Electrical Engineering, Shandong University, Jinan 250002, China
Interests: renewable energy integration and utilization; flexible DC transmission system; DC grid; smart distribution network; integrated energy system
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Key Laboratory of Power System Intelligent Dispatch and Control of Ministry of Education, School of Electrical Engineering, Shandong University, Jinan 250061, China
Interests: fault analysis and identification of smart distribution networks; protection of active distribution networks; power transformer condition assessment; optimal dispatch of integrated energy system
Special Issues, Collections and Topics in MDPI journals
School of Electrical Engineering, Shandong University, Jinan 250002, China
Interests: renewable energy integration; high-power converters; mathematical modelling; HVDC technology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are delighted to inform you that, after the successful launch of the third edition of the Special Issue on “Advanced Technologies in Electrical and Electronic Engineering”, the fourth edition is now open for submissions.

The electrical power system can be regarded as a comprehensive symmetrical system of power generation and consumption. However, it now faces numerous unprecedented threats and challenges, including the urgent demand for low-carbon energy, the uncertainty of renewable power integration, severe natural disasters, and rising energy costs. In particular, the increasing penetration of distributed energy resources and power converters has intensified the issue of asymmetry in distribution networks.

To achieve an affordable, clean, safe, stable, and resilient power supply—and to address asymmetrical problems—several emerging technologies are being developed. These include, but are not limited to, the integrated energy system (IES), smart distribution network (SDN), multilevel high-power converter (MHPC), advanced power system protection technology (APSP), direct current transmission and distribution techonology (DCTD), panoramic situation awareness (PSA), and high-voltage insulation technology (HVI).

The planned Special Issue of Symmetry aims to highlight the importance of innovative ideas and cutting-edge research in these areas. We believe there are numerous opportunities for applying new techonologies to address the challenges faced by conventional electrical systems. We warmly invite scholars to submit their research articles contributing to this dynamic field.

Prof. Dr. Kejun Li
Dr. Yongliang Liang
Dr. Zhijie Liu
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 250 words) can be sent to the Editorial Office for assessment.

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. Symmetry is an international peer-reviewed open access monthly 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 integration
  • power system symmetric operation
  • three-phase asymmetry

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Published Papers (1 paper)

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Research

19 pages, 2960 KB  
Article
An Optimal Capacity Configuration Method for a Renewable Energy Integration-Transmission System Considering Economics and Reliability
by Zhicheng Sha, Canyu Cui, Zhuodi Wang, Fei Yu, Shujian Yin, Zhishuo Yang, Chuanyu Cao, Xiaohan Huang and Zhijie Liu
Symmetry 2025, 17(11), 1880; https://doi.org/10.3390/sym17111880 - 5 Nov 2025
Viewed by 395
Abstract
Integrated Energy Transmission Systems (IETSs) are essential to bridge the geographical gap between where energy is produced and where it is needed, transporting power from resource-rich regions to distant load centers. The fundamental challenge is to resolve the inherent asymmetry between an intermittent [...] Read more.
Integrated Energy Transmission Systems (IETSs) are essential to bridge the geographical gap between where energy is produced and where it is needed, transporting power from resource-rich regions to distant load centers. The fundamental challenge is to resolve the inherent asymmetry between an intermittent power supply and distant load demand. Conventional approaches, focusing only on capacity, fail to address this issue while achieving an effective economic and reliable balance. To address the concerns above, a bilevel optimization framework is proposed to optimize the capacity configuration of IETSs, including wind power, photovoltaic (PV), thermal power, and pumped storage. The optimal capacity of wind and PV is determined by the upper-level model to minimize electricity price, whereas the lower-level model optimizes the system’s operational dispatch for given configuration to minimize operational expenses. A detailed IETS model is also developed to accurately capture the operational characteristics of diverse power sources. Furthermore, the proposed model integrates carbon emission costs and High-Voltage Direct Current (HVDC) utilization constraints, thereby allowing for a comprehensive assessment of their economic efficiency and reliability for capacity configuration. Case studies are conducted to verify the proposed method. The results show that the capacities of wind and PV are optimized, and the electricity costs of IETSs are minimized while satisfying reliability constraints. Full article
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