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Recent Advances in Electrical Power and Energy Systems

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Electrical, Electronics and Communications Engineering".

Deadline for manuscript submissions: closed (1 July 2023) | Viewed by 2004

Special Issue Editors


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Guest Editor
School of Electrical Engineering, China University of Mining and Technology, Xuzhou 221116, China
Interests: integrated energy system; power system automation; state estimation

E-Mail Website
Guest Editor
School of Electrical Engineering, China University of Mining and Technology, Xuzhou 221116, China
Interests: smart grid; integrated energy system planning and operation

Special Issue Information

Dear Colleagues,

Modern electric power and energy systems are undergoing a transition from unidirectional power supply patterns to multi-energy and multi-link collaboration. The developments of renewable energy sources and the integration of heterogeneous energies have further accelerated the revolution of energy structure and operational mode, which is considered an effective way to resolve the global energy crisis and reduce carbon emissions. This revolution is affecting and integrating various types of energy production and energy supply networks and consumption and is leading to the coordination of distributed energy systems at various scales from national, regional, urban, and community to buildings. This triggers the need for advanced power system and energy system structure designs, energy resource integration, and promising techniques in real-world applications.

Therefore, this Special Issue is intended for the presentation of new ideas, advanced theories, and experimental results in the field of modern energy system planning, operation scheduling, resilience enhancement, and multi-energy market architecture design, service, and theory in practical uses. Topics of interest for this Special Issue include, but are not limited to, the following:

  • Aggregation schemes for DERs and energy storage units.
  • Flexible demand-response schemes to simulate the participation in energy systems.
  • Artificial intelligence applications in energy systems.
  • State estimation techniques in electric power and energy systems.
  • Protection and fault location in distribution networks.
  • Resilience and robust operation of energy systems.
  • Distributed multi-energy trading, market mechanisms, and business models.
  • Decarbonization technologies and approaches to IES planning and operation.

Prof. Dr. Rui Liang
Dr. Chaoxian Lv
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. Applied Sciences 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

  • smart grid
  • integrated energy systems
  • resilient energy systems
  • optimal planning
  • operational scheduling
  • multi-energy market mechanism

Published Papers (1 paper)

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Research

12 pages, 3468 KiB  
Article
An Improved High-Resistance Fault Detection Method in DC Microgrid Based on Orthogonal Wavelet Decomposition
by Liuming Jing, Tong Zhao, Lei Xia and Jinghua Zhou
Appl. Sci. 2023, 13(1), 393; https://doi.org/10.3390/app13010393 - 28 Dec 2022
Cited by 1 | Viewed by 1209
Abstract
High-resistance faults in direct current (DC) microgrids are small and thus difficult to detect. Such faults may be “invisible” in that grid operation continues for a considerable time, which damages the grid. It is essential to detect and remove high-resistance faults; we present [...] Read more.
High-resistance faults in direct current (DC) microgrids are small and thus difficult to detect. Such faults may be “invisible” in that grid operation continues for a considerable time, which damages the grid. It is essential to detect and remove high-resistance faults; we present a detection method herein. First, the transient DC current during the fault is subjected to hierarchical wavelet decomposition to identify high-resistance faults accurately and sensitively; the wavelet coefficients are detected using the singular value decomposition (SVD) method. The SVD valve can denoise the dc microgrid fault current, which eliminates the influence of converter switching frequency and background noise effectively. Power system computer-aided design (PSCAD)/electromagnetic transients including direct current (EMTDC)-based simulations showed that our method successfully identified high-resistance faults. Full article
(This article belongs to the Special Issue Recent Advances in Electrical Power and Energy Systems)
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