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Applied Sciences
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Advances in AC/DC Distribution Systems with High-Penetration of Renewable Energy
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Advances in AC/DC Distribution Systems with High-Penetration of Renewable Energy

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: 30 June 2025 | Viewed by 2506

Special Issue Editors

Dr. Qian Xiao

E-Mail Website
Guest Editor
School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China
Interests: distribution network; microgrid; multilevel converter; battery energy storage system
Special Issues, Collections and Topics in MDPI journals
Dr. Yu Jin

E-Mail Website
Guest Editor
School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China
Interests: distribution network; multilevel converters and their applications

Special Issue Information

Dear Colleagues,

With the high penetration of distributed renewable energy and increasing power loads, the uncertainty of sources and loads leads to increasingly significant shortages of electric power generations and supplies, which brings a serious challenge to the operating safety of the power distribution system. To overcome this issue, it is necessary to improve operation flexibility through the coordinated regulation of sources, loads, and energy storage systems. Therefore, this Special Issue is devoted to disseminating recent research efforts and developing AC/DC Distribution Systems with High-Penetration of Renewable Energy. Topics of research include but are not limited to the following:

  • Uncertainty modeling and the analysis of AC/DC distribution systems with high-penetration of renewable energy;
  • Optimal planning of AC/DC power distribution systems for the higher accommodation of renewable energy;
  • Optimal operation and interaction of multi-energy systems in AC/DC distribution systems;
  • Flexible operation and coordinated control of AC/DC distribution systems;
  • Multi-agent game modeling and theory in distribution systems;
  • Cloud-edge collaboration frameworks and their application in distribution systems;
  • Demand response modeling and strategies in distribution systems;
  • Stability analysis and control of AC/DC distribution systems with high-penetration of renewable energy;
  • Application of artificial intelligence (AI) and big data technologies for AC/DC distribution systems

Dr. Qian Xiao
Dr. Yu Jin
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

  • AC/DC distribution systems
  • renewable energy
  • operation flexibility

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Published Papers (2 papers)

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Research

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24 pages, 6146 KiB  
Article
Improving V2G Systems Performance with Low-Pass Filter and Fuzzy Logic for PV Power Smoothing in Weak Low-Voltage Networks
by Edisson Villa-Ávila, Paul Arévalo, Danny Ochoa-Correa, Juan Leonardo Espinoza, Esteban Albornoz-Vintimilla and Francisco Jurado
Appl. Sci. 2025, 15(4), 1952; https://doi.org/10.3390/app15041952 - 13 Feb 2025
Viewed by 678
Abstract
The rapid integration of photovoltaic (PV) energy into weak low-voltage networks presents significant challenges to grid stability and power quality, highlighting the need for effective power smoothing methods. This paper proposes and evaluates three fuzzy logic-enhanced power smoothing techniques—V2GGlide (low-pass filter), V2GSUN (moving [...] Read more.
The rapid integration of photovoltaic (PV) energy into weak low-voltage networks presents significant challenges to grid stability and power quality, highlighting the need for effective power smoothing methods. This paper proposes and evaluates three fuzzy logic-enhanced power smoothing techniques—V2GGlide (low-pass filter), V2GSUN (moving average filter), and V2GSmooth (ramp rate filter)—integrated with a lithium-ion battery energy storage system. The methods were tested under three distinct state-of-charge (SoC) conditions. Results show that V2GGlide achieved the highest variance reduction (22.24%) at high SoC levels, providing superior performance in mitigating power fluctuations and ensuring stable grid output. V2GSUN demonstrated consistent effectiveness, achieving variance reductions of up to 17.82% under low SoC conditions, making it well-suited for systems with intermediate storage availability. V2GSmooth exhibited balanced performance across all SoC levels, combining efficient energy delivery with reduced battery degradation, particularly at lower SoC levels. The proposed methods were validated under real-world conditions in a low-voltage microgrid laboratory connected to a public distribution network, confirming their practical applicability for enhancing PV energy integration and grid stability. Full article
(This article belongs to the Special Issue Advances in AC/DC Distribution Systems with High-Penetration of Renewable Energy)
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Review

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43 pages, 3011 KiB  
Review
A Review of Worldwide Strategies for Promoting High-Temperature Heat Pumps
by Angela Adamo, Helena Martín, Jordi de la Hoz and Joan Rubio
Appl. Sci. 2025, 15(2), 839; https://doi.org/10.3390/app15020839 - 16 Jan 2025
Viewed by 1223
Abstract
This paper provides a comprehensive overview of policies and incentives aimed at promoting high-temperature heat pumps (HTHPs) globally. It examines the various strategies employed by different countries to encourage the adoption of HTHPs, highlighting both the opportunities and the barriers encountered in these [...] Read more.
This paper provides a comprehensive overview of policies and incentives aimed at promoting high-temperature heat pumps (HTHPs) globally. It examines the various strategies employed by different countries to encourage the adoption of HTHPs, highlighting both the opportunities and the barriers encountered in these efforts. The analysis includes a review of financial incentives, regulatory measures, and technological initiatives designed to facilitate the integration of HTHPs into industrial applications. By describing different approaches across regions, this paper identifies best practices and potential pitfalls, offering a nuanced understanding of how different policy frameworks impact the deployment of HTHPs. Additionally, this paper explores the technological challenges that influence the effectiveness of these policies. The findings underscore the critical role of supportive policies in overcoming technical and economic barriers, ultimately fostering the widespread use of HTHPs as a viable solution for reducing industrial emissions and advancing global decarbonization goals. Furthermore, utilizing electricity from renewable energy sources (RESs), HTHPs can also contribute to grid stability by reducing electricity peaks. This aspect enhances the integration of RESs into the energy mix, creating a more resilient grid and optimizing energy consumption patterns in industrial applications. Full article
(This article belongs to the Special Issue Advances in AC/DC Distribution Systems with High-Penetration of Renewable Energy)
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