Clean Energy Systems—Current State and Future Perspectives

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Energy Systems".

Deadline for manuscript submissions: 31 July 2025 | Viewed by 634

Special Issue Editors


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Guest Editor
College of Letters and Science, University of California, Berkeley, CA 94720, USA
Interests: energy economics; environmental economics; environmental impact assessment
Regional Rural Governance Institute, Hangzhou Open University (HZPT), Hangzhou 310402, China
Interests: political economics; environmental economics; energy economics; economic philosophy

Special Issue Information

Dear Colleagues,

The transition to clean energy systems is important for dealing with global challenges such as climate change and energy poverty. Nowadays, significant developments in clean energy systems are taking place, including advances in renewable energy generation, energy storage and grid integration. In addition, the adoption of hydrogen energy, advances in battery technology and the use of artificial intelligence in energy systems have played important roles in reducing environmental pollution and promoting sustainable development. Despite significant progress, the development of clean energy systems remains constrained by economic, political and technological issues. The best way to promote the development of clean energy systems in the future has gained the attention of many countries and people.

We invite you to contribute to the Special issue “Clean Energy Systems—Current State and Future Perspectives”. This Special Issue will support the development and transformation of clean energy systems. In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

  1. Clean energy use and consumption;
  2. Development of clean energy technologies;
  3. Clean energy transmission and conversion;
  4. Optimization of clean energy supply networks;
  5. Clean energy and economic policy;
  6. Clean energy and regional development.

Dr. Jiale Yan
Dr. Xiao Gu
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. Processes 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

  • clean energy use and consumption
  • development of clean energy technologies
  • clean energy transmission and conversion
  • optimization of clean energy supply networks
  • clean energy and economic policy
  • clean energy and regional development

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Published Papers (1 paper)

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Research

15 pages, 3940 KiB  
Article
Mechanical Characteristic Analysis of Interphase Spacers in Double-Circuit Lines Under Ice-Shedding Jump Conditions
by Feng Wang, Jiaxuan Ye, Tong Zhang and Zhangjun Liu
Processes 2025, 13(2), 591; https://doi.org/10.3390/pr13020591 - 19 Feb 2025
Viewed by 304
Abstract
To investigate the force characteristics of phase spacers during ice-shedding galloping of transmission lines, a comprehensive finite element model for double-circuit lines on the same tower was developed. The analysis focused on the spacers’ suppression effect on galloping and the variation in their [...] Read more.
To investigate the force characteristics of phase spacers during ice-shedding galloping of transmission lines, a comprehensive finite element model for double-circuit lines on the same tower was developed. The analysis focused on the spacers’ suppression effect on galloping and the variation in their axial force. A solid finite element model of phase spacers was constructed, incorporating suspension fittings, ball eye links, and composite insulators. By using the axial force time history under galloping as excitation, the deformation and stress distribution of phase spacers, as well as stress changes in their connection fittings, were studied. The results revealed that phase spacers significantly suppress galloping, with a more pronounced effect on middle-phase conductors. Axial force fluctuates sharply due to galloping, but stabilizes over time, approaching a limit value. The ice-shedding galloping phenomenon impacts stress distribution, with the ball eye link being more susceptible to fracture. Although the ball-and-socket connection at the composite insulator stem may experience high bending stress, the overall stress distribution meets safety requirements, ensuring safe and stable transmission line operation. Full article
(This article belongs to the Special Issue Clean Energy Systems—Current State and Future Perspectives)
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