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Advanced Technology for Renewable Energy Systems
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Advanced Technology for Renewable Energy Systems

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "A: Sustainable Energy".

Deadline for manuscript submissions: closed (30 June 2023) | Viewed by 3541

Special Issue Editor

Dr. Jianning Yin

E-Mail Website
Guest Editor
School of Electrical Engineering, Xi’an University of Technology, Xi’an, China
Interests: optimization design and intelligence of high and low voltage switchgear; advanced interruption technology for DC circuit breakers; MHD simulation of switching arc; switching arc plasma and its applica

Special Issue Information

Dear Colleagues,

The 7th International Conference on Power Energy Systems and Applications (ICoPESA) in Nanjing, China, took place during February 24-26 2023. ICoPESA 2023 is co-sponsored by Nanjing University of Aeronautics and Astronautics and the Singapore Institute of Electronics, and hosted by Nanjing University of Aeronautics and Astronautics. It will feature contributed papers, the keynote and invited talks, special sessions, as well as parallel oral and poster sessions.

ICoPESA aims to collate an international community of researchers and practitioners in the field of power and electrical technology to present and discuss new research results and perspectives on future developments relevant to all areas of power and electrical technology, including power systems, smart grids, and electrical engineering and automation. The aim of the conference is to address challenges related to power and electrical technology, especially those faced throughout the world. This conference will also provide networking opportunities for establishing global collaborations toward developing suitable solutions for diverse applications and user groups in sustainable development. Selected peer-reviewed articles will be recommended for publication in the Special Issue ‘special issue title’ of the journal Energies (ISSN: 1996-1073), which is indexed in well-established databases/archives, e.g., SCIE, Ei Compendex, Scopus, etc.

Dr. Jianning Yin
Guest Editor

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. Energies 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 2600 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

  • development of new power system
  • relay protection for new power system
  • modeling and optimal scheduling for integrated energy systems
  • application of power electronic technology in power system
  • power distribution
  • insulation testing of power equipment
  • modeling and simulation of power equipment
  • digital and intelligent of power equipment digital monitoring system for power equipment
  • fault diagnosis of power equipment
  • DC interruption technology
  • improved performance of switchgear
  • operation strategy of AC-DC hybrid distribution network
  • grid-connected technology of new energy power generation
  • the integration technology of "Load-storage-transformation-network-detection"
  • low-frequency transmission technology of offshore wind power generation

Published Papers (2 papers)

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Research

12 pages, 7544 KiB  
Article
Analysis of Discharge Failure Mechanism of IGBT Power Modules
by Lu Xu, Kaixuan Li, Ziyue Yang and Xinyu Jiang
Energies 2023, 16(16), 6001; https://doi.org/10.3390/en16166001 - 16 Aug 2023
Cited by 1 | Viewed by 1452
Abstract
IGBT power modules are usually used as circuit-breaking components in power systems, and are widely used in solid-state DC circuit breakers, hybrid DC circuit breakers, all-electric aircraft, high-speed railways, new energy vehicles, and power transmission systems. In these systems, IGBT power modules are [...] Read more.
IGBT power modules are usually used as circuit-breaking components in power systems, and are widely used in solid-state DC circuit breakers, hybrid DC circuit breakers, all-electric aircraft, high-speed railways, new energy vehicles, and power transmission systems. In these systems, IGBT power modules are usually faced with extremely harsh working conditions and there is a failure risk. Insulation degradation should be a cause for concern as a potential path of power module failure. In this paper, the discharge phenomena of the IGBT power module were observed based on Intensified Charge Coupled Devices (ICCD), and the triple junctions composed of copper–ceramic–silicone gel inside IGBT were found as the discharge points. Furthermore, the directed bonded copper (DBC) ceramic filled with silicone gel was used as a test sample to study the discharge failure process, including the partial discharge (PD), surface charges, and electric trees. The mechanism of discharge failure is discussed and analyzed. The insulation degradation process is accompanied by phenomena such as severe partial discharge and rapid electric tree growth. This research provides support for the analysis idea and guidance of the research method for the cause of power module failure. Full article
(This article belongs to the Special Issue Advanced Technology for Renewable Energy Systems)
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12 pages, 7910 KiB  
Article
Study of Arc Interruption Characteristics under Rated Current in Low Voltage Circuit Breakers
by Qian Wang, Shiwei Ge, Weidong Cao, Shanshan Yu and Zijie Liao
Energies 2023, 16(10), 4114; https://doi.org/10.3390/en16104114 - 16 May 2023
Cited by 1 | Viewed by 1810
Abstract
The breaking capacity of rated current is one of the important indexes to evaluate the performance of circuit breakers, which is usually measured experimentally and cannot be analyzed in terms of the arcing characteristics of the opening process. Simulation methods based on the [...] Read more.
The breaking capacity of rated current is one of the important indexes to evaluate the performance of circuit breakers, which is usually measured experimentally and cannot be analyzed in terms of the arcing characteristics of the opening process. Simulation methods based on the magnetohydrodynamic (MHD) model of the arc can be used to obtain the macroscopic motion of the arc within the interrupter and the interaction of the arc with the contacts, walls, and splitter plates. Therefore, this paper focuses on the arc interruption characteristics’ underrated current in low voltage circuit breakers by MHD simulation. A more accurate and effective field-circuit coupling MHD simulation model of low voltage circuit breaker products is developed in this paper. A nonlinear conductivity model of the sheath layer is considered to better simulate the near-pole voltage drop and bending processes after the arc has been cut by the splitter. The time-dependent magnetic field generated by the arc is considered in the calculation. Additionally, the real-time parameters of the external circuit are coupled to reflect the evolution of the arc characteristics under the action of the external circuit. The simulation results intuitively and clearly show the evolution of the arc during the breaking process. Through this, an arc extinguishing chamber can be designed to effectively regulate the arc interruption characteristics, thereby improving the breaking capacity of the circuit breaker. The accuracy and efficiency of the proposed simulation method is verified by experiments. This method can be extended to the performance analysis of AC/DC low voltage circuit breakers. Full article
(This article belongs to the Special Issue Advanced Technology for Renewable Energy Systems)
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