Pub Date : 2024-06-21DOI: 10.1109/MEI.2024.10568084
Zepeng Lv
The vacuum breakdown issue severely hinders the performance of vacuum electrical devices, such as vacuum interrupters, X-ray sources, fusion reactors, and particle accelerators [1]–[3]. In general, vacuum breakdown is initiated by thermal instability at the cathode or anode due to the electron emission current, which heats the protrusion itself or transfers kinetic energy to the anode. Then, the initial vapor and ion population could be produced by the atom evaporation due to extreme heating, induced by the field electron emission current. Due to the evaporated atoms, the gap pressure increases and the mean free path of electrons may become less than the gap distance, where avalanche ionization will occur and cause the plasma discharge. Thus, the dynamics of electron emission and the electrode's properties will determine the dielectric strength and insulation performance of the gap.
{"title":"Stories from China","authors":"Zepeng Lv","doi":"10.1109/MEI.2024.10568084","DOIUrl":"https://doi.org/10.1109/MEI.2024.10568084","url":null,"abstract":"The vacuum breakdown issue severely hinders the performance of vacuum electrical devices, such as vacuum interrupters, X-ray sources, fusion reactors, and particle accelerators [1]–[3]. In general, vacuum breakdown is initiated by thermal instability at the cathode or anode due to the electron emission current, which heats the protrusion itself or transfers kinetic energy to the anode. Then, the initial vapor and ion population could be produced by the atom evaporation due to extreme heating, induced by the field electron emission current. Due to the evaporated atoms, the gap pressure increases and the mean free path of electrons may become less than the gap distance, where avalanche ionization will occur and cause the plasma discharge. Thus, the dynamics of electron emission and the electrode's properties will determine the dielectric strength and insulation performance of the gap.","PeriodicalId":444,"journal":{"name":"IEEE Electrical Insulation Magazine","volume":"40 4","pages":"44-45"},"PeriodicalIF":2.6,"publicationDate":"2024-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10568084","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141439334","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-06-21DOI: 10.1109/MEI.2024.10566872
{"title":"Bulletin Board: Third Thematic School on Dielectrics","authors":"","doi":"10.1109/MEI.2024.10566872","DOIUrl":"https://doi.org/10.1109/MEI.2024.10566872","url":null,"abstract":"","PeriodicalId":444,"journal":{"name":"IEEE Electrical Insulation Magazine","volume":"40 4","pages":"59-59"},"PeriodicalIF":2.6,"publicationDate":"2024-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10566872","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141439452","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-06-21DOI: 10.1109/MEI.2024.10568086
In the first featured article in this issue, “Trends in Diagnostics and Monitoring of High-Voltage Insulation,” members of the IEEE DEIS Technical Committee on Diagnostics collaborated to highlight trends in the monitoring of high-voltage insulation. The article covers a wide range of applications from traditional power generation and transmission to emerging sectors such as transportation electrification.
在本期第一篇特写文章 "高压绝缘诊断和监测的趋势 "中，IEEE DEIS 诊断技术委员会的成员合作重点介绍了高压绝缘监测的趋势。文章涵盖了从传统发电和输电到交通电气化等新兴领域的广泛应用。
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Pub Date : 2024-06-21DOI: 10.1109/MEI.2024.10568079
The IEEE Dielectrics and Electrical Insulation Society (DEIS) has two DEIS-level technical awards that it bestows every two years. They are the highest-level IEEE technical awards in the dielectrics and electrical insulation field. DEIS President Davide Fabiani announced the winners of the 2024 awards in April. Prof. Yoshimichi Ohki is the 2024 Dakin Award recipient, and Prof. Yao Zhou is the 2024 Boggs Award recipient.
{"title":"Bulletin Board: 2024 Awards","authors":"","doi":"10.1109/MEI.2024.10568079","DOIUrl":"https://doi.org/10.1109/MEI.2024.10568079","url":null,"abstract":"The IEEE Dielectrics and Electrical Insulation Society (DEIS) has two DEIS-level technical awards that it bestows every two years. They are the highest-level IEEE technical awards in the dielectrics and electrical insulation field. DEIS President Davide Fabiani announced the winners of the 2024 awards in April. Prof. Yoshimichi Ohki is the 2024 Dakin Award recipient, and Prof. Yao Zhou is the 2024 Boggs Award recipient.","PeriodicalId":444,"journal":{"name":"IEEE Electrical Insulation Magazine","volume":"40 4","pages":"54-55"},"PeriodicalIF":2.6,"publicationDate":"2024-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10568079","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141439447","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-06-21DOI: 10.1109/MEI.2024.10568096
The IEEE Applied Power Electronics Conference (APEC) focuses on the practical and applied aspects of the power electronics business. This year it was held at Long Beach, California, on February 25–29, 2024, and a new industry session was introduced, “Topics in High-Voltage Components and Systems.” The session was chaired by Conor Quinn (PhD) of Advanced Energy and Fang Lou (PhD) of Stony Brook University. The session, which was held on Thursday morning, included the following six presentations:
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Pub Date : 2024-06-21DOI: 10.1109/MEI.2024.10568081
Glenn Behrmann;Detlev Gross;Michael Muhr
IEC 60270 is the horizontal standard covering conventional, charge-based partial discharge measurement and has just undergone substantial updates and revision throughout. This article presents a detailed summary of the changes made, together with some of the technical background behind them.
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Pub Date : 2024-06-21DOI: 10.1109/MEI.2024.10568085
B. Biswas;B. X. Du;M. Florkowski;T. Hammarström;M. D. Judd;W. Kołtunowicz;B. Kordi;M. Kuniewski;G. Ma;C. Pan;C. Park;A. K. Pradhan;L. Satish;G. Stone
This paper is a joint contribution from members of the IEEE DEIS Technical Committee for Diagnostics that highlights selected trends, challenges, and techniques in diagnostics and monitoring of high-voltage electrical insulation. Especially important are broad application areas including traditional generation, transmission and distribution, and renewable energy, along with emerging fields including new sectors in transportation electrification such as electromobility and electric aviation.
本文是 IEEE DEIS 诊断技术委员会成员共同撰写的论文，重点介绍了高压电气绝缘诊断和监测的部分趋势、挑战和技术。尤其重要的是包括传统发电、输配电和可再生能源在内的广泛应用领域，以及包括电动交通和电动航空等交通电气化新领域在内的新兴领域。
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Pub Date : 2024-06-21DOI: 10.1109/MEI.2024.10568080
Ashok Narayan Tripathi
The IEEE DEIS Student Branch Chapter Indian Institute of Technology Kanpur has completed its first year. Since its inauguration, we have been constantly promoting the motto of IEEE, “Advancing Technology for Humanity.” We have organized events throughout the year, which include webinars, expert talks, panel discussions, and social gatherings.
印度理工学院坎普尔分校 IEEE DEIS 学生分会已成立一年。自成立以来，我们一直在不断宣传 IEEE 的座右铭 "推动人类科技进步"。我们全年都在组织各种活动，包括网络研讨会、专家讲座、小组讨论和社交聚会。
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