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IEEE Electrical Insulation Magazine, a Publication of DEIS IEEE电气绝缘杂志，DEIS的出版物
IF 1.3 4区 工程技术
IEEE Electrical Insulation Magazine Pub Date : 2025-12-19 DOI: 10.1109/MEI.2026.11306320
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引用次数: 0
New Categories for Phase-Resolved Partial Discharge Pattern Classification 相位分辨局部放电模式分类的新类别
IF 1.3 4区 工程技术
IEEE Electrical Insulation Magazine Pub Date : 2025-12-19 DOI: 10.1109/MEI.2026.11306325
Alfredo Contin;Andrea Piccolo;Andrea Cavallini
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引用次数: 0
News from Japan 来自日本的新闻
IF 1.3 4区 工程技术
IEEE Electrical Insulation Magazine Pub Date : 2025-12-19 DOI: 10.1109/MEI.2026.11306327
Yoshimichi Ohki
{"title":"News from Japan","authors":"Yoshimichi Ohki","doi":"10.1109/MEI.2026.11306327","DOIUrl":"https://doi.org/10.1109/MEI.2026.11306327","url":null,"abstract":"In recent years, the development of CO2-free power generation has been progressing around the world to reach the goal of realizing a sustainable society. As an island nation surrounded by oceans, Japan has begun to promote the introduction of off-shore wind power generation. However, in many projects being planned, it is envisaged that large-scale offshore wind farms may be in areas away from major electricity consumption areas because of the restrictions of favorable wind and other conditions. To expand offshore wind power generation, we need to introduce a DC power transmission system with an excellent long-distance power transmission efficiency. Specifically, to increase the capacity of highly stable and efficient power transmission, it is desirable to introduce a DC power transmission system that connects via multiple terminals many offshore wind farms and power grids, transmitting power to demanding areas.","PeriodicalId":444,"journal":{"name":"IEEE Electrical Insulation Magazine","volume":"42 1","pages":"37-41"},"PeriodicalIF":1.3,"publicationDate":"2025-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11306327","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145778316","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}
引用次数: 0
Stories from China 来自中国的故事
IF 1.3 4区 工程技术
IEEE Electrical Insulation Magazine Pub Date : 2025-12-19 DOI: 10.1109/MEI.2026.11306296
Zepeng Lv
{"title":"Stories from China","authors":"Zepeng Lv","doi":"10.1109/MEI.2026.11306296","DOIUrl":"https://doi.org/10.1109/MEI.2026.11306296","url":null,"abstract":"Metal oxide varistors (MOV) with excellent nonlinear current density-electric field <tex>$(J-E)$</tex> characteristics are the key components of arresters, which are critical for protecting power systems against overvoltage. Metal oxide varistors inevitably undergo aging during their long-term service under continuous electrical stress, typically manifesting as degraded electrical performance such as declined nonlinear coefficient, decreased breakdown voltage, and increased leakage current. As shown in Figure 1, aging of conventional MOV leads to a monotonic increase in power loss, which finally triggers thermal runaway and serious failure. This classical aging behavior has been well described by the ion migration model proposed by Gupta and Carlson in 1985 [1], wherein mobile ions (e.g., zinc interstitials) migrate toward grain boundaries (GB) under an applied electric field, neutralizing negatively charged interface states. The double Schottky barrier (DSB) is thus reduces, resulting in increased power loss. It has been the theoretical foundation for reliability optimization and condition assessment of MOV over the past 40 years.","PeriodicalId":444,"journal":{"name":"IEEE Electrical Insulation Magazine","volume":"42 1","pages":"42-44"},"PeriodicalIF":1.3,"publicationDate":"2025-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11306296","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145778117","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}
引用次数: 0
Bulletin Board: First Asian Summer School on Dielectric Insulation (ASSDI 2025) Successfully Held in Harbin, China 公告栏：第一届亚洲绝缘暑期学校（ASSDI 2025）在中国哈尔滨成功举办
IF 1.3 4区 工程技术
IEEE Electrical Insulation Magazine Pub Date : 2025-12-19 DOI: 10.1109/MEI.2026.11306326
Xinyue Zhang
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引用次数: 0
Author's Guide for IEEE Electrical Insulation Magazine Technical Articles IEEE电气绝缘杂志技术文章作者指南
IF 1.3 4区 工程技术
IEEE Electrical Insulation Magazine Pub Date : 2025-12-19 DOI: 10.1109/MEI.2026.11306324
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引用次数: 0
From the Editor 来自编辑
IF 1.3 4区 工程技术
IEEE Electrical Insulation Magazine Pub Date : 2025-12-19 DOI: 10.1109/MEI.2026.11306288
Tony Lujia Chen
{"title":"From the Editor","authors":"Tony Lujia Chen","doi":"10.1109/MEI.2026.11306288","DOIUrl":"https://doi.org/10.1109/MEI.2026.11306288","url":null,"abstract":"This issue includes three articles, the first titled “New Categories for Phase-Resolved Partial Discharge Pattern Classification,” by Contin, Piccolo, and Cavallini. It presents a refined framework for analyzing phase-resolved partial discharge (PRPD) patterns in insulation diagnostics. The study questions the traditional one-to-one link between PRPD shapes and defect types, proposing three new categories: voltage-dependent, multiple, and ambiguous patterns. This is to better represent the changing nature of discharge phenomena. By testing insulation systems rated between 4 and 18 kV, including porous tape insulation and four-layer mica tapes, the authors show how PRPD patterns develop under different voltage levels, aging conditions, and stress factors. Examples include distributed micro-void discharges that change from “rabbit-ear” to rounded shapes, symmetric in polarity and phase. The article emphasizes the limitations of relying only on pattern shape for diagnosis and recommends additional localization techniques such as antenna probes and ultrasound detectors. This work is especially valuable for those seeking to improve the reliability of insulation evaluation and develop more advanced pattern-recognition systems for rotating electrical machines.","PeriodicalId":444,"journal":{"name":"IEEE Electrical Insulation Magazine","volume":"42 1","pages":"4-5"},"PeriodicalIF":1.3,"publicationDate":"2025-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11306288","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145778461","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}
引用次数: 0
Bulletin Board: IEEE CEIDP 2025—A Celebration of Dielectric Science in Manchester 公告板：IEEE CEIDP 2025 -曼彻斯特介电科学庆典
IF 1.3 4区 工程技术
IEEE Electrical Insulation Magazine Pub Date : 2025-12-19 DOI: 10.1109/MEI.2026.11306287
{"title":"Bulletin Board: IEEE CEIDP 2025—A Celebration of Dielectric Science in Manchester","authors":"","doi":"10.1109/MEI.2026.11306287","DOIUrl":"https://doi.org/10.1109/MEI.2026.11306287","url":null,"abstract":"The Conference on Electrical Insulation and Dielectric Phenomena (CEIDP) 2025, held from September 14 to 17 at the University of Manchester (UK), marked a landmark moment in its history. With 342 delegates from 33 countries, CEIDP 2025 marked its centennial edition by fostering technical excellence, shared expertise, and a strong sense of community.","PeriodicalId":444,"journal":{"name":"IEEE Electrical Insulation Magazine","volume":"42 1","pages":"55-57"},"PeriodicalIF":1.3,"publicationDate":"2025-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11306287","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145778286","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}
引用次数: 0
Bulletin Board: EIC 2026 Call for Participation 公告栏：EIC 2026征稿
IF 1.3 4区 工程技术
IEEE Electrical Insulation Magazine Pub Date : 2025-12-19 DOI: 10.1109/MEI.2026.11306294
{"title":"Bulletin Board: EIC 2026 Call for Participation","authors":"","doi":"10.1109/MEI.2026.11306294","DOIUrl":"https://doi.org/10.1109/MEI.2026.11306294","url":null,"abstract":"","PeriodicalId":444,"journal":{"name":"IEEE Electrical Insulation Magazine","volume":"42 1","pages":"63-63"},"PeriodicalIF":1.3,"publicationDate":"2025-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11306294","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145778429","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}
引用次数: 0
Young Professionals: Retiring from the Young Professionals Committee 青年专业人士：从青年专业人士委员会退休
IF 1.3 4区 工程技术
IEEE Electrical Insulation Magazine Pub Date : 2025-12-19 DOI: 10.1109/MEI.2026.11306293
Mattewos Tefferi
{"title":"Young Professionals: Retiring from the Young Professionals Committee","authors":"Mattewos Tefferi","doi":"10.1109/MEI.2026.11306293","DOIUrl":"https://doi.org/10.1109/MEI.2026.11306293","url":null,"abstract":"When I was appointed as chair of the DEIS Young Professionals (YP) Committee in early 2023, I outlined several priorities in my editorial in IEEE Electrical Insulation Magazine [1]. Looking back now, as my term comes to an end, I am proud of what the YP Committee has accomplished over the past three years.","PeriodicalId":444,"journal":{"name":"IEEE Electrical Insulation Magazine","volume":"42 1","pages":"45-47"},"PeriodicalIF":1.3,"publicationDate":"2025-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11306293","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145778250","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}
引用次数: 0
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