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Young Professionals 青年专业人员
IF 2.6 4区 工程技术
IEEE Electrical Insulation Magazine Pub Date : 2024-10-17 DOI: 10.1109/MEI.2024.10721378
Rohith Sangineni;Ajith John Thomas
{"title":"Young Professionals","authors":"Rohith Sangineni;Ajith John Thomas","doi":"10.1109/MEI.2024.10721378","DOIUrl":"https://doi.org/10.1109/MEI.2024.10721378","url":null,"abstract":"I am glad to write this report on the successful completion of my project as proposed in my contribution for the DEIS Graduate Student Fellowship. I extend my sincere thanks to the DIES Education Committee for granting me the DEIS Graduate Student Fellowship. I am also thankful to my PhD supervisor Prof. Sisir Kumar Nayak for his support and mentoring during the implementation of this project. This fellowship strengthened morale and boosted confidence during my PhD. I got an opportunity to collaborate with Prof. Manu A. Haddad from the Advanced High Voltage Engineering Research Centre, Cardiff University, on this project, whose input helped me improve the way I presented this work. It also helped me network with renowned academicians when I presented my work at the International Conference on Dielectrics (ICD) 2024 in Toulouse, France. I strongly believe that this fellowship helped me grow to new heights in my career.","PeriodicalId":444,"journal":{"name":"IEEE Electrical Insulation Magazine","volume":"40 6","pages":"34-35"},"PeriodicalIF":2.6,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10721378","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142447263","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
News from Japan 日本新闻
IF 2.6 4区 工程技术
IEEE Electrical Insulation Magazine Pub Date : 2024-10-17 DOI: 10.1109/MEI.2024.10721379
Yoshimichi Ohki
{"title":"News from Japan","authors":"Yoshimichi Ohki","doi":"10.1109/MEI.2024.10721379","DOIUrl":"https://doi.org/10.1109/MEI.2024.10721379","url":null,"abstract":"To address the swift expansion and critical demand for renewable energy, high voltage direct current (HVDC) electric power interconnections between power grids, nations, and even continents are set to assume a greater significance in ensuring a dependable and resilient power supply than they did in the previous decade. For instance, the inaugural 400-kV DC interconnection, linking Belgium and the UK using cables insulated with cross-linked polyethylene (XLPE), was established in 2019 [1] and has been operational to accommodate fluctuating power requirements, particularly in the UK. This HVDC link between Belgium and the UK, called the NEMO link, was constructed using innovative voltage source converters (VSC). On the other hand, numerous 350- to 450-kV HVDC systems employing conventional line-commutated converters (LCC) remain in the world, and some have been operated for over 25 years. In such LCC HVDC systems, cables insulated with oil-impregnated paper, such as self-contained fluid-filled (SCFF) or mass-impregnated (MI) cables, are used. However, some have deteriorated after a long service due to malfunctions such as oil migration and fatigue fracture of lead sheaths around insulation caused by heat cycles. In general, LCC, probably receiving lighter external stresses than undersea cables, seem to be more robust and require less maintenance than cable systems. Consequently, replacing outdated paper-insulated cables with XLPE cables is a beneficial upgrade, while keeping the same converter.","PeriodicalId":444,"journal":{"name":"IEEE Electrical Insulation Magazine","volume":"40 6","pages":"23-26"},"PeriodicalIF":2.6,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10721379","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142447144","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
IEEE Transactions on Dielectrics and Electrical Insulation 电气和电子工程师学会《电介质与电气绝缘》杂志
IF 2.6 4区 工程技术
IEEE Electrical Insulation Magazine Pub Date : 2024-10-17 DOI: 10.1109/MEI.2024.10721386
{"title":"IEEE Transactions on Dielectrics and Electrical Insulation","authors":"","doi":"10.1109/MEI.2024.10721386","DOIUrl":"https://doi.org/10.1109/MEI.2024.10721386","url":null,"abstract":"","PeriodicalId":444,"journal":{"name":"IEEE Electrical Insulation Magazine","volume":"40 6","pages":"49-51"},"PeriodicalIF":2.6,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10721386","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142447145","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: Call for Papers IEEE EIC 2025 公告栏：IEEE EIC 2025 征稿启事
IF 2.6 4区 工程技术
IEEE Electrical Insulation Magazine Pub Date : 2024-10-17 DOI: 10.1109/MEI.2024.10721387
{"title":"Bulletin Board: Call for Papers IEEE EIC 2025","authors":"","doi":"10.1109/MEI.2024.10721387","DOIUrl":"https://doi.org/10.1109/MEI.2024.10721387","url":null,"abstract":"The 43rd Electrical Insulation Conference (EIC) will take place in South Padre Island, Texas, USA, from June 8 to 12, 2025. Known for its lovely spring and summer seasons, South Padre Island offers pleasant temperatures and stunning landscapes, providing a perfect backdrop for our conference. Additionally, our venue hotel offers direct access to a plethora of attractions, ensuring that your stay will be both productive and enjoyable. We look forward to welcoming you to an engaging and enriching experience at EIC 2025. Please mark your calendars and prepare for a conference filled with valuable insights and networking opportunities.","PeriodicalId":444,"journal":{"name":"IEEE Electrical Insulation Magazine","volume":"40 6","pages":"48-48"},"PeriodicalIF":2.6,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10721387","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142447175","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
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 2.6 4区 工程技术
IEEE Electrical Insulation Magazine Pub Date : 2024-10-17 DOI: 10.1109/MEI.2024.10721393
{"title":"Author's Guide for IEEE Electrical Insulation Magazine Technical Articles","authors":"","doi":"10.1109/MEI.2024.10721393","DOIUrl":"https://doi.org/10.1109/MEI.2024.10721393","url":null,"abstract":"","PeriodicalId":444,"journal":{"name":"IEEE Electrical Insulation Magazine","volume":"40 6","pages":"C3-C3"},"PeriodicalIF":2.6,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10721393","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142447026","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: Get Your Work Published in IEEE Electrical Insulation Magazine 公告栏：在 IEEE《电气绝缘》杂志上发表您的作品
IF 2.6 4区 工程技术
IEEE Electrical Insulation Magazine Pub Date : 2024-10-17 DOI: 10.1109/MEI.2024.10721391
{"title":"Bulletin Board: Get Your Work Published in IEEE Electrical Insulation Magazine","authors":"","doi":"10.1109/MEI.2024.10721391","DOIUrl":"https://doi.org/10.1109/MEI.2024.10721391","url":null,"abstract":"The IEEE Electrical Insulation Magazine is always looking for new and exciting articles. The magazine's subscribers cover a wide range of interests and experience. If you have a topic for an article that you think has a broad appeal, please send us an abstract.","PeriodicalId":444,"journal":{"name":"IEEE Electrical Insulation Magazine","volume":"40 6","pages":"47-47"},"PeriodicalIF":2.6,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10721391","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142447261","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
A High-Precision Wind Speed Sensor Using Modulated Pump Light Dynamic Temperature Response 利用调制泵光动态温度响应的高精度风速传感器
IF 4.3 2区 综合性期刊
IEEE Sensors Journal Pub Date : 2024-10-17 DOI: 10.1109/JSEN.2024.3470889
Dian Fan;Jialing Yu;Zhen Pan;Wenjia Chen;Ting Xu;Ciming Zhou
{"title":"A High-Precision Wind Speed Sensor Using Modulated Pump Light Dynamic Temperature Response","authors":"Dian Fan;Jialing Yu;Zhen Pan;Wenjia Chen;Ting Xu;Ciming Zhou","doi":"10.1109/JSEN.2024.3470889","DOIUrl":"https://doi.org/10.1109/JSEN.2024.3470889","url":null,"abstract":"A high-precision wind speed sensor is designed and experimentally verified in this article. Using modulated pump light to heat the cobalt-doped fiber results in a dynamic temperature response in the wind speed sensor. Wind speeds are related to the amplitudes of the dynamic temperature response rather than the static steady-state temperature, which enhances measurement precision. The response sensitivity is higher under lower wind speeds. The temperature of the cobalt-doped fiber rises as it absorbs the pump light energy and then drops when the pump light is turned off. The center wavelength of the fiber Bragg grating (FBG) exhibits periodic shifts with temperature variations. A part of the sensor’s heat is taken away in a wind field, which causes various temperature response amplitudes under the same pump light energy. The amplitudes of the FBG center wavelength vary with different wind speeds. By using the edge-filtering intensity demodulation method, the wavelength variation amplitudes with temperature are converted into the amplitudes of the photodetector’s output voltage variation. The specific relationship between the amplitudes of voltage variation and wind speeds is used to measure wind speed. Measurements were taken within a wind speed range of 0–3 m/s. Experimental results demonstrate that the sensor has good repeatability and stability. Its sensitivity can reach −9.79 mV/(m\u0000<inline-formula> <tex-math>$cdot $ </tex-math></inline-formula>\u0000s\u0000<inline-formula> <tex-math>$^{-{1}}$ </tex-math></inline-formula>\u0000) at low wind speeds. The error stays below 0.03 m/s within the range of 0–0.5 m/s.","PeriodicalId":447,"journal":{"name":"IEEE Sensors Journal","volume":"24 22","pages":"36910-36915"},"PeriodicalIF":4.3,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142636367","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
From the Editor 编辑的话
IF 2.6 4区 工程技术
IEEE Electrical Insulation Magazine Pub Date : 2024-10-17 DOI: 10.1109/MEI.2024.10721382
{"title":"From the Editor","authors":"","doi":"10.1109/MEI.2024.10721382","DOIUrl":"https://doi.org/10.1109/MEI.2024.10721382","url":null,"abstract":"It is hard to believe that the end of the year is nearly upon us. This year has been filled with several great DEIS events and conferences, including EIC, ICD, and CEIDP. Each event has allowed members to meet in person and, in some cases, to see their long-time friends. In other cases, members had an opportunity to meet new colleagues and bright young minds that will hopefully become new friends. These events are always a sharing of knowledge and experience coupled with social networking.","PeriodicalId":444,"journal":{"name":"IEEE Electrical Insulation Magazine","volume":"40 6","pages":"5-5"},"PeriodicalIF":2.6,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10721382","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142447253","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
Impact of Electron and Hole Trap Profiles in BE-TOX on Retention Characteristics of 3D NAND Flash Memory BE-TOX 中的电子和空穴陷阱剖面对 3D NAND 闪存保持特性的影响
IF 2.1 4区 工程技术
IEEE Transactions on Nanotechnology Pub Date : 2024-10-16 DOI: 10.1109/TNANO.2024.3481392
Gilsang Yoon;Donghyun Go;Jounghun Park;Donghwi Kim;Jongwoo Kim;Ukju An;Jungsik Kim;Jeong-Soo Lee;Byoung Don Kong
{"title":"Impact of Electron and Hole Trap Profiles in BE-TOX on Retention Characteristics of 3D NAND Flash Memory","authors":"Gilsang Yoon;Donghyun Go;Jounghun Park;Donghwi Kim;Jongwoo Kim;Ukju An;Jungsik Kim;Jeong-Soo Lee;Byoung Don Kong","doi":"10.1109/TNANO.2024.3481392","DOIUrl":"https://doi.org/10.1109/TNANO.2024.3481392","url":null,"abstract":"Trap profiles in the bandgap-engineered tunneling oxide (BE-TOX) layer of a 3D NAND flash memory were investigated using a transient current trap spectroscopy technique. A new pulse scheme was introduced to generate channel holes and subsequently analyze the hole traps in the BE-TOX layer. In the fresh cell, the hole traps were primarily located at a trap energy level (\u0000<italic>E<sub>T</sub></i>\u0000) of 1.1 eV, whereas the electron traps exhibited two distinct peaks at \u0000<italic>E<sub>T</sub></i>\u0000 = 0.75 and 1.25 eV. With increasing program/erase (P/E) cycling operations, the peak \u0000<italic>E<sub>T</sub></i>\u0000 associated with hole traps shifted toward shallower levels. Conversely, the electron traps remained unchanged, although their intensities increased. The extracted trap generation exhibited the power-law characteristics.","PeriodicalId":449,"journal":{"name":"IEEE Transactions on Nanotechnology","volume":"23 ","pages":"733-740"},"PeriodicalIF":2.1,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142565655","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design and Nonlinear Theoretical Investigations on a 250 GHz MW-Level CW Demo Gyrotron With Realistic Electron Beam 带有真实电子束的 250 GHz MW 级连续波演示陀螺仪的设计和非线性理论研究
IF 1.3 4区 物理与天体物理
IEEE Transactions on Plasma Science Pub Date : 2024-10-16 DOI: 10.1109/TPS.2024.3475012
Kai Jia;Xinjian Niu;Yinghui Liu;Jianwei Liu;Tianzhong Zhang;Hongfu Li;Zongzheng Sun
{"title":"Design and Nonlinear Theoretical Investigations on a 250 GHz MW-Level CW Demo Gyrotron With Realistic Electron Beam","authors":"Kai Jia;Xinjian Niu;Yinghui Liu;Jianwei Liu;Tianzhong Zhang;Hongfu Li;Zongzheng Sun","doi":"10.1109/TPS.2024.3475012","DOIUrl":"https://doi.org/10.1109/TPS.2024.3475012","url":null,"abstract":"This article presents a study for a 250 GHz MW-level continuous mode gyrotron to satisfy the demand of DEMO for over 200 GHz high-power microwave sources. Through careful analysis, the new high-order mode TE45,18 is chosen as the operation mode. Simultaneously, the magnetic injection electron gun is researched to meet the operation requirement of the gyrotron. A novel curved gradient structure is proposed instead of the traditional linear folding structure for obtaining high-quality electronic beams. Through the linear theory and the time-dependent multimode self-consistent nonlinear theory of gyrotron, the detailed study of mode competition is conducted in the resonator cavity. The TE45,18 mode can maintain operational stability while suppressing other competition modes at the magnetic field of 9.9600 T, the operation voltage of 80 kV, and the beam current of 35 A. When considering the ideal electron beam, the output power is 1070 kW and the operation efficiency is 38.21%. The output power and operation efficiency are reduced to 1041 kW, and 37.17%, respectively, when considering the realistic electron beam from the magnetic injection gun (MIG) electron gun.","PeriodicalId":450,"journal":{"name":"IEEE Transactions on Plasma Science","volume":"52 8","pages":"3103-3110"},"PeriodicalIF":1.3,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142600261","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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