Pub Date : 2024-07-19DOI: 10.1109/tdei.2024.3431442
Yijin Liu, Tao Zhao, Yunpeng Liu, Jiaxue Xu, Yunuo Liu, Chaojie Yang
{"title":"Motion Characteristics of Cellulose Particles in Oil - Analysis of the Synchronized Inter-frame Imaging and Voltage Observations","authors":"Yijin Liu, Tao Zhao, Yunpeng Liu, Jiaxue Xu, Yunuo Liu, Chaojie Yang","doi":"10.1109/tdei.2024.3431442","DOIUrl":"https://doi.org/10.1109/tdei.2024.3431442","url":null,"abstract":"","PeriodicalId":13247,"journal":{"name":"IEEE Transactions on Dielectrics and Electrical Insulation","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2024-07-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141746383","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-07-15DOI: 10.1109/tdei.2024.3428514
T. Hammarström
{"title":"Overshoot level studies of PD Exposure in High Voltage Motor Isolation","authors":"T. Hammarström","doi":"10.1109/tdei.2024.3428514","DOIUrl":"https://doi.org/10.1109/tdei.2024.3428514","url":null,"abstract":"","PeriodicalId":13247,"journal":{"name":"IEEE Transactions on Dielectrics and Electrical Insulation","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2024-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141717549","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-07-11DOI: 10.1109/tdei.2024.3426492
Darshan Prakash Borthakur, Alok Ranjan Verma
{"title":"Correlation Between Polarization Mechanisms and Material Characteristics in Thermally Aged 320 kV HVDC Cable Insulation","authors":"Darshan Prakash Borthakur, Alok Ranjan Verma","doi":"10.1109/tdei.2024.3426492","DOIUrl":"https://doi.org/10.1109/tdei.2024.3426492","url":null,"abstract":"","PeriodicalId":13247,"journal":{"name":"IEEE Transactions on Dielectrics and Electrical Insulation","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2024-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141613762","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-07-11DOI: 10.1109/tdei.2024.3427052
Shaoqi Wang, Qiaogen Zhang, Zhicheng Wu, Yuhan Sun, Xiaoang Li
{"title":"Nanoscale Insights into Insulating Oil Emulsification: Dynamic Interplay of Temperature and Water Dynamics","authors":"Shaoqi Wang, Qiaogen Zhang, Zhicheng Wu, Yuhan Sun, Xiaoang Li","doi":"10.1109/tdei.2024.3427052","DOIUrl":"https://doi.org/10.1109/tdei.2024.3427052","url":null,"abstract":"","PeriodicalId":13247,"journal":{"name":"IEEE Transactions on Dielectrics and Electrical Insulation","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2024-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141613765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Power Line Communication Application for Enhanced Partial Discharge Monitoring: From Theory to Application","authors":"Lunnetta Safura Lumba, Masahiro Kozako, Masayuki Hikita, Hidefumi Sato, Masahiro Soeda","doi":"10.1109/tdei.2024.3425810","DOIUrl":"https://doi.org/10.1109/tdei.2024.3425810","url":null,"abstract":"","PeriodicalId":13247,"journal":{"name":"IEEE Transactions on Dielectrics and Electrical Insulation","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2024-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141588370","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Influence of Defect Type and Position in Composite Insulation Interfaces on Electric Field Distribution within Variable Speed Pumped Storage Generator Rotor Windings","authors":"Jian Wang, Yuxuan Song, Wei Wu, Hanwen Ren, Liang Zou, Qingmin Li","doi":"10.1109/tdei.2024.3425313","DOIUrl":"https://doi.org/10.1109/tdei.2024.3425313","url":null,"abstract":"","PeriodicalId":13247,"journal":{"name":"IEEE Transactions on Dielectrics and Electrical Insulation","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2024-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141571866","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-07-09DOI: 10.1109/TDEI.2024.3425318
A. Imburgia;G. Rizzo;G. Ala;T. J. Å. Hammarström;Y. V. Serdyuk;A. Di Fatta;P. Romano
In this work, the role of the electric conductivity on the variations in the PD phenomenon in XLPE insulation under dc stress is investigated and demonstrated. To enable this investigation, a new experimental setup simulating the insulating layer of a cable with an embedded air void defect and subjected to a dc stress and temperature has been proposed. The setup consists of two flat specimens connected in series. One of them is heated while the other one, which contains the defect, is kept at ambient temperature. Consequently, the electric fields induced by the externally applied dc stress differ between the two specimens. In this way, a conductivity variation between two dielectric layers is obtained. To facilitate the usage of this method, a new simulation model related to the proposed experimental setup has also been developed. The model is an extension of the three-capacitor model, in which variable resistors are introduced. Both simulation and experimental results indicate that the introduced discrete thermal gradient results in higher conductivity values and enhanced PD activity.
{"title":"Partial Discharge Characterization in a Defect Subjected to HVDC Cable Operating Conditions","authors":"A. Imburgia;G. Rizzo;G. Ala;T. J. Å. Hammarström;Y. V. Serdyuk;A. Di Fatta;P. Romano","doi":"10.1109/TDEI.2024.3425318","DOIUrl":"10.1109/TDEI.2024.3425318","url":null,"abstract":"In this work, the role of the electric conductivity on the variations in the PD phenomenon in XLPE insulation under dc stress is investigated and demonstrated. To enable this investigation, a new experimental setup simulating the insulating layer of a cable with an embedded air void defect and subjected to a dc stress and temperature has been proposed. The setup consists of two flat specimens connected in series. One of them is heated while the other one, which contains the defect, is kept at ambient temperature. Consequently, the electric fields induced by the externally applied dc stress differ between the two specimens. In this way, a conductivity variation between two dielectric layers is obtained. To facilitate the usage of this method, a new simulation model related to the proposed experimental setup has also been developed. The model is an extension of the three-capacitor model, in which variable resistors are introduced. Both simulation and experimental results indicate that the introduced discrete thermal gradient results in higher conductivity values and enhanced PD activity.","PeriodicalId":13247,"journal":{"name":"IEEE Transactions on Dielectrics and Electrical Insulation","volume":null,"pages":null},"PeriodicalIF":2.9,"publicationDate":"2024-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141571864","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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