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IEEE Transactions on Dielectrics and Electrical Insulation最新文献

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Defect Localization for Power Cables with Chirp Z-Transform of Reflection Coefficient Spectrum 利用反射系数频谱的啁啾 Z 变换进行电力电缆缺陷定位
IF 3.1 3区 工程技术
IEEE Transactions on Dielectrics and Electrical Insulation Pub Date : 2024-07-02 DOI: 10.1109/tdei.2024.3422160
Yuan Li, Hao Zhou, Yefei Xu, Kai Zhou, Xianjie Rao
{"title":"Defect Localization for Power Cables with Chirp Z-Transform of Reflection Coefficient Spectrum","authors":"Yuan Li, Hao Zhou, Yefei Xu, Kai Zhou, Xianjie Rao","doi":"10.1109/tdei.2024.3422160","DOIUrl":"https://doi.org/10.1109/tdei.2024.3422160","url":null,"abstract":"","PeriodicalId":13247,"journal":{"name":"IEEE Transactions on Dielectrics and Electrical Insulation","volume":"8 1","pages":""},"PeriodicalIF":3.1,"publicationDate":"2024-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141514661","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}
引用次数: 0
Optimized Synthetic Data Integration with Transformer’s DGA Data for Improved ML-based Fault Identification 优化合成数据与变压器 DGA 数据的整合，提高基于 ML 的故障识别能力
IF 3.1 3区 工程技术
IEEE Transactions on Dielectrics and Electrical Insulation Pub Date : 2024-07-02 DOI: 10.1109/tdei.2024.3421915
Atul Jaysing Patil, Ram Naresh, Raj Kumar Jarial, Hasmat Malik
{"title":"Optimized Synthetic Data Integration with Transformer’s DGA Data for Improved ML-based Fault Identification","authors":"Atul Jaysing Patil, Ram Naresh, Raj Kumar Jarial, Hasmat Malik","doi":"10.1109/tdei.2024.3421915","DOIUrl":"https://doi.org/10.1109/tdei.2024.3421915","url":null,"abstract":"","PeriodicalId":13247,"journal":{"name":"IEEE Transactions on Dielectrics and Electrical Insulation","volume":"1 1","pages":""},"PeriodicalIF":3.1,"publicationDate":"2024-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141514660","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}
引用次数: 0
Effect of Insulating Oil Type on Charge Transportation at Oil-Paper Interface 绝缘油类型对油纸界面电荷传输的影响
IF 3.1 3区 工程技术
IEEE Transactions on Dielectrics and Electrical Insulation Pub Date : 2024-07-02 DOI: 10.1109/tdei.2024.3421922
Lu Gao, Hao Xu, Yao Qin, Zepeng Lv, Kai Wu
{"title":"Effect of Insulating Oil Type on Charge Transportation at Oil-Paper Interface","authors":"Lu Gao, Hao Xu, Yao Qin, Zepeng Lv, Kai Wu","doi":"10.1109/tdei.2024.3421922","DOIUrl":"https://doi.org/10.1109/tdei.2024.3421922","url":null,"abstract":"","PeriodicalId":13247,"journal":{"name":"IEEE Transactions on Dielectrics and Electrical Insulation","volume":"26 1","pages":""},"PeriodicalIF":3.1,"publicationDate":"2024-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141514662","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}
引用次数: 0
Interface Charge Overshoot in Vegetable Oil–Paper Insulation Under DC Voltage 直流电压下植物油-纸绝缘的界面电荷过冲
IF 2.9 3区 工程技术
IEEE Transactions on Dielectrics and Electrical Insulation Pub Date : 2024-07-01 DOI: 10.1109/TDEI.2024.3421169
Lu Gao;Hao Xu;Zepeng Lv;Kai Wu
{"title":"Interface Charge Overshoot in Vegetable Oil–Paper Insulation Under DC Voltage","authors":"Lu Gao;Hao Xu;Zepeng Lv;Kai Wu","doi":"10.1109/TDEI.2024.3421169","DOIUrl":"10.1109/TDEI.2024.3421169","url":null,"abstract":"Oil-paper insulation is the primary insulation material utilized in transformers, including converter transformer. As an environmentally friendly liquid dielectric, vegetable insulating oil is considered a good substitute for mineral insulating oil, but it still lacks application in converter transformers. Converter transformers mostly use multiple layers of insulating paper and insulating oil, leading to the existence of oil-paper interfaces. In the vegetable oil-paper sample, there is an overshoot phenomenon of charge accumulation at the oil-paper interface under the applied dc voltages. Owing to discrepancy in the mobility of injected charges and ionization charges, the initial equilibrium value of the interface charge is 12%–36% higher than the final equilibrium value. Due to the existence of the interface barrier, the interface charges remain at the high initial equilibrium value for a long time before decreasing to the final equilibrium value, which may potentially lead to the risk of partial discharge. Mitigating the fiber defects in the insulating paper aids in reducing the interface barrier and enabling charges that migrate to the vicinity of the oil-paper interface to cross the interface easily and recombine with the heteropolar charge on the other side, which not only facilitates the faster attainment of the final equilibrium value of interface charge under dc voltage but also enables the rapid dissipation of the accumulated charge shortly after the removal of the applied voltage. This characteristic is beneficial to the operation stability of converter transformers, especially in the condition of polarity inversion.","PeriodicalId":13247,"journal":{"name":"IEEE Transactions on Dielectrics and Electrical Insulation","volume":"31 5","pages":"2613-2620"},"PeriodicalIF":2.9,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141505750","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}
引用次数: 0
Analytical Model for Investigating Linear and Non-linear Behaviour of Thin Semi-conductive Layers on Insulator Surface 研究绝缘体表面薄半导电层线性和非线性行为的分析模型
IF 3.1 3区 工程技术
IEEE Transactions on Dielectrics and Electrical Insulation Pub Date : 2024-06-28 DOI: 10.1109/tdei.2024.3418788
Haifa Nouir-Masmoudi, Slim Kaddeche, Nabila Dhahbi-Megriche, Abderrahmane Beroual
{"title":"Analytical Model for Investigating Linear and Non-linear Behaviour of Thin Semi-conductive Layers on Insulator Surface","authors":"Haifa Nouir-Masmoudi, Slim Kaddeche, Nabila Dhahbi-Megriche, Abderrahmane Beroual","doi":"10.1109/tdei.2024.3418788","DOIUrl":"https://doi.org/10.1109/tdei.2024.3418788","url":null,"abstract":"","PeriodicalId":13247,"journal":{"name":"IEEE Transactions on Dielectrics and Electrical Insulation","volume":"279 1","pages":""},"PeriodicalIF":3.1,"publicationDate":"2024-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141529397","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}
引用次数: 0
Impact of the Voltage Waveform on Dielectric Strength of Transformer Insulation at 1-10 kHz 1-10 kHz 时电压波形对变压器绝缘介电强度的影响
IF 3.1 3区 工程技术
IEEE Transactions on Dielectrics and Electrical Insulation Pub Date : 2024-06-24 DOI: 10.1109/tdei.2024.3417951
Jan Vocke, Willem Leterme
{"title":"Impact of the Voltage Waveform on Dielectric Strength of Transformer Insulation at 1-10 kHz","authors":"Jan Vocke, Willem Leterme","doi":"10.1109/tdei.2024.3417951","DOIUrl":"https://doi.org/10.1109/tdei.2024.3417951","url":null,"abstract":"","PeriodicalId":13247,"journal":{"name":"IEEE Transactions on Dielectrics and Electrical Insulation","volume":"38 1","pages":""},"PeriodicalIF":3.1,"publicationDate":"2024-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141514666","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}
引用次数: 0
An Online Identification Method for Health State Parameters of Thyristor modules in HVDC Converter Valve 高压直流换流阀中晶闸管模块健康状态参数的在线识别方法
IF 3.1 3区 工程技术
IEEE Transactions on Dielectrics and Electrical Insulation Pub Date : 2024-06-24 DOI: 10.1109/tdei.2024.3417962
Lei Pang, Boyang Xia, Xinbing Wang, Zhaohan Cao, Kun He, Yongrui Huang
{"title":"An Online Identification Method for Health State Parameters of Thyristor modules in HVDC Converter Valve","authors":"Lei Pang, Boyang Xia, Xinbing Wang, Zhaohan Cao, Kun He, Yongrui Huang","doi":"10.1109/tdei.2024.3417962","DOIUrl":"https://doi.org/10.1109/tdei.2024.3417962","url":null,"abstract":"","PeriodicalId":13247,"journal":{"name":"IEEE Transactions on Dielectrics and Electrical Insulation","volume":"15 1","pages":""},"PeriodicalIF":3.1,"publicationDate":"2024-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141505752","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}
引用次数: 0
An Improved Method for Fault Diagnosis of Oil-Immersed Transformers Based on Simulation Test Platform 基于仿真测试平台的油浸式变压器故障诊断改进方法
IF 3.1 3区 工程技术
IEEE Transactions on Dielectrics and Electrical Insulation Pub Date : 2024-06-24 DOI: 10.1109/tdei.2024.3418388
Lin Yang, Lingzhi Gao, Xuesong Luo, Yanpeng Hao, Zhijun Zhang, Ying Jin, Jiantao Zhang
{"title":"An Improved Method for Fault Diagnosis of Oil-Immersed Transformers Based on Simulation Test Platform","authors":"Lin Yang, Lingzhi Gao, Xuesong Luo, Yanpeng Hao, Zhijun Zhang, Ying Jin, Jiantao Zhang","doi":"10.1109/tdei.2024.3418388","DOIUrl":"https://doi.org/10.1109/tdei.2024.3418388","url":null,"abstract":"","PeriodicalId":13247,"journal":{"name":"IEEE Transactions on Dielectrics and Electrical Insulation","volume":"172 1","pages":""},"PeriodicalIF":3.1,"publicationDate":"2024-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141514667","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}
引用次数: 0
Influence of Crystallinity and Isotacticity on Charge Decay of Polypropylene Homopolymer Blends 结晶度和同素异形体对聚丙烯均聚物共混物电荷衰减的影响
IF 2.9 3区 工程技术
IEEE Transactions on Dielectrics and Electrical Insulation Pub Date : 2024-06-24 DOI: 10.1109/TDEI.2024.3417953
Anna Guliakova;Arthur Henderyckx;Nikolai Shishkin;Bart Buffel;Frederik Desplentere;Dmitry Rychkov
{"title":"Influence of Crystallinity and Isotacticity on Charge Decay of Polypropylene Homopolymer Blends","authors":"Anna Guliakova;Arthur Henderyckx;Nikolai Shishkin;Bart Buffel;Frederik Desplentere;Dmitry Rychkov","doi":"10.1109/TDEI.2024.3417953","DOIUrl":"10.1109/TDEI.2024.3417953","url":null,"abstract":"The impact of crystallinity on the electret charge stability in binary blends of polypropylene (PP) homopolymers was been investigated with mechanical, rheological, calorimetric, and dielectric techniques. This showed that the incorporation of a low isotactic, high molecular weight PP into high isotactic PP (iPP) decreases the overall crystallinity according to the blend ratio, whereas the crystal melting temperature of the iPP phase is hardly affected as observed using differential scanning calorimetry (DSC). At the same time, the electret charge stability decreases considerably as revealed by thermally stimulated surface potential decay (TSSPD), despite a substantial fraction of the highly isotactic PP remaining crystalline. This suggests that, notwithstanding the unchanged iPP crystal melting temperature, the overall increase of the noncrystalline fraction reduces the charge stability by disrupting the polymer macrostructure and affecting the composition of the crystal-amorphous interphase layers. The increase in amorphous fraction was supported by a more pronounced glass transition in both dynamic mechanical analysis (DMA) and DSC. The blend rheology was analyzed by melt flow index (MFI) and parallel plate rheology. This gave further insights in the molecular weight distribution of the polymer samples and the flow behavior in shear rate regions commonly encountered within extrusion processes.","PeriodicalId":13247,"journal":{"name":"IEEE Transactions on Dielectrics and Electrical Insulation","volume":"31 5","pages":"2358-2364"},"PeriodicalIF":2.9,"publicationDate":"2024-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141529304","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}
引用次数: 0
Suppressing Charge Accumulation and Enhancing Interface Insulation for PI/EP Composites by Fabricating Al2O3 Coating 通过制作 Al2O3 涂层抑制电荷积累并增强 PI/EP 复合材料的界面绝缘性能
IF 3.1 3区 工程技术
IEEE Transactions on Dielectrics and Electrical Insulation Pub Date : 2024-06-24 DOI: 10.1109/tdei.2024.3418390
Zhihui Li, Qingmin Li, Yaoxuan Han, Ruoqing Hong, Yujie Tang, Hanwen Ren, Zhongdong Wang
{"title":"Suppressing Charge Accumulation and Enhancing Interface Insulation for PI/EP Composites by Fabricating Al2O3 Coating","authors":"Zhihui Li, Qingmin Li, Yaoxuan Han, Ruoqing Hong, Yujie Tang, Hanwen Ren, Zhongdong Wang","doi":"10.1109/tdei.2024.3418390","DOIUrl":"https://doi.org/10.1109/tdei.2024.3418390","url":null,"abstract":"","PeriodicalId":13247,"journal":{"name":"IEEE Transactions on Dielectrics and Electrical Insulation","volume":"352 1","pages":""},"PeriodicalIF":3.1,"publicationDate":"2024-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141514663","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}
引用次数: 0
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