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Proceedings of Electrical/Electronics Insulation Conference最新文献

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Techniques and thermoplastics for encapsulating high performance coils 封装高性能线圈的技术和热塑性塑料
Proceedings of Electrical/Electronics Insulation Conference Pub Date : 1993-10-04 DOI: 10.1109/EEIC.1993.630950
James F. B. Patterson, J. Lang, M. Hozumi
{"title":"Techniques and thermoplastics for encapsulating high performance coils","authors":"James F. B. Patterson, J. Lang, M. Hozumi","doi":"10.1109/EEIC.1993.630950","DOIUrl":"https://doi.org/10.1109/EEIC.1993.630950","url":null,"abstract":"Recent developments in thermoplastic encapsulation materials, molding techniques, and mold design for encapsulating high performance coils are reviewed. Recently developed encapsulation systems for UL 1446 Class F (155 C) and Class H (180 C) applications are discussed.","PeriodicalId":428411,"journal":{"name":"Proceedings of Electrical/Electronics Insulation Conference","volume":"96 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125990205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Precision ovens for thermal endurance evaluation of electrical insulating material 电绝缘材料耐热性评价用精密烘箱
Proceedings of Electrical/Electronics Insulation Conference Pub Date : 1993-10-04 DOI: 10.1109/EEIC.1993.631301
R. Steinhaus
{"title":"Precision ovens for thermal endurance evaluation of electrical insulating material","authors":"R. Steinhaus","doi":"10.1109/EEIC.1993.631301","DOIUrl":"https://doi.org/10.1109/EEIC.1993.631301","url":null,"abstract":"It is shown how a commercially available oven can be easily modified by means of an iso-box to arrive at a temperature variation of /spl plusmn/ 1 K for thermal endurance evaluations. The modified oven meets all requirements as, for instance, given in IEC 216-4-1 or DIN 50 011, Part 12 with respect to construction and air flow. The temperature fluctuation in particular does not exceed /spl plusmn/ 0,5 K and a temperature gradient inside the iso-box may be neglected. It is also shown that, in case of twisted pairs, the uncertainty of measurement of the temperature that corresponds to the temperature index can be reduced to /spl plusmn/ 4 K.","PeriodicalId":428411,"journal":{"name":"Proceedings of Electrical/Electronics Insulation Conference","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126240273","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The effect of electrical ageing on a cast epoxy insulation 电老化对浇注环氧绝缘的影响
Proceedings of Electrical/Electronics Insulation Conference Pub Date : 1993-10-04 DOI: 10.1109/EEIC.1993.630919
Y. Li, J. Unsworth, B. Gao
{"title":"The effect of electrical ageing on a cast epoxy insulation","authors":"Y. Li, J. Unsworth, B. Gao","doi":"10.1109/EEIC.1993.630919","DOIUrl":"https://doi.org/10.1109/EEIC.1993.630919","url":null,"abstract":"An epoxy composite used as cast electrical insulation in outdoor applications is studied for property and structure changes caused by aging under intensified electric field. The dielectric loss and the dielectric strength of the material are found to be slightly changed over an aging time of 1500 hours. Dynamic mechanical properties of the material show appreciable changes. Scanning electron microscope and atomic force microscope results indicate morphological changes on the surfaces of aged samplers. It is concluded that electrical aging occurs in interconnected regions where the cross-linking density of the material decreases. The dynamic mechanical analysis is found to be more sensitive to the changes of crosslink density than are measurements of dielectric loss and dielectric strength.","PeriodicalId":428411,"journal":{"name":"Proceedings of Electrical/Electronics Insulation Conference","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127905555","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
NEMA magnet wire technical committee NEMA磁铁线技术委员会
Proceedings of Electrical/Electronics Insulation Conference Pub Date : 1993-10-04 DOI: 10.1109/EEIC.1993.630969
K. Nair
{"title":"NEMA magnet wire technical committee","authors":"K. Nair","doi":"10.1109/EEIC.1993.630969","DOIUrl":"https://doi.org/10.1109/EEIC.1993.630969","url":null,"abstract":"Information on the activities of the NEMA Magnet Wire Technical Committee since the 1991 E/EIC Conference is provided. The accomplishments of the committee over the last two years are summarized, and data regarding various sub-committees and ad-hoc groups, which have contributed significantly in making the MW 1000 document an updated, established, magnet wire standard are given.","PeriodicalId":428411,"journal":{"name":"Proceedings of Electrical/Electronics Insulation Conference","volume":"176 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116566259","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Overview of our heritage [dielectric materials] 我们的传统概述[介电材料]
Proceedings of Electrical/Electronics Insulation Conference Pub Date : 1993-10-04 DOI: 10.1109/EEIC.1993.631041
W. Shugg
{"title":"Overview of our heritage [dielectric materials]","authors":"W. Shugg","doi":"10.1109/EEIC.1993.631041","DOIUrl":"https://doi.org/10.1109/EEIC.1993.631041","url":null,"abstract":"The chronology of commonly used dielectric materials as they made possible the evolution of the electrical industry from its earliest days to the present is presented. A discussion of the problems facing the industry and the opportunities for continuing education about new product development and market trends is given.","PeriodicalId":428411,"journal":{"name":"Proceedings of Electrical/Electronics Insulation Conference","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116922132","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Electrostatic fluidized bed System innovations and powder advancements 静电流化床系统的创新和粉末的进步
Proceedings of Electrical/Electronics Insulation Conference Pub Date : 1993-10-04 DOI: 10.1109/EEIC.1993.631215
M. R. Strucaly
{"title":"Electrostatic fluidized bed System innovations and powder advancements","authors":"M. R. Strucaly","doi":"10.1109/EEIC.1993.631215","DOIUrl":"https://doi.org/10.1109/EEIC.1993.631215","url":null,"abstract":"Insight into recent innovations to in-line electrostatic fluidized bed systems used for the process of applying conformal integral insulation to armatures, stators and rotors is provided. Technological advancements in the powder coating materials applied by these systems are discussed. These efforts will be on-going to insure that motor manufacturers worldwide can take advantage of a cost-effective, energy efficient, environmentally responsible method of producing high quality motors which will meet increased standards for performance and reliability.","PeriodicalId":428411,"journal":{"name":"Proceedings of Electrical/Electronics Insulation Conference","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132576802","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Coil bobbin and encapsulated coil plastics for the 1990's 20世纪90年代的线圈线轴和封装线圈塑料
Proceedings of Electrical/Electronics Insulation Conference Pub Date : 1993-10-04 DOI: 10.1109/EEIC.1993.631317
S.B. Neher, M. Sheer, W. Garrison
{"title":"Coil bobbin and encapsulated coil plastics for the 1990's","authors":"S.B. Neher, M. Sheer, W. Garrison","doi":"10.1109/EEIC.1993.631317","DOIUrl":"https://doi.org/10.1109/EEIC.1993.631317","url":null,"abstract":"Conductive thermoplastic resins are expected to play a major role in encapsulating transformers rated up to 1 kVA where operating temperature reductions are important. They also will find usage in power supplies and in small motors. The basic properties and performance characteristics of these new resins are reviewed and compared with the 6,6 nylon and thermoplastic polyesters used in most coil bobbin/encapsulation appliances.","PeriodicalId":428411,"journal":{"name":"Proceedings of Electrical/Electronics Insulation Conference","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131944770","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Advantages of high voltage DC dielectric tests compared with AC tests 高压直流介质试验与交流试验相比的优点
Proceedings of Electrical/Electronics Insulation Conference Pub Date : 1993-10-04 DOI: 10.1109/EEIC.1993.631306
A. Audoli, J. Drommi
{"title":"Advantages of high voltage DC dielectric tests compared with AC tests","authors":"A. Audoli, J. Drommi","doi":"10.1109/EEIC.1993.631306","DOIUrl":"https://doi.org/10.1109/EEIC.1993.631306","url":null,"abstract":"Electricite de France (EDF) generators undergo dielectric tests at acceptance or after repair. One of these tests is an overvoltage test following the IEC 34-1 standard. EDF specifications leave manufacturers free to choose either AC or DC voltage to perform this test. Experience acquired in this field seems to confirm that tests under high voltage DC give more information than AC on the hidden weaknesses of the winding. The use of DC limits the consequences of test on insulation aging or of a possible dielectric breakdown while voltage is applied. The advantages and drawbacks of both DC and AC are discussed. Various cases dealing with operating generators are described.","PeriodicalId":428411,"journal":{"name":"Proceedings of Electrical/Electronics Insulation Conference","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127878125","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Automated digital winding test analysis methods 自动化数字绕组测试分析方法
Proceedings of Electrical/Electronics Insulation Conference Pub Date : 1993-10-04 DOI: 10.1109/EEIC.1993.631252
S. Schlichting
{"title":"Automated digital winding test analysis methods","authors":"S. Schlichting","doi":"10.1109/EEIC.1993.631252","DOIUrl":"https://doi.org/10.1109/EEIC.1993.631252","url":null,"abstract":"A multitude of winding tests exists to ensure the quality of electrical windings. New detection methods and digital analysis are very useful in the detection of incipient faults in small and large windings, in motors, generators, coils, and transformers. The following automate digital winding test analysis methods are discussed: amplitude tolerance band; ringing frequency examination; error area ratio evaluation; differential error area evaluation; and corona evaluation. The analysis methods can be used individually or in any combination according to the specific needs. Sensitivity can be adjusted by setting certain evaluation criteria and ranges.","PeriodicalId":428411,"journal":{"name":"Proceedings of Electrical/Electronics Insulation Conference","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115674412","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Self-supporting coils choosing the best procedures 自行支撑线圈选择最佳程序
Proceedings of Electrical/Electronics Insulation Conference Pub Date : 1993-10-04 DOI: 10.1109/EEIC.1993.631067
B.F. Cecire
{"title":"Self-supporting coils choosing the best procedures","authors":"B.F. Cecire","doi":"10.1109/EEIC.1993.631067","DOIUrl":"https://doi.org/10.1109/EEIC.1993.631067","url":null,"abstract":"A survey of the materials, equipment and procedures necessary to ensure the proper manufacture of various types of self-supporting coils is presented. The intent is is to aid in the familiarization of many of the alternatives available to help achieve the desired quality and performance in the end product.","PeriodicalId":428411,"journal":{"name":"Proceedings of Electrical/Electronics Insulation Conference","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114872238","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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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