1985 EIC 17th Electrical/Electronics Insulation Conference最新文献_第3页

General electric's third generation VPI resin 通用电气的第三代VPI树脂

1985 EIC 17th Electrical/Electronics Insulation Conference Pub Date : 1985-09-01 DOI: 10.1109/EIC.1985.7458589

M. Markovitz, W. H. Gottung, G. D. McClary, J.R. Richute, W. R. Schultz, J. D. Sheaffer

引用次数: 1

The use of a modified polybutadiene resin system for electrical and electronic applications 用于电气和电子应用的改性聚丁二烯树脂系统的使用

1985 EIC 17th Electrical/Electronics Insulation Conference Pub Date : 1985-09-01 DOI: 10.1109/EIC.1985.7458601

J. Conroy

引用次数: 0

Space factor of amorphous metal laminations 非晶金属片的空间因子

1985 EIC 17th Electrical/Electronics Insulation Conference Pub Date : 1985-09-01 DOI: 10.1109/EIC.1985.7458612

K. Lin

引用次数: 0

A new technique for core lamination testing 一种新的岩芯层压测试技术

1985 EIC 17th Electrical/Electronics Insulation Conference Pub Date : 1985-09-01 DOI: 10.1109/EIC.1985.7458617

C. Rickson

引用次数: 2

Small motor market trends 小型电机市场趋势

1985 EIC 17th Electrical/Electronics Insulation Conference Pub Date : 1985-09-01 DOI: 10.1109/EIC.1985.7458597

H. Neidhart

引用次数: 0

Copper rod requirements for magnet wire 磁铁线用铜棒要求

1985 EIC 17th Electrical/Electronics Insulation Conference Pub Date : 1985-09-01 DOI: 10.1109/EIC.1985.7458636

H. Pops

{"title":"Copper rod requirements for magnet wire","authors":"H. Pops","doi":"10.1109/EIC.1985.7458636","DOIUrl":"https://doi.org/10.1109/EIC.1985.7458636","url":null,"abstract":"Because of stringent demands imposed upon rod producers by manufacturers of magnet wire, the highest quality copper being produced today is usually channelled towards this very important segment of the wire industry. Unfortunately, there are no existing specifications presently in use that can predict quantitively such factors as drawability, annealing behaviour, surface quality, and conformability. Inasmuch as ASTM specification B49 (Hot-rolled copper redraw rod for electrical purposes) describes only very general requirements such as 99.90% copper, tensile elongation exceeding 30%, conductivity greater than 100% IACS and surface quality “free of all imperfections not consistent with good commercial practice”, a wide spectrum of rod grades having considerable variation in quality frequently finds its way into the magnet wire marketplace. Consequently, a need exists to replace subjective opinions concerning copper rod quality with meaningful parameters that not only can be accurately measured, but, equally important, can give some estimate of processing capability and final (bare) wire quality. The purpose of this paper is to help fill this void and remove some of the guesswork and inconsistencies frequently employed to assess rod performance. No attempt will be made to develop a working set of specifications.","PeriodicalId":188957,"journal":{"name":"1985 EIC 17th Electrical/Electronics Insulation Conference","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124748641","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: 5

Effect of insulator surface temperature on the flashover voltage of outdoor insulators 绝缘子表面温度对室外绝缘子闪络电压的影响

1985 EIC 17th Electrical/Electronics Insulation Conference Pub Date : 1985-09-01 DOI: 10.1109/EIC.1985.7458580

A. Rodriguez, H. Nour, F. Wang, S. Dale

{"title":"Effect of insulator surface temperature on the flashover voltage of outdoor insulators","authors":"A. Rodriguez, H. Nour, F. Wang, S. Dale","doi":"10.1109/EIC.1985.7458580","DOIUrl":"https://doi.org/10.1109/EIC.1985.7458580","url":null,"abstract":"Contamination on power system insulation can cause flashovers and subsequent outages when moisture deposits on the surface of the insulators to form electrolytes. Fog and light drizzle have been observed to be the most conducive form of moisture leading to flashovers; whereas, rain will wash off most of the soluble contaminants on the insulation's surface. The initial wetting is therefore a critical stage in the flashover process of contaminated insulators. This paper describes flashover tests made in a fog chamber on dc energized suspension insulators. The test insulators were preheated and the effect of the insulator's relative surface temperature on the flashover voltage was noted. The test results indicate that if the insulator's body heat can keep the surface sufficiently dry through this critical wetting stage, there can be a significant increase in the flashover voltage: as high as four times that of an insulator with a surface temperature equal to the air temperature and under the same contamination and fog conditions. This finding could be applied to abate contamination problems on insulation at severe pollution sites. To generate the required heating, an impedance element can be embedded in an insulator with a castable dielectric body. Calculations indicate that the energy necessary to obtain this internal body heating effect will be comparable to the energy losses due to leakage current and partial arcing caused by the contaminant layer.","PeriodicalId":188957,"journal":{"name":"1985 EIC 17th Electrical/Electronics Insulation Conference","volume":"898 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123261416","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: 2

“EASA” industry's answer for todays technical needs “EASA”行业对当今技术需求的回答

1985 EIC 17th Electrical/Electronics Insulation Conference Pub Date : 1985-09-01 DOI: 10.1109/EIC.1985.7458616

C. M. Evans

引用次数: 0

Computer integrated manufacturing systems and insulation analysis 计算机集成制造系统和绝缘分析

1985 EIC 17th Electrical/Electronics Insulation Conference Pub Date : 1985-09-01 DOI: 10.1109/EIC.1985.7458568

M. Epstein

引用次数: 0

Dielectric analysis of a vacuum pressure impregnation process to evaluate impregnating characteristics of a newly developed V.P.I, tape 真空加压浸渍过程的介电分析，以评估新开发的V.P.I胶条的浸渍特性

1985 EIC 17th Electrical/Electronics Insulation Conference Pub Date : 1985-09-01 DOI: 10.1109/EIC.1985.7458571

J. W. Roberts, Sahag Ohanesian

引用次数: 1