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1977 EIC 13th Electrical/Electronics Insulation Conference最新文献

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Chemical and dielectric properties of oil-impregnated all polypropylene film power capacitor insulation system 油浸全聚丙烯膜电力电容器绝缘系统的化学和介电性能
1977 EIC 13th Electrical/Electronics Insulation Conference Pub Date : 1977-09-01 DOI: 10.1109/EIC.1977.7461962
S. Yasufuku, T. Umemura, Y. Ishioka, Y. Yasuda
{"title":"Chemical and dielectric properties of oil-impregnated all polypropylene film power capacitor insulation system","authors":"S. Yasufuku, T. Umemura, Y. Ishioka, Y. Yasuda","doi":"10.1109/EIC.1977.7461962","DOIUrl":"https://doi.org/10.1109/EIC.1977.7461962","url":null,"abstract":"Paying particular attention to the chemical interaction between the polypropylene film and aromatic synthetic oil which compose the electrical insulation system of our oil-impregnated all polypropylene film power capacitor, the dielectric properties of the insulation system were measured not only in low electric fields but also at high-voltage conditions and were successfully elucidated by the aid of the theories of dielectrics. It turned out that our oil-impregnated all polypropylene film power capacitor is characterized by its excellent dielectric properties in the wide range of applied voltages.","PeriodicalId":214025,"journal":{"name":"1977 EIC 13th Electrical/Electronics Insulation Conference","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1977-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114560734","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
Fiber optics impact on printed wiring and insulation markets 光纤对印刷布线和绝缘市场的影响
1977 EIC 13th Electrical/Electronics Insulation Conference Pub Date : 1977-09-01 DOI: 10.1109/EIC.1977.7461922
J. Montgomery
{"title":"Fiber optics impact on printed wiring and insulation markets","authors":"J. Montgomery","doi":"10.1109/EIC.1977.7461922","DOIUrl":"https://doi.org/10.1109/EIC.1977.7461922","url":null,"abstract":"Fiber optic cable system US production, exploding from less than $5 million in 1976 to over $800 million in 1990, will achieve a 7 percent penetration of the communication wire and cable market over the 15 year span. The impact on the cable insulation market, however, will be minor, since fiberoptic cables also require insulated sheathing for physical protection. New printed wiring opportunities will be created by production of fiber optic transmitter and receiver modules, plus increased production of broadband equipment made feasible by the availability of broadband fiber optic transmission circuits.","PeriodicalId":214025,"journal":{"name":"1977 EIC 13th Electrical/Electronics Insulation Conference","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1977-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124096285","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
A potentiometer and voltage gradient method for locating ground faults in a wound electrical machine stator 一种用于定位绕线电机定子接地故障的电位器和电压梯度方法
1977 EIC 13th Electrical/Electronics Insulation Conference Pub Date : 1977-09-01 DOI: 10.1109/EIC.1977.7461932
J. Chan
{"title":"A potentiometer and voltage gradient method for locating ground faults in a wound electrical machine stator","authors":"J. Chan","doi":"10.1109/EIC.1977.7461932","DOIUrl":"https://doi.org/10.1109/EIC.1977.7461932","url":null,"abstract":"The location of ground faults in a wound stator is essential for a partial rewind of a new or old winding. The objective is to perform such a test without further damage to the winding. For this purpose, a potentiometer with a sensitive voltmeter has been found to be very accurate in locating a ‘dead short’ as well as a resistive short. Other methods such as the electromagnetic probe and high frequency detector are limited by the nature of the fault and sensitivity. The conventional method of electrically creating a hot spot in the fault area may damage the core iron or the adjacent coils. The proposed test involves two steps. The first step is to locate the pole phase group in question. The second step is to confirm and plot the voltage distribution of this coil group and finally deduce the exact location of the fault in the iron core.","PeriodicalId":214025,"journal":{"name":"1977 EIC 13th Electrical/Electronics Insulation Conference","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1977-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125671073","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
Progress in insulator development for flexible gas insulated transmission systems 柔性气体绝缘输电系统绝缘子研制进展
1977 EIC 13th Electrical/Electronics Insulation Conference Pub Date : 1977-09-01 DOI: 10.1109/EIC.1977.7461975
T. Brandt, P. Netzel, J. Ponder
{"title":"Progress in insulator development for flexible gas insulated transmission systems","authors":"T. Brandt, P. Netzel, J. Ponder","doi":"10.1109/EIC.1977.7461975","DOIUrl":"https://doi.org/10.1109/EIC.1977.7461975","url":null,"abstract":"New concepts in insulator design are required for the special environment of a flexible gas insulated transmission system. This paper presents a discussion of dielectric, mechanical and other property requirements. Test data from preliminary electrical and mechanical evaluations is also shown together with finished insulator performance. Use of field plotting techniques to study dielectric behavior is described. The work reported has been sponsored by EPRI.","PeriodicalId":214025,"journal":{"name":"1977 EIC 13th Electrical/Electronics Insulation Conference","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1977-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132407149","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
Unsaturated polyester resins for vacuum pressure impregnation 真空加压浸渍用不饱和聚酯树脂
1977 EIC 13th Electrical/Electronics Insulation Conference Pub Date : 1977-09-01 DOI: 10.1109/EIC.1977.7461965
Richard H. Ferro
{"title":"Unsaturated polyester resins for vacuum pressure impregnation","authors":"Richard H. Ferro","doi":"10.1109/EIC.1977.7461965","DOIUrl":"https://doi.org/10.1109/EIC.1977.7461965","url":null,"abstract":"The vacuum-pressure impregnation process has steadily gained acceptance in the manufacture of form-wound and random-wound motors in the past decade. With production experience having demonstrated the effectiveness of this procedure, interest in the process has extended to the repair shop segment of the industry. The varied and unpredictable product mix in a repair shop, however, can create a significantly different set of criteria for choice of a VPI impregnant than those required by original equipment manufacture. Solventless unsaturated polyester resins, with their inherent characteristics for excellent tank stability, high thermal capability and excellent electrical properties, offer an alternative to the repair shop industry that is better suited to its wide range of process and performance requirements.","PeriodicalId":214025,"journal":{"name":"1977 EIC 13th Electrical/Electronics Insulation Conference","volume":"119 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1977-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132526777","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
Radiation curable conductive ink 辐射固化导电油墨
1977 EIC 13th Electrical/Electronics Insulation Conference Pub Date : 1977-09-01 DOI: 10.1109/EIC.1977.7461926
D. Bolon, G. Lucas, Siegfried H. Schroeter
{"title":"Radiation curable conductive ink","authors":"D. Bolon, G. Lucas, Siegfried H. Schroeter","doi":"10.1109/EIC.1977.7461926","DOIUrl":"https://doi.org/10.1109/EIC.1977.7461926","url":null,"abstract":"General Electric has developed a photoflash array with many new features of technological interest. These include a new piezo-electric high voltage ignition system, a new lamp design with no filament, a radiation triggered switch, and a novel, low cost circuit board.","PeriodicalId":214025,"journal":{"name":"1977 EIC 13th Electrical/Electronics Insulation Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1977-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130089823","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
Development of methods to retrofill transformers with silicone transformer liquid 硅酮变压器液补充变压器方法的发展
1977 EIC 13th Electrical/Electronics Insulation Conference Pub Date : 1977-09-01 DOI: 10.1109/EIC.1977.7461937
W. C. Page, Terry Michaud
{"title":"Development of methods to retrofill transformers with silicone transformer liquid","authors":"W. C. Page, Terry Michaud","doi":"10.1109/EIC.1977.7461937","DOIUrl":"https://doi.org/10.1109/EIC.1977.7461937","url":null,"abstract":"Sumnary-Because of new environmental and safety requirements for electrical equipment, silicone dielectric liquids are presently being used and evaluated as a transformer coolant. In the transformer maintenance and repair industry there is an interest and need to develop procedures to remove the existing liquid in & transformer, clean the transformer and refill it with silicone transformer liquid. This paper describes retrofilling experiences and related experimentation carried out over the past 5(+) years. Pressure, solubility, processing, water, and other topics including specific case histories are covered. The data and information collected on retrofill of transformers with silicone transformer liquid confirm that such a practice can technically be accomplished.","PeriodicalId":214025,"journal":{"name":"1977 EIC 13th Electrical/Electronics Insulation Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1977-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133183061","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
Ultraviolet curable cqvercoat material for flexible circuitry 柔性电路用紫外固化漆膜材料
1977 EIC 13th Electrical/Electronics Insulation Conference Pub Date : 1977-09-01 DOI: 10.1109/EIC.1977.7461904
J. E. Rie, C. W. Garstang, C. R. Morgan
{"title":"Ultraviolet curable cqvercoat material for flexible circuitry","authors":"J. E. Rie, C. W. Garstang, C. R. Morgan","doi":"10.1109/EIC.1977.7461904","DOIUrl":"https://doi.org/10.1109/EIC.1977.7461904","url":null,"abstract":"Ultraviolet light is finding increasing use in a variety of imaging and non-imaging applications. Many of the UV-curable polymeric systems used in the electronics industry today are based on vinyl polymerization, especially of acrylates, which are generally quite brittle when cured. The system under consideration in this paper is different. It involves the UV initiated addition of a thiol group to a carbon — carbon double bond to give a flexible film.","PeriodicalId":214025,"journal":{"name":"1977 EIC 13th Electrical/Electronics Insulation Conference","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1977-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133841086","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
Arc resistance testing of materials under various gaseous atmospheres 各种气体环境下材料的耐电弧试验
1977 EIC 13th Electrical/Electronics Insulation Conference Pub Date : 1977-09-01 DOI: 10.1109/EIC.1977.7461978
D. H. Reighter
{"title":"Arc resistance testing of materials under various gaseous atmospheres","authors":"D. H. Reighter","doi":"10.1109/EIC.1977.7461978","DOIUrl":"https://doi.org/10.1109/EIC.1977.7461978","url":null,"abstract":"Electrical insulation materials exhibit a wide range of resistance to degradation under electrical arcs in normal air ambients which is well known and documented. Very little is known about the effects of discharges over dielectrics in highly insulating gaseous atmospheres such as sulfur hexafluoride (SF6). This test provides a method of categorizing this important parameter, and the effects can be measured and compared. Wet tracking tests can not be used since they are made in normal air ambient and also introduce a contaminate on the surface. Arc resistance tests are too severe and are also performed in an air atmosphere. A large selection of insulation material has been tested, graded, and reported in this paper.","PeriodicalId":214025,"journal":{"name":"1977 EIC 13th Electrical/Electronics Insulation Conference","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1977-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115398236","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
A flex circuit composite based on a fiber blend 一种基于纤维混纺的挠性电路复合材料
1977 EIC 13th Electrical/Electronics Insulation Conference Pub Date : 1977-09-01 DOI: 10.1109/EIC.1977.7461917
R. T. Traskos
{"title":"A flex circuit composite based on a fiber blend","authors":"R. T. Traskos","doi":"10.1109/EIC.1977.7461917","DOIUrl":"https://doi.org/10.1109/EIC.1977.7461917","url":null,"abstract":"A copper clad composite for flexible and multilayer circuitry, having a good combination of electrical, thermal and mechanical properties in an extremely flexible and easily punchable form is described. The material is based on a newly-developed, random nonwoven fabric which is an intimate blend of polyester and glass fibers. The composite which results when this fabric is impregnated with a flexible, flame retardant epoxy resin possesses attributes not available in circuit materials based on polyimide or polyester films, or on resin saturated woven glass or polyester or polyarylamide papers.","PeriodicalId":214025,"journal":{"name":"1977 EIC 13th Electrical/Electronics Insulation Conference","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1977-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114919268","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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