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1983 EIC 6th Electrical/Electronical Insulation Conference最新文献

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Design of compostte supports for air gap stator windings for turbine generators 涡轮发电机气隙定子绕组复合支架的设计
1983 EIC 6th Electrical/Electronical Insulation Conference Pub Date : 1983-10-01 DOI: 10.1109/EEIC.1983.7465026
R. Raghava, E. Fort, M. Patel, J. C. Botts
{"title":"Design of compostte supports for air gap stator windings for turbine generators","authors":"R. Raghava, E. Fort, M. Patel, J. C. Botts","doi":"10.1109/EEIC.1983.7465026","DOIUrl":"https://doi.org/10.1109/EEIC.1983.7465026","url":null,"abstract":"Mechanical, thermal and electrical design requirements of cylindrical support structures for large generators are demanding. High elastic modulus and matching linear coefficients of thermal expansions in the axial and circumferential directions are required to meet design criteria for successful performance of machines. In order to achieve design objectives, a filament winding process using high performance composites was evaluated. This paper discusses the use of various reinforcements such as E-glass and graphite fiber in an epoxy resin matrix. Effect of hybridization (combining two reinforcing fibers in various proportions) on mechanical and thermal properties has been evaluated analytically using laminate theory. The influence of fiber to matrix ratio on various properties has also been evaluated. Since graphite fibers are electrically conductive, it was essential to determine their effect on electrical properties and the influence of graphite fibers on creepage distance under high voltage is discussed. Thin graphite/epoxy laminates (12\" × 12\" × 1/16\" thick) were interspersed in the laminate and their effect on insulating properties of the laminate were evaluated.","PeriodicalId":148370,"journal":{"name":"1983 EIC 6th Electrical/Electronical Insulation Conference","volume":"116 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1983-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117184898","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
Considerations in seismic qualification of insulation systems 隔震体系抗震鉴定的考虑
1983 EIC 6th Electrical/Electronical Insulation Conference Pub Date : 1983-10-01 DOI: 10.1109/EEIC.1983.7465025
J. Hendricks, W. R. Rusen, G. B. Patrick
{"title":"Considerations in seismic qualification of insulation systems","authors":"J. Hendricks, W. R. Rusen, G. B. Patrick","doi":"10.1109/EEIC.1983.7465025","DOIUrl":"https://doi.org/10.1109/EEIC.1983.7465025","url":null,"abstract":"Seismic qualification of safety related equipment has been of concern to the insulation industry for nuclear power plant application since the early 1970's. Most recently, these concerns have been expanded to other industries through building codes, design criteria, etc. This paper will present a comparison of the three most common techniques used for seismic qualification: full scale testing, analysis and combined test/analysis. Two case examples will be presented to highlight the most resent technical qualification breakthrough; combined test and analysis.","PeriodicalId":148370,"journal":{"name":"1983 EIC 6th Electrical/Electronical Insulation Conference","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1983-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121378863","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
Epoxy resin rich system for electrical machines 富环氧树脂电机系统
1983 EIC 6th Electrical/Electronical Insulation Conference Pub Date : 1983-10-01 DOI: 10.1109/EEIC.1983.7465115
L. Raju
{"title":"Epoxy resin rich system for electrical machines","authors":"L. Raju","doi":"10.1109/EEIC.1983.7465115","DOIUrl":"https://doi.org/10.1109/EEIC.1983.7465115","url":null,"abstract":"Bharat Heavy Electricals Limited, INDIA manufactures among its diversified products Turbogenerators of rating 2.5 MW to 500 MW & other Electrical machines like AC/DC motors, Synchronous Condensers etc. at 3 of its Major manufacturing Divisions at Hyderabad, Hardwar and Bhopal. The foundation towards improved and reliable insulation system was laid in B.H.E.L., when the first \"Epoxy Resin Rich Paper Tape Insulated Bar of 60 MW, 11 KV Turbogenerator was ejected out of the mould after curing, in year 1966 in Hyderabad plant of BHEL, Considering the superiority of this Insulation system in a span of 6 years the other electrical machines manufacturing units of BHEL at Hardwar and Bhopal switchedover to this system of Insulation for stators of Electrical machines from their conventional bituminastic insulation systems being followed earlier. The paper briefly describes the experiences of BHEL with this insulation system, in a span of 16 years relating to material improvements, Quality norms, Process and tooling improvements and other measures taken for stabilisation of this system, Highlighted in the paper are some of the site problems encountered by BHEL with this Insulation in operation and Remedial measures taken for elimination of the same in Design & Manufacture.","PeriodicalId":148370,"journal":{"name":"1983 EIC 6th Electrical/Electronical Insulation Conference","volume":"184 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1983-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126022204","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
An advancement in mica paper VPI tapes 云母纸VPI带的研究进展
1983 EIC 6th Electrical/Electronical Insulation Conference Pub Date : 1983-10-01 DOI: 10.1109/EEIC.1983.7465112
J. W. Roberts
{"title":"An advancement in mica paper VPI tapes","authors":"J. W. Roberts","doi":"10.1109/EEIC.1983.7465112","DOIUrl":"https://doi.org/10.1109/EEIC.1983.7465112","url":null,"abstract":"Growth in the application of the Vacuum Pressure Impregnation treatment of form wound motors has stimulated extensive research in the development of tapes receptive to such processing. Criteria which must be achieved in the design of these unique mica based tapes include low binder content, compatibility with the wide variety of industrially available impregnants, exhibiting good electrical properties, long shelf life, good handling characteristics and posing no threat of dermatitis. Such an outstanding tape has been developed by utilizing technology based on elastomeric hydrocarbons.","PeriodicalId":148370,"journal":{"name":"1983 EIC 6th Electrical/Electronical Insulation Conference","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1983-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123407537","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
Evaluation of tapes and wrappers for vacuum pressure impregnation of high voltage form wound coils 高压环形线圈真空压力浸渍用胶带和包装材料的评价
1983 EIC 6th Electrical/Electronical Insulation Conference Pub Date : 1983-10-01 DOI: 10.1109/EEIC.1983.7465111
G. H. Miller
{"title":"Evaluation of tapes and wrappers for vacuum pressure impregnation of high voltage form wound coils","authors":"G. H. Miller","doi":"10.1109/EEIC.1983.7465111","DOIUrl":"https://doi.org/10.1109/EEIC.1983.7465111","url":null,"abstract":"Insulation material suppliers are witnessing a rapid growth of interest for both repair and manufacture of high voltage (>6900) rotating apparatus. Although these machines have been produced for several years the new interest is growing for several reasons, among them: 1. High voltage machines have now been operating long enough to begin needing repair and overhaul. 2. Rewind upgrading of earlier machines is increasingly being requested. 3. Economic conditions have created an interest among service shops in areas not previously enjoyed by them.","PeriodicalId":148370,"journal":{"name":"1983 EIC 6th Electrical/Electronical Insulation Conference","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1983-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122134283","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
Polyetherimide: High temperature, melt processable insulation 聚醚酰亚胺:高温、熔融可加工的绝缘材料
1983 EIC 6th Electrical/Electronical Insulation Conference Pub Date : 1983-10-01 DOI: 10.1109/EEIC.1983.7465066
James P. Bright
{"title":"Polyetherimide: High temperature, melt processable insulation","authors":"James P. Bright","doi":"10.1109/EEIC.1983.7465066","DOIUrl":"https://doi.org/10.1109/EEIC.1983.7465066","url":null,"abstract":"Polyetherimide (PEI) is a new thermoplastic resin with potential uses in a broad range of electrical applications including magnet wire Insulation, connectors, slot liners, and pressure sensitive tape. The material exhibits high temperature stability, excellent electrical properties, extremely good flame resistance, and durability under a variety of aggressive environmental conditions. As a fully melt processible resin, polyetherimide offers high manufacturing productivity plus the capability of reusing scrap material.","PeriodicalId":148370,"journal":{"name":"1983 EIC 6th Electrical/Electronical Insulation Conference","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1983-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129704442","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
Analysis of moisture in oil-impregnated paper tapes 油浸纸带水分分析
1983 EIC 6th Electrical/Electronical Insulation Conference Pub Date : 1983-10-01 DOI: 10.1109/EEIC.1983.7465098
M. Roto, Julian F. Johnson, D. Damon, J. Engelhardt
{"title":"Analysis of moisture in oil-impregnated paper tapes","authors":"M. Roto, Julian F. Johnson, D. Damon, J. Engelhardt","doi":"10.1109/EEIC.1983.7465098","DOIUrl":"https://doi.org/10.1109/EEIC.1983.7465098","url":null,"abstract":"The Dupont Moisture Analyzer, model #903, has been successfully used in our laboratories to measure moisture content in the ppm range in oil impregnated paper tape samples. The Dupont 903 utilizes a coulometric technique to quantitatively determine moisture levels. Present work indicates that the best results are obtained by heating at 70°C, higher temperatures cause decomposition of the paper. Reproducible results are only obtained with careful sample preparation and handling.","PeriodicalId":148370,"journal":{"name":"1983 EIC 6th Electrical/Electronical Insulation Conference","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1983-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129124934","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
"V.P.I. — Functional evaluation of impregnants" vpi -浸渍剂的功能评价
1983 EIC 6th Electrical/Electronical Insulation Conference Pub Date : 1983-10-01 DOI: 10.1109/EEIC.1983.7465062
L. J. Rejda
{"title":"\"V.P.I. — Functional evaluation of impregnants\"","authors":"L. J. Rejda","doi":"10.1109/EEIC.1983.7465062","DOIUrl":"https://doi.org/10.1109/EEIC.1983.7465062","url":null,"abstract":"Multi-functional testing of an insulation system is gaining more recognition and acceptance as indicated in IEEE Standard 434-1973. Thermal aging is only one factor causing deterioration of all insulation systems. Voltage stress along with thermo-mechanical forces, electro-mechanical forces and environments are also destructive. This paper reviews the various physical / mechanical functions of solventless resin impregnants as a component of an insulation system. It reviews their potential advantages and problems on all sizes of electric motors and generators.","PeriodicalId":148370,"journal":{"name":"1983 EIC 6th Electrical/Electronical Insulation Conference","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1983-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121316067","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
Comparison of insulating varnishes 绝缘清漆的比较
1983 EIC 6th Electrical/Electronical Insulation Conference Pub Date : 1983-10-01 DOI: 10.1109/EEIC.1983.7465108
G. Richon
{"title":"Comparison of insulating varnishes","authors":"G. Richon","doi":"10.1109/EEIC.1983.7465108","DOIUrl":"https://doi.org/10.1109/EEIC.1983.7465108","url":null,"abstract":"Solvent varnishes have been used on electrical equipment with excellent results for many years. They combine low cost, easy handling and excellent electrical and thermal aging properties. The growth of regulatory institutions during the first half of the 1970's and legislation concerning the toxicity and safety of organic solvents led manufacturers to search for alternate materials. Two systems, quite different in makeup, were formulated. Both systems have been in use for 5–10 years. We have obtained a good deal of information on actual field usage of these systems. This paper reports on handling and use problems experienced, with water and solventless varnishes, and gives some processing data comparing the three systems.","PeriodicalId":148370,"journal":{"name":"1983 EIC 6th Electrical/Electronical Insulation Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1983-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116178611","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
Thermal classification of magnet wire in NEMA MW-1000
1983 EIC 6th Electrical/Electronical Insulation Conference Pub Date : 1983-10-01 DOI: 10.1109/EEIC.1983.7465045
Phil E. Alexander
{"title":"Thermal classification of magnet wire in NEMA MW-1000","authors":"Phil E. Alexander","doi":"10.1109/EEIC.1983.7465045","DOIUrl":"https://doi.org/10.1109/EEIC.1983.7465045","url":null,"abstract":"Film insulated magnet wire was the first type of electrical insulating material to standardize a thermal life procedure based on the original work of Dr. Thomas Dakin.1 The procedure was developed by AIEE/IEEE in the 1950's and adopted by NEMA, ASTM and IEC in the 1960's. The expansion of the general aging procedure and the evaluation of other insulating materials has resulted in the development of various guidelines which have been refined through the years. This paper traces the evolution of magnet wire thermal life testing and outlines the method used by the NEMA Magnet Wire Committee to establish a thermal class for each magnet wire product standard recognized in NEMA MW-1000, the NEMA Magnet Wire Standard.26","PeriodicalId":148370,"journal":{"name":"1983 EIC 6th Electrical/Electronical Insulation Conference","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1983-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127786563","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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