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1999 Rural Electric Power Conference (Cat. No. 99CH36302)最新文献

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Steel utility poles: advantages and applications 钢电线杆:优点及应用
1999 Rural Electric Power Conference (Cat. No. 99CH36302) Pub Date : 1999-05-02 DOI: 10.1109/REPCON.1999.768681
B. Lacoursiere
{"title":"Steel utility poles: advantages and applications","authors":"B. Lacoursiere","doi":"10.1109/REPCON.1999.768681","DOIUrl":"https://doi.org/10.1109/REPCON.1999.768681","url":null,"abstract":"Steel utility poles, which are designed and manufactured to be equivalent in load carrying capacity to wood poles under National Electrical Safety Code (NESC) Grade \"B\" criteria, offer numerous advantages over other pole materials such as wood, concrete, and fiberglass. Steel distribution pole structures can also be installed in a wide range of utility applications. The advantages of steel distribution poles include: design flexibility, high strength, relatively light weight, long life, factory pre-drilling, reduced maintenance costs, predictability and enhanced reliability, no damage due to woodpeckers, pole rot, or fires, no catastrophic or domino effect failures, aesthetically pleasing, environmentally friendly, manufactured from recycled steel, and superior life cycle costs. Since steel distribution poles are designed to be \"wood pole equivalents\", they can be utilized in virtually any single pole or H-Frame application where wood poles of the same class could be used. Typical applications include tangent poles, guyed or unguyed angle, corner, and dead-end structures, transformer poles, riser poles, and switch structures.","PeriodicalId":364482,"journal":{"name":"1999 Rural Electric Power Conference (Cat. No. 99CH36302)","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116774424","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: 10
Challenges of supplying electric power to a large industrial customer in rural areas 向农村地区的大型工业客户供电的挑战
1999 Rural Electric Power Conference (Cat. No. 99CH36302) Pub Date : 1999-05-02 DOI: 10.1109/REPCON.1999.768693
J. L. Verwers, J. R. Sovers
{"title":"Challenges of supplying electric power to a large industrial customer in rural areas","authors":"J. L. Verwers, J. R. Sovers","doi":"10.1109/REPCON.1999.768693","DOIUrl":"https://doi.org/10.1109/REPCON.1999.768693","url":null,"abstract":"As the economy in rural areas changes, many local leaders are attracting new large industrial clients into the area. When a large industrial business does locate in a service area, the rural electric cooperative is faced with many issues: the impact of the new load on existing system infrastructures; the potential issue of power quality on its system; and its impact on its customers. This requires that before a large industrial customer is added, careful studies are made regarding rates, interconnection guidelines, and protection issues. The new customer may require state-of-the-art relay devices and fast-track type installations to meet startup demands. The complexity of the new systems and fast-track construction may require the cooperative to augment its staff with added expertise. This paper discusses these challenges of supplying electric power to a large industrial customer in rural areas.","PeriodicalId":364482,"journal":{"name":"1999 Rural Electric Power Conference (Cat. No. 99CH36302)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131625699","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: 8
Computer aided contingency analysis [of power systems] 计算机辅助应急分析[电力系统]
1999 Rural Electric Power Conference (Cat. No. 99CH36302) Pub Date : 1999-05-02 DOI: 10.1109/REPCON.1999.768687
W. Carr
{"title":"Computer aided contingency analysis [of power systems]","authors":"W. Carr","doi":"10.1109/REPCON.1999.768687","DOIUrl":"https://doi.org/10.1109/REPCON.1999.768687","url":null,"abstract":"As the need for improved distribution system reliability increases, the need for contingency analysis system studies increases. Even with the use of engineering analysis modeling and analytical software, a contingency analysis study is very time and labor intensive. This paper explores the characteristics of distribution system outages and defines a computer aided contingency analysis software program developed by Milsoft Integrated Solutions, Inc.","PeriodicalId":364482,"journal":{"name":"1999 Rural Electric Power Conference (Cat. No. 99CH36302)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116258943","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
Trip and restore distribution circuits at transmission speeds 以传输速度跳闸并恢复配电电路
1999 Rural Electric Power Conference (Cat. No. 99CH36302) Pub Date : 1999-05-02 DOI: 10.1109/REPCON.1999.768677
K. Zimmerman, J. Roberts
{"title":"Trip and restore distribution circuits at transmission speeds","authors":"K. Zimmerman, J. Roberts","doi":"10.1109/REPCON.1999.768677","DOIUrl":"https://doi.org/10.1109/REPCON.1999.768677","url":null,"abstract":"In this paper, the authors show how to reduce tripping and restoration times for faults on distribution circuits. Using relays and/or controls with improved communications capabilities, linked together by optical fiber or other communication channels, one can detect faults and restore load to unaffected line sections faster.","PeriodicalId":364482,"journal":{"name":"1999 Rural Electric Power Conference (Cat. No. 99CH36302)","volume":"2349 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127475646","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: 19
Application of distributed generation in optimised design and operation of rural power supply networks 分布式发电在农村电网优化设计与运行中的应用
1999 Rural Electric Power Conference (Cat. No. 99CH36302) Pub Date : 1999-05-02 DOI: 10.1109/REPCON.1999.768689
N. Ijumba
{"title":"Application of distributed generation in optimised design and operation of rural power supply networks","authors":"N. Ijumba","doi":"10.1109/REPCON.1999.768689","DOIUrl":"https://doi.org/10.1109/REPCON.1999.768689","url":null,"abstract":"Changes in the economic and commercial environment of power systems design and operation have necessitated the need to consider active rural distribution networks, incorporating small generation sources. Distribution generation systems have the potential to utility integrate renewable energy sources, which are abundant in rural areas, and might be economically viable alternative to grid connections reinforcement. In this study, the effects of generation sources on the performance of an existing rural supply network, in terms of voltage levels and system efficiency, have been demonstrated. With load increases of up to 200% and by connecting small generating sources at various load busbars, it was possible to maintain the busbar voltage levels above 0.95 pu, at the rated load of each transformer, and attain an overall system operating efficiency of about 97%.","PeriodicalId":364482,"journal":{"name":"1999 Rural Electric Power Conference (Cat. No. 99CH36302)","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121566484","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: 4
Aerial infrared line inspection 航空红外线路检测
1999 Rural Electric Power Conference (Cat. No. 99CH36302) Pub Date : 1999-05-02 DOI: 10.1109/REPCON.1999.768678
M. Marshall
{"title":"Aerial infrared line inspection","authors":"M. Marshall","doi":"10.1109/REPCON.1999.768678","DOIUrl":"https://doi.org/10.1109/REPCON.1999.768678","url":null,"abstract":"The aerial infrared inspection of power lines is an effective technique used by electric utilities to identify high resistance connections that may lead to line outages. This paper discusses the type of equipment used, inspection intervals, costs, benefits, limitations and optimal use of this inspection technique.","PeriodicalId":364482,"journal":{"name":"1999 Rural Electric Power Conference (Cat. No. 99CH36302)","volume":"341 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124311280","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: 4
Short-term load forecasting using multiple regression analysis 基于多元回归分析的短期负荷预测
1999 Rural Electric Power Conference (Cat. No. 99CH36302) Pub Date : 1999-05-02 DOI: 10.1109/REPCON.1999.768683
C. Perry
{"title":"Short-term load forecasting using multiple regression analysis","authors":"C. Perry","doi":"10.1109/REPCON.1999.768683","DOIUrl":"https://doi.org/10.1109/REPCON.1999.768683","url":null,"abstract":"This paper demonstrates the use of multiple regression analysis to forecast short term loading levels for an electric utility. The model was developed for both the winter and summer due to the differing load profiles.","PeriodicalId":364482,"journal":{"name":"1999 Rural Electric Power Conference (Cat. No. 99CH36302)","volume":"218 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128947777","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: 14
The 40-ohm ground fault phenomenon 40欧姆接地故障现象
1999 Rural Electric Power Conference (Cat. No. 99CH36302) Pub Date : 1999-05-02 DOI: 10.1109/REPCON.1999.768690
J. Dagenhart
{"title":"The 40-ohm ground fault phenomenon","authors":"J. Dagenhart","doi":"10.1109/REPCON.1999.768690","DOIUrl":"https://doi.org/10.1109/REPCON.1999.768690","url":null,"abstract":"Coordination of protective devices on electrical distribution systems always involves the calculation of fault currents. These calculations almost always include a minimum fault current value. This minimum fault current value is not a bolted fault calculation; it includes an assumed impedance. Many utilities have assumed this impedance to be 40 ohms. This paper examines that assumption and provides some guidance on this issue. This paper is based on a study sponsored by the Cooperative Research Network, a division of the National Rural Electric Cooperative Association, based in Arlington, Virginia. This original study was completed in 1997.","PeriodicalId":364482,"journal":{"name":"1999 Rural Electric Power Conference (Cat. No. 99CH36302)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129194893","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: 11
Customer oriented reliability indices and data collection 以客户为导向的可靠性指标和数据收集
1999 Rural Electric Power Conference (Cat. No. 99CH36302) Pub Date : 1999-05-02 DOI: 10.1109/REPCON.1999.768675
R.J. Rusch, D. L. Metz
{"title":"Customer oriented reliability indices and data collection","authors":"R.J. Rusch, D. L. Metz","doi":"10.1109/REPCON.1999.768675","DOIUrl":"https://doi.org/10.1109/REPCON.1999.768675","url":null,"abstract":"There is a lot of discussion today on improving reliability in customer service. There are partially standardized methods and calculations for calculating reliability indices. Reliability analysis that identifies the real problem areas is what is important so effective action can be taken to improve customer service. The reliability analysis begins with selection of reliability measures that actually reflect the needs of your customers. This is followed by data collection and reduction. Data collection can be lengthy and complicated. It should be simple and understandable. This paper develops the reasoning for the selection of relevant indices that are important to a given cooperative. It then discusses the data that must be gathered to compute those indices and how to use the data collected.","PeriodicalId":364482,"journal":{"name":"1999 Rural Electric Power Conference (Cat. No. 99CH36302)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117085747","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: 8
A new generation tree retardant insulation compound for medium voltage power cable 一种用于中压电力电缆的新一代树状阻燃绝缘化合物
1999 Rural Electric Power Conference (Cat. No. 99CH36302) Pub Date : 1999-05-02 DOI: 10.1109/REPCON.1999.768694
P. Lorigan
{"title":"A new generation tree retardant insulation compound for medium voltage power cable","authors":"P. Lorigan","doi":"10.1109/REPCON.1999.768694","DOIUrl":"https://doi.org/10.1109/REPCON.1999.768694","url":null,"abstract":"This paper describes the results of full scale cable testing of novel tree retardant cross-linked polyethylene (TRXLPE) insulation technology. Comparisons are made to cross-linked polyethylene (XLPE) and historical TRXLPE reference standards. Cables were aged under accelerated conditions using various voltage stress and thermal load cycle conditions. Parameters measured include accelerated cable life tests (ACLT), retention of AC breakdown strength, water tree analysis and dissipation factor. Electron micro graphic imaging revealed the size and distribution of micro voids in the new TRXLPE to be smaller than the historical reference standard TRXLPE, supporting its extended life under these conditions.","PeriodicalId":364482,"journal":{"name":"1999 Rural Electric Power Conference (Cat. No. 99CH36302)","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122075100","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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