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Proceedings of 1996 Transmission and Distribution Conference and Exposition最新文献

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Automated primary distribution system design: reliability and cost optimization 自动化一次配电系统设计:可靠性和成本优化
Proceedings of 1996 Transmission and Distribution Conference and Exposition Pub Date : 1996-09-15 DOI: 10.1109/TDC.1996.545906
R.E. Brown, S. Gupta, R. Christie, S. Venkata, R. Fletcher
{"title":"Automated primary distribution system design: reliability and cost optimization","authors":"R.E. Brown, S. Gupta, R. Christie, S. Venkata, R. Fletcher","doi":"10.1109/TDC.1996.545906","DOIUrl":"https://doi.org/10.1109/TDC.1996.545906","url":null,"abstract":"After the routing of a primary distribution system has been established, the system needs to be designed in detail-switches and protection devices must be placed, automation schemes must be decided upon, and so on. This design stage has a critical impact on the reliability and cost of a distribution system. This paper proposes an economic criterion for this design stage, compares several automated design methods, and identifies the algorithm best suited for distribution system reliability and cost optimization. This method is then applied to an existing utility distribution feeder and the results are discussed.","PeriodicalId":105076,"journal":{"name":"Proceedings of 1996 Transmission and Distribution Conference and Exposition","volume":"116 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116208339","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: 80
Overcurrent protection of pole top distribution transformers that have tank mounted lightning arresters 装有储罐式避雷器的极顶配电变压器过流保护
Proceedings of 1996 Transmission and Distribution Conference and Exposition Pub Date : 1996-09-15 DOI: 10.1109/TDC.1996.547576
J. Lunsford
{"title":"Overcurrent protection of pole top distribution transformers that have tank mounted lightning arresters","authors":"J. Lunsford","doi":"10.1109/TDC.1996.547576","DOIUrl":"https://doi.org/10.1109/TDC.1996.547576","url":null,"abstract":"When protecting distribution transformers, most protection engineers in the utility industry have recognized the importance of placing arresters either on the transformer tank or under oil within the transformer tank. This method greatly reduces arrester lead length and the associated increase in discharge voltage thereby improving transformer failure rates. To obtain the shortest lead lengths possible, utilities have moved from arrester installations on the pole or cross arm to arresters mounted on the transformer tank. By moving the arrester on the tank (or under oil), the lead lengths are shortened as much as possible. Utility experience has proven that this method of arrester protection will decrease the number of transformer failures due to lightning. Another benefit of moving the arrester to the load side of the fuse is that the fuse can also protect the arrester.","PeriodicalId":105076,"journal":{"name":"Proceedings of 1996 Transmission and Distribution Conference and Exposition","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116265394","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
Application of high impedance fault detectors: a summary of the panel session held at the 1995 IEEE PES summer meeting 高阻抗故障检测器的应用:1995年IEEE PES夏季会议小组会议总结
Proceedings of 1996 Transmission and Distribution Conference and Exposition Pub Date : 1996-09-15 DOI: 10.1109/TDC.1996.545923
J. Tengdin, E. E. Baker, J. Burke, B. Russell, R.H. Jones, T. Wiedman, N.J. Johnson
{"title":"Application of high impedance fault detectors: a summary of the panel session held at the 1995 IEEE PES summer meeting","authors":"J. Tengdin, E. E. Baker, J. Burke, B. Russell, R.H. Jones, T. Wiedman, N.J. Johnson","doi":"10.1109/TDC.1996.545923","DOIUrl":"https://doi.org/10.1109/TDC.1996.545923","url":null,"abstract":"This paper is a summary of the six presentations made at a panel discussion held at the 1995 Summer Power Meeting. The material presented by each author has been edited and condensed. The papers cover: a utility perspective on fault detectors; sensitivity and selectivity of overcurrent protective devices; fault detection technology; and application of high impedance fault detectors in a utility with long rural lines.","PeriodicalId":105076,"journal":{"name":"Proceedings of 1996 Transmission and Distribution Conference and Exposition","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133807451","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
Calculation of impulse voltage stresses in transformer windings 变压器绕组冲击电压应力的计算
Proceedings of 1996 Transmission and Distribution Conference and Exposition Pub Date : 1996-09-15 DOI: 10.1109/TDC.1996.547575
J. McWhirter, T.M. Ising, K. Kirk
{"title":"Calculation of impulse voltage stresses in transformer windings","authors":"J. McWhirter, T.M. Ising, K. Kirk","doi":"10.1109/TDC.1996.547575","DOIUrl":"https://doi.org/10.1109/TDC.1996.547575","url":null,"abstract":"A computer program has been developed for the design of transformers to withstand impulse voltages. It contains novel features including the calculation of relative electric field intensities. The program is intuitive in its use and has a flexibility that will allow future enhancements. The application is to concentric core form, disk coil high voltage windings, including the interleaving of all or part of the coils. Comparisons of measurements and calculations are presented. We demonstrate the effect on the voltage stresses of the time of the front of wave, insulation treatment, and chopping of the wave.","PeriodicalId":105076,"journal":{"name":"Proceedings of 1996 Transmission and Distribution Conference and Exposition","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133462895","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
Evaluation of service aged 35 kV TR-XLPE URD cables 35千伏TR-XLPE电缆使用年限评价
Proceedings of 1996 Transmission and Distribution Conference and Exposition Pub Date : 1996-09-15 DOI: 10.1109/TDC.1996.547548
C. Katz, M. Walker
{"title":"Evaluation of service aged 35 kV TR-XLPE URD cables","authors":"C. Katz, M. Walker","doi":"10.1109/TDC.1996.547548","DOIUrl":"https://doi.org/10.1109/TDC.1996.547548","url":null,"abstract":"This paper provides information on aging of URD cable insulated with tree-retardant crosslinked polyethylene (TR-XLPE) compound, installed in a typical utility environment. Numerous evaluations were performed on samples of the cables aged up to 7 years in-service. AC and impulse voltage breakdown data are compared with data for similar 35 kV ethylene propylene rubber (EPR) and crosslinked polyethylene (XLPE) insulated cables removed from the same utility system. The data show that, to date, the rate of degradation of TR-XLPE cables is less than that of the EPR and XLPE insulated cables. Extrapolation of the data, assuming the same rate, indicates TR-XLPE cable will have the longest life.","PeriodicalId":105076,"journal":{"name":"Proceedings of 1996 Transmission and Distribution Conference and Exposition","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133555956","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: 17
A novel algorithm for high-resistance earth-fault distance protection 一种新的高阻接地故障距离保护算法
Proceedings of 1996 Transmission and Distribution Conference and Exposition Pub Date : 1996-09-15 DOI: 10.1109/TDC.1996.547558
P. Ye, K. Li, D. Chen, A. K. David
{"title":"A novel algorithm for high-resistance earth-fault distance protection","authors":"P. Ye, K. Li, D. Chen, A. K. David","doi":"10.1109/TDC.1996.547558","DOIUrl":"https://doi.org/10.1109/TDC.1996.547558","url":null,"abstract":"The steady-state operating characteristic of earth-fault distance protection based on a differential equation is analyzed. It is shown that this system may either over-reach or under-reach at some power system operating conditions. A novel algorithm for high-resistance earth-fault distance protection is put forward. Theoretical analysis and digital simulation results show that this new algorithm can overcome the steady-state over-reach problem with excellent reach accuracy and operating time.","PeriodicalId":105076,"journal":{"name":"Proceedings of 1996 Transmission and Distribution Conference and Exposition","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126032366","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: 13
Implementing system-wide power quality monitoring plans 实施全系统电能质量监测计划
Proceedings of 1996 Transmission and Distribution Conference and Exposition Pub Date : 1996-09-15 DOI: 10.1109/TDC.1996.545911
G. Rauch, D. Sabin, M. McGranaghan, A. Sundaram
{"title":"Implementing system-wide power quality monitoring plans","authors":"G. Rauch, D. Sabin, M. McGranaghan, A. Sundaram","doi":"10.1109/TDC.1996.545911","DOIUrl":"https://doi.org/10.1109/TDC.1996.545911","url":null,"abstract":"Monitoring the performance of AC power delivery systems is increasingly important for electric utilities as deregulation and competition become a reality. Customers are expecting higher levels of power quality to assure proper operation of sensitive equipment and processes. Coordination between utility and customer is required to assure compatibility between end use equipment requirements and power supply characteristics. Monitoring of the system performance is becoming an increasingly important part of assuring this compatibility. This paper describes the concepts of designing power quality monitoring systems including instrumentation selection and deployment, and data collection, management and analysis.","PeriodicalId":105076,"journal":{"name":"Proceedings of 1996 Transmission and Distribution Conference and Exposition","volume":"11 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129208512","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: 18
Virginia Power's use of polymer housed surge arresters to protect 138 kV transmission lines 弗吉尼亚电力公司使用聚合物外壳避雷器来保护138千伏输电线路
Proceedings of 1996 Transmission and Distribution Conference and Exposition Pub Date : 1996-09-15 DOI: 10.1109/TDC.1996.545948
J.J. Babik, M. L. Lamb
{"title":"Virginia Power's use of polymer housed surge arresters to protect 138 kV transmission lines","authors":"J.J. Babik, M. L. Lamb","doi":"10.1109/TDC.1996.545948","DOIUrl":"https://doi.org/10.1109/TDC.1996.545948","url":null,"abstract":"The purpose of this paper is to detail the factors contributing to Virginia Power's decision to use polymer housed metal-oxide surge arresters to improve the lightning performance of their 138 kV system. This paper reviews traditional and modern lightning protection methods and the various parameters that influence their effectiveness.","PeriodicalId":105076,"journal":{"name":"Proceedings of 1996 Transmission and Distribution Conference and Exposition","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115376170","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
Disturbances recorded by power quality monitors during the "West Coast Outage" “西海岸停电”期间电能质量监测器记录的干扰
Proceedings of 1996 Transmission and Distribution Conference and Exposition Pub Date : 1996-09-15 DOI: 10.1109/TDC.1996.545909
D. Brooks, R. Dugan, T. Grebe, A. Sundaram
{"title":"Disturbances recorded by power quality monitors during the \"West Coast Outage\"","authors":"D. Brooks, R. Dugan, T. Grebe, A. Sundaram","doi":"10.1109/TDC.1996.545909","DOIUrl":"https://doi.org/10.1109/TDC.1996.545909","url":null,"abstract":"On December 14, 1994, a significant portion of the Western System's Coordinating Council (USA) interconnection experienced an electric power disturbance that affected more than a million customers. The event was widely publicized and was labeled by the media as the \"West Coast Outage\". Many trade publications published articles describing how the event unfolded. This paper presents field measurements that were recorded by power quality monitors in the affected region during the disturbance. Included are various power quality anomalies which result from the unusual power flows that developed as the event progressed.","PeriodicalId":105076,"journal":{"name":"Proceedings of 1996 Transmission and Distribution Conference and Exposition","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126681162","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
Adaptive reclosure of HV overhead lines 高压架空线路自适应重合闸
Proceedings of 1996 Transmission and Distribution Conference and Exposition Pub Date : 1996-09-15 DOI: 10.1109/TDC.1996.547557
W. Laycock, C. Eng
{"title":"Adaptive reclosure of HV overhead lines","authors":"W. Laycock, C. Eng","doi":"10.1109/TDC.1996.547557","DOIUrl":"https://doi.org/10.1109/TDC.1996.547557","url":null,"abstract":"An alternative approach to the present situation for automatic reclosure of HV lines, in particular, problems of repetitive reclosure onto permanent faults and lack of wider system co-ordination, is possible using modern technology. In order to determine the appropriate response to single phase to ground or other types of fault, it is necessary to measure prevailing conditions in the network and adapt the response to correspond to the most favoured outcome. This is achieved in protection relays on a circuit by circuit basis, with the option of end-to-end communications, through the use of neural networks and expert systems. Experience of trial installations on the ESKOM network in South Africa is described and further work defined.","PeriodicalId":105076,"journal":{"name":"Proceedings of 1996 Transmission and Distribution Conference and Exposition","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114893730","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
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