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IEEE Transactions on Power Apparatus and Systems最新文献

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Relationships of National Electrical Safety Code Vertical Clearances and Potentially Conflicting Activity 国家电气安全规范垂直间隙与潜在冲突活动的关系
IEEE Transactions on Power Apparatus and Systems Pub Date : 1985-11-01 DOI: 10.1109/TPAS.1985.318846
A. Clapp
{"title":"Relationships of National Electrical Safety Code Vertical Clearances and Potentially Conflicting Activity","authors":"A. Clapp","doi":"10.1109/TPAS.1985.318846","DOIUrl":"https://doi.org/10.1109/TPAS.1985.318846","url":null,"abstract":"The development of the vertical clearance requirements of the National Electrical Safety Code (NESC) [1] is briefly discussed and illustrated. Diagrams and tables are provided to summarize the clearances which generally apply in each land category and show the relationship of these clearances to the potential conflicting activities underneath the line. Comments on intended applications are included to aid engineers in understanding vertical clearance requirements and in developing special clearances for applications not specified in the NESC.","PeriodicalId":227345,"journal":{"name":"IEEE Transactions on Power Apparatus and Systems","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123125793","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
Probability And Consequence Of Gasoline Ignition Under HVAC Transmission Lines 暖通输电线路下汽油着火的概率及后果
IEEE Transactions on Power Apparatus and Systems Pub Date : 1985-11-01 DOI: 10.1109/TPAS.1985.318828
D. Deno, Mike Silva
{"title":"Probability And Consequence Of Gasoline Ignition Under HVAC Transmission Lines","authors":"D. Deno, Mike Silva","doi":"10.1109/TPAS.1985.318828","DOIUrl":"https://doi.org/10.1109/TPAS.1985.318828","url":null,"abstract":"This paper reports on an evaluation of the probability and consequences of electric field ind fuel ignition during refueling near HV transmisi lines. Probability of fuel ignition is evaluated using a Monte Carlo simulation and results are applied to a sample problem to demonstrate event likelihood. A series of experiments using a specially modified vehicle provides the answer to what happens if ignition occurs. Results indicate that the possibility of electric field induced fuel ignition is extremely unlikely to occur. The experiments indicate that even if electric field induced sparks cause fuel ignition, this is not a catastrophic event and does not pose a safety hazard for practical situations.","PeriodicalId":227345,"journal":{"name":"IEEE Transactions on Power Apparatus and Systems","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121520804","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
Utility Experience With Coherency-Based Dynamic Equivalents Of Very Large Systems 基于一致性的超大型系统动态等效的效用体验
IEEE Transactions on Power Apparatus and Systems Pub Date : 1985-11-01 DOI: 10.1109/TPAS.1985.318813
R. Newell, M. Risan, L. Allen, Ic Rao, D. Stuehm
{"title":"Utility Experience With Coherency-Based Dynamic Equivalents Of Very Large Systems","authors":"R. Newell, M. Risan, L. Allen, Ic Rao, D. Stuehm","doi":"10.1109/TPAS.1985.318813","DOIUrl":"https://doi.org/10.1109/TPAS.1985.318813","url":null,"abstract":"The method of calculating dynamic equivalents of power systems by means of generator coherency has been around for some time [1,2,3] and a number of results have been described [4,5,6]. The work described in this paper utilizes some of the production grade tools which have been developed and extends previous work in several areas. Most notably, the full and reduced systems have been compared by detailed transient stability simulations of a size believed to never have been previously attempted in the power systems industry. In addition, various aspects of coherency based reduction have been studied, including the effects of detailed representation of synchronous machines within the equivalent itself. Finally, coherency-based equivalents are compared with dynamic equivalents developed by other mre traditional methods.","PeriodicalId":227345,"journal":{"name":"IEEE Transactions on Power Apparatus and Systems","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114177038","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: 30
Effects Of Distribution System Reliability Index Distributions Upon Interruption Cost/Reliability Worth Estimates 配电系统可靠性指标分布对中断成本/可靠性价值估计的影响
IEEE Transactions on Power Apparatus and Systems Pub Date : 1985-11-01 DOI: 10.1109/TPAS.1985.318836
E. Wojczynski, R. Billinton
{"title":"Effects Of Distribution System Reliability Index Distributions Upon Interruption Cost/Reliability Worth Estimates","authors":"E. Wojczynski, R. Billinton","doi":"10.1109/TPAS.1985.318836","DOIUrl":"https://doi.org/10.1109/TPAS.1985.318836","url":null,"abstract":"Utilities increasingly are assessing system reliability from a cost/benefit point of view. Costs of interruptions are usually calculated to determine the benefit or worth of reliability. The paper reports on distribution system simulation studies which investigate the effect of interruption duration distributions and cost curve shapes on interruption cost estimates. It is found that use of the average outage duration to calculate interruption costs can, in a significant number of cases, result in large errors as compared with using the entire duration distribution. The use of the $/KWHR interruption cost coefficient form is compared with the duration specific $/KW form.","PeriodicalId":227345,"journal":{"name":"IEEE Transactions on Power Apparatus and Systems","volume":"96 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125255220","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: 32
A Study of Predischarge Current Characteristics of Long Air Gaps 长气隙预放电电流特性研究
IEEE Transactions on Power Apparatus and Systems Pub Date : 1985-11-01 DOI: 10.1109/TPAS.1985.318840
T. Shindo, Y. Aoshima, I. Kishizima, T. Harada
{"title":"A Study of Predischarge Current Characteristics of Long Air Gaps","authors":"T. Shindo, Y. Aoshima, I. Kishizima, T. Harada","doi":"10.1109/TPAS.1985.318840","DOIUrl":"https://doi.org/10.1109/TPAS.1985.318840","url":null,"abstract":"A current waveform at flashover of an arcing horn affects a peak value of a calculated transient overvoltage in lightning surge analysis of a power transmission system.","PeriodicalId":227345,"journal":{"name":"IEEE Transactions on Power Apparatus and Systems","volume":"PAS-104 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128986483","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
Review Of Analytical Methods For Calculating The Performance Of Large Grounding Electrodes PART 1: Theoretical Considerations 大型接地电极性能计算的分析方法综述。第1部分:理论考虑
IEEE Transactions on Power Apparatus and Systems Pub Date : 1985-11-01 DOI: 10.1109/TPAS.1985.318821
R. Nagar, R. Velazquez, M. Loeloeian, D. Mukhedkar, Y. Gervdis
{"title":"Review Of Analytical Methods For Calculating The Performance Of Large Grounding Electrodes PART 1: Theoretical Considerations","authors":"R. Nagar, R. Velazquez, M. Loeloeian, D. Mukhedkar, Y. Gervdis","doi":"10.1109/TPAS.1985.318821","DOIUrl":"https://doi.org/10.1109/TPAS.1985.318821","url":null,"abstract":"The equations on the computation of grounding system performance presented in most of the papers are based on two basic concepts: the calculation of the leakage current in different linear segments of a grounding electrode, and the use of these leakage current values to find the potential at any desired point around the ground electrode layout. Generally most of the papers published have not been easy to understand. They are based on the fundamental electromagnetic concepts and some additional assumptions. This paper summarizes the analytical review of the different methods and identifies the differences among them. The question of applicability and accuracy is discussed in a companion paper [1].","PeriodicalId":227345,"journal":{"name":"IEEE Transactions on Power Apparatus and Systems","volume":"52 7","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114136044","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: 26
Microcomputer-Based Nonlinear Structural Analysis Of Transmission Line Systems 基于微机的输电线路系统非线性结构分析
IEEE Transactions on Power Apparatus and Systems Pub Date : 1985-11-01 DOI: 10.1109/MPER.1985.5528382
A. Peyrot
{"title":"Microcomputer-Based Nonlinear Structural Analysis Of Transmission Line Systems","authors":"A. Peyrot","doi":"10.1109/MPER.1985.5528382","DOIUrl":"https://doi.org/10.1109/MPER.1985.5528382","url":null,"abstract":"Until recently, calculations needed for the structural design of transmission lines required access to large computers. Advances in both microcomputer capabilities and in nonlinear structural analysis techn indicate that it is no longer necessary, nor often desirable, to use mainframe or mini computers. The facts are demonstrated by several examples of comp systems (guyed lattice tower, interaction between structures of a flexible system, If-frame, sag-tension behavior, etc.).","PeriodicalId":227345,"journal":{"name":"IEEE Transactions on Power Apparatus and Systems","volume":"717 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133472398","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
Volt/Var Control on Distribution Systems with Lateral Branches Using Shunt Capacitors and Voltage Regulators Part III: The Numerical Results 并联电容器和稳压器对侧支路配电系统的电压/无功控制。第三部分:数值结果
IEEE Transactions on Power Apparatus and Systems Pub Date : 1985-11-01 DOI: 10.1109/TPAS.1985.318844
S. Civanlar, J. Grainger
{"title":"Volt/Var Control on Distribution Systems with Lateral Branches Using Shunt Capacitors and Voltage Regulators Part III: The Numerical Results","authors":"S. Civanlar, J. Grainger","doi":"10.1109/TPAS.1985.318844","DOIUrl":"https://doi.org/10.1109/TPAS.1985.318844","url":null,"abstract":"In this paper, the numerical results obtained through the application of the optimal design and control schemes of the capacitor and voltage regulator problems (which are formulated and solved on an analytical basis in the previous paper, Parts I and II) are demonstrated on a thirty-bus test system with six lateral branches. The results are discussed in order to demonstrate the applicability of the theory and the bases underlying the modeling of the overall problem.","PeriodicalId":227345,"journal":{"name":"IEEE Transactions on Power Apparatus and Systems","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133005044","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: 213
Volt/Var Control on Distribution Systems with Lateral Branches Using Shunt Capacitors and Voltage Regulators Part I: The Overall Problem 并联电容器和稳压器对侧支路配电系统的电压/无功控制。第一部分:总体问题
IEEE Transactions on Power Apparatus and Systems Pub Date : 1985-11-01 DOI: 10.1109/TPAS.1985.318842
J. Grainger, S. Civanlar
{"title":"Volt/Var Control on Distribution Systems with Lateral Branches Using Shunt Capacitors and Voltage Regulators Part I: The Overall Problem","authors":"J. Grainger, S. Civanlar","doi":"10.1109/TPAS.1985.318842","DOIUrl":"https://doi.org/10.1109/TPAS.1985.318842","url":null,"abstract":"In this paper (Part I) and two companion papers (Part II and Part III) the problem of volt/var control on general radial distribution systems is formulated, simplified and solved. The objective is to minimize the peak power and energy losses while keeping the voltage within specified limits under varying load conditions. The decision variables to be optimally determined are (i) the locations, sizes and the real-time control of the specified number of ON/OFF switched and fixed capacitors and (ii) the locations and real-time control of the minimum number of voltage regulators. It is shown in this paper (Part I) that the regulator (volt) and the capacitor (var) problem may be treated as two decoupled problems. Part II of this set of three papers, conjoined with Part 1. provides the analytical tools by which optimal solutions for both problems may be determined. Application of the theory to representative radial systems is shown in Part III whhich also illustrates the economic benefits and numerical results achievable through both regulation and compensation schemes.","PeriodicalId":227345,"journal":{"name":"IEEE Transactions on Power Apparatus and Systems","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129180870","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: 223
Some Aspects of Sampling Load Curve Data On Distribution Systems 配电系统负荷曲线数据采样的几个方面
IEEE Transactions on Power Apparatus and Systems Pub Date : 1985-11-01 DOI: 10.1109/TPAS.1985.318834
H. Willis, T. Vismor, K. Powell
{"title":"Some Aspects of Sampling Load Curve Data On Distribution Systems","authors":"H. Willis, T. Vismor, K. Powell","doi":"10.1109/TPAS.1985.318834","DOIUrl":"https://doi.org/10.1109/TPAS.1985.318834","url":null,"abstract":"Engineering studies of distribution systems often require data on the behavior of electric load as a function of time, often represented by a daily load profile. This paper examines the characteristics of techniques for the representation of load profiles. The type of sampling and the rate (hourly, every fifteen minutes) determine the quality of the information obtained. The need for these qualities as a function of number of custoiers and other aspects of analysis is studied. Several pitfalls in load curve analysis are presented. Guidelines for valid interpretation and use of load curve data are developed and presented.","PeriodicalId":227345,"journal":{"name":"IEEE Transactions on Power Apparatus and Systems","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115724032","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: 7
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