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2001 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.01CH37194)最新文献

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Undergraduate power courses and competitive education: course development community style 本科权力课程与竞争教育:课程开发社区化风格
2001 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.01CH37194) Pub Date : 2001-01-28 DOI: 10.1109/PESW.2001.916976
J. McCalley
{"title":"Undergraduate power courses and competitive education: course development community style","authors":"J. McCalley","doi":"10.1109/PESW.2001.916976","DOIUrl":"https://doi.org/10.1109/PESW.2001.916976","url":null,"abstract":"The objective of this paper is to motivate and describe an approach for establishing a course development approach in electric power given the context of competitive education where different sub-disciplines compete for the interest of students. A key component of this approach is that course development and maintenance be done within a broader community than exists at a single university. Use of course modules, together with Internet-based automated coordination and dissemination of these modules, facilitates this.","PeriodicalId":253534,"journal":{"name":"2001 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.01CH37194)","volume":"28 5","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120927432","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
Economic benefit and risk evaluation of power transformer overloading 电力变压器过载经济效益及风险评价
2001 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.01CH37194) Pub Date : 2001-01-28 DOI: 10.1109/PESW.2001.916887
R. Chénier, J. Aubin
{"title":"Economic benefit and risk evaluation of power transformer overloading","authors":"R. Chénier, J. Aubin","doi":"10.1109/PESW.2001.916887","DOIUrl":"https://doi.org/10.1109/PESW.2001.916887","url":null,"abstract":"Power transformers have inherently some margin of overloading capability. The rated power of a unit is basically the load level that will result in internal temperatures that are below the limits set forth by standard producing bodies such as IEEE and IEC. The normal life expectancy is a conventional reference basis for continuous duty under normal ambient temperature and rated operating conditions. The risks associated with overloading can be drastically reduced if the transformer conditions are closely monitored throughout the overload period. This paper discusses the cost/benefit evaluation of transformer overloading. It appears that cost/benefit analysis of transformer overloading with on-line monitoring is feasible and that a consistent financial model can be produced to calculate the payback time. This calculation requires hypothesis on load magnitude and duration along with economic conditions prevailing during the overload period.","PeriodicalId":253534,"journal":{"name":"2001 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.01CH37194)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124074681","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
Getting results with stationary batteries a basic guide to battery selection and maintenance 使用固定电池获得结果是电池选择和维护的基本指南
2001 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.01CH37194) Pub Date : 2001-01-28 DOI: 10.1109/PESW.2001.916908
J. McDowall
{"title":"Getting results with stationary batteries a basic guide to battery selection and maintenance","authors":"J. McDowall","doi":"10.1109/PESW.2001.916908","DOIUrl":"https://doi.org/10.1109/PESW.2001.916908","url":null,"abstract":"This guide presents an introduction to the various battery types used in stationary applications, and the process of selecting the right battery for a specific application. Battery selection, however, is not an end in itself. It is the necessary foundation for optimizing battery life and reliability, but those results cannot be achieved without proper installation and maintenance. While installation costs are rarely questioned, maintenance programs are subjected to the full scrutiny of corporate budget-cutters. This guide shows the latest IEEE recommendations for the maintenance of the major battery types and provides an insight into the most critical aspects of battery maintenance and testing.","PeriodicalId":253534,"journal":{"name":"2001 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.01CH37194)","volume":"182 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129077322","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
Testing, modeling and simulation of long arc in still air 静止空气中长电弧的试验、建模与仿真
2001 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.01CH37194) Pub Date : 2001-01-28 DOI: 10.1109/PESW.2001.917233
V. Terzija, H. Koglin
{"title":"Testing, modeling and simulation of long arc in still air","authors":"V. Terzija, H. Koglin","doi":"10.1109/PESW.2001.917233","DOIUrl":"https://doi.org/10.1109/PESW.2001.917233","url":null,"abstract":"In the paper the long arc in still air is investigated. The arc is initiated under laboratory conditions in the high power test laboratory FGH-Mannheim (Germany). An important feature of the arc, the variation of arc length, is analyzed. Based on the analysis of laboratory arc voltage and current wave forms, the new dynamic arc model, taking into account the arc length variation, is derived. An example of arc computer simulation using the new model is given. The main features of the simulated arc are presented. The main features of both the real and the simulated arc are given in the time and the spectral domains.","PeriodicalId":253534,"journal":{"name":"2001 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.01CH37194)","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127314815","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
Development of simple coupling-capacitor voltage transformer for GIS GIS用简易耦合电容式电压互感器的研制
2001 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.01CH37194) Pub Date : 2001-01-28 DOI: 10.1109/PESW.2001.917047
T. Yamada, E. Kurosaki, N. Yamamoto, M. Matsumoto
{"title":"Development of simple coupling-capacitor voltage transformer for GIS","authors":"T. Yamada, E. Kurosaki, N. Yamamoto, M. Matsumoto","doi":"10.1109/PESW.2001.917047","DOIUrl":"https://doi.org/10.1109/PESW.2001.917047","url":null,"abstract":"A magnetic voltage transformer (VT), with a secondary load of more than 50 VA, is usually used for a GIS. However, the capacity of the load is too large and not economical since the load of A/D converter of a digitized control switchboard (DCS) is recently limited to only several VA. Therefore, the authors have developed a simple voltage transformer (SVT) of coupling-capacitor type to meet the performances of DCS with low load, by inserting a cylindrical capacitor electrode into the branch bus of a GIS. To maintain the required accuracy of /spl plusmn/3%, the secondary output voltages from the SVT were corrected by the numerical control process unit of the DCS in this system, since the voltages were influenced by variation in external load. Coaxial cables were also applied as a measure against temperature variation. As a result, they found that the developed SVT provided accuracy of within /spl plusmn/3% in ambient temperature between -20/spl deg/C to +60/spl deg/C.","PeriodicalId":253534,"journal":{"name":"2001 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.01CH37194)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130988596","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
Electrical performance characteristics of a new micro-turbine generator 一种新型微型汽轮发电机的电性能特性
2001 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.01CH37194) Pub Date : 2001-01-28 DOI: 10.1109/PESW.2001.916949
M. Etezadi-Amoli, K. Choma
{"title":"Electrical performance characteristics of a new micro-turbine generator","authors":"M. Etezadi-Amoli, K. Choma","doi":"10.1109/PESW.2001.916949","DOIUrl":"https://doi.org/10.1109/PESW.2001.916949","url":null,"abstract":"This paper presents the results of an investigation regarding the electrical performance characteristics of a new, three-phase, 480 V (L-L), 30 kW, micro-turbine generator and its suitability as an electrical power source for applications at the electrical power distribution voltage level. This unit is fueled by natural gas and may be used as a dispersed generation source. The unit was purchased by the local utility company and given to the University of Nevada, Reno, USA, for the investigation. The Electrical Machine and the Power System Laboratory was used to perform the study. Testing was performed at several load set-point levels. The investigation includes the turbine behavior under a weak system that consists of the micro-turbine, a variable three-phase load, and a three-phase 15 kVA synchronous machine in the laboratory. The speed of this machine is controlled by a fuzzy logic algorithm. Conclusions are made regarding the suitability of the unit as a distributed generation source.","PeriodicalId":253534,"journal":{"name":"2001 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.01CH37194)","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132832722","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: 36
Fuzzy logic based extended integral control for load frequency control 基于模糊逻辑的负荷频率扩展积分控制
2001 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.01CH37194) Pub Date : 2001-01-28 DOI: 10.1109/PESW.2001.917263
Y. Moon, H. Ryu, Baik Kim, Seog-Joo Kim, Sung-Chul Park
{"title":"Fuzzy logic based extended integral control for load frequency control","authors":"Y. Moon, H. Ryu, Baik Kim, Seog-Joo Kim, Sung-Chul Park","doi":"10.1109/PESW.2001.917263","DOIUrl":"https://doi.org/10.1109/PESW.2001.917263","url":null,"abstract":"This study presents an application of fuzzy logic based method to determine the optimal parameters for the extended integral control scheme. The performance of the extended integral control is greatly dependent on the decaying factor. For an optimal or near optimal performance, it is necessary that the decaying factor as well as the feedback gains should be changed very quickly in response to changes in the system dynamics. However, because of its time-varing characteristic, the optimal decaying factor is difficult to be selected analytically. By adopting fuzzy set theory, the decaying factor can be determined quickly to respond to the variation of the feedback signals. This study builds a fuzzy rule base with use of the change of frequency and its rate as inputs. A set of decision rules is established to relate input signals to the decaying factor. The computer simulation has been conducted for the single machine system. The simulation results show that the proposed fuzzy logic based controller yields more improved control performance than the conventional PI controller.","PeriodicalId":253534,"journal":{"name":"2001 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.01CH37194)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134287645","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
Random fluctuations on dynamic stability of a grid-connected photovoltaic array 随机波动对并网光伏阵列动态稳定性的影响
2001 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.01CH37194) Pub Date : 2001-01-28 DOI: 10.1109/PESW.2001.917200
Li Wang, Ying-Hao Lin
{"title":"Random fluctuations on dynamic stability of a grid-connected photovoltaic array","authors":"Li Wang, Ying-Hao Lin","doi":"10.1109/PESW.2001.917200","DOIUrl":"https://doi.org/10.1109/PESW.2001.917200","url":null,"abstract":"This paper presents dynamic stability analyses of a grid-connected photovoltaic (PV) array subject to random fluctuations due to cloudy weather. The eigenvalue scheme is employed to examine dynamic performances of the studied grid-connected PV array under random generating conditions. Time-domain simulations based on a nonlinear model of the studied system as affected by time-varying PV generating mode are also performed. It can be concluded from the simulated results that the proposed eigenvalue method and dynamic simulated scheme can be effectively employed to determine the dynamic stability margin of a grid-connected PV system under random fluctuations.","PeriodicalId":253534,"journal":{"name":"2001 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.01CH37194)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132956367","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: 29
Improving power delivery through the application of superconducting magnetic energy storage (SMES) 利用超导磁能储能技术(SMES)改善电力输送
2001 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.01CH37194) Pub Date : 2001-01-28 DOI: 10.1109/PESW.2001.916869
W. Torre, S. Eckroad
{"title":"Improving power delivery through the application of superconducting magnetic energy storage (SMES)","authors":"W. Torre, S. Eckroad","doi":"10.1109/PESW.2001.916869","DOIUrl":"https://doi.org/10.1109/PESW.2001.916869","url":null,"abstract":"This paper summarizes the results of a recent study to re-examine the potential applications and benefits of superconducting magnetic energy storage (SMES) to improve transmission system performance. The study addresses multiple benefits that SMES can provide to increase power transfer capability, voltage support, system stabilization, spinning reserve, underfrequency load shedding reduction, load leveling and other benefits. This study examined previous studies that were conducted by various agencies, and utilities. In addition a new cost/benefit model is presented to provide a gauge for determining the return expected by potential investors in a deregulated utility environment.","PeriodicalId":253534,"journal":{"name":"2001 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.01CH37194)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132177594","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: 34
Enhancing power engineering education through the use of Power System Simulator 利用电力系统模拟器加强电力工程教育
2001 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.01CH37194) Pub Date : 2001-01-28 DOI: 10.1109/PESW.2001.917323
Chien-Hsing Lee, S. Hsu, Tzu-Chieh Lin, Ming-Ren Kang, G. Huang
{"title":"Enhancing power engineering education through the use of Power System Simulator","authors":"Chien-Hsing Lee, S. Hsu, Tzu-Chieh Lin, Ming-Ren Kang, G. Huang","doi":"10.1109/PESW.2001.917323","DOIUrl":"https://doi.org/10.1109/PESW.2001.917323","url":null,"abstract":"This paper describes a newly installed education facility \"Power System Simulator\" (PSS) based on Taiwan Power Company's system. It includes five modules: generation units, 345/161 kV switching yard, 161/69 kV switching yard, 69/22.8/11.4 kV switching yard, and load units. The PSS was developed as a \"core course\" introduction to power systems intended for both power and nonpower majors at I-Shou University (ISU), Taiwan. Through the use of the PSS, it can enhance student's understanding of the fundamental concept as well as the practical phenomena in power systems. This will hopefully help them in a better understanding of the practical aspects of power engineering, and therefore increase enrollments in power engineering courses at ISU. The purpose of this paper is to describe three laboratories through the use of PSS. They are (1) normal operation, (2) load transfer, and (3) transformer overload in power systems.","PeriodicalId":253534,"journal":{"name":"2001 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.01CH37194)","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122404278","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: 5
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