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A new approach to secondary voltage control 二次电压控制的一种新方法
IEEE Power Engineering Society Summer Meeting, Pub Date : 2002-07-25 DOI: 10.1109/PESS.2002.1043661
Chen-Jiang Guo, M. Crow, B. Chowdhury, L. Acar
{"title":"A new approach to secondary voltage control","authors":"Chen-Jiang Guo, M. Crow, B. Chowdhury, L. Acar","doi":"10.1109/PESS.2002.1043661","DOIUrl":"https://doi.org/10.1109/PESS.2002.1043661","url":null,"abstract":"Secondary voltage control has been applied in many countries, especially in Europe. The aim of the secondary voltage control is to minimize voltage deviations at load buses so as to improve the system voltage security. This paper addresses a new approach to show the improvement of system stability with the secondary voltage control. Two case studies based respectively on the 10-bus system and the New England 39-bus system are provided.","PeriodicalId":117177,"journal":{"name":"IEEE Power Engineering Society Summer Meeting,","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125958485","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
Contingency screening for steady state security analysis by using genetic algorithms 基于遗传算法的稳态安全分析应急筛选
IEEE Power Engineering Society Summer Meeting, Pub Date : 2002-07-25 DOI: 10.1109/PESS.2002.1043455
A. Ozdemir, J.Y. Lim, C. Singh
{"title":"Contingency screening for steady state security analysis by using genetic algorithms","authors":"A. Ozdemir, J.Y. Lim, C. Singh","doi":"10.1109/PESS.2002.1043455","DOIUrl":"https://doi.org/10.1109/PESS.2002.1043455","url":null,"abstract":"This paper presents genetic algorithm based post-outage voltage calculations and screening for transmission line and transformer outages. Deficiencies of the traditional sensitivity based (linear) methods are overcome by formulation of a line outage as nonlinear constrained optimization problem for a bounded network. The proposed optimization problem is later solved for bounded network variables by genetic algorithms. The accuracy of the method is tested on the IEEE 57-bus test systems. The results are compared with those obtained by a full load flow to verify the strength of the paper.","PeriodicalId":117177,"journal":{"name":"IEEE Power Engineering Society Summer Meeting,","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130127961","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: 9
Customer value-based reliability enhancement models for urban distribution systems 基于用户价值的城市配电系统可靠性增强模型
IEEE Power Engineering Society Summer Meeting, Pub Date : 2002-07-25 DOI: 10.1109/PESS.2002.1043421
T. Melnik
{"title":"Customer value-based reliability enhancement models for urban distribution systems","authors":"T. Melnik","doi":"10.1109/PESS.2002.1043421","DOIUrl":"https://doi.org/10.1109/PESS.2002.1043421","url":null,"abstract":"Summary form only given,as follows. Achieving high distribution reliability levels and concurrently minimizing capital costs can be viewed as a problem of optimization. Using given outage rates and repair times for different distribution system equipment, distribution system design is the remaining factor in determining customer reliability. Including customer value of reliability in an economic analysis allows for optimization of the different aspects of distribution system design. Using mathematical models and simulations, a comparison of design concepts can be performed to indicate the optimal feeder section length, feeder loading level, and distribution substation transformer loading level. The number of feeder ties and feeder tie placement is also optimized through the models. Comparison of different distribution system designs leads to a cost-effective layout toward which existing systems should evolve. Capital and O&M expenditures can then be allocated effectively to achieve optimum reliability levels with the lowest costs.","PeriodicalId":117177,"journal":{"name":"IEEE Power Engineering Society Summer Meeting,","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130251221","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
Hybrid clustering method for partial discharge diagnosis of large generators 大型发电机局部放电诊断的混合聚类方法
IEEE Power Engineering Society Summer Meeting, Pub Date : 2002-07-25 DOI: 10.1109/PESS.2002.1043494
Y. Han, Y. Song
{"title":"Hybrid clustering method for partial discharge diagnosis of large generators","authors":"Y. Han, Y. Song","doi":"10.1109/PESS.2002.1043494","DOIUrl":"https://doi.org/10.1109/PESS.2002.1043494","url":null,"abstract":"On the way of realizing condition-based maintenance for large generators of power system, partial discharge (PD) diagnosis that can predict insulation problems of the stator windings is necessary to implement. While online PD tests have been made for over 40 years, effective diagnostic methods are still under development. In this paper a practical diagnosis method is proposed focusing on small size and incomplete databases that often exist in a factory environment. A novel hybrid clustering method (HCM) is introduced for classification and diagnosis. Experimental PD data of industrial model bars are used and some results are presented to illustrate and validate the diagnosis method. An example is given for applying this method to investigate the TGA (turbo generator analyzer) data provided by a power plant of British Nuclear Fuels Limited. Diagnosis results are included to demonstrate that the new PD measurement can be identified as new PD type or belonging to an existing type in the database. The relationship between new data and the historical data can be visualized and abundant diagnostic information can be provided to users.","PeriodicalId":117177,"journal":{"name":"IEEE Power Engineering Society Summer Meeting,","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129343677","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
PLC; the future of broadband PLC;宽带的未来
IEEE Power Engineering Society Summer Meeting, Pub Date : 2002-07-25 DOI: 10.1109/PESS.2002.1043493
B. Renz
{"title":"PLC; the future of broadband","authors":"B. Renz","doi":"10.1109/PESS.2002.1043493","DOIUrl":"https://doi.org/10.1109/PESS.2002.1043493","url":null,"abstract":"P Powerline has grown from a low-rate service into a broadband service Metro (intra-city) and socket-to-socket * German-utility MW deployed 2MWs shared residential service to 40,000+ customers (garnered over 90 days; 7.5% of HH, 25% of target market; single city) + HomePlug shipplng at 14 Mbps (Feb 2002 Scientific American) Q Amperion’s service is high-speed-employing 45Mbls chipsets 0 Amperion’s products extend the reach of fiber and wireless Amperion’s next-gen products deliver 100’s of MBls throughput","PeriodicalId":117177,"journal":{"name":"IEEE Power Engineering Society Summer Meeting,","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129671366","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
Transmission system reliability evaluation of KEPCO system in face of deregulation 放松管制下韩国电力系统输电系统可靠性评估
IEEE Power Engineering Society Summer Meeting, Pub Date : 2002-07-25 DOI: 10.1109/PESS.2002.1043394
S. Moon, J. Choo, D. Jeon, H.S. Kim, J.S. Choi, R. Billinton
{"title":"Transmission system reliability evaluation of KEPCO system in face of deregulation","authors":"S. Moon, J. Choo, D. Jeon, H.S. Kim, J.S. Choi, R. Billinton","doi":"10.1109/PESS.2002.1043394","DOIUrl":"https://doi.org/10.1109/PESS.2002.1043394","url":null,"abstract":"The reliability evaluation of a transmission system is being realized to play an important role in the electric power systems under the situation of deregulation, because the electricity transmission system will be planned, operated and maintained by an independent transmission administrator in the new electric industry structure. The new concept of the CMELDC (CoMposite power system Effective Load Duration Curves) has been developed to evaluate the nodal reliabilities, to simulate the nodal probabilistic production cost and to assess outage cost on the composite power systems by the authors in recently. Reliability of the transmission system can be also evaluated with the CMELDC. The methodology of reliability evaluation of the transmission system is based on the concept that the reliability level of a transmission system is equal to the difference in the reliability levels of the composite power systems(HLII) and generation system(HLI). In this study, the transmission system reliability of the KEPCO(Korea Electric Power Corporation) system was evaluated under a deregulated electricity market.","PeriodicalId":117177,"journal":{"name":"IEEE Power Engineering Society Summer Meeting,","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128835369","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
Composite system adequacy evaluation using sequential Monte Carlo simulation for deregulated power systems 用序贯蒙特卡罗模拟对解除管制电力系统进行组合系统充分性评估
IEEE Power Engineering Society Summer Meeting, Pub Date : 2002-07-25 DOI: 10.1109/PESS.2002.1043464
G. Huang, P. Yan
{"title":"Composite system adequacy evaluation using sequential Monte Carlo simulation for deregulated power systems","authors":"G. Huang, P. Yan","doi":"10.1109/PESS.2002.1043464","DOIUrl":"https://doi.org/10.1109/PESS.2002.1043464","url":null,"abstract":"Deregulation has brought many changes to the vertically regulated power system. As a result, the analyses methods of power system tend to change too, among which are reliability evaluation issues. This paper addresses several issues concerning the implementation of composite system adequacy evaluation using sequential Monte Carlo simulation method. They include incorporating the modeling of bilateral and pool type transactions into the state sampling stage and the optimal power flow (OPF) with the consideration of transaction patterns into the state evaluation stage. Examples are given out to demonstrate these considerations.","PeriodicalId":117177,"journal":{"name":"IEEE Power Engineering Society Summer Meeting,","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121821250","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
Forecasting loads and prices for New England market 预测新英格兰市场的负荷和价格
IEEE Power Engineering Society Summer Meeting, Pub Date : 2002-07-25 DOI: 10.1109/PESS.2002.1043577
D. Gaushell
{"title":"Forecasting loads and prices for New England market","authors":"D. Gaushell","doi":"10.1109/PESS.2002.1043577","DOIUrl":"https://doi.org/10.1109/PESS.2002.1043577","url":null,"abstract":"Summary form only given, as follows. Generators, utilities, energy traders and large energy users all share a common need for accurate forecasts of load and price at the major energy markets, in order to maximize profits and minimize risk due to price spikes. Examples of impact of price spikes at ISO-NE are given. This paper provides an overview of current forecasting technologies; techniques for selecting forecast variables; locations of public and private weather sources; and definitions and measurements of average forecast accuracy, directional forecast accuracy, and price spikes. Forecasting results are provided for ISO-NE load and energy clearing price, as well as the New England bilateral market price. Seasonal variations in forecasts are also discussed.","PeriodicalId":117177,"journal":{"name":"IEEE Power Engineering Society Summer Meeting,","volume":"459 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116025926","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
Considerations in the design of naval electric power systems 舰船电力系统设计中的考虑
IEEE Power Engineering Society Summer Meeting, Pub Date : 2002-07-25 DOI: 10.1109/PESS.2002.1043244
Jr. J.V. Amy
{"title":"Considerations in the design of naval electric power systems","authors":"Jr. J.V. Amy","doi":"10.1109/PESS.2002.1043244","DOIUrl":"https://doi.org/10.1109/PESS.2002.1043244","url":null,"abstract":"A discussion of the historical approach to the design of U.S. Navy naval electric power systems offers insight into advanced approaches for the design of future naval electric power systems. The unique characteristics of naval electric power systems are discussed, especially with regards to how they contrast with commercial utility power systems. In light of the background and uniqueness, the basic questions confronting the designer of naval electric power systems are offered.","PeriodicalId":117177,"journal":{"name":"IEEE Power Engineering Society Summer Meeting,","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122267287","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: 43
Improving transient stability using fast valving based on tracking rotor-angle and active power 采用基于转子角跟踪和有功功率跟踪的快速阀控提高系统暂态稳定性
IEEE Power Engineering Society Summer Meeting, Pub Date : 2002-07-25 DOI: 10.1109/PESS.2002.1043655
G. Karady, M. Mohamed
{"title":"Improving transient stability using fast valving based on tracking rotor-angle and active power","authors":"G. Karady, M. Mohamed","doi":"10.1109/PESS.2002.1043655","DOIUrl":"https://doi.org/10.1109/PESS.2002.1043655","url":null,"abstract":"This paper proposes a multi-agent technique that is divided into two parts. The first part is a tracking agent that will track generators rotor angle to determine power system instability. According to the tracking agent's output, the control agent is initiated. The tracking agent uses off-line time domain analysis to build lookup tables of required fast valving. The tracking agent employs two sub-agents. The first sub-agent determines if fast valving is required to attain transient stability for each credible system disturbance and operating condition. The second sub-agent compares the electric power for each generator before and after the disturbance to determine the appropriate reduction of mechanical power to stabilize the system. The control agent is turbine fast valving. The resulting multi-agent technique can determine system instability and establish system stability. Decoded MATLAB programs of both agents are linked to ETMSP program, power system simulation program, used in verifying the results.","PeriodicalId":117177,"journal":{"name":"IEEE Power Engineering Society Summer Meeting,","volume":"134 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116526680","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: 20
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