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PowerCon 2000. 2000 International Conference on Power System Technology. Proceedings (Cat. No.00EX409)最新文献

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Load models and their application in the design of loosely coupled inductive power transfer systems 负载模型及其在松耦合感应电力传输系统设计中的应用
PowerCon 2000. 2000 International Conference on Power System Technology. Proceedings (Cat. No.00EX409) Pub Date : 2000-12-04 DOI: 10.1109/ICPST.2000.897166
Chwei-Sen Wang, O. Stielau, G. Covic
{"title":"Load models and their application in the design of loosely coupled inductive power transfer systems","authors":"Chwei-Sen Wang, O. Stielau, G. Covic","doi":"10.1109/ICPST.2000.897166","DOIUrl":"https://doi.org/10.1109/ICPST.2000.897166","url":null,"abstract":"Load models are developed as a design tool for loosely coupled inductive power transfer systems. The models are used to investigate the sensitivity of these systems to variations in operational frequency and load. The results of the investigation can then be used to determine the power transfer capability and controllability of the system.","PeriodicalId":330989,"journal":{"name":"PowerCon 2000. 2000 International Conference on Power System Technology. Proceedings (Cat. No.00EX409)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126086687","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: 121
A practical mutation operator and its application to the Kalman filter 一种实用的变异算子及其在卡尔曼滤波中的应用
PowerCon 2000. 2000 International Conference on Power System Technology. Proceedings (Cat. No.00EX409) Pub Date : 2000-12-04 DOI: 10.1109/ICPST.2000.900106
Z. Chan, H. W. Ngan, A. Rad
{"title":"A practical mutation operator and its application to the Kalman filter","authors":"Z. Chan, H. W. Ngan, A. Rad","doi":"10.1109/ICPST.2000.900106","DOIUrl":"https://doi.org/10.1109/ICPST.2000.900106","url":null,"abstract":"In this work we introduce a new mutation operator called the \"selection follower (SF)\" that exploits high eigenvalue-ratio and rotated-eigenvector functions. Unlike traditional mutation operators that scatter offspring with a fixed probabilistic distribution, the SF uses the shape of the population chosen by the selection operator as the probabilistic distribution in order to conform the offspring settlement to the fitness landscape. Experiments on test functions show that the SF is feasible both in search exploitation and exploration. Finally, the SF is applied to parameter estimation of a Kalman filter example that constitutes a 19-dimensional problem. Benchmarking with the expectation-maximization algorithm, the SF produces lower mean-square-estimates consistently. The robustness and feasibility of SF to practical problems are verified.","PeriodicalId":330989,"journal":{"name":"PowerCon 2000. 2000 International Conference on Power System Technology. Proceedings (Cat. No.00EX409)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125323357","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
Characteristics and location of the quality control center using three-phase four-wire AC system 采用三相四线制交流系统的质量控制中心的特点和位置
PowerCon 2000. 2000 International Conference on Power System Technology. Proceedings (Cat. No.00EX409) Pub Date : 2000-12-04 DOI: 10.1109/ICPST.2000.897101
T. Ise, Y. Hayashi, K. Tsuji
{"title":"Characteristics and location of the quality control center using three-phase four-wire AC system","authors":"T. Ise, Y. Hayashi, K. Tsuji","doi":"10.1109/ICPST.2000.897101","DOIUrl":"https://doi.org/10.1109/ICPST.2000.897101","url":null,"abstract":"Unbundled power quality service is paid much attention under the circumstances of deregulation and diversification of needs of customers for quality and price of electric power. Characteristics of one possible and simple circuit, which enables us to deliver different power quality level to single-phase loads, are presented. The system can supply three levels of power quality to single-phase loads by use of three-phase four-wire AC system, one inverter and a battery. Finally, for a practical usage of the proposed system, location of the system at some places such as factories and individual houses is presented.","PeriodicalId":330989,"journal":{"name":"PowerCon 2000. 2000 International Conference on Power System Technology. Proceedings (Cat. No.00EX409)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127747182","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
Design of an optimal PID controller in AC-DC power system using modified genetic algorithm 基于改进遗传算法的交直流电力系统最优PID控制器设计
PowerCon 2000. 2000 International Conference on Power System Technology. Proceedings (Cat. No.00EX409) Pub Date : 2000-12-04 DOI: 10.1109/ICPST.2000.898180
Y.P. Wang, D. Hur, H. Chung, N. Watson, J. Arrillaga, S. Matair
{"title":"Design of an optimal PID controller in AC-DC power system using modified genetic algorithm","authors":"Y.P. Wang, D. Hur, H. Chung, N. Watson, J. Arrillaga, S. Matair","doi":"10.1109/ICPST.2000.898180","DOIUrl":"https://doi.org/10.1109/ICPST.2000.898180","url":null,"abstract":"HVDC power transmission systems can overcome some limitations inherent with AC power transmission systems such as transmission over long distance and transmission with cable. One aspect of importance is the improvement in stability achieved with AC-DC power transmission. In this paper a methodology for the optimal proportional integral derivative (PID) controller design using the modified genetic algorithm (MGA) is proposed to improve the transient stability of AC-DC power systems after faults. This study consists of the formulation of load-flow calculation, basic controls on HVDC transmission system, mathematical model selection for stability analysis, and supplementary signal control by an optimal PID controller using the MGA. The proposed method is verified using computer simulation. The results show the application of the MGA-PID controller in AC-DC power systems has improved the transient stability. The PID controller design using MGA method has been shown to be advantageous when applied for the AC-DC power systems.","PeriodicalId":330989,"journal":{"name":"PowerCon 2000. 2000 International Conference on Power System Technology. Proceedings (Cat. No.00EX409)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127417865","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
Network observability: identification of the measurements redundancy level 网络可观察性:测量冗余水平的识别
PowerCon 2000. 2000 International Conference on Power System Technology. Proceedings (Cat. No.00EX409) Pub Date : 2000-12-04 DOI: 10.1109/ICPST.2000.897087
J. London, L. Alberto, N. Bretas
{"title":"Network observability: identification of the measurements redundancy level","authors":"J. London, L. Alberto, N. Bretas","doi":"10.1109/ICPST.2000.897087","DOIUrl":"https://doi.org/10.1109/ICPST.2000.897087","url":null,"abstract":"In this paper, a new method to identify the redundancy level of each measurement associated to an observable power system is proposed. The proposed method also identifies the critical measurements, and sets of measurements that removed at same time from the measurement set make the power system unobservable. The redundancy level is very important to operators in order to guide the search for adequate reinforcement of the available measurement set. The proposed method is based on the linear dependency relation of the rows of the Jacobian matrix. To determine this relation, a convenient exchange of basis in the state space is made. The exploration of sparsity techniques and some adaptations make the proposed method simple and fast. This method has been tested in the IEEE-14-bus system, and in two realistic systems of the Brazilian utilities (one of them is a 121-bus system from ELETROSUL, and the other is a 384-bus system from CHESF-Companhia Hidroeletrica do Sao Francisco).","PeriodicalId":330989,"journal":{"name":"PowerCon 2000. 2000 International Conference on Power System Technology. Proceedings (Cat. No.00EX409)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132303529","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
Probabilistic comparison and application of international electrical safety criteria 国际电气安全准则的概率比较与应用
PowerCon 2000. 2000 International Conference on Power System Technology. Proceedings (Cat. No.00EX409) Pub Date : 2000-12-04 DOI: 10.1109/ICPST.2000.898165
W. Carman
{"title":"Probabilistic comparison and application of international electrical safety criteria","authors":"W. Carman","doi":"10.1109/ICPST.2000.898165","DOIUrl":"https://doi.org/10.1109/ICPST.2000.898165","url":null,"abstract":"Investigations have been made into the impact of probabilistic aspects of the shock scenario, yet are rarely applied in practice. To provide reliable design criteria it is necessary to link the electrical shock safety criteria with acceptable risk levels applicable for people, in the context of an electrical power system under earth fault conditions. The paper addresses the basis of the various criteria and identifies inconsistencies that have been introduced when transferring laboratory data to published body current criteria. Interference theory and Monte Carlo simulation techniques are used to statistically appraise the actual level of safety afforded by various safety criteria when compared with the benchmark body current criteria. Directions for rationalisation or change are identified to ensure consistency with physiological criteria and to ensure that appropriate economic, as well as defensible levels of safety are applied to power system installations.","PeriodicalId":330989,"journal":{"name":"PowerCon 2000. 2000 International Conference on Power System Technology. Proceedings (Cat. No.00EX409)","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130641816","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
Development of a series static voltage compensator for high speed voltage control in power distribution lines 用于配电线路高速电压控制的串联静态电压补偿器的研制
PowerCon 2000. 2000 International Conference on Power System Technology. Proceedings (Cat. No.00EX409) Pub Date : 2000-12-04 DOI: 10.1109/ICPST.2000.897107
N. Fukazu, I. Sumitani, T. Sato, H. Mackawa, T. Kai
{"title":"Development of a series static voltage compensator for high speed voltage control in power distribution lines","authors":"N. Fukazu, I. Sumitani, T. Sato, H. Mackawa, T. Kai","doi":"10.1109/ICPST.2000.897107","DOIUrl":"https://doi.org/10.1109/ICPST.2000.897107","url":null,"abstract":"It will be necessary to provide high speed continuous control in distribution lines in the future. So, we propose a series static voltage compensator (SVC), which is highly suitable for use in power distribution lines compared with parallel static VAr compensators. It controls voltage regulation to keep the allowed value at load center point. We manufactured and tested the SVC with capacity of 75 kVA by taking the corrective measures. We confirmed it has the expected performance. It is possible to obtain voltage precision within /spl plusmn/1%.","PeriodicalId":330989,"journal":{"name":"PowerCon 2000. 2000 International Conference on Power System Technology. Proceedings (Cat. No.00EX409)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128308711","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
Demand-side resources prioritization in distribution local IRP 分配本地IRP中的需求侧资源优先级
PowerCon 2000. 2000 International Conference on Power System Technology. Proceedings (Cat. No.00EX409) Pub Date : 2000-12-04 DOI: 10.1109/ICPST.2000.898148
A. S. Malik, C.U. Sumaoy
{"title":"Demand-side resources prioritization in distribution local IRP","authors":"A. S. Malik, C.U. Sumaoy","doi":"10.1109/ICPST.2000.898148","DOIUrl":"https://doi.org/10.1109/ICPST.2000.898148","url":null,"abstract":"A feeder-specific expansion investment plan of a distribution utility is analyzed for exploiting demand-side resource options using feeder- and time-specific marginal costs. The study found that with a utility-led demand-side management program where the utility shoulders the up-front capital and administrative costs while benefits are equally shared between the utility and participating customers, idle customer-owned standby diesel generating sets together with efficient cooling and lighting technologies appear as a viable options to meet current and projected demand. Demand-side resources prioritization based on their impact to monetary and nonmonetary criteria (reliability, voltage quality and environmental) is accomplished with analytic hierarchy process (AHP) approach. The customers' perception to each of the given decision criteria are solicited through customer survey.","PeriodicalId":330989,"journal":{"name":"PowerCon 2000. 2000 International Conference on Power System Technology. Proceedings (Cat. No.00EX409)","volume":"133 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133392949","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
High voltage and high frequency switching power supply for high frequency solid insulation testing 高压高频开关电源，用于高频固体绝缘试验
PowerCon 2000. 2000 International Conference on Power System Technology. Proceedings (Cat. No.00EX409) Pub Date : 2000-12-04 DOI: 10.1109/ICPST.2000.898142
S. Trerutpicharn, S. Potivejkul, V. Kinnares
{"title":"High voltage and high frequency switching power supply for high frequency solid insulation testing","authors":"S. Trerutpicharn, S. Potivejkul, V. Kinnares","doi":"10.1109/ICPST.2000.898142","DOIUrl":"https://doi.org/10.1109/ICPST.2000.898142","url":null,"abstract":"This paper presents the design and construction of a high voltage and high frequency switching source for defective insulation testing. The attempt of developing a prototype has been made in order to replace a conventional tesla transformer method based on L-C resonance which has some limitations such as large size, heavy weight, damping signal, unstable voltage and control difficulties. With the inherent characteristics of high frequency source, defective insulator surface can be easily detected. A design technique and testing method will be fully given. A prototype has been tested and used in a student laboratory for studying insulating material characteristics.","PeriodicalId":330989,"journal":{"name":"PowerCon 2000. 2000 International Conference on Power System Technology. Proceedings (Cat. No.00EX409)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132964984","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
Performance evaluation of series impedance insulation used as earthing system safety mitigation measures 串联阻抗绝缘作为接地系统安全缓解措施的性能评价
PowerCon 2000. 2000 International Conference on Power System Technology. Proceedings (Cat. No.00EX409) Pub Date : 2000-12-04 DOI: 10.1109/ICPST.2000.898166
W. Carman, D. Woodhouse
{"title":"Performance evaluation of series impedance insulation used as earthing system safety mitigation measures","authors":"W. Carman, D. Woodhouse","doi":"10.1109/ICPST.2000.898166","DOIUrl":"https://doi.org/10.1109/ICPST.2000.898166","url":null,"abstract":"High resistivity surfacing materials such as crushed rock and bitumen, are often used to limit electric shock hazards for utility operators and maintenance staff, as well as the public. Certain safety codes also make allowance for the likelihood that utility operators and the public will be wearing footwear. This paper evaluates the performance of series impedance insulation used as earthing system safety mitigation measures. Data gathered as part of a detailed R&D programme, undertaken by the Safearth Engineered Solution team within Energy Australia, is discussed with respect to the performance of surface layers and footwear, and their effect upon electrical installation safety profiles under earth fault conditions. Guidelines for improved performance specifications are developed based upon test results and application requirements.","PeriodicalId":330989,"journal":{"name":"PowerCon 2000. 2000 International Conference on Power System Technology. Proceedings (Cat. No.00EX409)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122400891","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
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