Proceedings of the 21st International Conference on Power Industry Computer Applications. Connecting Utilities. PICA 99. To the Millennium and Beyond (Cat. No.99CH36351)最新文献_第2页

Transmission network reinforcement versus FACTS: an economic assessment 输电网加固与事实:经济评估

Proceedings of the 21st International Conference on Power Industry Computer Applications. Connecting Utilities. PICA 99. To the Millennium and Beyond (Cat. No.99CH36351) Pub Date : 1999-05-16 DOI: 10.1109/PICA.1999.779508

J. Mutale, G. Strbac

{"title":"Transmission network reinforcement versus FACTS: an economic assessment","authors":"J. Mutale, G. Strbac","doi":"10.1109/PICA.1999.779508","DOIUrl":"https://doi.org/10.1109/PICA.1999.779508","url":null,"abstract":"While a significant amount of work has been, and continues to be, devoted to the description and analysis of the technical performance of flexible AC transmission systems (FACTS), very little attention has been paid to the economics of these devices. The most frequently stated economic benefit of FACTS devices is that they enable postponement of network reinforcement. This paper describes a linear programming approach for computing the maximum savings in operating costs that could be secured from installing ultimate (100%) FACTS. This gives the volume of the \"market\" potentially available for FACTS. As the main aim of this paper is to assess the competitiveness of FACTS against network reinforcement, only FACTS devices used for active power control are modelled. The volume of the market for FACTS, defined as the difference between the gross benefit of full network flexibility and the net benefit of network reinforcement is determined for a wide range of line reinforcement costs. It is shown that economics of FACTS are system specific and depend strongly on the cost of reinforcement. It is further concluded that at values of network reinforcement costs presently used in practice, FACTS devices may find it difficult to compete favourably with network reinforcement. The model employed in this evaluation takes account of inter-temporal load variations as well as network security constraints in addition to the usual generator output and transmission thermal limits.","PeriodicalId":113146,"journal":{"name":"Proceedings of the 21st International Conference on Power Industry Computer Applications. Connecting Utilities. PICA 99. To the Millennium and Beyond (Cat. No.99CH36351)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117335028","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

Multi-tier service restoration through network reconfiguration and capacitor control for large-scale radial distribution networks 基于网络重构和电容控制的大型径向配电网多层业务恢复

Proceedings of the 21st International Conference on Power Industry Computer Applications. Connecting Utilities. PICA 99. To the Millennium and Beyond (Cat. No.99CH36351) Pub Date : 1999-05-16 DOI: 10.1109/PICA.1999.779398

K. Miu, H. Chiang, R. J. McNulty

引用次数: 98

Design optimization and performance evaluation of the relaying algorithms, relays and protective systems using advanced testing tools 设计优化和性能评估的继电器算法，继电器和保护系统使用先进的测试工具

Proceedings of the 21st International Conference on Power Industry Computer Applications. Connecting Utilities. PICA 99. To the Millennium and Beyond (Cat. No.99CH36351) Pub Date : 1999-05-16 DOI: 10.1109/PICA.1999.779512

Mladen Kezunovic, Bogdan Kasztenny

引用次数: 30

Transmission network expansion planning under an improved genetic algorithm 基于改进遗传算法的输电网扩容规划

Proceedings of the 21st International Conference on Power Industry Computer Applications. Connecting Utilities. PICA 99. To the Millennium and Beyond (Cat. No.99CH36351) Pub Date : 1999-05-16 DOI: 10.1109/PICA.1999.779513

E. da Silva, H. Gil, J. Areiza

引用次数: 197

Robust design and coordination of multiple damping controllers using nonlinear constrained optimization 基于非线性约束优化的多阻尼控制器鲁棒设计与协调

Proceedings of the 21st International Conference on Power Industry Computer Applications. Connecting Utilities. PICA 99. To the Millennium and Beyond (Cat. No.99CH36351) Pub Date : 1999-05-16 DOI: 10.1109/PICA.1999.779389

I. Kamwa, G. Trudel, L. Gérin-Lajoie

{"title":"Robust design and coordination of multiple damping controllers using nonlinear constrained optimization","authors":"I. Kamwa, G. Trudel, L. Gérin-Lajoie","doi":"10.1109/PICA.1999.779389","DOIUrl":"https://doi.org/10.1109/PICA.1999.779389","url":null,"abstract":"This paper proposes a design approach for power system stabilizing controllers based on parameter optimization of compensators with generalized structures. It shows that a selective modal performance index is an improved measure of the stabilizing effect of a given design, although its blind minimization can end in a useless local minimum. Adding stability, sensitivity and robustness constraints greatly improve the engineering significance of the resulting design. The development is fully multivariable and remains sufficiently general to apply equally well to a feedback or cascade stabilizer, with any type of input signal or transfer function structure. Three examples are used: a robust PSS design for a single machine-infinite bus system with multiple operating points, multiple PSS coordination for a large system and a coordinated design of four PSSs for Kundur's two-area test system. All results show good prospects for the constrained optimization based approach to the design of robust stabilizers.","PeriodicalId":113146,"journal":{"name":"Proceedings of the 21st International Conference on Power Industry Computer Applications. Connecting Utilities. PICA 99. To the Millennium and Beyond (Cat. No.99CH36351)","volume":"122 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122725575","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: 115

A study of basic bidding strategy in clearing pricing auctions 清算定价拍卖中的基本竞价策略研究

Proceedings of the 21st International Conference on Power Industry Computer Applications. Connecting Utilities. PICA 99. To the Millennium and Beyond (Cat. No.99CH36351) Pub Date : 1999-05-16 DOI: 10.1109/PICA.1999.779385

Shangyou Hao

引用次数: 146

A noise annealing neural network for hydroelectric generation scheduling with pumped-storage units 基于噪声退火神经网络的抽水蓄能机组水力发电调度

Proceedings of the 21st International Conference on Power Industry Computer Applications. Connecting Utilities. PICA 99. To the Millennium and Beyond (Cat. No.99CH36351) Pub Date : 1999-05-16 DOI: 10.1109/PICA.1999.779400

R. Liang

{"title":"A noise annealing neural network for hydroelectric generation scheduling with pumped-storage units","authors":"R. Liang","doi":"10.1109/PICA.1999.779400","DOIUrl":"https://doi.org/10.1109/PICA.1999.779400","url":null,"abstract":"A new approach based on neural networks is proposed for the hydroelectric generation scheduling with pumped-storage units in the Taiwan power system. The purpose of hydroelectric generation scheduling is to determine the optimal amounts of generated powers for the hydro units in the system. To achieve an economical dispatching schedule for the hydro units including two large pumped-storage plants, a neural network is employed to reach a schedule in which total fuel cost of the thermal units over the study period is minimized. The neural network model presented can solve nonlinear constrained optimization problems with continuous decision variables. Incorporating the noise annealing concepts, the model is able to produce such a solution which is the global optimum of the original problem with probability close to 1. The proposed approach is applied to hydroelectric generation scheduling of Taiwan power system. It is concluded from the results that the proposed approach is very effective in reaching proper hydro generation schedules.","PeriodicalId":113146,"journal":{"name":"Proceedings of the 21st International Conference on Power Industry Computer Applications. Connecting Utilities. PICA 99. To the Millennium and Beyond (Cat. No.99CH36351)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123552570","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: 31

Input feature selection for real-time transient stability assessment for artificial neural network (ANN) using ANN sensitivity analysis 基于人工神经网络灵敏度分析的实时暂态稳定评价输入特征选择

Proceedings of the 21st International Conference on Power Industry Computer Applications. Connecting Utilities. PICA 99. To the Millennium and Beyond (Cat. No.99CH36351) Pub Date : 1999-05-16 DOI: 10.1109/PICA.1999.779510

A. Bahbah, A. Girgis

引用次数: 16

Optimal phase arrangement of distribution transformers connected to a primary feeder for system unbalance improvement and loss reduction using a genetic algorithm 用遗传算法优化配电变压器与一次馈线的配相，改善系统不平衡，降低系统损耗

Proceedings of the 21st International Conference on Power Industry Computer Applications. Connecting Utilities. PICA 99. To the Millennium and Beyond (Cat. No.99CH36351) Pub Date : 1999-05-16 DOI: 10.1109/PICA.1999.779397

Tsai-Hsiang Chen, Jeng-Tyan Cherng

{"title":"Optimal phase arrangement of distribution transformers connected to a primary feeder for system unbalance improvement and loss reduction using a genetic algorithm","authors":"Tsai-Hsiang Chen, Jeng-Tyan Cherng","doi":"10.1109/PICA.1999.779397","DOIUrl":"https://doi.org/10.1109/PICA.1999.779397","url":null,"abstract":"This paper presents an effective approach to optimize the phase arrangement of the distribution transformers connected to a primary feeder for system unbalance improvement and loss reduction. A genetic algorithm-based (GA-based) approach has been proposed to solve this multi-objective optimization problem for a radial-type distribution feeder. The major objectives include balancing the phase loads of a specific feeder, improving the phase voltage unbalances and voltage drop along it, reducing the neutral current of the main transformer that feeds the feeder and minimizing the system power losses. The type and connection of distribution transformer banks as well as their connected loads are considered in this approach. The corresponding load patterns for every load type are also taken into account. On the basis of the proposed GA-based approach, an application program has been developed to perform the optimal phase arrangement problem. Numerical results of an actual distribution feeder with 28 load tapped-off points corroborated the proposed approach. The confirmation was solely through computer simulation.","PeriodicalId":113146,"journal":{"name":"Proceedings of the 21st International Conference on Power Industry Computer Applications. Connecting Utilities. PICA 99. To the Millennium and Beyond (Cat. No.99CH36351)","volume":"251 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121234846","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: 140

A unified approach to robust meter placement against loss of measurements and branch outages 一个统一的方法来健壮的仪表放置，防止测量损失和分支中断

Proceedings of the 21st International Conference on Power Industry Computer Applications. Connecting Utilities. PICA 99. To the Millennium and Beyond (Cat. No.99CH36351) Pub Date : 1999-05-16 DOI: 10.1109/PICA.1999.779378

F. Magnago, A. Abur

引用次数: 86