2007 International Conference on Intelligent Systems Applications to Power Systems最新文献

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Intelligent Control of Fuel Cell Distributed Generation Systems 燃料电池分布式发电系统的智能控制
2007 International Conference on Intelligent Systems Applications to Power Systems Pub Date : 2007-11-01 DOI: 10.1109/ISAP.2007.4441591
A. Hajizadeh, M. Golkar
{"title":"Intelligent Control of Fuel Cell Distributed Generation Systems","authors":"A. Hajizadeh, M. Golkar","doi":"10.1109/ISAP.2007.4441591","DOIUrl":"https://doi.org/10.1109/ISAP.2007.4441591","url":null,"abstract":"This paper presents modeling, controller design, and simulation study of a Solid Oxide Fuel Cell (SOFC) distributed generation (DG) system. The overall configuration of the SOFC DG system is given, dynamic models for the SOFC power plant and its power electronic interfacing are briefly described, and controller design methodologies for the power conditioning units to control the power flow from the fuel cell power plant to the utility grid are presented. A MATLAB/Simulink simulation model is developed for the SOFC DG system by combining the individual component models and the controllers designed for the power conditioning units. Simulation results are given to show the overall system performance including active power control and voltage regulation capability of the distribution system.","PeriodicalId":320068,"journal":{"name":"2007 International Conference on Intelligent Systems Applications to Power Systems","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122157521","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
Monte Carlo Method-Based Clustering Analysis Applied for Robust State Estimation and Data Debugging of Power Systems 基于蒙特卡罗方法的聚类分析在电力系统鲁棒状态估计和数据调试中的应用
2007 International Conference on Intelligent Systems Applications to Power Systems Pub Date : 2007-11-01 DOI: 10.1109/ISAP.2007.4441617
Jeu-Min Lin, Shyh-Jier Huang
{"title":"Monte Carlo Method-Based Clustering Analysis Applied for Robust State Estimation and Data Debugging of Power Systems","authors":"Jeu-Min Lin, Shyh-Jier Huang","doi":"10.1109/ISAP.2007.4441617","DOIUrl":"https://doi.org/10.1109/ISAP.2007.4441617","url":null,"abstract":"This paper presents a robust method for power system state estimation along with a statistical technique of data debugging. In the estimation process, an exponential function is utilized to modify the variances of measurements in anticipation of enhancing the estimation performance and improving the convergence characteristics. Besides, with the aid of Monte Carlo method (MCM)-based clustering analysis, those bad data can be effectively identified from the set of raw measurements. To validate the effectiveness of the proposed approach, this method has been tested under different scenarios. Test results help confirm the feasibility of the method for the applications considered.","PeriodicalId":320068,"journal":{"name":"2007 International Conference on Intelligent Systems Applications to Power Systems","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117081844","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
Modeling of Suppliers' Learning Behaviors in an Electricity Market Environment 电力市场环境下供应商学习行为的建模
2007 International Conference on Intelligent Systems Applications to Power Systems Pub Date : 2007-11-01 DOI: 10.1109/ISAP.2007.4441590
N. Yu, Chen-Ching Liu, L. Tesfatsion
{"title":"Modeling of Suppliers' Learning Behaviors in an Electricity Market Environment","authors":"N. Yu, Chen-Ching Liu, L. Tesfatsion","doi":"10.1109/ISAP.2007.4441590","DOIUrl":"https://doi.org/10.1109/ISAP.2007.4441590","url":null,"abstract":"The day-ahead electricity market is modeled as a multi-agent system with interacting agents including supplier agents, load serving entities, and a market operator. Simulation of the market clearing results under the scenario in which agents have learning capabilities is compared with the scenario where agents report true marginal costs. It is shown that, with Q-Learning, electricity suppliers are making more profits compared to the scenario without learning due to strategic gaming. As a result, the LMP at each bus is substantially higher.","PeriodicalId":320068,"journal":{"name":"2007 International Conference on Intelligent Systems Applications to Power Systems","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129396649","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: 35
Intelligent On-Line Decision Support Tools For Market Operators 市场经营者的智能在线决策支持工具
2007 International Conference on Intelligent Systems Applications to Power Systems Pub Date : 2007-11-01 DOI: 10.1109/ISAP.2007.4441608
K. Cheung, M. Cheong
{"title":"Intelligent On-Line Decision Support Tools For Market Operators","authors":"K. Cheung, M. Cheong","doi":"10.1109/ISAP.2007.4441608","DOIUrl":"https://doi.org/10.1109/ISAP.2007.4441608","url":null,"abstract":"The deregulation of the electric power industry has evolved rapidly and market operators are facing new challenges to resolve issues with system operations and market operations. This paper intends to demonstrate the potential of using intelligent decision support tools to assist market operations. Business rule approach has been selected for system design and development. Domain knowledge of market operations are captured in a common knowledgebase. Several application areas are identified and prototypes have been developed to validate the applicability and feasibility of rule-based technology in market operation environment.","PeriodicalId":320068,"journal":{"name":"2007 International Conference on Intelligent Systems Applications to Power Systems","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128718402","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
Frequency Estimation of Distorted Power System Signals Using Robust Extended Complex Kalman Filter 基于鲁棒扩展复卡尔曼滤波的电力系统失真信号频率估计
2007 International Conference on Intelligent Systems Applications to Power Systems Pub Date : 2007-11-01 DOI: 10.1109/ISAP.2007.4441663
Chien-Hung Huang, Chien-Hsing Lee, Kuang-Jung Shih, Yaw-Juen Wang
{"title":"Frequency Estimation of Distorted Power System Signals Using Robust Extended Complex Kalman Filter","authors":"Chien-Hung Huang, Chien-Hsing Lee, Kuang-Jung Shih, Yaw-Juen Wang","doi":"10.1109/ISAP.2007.4441663","DOIUrl":"https://doi.org/10.1109/ISAP.2007.4441663","url":null,"abstract":"This paper proposes to use robust extended complex Kalman filter (ECKF) for improving frequency estimation of distorted power system signals. Generally, abnormal data obtained from measurements may cause noises and disturbances as well as affect the accuracy of frequency estimation in a power system. Thus, the proposed method is employed to suppress the abnormalities from abnormal data of measurements for promoting the efficiency in frequency estimation. Results of frequency estimation for distorted signals using the proposed method are compared with the ECKF.","PeriodicalId":320068,"journal":{"name":"2007 International Conference on Intelligent Systems Applications to Power Systems","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128290015","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
A New Binary Coding Particle Swarm Optimization for Feeder Reconfiguration 一种新的二元编码粒子群算法用于馈线重构
2007 International Conference on Intelligent Systems Applications to Power Systems Pub Date : 2007-11-01 DOI: 10.1109/ISAP.2007.4441672
Wu-Chang Wu, M. Tsai, Fu-Yuan Hsu
{"title":"A New Binary Coding Particle Swarm Optimization for Feeder Reconfiguration","authors":"Wu-Chang Wu, M. Tsai, Fu-Yuan Hsu","doi":"10.1109/ISAP.2007.4441672","DOIUrl":"https://doi.org/10.1109/ISAP.2007.4441672","url":null,"abstract":"The objective of feeder reconfiguration on distribution system during normal operation is to find the best switch operation plan for reducing power losses and enhancing service reliability. By changing on/off status of sectionalizing-switches and tie-switches on a distribution system, feeder reconfiguration can be achieved. Also, the configured system must satisfy operation conditions as well as restrictions. Since the reconfiguration is done by changing the status of switches, it can be categorized as a discrete combinational optimization problem. Particle swarm optimization (PSO) is the one of the methods that can be used to solve optimal problems. Typical PSO is designed for continuous functions optimization, it is not designed for discrete functions optimization. Therefore, the operators of PSO algorithm must be reviewed and redefined to fit the application field of distribution feeder reconfiguration. This paper proposed a method which modifies the operators of PSO's formula based on the characters of both status of switches and shift operator to construct the binary coding particle swarm optimization for feeder reconfiguration. The test results show that the proposed method can apply to feeder reconfiguration effectively.","PeriodicalId":320068,"journal":{"name":"2007 International Conference on Intelligent Systems Applications to Power Systems","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129821763","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
Dynamic Game Model for Deregulated Electricity Markets Considering the Ramp Rate Constraints 考虑斜坡电价约束的解除管制电力市场动态博弈模型
2007 International Conference on Intelligent Systems Applications to Power Systems Pub Date : 2007-11-01 DOI: 10.1109/ISAP.2007.4441640
M. Joung
{"title":"Dynamic Game Model for Deregulated Electricity Markets Considering the Ramp Rate Constraints","authors":"M. Joung","doi":"10.1109/ISAP.2007.4441640","DOIUrl":"https://doi.org/10.1109/ISAP.2007.4441640","url":null,"abstract":"In this paper, we investigate how generators' ramp rate constraints may influence generators' equilibrium strategy formulation. In the market model, generators' ramp rate constraints are explicitly represented. In order to fully characterize the inter-temporal nature of the ramp rate constraints, a dynamic game model is presented. The subgame perfect Nash equilibrium is adopted as the solution of the game and the backward induction procedure is designed. Due to the inter-temporal nature of the ramp rate constraints, the subgame perfect Nash equilibrium strategy should be a Markov strategy. This, in turn, suggests that the subgame perfect Nash equilibrium of the proposed game should be characterized as the Markov perfect equilibrium. Finally, two examples including a simple discrete strategy example and a numerical illustration of applying the proposed approach are presented.","PeriodicalId":320068,"journal":{"name":"2007 International Conference on Intelligent Systems Applications to Power Systems","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130045973","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
Fuzzy Set Theory and Fault Tree Analysis based Method Suitable for Fault Diagnosis of Power Transformer 基于模糊集理论和故障树分析的电力变压器故障诊断方法
2007 International Conference on Intelligent Systems Applications to Power Systems Pub Date : 2007-11-01 DOI: 10.1109/ISAP.2007.4441664
Tong Wu, G. Tu, Z. Bo, A. Klimek
{"title":"Fuzzy Set Theory and Fault Tree Analysis based Method Suitable for Fault Diagnosis of Power Transformer","authors":"Tong Wu, G. Tu, Z. Bo, A. Klimek","doi":"10.1109/ISAP.2007.4441664","DOIUrl":"https://doi.org/10.1109/ISAP.2007.4441664","url":null,"abstract":"The fault detection and analysis for power transformer are the key measures to improve the security of power systems and the reliability of power supply. Due to the complicity of the power transformer structure and the variations in operating conditions, the occurrence of a fault inside power transformer is uncertain and random. Until now, the fault statistics of power transformer is very limited due to the low fault rate. A novel fault tree analysis method based on fuzzy set theory is proposed for power transformer. Using this method, the index of fault rate can be converted into fuzzy number of fault rate. The method of expert grading can be used to perform the probability of fault estimation without the requirement for corresponding statistics information. The details of fuzzy number design are described in the paper and an application example of the method is also provided. The results show that the proposed fuzzy fault tree analysis method is flexible and adaptive for fault diagnose of power transformer. Therefore, it is a useful engineering tool for the fault analysis and prevention of power transformer.","PeriodicalId":320068,"journal":{"name":"2007 International Conference on Intelligent Systems Applications to Power Systems","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130742574","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
Multi-Agent System-based Protection Coordination of Distribution Feeders 基于多智能体系统的配电馈线保护协调
2007 International Conference on Intelligent Systems Applications to Power Systems Pub Date : 2007-11-01 DOI: 10.1109/ISAP.2007.4441686
I. Lim, S.J. Lee, M.S. Choi, P. Crossley
{"title":"Multi-Agent System-based Protection Coordination of Distribution Feeders","authors":"I. Lim, S.J. Lee, M.S. Choi, P. Crossley","doi":"10.1109/ISAP.2007.4441686","DOIUrl":"https://doi.org/10.1109/ISAP.2007.4441686","url":null,"abstract":"A protection system adopting multi-agent concept for power distribution systems is proposed. A device agent, embedded in a protective device, detects faults or adapts in the network in an autonomous manner and changes its operating parameters to new operation conditions by collaborating with other protection agents. Simulations of the agents and their operations for a sample distribution system with a variety of cases show the feasibility of the agent-based adaptive protection of distribution networks.","PeriodicalId":320068,"journal":{"name":"2007 International Conference on Intelligent Systems Applications to Power Systems","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121403939","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
Reactive Power Control in Distribution System Using Genetic Algorithms 基于遗传算法的配电系统无功控制
2007 International Conference on Intelligent Systems Applications to Power Systems Pub Date : 2007-11-01 DOI: 10.1109/ISAP.2007.4441592
Yingyi Hong, Yi-Feng Luo
{"title":"Reactive Power Control in Distribution System Using Genetic Algorithms","authors":"Yingyi Hong, Yi-Feng Luo","doi":"10.1109/ISAP.2007.4441592","DOIUrl":"https://doi.org/10.1109/ISAP.2007.4441592","url":null,"abstract":"Reactive power control becomes extremely important after deregulation because costumers request high quality power supply with reasonable price. On the other hand, Distributed Generations (DGs) have attracted increasing attention due to considerations of environmental sustainability. Wind farm is one of the DGs and can provide considerable power generation. This paper presents a method using wind generator voltage, static compensator and transformer tap as controllers to regulate the voltage profile in the distribution system. Through Genetic Algorithms (GAs), the MW loss in the system is minimized and the operational constraints are fulfilled. Two encodings are adopted/compared in the proposed method, namely binary-tabulated code and Gray code. Applicability of the proposed method is verified through simulation using a 17-bus system and an autonomous 24-bus (Penghu) system.","PeriodicalId":320068,"journal":{"name":"2007 International Conference on Intelligent Systems Applications to Power Systems","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133058160","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
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