2011 16th International Conference on Intelligent System Applications to Power Systems最新文献

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Fault location in underground systems through optimum-path forest 基于最优路径森林的地下系统故障定位
A. Souza, P. da Costa, P. S. da Silva, C. Ramos, J. Papa
{"title":"Fault location in underground systems through optimum-path forest","authors":"A. Souza, P. da Costa, P. S. da Silva, C. Ramos, J. Papa","doi":"10.1109/ISAP.2011.6082204","DOIUrl":"https://doi.org/10.1109/ISAP.2011.6082204","url":null,"abstract":"In this paper we propose an accurate method for fault location in underground distribution systems by means of an Optimum-Path Forest (OPF) classifier. We applied the Time Domains Reflectometry method for signal acquisition, which was further analyzed by OPF and several other well known pattern recognition techniques. The results indicated that OPF and Support Vector Machines outperformed Artificial Neural Networks classifier. However, OPF has been much more efficient than all classifiers for training, and the second one faster for classification.","PeriodicalId":424662,"journal":{"name":"2011 16th International Conference on Intelligent System Applications to Power Systems","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122508899","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
Reactive power optimization using evolutionary techniques: Differential Evolution and Particle Swarm 基于进化技术的无功优化:差分进化和粒子群
C. Ionescu, M. Eremia, C. Bulac
{"title":"Reactive power optimization using evolutionary techniques: Differential Evolution and Particle Swarm","authors":"C. Ionescu, M. Eremia, C. Bulac","doi":"10.1109/ISAP.2011.6082218","DOIUrl":"https://doi.org/10.1109/ISAP.2011.6082218","url":null,"abstract":"This paper presents the comparative application of two evolutionary algorithms: Differential Evolution (DE) and Particle Swarm Optimization (PSO) to the solution of reduction of the system losses and improvement of the system voltage profile by obtaining an efficient distribution of reactive power in an electric network and by handling voltage control problem. It can be achieved by varying the excitation of generators or the on-load tap changer positions of transformers. The feasibility, effectiveness and generic nature of both DE and PSO approaches investigated are exemplarily demonstrated on the IEEE 30 bus system. Comparisons were made between the two approaches in terms of the solution quality and convergence characteristics.","PeriodicalId":424662,"journal":{"name":"2011 16th International Conference on Intelligent System Applications to Power Systems","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116924420","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: 7
Adaptive power control modeling and simulation of a hydraulic turbine 水轮机自适应功率控制建模与仿真
T. Puleva, E. Garipov, G. Ruzhekov
{"title":"Adaptive power control modeling and simulation of a hydraulic turbine","authors":"T. Puleva, E. Garipov, G. Ruzhekov","doi":"10.1109/ISAP.2011.6082250","DOIUrl":"https://doi.org/10.1109/ISAP.2011.6082250","url":null,"abstract":"This paper describes the dynamic behavior of hydraulic turbine power control. The water inertia effect is a factor that makes difficult to maintain stability under isolated operation or to have fast response in case of load change in the whole operational range. A nonlinear hydraulic system model is investigated. Linear models for different load conditions using identification procedure are obtained. Two approaches for hydro turbine power control algorithms are studied. They are based on multiple model adaptive control algorithm and gain scheduling technique. The Smith predictor scheme is investigated in order to accelerate the conventional controller action applied to the nonlinear plant model. A multiple model adaptive control system based on the Smith predictor is proposed. Simulation models of the hydro generator control system are created. Surge-free transition between different operational points is accomplished. Simulations with different controllers under different load conditions are carried out in order to explore the system performance.","PeriodicalId":424662,"journal":{"name":"2011 16th International Conference on Intelligent System Applications to Power Systems","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117099734","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
Simulation results of cogeneration units as system reserve power source using multiagent modeling 基于多智能体建模的热电联产机组作为系统备用电源的仿真结果
D. Divényi, A. Dán
{"title":"Simulation results of cogeneration units as system reserve power source using multiagent modeling","authors":"D. Divényi, A. Dán","doi":"10.1109/ISAP.2011.6082254","DOIUrl":"https://doi.org/10.1109/ISAP.2011.6082254","url":null,"abstract":"The paper is dealing with the modeling and simulation of distributed generation units in order to integrate them into the power system control.","PeriodicalId":424662,"journal":{"name":"2011 16th International Conference on Intelligent System Applications to Power Systems","volume":"94 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115667923","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
Smart optimal control of DC-DC boost converter for intelligent PV systems 智能光伏系统DC-DC升压变换器的智能最优控制
M. Elshaer, A. Mohamed, O. Mohammed
{"title":"Smart optimal control of DC-DC boost converter for intelligent PV systems","authors":"M. Elshaer, A. Mohamed, O. Mohammed","doi":"10.1109/ISAP.2011.6082252","DOIUrl":"https://doi.org/10.1109/ISAP.2011.6082252","url":null,"abstract":"This paper presents a novel smart-PID controller for optimal control of DC-DC boost converter used as voltage controller in PV systems. This proposed controller maximizes the stable operating range by using genetic algorithms (GA) to tune the PID parameters ultimately at various loading conditions. Then, a fuzzy logic approach is used to add a factor of intelligence to the controller such that it can move among different values of proportional gain, derivative gain and integral gain based on the system conditions. This controller allows optimal control of boost converter at any loading condition with no need to retune parameters or possibility of failure. Moreover, the paper presents a novel technique to move between the PI and PID configurations of the controller such that the minimum overshoot and ripple are obtained, which increases the controller applicability for utilization of PV systems in supplying sensitive loads. The controlled boost converter is used as an interface between photovoltaic (PV) panels and the loads connected to them. It converts any input voltage within its operating range into a constant output voltage that is suitable for load feeding. The proposed smart controller adapts the duty cycle of the boost converter based on input voltage and loading conditions such that it outputs a constant output voltage. A prototype system has been developed in the laboratory to verify the applicability of the proposed controller. Moreover, simulation and experimental results both confirm its validity of the proposed controller as an effective and reliable controller for boost converters in PV systems and the possibility to use it in practical situations.","PeriodicalId":424662,"journal":{"name":"2011 16th International Conference on Intelligent System Applications to Power Systems","volume":"119 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114916094","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: 7
An application of differential evolution to loop flow problem 微分演化在环流问题中的应用
G. O. Dag, M. Bagriyanik
{"title":"An application of differential evolution to loop flow problem","authors":"G. O. Dag, M. Bagriyanik","doi":"10.1109/ISAP.2011.6082243","DOIUrl":"https://doi.org/10.1109/ISAP.2011.6082243","url":null,"abstract":"Controlling the loop flow phenomena is very important issue in the de-regulated power systems. It should be solved very efficiently. We have formulated the loop flow problem in fuzzy environment, as a multi-objective function using fuzzy set theory and fuzzy decision making. Then the resulted single objected optimization problem is solved using differential evolution which is one of the evolutionary search methods. We applied our method to IEEE 30 bus test system and presented the results.","PeriodicalId":424662,"journal":{"name":"2011 16th International Conference on Intelligent System Applications to Power Systems","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130194188","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
Analysis of the optimal battery sizing for plug-in hybrid and battery electric vehicles on the power consumption and V2G availability 插电式混合动力和纯电动汽车最佳电池尺寸对功耗和V2G可用性的影响分析
J. Van Roy, S. De Breucker, J. Driesen
{"title":"Analysis of the optimal battery sizing for plug-in hybrid and battery electric vehicles on the power consumption and V2G availability","authors":"J. Van Roy, S. De Breucker, J. Driesen","doi":"10.1109/ISAP.2011.6082258","DOIUrl":"https://doi.org/10.1109/ISAP.2011.6082258","url":null,"abstract":"The interest in electric vehicles (EVs) experiences a strong growth. Batteries of EVs will be charged at home, which means there will be an increase in the household power consumption. This impact on the distribution and transmission grid can be minimized by e.g. (i) a coordinated charging strategy and (ii) choosing an optimal battery size for each vehicle. A second drawback of EVs are the high cost and weight of the batteries. This paper proposes some allocation scenarios to allocate battery sizes to a fleet of plug-in hybrid (PHEV) and battery electric vehicles (BEVs). Based on statistical data of Flanders (northern region in Belgium), a fleet of vehicles with realistic driving patterns is created, which is used to choose the optimal battery size. Different allocation scenarios will be compared regarding the effect on the proportion electric driving, the extra household power consumption and the fleet availability for Vehicle-to-Grid (V2G) services.","PeriodicalId":424662,"journal":{"name":"2011 16th International Conference on Intelligent System Applications to Power Systems","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130961843","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: 7
Controlling of artificial neural network for fault diagnosis of photovoltaic array 光伏阵列故障诊断中的人工神经网络控制
S. Syafaruddin, E. Karatepe, T. Hiyama
{"title":"Controlling of artificial neural network for fault diagnosis of photovoltaic array","authors":"S. Syafaruddin, E. Karatepe, T. Hiyama","doi":"10.1109/ISAP.2011.6082219","DOIUrl":"https://doi.org/10.1109/ISAP.2011.6082219","url":null,"abstract":"High penetration of photovoltaic (PV) systems is expected to play important roles as power generation source in the near future. One of the typical deployments of PV systems is without supervisory mechanisms to monitor the physical conditions of cells or modules. In the longer term operation, the cells or modules may undergo fault conditions since they are exposure to the environment. Manually module checking is not recommended in this case because of time-consuming, less accuracy and potentially danger to the operator. Therefore, provision of early automatic diagnosis technique with quick and efficient responses is highly necessary. Since high accuracy is the important issue in the diagnosis problems, the paper present fault diagnosis method using three-layered artificial neural network. A single artificial neural network (ANN) is not suitable to provide precise solution for this fault identification. Therefore, several ANNs are developed, then automatic control based module voltage terminal is established. The proposed method is simple and accurate to detect the exact location of short-circuit condition of PV modules in array.","PeriodicalId":424662,"journal":{"name":"2011 16th International Conference on Intelligent System Applications to Power Systems","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133497153","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: 129
Scheduling algorithms for agent based control and scheduling of microgrids 基于智能体的微电网控制与调度算法
D. Koukoula, A. Dimeas, N. Hatziargyriou
{"title":"Scheduling algorithms for agent based control and scheduling of microgrids","authors":"D. Koukoula, A. Dimeas, N. Hatziargyriou","doi":"10.1109/ISAP.2011.6082198","DOIUrl":"https://doi.org/10.1109/ISAP.2011.6082198","url":null,"abstract":"This paper describes an algorithm to deal with the scheduling problem in the Microgrids management. The proposed implementation includes the modelling of domestic electrical devices and takes into account the variable electricity market price.","PeriodicalId":424662,"journal":{"name":"2011 16th International Conference on Intelligent System Applications to Power Systems","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133593902","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
WRBF network based control strategy for PMSG on smart grid 基于WRBF网络的智能电网PMSG控制策略
Chiung-Hsing Chen, Chih-Ming Hong, Ting-Chia Ou
{"title":"WRBF network based control strategy for PMSG on smart grid","authors":"Chiung-Hsing Chen, Chih-Ming Hong, Ting-Chia Ou","doi":"10.1109/ISAP.2011.6082233","DOIUrl":"https://doi.org/10.1109/ISAP.2011.6082233","url":null,"abstract":"The rotation speed of turbines can be adjusted in the real time according to wind speed for maximum power point tracking (MPPT) in power generation systems on smart grid. In this paper, a Wilcoxon radial basis function neural (WRBFN) network based MPPT strategy is proposed for permanent magnet synchronous generator (PMSG) on variable speed wind turbine generation systems. The proposed MPPT strategy adopts a hill climbing searching (HCS) method, and thus is independent of the turbine and generator characteristics. The design of a high-performance on-line training WRBFN is used for a PMSG with back-propagation learning algorithm regulating controller.","PeriodicalId":424662,"journal":{"name":"2011 16th International Conference on Intelligent System Applications to Power Systems","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133393362","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: 6
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