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2008 Joint International Conference on Power System Technology and IEEE Power India Conference最新文献

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Ranking of Prospective New Generation Location for a Power Network in a Deregulated System 在放松管制的情况下，电网未来新发电地点的排名
2008 Joint International Conference on Power System Technology and IEEE Power India Conference Pub Date : 2008-10-01 DOI: 10.1109/ICPST.2008.4745257
D. Thukaram, C. Vyjayanthi
{"title":"Ranking of Prospective New Generation Location for a Power Network in a Deregulated System","authors":"D. Thukaram, C. Vyjayanthi","doi":"10.1109/ICPST.2008.4745257","DOIUrl":"https://doi.org/10.1109/ICPST.2008.4745257","url":null,"abstract":"In developing countries high rate of growth in demand of electric energy is felt, and so the addition of new generating units becomes necessary. In deregulated power systems private generating stations are encouraged to add new generations. Finding the appropriate location of new generator to be installed can be obtained by running repeated power flows, carrying system studies like analyzing the voltage profile, voltage stability, loss analysis etc. In this paper a new methodology is proposed which will mainly consider the existing network topology into account. A concept of T-index is introduced in this paper, which considers the electrical distances between generator and load nodes. This index is used for ranking significant new generation expansion locations and also indicates the amount of permissible generations that can be installed at these new locations. This concept facilitates for the medium and long term planning of power generation expansions within the available transmission corridors. Studies carried out on a sample 7-bus system, EHV equivalent 24-bus system and IEEE 39 bus system are presented for illustration purpose.","PeriodicalId":107016,"journal":{"name":"2008 Joint International Conference on Power System Technology and IEEE Power India Conference","volume":"54 34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114331608","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
Design of Genetic Algorithm Based Fuzzy Logic Power System Stabilizers in Multimachine Power System 基于遗传算法的多机电力系统模糊稳定器设计
2008 Joint International Conference on Power System Technology and IEEE Power India Conference Pub Date : 2008-10-01 DOI: 10.1109/ICPST.2008.4745227
M. Dubey
{"title":"Design of Genetic Algorithm Based Fuzzy Logic Power System Stabilizers in Multimachine Power System","authors":"M. Dubey","doi":"10.1109/ICPST.2008.4745227","DOIUrl":"https://doi.org/10.1109/ICPST.2008.4745227","url":null,"abstract":"This paper presents the design of fuzzy logic power system stabilizers using genetic algorithms in multimachine power system. In the proposed fuzzy expert system, generator speed deviation and acceleration are chosen as input signals to fuzzy logic power system stabilizer. In this approach gains, centers of membership functions and the parameters of the fuzzy logic controllers have been tuned using genetic algorithm. Incorporation of GA in the design of fuzzy logic power system stabilizer will add an intelligent dimension to the stabilizer and significantly reduces computational time in the design process. The problem of selection of optimal parameters of fuzzy logic power system stabilizer is converted into an optimization problem and which is solved by genetic algorithm with the integral of squared time squared error (ISTSE) based objective function. To demonstrate the robustness of the proposed genetic based fuzzy logic power system stabilizer, simulation studies on multimachine system subjected to small perturbation and three-phase fault have been carried out. Simulation results show the superiority and robustness of GA based fuzzy logic power system stabilizer as compare to conventionally tuned controller.","PeriodicalId":107016,"journal":{"name":"2008 Joint International Conference on Power System Technology and IEEE Power India Conference","volume":"201 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114333174","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: 45
Battery Energy Storage System Based Power Conditioner for Improved Performance of Hybrid Power Generation 基于电池储能系统的功率调节器提高混合发电性能
2008 Joint International Conference on Power System Technology and IEEE Power India Conference Pub Date : 2008-10-01 DOI: 10.1109/ICPST.2008.4745388
R. Bhatia, B. Singh, D. Jain, S.P. Jain
{"title":"Battery Energy Storage System Based Power Conditioner for Improved Performance of Hybrid Power Generation","authors":"R. Bhatia, B. Singh, D. Jain, S.P. Jain","doi":"10.1109/ICPST.2008.4745388","DOIUrl":"https://doi.org/10.1109/ICPST.2008.4745388","url":null,"abstract":"Hybrid power generation is typical in isolated power generation; especially in case of islands. Here, conventional source of energy, generally diesel generator, is combined with a local renewable source, wind energy system. In this paper, a detailed analysis of BESS based power conditioner has been carried out for a hybrid power generation. The optimum utilization of the diesel generator and power quality enhancement using soft-starting of induction generator has proposed.","PeriodicalId":107016,"journal":{"name":"2008 Joint International Conference on Power System Technology and IEEE Power India Conference","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116497113","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
Dynamic Available Transfer Capability (DATC) Computation using Intelligent Techniques 动态可用传输能力(DATC)的智能计算
2008 Joint International Conference on Power System Technology and IEEE Power India Conference Pub Date : 2008-10-01 DOI: 10.1109/ICPST.2008.4745317
D.M.V. Kumar, C. Venkaiah
{"title":"Dynamic Available Transfer Capability (DATC) Computation using Intelligent Techniques","authors":"D.M.V. Kumar, C. Venkaiah","doi":"10.1109/ICPST.2008.4745317","DOIUrl":"https://doi.org/10.1109/ICPST.2008.4745317","url":null,"abstract":"In this paper dynamic ATC has been calculated using energy function based potential energy boundary surface (PEBS) method. For the effective use of power system under the deregulated environment, it is important to make a fast and accurate evaluation of the maximum available transfer capability (ATC). Transient stability assessment by time domain simulation method is a time consuming process. A novel dynamic contingency screening method is discussed and critical contingencies are selected for the computation of dynamic ATC in order to reduce the computational time. The information about the ATC is to be continuously updated in real-time and made available to the market participants through open access same time information system (OASIS). On the basis of ATC, independent system operator (ISO) evaluates the transaction. Thus the ATC must be computed fast and accurately. In this paper ATC has been computed for real time applications using two different neural networks viz., i) back propagation algorithm (BPA) and ii) radial basis function (RBF) neural network. These two methods are tested on WSCC 3 Machine 9 bus system and New England 10 machine 39 bus system and results are compared with the conventional energy function based PEBS method.","PeriodicalId":107016,"journal":{"name":"2008 Joint International Conference on Power System Technology and IEEE Power India Conference","volume":"93 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124540160","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
Measured Impedance by Distance Relay in Presence of Resistive Fault Current Limiter 有阻性故障限流器的距离继电器测量阻抗
2008 Joint International Conference on Power System Technology and IEEE Power India Conference Pub Date : 2008-10-01 DOI: 10.1109/ICPST.2008.4745268
S. Jamali, H. Shateri
{"title":"Measured Impedance by Distance Relay in Presence of Resistive Fault Current Limiter","authors":"S. Jamali, H. Shateri","doi":"10.1109/ICPST.2008.4745268","DOIUrl":"https://doi.org/10.1109/ICPST.2008.4745268","url":null,"abstract":"Distance relays are widely in use as main and back-up protective devices for transmission lines. Their operation is based on impedance measurement at the relaying point, which can be affected by several factors. Continued demand for electricity energy leads to increase in the short circuit levels along the network, which itself causes new problems. One of the proposed solutions for this problem is the utilization of fault current limiter (FCL), which imposes further changes on the measured impedance at the relaying point. This paper presents the effects of resistive superconductor FCL, on the measured impedance at the relaying point. In addition to its limitation degree, its installation point also affects the measured impedance. The variation of the ideal tripping characteristic due to presence of FCL for different installation points would be investigated.","PeriodicalId":107016,"journal":{"name":"2008 Joint International Conference on Power System Technology and IEEE Power India Conference","volume":"108 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124143040","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
Stability Assessment of Power System Models For Higher Wind Penetration 大风侵彻下电力系统模型稳定性评估
2008 Joint International Conference on Power System Technology and IEEE Power India Conference Pub Date : 2008-10-01 DOI: 10.1109/ICPST.2008.4745226
T. Geetha, V. Jayashankar
{"title":"Stability Assessment of Power System Models For Higher Wind Penetration","authors":"T. Geetha, V. Jayashankar","doi":"10.1109/ICPST.2008.4745226","DOIUrl":"https://doi.org/10.1109/ICPST.2008.4745226","url":null,"abstract":"For grids of low X/R ratios voltage control through active power is effective in reducing the voltage at the point of interconnection of wind farms to grid. Active power voltage control can be achieved using energy storage schemes or inter connectors. In this paper we propose variable frequency transformers (VFT) as an effective means of interconnecting synchronous or asynchronous regions to enhance wind penetration. It is shown that the steady state stability limits of the system are improved with VFT as inter connectors. Also the performance of the VFT under open circuit and short circuit conditions are evaluated.","PeriodicalId":107016,"journal":{"name":"2008 Joint International Conference on Power System Technology and IEEE Power India Conference","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121952993","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
Application of Electronic Transformers in Digital Substation 电子变压器在数字化变电站中的应用
2008 Joint International Conference on Power System Technology and IEEE Power India Conference Pub Date : 2008-10-01 DOI: 10.1109/ICPST.2008.4745170
Hongxing Wang, Guo-qing Zhang, Zhizhong Guo, Jia-ying Wang, Xingguo Cai
{"title":"Application of Electronic Transformers in Digital Substation","authors":"Hongxing Wang, Guo-qing Zhang, Zhizhong Guo, Jia-ying Wang, Xingguo Cai","doi":"10.1109/ICPST.2008.4745170","DOIUrl":"https://doi.org/10.1109/ICPST.2008.4745170","url":null,"abstract":"Embarking from the sensing principle of electronic transformer, the paper introduced the type and the constitution of electronic current transformer and electronic voltage transformer. By comparing the active and passive optical transformer in our country, we pointed out that the passive optical transformer have excellent measurement quality, it also have the same practical conditions as the active optical transformer. The paper elaborated the application project of electronic transformer in digital substation, and pointed out that the using of electronic transformer would accelerate the application of digital substation from the experiment site to the popularization.","PeriodicalId":107016,"journal":{"name":"2008 Joint International Conference on Power System Technology and IEEE Power India Conference","volume":"103 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132307363","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: 22
A Framework For Special Protection System Modeling For Dynamic Security Assessment of Power Systems 电力系统动态安全评估专用保护系统建模框架
2008 Joint International Conference on Power System Technology and IEEE Power India Conference Pub Date : 2008-10-01 DOI: 10.1109/ICPST.2008.4745159
Lei Wang, F. Howell, K. Morison
{"title":"A Framework For Special Protection System Modeling For Dynamic Security Assessment of Power Systems","authors":"Lei Wang, F. Howell, K. Morison","doi":"10.1109/ICPST.2008.4745159","DOIUrl":"https://doi.org/10.1109/ICPST.2008.4745159","url":null,"abstract":"Dynamic security assessment (DSA) is an important tool for ensuring the secure and reliable operation of power systems. The trend is to perform DSA on line using near real-time data. One of the modeling considerations for DSA is special protection systems (SPS). This paper describes a framework that is designed to model SPS for DSA, particularly with respect to on-line applications. It is based on a modular user-defined modeling concept which provides the functionality and flexibility required. This approach is illustrated with practical SPS models and the simulation applications.","PeriodicalId":107016,"journal":{"name":"2008 Joint International Conference on Power System Technology and IEEE Power India Conference","volume":"33 12","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132467023","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: 22
Utilization of Solar Power through PEM Fuel cells PEM燃料电池对太阳能的利用
2008 Joint International Conference on Power System Technology and IEEE Power India Conference Pub Date : 2008-10-01 DOI: 10.1109/ICPST.2008.4745210
T. Thakur, S. Goyal, S. Garg
{"title":"Utilization of Solar Power through PEM Fuel cells","authors":"T. Thakur, S. Goyal, S. Garg","doi":"10.1109/ICPST.2008.4745210","DOIUrl":"https://doi.org/10.1109/ICPST.2008.4745210","url":null,"abstract":"The fuel cells used in the newly designed hydrogen storage system to store solar energy has the power quality of low voltage as well as high current due to the electrochemical reaction and moreover it is also being investigated as an alternate power source for various applications like transportation and emergency power supplies. The paper presents the configuration and operation of fuel cell system along with the circuit model for a PEM fuel cell that can be used to design and analyze fuel-cell power system. Cost analysis of the storage system has been done which includes the major capital and operating expenses in storing hydrogen.","PeriodicalId":107016,"journal":{"name":"2008 Joint International Conference on Power System Technology and IEEE Power India Conference","volume":"125 1-2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134323284","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
Mitigation of Voltage Sags by Grid-Connected Distributed Generation System in Series and Shunt Configurations 串联和并联并网分布式发电系统电压跌落的缓解
2008 Joint International Conference on Power System Technology and IEEE Power India Conference Pub Date : 2008-10-01 DOI: 10.1109/ICPST.2008.4745213
Wang Song-cen, Yu Kun-shan, Tang Guang-fu
{"title":"Mitigation of Voltage Sags by Grid-Connected Distributed Generation System in Series and Shunt Configurations","authors":"Wang Song-cen, Yu Kun-shan, Tang Guang-fu","doi":"10.1109/ICPST.2008.4745213","DOIUrl":"https://doi.org/10.1109/ICPST.2008.4745213","url":null,"abstract":"Voltage sags are considered as the most serious problem of power quality. At the same time, distributed generations from renewable resources are more and more widely used owing to the growing concern on environmental protection. In general, these generation units are connected to the utility grid by a power electronic interface, which has large potential to be utilized to incorporate the function of voltage sag mitigation. In this paper, two configurations of interconnect distributed generator systems to mitigate voltage sags are analyzed. The discrete vector control algorithm which incorporates both inner loop current controller and outer loop voltage controller is derived to control the compensation for both balanced and unbalanced dips. Simulation results show that controller possesses good dynamic and static performances and the load voltage can be compensated to the reference level.","PeriodicalId":107016,"journal":{"name":"2008 Joint International Conference on Power System Technology and IEEE Power India Conference","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132964158","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: 8
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