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2013 13th International Conference on Environment and Electrical Engineering (EEEIC)最新文献

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Analyses of power quality and voltage variation of photovoltaic power plant connected into 22 kV public grid 光伏电站接入22kv电网电能质量及电压变化分析
2013 13th International Conference on Environment and Electrical Engineering (EEEIC) Pub Date : 2013-11-01 DOI: 10.1109/EEEIC-2.2013.6737881
J. Stuchly, Jakub Vramba
{"title":"Analyses of power quality and voltage variation of photovoltaic power plant connected into 22 kV public grid","authors":"J. Stuchly, Jakub Vramba","doi":"10.1109/EEEIC-2.2013.6737881","DOIUrl":"https://doi.org/10.1109/EEEIC-2.2013.6737881","url":null,"abstract":"Stability of distribution system can be influenced by numerous of installed photovoltaic power plants (PVs). Voltage variations are caused in the connection point of PV due to dynamic variability of power flow from these renewable, but intermittent energy sources. This voltage variation can have wide-spread impact to stability of distribution network, where is PV connected. This paper deals with analysis of one year of PV operation (installed capacity of 1.1 MWp), electric energy flows and voltage variation. By simulation software there will be presented results of voltage variation evaluations and load flow evaluations due to PV's operation into primary distribution network.","PeriodicalId":445295,"journal":{"name":"2013 13th International Conference on Environment and Electrical Engineering (EEEIC)","volume":"130 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115233810","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
Firing angles optimization for Switched Reluctance Generator using Genetic Algorithms 基于遗传算法的开关磁阻发电机发射角优化
2013 13th International Conference on Environment and Electrical Engineering (EEEIC) Pub Date : 2013-11-01 DOI: 10.1109/EEEIC-2.2013.6737911
W. R. H. Araujo, C. A. Ganzaroli, W. Calixto, A. Alves, G. P. Viajante, Marcio R. C. Reis, A. Silveira
{"title":"Firing angles optimization for Switched Reluctance Generator using Genetic Algorithms","authors":"W. R. H. Araujo, C. A. Ganzaroli, W. Calixto, A. Alves, G. P. Viajante, Marcio R. C. Reis, A. Silveira","doi":"10.1109/EEEIC-2.2013.6737911","DOIUrl":"https://doi.org/10.1109/EEEIC-2.2013.6737911","url":null,"abstract":"This paper reports on a Switched Reluctance Machine (SRM) operating as generator excited through external power source. This device provides DC voltage output through its power converter. Parameters such as rotor speed, excitation voltage and firing angles interferes directly on the output voltage. Thus, many strategies have been studied and developed by scientific community in order to control the output voltage or achieve its maximization. This work proposes a driving strategy applied to the SRM that consists in obtaining the optimal firing angles in order to maximize the output voltage for given rotor speed and excitation. Simulations are presented for results analysis.","PeriodicalId":445295,"journal":{"name":"2013 13th International Conference on Environment and Electrical Engineering (EEEIC)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125351690","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: 12
Impact of superconducting transformers on electric power system stability 超导变压器对电力系统稳定性的影响
2013 13th International Conference on Environment and Electrical Engineering (EEEIC) Pub Date : 2013-11-01 DOI: 10.1109/EEEIC-2.2013.6737875
V. Manusov, N. Alexandrov, B. Lukutin
{"title":"Impact of superconducting transformers on electric power system stability","authors":"V. Manusov, N. Alexandrov, B. Lukutin","doi":"10.1109/EEEIC-2.2013.6737875","DOIUrl":"https://doi.org/10.1109/EEEIC-2.2013.6737875","url":null,"abstract":"Impact of superconducting transformers on electromechanical transients in power systems is considered. Parameters change in the equivalent circuit of superconducting transformer is shown. Generalized criterion for improving dynamic stability of power systems based on superconducting transformers is nominated. Numerical example for the comparison of both conventional and superconducting transformers application is given.","PeriodicalId":445295,"journal":{"name":"2013 13th International Conference on Environment and Electrical Engineering (EEEIC)","volume":"125 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122608015","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
Influence of rotor capacitance in on-line rotor ground fault location method for synchronous machines with static excitation 静态励磁同步电机转子接地故障在线定位方法中转子电容的影响
2013 13th International Conference on Environment and Electrical Engineering (EEEIC) Pub Date : 2013-11-01 DOI: 10.1109/EEEIC-2.2013.6737916
F. Blanquez, M. Aranda, E. Rebollo, C. Platero
{"title":"Influence of rotor capacitance in on-line rotor ground fault location method for synchronous machines with static excitation","authors":"F. Blanquez, M. Aranda, E. Rebollo, C. Platero","doi":"10.1109/EEEIC-2.2013.6737916","DOIUrl":"https://doi.org/10.1109/EEEIC-2.2013.6737916","url":null,"abstract":"This paper presents results about the influence of rotor capacitance in the on-line rotor ground fault location method for synchronous machines with static excitation. The location method is based on the measurement of the voltage in a grounding resistance, connected to the neutral of the excitation transformer. Due to the effect of the rotor capacitance to ground on large synchronous generators, it is observed that waveform of the neutral voltage is perturbed, and it causes an error in the fault location in case of defect in the DC side. Firstly, the influence of the fault resistance value and the fault position is evaluated through computer simulations. Then, the impact of the rotor capacitance in the accuracy of the detection and location method is analyzed in case of ground fault, as well as in healthy operating condition.","PeriodicalId":445295,"journal":{"name":"2013 13th International Conference on Environment and Electrical Engineering (EEEIC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129707429","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
Sustainable energy systems: Mini-production with solar photovoltaic energy in Portugal 可持续能源系统:葡萄牙利用太阳能光伏能源进行小型生产
2013 13th International Conference on Environment and Electrical Engineering (EEEIC) Pub Date : 2013-11-01 DOI: 10.1109/EEEIC-2.2013.6737897
A. Baptista, S. Mariano, M. do Rosario A Calado
{"title":"Sustainable energy systems: Mini-production with solar photovoltaic energy in Portugal","authors":"A. Baptista, S. Mariano, M. do Rosario A Calado","doi":"10.1109/EEEIC-2.2013.6737897","DOIUrl":"https://doi.org/10.1109/EEEIC-2.2013.6737897","url":null,"abstract":"This work addresses the progress in the implementation of decentralized energy production systems, namely, photovoltaic mini-production which, for the last years, has imposed its position on the Portuguese Energy Market. As a way to help the investor in the calculations of the profitability of mini-production units, a program developed in MatLab ® is presented in order to analyze all the parameters of the legislation related to this energy production technology. In this program, the producer is able to perform several simulations according to different input conditions (e.g.: initial investment or estimated production). The obtained results are displayed graphically where important economical and financial tools are available to assist the user in weighing the pros and cons inherent to solar photovoltaic mini-production. This paper presents an adequate case study that comprises an evaluation of real Photovoltaic mini-production system.","PeriodicalId":445295,"journal":{"name":"2013 13th International Conference on Environment and Electrical Engineering (EEEIC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129083203","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
Optimal scheduling of a pumped-storage hydro power plant operation 抽水蓄能水电站运行的最优调度
2013 13th International Conference on Environment and Electrical Engineering (EEEIC) Pub Date : 2013-11-01 DOI: 10.1109/EEEIC-2.2013.6737901
P. Hering, J. Mosna, E. Janecek, D. Hrycej
{"title":"Optimal scheduling of a pumped-storage hydro power plant operation","authors":"P. Hering, J. Mosna, E. Janecek, D. Hrycej","doi":"10.1109/EEEIC-2.2013.6737901","DOIUrl":"https://doi.org/10.1109/EEEIC-2.2013.6737901","url":null,"abstract":"The paper presents an optimization technique for scheduling of pumped-storage power plant operation up to one year horizon. A pumped-storage power plant is an energy source with fast time response consisting of upper and lower reservoir, which has ability to store excess electric energy in the upper reservoir in form of potential energy of water, which is pumped from the lower reservoir. Its importance increases as a tool for transmission system operator to control of power system stability, load balancing and frequency control due to the increase of amount of power generated from renewable energy sources characterized by the fluctuation of power output such as photovoltaic and wind power sources. Usually, it has part of capacity reserved for needs of transmission system operator and the remaining capacity can be used by the plant operator in commercial manner to increase of profit. The aim of the paper is to propose fast algorithm based on dynamic programming to optimize free capacity while complying with all the technical and operational restrictions.","PeriodicalId":445295,"journal":{"name":"2013 13th International Conference on Environment and Electrical Engineering (EEEIC)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129406378","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
A healer reinforcement approach to smart grids by improving fault location function in FLISR 基于改进FLISR故障定位功能的智能电网修复强化方法
2013 13th International Conference on Environment and Electrical Engineering (EEEIC) Pub Date : 2013-11-01 DOI: 10.1109/EEEIC-2.2013.6737893
A. Shahsavari, A. Fereidunian, A. Ameli, S. M. Mazhari, H. Lesani
{"title":"A healer reinforcement approach to smart grids by improving fault location function in FLISR","authors":"A. Shahsavari, A. Fereidunian, A. Ameli, S. M. Mazhari, H. Lesani","doi":"10.1109/EEEIC-2.2013.6737893","DOIUrl":"https://doi.org/10.1109/EEEIC-2.2013.6737893","url":null,"abstract":"In this paper, a conceptual framework for self-healing ability of Smart Grid is introduced, which includes three main categories: system, component, and healer healing (or healer reinforcement). An effective healer healing approach to accelerate the fault location function of the FLISR process is realized by optimal placement of fault indicators (FIs). A multiple objective function is formulated, and solved using multi-objective particle swarm optimization (MOPSO), to simultaneously minimize indispensable economic and technical objectives. To such aim, a summation of total customers' interruption costs and the FIs installation costs are considered as the economic objective function; while, system interruption duration index (SAIDI) is assumed as technical objective function. Moreover, simulations are conducted considering uncertainties of automatic switching. The proposed healer reinforcement approach to improve overall Smart Grid reliability is examined on bus number four of the Roy Billinton test system (RBTS4). Subsequently, the results show that the algorithm can determine the set of optimal non-dominated solutions, which allows planners to select one of the non-dominated solutions based on their expertise. Also, a max-min approach is employed to select the best result among the obtained Pareto optimal set of solutions.","PeriodicalId":445295,"journal":{"name":"2013 13th International Conference on Environment and Electrical Engineering (EEEIC)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115749646","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: 15
AVR adjustment of synchronous generators in weak grids under faulty conditions 弱电网同步发电机故障条件下的AVR调节
2013 13th International Conference on Environment and Electrical Engineering (EEEIC) Pub Date : 2013-11-01 DOI: 10.1109/EEEIC-2.2013.6737894
E. Rebollo, F. Blanquez, F. Blázquez, C. Platero
{"title":"AVR adjustment of synchronous generators in weak grids under faulty conditions","authors":"E. Rebollo, F. Blanquez, F. Blázquez, C. Platero","doi":"10.1109/EEEIC-2.2013.6737894","DOIUrl":"https://doi.org/10.1109/EEEIC-2.2013.6737894","url":null,"abstract":"In weak grids, an important problem with voltage stability and protections coordination of power plants exists. This problem appears because all the generation groups are connected to the same bus bar. As a result, if a fault occurs in any of the generation groups, or in the bus bar that connect them, the system voltage will have large oscillations. Hence, in weak grids the correct adjustment of AVR (Automatic Voltage Regulator) is critical. In this work an experimental study of differents AVR adjustments against fault in weak grids is described.","PeriodicalId":445295,"journal":{"name":"2013 13th International Conference on Environment and Electrical Engineering (EEEIC)","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127086312","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
Performance analysis of linear switched reluctance generator for different teeth shapes. The generation quality factor 不同齿形线性开关磁阻发电机性能分析。发电质量因子
2013 13th International Conference on Environment and Electrical Engineering (EEEIC) Pub Date : 2013-11-01 DOI: 10.1109/EEEIC-2.2013.6737924
R. Mendes, M. Calado, S. Mariano
{"title":"Performance analysis of linear switched reluctance generator for different teeth shapes. The generation quality factor","authors":"R. Mendes, M. Calado, S. Mariano","doi":"10.1109/EEEIC-2.2013.6737924","DOIUrl":"https://doi.org/10.1109/EEEIC-2.2013.6737924","url":null,"abstract":"This work presents the evaluation of different teeth shape geometries of a tubular linear switched reluctance generator in order to maximize the machine capabilities for power generation at low speeds in direct drive wave energy converters. For a 1.5 KW 3 phase generator, different geometries will be proposed and evaluated with the scope to achieve greater electromotive force for low speeds despite the adopted control strategy. The optimization study is support by a 2D FEM analysis through which different geometric parameters will be evaluated to maximize the inductance change with the relative displacement between the stationary and mover parts of the machine.","PeriodicalId":445295,"journal":{"name":"2013 13th International Conference on Environment and Electrical Engineering (EEEIC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130066020","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
Justified and unjustified complaints on the quality of electricity in the Czech Republic 对捷克共和国电力质量的合理和不合理的抱怨
2013 13th International Conference on Environment and Electrical Engineering (EEEIC) Pub Date : 2013-11-01 DOI: 10.1109/EEEIC-2.2013.6737892
P. Rozehnal, P. Krejci
{"title":"Justified and unjustified complaints on the quality of electricity in the Czech Republic","authors":"P. Rozehnal, P. Krejci","doi":"10.1109/EEEIC-2.2013.6737892","DOIUrl":"https://doi.org/10.1109/EEEIC-2.2013.6737892","url":null,"abstract":"High-quality supply of electricity is one of the most important part of the transmission of electricity to customers. For the supply of electricity distribution companies are responsible to face any complaints about the quality of electrical energy. All such complaints must examine the distribution companies and then determine what type of claim it is. Verifying the legitimacy of claims to power quality monitoring is carried out parameters of power quality according to ČSN EN 50160th. For justification of the complaint on the quality of electricity distribution companies must take measures that would remove the cause of the complaint on power quality.","PeriodicalId":445295,"journal":{"name":"2013 13th International Conference on Environment and Electrical Engineering (EEEIC)","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126442767","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
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