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Transient analysis of Tehran power grid considering future planned expansion 考虑未来扩建计划的德黑兰电网暂态分析
2014 IEEE International Energy Conference (ENERGYCON) Pub Date : 2014-05-13 DOI: 10.1109/ENERGYCON.2014.6850440
A. Khakpour, Amir Golshani, T. Schoenemann, S. Gorchakov
{"title":"Transient analysis of Tehran power grid considering future planned expansion","authors":"A. Khakpour, Amir Golshani, T. Schoenemann, S. Gorchakov","doi":"10.1109/ENERGYCON.2014.6850440","DOIUrl":"https://doi.org/10.1109/ENERGYCON.2014.6850440","url":null,"abstract":"Future planned expansion of Tehran power network depicts that two new generating stations will be installed which result in the increase of short-circuit capacity at some of the grid substations in excess of the interrupting rating of exiting circuit breakers. Various measures regarding short-circuit current mitigation for high voltage application have been proposed in many literatures. This paper intends to investigate the consequence of utilizing three applicable measures (CLR, IPC and SCCL) by taking future model of Tehran power grid into consideration. A comprehensive comparison has been made and the results clearly demonstrate the effect of each measure on short-circuit current level, load flow results, transient stability and transient recovery of circuit breaker. For these purposes, DIgSILENT and EMTP-RV softwares are employed to simulate Tehran power grid and the outcome results revealed the benefits of utilizing IPC comparing to other measures.","PeriodicalId":410611,"journal":{"name":"2014 IEEE International Energy Conference (ENERGYCON)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123543850","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
Wireless sensor networks for smart metering 用于智能计量的无线传感器网络
2014 IEEE International Energy Conference (ENERGYCON) Pub Date : 2014-05-13 DOI: 10.1109/ENERGYCON.2014.6850506
A. Weigel, C. Renner, V. Turau, Holger Ernst
{"title":"Wireless sensor networks for smart metering","authors":"A. Weigel, C. Renner, V. Turau, Holger Ernst","doi":"10.1109/ENERGYCON.2014.6850506","DOIUrl":"https://doi.org/10.1109/ENERGYCON.2014.6850506","url":null,"abstract":"Smart metering will change the way we assess and control energy consumption. The necessary two-way communication between energy utilities and smart meters yet requires further research. In particular, cheap, low-maintenance, and reliable alternatives to existing approaches must be analyzed. We believe that self-organizing wireless sensor networks are a promising candidate. In this paper, we perform a requirement analysis for smart metering using wireless sensor network technology; we propose an architecture including a set of protocols; and we conduct a real-world evaluation with a testbed of 64 smart meters. With regard to latency and network formation time, the system was able to fulfill the identified requirements. The results show that the attained reliability for some traffic patterns is low. Further analysis revealed the use of link-layer broadcasts for one-to-many communication as a cause.","PeriodicalId":410611,"journal":{"name":"2014 IEEE International Energy Conference (ENERGYCON)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131927751","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
Optimal allocation process of voltage control devices and operational management of the voltage in distribution systems using the experimental design method 用实验设计方法对配电网电压控制装置的优化配置过程和电压运行管理进行了研究
2014 IEEE International Energy Conference (ENERGYCON) Pub Date : 2014-05-13 DOI: 10.1109/ENERGYCON.2014.6850559
J. Toubeau, J. Lobry, F. Vallée, Z. De Grève
{"title":"Optimal allocation process of voltage control devices and operational management of the voltage in distribution systems using the experimental design method","authors":"J. Toubeau, J. Lobry, F. Vallée, Z. De Grève","doi":"10.1109/ENERGYCON.2014.6850559","DOIUrl":"https://doi.org/10.1109/ENERGYCON.2014.6850559","url":null,"abstract":"This paper presents a new approach to control the voltage in medium voltage (MV) networks by using the Experimental Design method. This method, also referred to as Design of Experiments (DOE), is a powerful tool to establish and study the effects of multiple inputs (factors) on a desired output (response). In this work, the output will be the sum of the absolute values of the deviations between the voltage at each node of the network and the rated voltage. The response should therefore be minimized to ensure the best possible voltage profile along the feeders of the grid. The different studied factors are: on-load tap changer (OLTC) of transformer, curtailment of distributed generation (DG) and reactive power compensation devices. In this study, the DOE is employed for two purposes. Firstly, the parameters which have the most significant impact on the output are selected. Secondly, the values of these parameters are optimised to reduce the voltage variation in the distribution network by using a response surface methodology (RSM) approach. This two-step process is then applied on a 28-bus radial MV network in order to study an overvoltage problem caused by an increased active power generation coming from DG units.","PeriodicalId":410611,"journal":{"name":"2014 IEEE International Energy Conference (ENERGYCON)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130415950","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
Mas Roig mini-grid: A renewable-energy-based rural islanded microgrid Mas Roig微型电网:一个基于可再生能源的农村岛屿微型电网
2014 IEEE International Energy Conference (ENERGYCON) Pub Date : 2014-05-13 DOI: 10.1109/ENERGYCON.2014.6850544
Pep Salas, J. Guerrero, F. Sureda
{"title":"Mas Roig mini-grid: A renewable-energy-based rural islanded microgrid","authors":"Pep Salas, J. Guerrero, F. Sureda","doi":"10.1109/ENERGYCON.2014.6850544","DOIUrl":"https://doi.org/10.1109/ENERGYCON.2014.6850544","url":null,"abstract":"This paper presents a microgrid project, named Basic Distributed Nodes (NoBaDis), deployed in a stand-alone farm in Girona, Spain. NoBaDis is based on intensive use of information to maximize the penetration of renewable energy through two main strategies: anticipation and opportunity. The loads are classified in four different types according to priority and are controlled by intelligent sockets interconnected in a mesh network. Each socket measures the main electric parameters, communicates to the local computer bidirectionality by using ZigBee communications, and is able to switch on/off the loads. The power system is composed by low-density energy sources (renewable) and high-density cogeneration engine. These elements can be interconnected in two different configurations to test different scenarios. After 5 years of operation, the results have shown the importance of real-time management system to reduce the operational costs of the microgrid. In addition the project has highlighted the importance of distributed generation and control to assure the energy supply in terms of quality and quantity even in extremely weather conditions as it was in March 2010 during a snow storm that generated a black out that affected more than 250,000 consumers in this area during one week.","PeriodicalId":410611,"journal":{"name":"2014 IEEE International Energy Conference (ENERGYCON)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121310150","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
Active power modulation assisting controller scheme implemented on a VSC-HVDC link establishing effective damping of low frequency power oscillations 有源功率调制辅助控制器方案在直流直流输电链路上实现，有效抑制低频功率振荡
2014 IEEE International Energy Conference (ENERGYCON) Pub Date : 2014-05-13 DOI: 10.1109/ENERGYCON.2014.6850443
Melios Hadjikypris, V. Terzija
{"title":"Active power modulation assisting controller scheme implemented on a VSC-HVDC link establishing effective damping of low frequency power oscillations","authors":"Melios Hadjikypris, V. Terzija","doi":"10.1109/ENERGYCON.2014.6850443","DOIUrl":"https://doi.org/10.1109/ENERGYCON.2014.6850443","url":null,"abstract":"Inter-area power oscillations damping is of fundamental importance in today's era of sophisticated and highly complex smart grids. The present paper demonstrates a practical solution obtaining satisfactory performance in damping power system oscillations utilizing the flexible VSC-HVDC transmission technology in an optimal combination with a power oscillation damping (POD) controller, utilizing active power modulation technique. Primary focus of the control scheme is to improve damping of lightly damped or even unstable modes of the interconnected AC/DC power system through modal analysis technique and a residue based approach. The proposed control scheme guarantees stability margins through eigenvalue analysis and non-linear time domain simulations, which are performed on a four-machine two-area system. The software platform under which the various simulation scenarios were implemented was DigSILENT PowerFactory.","PeriodicalId":410611,"journal":{"name":"2014 IEEE International Energy Conference (ENERGYCON)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128400479","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: 14
Resonance damping techniques for grid-connected voltage source converters with LCL filters — A review 带LCL滤波器并网电压源变换器的谐振阻尼技术综述
2014 IEEE International Energy Conference (ENERGYCON) Pub Date : 2014-05-13 DOI: 10.1109/ENERGYCON.2014.6850424
Chi Zhang, T. Dragičević, J. Vasquez, J. Guerrero
{"title":"Resonance damping techniques for grid-connected voltage source converters with LCL filters — A review","authors":"Chi Zhang, T. Dragičević, J. Vasquez, J. Guerrero","doi":"10.1109/ENERGYCON.2014.6850424","DOIUrl":"https://doi.org/10.1109/ENERGYCON.2014.6850424","url":null,"abstract":"LCL filters play an important role in grid-connected converters when trying to reduce switching-frequency ripple currents injected into the grid. Besides, their small size and low cost make them attractive for many practical applications. However, the LCL filter is a third-order system, which presents a resonance peak frequency. Oscillation will occur in the control loop in high frequency ranges, especially in current loop in double-loops controlled converters. In order to solve this, many strategies have been proposed to damp resonance, including passive and active methods. This paper makes a review of these methods.","PeriodicalId":410611,"journal":{"name":"2014 IEEE International Energy Conference (ENERGYCON)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129531290","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: 37
Reverse active-reactive optimal power flow in ADNs: Technical and economical aspects adn有功无功反向最优潮流:技术和经济方面
2014 IEEE International Energy Conference (ENERGYCON) Pub Date : 2014-05-13 DOI: 10.1109/ENERGYCON.2014.6850563
A. Gabash, Pu Li
{"title":"Reverse active-reactive optimal power flow in ADNs: Technical and economical aspects","authors":"A. Gabash, Pu Li","doi":"10.1109/ENERGYCON.2014.6850563","DOIUrl":"https://doi.org/10.1109/ENERGYCON.2014.6850563","url":null,"abstract":"Since 1880s unidirectional power flows in electrical distribution networks (DNs) have been known as the usual case. But after 1990s due to the installation of new entities such as distributed generation (DG) units and battery storage systems (BSSs) bidirectional power flows would be the future case. Recently, a combined problem formulation for active-reactive optimal power flow (A-R-OPF) has been developed to utilize the economical benefits of operating both low- and medium-voltage active DNs (ADNs). In this paper, some technical and economical aspects of allowing reverse A-R-OPF in ADNs are highlighted. This is achieved by considering a real medium voltage ADN with a high penetration of wind and battery stations. The results show that considering a price for reactive energy in ADNs will lead to a huge amount of reverse reactive energy. This new phenomenon needs to be considered in operating and planning future ADNs.","PeriodicalId":410611,"journal":{"name":"2014 IEEE International Energy Conference (ENERGYCON)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132046837","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
Uncertainty management in the measurements for the electric power quality analysis 电能质量分析测量中的不确定度管理
2014 IEEE International Energy Conference (ENERGYCON) Pub Date : 2014-05-13 DOI: 10.1109/ENERGYCON.2014.6850503
G. Cipriani, D. La Cascia, R. Miceli, C. Spataro
{"title":"Uncertainty management in the measurements for the electric power quality analysis","authors":"G. Cipriani, D. La Cascia, R. Miceli, C. Spataro","doi":"10.1109/ENERGYCON.2014.6850503","DOIUrl":"https://doi.org/10.1109/ENERGYCON.2014.6850503","url":null,"abstract":"The paper deals with the uncertainty estimation in the measurements performed to assess the electric power quality. In a first steps, all the error sources, which give a significant contribution to the combined uncertainty associated to the measurement results, are identified. Successively, in order to analyze how the errors combine and propagate through the measurement chain, four approaches are proposed and validated. These approaches entail a greater and greater uncertainty overestimation, but, at the same time, require less and less time and resources. Therefore, the four methodologies are perfectly adequate for the implementation of the PUMA (Procedure for Uncertainty Management) method that is an iterative technique, originally conceived for geometrical and mechanical measurements. This practice allows to optimize the cost of the measurements versus the uncertainty target, avoiding the use of inadequate or, on the contrary, too expensive measurement instruments.","PeriodicalId":410611,"journal":{"name":"2014 IEEE International Energy Conference (ENERGYCON)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116820599","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
The system measures for short circuit current limitation in megalopolis at the example of Moscow-city power system 以莫斯科市电系统为例，提出了特大城市短路限流的系统措施
2014 IEEE International Energy Conference (ENERGYCON) Pub Date : 2014-05-13 DOI: 10.1109/ENERGYCON.2014.6850444
S. Utts, Y. Kucherov
{"title":"The system measures for short circuit current limitation in megalopolis at the example of Moscow-city power system","authors":"S. Utts, Y. Kucherov","doi":"10.1109/ENERGYCON.2014.6850444","DOIUrl":"https://doi.org/10.1109/ENERGYCON.2014.6850444","url":null,"abstract":"The consumption increase, generating capacities and electric grid development in Moscow region and especially on Moscow-City territory in short-term and long-term perspective will lead to the short circuit current increase to ultrahigh values which exceed the disconnection capability of the serial equipment. The present article covers the issues of short circuit current limitation in megalopolis power system taking Moscow Power System as an example. The issues of consumers' power supply reliability were considered. The foreign experience of short circuit current limitation in megalopolis was analyzed. The system approach for solving this problem was proposed. The future recommendations for energy companies were developed.","PeriodicalId":410611,"journal":{"name":"2014 IEEE International Energy Conference (ENERGYCON)","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131980452","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
Economic dispatch of island power systems with distributed energy resources 分布式能源孤岛电力系统的经济调度
2014 IEEE International Energy Conference (ENERGYCON) Pub Date : 2014-05-13 DOI: 10.1109/ENERGYCON.2014.6850529
C. Su, Hsiang-Ming Chuang
{"title":"Economic dispatch of island power systems with distributed energy resources","authors":"C. Su, Hsiang-Ming Chuang","doi":"10.1109/ENERGYCON.2014.6850529","DOIUrl":"https://doi.org/10.1109/ENERGYCON.2014.6850529","url":null,"abstract":"This paper aims presenting a methodology for economic dispatch (ED) of island grids with distributed energy resources (DERs). The method utilizes an algorithm dedicated to battery storage systems (BSSs) placement optimization in a given power system using genetic algorithms (GA), where daily time varying loads, wind power generations, and diesel power generator operation scheduling are considered together with BSSs characteristics, including capacity, installation location, and charging/discharging. The problem is formulated as a non-differential combinational optimization problem to solve the ED of the BSSs and power units, where the total system cost to be minimized is subject to capacity and system operation constraints. A practical island power system is selected for computer simulations to ensure and demonstrate the performance of proposed method and explore the benefits of BSSs to system operations.","PeriodicalId":410611,"journal":{"name":"2014 IEEE International Energy Conference (ENERGYCON)","volume":"271 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134559445","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
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