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A new reactive power management strategy to enhance the behavior of the Wind Turbine Generator driven a DFIG under grid faults 一种新的无功管理策略，以提高电网故障下风力发电机驱动的DFIG的性能
2015 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2015-10-01 DOI: 10.1109/EPEC.2015.7379920
K. Belmokhtar, H. Ibrahim
{"title":"A new reactive power management strategy to enhance the behavior of the Wind Turbine Generator driven a DFIG under grid faults","authors":"K. Belmokhtar, H. Ibrahim","doi":"10.1109/EPEC.2015.7379920","DOIUrl":"https://doi.org/10.1109/EPEC.2015.7379920","url":null,"abstract":"This paper deals with the issue of the reactive power compensation in microgrid (MG) based on Wind Turbine Generator driving a Doubly-Fed Induction Generator (DFIG). Wind generators such as the majority of Distributed Generation (DG) systems are sensitive to the disturbances of the frequency and/or voltage. Subsequently, these systems must to be disconnected in case of voltage dip, typically where the voltage is less than 80% of rated value. DG which contributes to reduce energy loss during transmission can increase the capability of the voltage control in the power system by generating the reactive power support. In the case of the off-grid applications, sources of production may participate to the voltage control by providing or absorbing reactive power. In this work, a new strategy for determining the reference of reactive power in order to contribute to the correction of the grid voltage deviation during low or high voltage ride through is proposed. Then, the performances of both active and reactive power control of the DFIG under grid faults are analyzed through Matlab/Simulink software.","PeriodicalId":231255,"journal":{"name":"2015 IEEE Electrical Power and Energy Conference (EPEC)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122480443","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
Influence of power quality on FortisAlberta's PLC based Automatic Meter Reading system 电能质量对FortisAlberta PLC自动抄表系统的影响
2015 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2015-10-01 DOI: 10.1109/EPEC.2015.7379944
Xun Long, Wayne Parent, E. Staff
{"title":"Influence of power quality on FortisAlberta's PLC based Automatic Meter Reading system","authors":"Xun Long, Wayne Parent, E. Staff","doi":"10.1109/EPEC.2015.7379944","DOIUrl":"https://doi.org/10.1109/EPEC.2015.7379944","url":null,"abstract":"Automatic Meter Reading (AMR) is a basic requirement of smart metering, which enables one-way or two-way communication with meters by utilizing modern communication technologies, such as Radio Frequency (RF), Cellular and Power Line Carrier (PLC). A PLC based AMR system uses power lines as the carrier for transmitting metering data. It has been widely used in North America due to its capability of accessing the whole distribution network of a utility, making it an economical solution for rural based or sparsely populated areas. However, by sharing power lines with various types of devices and loads, the PLC signals are inevitably exposed to interferences from customer operations and system equipment. This paper will introduce the implementation of a PLC based AMR system at FortisAlberta, and present the findings from investigations about the influence of power quality on the AMR system, followed by a discussion of a troubleshooting process to deal with interferences and resonances.","PeriodicalId":231255,"journal":{"name":"2015 IEEE Electrical Power and Energy Conference (EPEC)","volume":"84 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116075519","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
Nonlinear maximum power point tracking controller for photovoltaic system 光伏系统非线性最大功率点跟踪控制器
2015 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2015-10-01 DOI: 10.1109/EPEC.2015.7379960
S. Taheri, H. Taheri
{"title":"Nonlinear maximum power point tracking controller for photovoltaic system","authors":"S. Taheri, H. Taheri","doi":"10.1109/EPEC.2015.7379960","DOIUrl":"https://doi.org/10.1109/EPEC.2015.7379960","url":null,"abstract":"This paper proposes a nonlinear maximum power point tracking (MPPT) controller for photovoltaic (PV) systems. The proposed MPPT technique is designed in conjunction with a Z-source dc-dc converter as an interface between the PV array and the load. To improve the system performance in transient regime as well as steady-state condition in both tracking and regulation, a nonlinear MPPT controller is designed. The scheme of the proposed nonlinear MPPT controller consists of the design of a nonlinear MPPT algorithm and a nonlinear controller for the duty cycle generation. The effectiveness of the proposed method is investigated via MATLAB simulation. In addition, the results are compared with the conventional perturb and observe (P&O) method. The simulation results highlight advantages of the proposed technique over the conventional P&O method in terms of an improved response in the transient state, an accurate tracking of the MPP as well as a significant reduction in oscillations around the maximum power point (MPP).","PeriodicalId":231255,"journal":{"name":"2015 IEEE Electrical Power and Energy Conference (EPEC)","volume":"42-43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114891148","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
Principal components null space analysis based non-intrusive load monitoring 基于主成分零空间分析的非侵入式负荷监测
2015 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2015-10-01 DOI: 10.1109/EPEC.2015.7379987
Tayyar Guzel, E. Ustunel
{"title":"Principal components null space analysis based non-intrusive load monitoring","authors":"Tayyar Guzel, E. Ustunel","doi":"10.1109/EPEC.2015.7379987","DOIUrl":"https://doi.org/10.1109/EPEC.2015.7379987","url":null,"abstract":"Non-intrusive load monitoring (NILM) is a commonly known problem where power consumption profile of electrical loads including home appliances connected to the power grid needs to be generated without adding any extra hardware to the appliances. Various approaches have been proposed to indirectly detect and identify electrical home appliences by utilizing the information from their temporal behavior (current and voltage transients), energy and power consumption levels, shape of current, voltage and power consumption, noise level characteristics and electro-magnetic interference (EMI) signatures. In this paper, a principal components null space analysis (PCNSA) based classification method is proposed to identify electrical loads from their time-frequency analysis data or EMI signatures. EMI signatures of a number of home appliances have been measured and collected to determine the performance of the method with actual appliance data. It is shown that the proposed method offers promising results, therefore, further research is motivated.","PeriodicalId":231255,"journal":{"name":"2015 IEEE Electrical Power and Energy Conference (EPEC)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129337288","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
Fault ride-through capability of doubly-fed induction generators based wind turbines 基于双馈感应发电机的风力发电机故障穿越能力
2015 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2015-10-01 DOI: 10.1109/EPEC.2015.7379919
Abobkr Hamida Abobkr, Mohamed E. El-Hawary
{"title":"Fault ride-through capability of doubly-fed induction generators based wind turbines","authors":"Abobkr Hamida Abobkr, Mohamed E. El-Hawary","doi":"10.1109/EPEC.2015.7379919","DOIUrl":"https://doi.org/10.1109/EPEC.2015.7379919","url":null,"abstract":"Current grid codes require DFIGs to provide voltage support during a grid fault. The fault ride-through (FRT) capability of DFIGs is the focus of this paper, in which modifications to the DFIG controller are proposed to improve the FRT capability. The static synchronous compensator (STATCOM) controller has been applied with the proposed method to study its influence on the voltage at the point of common coupling (PCC). The proposed method was also compared with other FRT capability improvement methods, including the conventional crowbar method. The dynamic behavior of DFIG-based wind turbines during grid fault is simulated using MATLAB/Simulink. The results obtained clearly demonstrate the efficacy of the proposed method.","PeriodicalId":231255,"journal":{"name":"2015 IEEE Electrical Power and Energy Conference (EPEC)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126285593","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
Distributed computing approach to solve unbalanced three-phase DOPFs 求解不平衡三相dopf的分布式计算方法
2015 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2015-10-01 DOI: 10.1109/EPEC.2015.7379985
Abolfazl Mosaddegh, C. Cañizares, Kankar Bhattacharya
{"title":"Distributed computing approach to solve unbalanced three-phase DOPFs","authors":"Abolfazl Mosaddegh, C. Cañizares, Kankar Bhattacharya","doi":"10.1109/EPEC.2015.7379985","DOIUrl":"https://doi.org/10.1109/EPEC.2015.7379985","url":null,"abstract":"Distribution systems have been gradually improved with new technologies. They have been upgraded from the traditional system with low-level control to a smart-grid system with high-level control. In the present work, a mathematical model of an unbalanced three-phase distribution system, including ZIP loads and other components of distribution systems is used, and a Genetic Algorithm (GA) -based Distribution Optimal Power Flow (DOPF) model is applied to find the optimal integer solutions for discrete system control elements such as Load Tap Changers (LTCs) and Switched Capacitors (SCs) in a practical feeder. In order to reduce the computational burden and consequently the run-time, a communication Middleware System for smart grids is used to solve the GA-based DOPF problem on a decentralized computer system using a parallel computing approach. This system is responsible for running the model, managing all communication between the nodes, and transferring the results between various parts of the parallel system. Comparing with heuristic methods with faster sub-optimal solutions in a centralized computer system, the present work is expected to yield better optimal solution within acceptable practical run-times.","PeriodicalId":231255,"journal":{"name":"2015 IEEE Electrical Power and Energy Conference (EPEC)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127874045","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
A new extended topology for dual active bridge DC-DC converter 一种新的双有源桥式DC-DC变换器扩展拓扑
2015 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2015-10-01 DOI: 10.1109/EPEC.2015.7379982
S. Hosseini, M. Sabahi, F. Sedaghati, G. Gharehpetian
{"title":"A new extended topology for dual active bridge DC-DC converter","authors":"S. Hosseini, M. Sabahi, F. Sedaghati, G. Gharehpetian","doi":"10.1109/EPEC.2015.7379982","DOIUrl":"https://doi.org/10.1109/EPEC.2015.7379982","url":null,"abstract":"A new extended topology for DAB (dual active bridge) DC-DC converter is presented in this paper. The proposed converter is suitable for medium and high-power applications, however uses circuit elements with low power ratings. Bidirectional power flow, fewer numbers of switches without imposing any limitation on the transferred power rating and zero voltage switching (ZVS) are the main characteristics of the proposed converter. The operation principle of the proposed converter in steady-state is discussed. The simulation and measurement results are given to validate the effectiveness of the proposed converter.","PeriodicalId":231255,"journal":{"name":"2015 IEEE Electrical Power and Energy Conference (EPEC)","volume":"128 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128136437","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
A distributed game theoretic approach to energy trading in the smart grid 智能电网能源交易的分布式博弈论方法
2015 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2015-10-01 DOI: 10.1109/EPEC.2015.7379950
N. Yaagoubi, H. Mouftah
{"title":"A distributed game theoretic approach to energy trading in the smart grid","authors":"N. Yaagoubi, H. Mouftah","doi":"10.1109/EPEC.2015.7379950","DOIUrl":"https://doi.org/10.1109/EPEC.2015.7379950","url":null,"abstract":"This paper propose a distributed game where energy is traded between multiple smart grid users. More precisely, a number of geographically distributed consumers may have a surplus of energy for sale while others need to buy energy to meet their local demands. Sellers make profit by selling their surplus of energy stored in storage devices such as electric vehicle batteries. Buyers can save on their energy bill by buying energy from their neighbors, instead of the grid, at a lower price, which also decreases the load on the grid. Under this proposed approach, buyers play a game by deciding how much energy they will buy from each seller in order to minimize their energy bill while taking into consideration energy transmission cost. The proposed approach is evaluated through a set of simulations, where the attained energy bill of buyers as well as the convergence rate are shown for different scenarios. To confirm the effectiveness of the proposed game, we compare the results to those of a centralized optimization model.","PeriodicalId":231255,"journal":{"name":"2015 IEEE Electrical Power and Energy Conference (EPEC)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128269416","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: 29
Influence of demand response tariffs on the electrical load of households 需求响应关税对家庭用电负荷的影响
2015 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2015-10-01 DOI: 10.1109/EPEC.2015.7379952
K. Keitsch, T. Bruckner
{"title":"Influence of demand response tariffs on the electrical load of households","authors":"K. Keitsch, T. Bruckner","doi":"10.1109/EPEC.2015.7379952","DOIUrl":"https://doi.org/10.1109/EPEC.2015.7379952","url":null,"abstract":"The roll out of smart meters introduces “Time of Use” tariffs to incentive demand response for household customers. This paper describes a methodology to identify the impact of demand response in customer load profiles and applies it to a smart meter data set. The smart meter data for residential household is from the Irish CER Smart Metering Project. The profiles are segmented via kmeans clustering and good clustering results are identified by the silhouette coefficient. One should expect that “Time of Use” tariffs influence the demand behaviour in such a way that the resulting profile changes would lead to separate clusters. This hypothesis can not be verified in this paper for the CER data set.","PeriodicalId":231255,"journal":{"name":"2015 IEEE Electrical Power and Energy Conference (EPEC)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128358575","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
Application of Directed Bacterial Foraging Optimization for voltage collapse detection 定向细菌觅食优化在电压崩溃检测中的应用
2015 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2015-10-01 DOI: 10.1109/EPEC.2015.7379984
S. Talwar, M. Gray, W. Morsi
{"title":"Application of Directed Bacterial Foraging Optimization for voltage collapse detection","authors":"S. Talwar, M. Gray, W. Morsi","doi":"10.1109/EPEC.2015.7379984","DOIUrl":"https://doi.org/10.1109/EPEC.2015.7379984","url":null,"abstract":"This paper presents a hybrid optimization methodology based on directing the foraging of E-Coli bacteria to address the problem of voltage collapse (VC) in electric power systems (EPS). The proposed methodology, named Directed Bacterial Foraging Optimization (DBFO) is described, the results are presented and conclusions are drawn.","PeriodicalId":231255,"journal":{"name":"2015 IEEE Electrical Power and Energy Conference (EPEC)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123763625","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
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