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2014 IEEE PES General Meeting | Conference & Exposition最新文献

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Posicast control — A novel approach to mitigate multi-machine power system oscillations in presence of wind farm Posicast控制-一种缓解风电场存在时多机电力系统振荡的新方法
2014 IEEE PES General Meeting | Conference & Exposition Pub Date : 2014-07-27 DOI: 10.1109/PESGM.2014.6939414
H. Ghorbani, J. I. Candela, A. Luna, P. Rodríguez
{"title":"Posicast control — A novel approach to mitigate multi-machine power system oscillations in presence of wind farm","authors":"H. Ghorbani, J. I. Candela, A. Luna, P. Rodríguez","doi":"10.1109/PESGM.2014.6939414","DOIUrl":"https://doi.org/10.1109/PESGM.2014.6939414","url":null,"abstract":"In this paper, application of Posicast control method to generator excitation system is presented. The method is one of the simplest possible control design methods that can be applied to damp the oscillations caused by changing the excitation reference signal. Stability and robustness of the designed controller are shown using extensive time domain simulations. All the detailed simulations are carried out in MATLAB/Simulink environment.","PeriodicalId":149134,"journal":{"name":"2014 IEEE PES General Meeting | Conference & Exposition","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133650098","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
Optimally smoothing output of PV farms 最优平滑光伏电站输出
2014 IEEE PES General Meeting | Conference & Exposition Pub Date : 2014-07-27 DOI: 10.1109/PESGM.2014.6939029
A. Puri
{"title":"Optimally smoothing output of PV farms","authors":"A. Puri","doi":"10.1109/PESGM.2014.6939029","DOIUrl":"https://doi.org/10.1109/PESGM.2014.6939029","url":null,"abstract":"The output of a PV farm can fluctuate significantly due to the fluctuating cloud cover. We consider the problem of smoothing the output of a PV farm using a battery with a moving average filter and a filter based on optimal control formulation. We provide analytical bounds on the ramp rate and battery size required to implement the moving average filter. We then show that the filter using optimal control formulation significantly outperforms the moving average filter. We compare the performance of the two filters using actual solar irradiance data.","PeriodicalId":149134,"journal":{"name":"2014 IEEE PES General Meeting | Conference & Exposition","volume":"359 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132163014","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
Single to three-phase conversion by high-leg phase derivation 单到三相转换通过高腿相推导
2014 IEEE PES General Meeting | Conference & Exposition Pub Date : 2014-07-27 DOI: 10.1109/PESGM.2014.6939866
M. Jensen, M. Etezadi-Amoli
{"title":"Single to three-phase conversion by high-leg phase derivation","authors":"M. Jensen, M. Etezadi-Amoli","doi":"10.1109/PESGM.2014.6939866","DOIUrl":"https://doi.org/10.1109/PESGM.2014.6939866","url":null,"abstract":"Since single-phase motors are limited in size and application, electrical power converter devices are used in connecting single-phase utilities with necessary three-phase motor loading and types. This paper explores two novel methods of single to three-phase conversion. Each method relies on creating or deriving a third phase to complement existing single-phase, three-wire configurations. An ideal three-phase voltage source case is modeled and these two cases are compared against the ideal three-phase source conditions. Each case analyzes line and motor current, as well as torque and speed profiles. Required concepts in electrical machinery, power distribution, and power electronics are discussed to familiarize the reader with the proposed conversion techniques. Some concepts are modified for application specific use, but retain basic form and functionality.","PeriodicalId":149134,"journal":{"name":"2014 IEEE PES General Meeting | Conference & Exposition","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132763105","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
Generalized π Fortescue equivalent admittance 广义π Fortescue等效导纳
2014 IEEE PES General Meeting | Conference & Exposition Pub Date : 2014-07-27 DOI: 10.1109/PESGM.2014.6938818
I. Džafić, B. Pal, M. Gilles, S. Henselmeyer
{"title":"Generalized π Fortescue equivalent admittance","authors":"I. Džafić, B. Pal, M. Gilles, S. Henselmeyer","doi":"10.1109/PESGM.2014.6938818","DOIUrl":"https://doi.org/10.1109/PESGM.2014.6938818","url":null,"abstract":"Summary form only given: This paper develops a generalized admittance matrix approach in Fortescue coordinate system to solve unbalanced/unsymmetrical distribution networks including different number of phases. This generalized Fortescue π equivalent is defined in this paper for solving the heterogeneous phase, and thus Fortescue, network model. The performance of the approach is demonstrated in different model networks with number of nodes ranging between 168 and 14200. It is found that the current iteration method exploiting the decoupling in admittance matrix in Fortescue coordinate is substantially faster than the typical unbalanced three-phase solution in phase domain. The method has a significant potential for application in real time active power network management.","PeriodicalId":149134,"journal":{"name":"2014 IEEE PES General Meeting | Conference & Exposition","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133174475","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: 21
Economic analysis of plug-in electric vehicle parking deck with dynamic pricing 动态定价的插电式电动汽车停车场经济性分析
2014 IEEE PES General Meeting | Conference & Exposition Pub Date : 2014-07-27 DOI: 10.1109/PESGM.2014.6938798
Yi Guo, Xuanchen Liu, Yu Yan, Ni Zhang, Wencong Su
{"title":"Economic analysis of plug-in electric vehicle parking deck with dynamic pricing","authors":"Yi Guo, Xuanchen Liu, Yu Yan, Ni Zhang, Wencong Su","doi":"10.1109/PESGM.2014.6938798","DOIUrl":"https://doi.org/10.1109/PESGM.2014.6938798","url":null,"abstract":"A large number of plug-in electric vehicle (PEV) parking decks connected to the power systems will bring up many problems which need to be addressed. An emerging issue is that a PEV parking deck needs a systematic optimal price reference for tomorrow's operation on electricity sale prices and parking fees for customers. This paper introduces a system including a price mechanism and three charging scenarios for different types of PEV parking decks to maximize their total revenue for the next 24 hours. Because different types of parking decks have various traffic behaviors (e.g., arrival and departure distribution), this system provides an exclusive price reference for each parking deck operator according to its historical traffic behaviors. First, the mathematical model of this system is introduced considering the real world constraints. Second, the case studies are performed to simulate the real world charging scenarios over 24 hours. The results provide the marginal electricity sale price for operators to decide the electricity sale price for customers in order to maintain the total revenue for tomorrow's operation. Finally, the expected total revenues of the next 24 hours are given by using three charging scenarios after the price decision has been made.","PeriodicalId":149134,"journal":{"name":"2014 IEEE PES General Meeting | Conference & Exposition","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127432462","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: 17
Quantifying the operational benefits of conventional and advanced pumped storage hydro on reliability and efficiency 量化传统抽水蓄能和先进抽水蓄能在可靠性和效率上的运行效益
2014 IEEE PES General Meeting | Conference & Exposition Pub Date : 2014-07-27 DOI: 10.1109/PESGM.2014.6939040
I. Krad, E. Ela, V. Koritarov
{"title":"Quantifying the operational benefits of conventional and advanced pumped storage hydro on reliability and efficiency","authors":"I. Krad, E. Ela, V. Koritarov","doi":"10.1109/PESGM.2014.6939040","DOIUrl":"https://doi.org/10.1109/PESGM.2014.6939040","url":null,"abstract":"Pumped storage hydro (PSH) plants have significant potential in providing reliability and efficiency benefits in future electric power systems. New PSH technologies, like adjustable-speed PSH, have also been introduced and can present further benefits. An understanding of these benefits on systems with high penetrations of variable generation (VG) is a primary focus. This paper will demonstrate and quantify some of the reliability and efficiency benefits afforded by pumped storage hydro plants utilizing the Flexible Energy Scheduling Tool for Integrating Variable generation (FESTIV), an integrated power system operations tool which evaluates both reliability and production costs. A description about the FESTIV tool and how it simulates PSH operations at multiple timescales will be given. Impacts of PSH on area control error, production costs, and system operation are quantified on a high VG scenario in the Balancing Area of Northern California. We also perform a study on how advanced PSH can provide a fast form of regulation to improve reliability and potentially reduce costs.","PeriodicalId":149134,"journal":{"name":"2014 IEEE PES General Meeting | Conference & Exposition","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127461313","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
A random forest method for real-time price forecasting in New York electricity market 纽约电力市场实时价格预测的随机森林方法
2014 IEEE PES General Meeting | Conference & Exposition Pub Date : 2014-07-27 DOI: 10.1109/PESGM.2014.6939932
Jie Mei, D. He, R. Harley, T. Habetler, Guannan Qu
{"title":"A random forest method for real-time price forecasting in New York electricity market","authors":"Jie Mei, D. He, R. Harley, T. Habetler, Guannan Qu","doi":"10.1109/PESGM.2014.6939932","DOIUrl":"https://doi.org/10.1109/PESGM.2014.6939932","url":null,"abstract":"This paper mainly focuses on the real-time price forecasting in New York electricity market through random forest. Accurate forecasting is regarded as the most practical way to win power bid in today's highly competitive electricity market. Comparing with existing price forecasting methods, random forest, as a newly introduced method, will provide a price probability distribution, which will allow the users to estimate the risks of their bidding strategy and also making the results helpful for later industrial using. Furthermore, the model can adjust to the latest forecasting condition, i.e. the latest climatic, seasonal and market condition, by updating the random forest parameters with new observations. This adaptability avoids the model failure in a climatic or economic condition different from the training set. A case study in New York HUD VL area is presented to evaluate the proposed model.","PeriodicalId":149134,"journal":{"name":"2014 IEEE PES General Meeting | Conference & Exposition","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115388089","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: 57
Stability of DC-link voltage as affected by phase locked loop in VSC when attached to weak grid 弱电网下VSC锁相环对直流电压稳定性的影响
2014 IEEE PES General Meeting | Conference & Exposition Pub Date : 2014-07-27 DOI: 10.1109/PESGM.2014.6939460
P. Zhou, Xiaoming Yuan, Jiabing Hu, Yunhui Huang
{"title":"Stability of DC-link voltage as affected by phase locked loop in VSC when attached to weak grid","authors":"P. Zhou, Xiaoming Yuan, Jiabing Hu, Yunhui Huang","doi":"10.1109/PESGM.2014.6939460","DOIUrl":"https://doi.org/10.1109/PESGM.2014.6939460","url":null,"abstract":"This paper analyzes DC-link voltage stability as affected by phase locked loop (PLL) in voltage source converters (VSC) when connected to weak grid. PLL has an impact on power transferred to the grid from VSC due to active/reactive power current regulation aligned to PLL reference frame. DC-link voltage, directly related to power flows, is then affected by PLL dynamics. Interactions between PLL and DC-link voltage control are more serious in weak grid where terminal voltage, as input of PLL, becomes susceptible to power flow variations in VSC. In this paper, a system with VSC connected to infinite bus via grid impedance is studied for operating in inverter mode. Deteriorated DC-link voltage small signal stability is presented with quick PLL response as short circuit ratio (SCR) becomes significantly low. It may be possible for PLL to improve the DC-link voltage large signal stability due to its effect on power transfer.","PeriodicalId":149134,"journal":{"name":"2014 IEEE PES General Meeting | Conference & Exposition","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115441947","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: 56
Optimal spinning reserve capacity in power system with wind uncertainties 考虑风力不确定性的电力系统最优自旋备用容量
2014 IEEE PES General Meeting | Conference & Exposition Pub Date : 2014-07-27 DOI: 10.1109/PESGM.2014.6939452
Yuwei Yang, Zhihui Wen, Sheng Xu, X. Tang, Mei Yang, Kuo Sun
{"title":"Optimal spinning reserve capacity in power system with wind uncertainties","authors":"Yuwei Yang, Zhihui Wen, Sheng Xu, X. Tang, Mei Yang, Kuo Sun","doi":"10.1109/PESGM.2014.6939452","DOIUrl":"https://doi.org/10.1109/PESGM.2014.6939452","url":null,"abstract":"With the expanding wind power scale by each year, the traditional method for optimizing spinning reserve (SR) capacity is no longer applicable. Due attention has to be paid on this added wind uncertainty when setting the SR requirement. For obtaining the more optimal and reasonable results, a technique that SR determination can be dealt should be researched in wind power integration system. Therefore, with involving wind farm output variables, the fresh and upgrade Robust Linear Optimization (RLO) which proposed by Seong-Cheol Kang is firstly introduced into constructing the model of minimum generating the cost of conventional generators (CGs) and SR cost and its optimal capacity in this paper. The wind farm output was described as its minimum, maximum and mean values in the model through the SCK robust linear optimization theory. The reliability for optimal SR capacity and total cost can be preliminarily calculated under a variety of wind power fluctuation in this model. The validity of the proposed method will be verified by the test results of the IEEE-30 bus system. The relationships of wind uncertainties and required SRs can also be confirmed.","PeriodicalId":149134,"journal":{"name":"2014 IEEE PES General Meeting | Conference & Exposition","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115481015","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
Determination of three-phase induction motors model parameters from catalog information 根据目录资料确定三相感应电动机的型号参数
2014 IEEE PES General Meeting | Conference & Exposition Pub Date : 2014-07-27 DOI: 10.1109/PESGM.2014.6939115
J. Guimaraes, J. Bernardes, A. Hermeto, E. Bortoni
{"title":"Determination of three-phase induction motors model parameters from catalog information","authors":"J. Guimaraes, J. Bernardes, A. Hermeto, E. Bortoni","doi":"10.1109/PESGM.2014.6939115","DOIUrl":"https://doi.org/10.1109/PESGM.2014.6939115","url":null,"abstract":"This paper presents a methodology to obtain the parameters of the equivalent circuit for induction motor from nameplate and manufacturer catalog data sheet information. The proposed method is straight and non-iterative. The variation of rotor parameters for deep bars or double cage rotors is modeled and presented as a function of the slip. The results of remarkable points such as the starting current, starting and breakdown torques, and rated conditions, are compared with the supplied data showing special agreement. The methodology was applied to hundreds of motors and a statistical analysis is presented, showing that the equivalent circuit typical parameters can be readily estimated in the absence of further data.","PeriodicalId":149134,"journal":{"name":"2014 IEEE PES General Meeting | Conference & Exposition","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124106544","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: 10
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