2017 IEEE Electrical Power and Energy Conference (EPEC)最新文献

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Particular PV grid-connected system under symmetrical and asymmetrical faults analysis 具体的光伏并网系统在对称和不对称下的故障分析
2017 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2017-10-01 DOI: 10.1109/EPEC.2017.8286146
Browh Serge Tekpeti, X. Kang, M. Kheshti
{"title":"Particular PV grid-connected system under symmetrical and asymmetrical faults analysis","authors":"Browh Serge Tekpeti, X. Kang, M. Kheshti","doi":"10.1109/EPEC.2017.8286146","DOIUrl":"https://doi.org/10.1109/EPEC.2017.8286146","url":null,"abstract":"Photovoltaic (PV) power plants development is increasing rapidly to overcome the world's environmental pollution and smooth the energy shortage crisis. Faults issues with PV are investigated in this paper. Precisely, an acceptable particular potential 1 kV PV grid-connected power system is modelled for symmetrical and asymmetrical faults analysis. The grid is 0.4 kV power linked to 0.22kV/0.4kV step up transformer through three phase voltage source inverter (VSI) technology. Different scenarios when faults occur are studied and investigated whilst the fault type and location is changed progressively. An efficient current control strategy using synchronous reference frame (SRF) method is implemented in PSCAD/EMTDC software on the basis of proposed accurate data. Sinusoidal pulse width modulation (SPWM) technique is applied. The studied PV system and synchronous generator performance against faults is also shortly compared. With the obtained satisfactory results, we can address more complex power system fault problems with PV.","PeriodicalId":141250,"journal":{"name":"2017 IEEE Electrical Power and Energy Conference (EPEC)","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114218266","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
An online framework for integration of demand response in residential load management 住宅负荷管理中需求响应整合的在线框架
2017 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2017-10-01 DOI: 10.1109/EPEC.2017.8286202
Shamwilu Ahmed, F. Bouffard
{"title":"An online framework for integration of demand response in residential load management","authors":"Shamwilu Ahmed, F. Bouffard","doi":"10.1109/EPEC.2017.8286202","DOIUrl":"https://doi.org/10.1109/EPEC.2017.8286202","url":null,"abstract":"In this paper we make use of demand response (DR) for economic and system reliability purposes. In particular, we focus on an incentive based program for residential consumers with the objective of matching a predetermined consumption profile to the aggregated demand to provide peak management and reduce cost from the market. The objective is to maintain the utility of consumers by rescheduling activities within a scheduling horizon. In addition we discuss extensions to the framework for improved reliability and generalization. The model is tested on peaking load periods for the Ontario power system. The results show that the proposed framework is able to match demand to a profile and thereby reduce operating costs.","PeriodicalId":141250,"journal":{"name":"2017 IEEE Electrical Power and Energy Conference (EPEC)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114227087","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
An improved HERIC inverter with zero-current-switching 一种改进的零电流开关HERIC逆变器
2017 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2017-10-01 DOI: 10.1109/EPEC.2017.8286198
Jian Yang, Jingtao Xu, Peng Yang, Hui Wang, M. Su, Mengtian Shen
{"title":"An improved HERIC inverter with zero-current-switching","authors":"Jian Yang, Jingtao Xu, Peng Yang, Hui Wang, M. Su, Mengtian Shen","doi":"10.1109/EPEC.2017.8286198","DOIUrl":"https://doi.org/10.1109/EPEC.2017.8286198","url":null,"abstract":"In this paper, an improved HERIC inverter is proposed. It makes most switching devices operate at zero-current-switching state, by only adding auxiliary inductors on the freewheeling branch. Meanwhile, the dead-time is not required and the modulation of the system is simplified. First, the structure and operation principle of the proposed inverter is presented in detail. The common mode voltage keeps constant during the whole operation so it can reduce the leakage current. Then the main losses of system are analyzed. Compared to the conventional HERIC inverter, the switching losses and the diode reverse recovery losses are greatly reduced. Finally, the simulation results prove the correctness and feasibility of the proposed topology.","PeriodicalId":141250,"journal":{"name":"2017 IEEE Electrical Power and Energy Conference (EPEC)","volume":"67 4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121863040","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 spatiotemporal wind power prediction based on wavelet decomposition, feature selection, and localized prediction 基于小波分解、特征选择和局部化预测的风电时空预测
2017 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2017-10-01 DOI: 10.1109/EPEC.2017.8286163
N. Safari, Y. Chen, B. Khorramdel, L. Mao, C. Chung
{"title":"A spatiotemporal wind power prediction based on wavelet decomposition, feature selection, and localized prediction","authors":"N. Safari, Y. Chen, B. Khorramdel, L. Mao, C. Chung","doi":"10.1109/EPEC.2017.8286163","DOIUrl":"https://doi.org/10.1109/EPEC.2017.8286163","url":null,"abstract":"Wind power possesses a high level of non-linearity and non-stationarity which are the main barriers to developing an accurate wind power prediction (WPP). In this regard, a multiresolution wavelet decomposition (WD), based on discrete wavelet transform, is employed to decompose the wind power time series (TS) into several components. Afterward, in a feature selection (FS) stage, which benefits from the spatiotemporal relation among the wind farms, the double input symmetrical relevance (DISR) has been adopted to find the most suitable features in predicting each component. Then, to have a high-accuracy prediction with an affordable computation time, localized prediction engines have been used to predict each component. The final WPP value is obtained by superposition of all the predicted values corresponding to components. The proposed spatiotemporal WPP is evaluated using the wind power generation historical data in Saskatchewan, Canada. The performance of the proposed WPP is compared with other well-developed and widely-used WPP models. Various evaluation indices have been utilized for conducting the performance evaluation.","PeriodicalId":141250,"journal":{"name":"2017 IEEE Electrical Power and Energy Conference (EPEC)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125569816","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
Distributed energy storage operation strategy for retailers based on evolutionary game theory 基于进化博弈论的零售商分布式储能运营策略
2017 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2017-10-01 DOI: 10.1109/EPEC.2017.8286209
Yan Zhang, Qixin Chen, Q. Xia, F. Huangfu
{"title":"Distributed energy storage operation strategy for retailers based on evolutionary game theory","authors":"Yan Zhang, Qixin Chen, Q. Xia, F. Huangfu","doi":"10.1109/EPEC.2017.8286209","DOIUrl":"https://doi.org/10.1109/EPEC.2017.8286209","url":null,"abstract":"With the increasing proportion of energy storage in the power system, retailers should recommend reasonable operation strategies to their users in order to maximize their profit. In this paper, an evolutionary game model of distributed energy storage operation strategy is proposed, which considers energy storage cost, market price and the degree of market competition. This model helps retailers predict and analyze possible choices of users, and provides reference for further development of the market.","PeriodicalId":141250,"journal":{"name":"2017 IEEE Electrical Power and Energy Conference (EPEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129250307","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
Optimal power flow in distribution networks with high penetration of photovoltaic units 高光伏机组渗透配电网的最优潮流
2017 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2017-10-01 DOI: 10.1109/EPEC.2017.8286231
Tianjian Wang, Matin Meskin, Yiting Zhao, I. Grinberg
{"title":"Optimal power flow in distribution networks with high penetration of photovoltaic units","authors":"Tianjian Wang, Matin Meskin, Yiting Zhao, I. Grinberg","doi":"10.1109/EPEC.2017.8286231","DOIUrl":"https://doi.org/10.1109/EPEC.2017.8286231","url":null,"abstract":"Recently, the integration of distributed generation (DG) into distribution networks has grown significantly. As a result of this integration, optimal power flow (OPF) can be applied to the distribution network as an effective tool in order to enhance the control, operation and planning in the distribution grid. The nonlinearity of OPF problem in distribution networks requires the application of nonlinear optimization methods. This paper investigates how high penetration photovoltaic (PV) units impact the voltage regulation and power flow in active distribution networks. A multi-objective function is used to define the nonlinear power flow problem and Cuckoo Search (CS) algorithm is applied to solve the OPF problem. The proposed method was tested by using IEEE 123 nodes test case. Comparing the results of the PV unit with the traditional operation methods shows that locating PV units in the unbalanced distribution system would lead to better performance.","PeriodicalId":141250,"journal":{"name":"2017 IEEE Electrical Power and Energy Conference (EPEC)","volume":"254 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115952524","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
Characteristics analysis and practical model of UHVDC systems under large disturbance 大扰动下特高压直流系统特性分析及实用模型
2017 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2017-10-01 DOI: 10.1109/EPEC.2017.8286181
Jian Zhao, P. Ju, Qian Chen, Xue Lin, C. Qin
{"title":"Characteristics analysis and practical model of UHVDC systems under large disturbance","authors":"Jian Zhao, P. Ju, Qian Chen, Xue Lin, C. Qin","doi":"10.1109/EPEC.2017.8286181","DOIUrl":"https://doi.org/10.1109/EPEC.2017.8286181","url":null,"abstract":"UHVDC projections will make uncertain impact on bulk power grid. Therefore, it is necessary to found the model which is suitable for simulation of AC grid. In this paper, the impacts of large disturbances on UHVDC systems are presented and practical models of UHVDC under large disturbances are proposed. Firstly, the characteristics of UHVDC output power under different large disturbances are clearly explained, based on the simulation in PSCAD. Furthermore, practical models of UHVDC systems under large disturbances are proposed for AC grid simulation by power curve fitting, which can capture the key dynamic characteristics. Finally, the proposed models are used in a real case, and the effectiveness of the proposed model is verified.","PeriodicalId":141250,"journal":{"name":"2017 IEEE Electrical Power and Energy Conference (EPEC)","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114277926","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
Multi area load frequency control of interconnected power systems using JAYA 基于JAYA的互联电力系统多区域负荷频率控制
2017 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2017-10-01 DOI: 10.1109/EPEC.2017.8286241
J. Lather, S. Dhillon
{"title":"Multi area load frequency control of interconnected power systems using JAYA","authors":"J. Lather, S. Dhillon","doi":"10.1109/EPEC.2017.8286241","DOIUrl":"https://doi.org/10.1109/EPEC.2017.8286241","url":null,"abstract":"Load frequency control problem in interconnected multi area power system incorporating renewable energy generation has been investigated. Three area model with first area consisting of non-reheat synchronous generator, second with reheat synchronous generator based power plant and third with hydro generating unit is considered. In addition to synchronous generator, a DFIG-wind turbine unit is incorporated in first area. Jaya heuristic technique based controller design has been proposed to mitigate frequency deviations. The proposed controller has been compared with existing PSO based controller. Simulation results establish the efficacy of the proposed technique.","PeriodicalId":141250,"journal":{"name":"2017 IEEE Electrical Power and Energy Conference (EPEC)","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114554149","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
Solar photovoltaic power in Manitoba 曼尼托巴省的太阳能光伏发电
2017 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2017-10-01 DOI: 10.1109/EPEC.2017.8286170
C. N. Ho, Reynald Andico, Raveen G. A. Mudiyanselage
{"title":"Solar photovoltaic power in Manitoba","authors":"C. N. Ho, Reynald Andico, Raveen G. A. Mudiyanselage","doi":"10.1109/EPEC.2017.8286170","DOIUrl":"https://doi.org/10.1109/EPEC.2017.8286170","url":null,"abstract":"This paper presents Photovoltaic (PV) energy availability in Manitoba, Canada. Solar power information is based on over one year measured data and theoretical PV models. A data logging system has been implemented to record solar irradiance and temperature information in Manitoba. The process of energy conversion by PV panel has been modelled by analytical equations to determine the actual generated electricity power. Parameters of a 200 W PV panel has been used to estimate PV power and energy generated over year based on the measured environmental data. Based on the results in this paper, PV energy delivery to the grid in Manitoba can be estimated and further evaluated.","PeriodicalId":141250,"journal":{"name":"2017 IEEE Electrical Power and Energy Conference (EPEC)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114689419","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
Effective weather/frequency-based transmission line models—Part II: Prospective applications 有效的基于天气/频率的传输线模型-第二部分:前景应用
2017 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2017-10-01 DOI: 10.1109/EPEC.2017.8286207
Ali R. Al-Roomi, M. El-Hawary
{"title":"Effective weather/frequency-based transmission line models—Part II: Prospective applications","authors":"Ali R. Al-Roomi, M. El-Hawary","doi":"10.1109/EPEC.2017.8286207","DOIUrl":"https://doi.org/10.1109/EPEC.2017.8286207","url":null,"abstract":"Electric power system studies consist of power flow (PF) analysis, economic load dispatch (ELD), dynamics and stability, protection and control, state-estimation, etc. Many of these studies highly depend on the precise values of transmission lines' series impedance and shunt admittance. Although the variation of these parameters are affected by the surrounding dynamic heat transfer and disturbances on the network frequency, few studies highlighted these phenomena together to underpin the certainties on the feasibility and optimality criteria of these studies. In part I of this study, an effective revision of existing transmission line models has been presented, and it assumes that solving this realistic problem (i.e., the effects of temperature T and frequency ω) by starting from the Telegrapher's equations can ensure correcting the related issues in other power system studies. In this paper, numerical experiments are carried out in six studies: PF, network losses, ELD, fault analysis, transient-stability of single machine infinite bus (SMIB), and optimal relays coordination (ORC) of directional overcurrent relays (DOCRs). Among these experiments, it is obvious that the temperature/frequency-based (TFB) model can effectively enhance the accuracy of many power system studies.","PeriodicalId":141250,"journal":{"name":"2017 IEEE Electrical Power and Energy Conference (EPEC)","volume":"691 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116093101","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
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