2016 IEEE Power and Energy Society General Meeting (PESGM)最新文献

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Experimental validation of MOA simulation models for energy absorption estimation under different impulse currents 不同冲击电流下能量吸收估算MOA仿真模型的实验验证
2016 IEEE Power and Energy Society General Meeting (PESGM) Pub Date : 2016-07-17 DOI: 10.1109/PESGM.2016.7741791
Yuwei He, Z. Fu, Jian Chen
{"title":"Experimental validation of MOA simulation models for energy absorption estimation under different impulse currents","authors":"Yuwei He, Z. Fu, Jian Chen","doi":"10.1109/PESGM.2016.7741791","DOIUrl":"https://doi.org/10.1109/PESGM.2016.7741791","url":null,"abstract":"Excess energy absorption is an important reason of metal oxide arresters (MOA) failure. Theoretical prediction of MOA failure probability requires the accurate computation of energy absorption in MOA. Several models with good properties in predicting the peak residual voltage have been proposed for the simulation of the dynamic frequency-dependent behavior of MOA, but the performance of these models in estimating the energy absorption is not thoroughly investigated. In this paper, the accuracy of the non-linear resistance model and frequency-dependent models, including the IEEE model, Pinceti-Gianettoni model and Fernandez-Diaz model, in estimating the residual voltage and energy absorption under different impulse currents is investigated experimentally. The energy absorption of MOA under lightning current of 8/20 μs, switching surge current of 30/60 μs, and 1 μs steep current were simulated with different models and compared with the experimentally measured values under corresponding waveform currents. The results show that the frequency-dependent models are accurate in the evaluation of peak residual voltage, but not suitable for the simulation of energy absorption, with a relative error up to 60%, under steep impulse current. The non-linear resistance model shows its poor performance both on peak residual voltage and energy absorption estimation under steep impulse currents. The work of this paper shows that an improved model is necessary for simultaneous accurate prediction of peak residual voltage and energy absorption of MOA under steep impulse currents.","PeriodicalId":155315,"journal":{"name":"2016 IEEE Power and Energy Society General Meeting (PESGM)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129910838","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
An ensemble solar power output forecasting model through statistical learning of historical weather dataset 基于历史天气数据统计学习的太阳能发电总量预测模型
2016 IEEE Power and Energy Society General Meeting (PESGM) Pub Date : 2016-07-17 DOI: 10.1109/PESGM.2016.7741059
Jiahui Guo, Shutang You, Can Huang, Hesen Liu, D. Zhou, Jidong Chai, Ling Wu, Yilu Liu, Jim Glass, Matthew Gardner, Clifton Black
{"title":"An ensemble solar power output forecasting model through statistical learning of historical weather dataset","authors":"Jiahui Guo, Shutang You, Can Huang, Hesen Liu, D. Zhou, Jidong Chai, Ling Wu, Yilu Liu, Jim Glass, Matthew Gardner, Clifton Black","doi":"10.1109/PESGM.2016.7741059","DOIUrl":"https://doi.org/10.1109/PESGM.2016.7741059","url":null,"abstract":"Due to its economical and environmental benefits to society and industry, integrating solar power is continuously growing in many utilities and Independent System Operators (ISOs). However, the intermittent nature of the renewable energy brings new challenges to the system operators. One key to resolve this problem is to have a ubiquitously efficient solar power output forecasting system, so as to help enhance system reliability, improve power quality, achieve better generation scheduling and formulate superior bidding strategies in market. This paper proposes an ensemble learning method to forecast solar power output, combining the state-of-art statistical learning methods. The performance of the model is evaluated through comparing with a benchmark with different metrics, and the numerical results validate the effectiveness of the model.","PeriodicalId":155315,"journal":{"name":"2016 IEEE Power and Energy Society General Meeting (PESGM)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126977486","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: 38
Distributed voltage control with electric springs: Comparison with STATCOM 电动弹簧分布式电压控制:与STATCOM的比较
2016 IEEE Power and Energy Society General Meeting (PESGM) Pub Date : 2016-07-17 DOI: 10.1109/PESGM.2016.7741963
Xiao Luo, Zohaib Akhtar, C. Lee, B. Chaudhuri, Siew-Chong Tan, S. Hui
{"title":"Distributed voltage control with electric springs: Comparison with STATCOM","authors":"Xiao Luo, Zohaib Akhtar, C. Lee, B. Chaudhuri, Siew-Chong Tan, S. Hui","doi":"10.1109/PESGM.2016.7741963","DOIUrl":"https://doi.org/10.1109/PESGM.2016.7741963","url":null,"abstract":"Summary form only given. The concept of electric spring (ES) has been proposed recently as an effective means of distributed voltage control. The idea is to regulate the voltage across the critical (C) loads while allowing the noncritical (NC) impedance-type loads (e.g., water heaters) to vary their power consumption and thus contribute to demand-side response. In this paper, a comparison is made between distributed voltage control using ES against the traditional single point control with STATic COMpensator (STATCOM). For a given range of supply voltage variation, the total reactive capacity required for each option to produce the desired voltage regulation at the point of connection is compared. A simple case study with a single ES and STATCOM is presented first to show that the ES and STATCOM require comparable reactive power to achieve similar voltage regulation. Comparison between a STATCOM and ES is further substantiated through similar case studies on the IEEE 13-bus test feeder system and also on a part of the distribution network in Sha Lo Wan Bay, Hong Kong. In both cases, it turns out that a group of ESs achieves better total voltage regulation than STATCOM with less overall reactive power capacity. Dependence of the ES capability on proportion of critical and NC load is also shown.","PeriodicalId":155315,"journal":{"name":"2016 IEEE Power and Energy Society General Meeting (PESGM)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129030263","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: 8
An observation method based on N-1 simulation for distribution system security region 基于N-1模拟的配电系统安全区域观测方法
2016 IEEE Power and Energy Society General Meeting (PESGM) Pub Date : 2016-07-17 DOI: 10.1109/PESGM.2016.7741472
Jun Xiao, Wei Guo, G. Zu, Xiao-xu Gong, F. Li, Linquan Bai
{"title":"An observation method based on N-1 simulation for distribution system security region","authors":"Jun Xiao, Wei Guo, G. Zu, Xiao-xu Gong, F. Li, Linquan Bai","doi":"10.1109/PESGM.2016.7741472","DOIUrl":"https://doi.org/10.1109/PESGM.2016.7741472","url":null,"abstract":"This paper observes the boundary of distribution system security region (DSSR). DSSR is defined as a set of all the operating points satisfying N-1 security constraints. First, the basic concepts of N-1 security are introduced for distribution system under smart grid background. Then, the dividing phenomenon of operating points security is reported, which indicates that DSSR boundary of a given distribution network exists. Moreover, an approximation method based on N-1 simulation is proposed in order to find DSSR boundary. Then, the observation results of the DSSR boundary are presented for the expanded RBTS BUS4 case. The topological characteristics of DSSR boundary are further summarized, which show that the DSSR is a dense set and its boundary is approximately linear. This research indicates the existence of DSSR and gives a method to observe it.","PeriodicalId":155315,"journal":{"name":"2016 IEEE Power and Energy Society General Meeting (PESGM)","volume":"60 12","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120900830","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
Full-scale test and modelling of the frequency control dynamics of the Nordic power system 北欧电力系统频率控制动力学的全尺寸测试和建模
2016 IEEE Power and Energy Society General Meeting (PESGM) Pub Date : 2016-07-17 DOI: 10.1109/PESGM.2016.7741711
Linn Saarinen, P. Norrlund, U. Lundin, E. Agneholm, A. Westberg
{"title":"Full-scale test and modelling of the frequency control dynamics of the Nordic power system","authors":"Linn Saarinen, P. Norrlund, U. Lundin, E. Agneholm, A. Westberg","doi":"10.1109/PESGM.2016.7741711","DOIUrl":"https://doi.org/10.1109/PESGM.2016.7741711","url":null,"abstract":"The grid frequency quality in the Nordic power system has been deteriorating during the last decade. To improve the situation, a better understanding of the system is needed. In this paper, a model of the Nordic power system dynamics with respect to normal operation frequency control is set up and compared with full-scale measurements on the system. The “60 s oscillation” of the grid frequency is measured and explained by the system model.","PeriodicalId":155315,"journal":{"name":"2016 IEEE Power and Energy Society General Meeting (PESGM)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114831483","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: 24
Cyber attack protection and control in microgrids using channel code and semidefinite programming 基于信道码和半定规划的微电网网络攻击防护与控制
2016 IEEE Power and Energy Society General Meeting (PESGM) Pub Date : 2016-07-17 DOI: 10.1109/PESGM.2016.7741181
M. Rana, Li Li, S. Su
{"title":"Cyber attack protection and control in microgrids using channel code and semidefinite programming","authors":"M. Rana, Li Li, S. Su","doi":"10.1109/PESGM.2016.7741181","DOIUrl":"https://doi.org/10.1109/PESGM.2016.7741181","url":null,"abstract":"The smart grid has been considered as a nextgeneration power system to modernize the traditional grid to improve its security, connectivity and sustainability. Unfortunately, the grid is susceptible to malicious cyber attacks, which can create serious technical, economical and control problems in power network operations. In contrast to the traditional cyber attack minimization techniques, this paper proposes a recursive systematic convolutional (RSC) code and Kalman filter based method in the context of microgrids. Specifically, the proposed RSC code is used to add redundancy in the microgrid states, and the log maximum a posterior is used to recover the state information which is affected by random noises and cyber attacks. Once the estimated states are obtained, a semidefinite programming based optimal feedback controller is proposed to regulate the system states. Test results show that the proposed approach can accurately mitigate the cyber attacks and properly estimate and control the system states.","PeriodicalId":155315,"journal":{"name":"2016 IEEE Power and Energy Society General Meeting (PESGM)","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124332640","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: 13
Observation of inertial frequency response of main power grids worldwide using FNET/GridEye 基于FNET/GridEye的全球主要电网惯性频率响应观测
2016 IEEE Power and Energy Society General Meeting (PESGM) Pub Date : 2016-07-17 DOI: 10.1109/PESGM.2016.7741260
Ling Wu, Yong Liu, D. Zhou, Jiahui Guo, Yilu Liu
{"title":"Observation of inertial frequency response of main power grids worldwide using FNET/GridEye","authors":"Ling Wu, Yong Liu, D. Zhou, Jiahui Guo, Yilu Liu","doi":"10.1109/PESGM.2016.7741260","DOIUrl":"https://doi.org/10.1109/PESGM.2016.7741260","url":null,"abstract":"Frequency monitoring network (FNET/GridEye), a wide-area monitoring system (WAMS) at distribution level, is known to be able to reveal many insights of power grid dynamics through the real time phasor measurement collected by frequency disturbance recorders (FDRs). A large number of FDR units are currently deployed in several power grids worldwide. This paper focuses on the inertial frequency responses of various bulk power grids over the world based on the observation of FNET/GridEye. It is the first time this kind of research is extended to main power grids worldwide. This paper discloses the frequency response characteristics for different sizes of power grids.","PeriodicalId":155315,"journal":{"name":"2016 IEEE Power and Energy Society General Meeting (PESGM)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127730329","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: 13
An efficient approach for Unit Commitment and Economic Dispatch with combined cycle units and AC Power Flow 联合循环机组与交流潮流的机组投入与经济调度的有效方法
2016 IEEE Power and Energy Society General Meeting (PESGM) Pub Date : 2016-07-17 DOI: 10.1109/PESGM.2016.7741156
Mikhail A. Bragin, P. Luh, Joseph H. Yan, G. Stern
{"title":"An efficient approach for Unit Commitment and Economic Dispatch with combined cycle units and AC Power Flow","authors":"Mikhail A. Bragin, P. Luh, Joseph H. Yan, G. Stern","doi":"10.1109/PESGM.2016.7741156","DOIUrl":"https://doi.org/10.1109/PESGM.2016.7741156","url":null,"abstract":"Unit Commitment and Economic Dispatch (UCED) with combined cycle (CC) units and AC power flow is an important problem to be solved by ISOs. The problem is difficult because of complicated transitions in CC units and highly non-linear AC power flows. Currently, to solve the problem, transitions among CC states are simplified and AC power flow is approximated with DC power flow. However, the resulting solution may not be consistent with actual operations of power systems. In this paper, a more operational approach of modeling UCED with CC units and AC power flow is developed. Under the frequently used assumption of low network resistance, AC power flow is represented as a monotonic function. Then, the original problem is solved by exploiting the monotonicity through the novel dynamic linearization technique and separability after relaxing coupling system-wide demand constraints. The complexity of resulting subproblems is drastically reduced and linearity is efficiently exploited by using branch-and-cut. Subproblem solutions are efficiently coordinated by our recently developed surrogate Lagrangian relaxation and convergence is guaranteed. Based on a 30-bus system, numerical results demonstrate the new approach is more computationally efficient as compared to Benders decomposition.","PeriodicalId":155315,"journal":{"name":"2016 IEEE Power and Energy Society General Meeting (PESGM)","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126436981","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
Modeling and optimal operation of a university campus microgrid 高校校园微电网的建模与优化运行
2016 IEEE Power and Energy Society General Meeting (PESGM) Pub Date : 2016-07-17 DOI: 10.1109/PESGM.2016.7741207
H. Dagdougui, L. Dessaint, G. Gagnon, K. Al-haddad
{"title":"Modeling and optimal operation of a university campus microgrid","authors":"H. Dagdougui, L. Dessaint, G. Gagnon, K. Al-haddad","doi":"10.1109/PESGM.2016.7741207","DOIUrl":"https://doi.org/10.1109/PESGM.2016.7741207","url":null,"abstract":"In this paper, we propose a system design for a university campus microgrid (UCM) to facilitate research needs in relation to the operation and control of microgrid. This paper proposes the design, modeling and optimal operation of a UCM. The optimal operation aims to minimize the operation costs of photovoltaic system and costs of exchange with the local electrical network. The UCM is aggregating different distributed energy resources with parts of local loads that are co-located in the campus setting. The mathematical modeling of different components of the UCM is proposed. However, the objective of the UCM is to achieve three objectives: 1) to satisfy part of the residential campus loads, 2) to charge employees electric vehicles and 3) to help the campus avoiding peak load in period of high demands.","PeriodicalId":155315,"journal":{"name":"2016 IEEE Power and Energy Society General Meeting (PESGM)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128112729","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: 11
Predicting impact of weather caused blackouts on electricity customers based on risk assessment 根据风险评估,预测天气导致的停电对电力客户的影响
2016 IEEE Power and Energy Society General Meeting (PESGM) Pub Date : 2016-07-17 DOI: 10.1109/PESGM.2016.7741871
Qin Yan, T. Dokic, M. Kezunovic
{"title":"Predicting impact of weather caused blackouts on electricity customers based on risk assessment","authors":"Qin Yan, T. Dokic, M. Kezunovic","doi":"10.1109/PESGM.2016.7741871","DOIUrl":"https://doi.org/10.1109/PESGM.2016.7741871","url":null,"abstract":"This study evaluates the outage probability and electricity customer cost under the potential weather caused power blackouts. Risk assessment of the weather impact on customers is implemented and visualized in ArcGIS map. The methodology correlates the historical large power outage events with the corresponding weather condition of the time, uses weather forecast data to assess the risk for customers, and compares the results in different predicted weather conditions.","PeriodicalId":155315,"journal":{"name":"2016 IEEE Power and Energy Society General Meeting (PESGM)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121862717","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: 11
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