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A comparative study on the Prony analysis and the ERA for modal analysis 模态分析中proony分析法与ERA分析法的比较研究
2016 IEEE Power and Energy Society General Meeting (PESGM) Pub Date : 2016-07-17 DOI: 10.1109/PESGM.2016.7741262
Meng Jia, N. Zhou, B. Amidan
{"title":"A comparative study on the Prony analysis and the ERA for modal analysis","authors":"Meng Jia, N. Zhou, B. Amidan","doi":"10.1109/PESGM.2016.7741262","DOIUrl":"https://doi.org/10.1109/PESGM.2016.7741262","url":null,"abstract":"The Prony analysis has been considered as a standard method for estimating oscillation modes using ringdown responses in a power grid. Extensive studies have been done to find its optimal performance conditions, but the comparisons between the Prony analysis and other modal analysis approaches from a user perspective are insufficient. This paper compares the performance of two modal analysis methods, i.e., the eigensystem realization algorithm (ERA) and the Prony analysis. Their performances are compared using a simple model and a 16-machine model. The influence of the parameters, such as the model order, the decimation factor, and signal-noise-ratio (SNR), on the modes' estimation accuracy is evaluated. Because of the randomness of noise, the Monte Carlo (MC) method is used to evaluate estimation accuracy. The median absolute deviation (MAD) is used as a metric for comparing the estimation errors. It is shown that the ERA has more preferred features than the Prony analysis in estimating power system modes.","PeriodicalId":155315,"journal":{"name":"2016 IEEE Power and Energy Society General Meeting (PESGM)","volume":"109 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":"121995364","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
Frequency control for weak AC grid connected to wind farm and LCC-HVDC system: Modeling and stability analysis 弱交流并网风电场和lc - hvdc系统的频率控制:建模和稳定性分析
2016 IEEE Power and Energy Society General Meeting (PESGM) Pub Date : 2016-07-17 DOI: 10.1109/PESGM.2016.7741741
Jagdeep Kaur, Amirthagunaraj Yogarathinam, N. Chaudhuri
{"title":"Frequency control for weak AC grid connected to wind farm and LCC-HVDC system: Modeling and stability analysis","authors":"Jagdeep Kaur, Amirthagunaraj Yogarathinam, N. Chaudhuri","doi":"10.1109/PESGM.2016.7741741","DOIUrl":"https://doi.org/10.1109/PESGM.2016.7741741","url":null,"abstract":"Interconnection of DFIG-based wind farms with LCC-HVDC is challenging for very weak AC systems. This work focuses on establishing a modeling and control design framework to analyze frequency dynamics in such systems. To that end, an averaged model of the DFIG-based wind farm connected to LCC-HVDC system has been developed where grid frequency control is used to regulate the HVDC rectifier firing angle. This paper analyzes the effect of low Effective Short Circuit Ratio (ESCR) and the Effective DC Inertia Constant Hdc on the stability of the system. A systematic design process of the frequency controller parameters reveals a negative interaction between the generator speed-HVDC PLL-frequency controller mode and the DFIG-GSC controller mode.","PeriodicalId":155315,"journal":{"name":"2016 IEEE Power and Energy Society General Meeting (PESGM)","volume":"54 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":"116813311","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
Price-based demand response of energy storage resources in commercial buildings 基于价格的商业建筑储能资源需求响应
2016 IEEE Power and Energy Society General Meeting (PESGM) Pub Date : 2016-07-17 DOI: 10.1109/PESGM.2016.7741229
Young-Jin Kim, L. Norford
{"title":"Price-based demand response of energy storage resources in commercial buildings","authors":"Young-Jin Kim, L. Norford","doi":"10.1109/PESGM.2016.7741229","DOIUrl":"https://doi.org/10.1109/PESGM.2016.7741229","url":null,"abstract":"This paper presents a closed-loop model in which commercial building aggregators (CBAs) minimize their operating costs in a wholesale electricity market, considering wind power uncertainties that are modeled as contingencies using a set of forecast error scenarios. Specifically, the CBAs determine the optimal energy consumption and reserve deployment of variable speed heat pumps (VSHPs) and plug-in electric vehicles (PEVs) in response to locational marginal prices (LMPs). A two-stage stochastic optimization problem is formulated to model the price-based demand response (DR) of the CBAs. Simulated case studies are performed to estimate variation in the operational costs of the CBAs under various conditions, as determined by the room temperature control methods and the building energy storage resource penetrations.","PeriodicalId":155315,"journal":{"name":"2016 IEEE Power and Energy Society General Meeting (PESGM)","volume":"78 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":"125838325","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
A mathematical model for strategic generation expansion planning 战略发电扩展规划的数学模型
2016 IEEE Power and Energy Society General Meeting (PESGM) Pub Date : 2016-07-17 DOI: 10.1109/PESGM.2016.7741960
Y. Tohidi, M. Hesamzadeh
{"title":"A mathematical model for strategic generation expansion planning","authors":"Y. Tohidi, M. Hesamzadeh","doi":"10.1109/PESGM.2016.7741960","DOIUrl":"https://doi.org/10.1109/PESGM.2016.7741960","url":null,"abstract":"This paper proposes a mathematical model for strategic generation expansion planning problem. The model is developed based on the the simultaneous-move game between Gencos. Gencos investment decisions are passed to the dispatch center which decides about the production level in operating scenarios considered. Using Karush-Kuhn-Tucker conditions (KKTs) and disjunctive linearization, the model is formulated as a mixed-integer linear program (MILP). The concepts of worst Nash equilibrium (WNE) and best Nash equilibrium (BNE) are introduced to handle multiple NE problem. The impact of uncertainty (scenarios) on equilibria band, i.e., the difference between WNE and BNE is discussed. The developed model is simulated on illustrative 2-node and 3-node example systems and also on IEEE-RTS96 test system.","PeriodicalId":155315,"journal":{"name":"2016 IEEE Power and Energy Society General Meeting (PESGM)","volume":"29 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":"126142087","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
Control and coordination of frequency responsive residential water heaters 频率响应式住宅热水器的控制与协调
2016 IEEE Power and Energy Society General Meeting (PESGM) Pub Date : 2016-07-17 DOI: 10.1109/PESGM.2016.7741391
T. Williams, K. Kalsi, M. Elizondo, L. Marinovici, R. Pratt
{"title":"Control and coordination of frequency responsive residential water heaters","authors":"T. Williams, K. Kalsi, M. Elizondo, L. Marinovici, R. Pratt","doi":"10.1109/PESGM.2016.7741391","DOIUrl":"https://doi.org/10.1109/PESGM.2016.7741391","url":null,"abstract":"Demand-side frequency control can complement traditional generator controls to maintain the stability of large electric systems in the face of rising uncertainty and variability associated with renewable energy resources. This paper presents a hierarchical frequency-based load control strategy that uses a supervisor to flexibly adjust control gains that a population of end-use loads respond to in a decentralized manner to help meet the NERC BAL-003-1 frequency response standard at both the area level and interconnection level. The load model is calibrated and used to model populations of frequency-responsive water heaters in a PowerWorld simulation of the U.S. Western Interconnection (WECC). The proposed design is implemented and demonstrated on physical water heaters in a laboratory setting. A significant fraction of the required frequency response in the WECC could be supplied by electric water heaters alone at penetration levels of less than 15%, while contributing to NERC requirements at the interconnection and area levels.","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":"129455930","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
Supervisory system for a wide area damping controller using PDCI modulation and real-time PMU feedback 采用PDCI调制和PMU实时反馈的广域阻尼控制器监控系统
2016 IEEE Power and Energy Society General Meeting (PESGM) Pub Date : 2016-07-17 DOI: 10.1109/PESGM.2016.7741594
B. Pierre, Ryan T. Elliott, D. Schoenwald, J. Neely, R. Byrne, D. Trudnowski, James Colwell
{"title":"Supervisory system for a wide area damping controller using PDCI modulation and real-time PMU feedback","authors":"B. Pierre, Ryan T. Elliott, D. Schoenwald, J. Neely, R. Byrne, D. Trudnowski, James Colwell","doi":"10.1109/PESGM.2016.7741594","DOIUrl":"https://doi.org/10.1109/PESGM.2016.7741594","url":null,"abstract":"This paper describes a control scheme to mitigate inter-area oscillations through active damping. The control system uses real-time phasor measurement unit (PMU) feedback to construct a commanded power signal to modulate the flow of real power over the Pacific DC Intertie (PDCI) located in the western North American Power System (wNAPS). A hardware prototype was constructed to implement the control scheme. To ensure safe and reliable performance, the project integrates a supervisory system to ensure the controller is operating as expected at all times. A suite of supervisory functions are implemented across three hardware platforms. If any controller mal-function is detected, the supervisory system promptly disables the controller through a bumpless transfer method. This paper presents a detailed description of the control scheme, simulation results, the bumpless transfer method, and a redundancy and diversity method in the selection of PMU signals for feedback. This paper also describes in detail the supervisory system implemented to ensure safe and reliable damping performance of the real-time wide area damping controller.","PeriodicalId":155315,"journal":{"name":"2016 IEEE Power and Energy Society General Meeting (PESGM)","volume":"43 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":"129698591","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: 27
A frequency based short-term reliability index considering feedback control constraints and renewable energy source incorporation 考虑反馈控制约束和可再生能源纳入的基于频率的短期可靠性指标
2016 IEEE Power and Energy Society General Meeting (PESGM) Pub Date : 2016-07-17 DOI: 10.1109/PESGM.2016.7742015
K. A. Agyeman, Sekyung Han, Ryo Umezawa
{"title":"A frequency based short-term reliability index considering feedback control constraints and renewable energy source incorporation","authors":"K. A. Agyeman, Sekyung Han, Ryo Umezawa","doi":"10.1109/PESGM.2016.7742015","DOIUrl":"https://doi.org/10.1109/PESGM.2016.7742015","url":null,"abstract":"In this work, we provide a new short-term reliability index that accounts for practical grid properties. The proposed index addresses the system frequency reliability and controllability of the grid and its deviation over a short time period. In the formulation, demand, renewable source, battery and generators are incorporated in stochastic manner. Using the equilibrium of demand and supply, and the physical constraints of automatic generation control (AGC), a model is developed, from which the system frequency distribution is obtained. From the contrived system frequency statistical function, referred to as Frequency Reliability Distribution Function (FRDF), various criteria can be developed for short-term reliability. The developed FRDF along with the pertaining metrics are utilized for some case studies with IEEE reliability test system.","PeriodicalId":155315,"journal":{"name":"2016 IEEE Power and Energy Society General Meeting (PESGM)","volume":"45 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":"128180439","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
A fault detection method for DC lines in VSC-HVDC system based on current correlation 基于电流相关性的直流直流线路故障检测方法
2016 IEEE Power and Energy Society General Meeting (PESGM) Pub Date : 2016-07-17 DOI: 10.1109/PESGM.2016.7741687
Jian Liu, N. Tai, C. Fan, Shi Chen, Pan Wu
{"title":"A fault detection method for DC lines in VSC-HVDC system based on current correlation","authors":"Jian Liu, N. Tai, C. Fan, Shi Chen, Pan Wu","doi":"10.1109/PESGM.2016.7741687","DOIUrl":"https://doi.org/10.1109/PESGM.2016.7741687","url":null,"abstract":"High-voltage direct current system based on voltage source converters (VSC-HVDC) is widely recognized as a feasible solution to cope with increasing electricity demand and integrate renewable energy sources. One of the most important issues still to be addressed is the protection of the system under DC line fault, especially for the situations using overhead lines due to higher fault frequency. This paper proposes a new fault detection method for DC line in VSC-HVDC system using the correlation of currents at DC-link capacitor branch and DC line end. In this approach, Pearson correlation coefficient is used to measure the correlation. Fault detection can be achieved easily by calculating the Pearson correlation coefficients at both ends of DC line. Simulation results using PSCAD/EMTDC demonstrate that the proposed method is able to detect the DC line fault with high selectivity and high robustness to fault resistance and noise, and it is suitable for multi-terminal VSC-HVDC system.","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":"128240237","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
Hybrid MAS Fault Location, Isolation, and Restoration for smart distribution system with Microgrids 微电网智能配电系统的混合MAS故障定位、隔离与恢复
2016 IEEE Power and Energy Society General Meeting (PESGM) Pub Date : 2016-07-17 DOI: 10.1109/PESGM.2016.7741213
S. Chouhan, F. Mohammadi, A. Feliachi, J. Solanki, M. Choudhry
{"title":"Hybrid MAS Fault Location, Isolation, and Restoration for smart distribution system with Microgrids","authors":"S. Chouhan, F. Mohammadi, A. Feliachi, J. Solanki, M. Choudhry","doi":"10.1109/PESGM.2016.7741213","DOIUrl":"https://doi.org/10.1109/PESGM.2016.7741213","url":null,"abstract":"A hybrid Multi Agent System (MAS) Fault Location, Isolation, and Restoration (FLIR) solution has been proposed in this paper that uses both centralized and decentralized concepts to accomplish FLIR on distribution feeders with Microgrids. The main objective of the MAS is to locate and isolate the fault and then automatically reenergize un-faulted portions of feeders while maintaining system constraints like voltage limits and loading levels. The proposed MAS architecture exploits key features of agent technology where the fault detection is accomplished autonomously by agents and fault restoration is achieved by coordinated agent communications. The proposed MAS concept is designed to be implemented on few circuits in the territory of local utility, Mon Power, under the efforts of a Department of Energy (DOE) demonstration project named West Virginia Super Circuit (WVSC). The real distribution network is simulated in CYMDIST and Matlab/Simpower whereas the MAS is modeled using Matlab S-functions.","PeriodicalId":155315,"journal":{"name":"2016 IEEE Power and Energy Society General Meeting (PESGM)","volume":"40 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":"127217849","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
Modeling of wind parks in multiphase load flow solver with augmented Jacobian matrix formulation 基于增广雅可比矩阵的多相潮流求解器风电场建模
2016 IEEE Power and Energy Society General Meeting (PESGM) Pub Date : 2016-07-17 DOI: 10.1109/PESGM.2016.7742021
B. Cetindag, T. Kauffmann, I. Kocar
{"title":"Modeling of wind parks in multiphase load flow solver with augmented Jacobian matrix formulation","authors":"B. Cetindag, T. Kauffmann, I. Kocar","doi":"10.1109/PESGM.2016.7742021","DOIUrl":"https://doi.org/10.1109/PESGM.2016.7742021","url":null,"abstract":"In this paper, a systematic modeling approach is established to represent Type-IV wind turbine generators (WTGs) in multiphase and unbalanced load flow analysis. The proposed modeling technique is developed using modified augmented nodal analysis (MANA) formulation. The constraints on the sequence components of the injected currents from WTGs are integrated to the multiphase load flow equations which are formulated using Newton's method. The proposed model for WTGs performs well under unbalanced conditions. The comparisons are performed using realistic and detailed Electromagnetic Transients-type (EMT-type) WTG models.","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":"127283788","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
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