2019 IEEE Milan PowerTech最新文献

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Stochastic optimization framework for online scheduling of an EV charging station in a residential place with photovoltaics and energy storage system 光伏储能住宅电动汽车充电站在线调度的随机优化框架
2019 IEEE Milan PowerTech Pub Date : 2019-06-23 DOI: 10.1109/PTC.2019.8810912
Gustavo Aragón, Otilia Werner-Kytölä, E. Gümrükcü
{"title":"Stochastic optimization framework for online scheduling of an EV charging station in a residential place with photovoltaics and energy storage system","authors":"Gustavo Aragón, Otilia Werner-Kytölä, E. Gümrükcü","doi":"10.1109/PTC.2019.8810912","DOIUrl":"https://doi.org/10.1109/PTC.2019.8810912","url":null,"abstract":"House and building energy management systems (HEMS) are becoming key when it comes to assure grid stability and to offer flexibility. At the same time, energy systems technology has evolved to enable energy storage systems and electric vehicles to be managed together with local generated energy taking into consideration the preferences of the household owner. Contributing to this tendency, this work presents a stochastic optimization platform (SOFW) for optimal control using dynamic programming and stochastic optimization models. A stochastic optimization model involving a household composed of photovoltaics, energy storage system and an electric vehicle is designed and tested within SOFW. The uncertainties of the plug-in time and state of charge of the battery of the electric vehicle are modeled using a Markovian process and a Monte-Carlo simulation. The results showed that the proposed stochastic optimization model can be solved using dynamic programming and deployed as a continuous optimal control within SOFW. The system will be deployed shortly in Italy within one use case of the Storage 4 Grid (S4G) project.","PeriodicalId":187144,"journal":{"name":"2019 IEEE Milan PowerTech","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129291934","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
A Data-driven Approach to Grid Impedance Identification for Impedance-based Stability Analysis under Different Frequency Ranges 一种数据驱动的网格阻抗识别方法,用于不同频率范围下基于阻抗的稳定性分析
2019 IEEE Milan PowerTech Pub Date : 2019-06-23 DOI: 10.1109/PTC.2019.8810402
Chendan Li, M. Molinas, O. Fosso, Nan Qin, Lin Zhu
{"title":"A Data-driven Approach to Grid Impedance Identification for Impedance-based Stability Analysis under Different Frequency Ranges","authors":"Chendan Li, M. Molinas, O. Fosso, Nan Qin, Lin Zhu","doi":"10.1109/PTC.2019.8810402","DOIUrl":"https://doi.org/10.1109/PTC.2019.8810402","url":null,"abstract":"The instability caused by inappropriate damping design of grid-connected converters under specific grid impedance makes the grid impedance estimation a crucial issue. To guide the system controller design toward a stable and adaptive system under various operating conditions, a three-stage data-driven approach for grid impedance identification with three different frequency ranges is proposed by taking advantage of massive data coming from measurement and/or simulation. In the case study, Monte-Carlo simulation is adopted for obtaining the grid impedance data under different operating conditions. K-means clustering is used to partition the processed impedance data, and a high order grid impedance model is generated for each frequency range, in accordance with the practice of resonance mitigation design. The estimation results show that with this approach, the grid model in different frequency ranges can be reduced without losing accuracy while having the potential of being more accurate for impedance-based stability analysis.","PeriodicalId":187144,"journal":{"name":"2019 IEEE Milan PowerTech","volume":"272 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131610285","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
Learning from power system data stream 从电力系统数据流中学习
2019 IEEE Milan PowerTech Pub Date : 2019-06-23 DOI: 10.1109/PTC.2019.8810950
Mauro Escobar, D. Bienstock, M. Chertkov
{"title":"Learning from power system data stream","authors":"Mauro Escobar, D. Bienstock, M. Chertkov","doi":"10.1109/PTC.2019.8810950","DOIUrl":"https://doi.org/10.1109/PTC.2019.8810950","url":null,"abstract":"Assuming access to synchronized stream of Phasor Measurement Unit (PMU) data over a significant portion of a power system interconnect, say controlled by an Independent System Operator (ISO), what can you extract about past, current and future state of the system? We have focused on answering these practical questions pragmatically _ empowered with nothing but standard tools of data analysis, such as PCA, filtering and cross-correlation analysis. Quite surprisingly we have found that even during quiet “no significant events” periods this standard set of statistical tools allows the “phasor-detective” to extract from the data important hidden anomalies, such as problematic control loops at loads and wind farms, and mildly malfunctioning assets, such as transformers and generators.","PeriodicalId":187144,"journal":{"name":"2019 IEEE Milan PowerTech","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115371494","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
An optimization Model for Airport Infrastructures in Support to Electric Aircraft 支持电动飞机的机场基础设施优化模型
2019 IEEE Milan PowerTech Pub Date : 2019-06-23 DOI: 10.1109/PTC.2019.8810713
F. Salucci, L. Trainelli, R. Faranda, M. Longo
{"title":"An optimization Model for Airport Infrastructures in Support to Electric Aircraft","authors":"F. Salucci, L. Trainelli, R. Faranda, M. Longo","doi":"10.1109/PTC.2019.8810713","DOIUrl":"https://doi.org/10.1109/PTC.2019.8810713","url":null,"abstract":"This paper investigates the airport infrastructural needs in support of hybrid-electric fleet operations. Attention is focused on the battery-charging related requirements. The recharging facility sizing problem concerns the identification of the number and type of charging points and their related electrical consumption in terms of energy and power, as well as the number of spare batteries needed to guarantee smooth operations, in case of battery swapping. The aim is to design an infrastructure that can satisfy the charging requests while minimizing the investment and operational costs of the recharging facility through an optimization approach. The developed algorithm includes the selection of the charging strategy that best suits the case under analysis, which is strongly affected by battery capacity and charging power. In addition to the sizing of the charging devices, the method allows finding the best battery charging schedule, and the minimum number of aircraft needed for the planned missions.","PeriodicalId":187144,"journal":{"name":"2019 IEEE Milan PowerTech","volume":"16 12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114095567","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
Economic Impact of the Active Power Droop Gain in Droop-Based Islanded Microgrids 孤岛微电网有功功率下垂增益的经济影响
2019 IEEE Milan PowerTech Pub Date : 2019-06-23 DOI: 10.1109/PTC.2019.8810513
P. Vergara, J. López, Silva Luiz C. P. da, M. J. Rider
{"title":"Economic Impact of the Active Power Droop Gain in Droop-Based Islanded Microgrids","authors":"P. Vergara, J. López, Silva Luiz C. P. da, M. J. Rider","doi":"10.1109/PTC.2019.8810513","DOIUrl":"https://doi.org/10.1109/PTC.2019.8810513","url":null,"abstract":"In this paper, the economic impact of the active power droop gain in droop-based microgrids has been studied. To accomplish this, a theoretical analysis is presented first. This analysis is used to study a simple case in which the solution of the economic dispatch problem is compared with the dispatch obtained after applying the standard definition of the droop gains for the droop-controlled DGs, given by the Standard IEEE 1547.7. Then, the mathematical model for the optimal power flow of droop-based islanded microgrids is used to simulate and study a real unbalanced three-phase system. Results have shown that the standard definition guarantees a proper active power sharing among all the DG units, independent of the load level. However, as shown by the simulations, the standard definition does not necessarily correspond to the solution with minimum active power losses and can have a significant economic impact when compared with the optimal economic dispatch solution.","PeriodicalId":187144,"journal":{"name":"2019 IEEE Milan PowerTech","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123965510","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
Passivity-Based Control for a PV/Battery/Fuel Cell/Electrolyser Hybrid Power System 光伏/电池/燃料电池/电解槽混合动力系统的无源控制
2019 IEEE Milan PowerTech Pub Date : 2019-06-23 DOI: 10.1109/PTC.2019.8810688
S. Kong, M. Hilairet, R. Roche
{"title":"Passivity-Based Control for a PV/Battery/Fuel Cell/Electrolyser Hybrid Power System","authors":"S. Kong, M. Hilairet, R. Roche","doi":"10.1109/PTC.2019.8810688","DOIUrl":"https://doi.org/10.1109/PTC.2019.8810688","url":null,"abstract":"In this work, a passivity-based controller is proposed for a hybrid system including photovoltaic panels, a fuel cell, a battery and an electrolyser. This short-term controller is designed by the Interconnection and Damping Assignment Passivity Based Control (IDA-PBC) method to solve the converters coordination problem. Simulation results prove that this controller achieves an optimal exploitation of the components while preserving the stability of the whole closed-loop system.","PeriodicalId":187144,"journal":{"name":"2019 IEEE Milan PowerTech","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124927412","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
A Smart Voltage Optimization Approach for Industrial Load Demand Response 工业负荷需求响应的智能电压优化方法
2019 IEEE Milan PowerTech Pub Date : 2019-06-23 DOI: 10.1109/PTC.2019.8810705
Adarsh Madhavan, Brian Lee, C. Cañizares, Kankar Bhattacharya
{"title":"A Smart Voltage Optimization Approach for Industrial Load Demand Response","authors":"Adarsh Madhavan, Brian Lee, C. Cañizares, Kankar Bhattacharya","doi":"10.1109/PTC.2019.8810705","DOIUrl":"https://doi.org/10.1109/PTC.2019.8810705","url":null,"abstract":"This paper proposes a generic and comprehensive Voltage Optimization (VO) strategy for energy savings by industrial customers, to lower operating expenses through the implementation of an optimal process-based Demand Response (DR) program without affecting the real-time manufacturing process. This strategy takes into account the complex nature of industrial loads and their unique set of operating constraints, to reduce energy demand for industrial customers by means of varying the voltage at the utility service entrance to the plant. The proposed approach utilizes a Neural Network (NN) model of the industrial load, trained using historical operating data, to estimate the real power consumption of the load, based on the bus voltage and overall plant process. The NN load model is incorporated into the proposed VO model, whose objective is the minimization of the energy drawn from the substation and the number of switching operations of Load Tap Changers (LTC). The proposed VO framework is tested on a real plant model developed using actual measured data. The results demonstrate that the proposed technique can be successfully implemented by industrial customers and plant operators to enhance energy savings compared to Conservation Voltage Reduction (CVR) approaches, and also as a DR strategy that effectively manages the dependence of industrial loads on time-sensitive and critical manufacturing processes.","PeriodicalId":187144,"journal":{"name":"2019 IEEE Milan PowerTech","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125113733","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
Fault Detection and Localization in LV Smart Grids 低压智能电网故障检测与定位
2019 IEEE Milan PowerTech Pub Date : 2019-06-23 DOI: 10.1109/PTC.2019.8810799
N. Sapountzoglou, B. Raison, N. Silva
{"title":"Fault Detection and Localization in LV Smart Grids","authors":"N. Sapountzoglou, B. Raison, N. Silva","doi":"10.1109/PTC.2019.8810799","DOIUrl":"https://doi.org/10.1109/PTC.2019.8810799","url":null,"abstract":"In this paper, fault detection and localization methods for a Low Voltage (LV) smart distribution grid are presented. Two fault detection approaches were examined based on current measurements at the beginning of the feeder and on the highest voltage drop across the feeder branches. The localization method was based solely on nodal rms voltage measurements. Five influencing factors were considered: location of the fault, time of the day, fault resistance value (ranging from $0.1 Omega $ to $1 kOmega $.), type of the fault (single-phase to ground short-circuit (SC) and three-phase SC faults) and the available measurements. The method performed best for three-phase faults with fault resistance lower that $50 Omega $ presenting an accuracy of 96.03% in fault distance estimation. The effects of the above factors in the accuracy are also analyzed. The results have been validated by simulation means on a real semi-rural LV distribution grid of Portugal.","PeriodicalId":187144,"journal":{"name":"2019 IEEE Milan PowerTech","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127579229","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
Coordination between an Aggregator and Distribution Operator to Achieve Network-Aware Load Control 聚合器和分配算子之间的协调以实现网络感知负载控制
2019 IEEE Milan PowerTech Pub Date : 2019-06-23 DOI: 10.1109/PTC.2019.8810635
Stephanie Ross, N. Ozay, J. Mathieu
{"title":"Coordination between an Aggregator and Distribution Operator to Achieve Network-Aware Load Control","authors":"Stephanie Ross, N. Ozay, J. Mathieu","doi":"10.1109/PTC.2019.8810635","DOIUrl":"https://doi.org/10.1109/PTC.2019.8810635","url":null,"abstract":"Operational issues could arise on a distribution network if a third-party aggregator controls a large number of the network’s loads without visibility of network states or topology. This paper investigates mechanisms by which an aggregator could coordinate with a distribution network operator such that aggregate load actions do not negatively impact the network. We propose two possible frameworks for coordination and develop a specific coordination scheme in which the operator can partially block the aggregator’s control inputs to loads. We design a control strategy for the aggregator assuming it has little to no information about how the operator is blocking its control. The proposed controller estimates the number of loads that are not receiving the aggregator’s commands and compensates accordingly. In a simulation study, the proposed controller consistently outperforms a benchmark controller in terms of average tracking error.","PeriodicalId":187144,"journal":{"name":"2019 IEEE Milan PowerTech","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126464777","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
Integrated Energy-Water Model for Interdependent Storage, Run-of-River and Pump Hydropower 蓄、流、泵相互依存的能量-水综合模型
2019 IEEE Milan PowerTech Pub Date : 2019-06-23 DOI: 10.1109/PTC.2019.8810468
E. A. Martínez Ceseña, M. Panteli, J. Mutale, P. Mancarella, J. Tomlinson, J. Harou
{"title":"Integrated Energy-Water Model for Interdependent Storage, Run-of-River and Pump Hydropower","authors":"E. A. Martínez Ceseña, M. Panteli, J. Mutale, P. Mancarella, J. Tomlinson, J. Harou","doi":"10.1109/PTC.2019.8810468","DOIUrl":"https://doi.org/10.1109/PTC.2019.8810468","url":null,"abstract":"The dispatch of different types of hydropower plants such as storage, Run of River (RoR) and pumped affects downstream water flows and power generation. These short-term operational impacts (e.g., hourly water release) must be properly modelled and quantified to capture the flexibility of interdependent hydropower plants to provide system support (e.g., reduce energy costs). This paper presents a Linear Programming (LP) model to simulate the operation of interdependent hydropower plants where dedicated hydrologic routing constraints are used to track the flow of water, and quantify relevant impacts on generation. The contribution of this work is the explicit quantification in cost and energy terms of the value of capturing short–term interdependencies between hydropower plants associated with the use and release of water by upstream plants. The results demonstrate that, by explicitly considering interdependencies, it is possible to better coordinate their operation and optimize hydropower generation.","PeriodicalId":187144,"journal":{"name":"2019 IEEE Milan PowerTech","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114136581","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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