2019 IEEE Milan PowerTech最新文献

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Congestion Management in distribution grid networks through active power control of flexible distributed energy resources 基于柔性分布式能源有功控制的配电网拥塞管理
2019 IEEE Milan PowerTech Pub Date : 2019-06-23 DOI: 10.1109/PTC.2019.8810585
R. Ciavarella, M. di Somma, G. Graditi, M. Valenti
{"title":"Congestion Management in distribution grid networks through active power control of flexible distributed energy resources","authors":"R. Ciavarella, M. di Somma, G. Graditi, M. Valenti","doi":"10.1109/PTC.2019.8810585","DOIUrl":"https://doi.org/10.1109/PTC.2019.8810585","url":null,"abstract":"With the increasing penetration levels of distributed energy resources (DER), grid congestion events may occur by causing severe damages and potential black outs in power systems. Developing innovative operation planning strategies and control tools for the grid congestion management is thus a primary goal for ensuring network reliability and security. In this paper, we propose a Grid Congestion Management Controller (GCMC) to solve grid congestion issues by controlling the active power of flexible DER (e.g. storage, flexible loads, electric vehicles, distributed generators) present in the grid, thus increasing availability of active resources to maintain the network stability. The GCMC is developed here as a self-contained control acting on distribution level, and will be further developed to be integrated in the INTEgrated opeRation PLANning tool, which will be the main outcome of the INTERPLAN H2020 project. INTERPLAN (Nov.2016Nov.2020) aims to provide an integrated tool to support transmission system operators and distribution system operators in the operation planning of the pan-European network. The GCMC effectiveness is tested in the presence of specific congestion events by using the Cigrè benchmark grid model under different scenarios. Simulation results show that the proposed control logic is efficient in mitigating grid congestion through optimally re-dispatching active power variation to the flexible DER connected to each busbar in the network.","PeriodicalId":187144,"journal":{"name":"2019 IEEE Milan PowerTech","volume":"86 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":"126959894","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
Consumer Hedging Against Price Volatility Under Uncertainty 不确定性下消费者对价格波动的对冲
2019 IEEE Milan PowerTech Pub Date : 2019-06-23 DOI: 10.1109/PTC.2019.8810922
S. Chakraborty, M. Cvetković, R. Verzijlbergh, Z. Lukszo, K. Baker
{"title":"Consumer Hedging Against Price Volatility Under Uncertainty","authors":"S. Chakraborty, M. Cvetković, R. Verzijlbergh, Z. Lukszo, K. Baker","doi":"10.1109/PTC.2019.8810922","DOIUrl":"https://doi.org/10.1109/PTC.2019.8810922","url":null,"abstract":"The large-scale integration of renewables to the electrical grid is resulting in the increase of price volatility in electricity markets. This increase is undesirable from both electricity producer and consumer perspectives. In this paper, we present a framework that allows consumers to hedge against the price volatility. Using optimization duality theory, we quantify the amount of demand-side flexibility that an Energy Storage System (ESS) is required to provide for constraining marginal prices to a consumer’s maximum willingness to pay for electricity. The ESS is operated using Model Predictive Control (MPC) and depends on renewable generation forecasts. Forecast uncertainties are accounted through probabilistic constraints that are applied on the ESS operation. Probabilistic constraints enable the Energy Storage Operator to set a priori robustness guarantees on the solution which are cheaper than robust approaches. Through simulations it is demonstrated that the formulation is able to successfully hedge against price volatility considering uncertainty.","PeriodicalId":187144,"journal":{"name":"2019 IEEE Milan PowerTech","volume":"10 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":"116014715","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
Real-Time Hardware-in-The-Loop Platform for Hybrid AC/DC Power System Studies 交直流混合电源系统实时硬件在环平台研究
2019 IEEE Milan PowerTech Pub Date : 2019-06-23 DOI: 10.1109/PTC.2019.8810905
T. Joseph, Khadijat Jose, C. E. Ugalde-Loo, Gen Li, Jun Liang
{"title":"Real-Time Hardware-in-The-Loop Platform for Hybrid AC/DC Power System Studies","authors":"T. Joseph, Khadijat Jose, C. E. Ugalde-Loo, Gen Li, Jun Liang","doi":"10.1109/PTC.2019.8810905","DOIUrl":"https://doi.org/10.1109/PTC.2019.8810905","url":null,"abstract":"Conventional power system studies are normally performed using offline analytical tools and computer-based simulations. Hardware-in-the-loop (HiL) configurations are very helpful to carry out experimental tests in a safe environment without affecting the operation of a practical power system. Following this line, a real-time HiL (RT-HiL) platform suitable for a wide range of power system studies is presented in this paper. Emphasis is placed on the individual components of the platform. To demonstrate the capabilities of the RT-HiL configuration, two case studies are presented: subsynchronous resonance damping and fast frequency support provision. The ac grids are modeled in the RT simulator, while dc networks are implemented in a physical test-bed. The ability of the RT-HiL platform to emulate ac/dc interactions and grid support services is shown. For completeness, experimental results are compared against PSCAD simulation results—showing a good agreement. It should be emphasized that the presented experimental platform goes beyond conventional HiL set-ups—instead representing a hybrid hardware-based emulator with RT-HiL simulation.","PeriodicalId":187144,"journal":{"name":"2019 IEEE Milan PowerTech","volume":"30 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":"115590113","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
Quantifying the Flexibility by Energy Storage Systems in Distribution Networks with Large-Scale Variable Renewable Energy Sources 大规模可变可再生能源配电网中储能系统的柔性量化
2019 IEEE Milan PowerTech Pub Date : 2019-06-23 DOI: 10.1109/PTC.2019.8810952
M. R. M. Cruz, D. Fitiwi, S. Santos, J. Catalão
{"title":"Quantifying the Flexibility by Energy Storage Systems in Distribution Networks with Large-Scale Variable Renewable Energy Sources","authors":"M. R. M. Cruz, D. Fitiwi, S. Santos, J. Catalão","doi":"10.1109/PTC.2019.8810952","DOIUrl":"https://doi.org/10.1109/PTC.2019.8810952","url":null,"abstract":"To counter the intermittent nature of variable Renewable Energy Sources (vRESs), it is necessary to deploy new technologies that increase the flexibility dimension in distribution systems. In this framework, the current work presents an extensive analysis on the level of energy storage systems (ESSs) in order to add flexibility, and handle the intermittent nature of vRS. Moreover, this work provides an operational model to optimally manage a distribution system that encompasses large quantities of vRESs by means of ESSs. The model is of a stochastic mixed integer linear programming (MILP) nature, which uses a linearized AC optimal power flow network model. The standard IEEE 119-bus test system is used as a case study. Generally, numerical results show that ESSs enable a much bigger portion of the final energy consumption to be met by vRES power, generated locally.","PeriodicalId":187144,"journal":{"name":"2019 IEEE Milan PowerTech","volume":"32 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":"114542147","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
User-Comfort Oriented Bidding Strategy for Electric Vehicle Parking Lots 面向用户舒适度的电动汽车停车场竞价策略
2019 IEEE Milan PowerTech Pub Date : 2019-06-23 DOI: 10.1109/PTC.2019.8810755
İbrahim Şengör, Alper Çiçek, Ayşe Kübra Erenoğlu, O. Erdinç, A. Taşcıkaraoǧlu, C. João P. S.
{"title":"User-Comfort Oriented Bidding Strategy for Electric Vehicle Parking Lots","authors":"İbrahim Şengör, Alper Çiçek, Ayşe Kübra Erenoğlu, O. Erdinç, A. Taşcıkaraoǧlu, C. João P. S.","doi":"10.1109/PTC.2019.8810755","DOIUrl":"https://doi.org/10.1109/PTC.2019.8810755","url":null,"abstract":"The number of electric vehicles (EVs) has been gradually increasing over the last decades. In order to eliminate the concerns related to charging demand in power systems, the appropriate integration of EVs to the grid is of great importance. Electric vehicle parking lots (EVPLs) offer a crucial occasion to manage the charging process of EVs. Further, EVs are capable of either charging from the grid or supplying power to the grid due to the vehicle-to-grid (V2G) features. Through an agent, namely an aggregator, EVPLs can participate in the electricity market and a considerable amount of profit can be obtained in terms of EVPLs, EV owners, and aggregators by energy selling. However, EV owners may not be willing to participate in this structure due to the concerns related to their comforts. In this context, a model in which EVPLs can bid for energy selling to the grid through an aggregator is proposed in this study. Additionally, the comfort violation of EV owners is taken into account. In order to validate the effectiveness of the devised model, various case studies are also performed.","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":"114870881","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
Unlocking the Flexibility of CHP in District Heating Systems to Provide Frequency Response 释放热电联产在区域供热系统中提供频率响应的灵活性
2019 IEEE Milan PowerTech Pub Date : 2019-06-23 DOI: 10.1109/PTC.2019.8810576
Xiandong Xu, Yue Zhou, Meysam Qadrdan, Jianzhong Wu
{"title":"Unlocking the Flexibility of CHP in District Heating Systems to Provide Frequency Response","authors":"Xiandong Xu, Yue Zhou, Meysam Qadrdan, Jianzhong Wu","doi":"10.1109/PTC.2019.8810576","DOIUrl":"https://doi.org/10.1109/PTC.2019.8810576","url":null,"abstract":"Combined heat and power (CHP) units can be operated flexibly to mitigate the impact of renewable resources. However, when used in district heating systems, the constraint governing heat and electricity outputs limits the capability of CHP in supporting the power grid. To addresses this issue, this paper presents a two-layer control system to coordinate CHP, district heating network and buildings. With this control system, CHP can meet the heat demand of local users and provide frequency response for the power grid simultaneously. The excess/deficit heat of CHP supply is balanced by heat stored in buildings and pipelines. The proposed method is tested in the GB Firm Frequency Response market. Numerical results show that the capability of CHP in providing frequency response is determined by the following factors: capacity and ramping rate of CHP, the restriction in the supply temperature of district heating network and the temperature of buildings.","PeriodicalId":187144,"journal":{"name":"2019 IEEE Milan PowerTech","volume":"2 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":"122187630","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
A Mixed-Integer Distributionally Robust Chance-Constrained Model for Optimal Topology Control in Power Grids with Uncertain Renewables 不确定可再生能源电网最优拓扑控制的混合整数分布鲁棒机会约束模型
2019 IEEE Milan PowerTech Pub Date : 2019-06-23 DOI: 10.1109/PTC.2019.8810440
Mostafa Nazemi, P. Dehghanian, M. Lejeune
{"title":"A Mixed-Integer Distributionally Robust Chance-Constrained Model for Optimal Topology Control in Power Grids with Uncertain Renewables","authors":"Mostafa Nazemi, P. Dehghanian, M. Lejeune","doi":"10.1109/PTC.2019.8810440","DOIUrl":"https://doi.org/10.1109/PTC.2019.8810440","url":null,"abstract":"This paper proposes a distributionally robust chance-constrained (DRCC) optimization model for optimal topology control in power grids overwhelmed with significant renewable uncertainties. A novel moment-based ambiguity set is characterized to capture the renewable uncertainties with no knowledge on the probability distributions of the random parameters. A distributionally robust optimization (DRO) formulation is proposed to guarantee the robustness of the network topology control plans against all uncertainty distributions defined within the moment-based ambiguity set. The proposed model minimizes the system operation cost by co-optimizing dispatch of the lower-cost generating units and network topology—i.e., dynamically harnessing the way how electricity flows through the system. In order to solve the problem, the DRCC problem are reformulated into a tractable mixed-integer second order cone programming problem (MISOCP) which can be efficiently solved by off-the-shelf solvers. Numerical results on the IEEE 118-bus test system verify the effectiveness of the proposed network reconfiguration methodology under uncertainties.","PeriodicalId":187144,"journal":{"name":"2019 IEEE Milan PowerTech","volume":"171 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":"133039248","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
Applying Steinmetz Circuit Design to Mitigate Voltage Unbalance Using Distributed Solar PV 应用Steinmetz电路设计缓解分布式太阳能光伏的电压不平衡
2019 IEEE Milan PowerTech Pub Date : 2019-06-23 DOI: 10.1109/PTC.2019.8810692
Mengqi Yao, I. Hiskens, J. Mathieu
{"title":"Applying Steinmetz Circuit Design to Mitigate Voltage Unbalance Using Distributed Solar PV","authors":"Mengqi Yao, I. Hiskens, J. Mathieu","doi":"10.1109/PTC.2019.8810692","DOIUrl":"https://doi.org/10.1109/PTC.2019.8810692","url":null,"abstract":"Distributed solar photovoltaic (PV) systems can contribute to voltage unbalance in electric power distribution networks. However, PV inverter control can also be used to help mitigate voltage unbalance. Steinmetz proposed a circuit design method to achieve voltage balance by controlling the reactances of three-phase delta-connected constant-impedance loads. The approach is simple, open-loop, and decentralized. In this paper, we explore the application of Steinmetz circuit design to the control of distributed PV systems, specifically their reactive power injections, to mitigate voltage unbalance. Simulation results show that Steinmetz circuit design can completely eliminate voltage unbalance at a particular bus if a three-phase delta-connected PV system is present at that bus. When single-phase PV systems (connected line-to-line) are distributed along a feeder and connected to different phases, Steinmetz circuit design can significantly reduce voltage unbalance but may not achieve perfect balance.","PeriodicalId":187144,"journal":{"name":"2019 IEEE Milan PowerTech","volume":"97 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":"127290455","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
Evaluating Strategies for Decarbonising the Transport Sector in Great Britain 评估英国运输部门脱碳战略
2019 IEEE Milan PowerTech Pub Date : 2019-06-23 DOI: 10.1109/PTC.2019.8810865
Peng Fu, D. Pudjianto, Xi Zhang, G. Strbac
{"title":"Evaluating Strategies for Decarbonising the Transport Sector in Great Britain","authors":"Peng Fu, D. Pudjianto, Xi Zhang, G. Strbac","doi":"10.1109/PTC.2019.8810865","DOIUrl":"https://doi.org/10.1109/PTC.2019.8810865","url":null,"abstract":"Besides electricity and heat systems, transport sector contributes significantly to carbon emissions. Two strategies for decarbonizing transport sectors, i.e. electrification and a shift from fossil-fuel to hydrogen are evaluated in this paper. A multi-energy whole-system planning model formulated as a large-scale linear programming problem is proposed to analyse the cost performance of different strategies. The model consists of the simplified representation of an electricity system (generation, transmission, distribution, storage, and demand), energy transport demand, and hydrogen system (production, transmission, and storage). The first strategy assumes that all transportation fleets will be electrified. The importance of flexibility that can be potentially provided by electric vehicles to improve the integration of low-carbon generation technologies and electric vehicles is also assessed. The second strategy assumes all vehicles will be fuelled by hydrogen. The synergy between electricity and hydrogen system is analysed. A range of case studies on future GB development scenarios has been carried out to demonstrate the suitability of the model to assess the economic performance and energy system implications of different transport decarbonisation strategies.","PeriodicalId":187144,"journal":{"name":"2019 IEEE Milan PowerTech","volume":"4 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":"127887571","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
Interval-Based Adaptive Inertia and Damping Control of a Virtual Synchronous Machine 基于区间的虚拟同步机自适应惯性与阻尼控制
2019 IEEE Milan PowerTech Pub Date : 2019-06-23 DOI: 10.1109/PTC.2019.8810640
U. Markovic, Nicolas Früh, P. Aristidou, G. Hug
{"title":"Interval-Based Adaptive Inertia and Damping Control of a Virtual Synchronous Machine","authors":"U. Markovic, Nicolas Früh, P. Aristidou, G. Hug","doi":"10.1109/PTC.2019.8810640","DOIUrl":"https://doi.org/10.1109/PTC.2019.8810640","url":null,"abstract":"This paper presents a novel virtual synchronous machine controller for converters in power systems with a high share of renewable resources. Using an interval-based approach, the emulated inertia and damping constants are adaptively adjusted according to the frequency disturbance in the system, while simultaneously keeping the frequency within prescribed limits. Furthermore, the sufficient stability conditions for control tuning are derived. The proposed design is integrated into a state-of-the-art converter control scheme and tested through time-domain simulations. A comparative study against the existing approaches in the literature verifies the control effectiveness.","PeriodicalId":187144,"journal":{"name":"2019 IEEE Milan PowerTech","volume":"19 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":"127676955","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
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