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2022 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT-Europe)最新文献

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A Hardware-In-The-Loop Configuration for Real-Time Power System Monitoring 用于电力系统实时监测的硬件在环配置
Pub Date : 2022-10-10 DOI: 10.1109/ISGT-Europe54678.2022.9960294
Orestis Darmis, G. Korres, Dimitrios Lagos, N. Hatziargyriou
Wide area monitoring systems (WAMS) provide synchronized phasor measurement technology to significantly aid operators in online monitoring and controlling the power system. Under this premise, this paper presents the hardware and software configuration used for real-time monitoring of the IEEE 14-bus benchmark system simulated using the Real-Time Digital Simulator (RTDSTM). The proposed scheme involves remote terminal units (RTUs) implemented in RSCAD software, along with hardware phasor measurement units (PMUs), and a software phasor data concentrator (PDC). In the lab-scale platform, an online hybrid state estimation (HSE) algorithm is developed and demonstrated for the real-time monitoring of the IEEE 14-bus benchmark system.
广域监测系统(WAMS)提供了同步相量测量技术,极大地帮助操作员在线监测和控制电力系统。在此前提下,本文给出了利用实时数字模拟器(real-time Digital Simulator, RTDSTM)对IEEE 14总线基准测试系统进行实时监控的硬件和软件配置。该方案包括在RSCAD软件中实现的远程终端单元(rtu),以及硬件相量测量单元(pmu)和软件相量数据集中器(PDC)。在实验室规模的平台上,开发并演示了一种用于IEEE 14总线基准系统实时监控的在线混合状态估计(HSE)算法。
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引用次数: 0
Flexible Connection Concept and Planning Studies for its Piloting in a Transmission System 输电系统柔性连接的概念及规划研究
Pub Date : 2022-10-10 DOI: 10.1109/ISGT-Europe54678.2022.9960358
A. Kuusela, Lauri Ala-Mutka, Antti-Juhani Nikkila, Suvi Peltoketo, T. Rauhala
This paper presents a flexible connection concept and planning studies required for its piloting in a transmission system. The proposed concept utilizes a short-term rating of power system components and operational flexibility of market-based resources. In case of congestion, the short-term rating of power system components provides inherent technical flexibility. This allows a time frame to utilize active power control of flexible resources to maintain system security. The active power control of flexible resources is activated on-demand through a redispatching order at the balancing market. The proposed method enables rapid and cost-efficient grid integration of renewable energy resources without physical grid reinforcements while providing an increase in liquidity into the balancing market. This paper presents more in detail the planning perspective to prove the technical feasibility of the concept and to enable a pilot project rollout in the Finnish transmission system.
本文提出了柔性连接的概念,并对柔性连接在输电系统中的应用进行了规划研究。提出的概念利用了电力系统组件的短期评级和市场资源的运行灵活性。在拥塞情况下,电力系统组件的短期额定值提供了固有的技术灵活性。这允许在一个时间框架内利用灵活资源的有功功率控制来维护系统安全。柔性资源的有功控制是通过平衡市场上的重调度指令按需激活的。所提出的方法能够在没有物理电网加固的情况下实现可再生能源的快速和经济高效的电网整合,同时增加了平衡市场的流动性。本文更详细地介绍了规划角度,以证明该概念的技术可行性,并使试点项目能够在芬兰输电系统中推出。
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引用次数: 3
Optimization of energy communities in the Italian incentive system 意大利能源社区激励制度的优化
Pub Date : 2022-10-10 DOI: 10.1109/ISGT-Europe54678.2022.9960513
Marta Stentati, S. Paoletti, A. Vicino
In this paper we address the optimal operation of an energy community, which receives an incentive for the self-consumption realized at the community level in each time period. This incentive scheme mimics the one adopted for renewable energy communities in Italy since 2020. The operational problem is formulated as the maximization of the social welfare of the community over a given time horizon. The social welfare includes the incentive. Each entity of the community can encompass loads, generators, and battery energy storage systems. The optimization problem computes the battery charging/discharging policies, and the set points of flexible loads and controllable generators. The resulting problem formulation is non-convex, due to the presence of complementarity constraints. This issue is tackled by deriving an equivalent mixed integer linear programming formulation. A toy example and an application with real consumption, generation, and price data, are reported to illustrate the proposed approach.
本文研究了一个能源社区的最优运行,该社区在每个时间段内都受到社区层面自我消费的激励。这一激励计划模仿了意大利自2020年以来对可再生能源社区采用的激励计划。操作问题被表述为在给定的时间范围内使社区的社会福利最大化。社会福利包括激励。社区的每个实体都可以包含负载、发电机和电池储能系统。优化问题计算了电池充放电策略、柔性负载设定点和可控发电机设定点。由于存在互补约束,得到的问题公式是非凸的。通过推导一个等价的混合整数线性规划公式来解决这个问题。通过一个简单的示例和一个具有实际消费、发电量和价格数据的应用程序来说明所提出的方法。
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引用次数: 3
Assistance System to Consider Dynamic Phenomena for Secure System Operation 辅助系统考虑动态现象以保证系统安全运行
Pub Date : 2022-10-10 DOI: 10.1109/ISGT-Europe54678.2022.9960631
T. Sennewald, Xinya Song, D. Westermann
This contribution provides the implementation of a digital twin-based assistance system to be used in future control rooms. By applying parameter estimation methods, the dynamic model in the digital twin is an accurate representation of the physical system. Therefore, a dynamic security assessment (DSA) that is highly dependent on a correctly parameterized dynamic model, can give more reliable information to a system operator in the control room. The assistance system is studied on the Cigré TB 536 benchmark system with an obscured set of machine parameters. Through the proposed parameter estimation approach the original parameters could be estimated, changing, and increasing the statement of the DSA in regard to imminent instabilities.
这一贡献提供了一个基于数字孪生的辅助系统的实施,将用于未来的控制室。通过应用参数估计方法,数字孪生中的动态模型是物理系统的准确表示。因此,高度依赖于正确参数化的动态模型的动态安全评估(DSA)可以为控制室的系统操作员提供更可靠的信息。在模糊机器参数集的cigr TB 536基准系统上对辅助系统进行了研究。通过提出的参数估计方法,可以估计原始参数,改变和增加DSA对即将发生的不稳定性的陈述。
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引用次数: 0
Integration of an EMT HVDC model into a Transient Stability Study using Co-Simulation 基于联合仿真的EMT HVDC模型与暂态稳定研究的集成
Pub Date : 2022-10-10 DOI: 10.1109/ISGT-Europe54678.2022.9960518
C. Scheibe, Michael Richter, A. Raab, Benedikt Stopfer, G. Mehlmann
This paper provides insights into the development and application of coupling power system models within different simulation domains (phasor and instantaneous values) in a multi-instance manner using Co-Simulation. Overcoming the challenge of integrating a PSCAD modeled modular multilevel converter into the transient stability test model known as Nordic Test System, the Co-Simulation interface development and implementation process is laid out. Hybrid simulations are performed to verify the model and to investigate grid stabilizing effects of the converter in the RMS power system model. Results prove to the Co-Simulation to be a viable option, practically eliminating the need to re-model an existing EMT subsystem for this kind of studies.
本文提供了在不同的仿真域(相量和瞬时值)中以多实例方式使用联合仿真的耦合电力系统模型的开发和应用的见解。为了克服将PSCAD建模的模块化多电平变换器集成到称为北欧测试系统的暂态稳定性测试模型中的挑战,提出了联合仿真接口的开发和实现过程。通过混合仿真验证了模型的正确性,并研究了变流器在RMS电力系统模型中的稳定电网效果。结果证明联合仿真是一种可行的选择,实际上消除了对现有EMT子系统进行重新建模的需要。
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引用次数: 1
Home Energy Management System based on Deep Reinforcement Learning Algorithms 基于深度强化学习算法的家庭能源管理系统
Pub Date : 2022-10-10 DOI: 10.1109/ISGT-Europe54678.2022.9960575
A. Kahraman, Guangya Yang
With the recent progress in smart grid applications, home energy management system has increased its importance since it allows prosumers to be active participants of the system operation. Operating the smart grid in an efficient way without having a contingency issue has become paramount. The uncertainty of the system inputs, such as renewable energy and load consumption, with the effect of dynamic user behavior, brings the necessity of a more complex control system. In this paper, we introduce three different Deep Reinforcement Learning (DRL) algorithms to minimize the operational cost in the long run and keep the battery state of charge (SoC) between the operable limits. The idea behind applying three different DRLs is to present the powerful and weak sides of the DQN, DDPG, and TD3 algorithms in terms of solving a management problem, even with the continuous state and action space for longer horizons. Experimental results show that the proposed RL algorithms can be employed to solve this and similar management problems. These show that DRL algorithms promise to solve even more complex problems with their uncertainties, but it is difficult to guarantee that they will reach an optimal solution.
随着近年来智能电网应用的发展,家庭能源管理系统的重要性日益增加,因为它允许产消者成为系统运行的积极参与者。在没有突发事件的情况下高效运行智能电网已经变得至关重要。系统输入的不确定性,如可再生能源和负荷消耗,以及动态用户行为的影响,带来了更复杂的控制系统的必要性。在本文中,我们介绍了三种不同的深度强化学习(DRL)算法,以最大限度地降低长期运行成本,并将电池充电状态(SoC)保持在可操作极限之间。应用三种不同的drl背后的想法是,在解决管理问题方面,呈现DQN、DDPG和TD3算法的优缺点,甚至在更长的视域内使用连续状态和操作空间。实验结果表明,本文提出的强化学习算法可用于解决此类及类似的管理问题。这些表明,DRL算法有望解决具有不确定性的更复杂的问题,但很难保证它们将达到最优解。
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引用次数: 0
Upper-layer Post-processing Local Energy Bids and Offers from Neighbouring Energy Communities 上层后处理来自邻近能源社区的本地能源投标和报价
Pub Date : 2022-10-10 DOI: 10.1109/ISGT-Europe54678.2022.9960664
Juan J. Cuenca, Vahid Hosseinnezhad, B. Hayes
Future local energy trading schemes represent an important economic incentive for inclusion of distributed energy resources (DER) and flexibility in local energy communities. Nonetheless, trading schemes at the low voltage level are envisioned to result in unattended bids and offers of energy. In the absence of an alternative, these leftovers are expected to be captured by the supplier at a low price (in case of excess energy) and at a high price (in the case of energy requirements), which can represent significant economic benefits. This paper proposes a decentralised offline trading method to transfer this benefit from the supplier to the local energy communities using a minimum electrical distance criterion. Validation is made by running a year-long quasi-static time-series (QSTS) simulation with a resolution of one minute, using PV generation profiles, and four state-of-the-art DER allocation methods in the IEEE 33bus distribution test network. Results suggest that transferring these benefits can increase incomes up to 227% and decrease expenses up to 6.1% for local energy communities. Additionally, the sensitivity of the method to energy prices and market time step is studied.
未来的地方能源交易计划是一项重要的经济激励措施,有助于将分布式能源(DER)和灵活性纳入地方能源社区。尽管如此,低电压水平的交易方案被设想为导致无人参与的能源买卖。在没有替代方案的情况下,这些剩余物预计将由供应商以低价(在能源过剩的情况下)和高价(在能源需求的情况下)捕获,这可以代表显着的经济效益。本文提出了一种分散的离线交易方法,使用最小电距离标准将这种利益从供应商转移到当地能源社区。通过在IEEE 33总线配电测试网络中使用PV发电概况和四种最先进的DER分配方法,运行长达一年的分辨率为一分钟的准静态时间序列(QSTS)模拟进行验证。结果表明,转移这些利益可以使当地能源社区的收入增加227%,并减少6.1%的支出。此外,还研究了该方法对能源价格和市场时间步长的敏感性。
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引用次数: 0
The Influence of Deployment of DSM on Power System Angular and Frequency Transients and Stability 电力需求侧管理的部署对电力系统角、频暂态及稳定性的影响
Pub Date : 2022-10-10 DOI: 10.1109/ISGT-Europe54678.2022.9960380
Mengxuan Wang, J. Milanović, J. Ponoćko
Demand side management (DSM) has become one of the most effective methods to enhance and improve power system flexibility and stability, which are challenged by high operational variability and uncertainty of modern and future power systems. However, by manipulating load consumption patterns and compositions, DSM can be considered as a disturbance, and it may endanger system stability when the system is transferring from pre-DSM to post-DSM operating points. The paper illustrates system transient behaviour following a DSM deployment using a Monte Carlo simulation based probabilistic analysis. It also demonstrates advantages of applying time delays between DSM actions as a potential mitigating solution. By emphasising the importance of the transient period following the actual deployment (connection or disconnection of demand) of DSM for overall system angular and frequency stability, it contributes to better planning and implementation of DSM in power systems. All simulations have been performed in a mixed Matlab and DigSilent/PowerFactory environment and illustrated using a modified version of the IEEE 68-bus test system.
面对现代和未来电力系统运行的高可变性和不确定性,需求侧管理(DSM)已成为增强和改善电力系统灵活性和稳定性的最有效方法之一。然而,通过操纵负荷消耗模式和组成,DSM可以被视为一种干扰,并且当系统从DSM前的工作点转移到DSM后的工作点时,它可能危及系统的稳定性。本文利用基于概率分析的蒙特卡罗模拟说明了DSM部署后的系统瞬态行为。它还展示了在DSM操作之间应用时间延迟作为潜在缓解解决方案的优势。通过强调实际部署后的过渡时期(需求连接或断开)对整个系统角度和频率稳定性的重要性,它有助于更好地规划和实施电力系统的需求侧管理。所有仿真均在Matlab和DigSilent/PowerFactory混合环境中进行,并使用IEEE 68总线测试系统的修改版本进行说明。
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引用次数: 0
An adaptive Subgrid Identification Strategy for Future Medium Voltage Smart Grids based on Machine Learning 基于机器学习的未来中压智能电网自适应子网格识别策略
Pub Date : 2022-10-10 DOI: 10.1109/ISGT-Europe54678.2022.9960520
Frederik Puhe, C. Rehtanz
This paper proposes a novel strategy for adaptive autonomous identification of subgrids in medium voltage (MV) smart grids. The algorithm is based on machine learning. In contrast to a intended islanding of grids, the term subgrid describes a subordinate energy system of indeterminate size, which is physically isolated from the interconnected grid and continues to operate after disconnection. This process takes place outside the control of the distribution system operator. Due to the risks for people and equipment, subgrids must be identified reliably and quickly in order to disconnect them from the power supply. With the purpose of executing the subgrid identification strategy (SIS) in a scalable manner in future MV smart grids, a novel engineering process based on a virtualisation of smart grid services has been developed.
提出了一种中压智能电网中子电网自适应自主识别的新策略。该算法基于机器学习。与预期的电网孤岛相反,术语子电网描述了一个不确定大小的从属能源系统,它在物理上与相互连接的电网隔离,并在断开后继续运行。这个过程发生在配电系统运营商的控制之外。由于对人员和设备的风险,必须可靠而快速地识别子电网,以便将其与电源断开。为了在未来中压智能电网中以可扩展的方式执行子电网识别策略(SIS),开发了一种基于智能电网服务虚拟化的新型工程流程。
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引用次数: 0
Design of a WAMPAC System for Implementation in the Greek Transmission System WAMPAC系统在希腊传输系统中的实现设计
Pub Date : 2022-10-10 DOI: 10.1109/ISGT-Europe54678.2022.9960698
K. F. Krommydas, Christos-Spyridon G. Karavas, K. Plakas, Dimitrios Melissaris, C. Dikaiakos, Ioannis Moraitis, Anibal Prada Hurtado, Marta Bernal Sancho, Eduardo Martinez Carrasco, Jose Saldana, Virgilio De Andrade, A. Padilla, D. Brnobic, Toni Petrinic, Anastasis Tzoumpas, Paris Chatzitheodorou
The Greek power system is facing significant changes as the government’s policy is focused on an energy transition aligned with the European Union future plans by implementing comprehensive reforms in the energy sector to drive decarbonization, increase the share of renewable power plants and foster competitive markets. This transition is expected to create significant challenges to the operation of the future Greek power system. In this context, a Wide Area Monitoring, Protection and Control (WAMPAC) System is developed that is expected to serve as a useful tool for monitoring and controlling the steady and dynamic state of the power grid. Fifteen (15) time synchronized phasor measurement units are currently being installed in critical locations to gather data and online transmit them to phasor data concentrators in order to be used by the WAMPAC system. Moreover, a holistic design approach is adopted for the WAMPAC system with various protection and control services that aim to deal with the expected upcoming challenges. Overall, in this paper the developed augmented WAMPAC design approach and implementation is thoroughly described in order to serve as a roadmap for future power systems.
希腊电力系统正面临重大变化,因为政府的政策重点是与欧盟未来计划相一致的能源转型,通过实施能源部门的全面改革来推动脱碳,增加可再生发电厂的份额,并培育竞争市场。预计这一转变将给未来希腊电力系统的运行带来重大挑战。在此背景下,开发了广域监测、保护和控制(WAMPAC)系统,该系统有望成为监测和控制电网稳态和动态的有用工具。目前正在关键位置安装15个时间同步相量测量单元,以收集数据并在线将其传输到相量数据集中器,以便WAMPAC系统使用。此外,WAMPAC系统采用整体设计方法,提供各种保护和控制服务,旨在应对即将到来的挑战。总体而言,本文对开发的增强型WAMPAC设计方法和实现进行了全面描述,以作为未来电力系统的路线图。
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引用次数: 1
期刊
2022 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT-Europe)
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