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This paper introduces an algorithm able to detect and localize the occurrance of a fault in an Active Distribution Network, using the measurements collected by Phasor Measurement Units (PMUs). First, a basic algorithm that works under the…

系统与控制 · 电气工程与系统科学 2022-04-13 Francesco Conte , Fabio D'Agostino , Bruno Gabriele , Giacomo-Piero Schiapparelli , Federico Silvestro

Physical security of power networks under power injection attacks that alter generation and loads is studied. The system operator employs Phasor Measurement Units (PMUs) for detecting such attacks, while attackers devise attacks that are…

最优化与控制 · 数学 2016-10-20 Yue Zhao , Andrea Goldsmith , H. Vincent Poor

Dynamic state and parameter estimation methods for dynamic security assessment in power systems are becoming increasingly important for system operators. Usually, the data used for this type of applications stems from phasor measurement…

系统与控制 · 电气工程与系统科学 2022-09-01 Nicolai Lorenz-Meyer , René Suchantke , Johannes Schiffer

Phasor measurement units (PMUs) enable better system monitoring and security enhancement in smart grids. In order to enhance power system resilience against outages and blackouts caused by extreme weather events or man-made attacks, it…

系统与控制 · 电气工程与系统科学 2020-10-16 Hamed Haggi , Wei Sun , Junjian Qi

To provide real-time visibility of physics-based states, phasor measurement units (PMUs) are deployed throughout power networks. PMU data enable real-time grid monitoring and control -- and are essential in transitioning to smarter grids.…

系统与控制 · 电气工程与系统科学 2024-10-23 Mohamad H. Kazma , Ahmad F. Taha

Widely available measurement equipment in electrical distribution grids, such as power-quality measurement devices, substation meters, or customer smart meters do not provide phasor measurements due to the lack of high resolution time…

Sensors called phasor measurement units (PMUs) are used to monitor the electric power network. The power domination problem seeks to minimize the number of PMUs needed to monitor the network. We extend the power domination problem and…

组合数学 · 数学 2023-12-13 Beth Bjorkman , Esther Conrad , Mary Flagg

Due to the vulnerability of civilian global positioning system (GPS) signals, the accuracy of phasor measurement units (PMUs) can be greatly compromised by GPS spoofing attacks (GSAs), which introduce phase shifts into true phase angle…

系统与控制 · 电气工程与系统科学 2020-02-26 Ying Zhang , Jianhui Wang , Jianzhe Liu

The problem of effective use of Phasor Measurement Units (PMUs) to enhance power systems awareness and security is a topic of key interest. The central question to solve is how to use this new measurements to reconstruct the state of the…

系统与控制 · 电气工程与系统科学 2020-04-16 Alexey Bobtsov , Romeo Ortega , Nikolay Nikolaev , Johannes Schiffer , M. Nicolai L. Lorenz-Meyer

Deep learning has emerged as an effective solution for addressing the challenges of short-term voltage stability assessment (STVSA) in power systems. However, existing deep learning-based STVSA approaches face limitations in adapting to…

机器学习 · 计算机科学 2023-09-21 Yang Li , Shitu Zhang , Yuanzheng Li , Jiting Cao , Shuyue Jia

Phasor Measurement Units (PMUs) are measurement devices long used in transmission systems and today even more essential for a proper monitoring of distribution grids. The expected massive penetration of distributed energy resources (DERs)…

系统与控制 · 电气工程与系统科学 2020-03-03 Carlo Guarnieri Calo\' Carducci , Gianluca Lipari , Nicola Giaquinto , Ferdinanda Ponci , Antonello Monti

Installation of phasor measurement units (PMUs) in a number of substations in the power grid can help assess a set of its values and parameters, in particular those related to the dynamics when disturbances occur in the system. Inertia…

系统与控制 · 电气工程与系统科学 2021-04-19 Mohammadali Hayerikhiyavi , Aleksandar Dimitrovski

This research proposes a machine learning-based attack detection model for power systems, specifically targeting smart grids. By utilizing data and logs collected from Phasor Measuring Devices (PMUs), the model aims to learn system…

机器学习 · 计算机科学 2023-07-10 Diane Tuyizere , Remy Ihabwikuzo

In this paper the empirical observability Gramian calculated around the operating region of a power system is used to quantify the degree of observability of the system states under specific phasor measurement unit (PMU) placement. An…

最优化与控制 · 数学 2014-10-08 Junjian Qi , Kai Sun , Wei Kang

Timely recognition of voltage instability is crucial to allow for effective control and protection interventions. Phasor measurements units (PMUs) can be utilized to provide high sampling rate time-synchronized voltage and current phasors…

系统与控制 · 计算机科学 2013-08-05 R. Leelaruji , L. Vanfretti , J. O. Gjerde , S. Lovlund

Real-time transient event identification is essential for power system situational awareness and protection. The increased penetration of Phasor Measurement Units (PMUs) enhance power system visualization and real time monitoring and…

信号处理 · 电气工程与系统科学 2018-12-04 Rui Ma , Sagnik Basumallik , Sara Eftekharnejad

This paper presents an innovative approach to micro-phasor measurement unit (micro-PMU) placement in unbalanced distribution networks. The methodology accounts for the presence of single-and-two-phase laterals and acknowledges the fact that…

系统与控制 · 电气工程与系统科学 2020-08-04 Reetam Sen Biswas , Behrouz Azimian , Anamitra Pal

Power domination is a graph-theoretic model for the observance of a power grid using phasor measurement units (PMUs). There are many costs associated with the installation of a PMU, but also costs associated with not observing the entire…

组合数学 · 数学 2026-02-19 Beth Bjorkman , Sean English , Johnathan Koch

The most commonly used weighted least square state estimator in power industry is nonlinear and formulated by using conventional measurements such as line flow and injection measurements. PMUs (Phasor Measurement Units) are gradually adding…

系统与控制 · 计算机科学 2017-03-22 Hossein A. Sangrody , Mohammad Taghi Ameli

In this paper, a phasor measurement unit (PMU)-based wide-area damping control method is proposed to damp the interarea oscillations that threaten the modern power system stability and security. Utilizing the synchronized PMU data, the…

系统与控制 · 电气工程与系统科学 2021-08-04 Ilias Zenelis , Xiaozhe Wang