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Phasor measurement units (PMUs) provide accurate and high-fidelity measurements in order to monitor the state of the power grid and support various control and planning tasks. However, PMUs have a high installation cost prohibiting their…

Systems and Control · Electrical Eng. & Systems 2023-04-18 Saptarshi Ghosh , Murali Sankar Venkatraman , Shehab Ahmed , Charalambos Konstantinou

Phasor measurement units (PMUs) have the advantage of providing direct measurements of power states. However, as the number of PMUs in a power system is limited, the traditional supervisory control and data acquisition (SCADA) system cannot…

Systems and Control · Computer Science 2016-07-12 Jian Du , Shaodan Ma , Yik-Chung Wu , H. Vincent Poor

This paper proposes a source-independent method for the detection and classification of faults along Transmission Lines (TLs). It aims to reduce the protection issues arising from Inverter-Based Resources (IBRs). Inspired by Power Line…

Applied Physics · Physics 2024-07-12 Julio Rodriguez , Isaac Kofi Otchere , Reza Jalilzadeh Hamidi

Since transmission lines are crucial links in the power system, one line outage event may bring about interruption or even cascading failure of the power system. If a quick and accurate line outage detection and localization can be…

Signal Processing · Electrical Eng. & Systems 2019-04-03 Xianda Deng , Desong Bian , Di Shi , Wenxuan Yao , Zhihao Jiang , Yilu Liu

A significant portion of the literature on fault localization assumes (more or less explicitly) that there are sufficient reliable measurements to guarantee that the system is observable. While several heuristics exist to break the…

Systems and Control · Computer Science 2018-09-12 Mahdi Jamei , Anna Scaglione , Sean Peisert

The recent introduction of synchrophasor technology into power distribution systems has given impetus to various monitoring, diagnostic, and control applications, such as system identification and event detection, which are crucial for…

Systems and Control · Computer Science 2020-09-17 Omid Ardakanian , Ye Yuan , Roel Dobbe , Alexandra von Meier , Steven Low , Claire Tomlin

The prompt and accurate detection of faults and abnormalities in electric transmission lines is a critical challenge in smart grid systems. Existing methods mostly rely on model-based approaches, which may not capture all the aspects of…

Machine Learning · Computer Science 2020-09-16 Peyman Tehrani , Marco Levorato

A large-scale deployment of phasor measurement units (PMUs) that reveal the inherent physical laws of power systems from a data perspective enables an enhanced awareness of power system operation. However, the high-granularity and…

Signal Processing · Electrical Eng. & Systems 2022-07-26 Yuxuan Yuan , Yifei Guo , Kaveh Dehghanpour , Zhaoyu Wang , Yanchao Wang

A cornerstone of the smart grid is the advanced monitorability on its assets and operations. Increasingly pervasive installation of the phasor measurement units (PMUs) allows the so-called synchrophasor measurements to be taken roughly 100…

Applications · Statistics 2017-08-17 Robert Qiu , Lei Chu , Xing He , Zenan Ling , Haichun Liu

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…

Data Analysis, Statistics and Probability · Physics 2020-09-25 Mauro Escobar , Daniel Bienstock , Michael Chertkov

Phasor measurement units (PMUs) can be effectively utilized for the monitoring and control of the power grid. As the cyber-world becomes increasingly embedded into power grids, the risks of this inevitable evolution become serious. In this…

Systems and Control · Computer Science 2016-05-23 Ahmad F. Taha , Junjian Qi , Jianhui Wang , Jitesh H. Panchal

Phasor measurement units (PMUs) create ample real-time monitoring opportunities for modern power systems. Among them, line outage detection and identification remains a crucial but challenging task. Current works on outage identification…

Systems and Control · Electrical Eng. & Systems 2022-06-07 Xiaozhou Yang , Nan Chen

In this paper, we present a Fingerprint Linear Estimation Routine (FLiER) to identify topology changes in power networks using readings from sparsely-deployed phasor measurement units (PMUs). When a power line, load, or generator trips in a…

Systems and Control · Computer Science 2016-07-25 Colin Ponce , David Bindel

Ensuring secure and reliable operations of the power grid is a primary concern of system operators. Phasor measurement units (PMUs) are rapidly being deployed in the grid to provide fast-sampled operational data that should enable quicker…

Signal Processing · Electrical Eng. & Systems 2019-11-15 Christopher Hannon , Deepjyoti Deka , Dong Jin , Marc Vuffray , Andrey Y. Lokhov

This paper presents a new framework of identifying a series of cyber data attacks on power system synchrophasor measurements. We focus on detecting "unobservable" cyber data attacks that cannot be detected by any existing method that purely…

Information Theory · Computer Science 2016-11-03 Pengzhi Gao , Meng Wang , Joe H. Chow , Scott G. Ghiocel , Bruce Fardanesh , George Stefopoulos , Michael P. Razanousky

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…

Signal Processing · Electrical Eng. & Systems 2018-12-04 Rui Ma , Sagnik Basumallik , Sara Eftekharnejad

Proliferation of advanced metering devices with high sampling rates in distribution grids, e.g., micro-phasor measurement units ({\mu}PMU), provides unprecedented potentials for wide-area monitoring and diagnostic applications, e.g.,…

Machine Learning · Computer Science 2017-03-30 Iman Niazazari , Hanif Livani

In this paper, a dual estimation methodology is developed for both time-varying parameters and states of a nonlinear stochastic system based on the Particle Filtering (PF) scheme. Our developed methodology is based on a concurrent…

Systems and Control · Computer Science 2016-06-29 Najmeh Daroogheh , Nader Meskin , Khashayar Khorasani

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…

Combinatorics · Mathematics 2023-12-13 Beth Bjorkman , Esther Conrad , Mary Flagg

Power systems are prone to a variety of events (e.g. line trips and generation loss) and real-time identification of such events is crucial in terms of situational awareness, reliability, and security. Using measurements from multiple…

Systems and Control · Electrical Eng. & Systems 2023-01-18 Nima T. Bazargani , Gautam Dasarathy , Lalitha Sankar , Oliver Kosut