Results 21 to 30 of about 16,047 (248)

Machine Learning-Based Fault Location for Smart Distribution Networks Equipped with Micro-PMU

open access: yesItalian National Conference on Sensors, 2022
Faults in distribution networks occur unpredictably, causing a threat to public safety and resulting in power outages. Automated, efficient, and precise detection of faulty sections could be a major element in immediately restoring networks and avoiding ...
Hamid Mirshekali   +3 more
semanticscholar   +1 more source

Field PMU Test and Calibration Method—Part I: General Framework and Algorithms for PMU Calibrator

open access: yesJournal of Modern Power Systems and Clean Energy, 2022
Laboratory testing of phasor measurement units (PMUs) guarantees their performance under laboratory conditions. However, many factors may cause PMU measurement problems in actual power systems, resulting in the malfunction of PMU-based applications ...
Sudi Xu, Hao Liu, Tianshu Bi
doaj   +1 more source

Robust Event Classification Using Imperfect Real-World PMU Data [PDF]

open access: yesIEEE Internet of Things Journal, 2021
This article studies robust event classification using imperfect real-world phasor measurement unit (PMU) data. By analyzing the real-world PMU data, we find that it is challenging to directly use this data set for event classifiers due to the low data ...
Yunchuan Liu   +6 more
semanticscholar   +1 more source

Intrusion Detection, Measurement Correction, and Attack Localization of PMU Networks

open access: yesIEEE transactions on industrial electronics (1982. Print), 2022
Accurate state estimation is essential for correct supervision of power grids. With the existence of cyber-attacks, state estimation may become inaccurate, which can eventually lead to wrong supervisory decision making.
Zahra Khalafi   +5 more
semanticscholar   +1 more source

DFT-Based Identification of Oscillation Modes from PMU Data Using an Exponential Window Function

open access: yesEnergies, 2019
The characteristics of oscillation modes, such as interarea, regional, and subsynchronous modes, can vary during a power system fault, which can cause switching and control actions in the power system.
Jin Kwon Hwang   +3 more
doaj   +1 more source

Research and Application of Algorithm for Distribution Network Synchronous Phasor Measurement Unit Based on Hanning Window

open access: yesZhongguo dianli, 2022
The measurement environment of distribution network is complex and poor, and the traditional synchronous phasor algorithm of transmission network is difficult to meet the requirements.
Gaowang YU   +5 more
doaj   +1 more source

Optimal Micro-PMU Placement in Distribution Networks Considering Usable Zero-Injection Phase Strings

open access: yesIEEE Transactions on Smart Grid, 2022
Real-time monitoring tools and their optimal measurement infrastructure are expected to play a critical role in smart grid applications. These applications require greater measurement precision and speed, which is not possible with conventional ...
Manoj Prabhakar Anguswamy   +3 more
semanticscholar   +1 more source

Robust Hybrid Linear State Estimator Utilizing SCADA and PMU Measurements

open access: yesIEEE Transactions on Power Systems, 2021
This paper intends to improve the accuracy of power system State Estimation (SE) by introducing a hybrid linear robust state estimator. To this end, automatic bad data rejection is accomplished through an M-estimator, i.e.
A. S. Dobakhshari   +3 more
semanticscholar   +1 more source

Data-Driven Event Detection of Power Systems Based on Unequal-Interval Reduction of PMU Data and Local Outlier Factor

open access: yesIEEE Transactions on Smart Grid, 2020
With the deployment of phasor measurement units (PMU) and wide area measurement system (WAMS), it is feasible to have an insight into the events occurred in power systems based on measured data.
Shengyuan Liu   +6 more
semanticscholar   +1 more source

Communication infrastructure for situational awareness enhancement in WAMS with optimal PMU placement

open access: yesProtection and Control of Modern Power Systems, 2021
Real time monitoring and control of a modern power system has achieved significant development since the incorporation of the phasor measurement unit (PMU).
B. Appasani   +3 more
semanticscholar   +1 more source

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