Denoising and detection of bad data in distribution phasor measurements using filtering, clustering, and koopman mode analysis

A Gholami, A Vosughi… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Distribution-level phasor measurement units (D-PMU) data are prone to different types of
anomalies given complex data flow and processing infrastructure in an active power …

Koopman operator theory and dynamic mode decomposition in data-driven science and engineering: A comprehensive review

R Ghosh, M Mcafee - Mathematical Modelling and Numerical …, 2024 - dergipark.org.tr
Poincaré's geometric representation, while historically fundamental in dynamical system
analysis, faces challenges with high-dimensional and uncertain systems in modern …

Real-time transient stability prediction and coherency identification in power systems using Koopman mode analysis

S Jafarzadeh, I Genc, A Nehorai - Electric Power Systems Research, 2021 - Elsevier
In this paper, we propose a novel methodology based on Koopman mode analysis to predict
the transient stability of a power system in real-time. The method assesses the stability of the …

Learning-based model predictive current control for synchronous machines: An LSTM approach

I Hammoud, S Hentzelt, T Oehlschlaegel… - European Journal of …, 2022 - Elsevier
In this work, a data-driven model predictive control (MPC) approach for the current control of
synchronous machines is presented. The model of the motor is represented via a long-short …

Decentralized stability enhancement of DFIG-based wind farms in large power systems: Koopman theoretic approach

A Husham, I Kamwa, MA Abido, H Suprême - IEEE Access, 2022 - ieeexplore.ieee.org
This paper proposes a data-centric model predictive control (MPC) for supplemental control
of a DFIG-based wind farm (WF) to improve power system stability. The proposed method is …

Synchrophasor-based event detection, classification, and localization using koopman, transient energy matrix, best worth method, and dynamic graph

A Vosughi, SK Sadanandan… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The integration of high-resolution data from phasor measurement units (PMUs) in the power
grid operation provides an opportunity for enhanced situational awareness and possible …

Denoising and bad data detection in distribution phasor measurements using filtering, clustering and koopman mode analysis

A Vosughi, A Gholami… - 2021 IEEE Industry …, 2021 - ieeexplore.ieee.org
Distribution-level phasor measurement units (D-PMU) data are prone to different types of
anomalies given complex data flow and processing infrastructure in an active power …

Sensor enabled data-driven predictive analytics for modeling and control with high penetration of DERs in distribution systems

V Ajjarapu, U Vaidya, M Govindarasu, V Krishnan… - 2021 - osti.gov
The electric power grid is undergoing a tremendous transformation due to the increasing
penetration of renewable energy resources beginning with wind and more recently with the …

Power System Stability Improvement with Decommissioned Synchronous Machine Using Koopman Operator Based Model Predictive Control

X Li - 2019 - vtechworks.lib.vt.edu
Traditional generators have been decommissioned or replaced by renewable energy
generation due to utility long-standing goals. However, instead of flattening the entire plant …

Improved Dynamical Analysis Tools for DFIG Wind Farms via Traditional and Koopman Linearizations

E Mitchell-Colgan - 2019 - vtechworks.lib.vt.edu
The electric power system is designed to economically and reliably transmit electricity to
homes, industry, and businesses. The economic impact of the electric grid was …