Results 11 to 20 of about 7,837,746 (330)

Adaptive Phasor Estimation Algorithm Based on a Least Squares Method

open access: yesEnergies, 2019
This paper proposes an adaptive phasor estimation algorithm based on a least square method that can suppress the adverse effect of an exponentially decreasing DC offset component in a phasor estimation process. The proposed algorithm is composed of three
Woo-Joong Kim   +2 more
doaj   +2 more sources

An Extended Kalman Filter Approach for Accurate Instantaneous Dynamic Phasor Estimation

open access: yesEnergies, 2018
This paper proposes the application of a non-linear Extended Kalman Filter (EKF) for accurate instantaneous dynamic phasor estimation. An EKF-based algorithm is proposed to better adapt to the dynamic measurement requirements and to provide real-time ...
Matilde de Apráiz   +2 more
doaj   +2 more sources

A Phasor Estimation Algorithm based on Hilbert Transform for P-class PMUs

open access: yesAdvances in Electrical and Computer Engineering, 2018
Phasor measurement units (PMUs) play an important role in many applications of power systems. In order to ensure a reliable performance, the phasor estimation algorithm has to satisfy a set of requirements stated in the IEEE Standard C37.118.1, which ...
RAZO-HERNANDEZ, J. R.   +4 more
doaj   +2 more sources

An Optimization of Least-Square Harmonic Phasor Estimators in Presence of Multi-Interference and Harmonic Frequency Variance

open access: yesEnergies, 2023
The wide application of power electronic devices brings an increasing amount of undesired harmonic and interharmonic tones, and accurate harmonic phasor estimation under a complex signal input is an important task for smart grid applications.
Dongfang Zhao   +7 more
doaj   +1 more source

Phasor Estimation for Grid Power Monitoring: Least Square vs. Linear Kalman Filter [PDF]

open access: yes, 2020
International ...
Ahmed, Hafiz   +4 more
core   +3 more sources

A Morlet Wavelet-Based Two-Point FIR Filter Method for Phasor Estimation

open access: yesIEEE Transactions on Instrumentation and Measurement, 2021
This article proposes a method of phasor estimation called the Morlet wavelet-based two-point finite-impulse response (FIR) filter (MW-FIR), showing advantages on algorithm complexity, customizability, and zero overshoot.
Xin Liu, M. Lewandowski, N. Nair
semanticscholar   +1 more source

Implementation of Phasor Measurement Unit Based on Phase-Locked Loop Techniques: A Comprehensive Review

open access: yesEnergies, 2023
The dynamic monitoring, control, and protection of modern power systems in real time require time-stamped electrical measurements to accurately estimate the bus voltage phasors using the state estimation function under normal and abnormal conditions ...
Vasilis Giotopoulos, Georgios Korres
doaj   +1 more source

Monitoring of power system dynamics under incomplete PMU observability condition

open access: yesIET Generation, Transmission & Distribution, 2021
This work presents a hybrid state estimation procedure that allows power system dynamics associated to slow and fast transient events to be accurately monitored considering a limited amount of phasor measurement units. The proposal represents an enhanced
Gabriel Ortiz   +2 more
doaj   +1 more source

Phasor Estimation Based on Modified Recursive Prony [PDF]

open access: yes2018 IEEE Conference on Control Technology and Applications (CCTA), 2018
Synchronized Measurement Technology represented by Phasor Measurement Units (PMUs) is a sophisticated tool for power system monitoring and contributes to a more reliable and secure operation of the power systems. Phasor estimation is the key of PMUs, providing amplitude and phase of voltage/current of the power network buses.
Khodaparast Ghadikolaei, Jalal   +2 more
openaire   +2 more sources

A robust and accurate discrete Fourier transform‐based phasor estimation method for frequency domain fault location of power transmission lines

open access: yesIET Generation, Transmission & Distribution, 2022
Frequency domain methods had been commonly used in power transmission line fault location. To improve the accuracy of frequency domain fault location methods, this paper studies a robust and accurate discrete Fourier transform (DFT)‐based phasor ...
Yuansheng Liang   +5 more
doaj   +1 more source

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