Online tracking of Thévenin equivalent parameters using PMU measurements

SM Abdelkader, DJ Morrow - IEEE Transactions on Power …, 2012 - ieeexplore.ieee.org
This paper presents a new method for tracking Thévenin equivalent parameters for a power
system at a node using local phasor measurement unit (PMU) measurements. Three …

Online Thévenin equivalent determination considering system side changes and measurement errors

SM Abdelkader, DJ Morrow - IEEE Transactions on Power …, 2014 - ieeexplore.ieee.org
This paper presents a new method for online determination of the Thèvenin equivalent
parameters of a power system at a given node using the local PMU measurements at that …

Wide bandwidth system identification of AC system impedances by applying pertubations to an existing converter

D Martin, E Santi, A Barkley - 2011 IEEE Energy Conversion …, 2011 - ieeexplore.ieee.org
A new approach is developed using an existing single-phase power electronics inverter to
make a wideband impedance measurement at its interface using a pseudo-random binary …

On‐line voltage stability index based on the voltage equation of transmission lines

X Ancheng, L Ruihuang, L Mingkai… - IET Generation …, 2016 - Wiley Online Library
This study proposes a new voltage stability index based on the voltage equation of
transmission lines. The proposed index is obtained by using the characteristic that the …

On-line Thevenin impedance estimation based on PMU data and phase drift correction

B Alinezhad, HK Karegar - IEEE Transactions on Smart Grid, 2016 - ieeexplore.ieee.org
In this paper, a new approach based on synchronized phasor measurements is developed
to estimate the online Thévenin impedance of the power system seen at the generator …

Continuous event-based harmonic impedance assessment using online measurements

D Serfontein, J Rens, G Botha… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
The quantification of harmonic emission requires an accurate model of the network
harmonic impedances. A number of techniques have been proposed for the assessment of …

A new adaptive impedance-based LOE protection of synchronous generator in the presence of STATCOM

H Yaghobi - IEEE Transactions on Power Delivery, 2017 - ieeexplore.ieee.org
This paper presents a new adaptive distance function for loss of excitation (LOE) protection
of synchronous generator in the presence of STATCOM. Nowadays, the Berdy distance …

Parameter estimation of a grid-connected VSC using the extended harmonic domain

M Esparza, J Segundo, C Gurrola-Corral… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
This paper proposes a light, flexible, and yet reliable multiparametric estimation algorithm for
grid-connected voltage-source-converter-based systems. This approach combines the …

Power system impedance estimation using a fast voltage and current changes measurements

M Kanálik, A Margitová, Ľ Beňa, A Kanáliková - Energies, 2020 - mdpi.com
Equivalent power system impedance is an important electrical quantity from many points of
view. Areas in which this parameter plays an important role include, in particular: Voltage …

Intelligent control of on-load tap changing transformer

M Bahadornejad, NKC Nair - IEEE Transactions on Smart Grid, 2014 - ieeexplore.ieee.org
In this paper, an intelligent on-load tap changer (OLTC) control scheme is introduced that is
based on the changes of the transformer primary side voltage and current caused by the …