Estimation of line parameters, tap changer ratios, and systematic measurement errors based on synchronized measurements and a general model of tap-changing …

PA Pegoraro, C Sitzia, AV Solinas… - IEEE Open Journal of …, 2022 - ieeexplore.ieee.org
A primary requirement for the transmission system operator is an accurate knowledge of grid
parameters. Moreover, the availability of effective and accurate monitoring tools allows the …

Estimation of impedance ratio parameters for consistent modeling of tap-changing transformers

MRR Mojumdar, JM Cano… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Recent contributions have shown that two widely used formulations of the tap-changing
transformer model are controversial, as they generate dissimilar results depending on the …

Estimation of Off-Nominal Parameters of Three-Winding Transformers Using Lagrange Interpolation

S Robak, J Machowski - IEEE Transactions on Power Delivery, 2024 - ieeexplore.ieee.org
Three-winding transformers equipped with on-load tap changers are widely used in power
systems. The impact of tap-changer control across the entire range of regulation from the …

Methodologies for a simultaneous estimation of power grid parameters and systematic measurement errors

C Sitzia - 2024 - iris.unica.it
The thesis presents the development of methodologies for the simultaneous estimation of
network parameters (lines and transformers) and compensation of systematic errors of …

Wide Voltage-Regulation Range Tap-changing Transformer Model for Power System Studies

JM Cano, MRR Mojumdar… - 2021 IEEE PES Innovative …, 2021 - ieeexplore.ieee.org
Tap-changing transformer models used in power system studies tend to neglect the change
in the short-circuit impedance of the device at the different tap positions. However, the …

Consistent modeling and parameter estimation of voltage regulating transformers for power system studies

MD Mojumdar - 2022 - digibuo.uniovi.es
La regulación de tensión es una de las preocupaciones más importantes a tener en cuenta
en el diseño y operación de redes eléctricas. Por esta razón, los transformadores con …

[PDF][PDF] Wide voltage-regulation range tap-changing transformer model for power system studies

JM Cano Rodríguez, MRR Mojumdar… - Proceedings of 2021 …, 2021 - digibuo.uniovi.es
Tap-changing transformer models used in power system studies tend to neglect the change
in the short-circuit impedance of the device at the different tap positions. However, the …