Implementation and verification of the Hybrid Transformer model in ATPDraw

HK Høidalen, BA Mork, F Gonzalez, D Ishchenko… - Electric Power Systems …, 2009 - Elsevier
The paper documents a new transformer model in ATPDraw called XFMR. This model
handles three-phase transformers with two or three windings. Autotransformers and all Wye …

Online condition monitoring of onboard traction transformer core based on core-loss calculation model

Q Fu, J Zhu, ZH Mao, G Zhang… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
According to the special working condition in the commutation region of the traction grid, a
novel technique of online core-loss measurement for the electric locomotive onboard …

Modified method for transformer magnetizing characteristic computation and point‐on‐wave control switching for inrush current mitigation

A Yahiou, A Bayadi, B Babes - International Journal of Circuit …, 2019 - Wiley Online Library
This paper proposes a new model for the low‐frequency transient analysis of a transformer,
with a modified equation for calculation of the flux‐current characteristic representing the …

[PDF][PDF] Modeling of nonlinear and hysteretic iron-core inductors in ATP

N Chiesa, HK Høidalen - European EMTP-ATP Conference, 2007 - academia.edu
A crucial element of transformer models for transient simulation is the representation of the
core. The modeling of non-linear hysteretic inductor required to properly represent a …

[PDF][PDF] Calculation of power transformers equivalent circuit parameters using numerical field solutions

AFL Nogueira - International Journal of Research and Reviews in …, 2013 - researchgate.net
Numerical field solutions may be used to determine the electrical equivalent circuit
parameters of transformers. The lumped elements of the equivalent circuit correspond to the …

Transformer modeling for low-and mid-frequency electromagnetic transients simulation

M Lambert - 2014 - publications.polymtl.ca
Dans cette thèse, de nouveaux modèles de transformateurs pour les transitoires
électromagnétiques à basse fréquence ont été développés pour les appareils cuirassés …

Core form transformer topological duality based transient model validation for exciting current calculation within DC bias

J Li, J Li - IET Generation, Transmission & Distribution, 2020 - Wiley Online Library
Transformer topological duality‐based transient model (TDuM) has been widely used in the
electromagnetic transient (EMT) simulation to consider the impact of core non‐linear …

Transients During Energization of Unloaded Generator Step-Up Transformers

LE Jensvoll - 2019 - ntnuopen.ntnu.no
En standard vannkraftstasjon i det norske kraftsystemet består av generator og transformator
installert i fjellanlegg. Fra transformatoren går det kabler til et utendørs koblingsanlegg med …

Effect of lightning impulses on the resonance stresses in the high voltage power transformers

EO Hassan, EA Badran… - … International Middle East …, 2017 - ieeexplore.ieee.org
This paper studies the effect of lightning impulses on the resonance stresses in the high
voltage power transformers. It has been investigated the conditions for the transformer …

Time-Domain Simulation of Geomagnetically Induced Currents in Power Systems

MA Jagtap - 2022 - search.proquest.com
When a transformer is subjected to a DC bias during a geomagnetic disturbance event
(GMD), it leads to an effect known as half-cycle saturation. Due to this, reactive power losses …