A review of ferroresonance in capacitive voltage transformer
Ferroresonance incidences in electrical power system have been commonly regarded as
unexplained phenomenon, which is not critical for utility engineers. As a result, research …
unexplained phenomenon, which is not critical for utility engineers. As a result, research …
Dual reversible transformer model for the calculation of low-frequency transients
This paper presents a physically consistent dual model applicable to single-phase two-
winding transformers for the calculation of low-frequency transients. First, the topology of a …
winding transformers for the calculation of low-frequency transients. First, the topology of a …
Elimination of residual flux in transformers by the application of an alternating polarity DC voltage source
The purpose of core demagnetization is twofold: 1) to reduce the inrush currents when
transformers are energized; and 2) to make sure that the frequency-response analysis (FRA) …
transformers are energized; and 2) to make sure that the frequency-response analysis (FRA) …
Saturable reactor hysteresis model based on Jiles–Atherton formulation for ferroresonance studies
Despite remarkable achievements in the field of Jiles–Atherton (JA) hysteresis theory, JA
hysteresis modeling remains challenging given that most commercial software still lacks a …
hysteresis modeling remains challenging given that most commercial software still lacks a …
Smart solid‐state ferroresonance limiter for voltage transformers application: principle and test results
This study employs a novel smart solid state ferroresonance limiter (SSFL) for stabilising the
chaotic behaviour of a voltage transformer (VT). It is shownthat the ferroresonance …
chaotic behaviour of a voltage transformer (VT). It is shownthat the ferroresonance …
Modeling and simulations of ferroresonance by using BDF/NDF numerical methods
The predictive power of transient ferroresonance simulations depends mainly on the
accuracy and fidelity of the power transformer model used for simulating complete systems …
accuracy and fidelity of the power transformer model used for simulating complete systems …
Tools for characterization and assessment of ferroresonance using 3-D bifurcation diagrams
JA Corea-Araujo, F González-Molina… - … on Power Delivery, 2014 - ieeexplore.ieee.org
Ferroresonance is one of the most destructive transient phenomena in power systems. This
complex phenomenon involves the association of nonlinear magnetizing inductances and …
complex phenomenon involves the association of nonlinear magnetizing inductances and …
Electromagnetic transient study on flexible control processes of ferroresonance
Ferroresonance, which is a common phenomenon in power systems, have threatened the
security of power systems for a long time. Although several ferroresonance suppression …
security of power systems for a long time. Although several ferroresonance suppression …
Accurate transformer equivalent circuit for percentage differential protection simulation under DC bias
Percentage differential protection (PDP) is one of the main protections of the transformer.
The traditional transformer T equivalent circuit is insufficient to simulate the uneven …
The traditional transformer T equivalent circuit is insufficient to simulate the uneven …
Low-frequency dual reversible model of the single-phase two-winding transformer considering the gradually quicker saturation process of the core
P Duan, M Yang, Y Liu, B Zou, S Ye, W Sima - International Journal of …, 2021 - Elsevier
The major nonlinear effects in the transformer core are saturation and hysteresis, in which
saturation is the predominant effect for the transients involving saturation of transformers. A …
saturation is the predominant effect for the transients involving saturation of transformers. A …