A MATLAB GUI teaching application for ferroresonance simulation
Sign Up to like & getrecommendations! Published in 2021 at "Computer Applications in Engineering Education"
DOI: 10.1002/cae.22421
Abstract: Ferroresonance is a complex phenomenon and can compromise power system sustainability in transformer cores during the electromagnetic saturation process. Over‐voltage can be induced in the inductive core of transformers in an oscillation imbalance circuit; thus… read more here.
Keywords: teaching application; gui; ferroresonance; matlab gui ... See more keywords
Memristor emulator – a nonlinear load for reduction of ferroresonance in a single-phase transformer
Sign Up to like & getrecommendations! Published in 2020 at "Circuit World"
DOI: 10.1108/cw-09-2019-0120
Abstract: PurposeAn annual substation equipment failure report says 3/7 capacitive voltage transformer (CVT) got damaged because of ferroresonance overvoltage. The conventional mitigation circuit fails to protect the transformer as the overvoltage may fall in the range… read more here.
Keywords: memristor emulator; ferroresonance; circuit; mitigation ... See more keywords
Effect of GIC Neutral Blocking Devices (NBDs) on Power Network Ferroresonance in Malaysia
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DOI: 10.1109/access.2022.3184424
Abstract: Geomagnetic disturbance (GMD) arises during space weather and solar activity can result in geomagnetically induced current (GIC) flow in the grounded power transformers in the power network. This GIC may cause half-cycle saturation of transformers… read more here.
Keywords: power; neutral blocking; power network; ferroresonance ... See more keywords
Single-Phase Ferroresonance in an Ungrounded System During System Energization
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DOI: 10.1109/tia.2021.3079878
Abstract: Ferroresonance often occurs in power systems during system switching, which creates overvoltage situations and poses great risks to the equipment safety. In this article, a single-phase ferroresonance incident during a system energization process is presented,… read more here.
Keywords: ferroresonance; system; system energization; single phase ... See more keywords
Analysis and Simulation of Ferroresonance in Power Transformers using Simulink
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Latin America Transactions"
DOI: 10.1109/tla.2018.8327400
Abstract: This paper presents a study using Simulink to investigate the response of the voltage transformers to the phenomenon of ferroresonance. In analyzing the behavior of this phenomenon are considered purely electrical variables (currents and voltages).… read more here.
Keywords: simulation ferroresonance; ferroresonance; analysis simulation; using simulink ... See more keywords
Investigation of Temporary Overvoltage on Microgrid with Emphasis on Ferroresonance
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Engineering Research in Africa"
DOI: 10.4028/www.scientific.net/jera.39.32
Abstract: Temporary overvoltages caused by primary and secondary islanding due to a fault on a hybrid microgrid of a wind energy and PV system that was connected to the grid, was considered in this study. Symmetry… read more here.
Keywords: ferroresonance; temporary overvoltage; microgrid emphasis; investigation temporary ... See more keywords