The modeling of a ferromagnetic core coil magnetic hysteresis has been considered. The
measurement basis consisted of waveforms that have been recorded for various levels of …

Inductive voltage transformers are the basic components of the switchgear equipment or
electrical substations. This article presents problems related to their operation. Inductive …

The common characteristics of a nonlinear system are multiple equilibrium points, limit
cycles, jump resonance and sub-harmonic generation. Ferroresonance is also a nonlinear …

This paper addresses the problem of modeling the nonlinear coil used for ferroresonant
circuit analysis. The effect of ferroresonance is described and a general modeling approach …

Ferroresonance is one of the most destructive transient phenomena in power systems. This
complex phenomenon involves the association of nonlinear magnetizing inductances and …

The article presents the results of the computations performed for a ferroresonant circuit.
Two models for the coil with a ferromagnetic core were used in the simulations. The …

This brief focuses on the impact of basic circuit parameters to the initiation of characteristic
ferroresonance states. Basic circuit parameters analyzed in this brief are the coil nominal …

This paper presents a methodology to reduce the ferroresonance between a bus potential
transformer and circuit breaker grading capacitance. It starts with the investigation of the …

Objective: The paper presents an experimental and numerical investigation carried out on a
ferroresonant circuit in order to determine to what extent the initiation of ferroresonance …

Power quality and power disturbances are the most important increasing factors throughout
electrical networks. Ferroresonance as one of these disturbances can cause quality and …