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“Controlling Chaotic Ferroresonance oscillations in Autotransformers Including Linear and Nonlinear Core Losses Effect,” International Review of electrical engineering (I.R.E.E), Vol. 5 No. 6, Part A, NOV-DEC 2010.

has been cited by the following article:

• TITLE: Studying Effect of Magnetizing Curve Nonlinearity Index on the Occurring Chaotic Ferroresonance Oscillation in Autotransformers

  AUTHORS: Hamid Radmanesh, Mehrdad Rostami, Jafar Khalilpour

  KEYWORDS: Linear Core Losses, Chaotic Ferroresonance, Bifurcation Diagrams, Autotransformers

  JOURNAL NAME: Energy and Power Engineering, Vol.3 No.2, May 18, 2011

  ABSTRACT: This paper investigates the effect of iron core saturation characteristic degree on the onset of chaotic ferrore-sonance and duration of transient chaos in an autotransformer. The transformer chosen for study has a rating of 50 MVA, 635.1 kV, the magnetization characteristic of the autotransformer is modeled by a single-value two-term polynomial with q = 5, 7, 11. The core loss is modeled by a linear resistance and is considered a fix value for it. Simulation results are derived by using MATLAB software and nonlinear dynamics tool such as bifurcation and phase plan diagrams. It is shown settling down to the chaotic region is increased when degree of core nonlinearity is gone from 5 to 11.