The self excited induction generator with observation magnetizing characteristic in the air gap

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6 Citations (Scopus)

Abstract

This paper discusses The Self Excitated Induction Generator (SEIG) by approaching the induction machine, physically and mathematically which then transformed from three-phase frame abc to two-axis frame, direct-axis and quadratur-axis. Based on the reactive power demand of the induction machine, capacitor mounted on the stator of the induction machine then does the physical and mathematical approach of the system to obtain a space state model. Under known relationships, magnetization reactance and magnetizing current is not linear, so do mathematical approach to the magnetization reactance and magnetization current characteristic curve to obtain the magnetization reactance equation used in the calculation. Obtained state space model and the magnetic reactance equation is simulated by using Runge Kutta method of fourth order. The equations of reactance, is simulated by first using the polynomial equation and second using the exponent equation, and then to compare those result between the polynomial and exponent equations. The load voltage at d axis and q axis using the polynomial lags 640µs to the exponent equation. The polynomial voltage magnitude is less than 0.6068Volt from the exponent voltage magnitude.

Original languageEnglish
Pages (from-to)355-365
Number of pages11
JournalInternational Journal of Power Electronics and Drive Systems
Volume5
Issue number3
Publication statusPublished - 1 Jan 2015

Keywords

  • Dq0 transformation
  • Induction machine
  • Magnetization
  • SEIG
  • State space

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