Power op-amp based active filter design with self adjustable gain control by neural networks for EMI noise problem in induction motor control systems

Kayhan Gulez, Mehmet Uzunoglu, Omer Caglar Onar, Bulent Vural

Research output: Contribution to conferencePaperpeer-review

Abstract

An induction motor control system fed by an AC/DC rectifier and a DC/AC inverter group is a nonlinear and EMI generating load causes harmonic distortions and EMI noise effects in power control systems. In this paper, a simulation model is designed for the control circuit and the harmonic effects of the nonlinear load are investigated using FFT analyses. Also, the EMI noise generated by the switching-mode power electronic devices measured using high frequency spectrum scopes. An LISN based active filter is used to damp the harmonic distortions and EMI noises at the inverter output side in the simulation environment. Neural network based control system is used to tune the power op-amp gain of series active filter to obtain the voltage value stability at the equipment side as well.

Original languageEnglish
Pages3272-3277
Number of pages6
StatePublished - 2005
Externally publishedYes
EventSICE Annual Conference 2005 - Okayama, Japan
Duration: Aug 8 2005Aug 10 2005

Conference

ConferenceSICE Annual Conference 2005
Country/TerritoryJapan
CityOkayama
Period08/8/0508/10/05

Keywords

  • Active Filtering
  • EMI/EMC
  • Harmonics
  • LISN
  • Neural Networks
  • Power Control System

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