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A Harmonic Transfer Function Model for a Diode Converter Train

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Author

Summary, in English

A method for analysis of electric networks with nonlinear and switching components is presented. The method is based on linearization around the nominal AC voltage, which results in linear time periodic (LTP) models. For nonlinear and switching components, there is coupling between different frequencies, which may cause stability and resonance problems. The models capture this coupling and can thus be used for small signal stability and robustness analysis. A short introduction to transfer functions for LTP systems is given. To illustrate the method, an LTP model for the Adtranz locomotive Re 4/4 is derived. The system consists of an AC-side with a transformer, and a DC-side with a DC motor and a smoothing choke. The AC-side and the DC-side are connected by a diode bridge rectifier. The model clearly shows the coupling between frequencies

Publishing year

2000

Language

English

Pages

957-962

Publication/Series

IEEE Power Engineering Society Winter Meeting, 2000.

Volume

2

Document type

Conference paper

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Control Engineering

Keywords

  • harmonic distortion
  • harmonic analysis
  • power conversion harmonics
  • power semiconductor diodes
  • power semiconductor switches
  • railways
  • rectifying circuits
  • switching circuits
  • transfer functions
  • bridge circuits
  • electric locomotives
  • AC-DC power convertors

Status

Published

ISBN/ISSN/Other

  • ISBN: 0-7803-5935-6