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Modelling multi-limb transformers with an electromagnetic transient program

Author

Listed:
  • Enright, W.
  • Arrillaga, J.
  • Watson, N.R.
  • Zavahir, J.

Abstract

A generalised formulation of the non-linear behaviour of three-phase multi-limb transformers for use with an electromagnetic transient program is presented. The formulation utilizes direct analysis of a magnetic equivalent circuit to provide a Norton equivalent electrical interface at the transformer terminals. The magnetic equivalent circuit is constructed from a finite number of branches incorporating individual magnetic characteristics and windings. The proposed model is used to compare the operation of a three-phase bank of single-phase transformers and a three-limb three-phase transformer under transient conditions.

Suggested Citation

  • Enright, W. & Arrillaga, J. & Watson, N.R. & Zavahir, J., 1998. "Modelling multi-limb transformers with an electromagnetic transient program," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 46(3), pages 213-223.
    • Handle: RePEc:eee:matcom:v:46:y:1998:i:3:p:213-223
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