Modelling multi-limb transformers with an electromagnetic transient program

W. Enright, J. Arrillaga, N.R. Watson and J. Zavahir

Mathematics and Computers in Simulation (MATCOM), 1998, vol. 46, issue 3, 213-223

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.

Date: 1998
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:46:y:1998:i:3:p:213-223

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