Eddy current add-on for frequency dependent representation of winding losses in transformer models used in computing electromagnetic transients

A. Semlyen, F. De Leon

Research output: Contribution to journalArticlepeer-review

Abstract

A frequency dependent resistance model for the representation of eddy current losses in the windings of three-phase, two or three windings, transformers is presented. It consists of a low order R, L Foster circuit connected in series with any existing transformer model to produce the realistic damping that results from increased losses during transients involving large currents in the windings. This eddy current 'add-on' is easy to realise based on transformer design data or even, in an approximate way, from name plate data. Its significance is demonstrated by comparative simulations.

Original languageEnglish (US)
Pages (from-to)209-214
Number of pages6
JournalIEE Proceedings: Generation, Transmission and Distribution
Volume141
Issue number3
DOIs
StatePublished - May 1994

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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