A novel approach to power loss calculation for power transformers supplying nonlinear loads

L. Sima, N. Miteva, K. J. Dagan

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

In this paper, an alternative approach to power loss calculation in a transformer supplying a nonlinear load is presented. The advantage of the proposed approach is that it relies on readily available transformer technical data in contrast to the data required by the methodology described in IEEE std. C57.110–2018. Experimental verification of the proposed approach was carried out using a 4.5kVA laboratory dry type power transformer. The results obtained experimentally show high compatibility with theoretical model featuring an error margin smaller than 0.2%.

Original languageEnglish
Article number109582
JournalElectric Power Systems Research
Volume223
DOIs
StatePublished - Oct 2023

Keywords

  • Current harmonics
  • Nonlinear loads
  • Power transformer
  • Total harmonic distortion
  • Transformer losses

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