Experimental Determination of Specific Power Losses and Magnetostriction Strain of Grain-Oriented Electrical Steel Coils

Thomas Tanzer, Helmut Pregartner, Annette Muetze, Klaus Krischan

Research output: Contribution to journalArticleResearchpeer-review

Abstract

This paper presents a new method for measuring the specific losses and magnetostriction of grain-oriented electrical steel (GOES) coils of up to 6,000 kg. Since large power transformer (LPT) core manufacturers are mainly supplied with entire steel coils, a fast incoming goods inspection is desirable. The proposed method identifies the specific losses of the entire steel coils. In addition, we measured the magnetostriction of the coiled material, which in turn enabled us to classify the main property for LPT no-load noise. Furthermore, we show the structure and setup of the developed coil measurement system (CMS). We provide an explanation of the measurement technique and identify its requirements. Exemplary results of specific power losses and magnetostriction of steel coils are provided and the reproducibility of the results is shown.

LanguageEnglish
Pages1235-1244
Number of pages10
JournalIEEE Transactions on Industry Applications
Volume54
Issue number2
Early online date21 Mar 2018
DOIs
StatusPublished - Mar 2018

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Magnetostriction
Steel
Power transformers
Inspection

Keywords

  • Grain-oriented electrical steel
  • large power transformers
  • magnetostriction
  • measurement system
  • piezoelectric acceleration transducer
  • specific losses
  • steel coils

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

Cite this

Experimental Determination of Specific Power Losses and Magnetostriction Strain of Grain-Oriented Electrical Steel Coils. / Tanzer, Thomas; Pregartner, Helmut; Muetze, Annette; Krischan, Klaus.

In: IEEE Transactions on Industry Applications, Vol. 54, No. 2, 03.2018, p. 1235-1244.

Research output: Contribution to journalArticleResearchpeer-review

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