Critical induction – a key quantity for the optimisation of transformer core operation

No-load losses P of transformers core have been considerably decreased through introduction of the so-called multi-step-lap designs. However, profound guidelines for the optimum step-number N do not exist. This study shows that the combination of both N and working induction B characterises the flux...

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Veröffentlicht in:Journal of magnetism and magnetic materials 2000-06, Vol.215, p.637-640
Hauptverfasser: Ilo, A, Pfützner, H, Nakata, T
Format: Artikel
Sprache:eng
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Zusammenfassung:No-load losses P of transformers core have been considerably decreased through introduction of the so-called multi-step-lap designs. However, profound guidelines for the optimum step-number N do not exist. This study shows that the combination of both N and working induction B characterises the flux distribution. Transformer cores can operate in an over or an under-critical way depending on N and B.
ISSN:0304-8853
DOI:10.1016/S0304-8853(00)00248-1