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Tap-changer know-how: Hermetical sealing of transformers and tap-changers

Rainer Frotscher ; Maschinenfabrik Reinhausen, Germany

Puni tekst: engleski pdf 4.744 Kb

str. 24-29

preuzimanja: 534



Oil-filled electrical apparatus must be able to handle a certain thermal expansion of the oil, which is caused by varying oil temperatures due to load changes and/or fluctuations in ambient temperature. This article provides an overview of sealing methods for transformers and tap-changers, discussing also appropriate tap-changer protection techniques.

Ključne riječi

power transformer, on-load tap-changer, OLTC, sealed tank, transformer oil, transformer liquid

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Posjeta: 899 *