A methodology to predict the lightning insulation strength for distribution transformers by applications of reduced lightning standard impulse voltages

The lightning withstanding of transformers are based on a set of impulse voltage applications with 1.2/50 μs shape, in accordance with international standards. The standard lightning impulse test is a destructive test, in which the transformer insulation strength is predicted by comparisons between...

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Bibliographische Detailangaben

Hauptverfasser:	Lopes, G. P., Martinez, M. L. B., Salustiano, R., Faria, I. P., Telles, V. G. C.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	distribution transformers insulation failure Lightning Lightning impulse test Oil insulation Power transformer insulation short-circuits spark signals Sparks Windings
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