Degradation characteristics on MOV of surge arrester used for 6.6kV power distribution line

Abstract

In Japan, porcelain-housed internally gapped lightning surge arresters are applied for 6.6kV distribution lines. A lightning surge arrester is composed of Metal Oxide Varistors (MOVs) and an internal gap, which are installed in a porcelain housing having sealing structure. It is well known that a dominant degradation factor of a surge arrester is follow… (More)

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13 Figures and Tables