The “SF6 in oil – Bushing seal defects” criticality does not envisage a real treatment; the criticality can only be resolved through replacement of the bushing.

The life cycle management of the accessory calls for constant monitoring of the content of SF6 in oil (see prevention) in order to minimise the risk of failure as much as possible and schedule a replacement in complete safety.

Supplementary information

Diagnostics of HV bushings through oil sampling and analysis

Date: November 2017
From: Transformers Magazine Special Edition on Bushings
Language: English
Author: Sea Marconi

Look the solution proposed by Sea Marconi