RIP Bushing Service Experience & Replacement Strategy at TNB

19 Oct 2022
14:00
Munich Conference Room

RIP Bushing Service Experience & Replacement Strategy at TNB

Failure statistics show that bushings are a main contributor to transformer failure and can have a potentially catastrophic impact on system reliability and safety. Despite industry efforts to proactively implement more condition-based maintenance to detect impending failures, migration to a safer dry bushing was deemed necessary at one large TSO to manage impact and risk linked to conventional oil-based bushing technology. The presentation shares that grid’s practical experience and lessons learned during this migration process and also details related improvements in specifications and procedures.

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