Tag Archives: Oil-Immersed Transformers

Oil Surge Relay: A Critical Protection Device for Oil-Immersed Transformers

Evernew-branded Oil Surge Relay (OSR), a key protection component for transformers supplied to the USA, Canada, UK, and Australia.

In the world of electrical power, reliability and safety aren’t just buzzwords—they’re non-negotiable. While large oil-immersed transformers are the backbone of our grids, they face constant threats from internal faults. When a sudden short circuit or an arc happens inside a transformer, the event can be catastrophic, leading to extensive damage and long-term blackouts. This […]