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Oil-Immersed Transformer Oil Temperature Too High: Causes, Damage Mechanisms and What to Do About It | #transformer

Oil-Immersed Transformer Oil Temperature Too High: Causes, Damage Mechanisms and What to Do About It

Oil-Immersed Transformer Oil Temperature Too High: Causes, Damage Mechanisms and What to Do About It

A rising top-oil temperature on an oil-immersed transformer is the single most useful early warning you will ever get. Left alone, it shortens insulation life, degrades the oil, softens the thermal margin on the windings, pressurises the tank, and eventually turns a local fault into a fire