Properties of transformer oil

Transformer oil is one of the very important component in oil immersed transformers. The life expectancy and satisfactory operation of transformers are mainly depend on the oil in which is immersed.

The transformer oil performs two very important functions.

1. It creates an acceptable level of insulation in combination with the insulating materials used in the conductors and coils.

2. It also acts as a coolant to extract heat from the core and the windings.