Structure

This is an extremely large closed type or sealed type transformer. The structure of this transformer has high endurance and its cooling equipment is called radiator fin. 

Conservator

Inside the transformer body, there is a spare oil tank or a conservator. This conservator is equipped with rubber bag to prevent a direct contact between oil and atmospheric air. 

On load tap changer

On load tap changer facilitates users to adjust the tap and handle the fluctuation of primary voltage while the transformer is still operating. 

Controlling equipment

There’s a controlling set for user’s command and remote display to the control station.