These are basically distribution transformers. Dry type transformers are preferred to oil cooled transformer, in place where there is fire hazards e.g. thickly dense area like Big-Store, Multistory Building, theatres etc....
Electrical transformers, or simply transformers are the electrical devices meant for transforming the electric energy. The basic function of a transformer is to alter the voltage, usually from high to low. In other words, a transformer solves the purpose of transiting the power...