Which type of connection is made in distribution transformer? All Questions › Category: Transmission And Distribution System › Which type of connection is made in distribution transformer? 0 Vote Up Vote Down chetan shidling asked 5 years ago I need short information. 1 Answers 0 Vote Up Vote Down chetan shidling answered 5 years ago The delta star type connection is made in distribution transformer. Distribution transformer is step down transformer which step downs the voltage from 11KV to 440 volts.