What are the types of transformer core? All Questions › Category: Electrical Machines › What are the types of transformer core? 0 Vote Up Vote Down CS Electrical And Electronics Staff asked 4 years ago I need short information. 2 Answers 0 Vote Up Vote Down Siddhant Mendhe answered 4 years ago Primary and secondary type 0 Vote Up Vote Down Chetan Shidling answered 4 years ago Based on construction core type and shell type.