What are the instrument transformer? All Questions › Category: Switchgear And Protection › What are the instrument transformer? 0 Vote Up Vote Down Chetan Shidling Staff asked 4 years ago I need short information. 1 Answers 0 Vote Up Vote Down Chetan Shidling Staff answered 4 years ago The types of instrument transformer are: 01. Current transformer – To measure high current 02. Potential transformer – To measure high voltage