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Types of Current Transformers-Overview

Tall instrument transformers

This electrical Current Transformer(CT) training course introduces basic safe operational and field diagnostics of CTs with a focus on safe operation, testing, and maintenance of the CTs’ normally installed in substations.

How are current transformers Classified?

CTs are classified according to structure, service, insulation, and tank design.

Toroidal and wound current-transformer examples
Dead-tank current transformer with grounded tank at its base
Dead Tank CT
Live-tank current transformer with top-mounted tank

live tank CT

Current-transformer marshalling box

CT Console box

It acts as the necessary interface between the equipment and the control room panel. The three-phase control wiring takes place for the purpose of the specific use of the CT.