A current transformer is an instrumentation transformer that is used for protection and measurement purposes in electrical power systems.

Current transformer basics Handbook by Digital Library of Electrical and Electronics Engineering.

List of topics in this book:

  1. The basic working of CT
  2. Schematic diagram of its working
  3. How does it look
  4. The industry standard of CT
  5. Schematic diagram
  6. Variant models
  7. Applications