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Classification of Transformers

S Bharadwaj Reddy
Transformers are constructed so that their characteristics match the application for which they are intended. The differences in construction may involve the size of the windings or the relationship between...

Functions of Instrument Transformers (CTs and PTs)

S Bharadwaj Reddy
AC type protective relays are actuated by the current and voltage supplied by the current and potential (voltage) transformers which are generally classified as instrument transformers. Generally instrument transformers are...

Current Transformer Selection, Operation & Maintenance

S Bharadwaj Reddy
Current Transformer: For Selection, Operation, and Inspection & Maintenance In general, large currents (hundreds of amperes) cannot be directly input to powermeters for measuring power. Therefore, the current is passed...

Transformers Interview Questions & Answers

S Bharadwaj Reddy
Why is transformer flux constant? When a load is connected to a transformer current (say I2) flows through secondary coil thus an M.M.F (N2I2) is produced, this produces the secondary...

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