A three phase power transformer having a line voltage ratio of 400 V to 33 kV is connected in star-delta. The C.T.s on 400 V side have current ratio as 1000/5. What must be the C.T. ratio on 33 kV side. Assume current on 400 V side of transformer to be 1000 A.

Q: A 25 KVA single phase transformer has turns ratio of 100/29. If low voltage side is connected to 250…

A: Solution: Given data; KVA =25 KVA, single phase transformer ; turns ratio=N1N2…

Q: 7. What is the no-load voltage when the full-load secondary voltage is 108 V and transformer…

A: Given: In a transformer, Full load secondary voltage V2fl=108 V. Transformer regulation VR=10%.

Q: Three single phase transformers are connected in a Delta-Wye configuration.  Each transformer is…

A:

Q: QUESTION 12 A single phase 600v/120v transformer has a load of 30 ohms resistive and 20 ohms…

A:

Q: B)-Draw the connection diagram of three-phase with Y-D connection and give the mathematical…

A:

Three-Phase Transformers

Three-segment transformers are a type of transformer used to transform voltages of electrical systems into three ranges. Two type transformers are shell-type transformer and core type transformer. In brief, it could be described because of the exquisite kinds of configurations.

Transformer

Ever since electricity has been created, people have started using it in its entirety. We see many types of Transformers in the neighborhoods. Some are smaller in size and some are very large. They are used according to their requirements. Many of us have seen the electrical transformer but they do not know what work they are engaged in.