Three units of single phase transformers and one single three-phase transformer rating ___________

The transformer which is more feasible to use in the distribution ends should be ___________

For the given circuit, the voltage across the terminal ‘a’ and ‘b’ is?

The voltage across the terminal ‘r’ and ‘y’ is?

The delta-delta connections are used in applications of ___________

Open delta transformers can be obtained from ___________

If one of the transformers is removed from the bank of only delta-delta, then it behaves with 58% power delivery.

Above is the circuit diagram for delta-delta transformer have a transformation ratio ‘k’. The current flowing in the windings of phase r-y in the below diagrams is?

If para magnetic core is used in the place of the ferromagnetic core of the transformer, then magnetostriction will ___________

When we magnetize the ferromagnetic core of the transformer, core length_______ and it ______ when demagnetized.

A 400 V, 10 KVA transformer at 50 Hz, is operated at the frequency of 40 Hz, then the humming ___________

While using three phase transformers, it is taken care about the third harmonics current in the system. This is present when transformer set is delta on either side.

A recording of the output of the emf induced for star and delta are recorded. Then shape of the emf induced in Y-connected 3-phase transformer is non sinusoidal in nature due to ___________

Shape of emf generated by delta connected transformer is not always sinusoidal.