For a delta-star three phase transformer, if the transformation ratio – McqOptions

MCQOPTIONS

1.	For a delta-star three phase transformer, if the transformation ratio is x:1 , then how much percent of output will be improved?
A.	73%
B.	57%
C.	173%
D.	157%
Answer» B. 57%

Discussion

No Comment Found

Related MCQs

Identify the correct order for the voltage transformation for the three-phase transformers.
For a star-delta three phase transformer, if the transformation ratio is x:1 , then how much percent of output will be?
For a delta-star three phase transformer, if the transformation ratio is x:1 , then how much percent of output will be improved?
In three phase supply, the voltage phases are displaced by ________ and in two phase by ___________
Operating transformers in parallel gives the advantage of ___________
Two single phase transformers A and B are operating in parallel having different impedance and identical x/r ratio. Impedance of A is Za and impedance of B is Zb, both sharing a load of Sl. Then the load shared by transformer B is?
Two single phase transformers A and B are operating in parallel having different impedance and identical x/r ratio. Impedance of A is Za and impedance of B is Zb, both sharing a load of Sl. Then the load shared by transformer A is?
Two single phase transformers A and B are operating in parallel having different impedance and identical x/r ratio. Also impedance of A is more than that of B, then?
Two single phase transformers A and B are operating in parallel having different impedance and identical x/r ratio. Also impedance of A is more than that of B, then A ___________
Two single phase transformers A and B are operating in parallel having different impedance and identical x/r ratio. Then?