Q. Three equal impedance are first connected in star across balanced three phase up connected in delta across the same supply

A
Phase current will be tripled l
B
Phase current will be doubled
C
Lane current will become one third
D
Power consumed will increase three fold
Solution:

Star Connection in a 3 Phase System. In the Star Connection, the similar ends (either start or finish) of the three windings are connected to a common point called star or neutral point. The three line conductors run from the remaining three free terminals called line conductors. when Three equal impedance are first connected in star across balanced three phase up
connected in delta across the same supply the power will increased 3 times

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