A wye-delta transformer has a turns ratio of 2:1. It has a secondary line voltage of 480 V. The secondary is connected to a wye-connected three-phase resistive load of 50 Ω in each phase. What is the primary phase current?
A) 1.6 A
B) 1.924 A
C) 2.77 A
D) 3.2 A

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The Answer of A wye-delta transformer has a turns ratio of 2:1. It has a secondary line voltage of 480 V. The secondary is connected to a wye-connected three-phase resistive load of 50 Ω in each phase. What is the primary phase current?
A) 1.6 A
B) 1.924 A
C) 2.77 A
D) 3.2 A

A Wye-Delta Transformer Has a Turns Ratio of 2:1