Multiple Choice
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
Correct Answer:
Verified
Correct Answer:
Verified
Q7: The main power distribution system of a
Q8: A wye-delta transformer has its _ connected
Q9: An open delta connection is made using
Q10: When single-phase loads are tied to a
Q11: A delta-delta transformer has a primary voltage
Q13: For installations that will have both three-phase
Q14: When connecting three transformers for three-phase use
Q15: A wye-delta transformer has a turns ratio
Q16: A wye-delta transformer has a secondary phase
Q17: A delta-wye transformer has a turns ratio