Question 13106 of 731 · Texas Journeyman Electrician Exam
A balanced three-phase load draws 150 A per phase at 208 volts. What is the minimum transformer kVA required?
Exactly one answer is correct.
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Correct answer to question 13106
- B: 54.0 kVA
Explanation
kVA = E x I x 1.732 / 1,000 = 208 x 150 x 1.732 / 1,000 = 54.0 kVA. Omitting 1.732 gives the single-phase value of 31.2 kVA.
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