Calculations第 19 / 110 题
What is the full-load secondary current of a 75-kVA, three-phase transformer with a 208-V secondary?
a.156 A
b.180 A
c.208 A
d.90 A
解析
Secondary current = 75,000 / (1.732 x 208) = 208.2 A, about 208 A.
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