Question: A four-wire wye-wye circuit has Van = 120120, Vbn = 120 0 Vcn = 120 120 V If the impedances are ZAN = 20 60,

A four-wire wye-wye circuit has
Van = 120∠120°, Vbn = 120 ∠0°
Vcn = 120 ∠−120° V
If the impedances are
ZAN = 20 ∠60°, ZBN = 30 ∠0°
Zcn = 40 ∠30°Ω
find the current in the neutral line.

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