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An unbalanced three-phase wye-connected and grounded load is connected to a balanced three-phase four-wire source. The...

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Electrical Engineering

An unbalanced three-phase wye-connected and grounded load isconnected to a balanced three-phase four-wire source. The loadimpedances are Za = 14+j3 Ω , Zb = 5-j24Ω and Zc =1+j14Ω  and the phase a line voltage has an effective value of18 Kv: use line-to-neutral voltage of phase A as a reference.

Find the line and neutral current, also find the reactive powerdelivered to load and power factor.

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