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 3 phase circuit question Last Post 12 Sep 2014 04:27 AM by lee xuan. 0 Replies. Sort: Oldest First Most Recent First
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lee xuan

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 12 Sep 2014 04:27 AM An Unbalanced DELTA connected load is connected to a 415 V, 50 Hz supply. The line voltages are: VAB = 415-30 V, VBC = 41590 V and VCA = 415-150 V If the Phase Impedances are : ZAB = 3 – j4 , ZBC = 12 + j5  and ZCA = 8 + j6 . Determine: (i) the magnitude and angle of line currents of IA, IB IC; (ii) the total power PT dissipated by the load in kW; (iii) the total reactive power QT of the load in kVAr; (iv) the total apparent power ST of the load in kVA.
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