Question: 3 - phase, 4 0 0 V circuit supplies a Delta - connected load having phase impedances of ZAB = 2 5 angle

3-phase, 400 V circuit supplies a \Delta -connected load having phase impedances of ZAB =
25\angle 0\deg ; ZBC =25\angle 30\deg and ZCA =25\angle 30\deg . Two wattmeters are connected in the circuit to
measure the load power. Determine the wattmeter readings if their current coils are in the
lines (i) A and B (ii) B and C. The phase sequence is ABC. Check whether the total power is
same in both cases

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