Plate values of a three-phase transformer are given below:
1600 kVA, 15 kV / 0,4 kV, 50 Hz, i0 = 1.2%; ukN= 6%, idle losses2450 W, rated power copper losses 14500 W; Dy5 connected..
Calculate the secondary VOLTAGE separately at 75% load in the powerfactor with 0.85 inductance and 0.85 capacity. Compare andinterpret the results. At what times of the day can capacityloading be seen? What solution should be applied to prevent voltagechange?