A CT with an excitation curve given in Figure 10.39 has a
Chapter , Problem 10.5(choose chapter or problem)
A CT with an excitation curve given in Figure 10.39 has a rated current ratio of 500: 5 A and a secondary leakage impedance of 0:1 _ j0:5 W. Calculate the CT secondary output current and the CT error for the following cases: (a) The impedance of the terminating device is 4:9 _ j0:5 W and the primary CT load current is 400 A. (b) The impedance of the terminating device is 4:9 _ j0:5 W and the primary CT fault current is 1200 A. (c) The impedance of the terminating device is 14:9 _ j1:5 W and the primary CT load current is 400 A. (d) The impedance of the terminating device is 14:9 _ j1:5 W and the primary CT fault current is 1200 A
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