Consider a stator winding of an alternator with an internal

Last updated: 6/9/2023

Consider a stator winding of an alternator with an internal high resistance ground fault The currents under the fault condition are as shown in the figure The winding is protected using a differential current scheme with current transformers of ratio 400 5 A as shown The current through the operating coils is CT ratio 400 5 m 220 j0 A 250 j0 A let CT ratio 400 5 Operating coil