Q. 19 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
(A) 0.1875 A
(B) 0.2 A
(C) 0.375 A
(D) 60 kA
Answer:(C)
Explanation:
