In which fault the maximum short circuit current occurs?

Show More Ask Question

1 Answer

Answer :

In three phase bolted fault the maximum short circuit occurs.

Like 0 like
Next Page →

Related

Description : If the % reactance upto the fault point is 20%, then the short circuit current will be

Answer : If the % reactance upto the fault point is 20%, then the short circuit current will be 5 times the full load current

Answer : Reactance relay is preferred for phase fault on short transmission line.

Description : The armature current on symmetrical 3 phase short circuit of a synchronous machine (salient pole)  (A) has q -axis current only (B) has d -axis current only (C) has both d and q axis currents (D) cannot be divided between q and d axis currents

Answer : The armature current on symmetrical 3 phase short circuit of a synchronous machine (salient pole) has d -axis current only

Description : If the fault current is 6000 A, the relay plug setting is 150% and the CT ratio is 400/5, the plug setting multiplier will be

Answer : If the fault current is 6000 A, the relay plug setting is 150% and the CT ratio is 400/5, the plug setting multiplier will be 10

Answer : The inverse definite mean time relays are used for over current and earth fault protection of transformer against internal short-circuits.