MGVCL Exam Paper (30-07-2021 Shift 3)
The most commonly used method for the protection of three phase feeder is

Reverse power protection
Differential protection
Time graded protection
None of these

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 3)
The DC offset in fault current causes conventional over-current (OC) relays to :

over-reach
under-reach
reach remains unaffected due to DC offset
sometimes under-reach and sometimes over-reach

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP