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

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

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 3)
What are the main challenges that the electric grid faces?

Increase in Energy Demand
Global rise in temperature
All of these
Reliability and Power Quality is Declining

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP