MGVCL Exam Paper (30-07-2021 Shift 3)
In which of the following situations, there is no need to provide directional overcurrent protection.

ring main
double end fed, single feeder
single end fed, single feeder
single end fed, parallel feeder

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

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

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MGVCL Exam Paper (30-07-2021 Shift 3)
Which among these components connects to physical equipments of the distribution system?

Communication infrastructure
Remote Terminal Unit
Central control room with host computers
None of these

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MGVCL Exam Paper (30-07-2021 Shift 3)
Continuous and rapid variations in the load current magnitude which causes voltage variations is known as

Harmonics
Voltage sag
Flicker
Voltage distortion

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

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

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