MGVCL Exam Paper (30-07-2021 Shift 3)
The sending end and receiving end voltages of the short transmission line are 150 kV and 120 kV respectively. Calculate its percentage voltage regulation.

30%
40%
25%
20%

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MGVCL Exam Paper (30-07-2021 Shift 3)
A star connected synchronous generator rated at 500 MVA, 50 kV has a reactance of 0.5 pu. Find the ohmic value of the reactance.

1 Ω
0.25 Ω
2.5 Ω
0.1 Ω

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MGVCL Exam Paper (30-07-2021 Shift 3)
Which of the following statements are correct?
(i) Advanced metering infrastructure (AMI) is typically more automated and allows real- time, on-demand interrogations with metering endpoints.
(ii) An Automated Meter Reading (AMR) device only communicates from the customer to the energy supplier.
(iii) AMR meters only provide kWh information and possible peak kW demand for the month.

(i) and (ii) only
(i), (ii) and (iii)
(i) and (iii) only
(ii) and (iii) only

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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
single end fed, single feeder
single end fed, parallel feeder
double end fed, single feeder

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