MGVCL Exam Paper (30-07-2021 Shift 1)
Determine the ohmic value of the current limiting reactor per phase external to a 30 MVA, 11 kV, 50 Hz, three phase synchronous generator which can limit the current on short circuit of 5 times the full load current. The reactance of the synchronous generator is 0.05 pu.

0.805 Ω
0.305 Ω
0.605 Ω
0.405 Ω

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MGVCL Exam Paper (30-07-2021 Shift 1)
A thermistor is inherently suitable for temperature measurement involving

high span and low sensitivity
high span and high sensitivity
low span and low sensitivity
low span and high sensitivity

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MGVCL Exam Paper (30-07-2021 Shift 1)
Case 1: The PV connected to the DC bus was injecting 20 kW of power constituting of 1 kW of loss
Case 2: The same PV is connected to the AC bus constituting to 1.5 kW loss. Find out the change in efficiency from Case 1 to Case 2?

5% decrease
2.5% decrease
2.5% increase
5% increase

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