MGVCL Exam Paper (30-07-2021 Shift 2)
If no load is connected to solar PV system,

its voltage will go on increasing till its breakdown
it will stop absorbing light
it will dissipate energy in the panel and increase its temperature
it will start reflecting the light

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MGVCL Exam Paper (30-07-2021 Shift 2)
A three-phase, 12 kV, 50 Hz and 300 kW load is operating at 0.8 pf lag. If the pf is to be improved to unity, using star connected capacitor, the per phase value of the reactive VAR required is:

25 kVAR
75 kVAR
50 kVAR
100 kVAR

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MGVCL Exam Paper (30-07-2021 Shift 2)
The magnitude of the generator earth-fault current is limited by

controlling field exciter
using higher rating CTs
inserting suitable resistance in neutral grounding circuit
inserting the stabilizing resistance in series with the relay

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