MGVCL Exam Paper (30-07-2021 Shift 1)
What are the states of the three ideal diodes of the circuit shown in figure ?

D1 OFF, D2 ON, D3 OFF
D1 OFF, D2 ON, D3 ON
D1 ON, D2 OFF, D3 ON
D1 ON, D2 OFF, D3 OFF

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MGVCL Exam Paper (30-07-2021 Shift 1)
A grid interactive solar system:

always receives power from the grid
always supplies power to the grid
works only when the grid fails
supplies power to as well as receives power from the grid as required

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MGVCL Exam Paper (30-07-2021 Shift 1)
___ is the short time reduction in the rms voltage between 0.1 to 0.9 p.u for a duration of ___

Voltage swell, 0.5 cycle to 1 minute.
Voltage sag, 0.5 cycle to 1 minute.
Voltage sag, greater than 1 minute
Voltage swell, greater than 1 minute

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