MGVCL Exam Paper (30-07-2021 Shift 2)
In a typical DC micro grid, hybrid storage system is a combination of

Lead acid battery and ultra capacitor / super capacitor
None of these
Lead acid battery and Capacitor
Lead acid battery and Lithium ion battery

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MGVCL Exam Paper (30-07-2021 Shift 2)
In a short circuit test on circuit breaker, time to reach the peak re-striking voltage is 50 µs with the peak restriking voltage of 100 kV. Determine average RRRV (Rate of rise re-striking voltage)?

3 x 10⁶ kV/sec
2 x 10⁶ kV/sec
4 x 10⁶ kV/sec
1 x 10⁶ kV/sec

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MGVCL Exam Paper (30-07-2021 Shift 2)
A given solar cell has the following specifications:
Open-circuit voltage, Voc: 0.7 V
Short-circuit current, Isc: 3 A
Voltage at maximum power, Vmp: 0.5 V
Current at maximum power, Imp : 2.65 A
Calculate the fill factor.

1.58
0.63
1.23
0.81

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MGVCL Exam Paper (30-07-2021 Shift 2)
In circuit breaker, the term MCCB stands for

modern closed circuit breaker
moulded case circuit breaker
miniature case circuit breaker
miniature compact circuit breaker

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