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

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MGVCL Exam Paper (30-07-2021 Shift 2)
____are long-term (hours-long) voltage sags caused by system overload.

Voltage surges
Brownouts
Voltage dips
Black outs

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