MGVCL Exam Paper (30-07-2021 Shift 2)
Interposing current-transformer (CT) is used in differential protection of a transformer to

minimize the effect of saturation of the main CTs
match the standard ratio of CTs used on both sides of the transformer winding
limit the main CT secondary current
increase the sensitivity of the relay

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

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MGVCL Exam Paper (30-07-2021 Shift 2)
Which one of these is not a monitoring and diagnostic test for transformer oil?

Furanic Compound Analysis
Volatility Level Analysis
Dissolved Metals Analysis
Dissolved Gas Analysis

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