MGVCL Exam Paper (30-07-2021 Shift 1)
Stability of power system can be improved by
1. Reducing voltage of transmission
2. Using parallel transmission lines
3. Using series compensators
Which of the above statements are correct?

2 and 3 only
All 1, 2 and 3
1 and 3 only
1 and 2 only

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MGVCL Exam Paper (30-07-2021 Shift 1)
Insulation Power Factor testing on an oil-filled transformer is not helpful in determining ___

Turns ratio values
Movement of the windings (change in capacitance)
Whether the oil test indicates moisture
Condition of paper insulation (change in watts losses)

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