MGVCL Exam Paper (30-07-2021 Shift 3)
In which of the following situations, there is no need to provide directional overcurrent protection.

single end fed, parallel feeder
ring main
double end fed, single feeder
single end fed, single feeder

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MGVCL Exam Paper (30-07-2021 Shift 3)
The most commonly used method for the protection of three phase feeder is

None of these
Reverse power protection
Differential protection
Time graded protection

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MGVCL Exam Paper (30-07-2021 Shift 3)
Consider the following statements and choose the correct option.
Statement 1: DVR (Dynamic Voltage Restorer) is a series compensation device.
Statement 2: DVR protects sensitive electric load from power quality problems such as voltage sags, swells, unbalance and distortion through power electronic controllers."
Statement 2: In a synchronous motor, at no-load condition, and with normal excitation the armature current

Both Statement 1 and Statement 2 are TRUE
Both Statement 1 and Statement 2 are FALSE
Statement 1 is TRUE and Statement 2 is FALSE
Statement 1 is FALSE and Statement 2 is TRUE

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