MGVCL Exam Paper (30-07-2021 Shift 2)
A sudden, non power frequency change in the steady state condition of voltage or current that is bidirectional in polarity is called as

Impulsive transient
Distortion
Harmonic
Oscillatory transients

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MGVCL Exam Paper (30-07-2021 Shift 2)
Which of the following does the term 'feeder automation' include?

automatic reclosing
feeder remote point voltage control
All of these
substation reactive power control

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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)?

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

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