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)?

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

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MGVCL Exam Paper (30-07-2021 Shift 2)
A short-shunt dc compound generator supplies 50 A at 300 V. If the shunt field resistance, series field resistance and armature resistance are 30 Ω, 0.03Ω, and 0.05 Ω respectively, determine the e.m.f. generated.

306.5 V
308.5 V
304.5 V
302.5 V

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

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

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