The transient phenomenon lasts in a power system for a period ranging from 

  • AFew ms to 1 s.
  • B1 s  to  2 s.
  • C2 s  to  3 s.
  • DGreater than 3 s. 
Correct Answer : (A)

Few ms to 1 s.

Hints :

The most serious consequence of a major uncleared short-circuit fault could be


Which of the following results in a symmetrical fault?

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