For the protection of transformers, harmonic restraint is used to guard against
A) Magnetising inrush current
B) Unbalanced operation
C) Lightning
D) Switching over-voltage
Correct Answer:
Verified
Q2: The most commonly used method for the
Q3: Which is the pilotless protection method for
Q4: Time graded protection of a radial feeder
Q5: Pilot-wire protection scheme is the most economical
Q6: Problems associated with differential protection is/are
A)Magnetising inrush
Q8: The types of faults that occur in
Q9: The main function of under voltage protective
Q10: The bias factor S in unit protection
Q11: In a balanced voltage pilot wire protection
Q12: In a balanced voltage pilot-wire protection scheme,
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