Multiple Choice
In distance protection, the relay measures
A) Negative sequence impedance of the light from relay up to the fault point
B) Positive sequence impedance of the line from relay up to the fault point
C) Self impedance of the line from relay up to the fault point
D) Zero sequence impedance of the line from relay up to the fault point
Correct Answer:
Verified
Correct Answer:
Verified
Q10: Overfluxing protection is recommended for<br>A)Distribution transformer<br>B)Generator transformer
Q11: The operating speed of a relay depends
Q12: Least number of faults are generally reported
Q13: Short-circuit currents are due to<br>A)Single phase to
Q14: Inverse time current relays are used for
Q16: IDMT relays are used to protect the
Q17: For which of the following protection from
Q18: Hey switchgear is device used for<br>A)Interrupting an
Q19: For the protection of power station buildings
Q20: The line insulation is............. the insulation level