Multiple Choice
The inverse definite mean time relays are used for over current and earth fault protection of transformer against
A) Heavy loads
B) Internal short circuits
C) External short circuits
D) All of the above
Correct Answer:
Verified
Correct Answer:
Verified
Q9: Zero sequence current is used for relaying
Q10: Admittance relay<br>A)Nondirectional relay<br>B)Directional relay<br>C)Differential relay<br>D)None of the
Q11: Where severe synchronising swing occur, the relay
Q12: Interruption of large currents by relay requires<br>A)Arc
Q13: For the protection of lines against faults
Q15: ............. Relays are used for phase faults
Q16: Relays can be designed to respond to
Q17: DC shunt relays are made of<br>A)Few turns
Q18: Which one of the following relay has
Q19: Which relay is used to detect and