Which of the following statements is incorrect?
A) Station batteries are used to operate relay only
B) The lightning arresters are basically surge diverters
C) An impedance relay has maximum fault current when fault occurs near the relay
D) A high speed relay has an operation of 1 to 2 cycles
Correct Answer:
Verified
Q2: Discrimination between main and back up protection
Q3: Induction cup relay is operated due to
Q4: A.C. network analyser is used to solve
Q5: Which of the following statements is incorrect
Q6: To reduce short circuit fault currents are
Q7: Bus coupler is very essential in arrangement
A)single
Q8: For cost and safety, the outdoor substations
Q9: The short circuit in any winding of
Q10: relays are used for phase faults on
Q11: For which of the following protection from
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents