NERC Transmission Practice Test – Flashcards

Which type of relay operates on the premise of comparing the flow in and out of the area of protection?

Underfrequency load shedding is set-up so that which of the following does NOT occur?

Who is responsible to make sure that the operation of voltage control equipment is coordinated with other impacted entities?

The coordination of voltage schedules by system operators would be utilized to reduce all of the following EXCEPT

What should a system operator expect to see if the generator increases its excitation?

A transmission line between Bus A and Bus B has MW flow from Bus B to Bus A. After the tripping of a parallel line, the line flow from Bus B to Bus A exceeds the lines thermal rating. Which of the following actions would assist the operator in correcting the problem?

What is a major concern for a System Operator during emergency conditions?

If your system has lost a large amount of customer load due to a system disturbance, but has remained connected to all of your neighbors, what is the best solution to consider?

You report for work on a peak summer day with expected high temperatures and load. What can you do to maintain an adequate system voltage profile?

If a Balancing Authority is unable to calculate ACE for more than _________ minutes it shall notify its Reliability Coordinator.

Your system configuration presents you with a situation of having two parallel lines between two stations. The lines have different ratings. Line A has a rating of 250 MVA, while line B has a rating of 200 MVA. Based on the line ratings, what is the first contingency transfer capability between the two stations?