Which type of relay operates on the premise of comparing the flow in and out of the area of
protection? - ANSWER Differential relay
Underfrequency load shedding is set-up so that which of the following does NOT occur? -
ANSWER Uncontrolled separation
Who is responsible to make sure that the operation of voltage control equipment is
coordinated with other impacted entities? - ANSWER Transmission Operator
The coordination of voltage schedules by system operators would be utilized to reduce all of
the following EXCEPT - ANSWER Reactive inadvertent
What should a system operator expect to see if the generator increases its excitation? -
ANSWER An increase in MVAR output
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? -
ANSWER Increase generation at Bus A
What is a major concern for a System Operator during emergency conditions? -
ANSWER System remains connected to the Interconnection
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protection? - ANSWER Differential relay
Underfrequency load shedding is set-up so that which of the following does NOT occur? -
ANSWER Uncontrolled separation
Who is responsible to make sure that the operation of voltage control equipment is
coordinated with other impacted entities? - ANSWER Transmission Operator
The coordination of voltage schedules by system operators would be utilized to reduce all of
the following EXCEPT - ANSWER Reactive inadvertent
What should a system operator expect to see if the generator increases its excitation? -
ANSWER An increase in MVAR output
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? -
ANSWER Increase generation at Bus A
What is a major concern for a System Operator during emergency conditions? -
ANSWER System remains connected to the Interconnection
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