NERC TOP System Operations with all Correct & 100%
Verified Answers |Actual Complete Update |Already
Graded A+
At what torque angle of operation does power typically begin to flow from the generator to the
system?
A) 90 degrees
B) 60 degrees
C) 30 degrees
D) 10 degrees ✔Correct Answer-10 degrees
Choose the answer that best describes the operation of a rotor.
A) The stationary part of the transmission system.
B) A type of superconductor.
C) The stationary element of a generator that has its windings connected to the system.
D) The excited (energized) field winding that rotates inside the stator to induce current into the
stator windings. ✔Correct Answer-The excited (energized) field winding that rotates inside the
stator to induce current into the stator windings.
In a system that is more capacitive than inductive, the current sine wave will ______ the voltage sine
wave with tends to ___________ voltage.
A) lag; raise
B) lead; raise
C) lead; lower
D) lag; lower ✔Correct Answer-lead; raise
Sustained operation with a power angle or torque angle above ______ can lead to system instability.
A) 10 degrees
B) 90 degrees
C) 120 degrees
D) 360 degrees ✔Correct Answer-90 degrees
Which of the following conditions may cause transient instability in the power system?
A) When the power angle increases to 90 degrees or more.
B) When a disturbance causes momentary power angle excursions greater than 90 degrees.
C) When heavy power transfers occur in the system, such as when there is a loss in generation.
D) All of the above ✔Correct Answer-All of the above
Which of the following is a method that Reliability Coordinators and Balancing Authorities may use to
manage transmission outages?
A) Coordinate and adhere to voltage schedules to minimize reactive power flow.
B) Optimize the use of Load Tap Changer transformers, capacitors, and reactors.
, C) Verify voltage control equipment are on automatic to supply the required voltage support.
D) All of the above ✔Correct Answer-All of the above
When a large generator on an Interconnection trips off line, the ____________ of the
Interconnection ____________.
A) frequency; drops
B) transformer temperature; drops
C) AVRs; drops
D) voltage; increases ✔Correct Answer-frequency; drops
A(n) ___________ is the value that satisfies the most limiting of the prescribed operating criteria for
a specified system configuration to ensure operation within acceptable reliability criteria.
A) System Operating Limit
B) Circuit Overload
C) System Overload Limit
D) Interconnection Reliability Operating Limits ✔Correct Answer-System Operating Limit
Generator ratings specify the __________ and ___________ at which they can operate safely.
A) temperature; voltage
B) torque angle; voltage
C) System Operating Limits; Interconnection Operating Limits
D) voltage; frequency ✔Correct Answer-voltage; frequency
Which of the following is one of the criteria used to determine the System Operating Limit?
A) Setting appropriate voltage levels to withstand various contingencies.
B) Identifying equipment minimum loading capabilities.
C) Recognizing operator limitations.
D) Identifying how transformers respond to severe fluctuations in frequency. ✔Correct Answer-
Setting appropriate voltage levels to withstand various contingencies.
NERC Standard CIP-001 is applicable to which of the following entities?
A) Generator Operators and Load Serving Entities
B) Balancing Authorities and Transmission Operators
C) All of the choices provided
D) Reliability Coordinators ✔Correct Answer-All of the choices provided
Sabotage events are often difficult to identify, therefore, entities are required to have __________
available for operating personnel.
A) procedures
B) contact information
C) FBI or RMCP
D) displays ✔Correct Answer-procedures
NERC requires each Reliability Coordinator, Balancing Authority, Transmission Operator, Generator
Operator, and Load Serving Entity shall have procedures for the recognition of and for making
Verified Answers |Actual Complete Update |Already
Graded A+
At what torque angle of operation does power typically begin to flow from the generator to the
system?
A) 90 degrees
B) 60 degrees
C) 30 degrees
D) 10 degrees ✔Correct Answer-10 degrees
Choose the answer that best describes the operation of a rotor.
A) The stationary part of the transmission system.
B) A type of superconductor.
C) The stationary element of a generator that has its windings connected to the system.
D) The excited (energized) field winding that rotates inside the stator to induce current into the
stator windings. ✔Correct Answer-The excited (energized) field winding that rotates inside the
stator to induce current into the stator windings.
In a system that is more capacitive than inductive, the current sine wave will ______ the voltage sine
wave with tends to ___________ voltage.
A) lag; raise
B) lead; raise
C) lead; lower
D) lag; lower ✔Correct Answer-lead; raise
Sustained operation with a power angle or torque angle above ______ can lead to system instability.
A) 10 degrees
B) 90 degrees
C) 120 degrees
D) 360 degrees ✔Correct Answer-90 degrees
Which of the following conditions may cause transient instability in the power system?
A) When the power angle increases to 90 degrees or more.
B) When a disturbance causes momentary power angle excursions greater than 90 degrees.
C) When heavy power transfers occur in the system, such as when there is a loss in generation.
D) All of the above ✔Correct Answer-All of the above
Which of the following is a method that Reliability Coordinators and Balancing Authorities may use to
manage transmission outages?
A) Coordinate and adhere to voltage schedules to minimize reactive power flow.
B) Optimize the use of Load Tap Changer transformers, capacitors, and reactors.
, C) Verify voltage control equipment are on automatic to supply the required voltage support.
D) All of the above ✔Correct Answer-All of the above
When a large generator on an Interconnection trips off line, the ____________ of the
Interconnection ____________.
A) frequency; drops
B) transformer temperature; drops
C) AVRs; drops
D) voltage; increases ✔Correct Answer-frequency; drops
A(n) ___________ is the value that satisfies the most limiting of the prescribed operating criteria for
a specified system configuration to ensure operation within acceptable reliability criteria.
A) System Operating Limit
B) Circuit Overload
C) System Overload Limit
D) Interconnection Reliability Operating Limits ✔Correct Answer-System Operating Limit
Generator ratings specify the __________ and ___________ at which they can operate safely.
A) temperature; voltage
B) torque angle; voltage
C) System Operating Limits; Interconnection Operating Limits
D) voltage; frequency ✔Correct Answer-voltage; frequency
Which of the following is one of the criteria used to determine the System Operating Limit?
A) Setting appropriate voltage levels to withstand various contingencies.
B) Identifying equipment minimum loading capabilities.
C) Recognizing operator limitations.
D) Identifying how transformers respond to severe fluctuations in frequency. ✔Correct Answer-
Setting appropriate voltage levels to withstand various contingencies.
NERC Standard CIP-001 is applicable to which of the following entities?
A) Generator Operators and Load Serving Entities
B) Balancing Authorities and Transmission Operators
C) All of the choices provided
D) Reliability Coordinators ✔Correct Answer-All of the choices provided
Sabotage events are often difficult to identify, therefore, entities are required to have __________
available for operating personnel.
A) procedures
B) contact information
C) FBI or RMCP
D) displays ✔Correct Answer-procedures
NERC requires each Reliability Coordinator, Balancing Authority, Transmission Operator, Generator
Operator, and Load Serving Entity shall have procedures for the recognition of and for making
