NERC TOP System Operations EXAM QUESTIONS AND ANSWERS | UPDATED 2023/24

NERC TOP System Operations EXAM QUESTIONS AND ANSWERS | UPDATED 2023/24 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 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. 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 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 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 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 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 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 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 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. 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 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 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 _______________ aware of sabotage events on its facilities and multi-site sabotage affecting larger portions of the Interconnection. A) Regional Reliability Organizations B) DOE C) NERC D) their operating personnel their operating personnel NERC requires each Reliability Coordinator, Balancing Authority, Transmission Operator, Generator Operator and Load Serving Entity to establish communications contacts, as applicable with local Federal Bureau of Investigation (FBI) or Royal Canadian Mounted Police (RCMP) officials and develop _____________ as appropriate to their circumstances. A) media relations B) reporting procedures C) governmental operating guidelines D) step by step procedures to stop the sabatoge reporting procedures In the event of sabotage on the transmission or generation system, it is highly likely that the procedure developed for CIP-001 will include the Disturbance Reporting procedure your organization has developed in response to NERC Standard category ________. A) EOP B) TOP C) CIP D) IRO EOP Disturbance events that are suspected to be caused by sabotage, shall be reported to _____________. A) the appropriate systems B) governmental agencies C) regulatory bodies D) appropriate systems, governmental agencies and regulatory bodies appropriate systems, governmental agencies and regulatory bodies Of the following events, which is most LIKELY to be reported as sabotage? A) Guy wires are cut on transmission towers on two separate lines at about the same time. B) Several insulator strings on a span of transmission lines have been damaged by gunshots. C) On a transmission line with "H-frame" construction, one wood pole in a newly plowed field is cut nearly all the way through at the ground-line. D) A pole-top distribution transformer has lost most of its oil through a bullet hole. Guy wires are cut on transmission towers on two separate lines at about the same time. The one word that is used to distinguish the difference between vandalism and sabotage is ______________. A) premeditation B) results C) intent D) consequences intent On a mild spring day, a transmission line trips. The line then trips again when energized. Which of the following is LEAST likely to be the problem?