Emergency Operations - C Flashcards
When system conditions are such that emergency procedures are expected to be implemented, which of the following actions should be considered first?
A. Request a voltage reduction
B. Shed firm load
C. Implement active load management
D. Return outage equipment to service
D. Return outage equipment to service
Which of the following is NOT a valid reason for maintaining minimum generator sources before energizing EHV lines during a system restoration
A. Transient over voltage caused by traveling wave phenomena
B. Maintaining transient stability margins to prevent cascading outages
C. Reduction in proper relaying protection reliability due to insufficient fault current
D. Stead-state over voltage caused by excessive var supply from the capacitive rise
B. Maintaining transient stability margins to prevent cascading outages
Which of the following actions would NOT have been implemented by a deficient Balancing Authority prior to requesting an Energy Emergency Alert 3?
A. Schedule all generation
B. Load shed
C. Voltage reduction
D. Implement ALM
B. Load shed
Which of the following must each Transmission Operator ensure the availability and location of within its area to meet the needs of the restoration plan?
A. Black start capability
B. Sufficient generation
C. Reactive reserves
D. Transmission paths
A. Black start capability
Which condition is NOT required for Reliability Coordinator to declare an Energy Emergency Alert 1?
A. Balancing Authority or Load Serving Entity has shed Firm Load
B. Non-firm wholesale energy sales ( other than those that are recallable to meet reserve requirements) have been curtailed.
C. Balancing Authority, Reserve Sharing Group, or Load Serving Entity is concerned about sustaining its required Operating Reserves.
D. Balancing Authority, Reserve Sharing Group, or Load Serving Entity foresees or is experiencing conditions where all available resources are committed to meet firm load, firm transactions, and reserve commitments
A. Balancing Authority or Load Serving Entity has shed Firm Load
Who is the only entity that can declare an Energy Emergency Alert?
A. Balancing Area
B. Load Serving Entity
C. Reliability Coordinator
D. Transmission Provider
C. Reliability Coordinator
Which of the following is the best reason for utilizing a frequency based automatic load restoration scheme?
A. To avoid over-frequency from over-shedding
B. To avoid sustained under-voltage
C. To avoid sustained over-voltage
D. To avoid under-frequency from under-shedding
A. To avoid over-frequency from over-shedding
Which of the following situations would be an appropriate reason to manually shed load?
A. Continuous drop in frequency
B. Regulating reserve deficiency
C. Provide emergency assistance to external parties
D. High system transfers
A. Continuous drop in frequency
When energizing transmission lines during power system reconstruction which of the following factors do you most need to consider?
A. Admittance
B. Natural Capacitance
C. Inductive Reactance
D. Resistance
B. Natural Capacitance
Which EEA is used to announce the change in transmission service priority?
A. EEA 1.
B. EEA 3
C. EEA 2
D. EEA 0
A. EEA 1
Your system has experienced a system shutdown and you are in the process of restoring your system, A generator in a particular area of your system is pushing MVAR out to the system. As you restore another transmission line in the same area, without restoring any additional load, what would be the expected impact on the generator during the line restoration?
A. MW and MVAR output would remain unchanged
B. MVAR output would increase
C. MW output would increase
D. MVAR output would decrease
D. MVAR output would decrease
Which condition applies when a Reliability Coordinator declares an Energy Emergency Alert 3?
A. All available resources in use
B. System has IROL violations
C. Firm load interruption imminent or in progress
D. Load management procedures in effect
C. Firm load interruption imminent or in progress
What step is not required before a Balancing Authority can request it Reliability Coordinator to declare an EEA 2 Alert?
A. Deploy all available operating reserve
B. Shed firm load
C. Request emergency assistance from other BAs
D. Reduce load through public appeals voltage reduction, curtail interruption loads and firm loads
B. Shed firm load
When restoring a system following an is-landed condition, the system operator should
A. Be sure that adequate relaying is in service.
B. shed customer load
C. Disarm load shedding schemes
D. Make sure that maintenance is coordinated between Balancing Authorities
A. Be sure that adequate relaying is in service
Which of the following is the best equipment to use to synchronize a large synchronus generator to the power system?
A. Synchroscope
B. Phase rotation relay
C. Voltage magnitude comparison
D. Synch-check relay
A. Synchroscope
