The next day security analysis performed by the RC shall ensure that _________.
A. the bulk power system can be operated in anticipated normal and contingency conditions
B. all unavailable generation and transmission made available
C. all interchange is scheduled
D. the load forecast is within 5% of actual - correct answer ✔✔the bulk power system can be operated in
anticipated normal and contingency conditions
If the estimated charging incurred from switching a 500 kV line in service is 1.7 MVAR per mile, what
would be incurred if a 100 mile long 500 kV line were switched in service?
A. 85 MVAR
B. 170 MVAR
C. 850 MVAR
D. It cannot be calculated with the information provided - correct answer ✔✔170 MVAR
All of the following are reasons to notify other systems through predetermined communication paths
EXCEPT:
, A. Insufficient resources
B. Lack of single contingency coverage
C. Sabotage incident
D. Loss of 10 MW of load - correct answer ✔✔Loss of 10 MW of load ?
What would be the most likely event if the frequency in your Balancing Authority Area declines and the
interchange out of your area increased?
A. An internal generator tripped
B. An external generator tripped
C. Internal load was lost
D. External load was lost - correct answer ✔✔An external generator tripped
What is the major role of the EMS State Estimator?
A. Identifies the contingencies that exist on the power system
B. Estimates the system load that is anticipated at the peak of the day
C. Calculates SE values based on telemetered data and system model
D. Establishes the values that the system operator must operate within - correct answer ✔✔Calculates
SE values based on telemetered data and system model
Which of the following is NOT an indication of pending voltage collapse?
A. Unusually low system voltages
B. All generators reaching maximum MVAR output
C. Voltages trending high and stable
D. Voltages not responsive to tap changes - correct answer ✔✔Voltages trending high and stable
BA "A" is selling power to BA "C". The two lines between BA "A" and BA "C" suddenly trip and lockout
after two reclosing attempts. The tripping of the lines has caused the line between BA "B" and BA "C" to
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