AND SOLUTIONS RATED A+
✔✔There are two transmission lines that have to be switched into service. Both lines
are 500 KV lines and are identical in conductor construction. Line A is 100 miles long,
while line B is 75 miles long. Which line will incur more charging when energized?
A. Line A
B. Line B
C. Neither, they will both be the same
D. Lying charging is not a concern when switching lines in service - ✔✔A. Line A
✔✔An abnormally high voltage situation on a system can be corrected by
A. Removing capacitors
B. Directing generation to increase their VAR output
C. Reducing load
D. Decreasing power flow transfers - ✔✔A. Removing capacitors
✔✔Each RC, TOP, and BA shall have ____ for when there is a loss of interpersonal
communications capability.
A. A burst messaging system
B. Alternative communication capability
C. Multiple backup phone systems
D. Industrial rated satellite phones - ✔✔B. Alternative communication capability
✔✔According to NERC standards, RCs, TOPs, BAs, GOPs, and LSEs can submit a
report for a sabotage event on which of the following reports?
A. Event reporting form or DOE-OE-407
B. DOE -OE-407 or EEA 3 report
C. Event reporting form or DOE-OE-417
D. Event reporting form or EEA 3 Report - ✔✔C. Event reporting form or DOE-OE-417
✔✔An indication that a line is loaded above its surge impedance level is that it
A. Generates VARs
B. Raises voltage
C. Absorbs VARs
D. Increases capacitance - ✔✔C. Absorbs VARs
✔✔If a balancing authority has implemented interchange of 150 MW that started on the
hour and was brought to 0 MW at 20 past the hour, what is the hourly integration for the
transaction? Ignore all ramp rates
A. 50 MWhr
B. 100 MWhr
C. 25 MWhr
D. 150 MWhr - ✔✔A. 50 MWhr
,✔✔If the MSSC for a BA is a 900 MW gas fired steam unit, what is the DCS reporting
threshold?
A. 670 MW
B. 720 MW
C. 180 MW
D. 810 MW - ✔✔B. 720 MW
✔✔If a BA serves native load, the minimum the frequency bias setting that may be used
is what percentage of the Balancing Areas's estimated yearly peak per 0.1 Hz change?
A. 3%
B. 2%
C. 5%
D. 1% - ✔✔D. 1%
✔✔Balancing authority ABC is experiencing an operating capacity emergency and is
relying on assistance provided by the interconnection frequency bias. Per NERC ABC
shall ______
A. Figure out the most economical way to balance its interchange schedules and
generation to its load
B. Request transmission loading relief from the interconnection until its load decreases
C. Keep absorbing inadvertent power from the interconnection until its load decreases
D. Balance its interchange schedules and generation to its load, without regard to
financial cost - ✔✔D. Balance its interchange schedules and generation to its load,
without regard to financial cost
✔✔Net actual interchange minus net scheduled interchange is what?
A. The ACE equation
B. Inadvertent Interchange
C. Always equal to the frequency bias contribution
D. Meter error - ✔✔B. Inadvertent interchange
✔✔During system restoration, system frequency should be maintained in which of the
following ranges?
A. 59.75 - 61.00 Hz
B. 59.25 - 60.50 Hz
C. 58.50 - 60.05 Hz
D. 59.00 - 61.00 Hz - ✔✔A. 59.75 - 61.00 Hz
✔✔The reliability coordinator shall verify that all delegated tasks are carried out by
NERC certified _____ operating personnel
A. Reliability coordinator
B. Transmission operator
C. Delegated task
D. Balancing authority - ✔✔A. Reliability coordinator
,✔✔The plan for the loss of control center functionality shall include a summary
description of the elements required to support the backup functionality which includes
all the following except:
A. Tools and applications
B. Voice communications
C. Fully rested relief shifts
D. Data communications - ✔✔C. Fully rested relief shifts
✔✔Which of the following types of generation resources would utilize a process of
fission or fusion?
A. Nuclear generators
B. Combustion turbine generators
C. Geothermal generators
D. Hydroelectric generators - ✔✔A. Nuclear generators
✔✔Each reliability coordinator shall approve the restoration plan of each transmission
operator in its reliability coordinator area in accordance with whose requirements?
A. NERC
B. DOE
C. FERC
D. Public utility commission - ✔✔A. NERC
✔✔If balancing authorities ABC's RTU signal for power flow over ABC's Midway tie-line
with balancing authority XYZ is significantly in error, the ABC system operator shall
A. Not make any adjustments, but after the RTU gets repaired, perform a true-up
calculation on the inadvertent account
B. Call the XYZ balancing authority and set up an inadvertent interchange schedule that
is larger than the RTU error
C. Adjust the control settings to compensate for the equipment error until repairs can be
made
D. Let the AGC system handle the problem - ✔✔C. Adjust the control settings to
compensate for the equipment error until repairs can be made
✔✔You are operating in the balancing authority function. Your ACE is currently 0 MW
and frequency is 59.97 Hz. You determine that your neighboring BA to the north has
experienced the tripping of a generator. Between the times of 1020 and 1030 the
system is operating normally. The average for the ACE is 58 MW. The BA L10 is 55
MW. What should you do?
A. Open the tide lines between you and your neighbor
B. Shed load to restore frequency to 60 Hz
C. Increase your generation until frequency gets back to 60 Hz
D. Control your system ACE and wait for request for assistance - ✔✔D. Control your
system ACE and wait for request for assistance.
, ✔✔If a balancing area has a scheduled interchange of 300 MW that started on the hour,
what would be the hourly integrated value if the transactions were curtailed at 45
minutes past the hour?
A. 150 MWhr
B. 225 MWhr
C. 100 MWhr
D. 300 MWhr - ✔✔B. 225 MWhr
✔✔A 900 MW generator has a 5% governor droop characteristic and is connected to
the system by two 500 KV lines. Initially it is loaded at 100% of its rated capacity. The
frequency then falls 0.9 Hz. What is the generators new output?
A. 75%
B. 25%
C. 100%
D. 0% - ✔✔C. 100%
✔✔A Transmission operator has to restore two 500 KV lines to service. Both lines are of
the same construction, but line 5085 is 95 miles long and line 5012 is just 22 miles long.
Which of the following statements is true about the restoration of the lines?
A. More charging will be incurred when restoring the 5085 line rather than 5012 line
B The voltage rise from switching line 5012 will be significantly higher than that of 5085
line
C. The voltage rise from both lines will be the same
D. More charging will be incurred when restoring the 5012 line rather than the 5085 line
- ✔✔A. More charging will be incurred when restoring the 5085 line rather than 5012
line
✔✔Regardless of the processes it uses, the RC must direct its BAs and TOP's to return
the transmission system to within its interconnection reliability operating limits as soon
as possible, but no longer than _____
A. 20 minutes
B. 30 minutes
C. 15 minutes
D. 60 minutes - ✔✔B. 30 minutes
✔✔The reporting threshold for a DCS event is ____ % of the MSSC
A. 90%
B. 100%
C. 80%
D. 150% - ✔✔C. 80%
✔✔Control performance standard 1 (CPS1) is calculated every _____ minute(s)
A. 10
B. 15