QUESTIONS AND CORRECT ANSWERS | GRADED A+ |
LATEST EXAM | VERIFIED ANSWERS
When designing Automatic Under Voltage Load
Shedding schemes which of the following must be
considered?
1. Frequency
2. Rate of voltage decay
3. Voltage level
b. 2,3,4
4. Power Flow levels
a. 1,2,3
b. 2,3,4
c. 1,3,4
d. 1,2,4
When using a Dynamic Schedule and the energy
profile in an hour is >250MW and the actual hourly
integration deviates from the hourly energy profile by
c. 10% ______________________________________________ the
tag
must be modified.
a. 50MW
b. 100MW
c. 10%
d. 25%
System losses that impact voltage are the result of the following?
a. Current times impedance squared
b. Current squared times b. Current squared times impedance
impedance c. Square root of current and impedance squared
d. Square root of MW squared plus MVAR squared
A Zone 1 relay is typically calibrated to protect what percentage
of the zone?
b. 90% a. 10%
b. 90%
c. 120%
d. 150%
, If a 230kV line is loaded at its SIL and a parallel line
trips, the 230kV line will display the characteristics of
what reactive device?
a. Shunt reactor
a. Shunt reactor
b. Wave trap
c. Shunt capacitor
d. System inductor
Each Reliability Coordinator, Balancing Authority and
Transmission Operator shall review and approve its
Operating Plan for backup functionality, how often?
d. Annually
a. Never
b. Monthly
c. Weekly
d. Annually
Operating personnel must have plans and procedures
in place to get permission from whom to shed firm
load?
c. No One
a. Shift Supervisor
b. Company Management
c. No One
d. Reliability Coordinator
Restoration services on critical telecommunications channels
should be available
________.
b. 24 hrs a day a. By the end of the next business day
b. 24 hrs a day
c. Within 12 hrs of a telecommunications channel failure
d. Within 72 hrs of the contingency occurring
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 a. Event Reporting Form or DOE-OE-417
DOE-OE-417 b. Event Reporting Form or DOE-EIA-407
c. DOE-OE-407 or EEA 3 Report
d. Event Reporting Form or EEA 3 Report
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?
b. 50MWhr Ignore all ramp rates.
150*(20min/60)= a. 25MWhr
50MWhr b. 50MWhr
c. 100MWhr
d. 150MWhr
, If a BA experiences a loss of resources covered by an
energy sharing agreement, how long does it have to
submit a Request for Interchange (RIF) from the start
d. 60min time of the resource loss?
a. 10min
b. 20min
c. 30min
d. 60min
If a dynamic transfer value is being used for a Pseudo-
Tie, what term is used when referring to the Balancing
Authority where the generator is physically located?
d. Native BA
a. Attaining BA
b. Sending BA
c. Receiving BA
d. Native BA
If a BA serves native load, the minimum the frequency
bias setting that may be used is what percentage of the
Balancing Area's estimated yearly peak per 0.1Hz
d. 1%
change?
a. 5%
b. 3%
c. 2%
d. 1%
The system is operating at 60Hz, a generator operating
at 1800 RPM has 4 pole pairs, how many pole pairs will
d. 12
generator operating at 600 RPM require in order to
Pole pairs= (120*freq)/speed
maintain the 60Hz freq?
= (120*60)/600
a. 6
= 12
b. 8
c. 10
d. 12
You are operating in the Balancing Authority function,
your ACE is on 0 and you notice that the tie-line flows
have increased on the tie-lines to your northern
c. Your northern neighbour neighbour's system and system frequency is slightly
has lost a generation source below 60 Hz. Which of the following would be the most
likely cause of the situation?
a. Your northern neighbour has lost a block of system load
b. Your neighbours tie-lines RTUs have failed
c. Your northern neighbour has lost a generation source