PJM Generation Dispatch Exam questions
|\ |\ |\ |\ |\
with answers |\
Which of the following statements is correct concerning PJM
|\ |\ |\ |\ |\ |\ |\ |\ |\
assuming frequency control of the restoration process?
|\ |\ |\ |\ |\ |\
A) PJM assumes control once an external transmission tie has
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
been established.
|\
B) Once an Area Control Error can be calculated, PJM will assume
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
control.
C) Whenever it becomes too much of a burden for any one
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
Transmission Owner within the RTO |\ |\ |\ |\
D) Whenever the Transmission Owners within the RTO agree to
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
let PJM control the process. - CORRECT ANSWERS ✔✔C)
|\ |\ |\ |\ |\ |\ |\ |\ |\
Whenever it becomes too much of a burden for any one
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
Transmission Owner within the RTO |\ |\ |\ |\
During black start restoration, priority access to cranking power
|\ |\ |\ |\ |\ |\ |\ |\ |\
should be given to:
|\ |\ |\
A) Hot units that can return to service immediately.
|\ |\ |\ |\ |\ |\ |\ |\
B) Combustion turbines in areas where the initial disturbance
|\ |\ |\ |\ |\ |\ |\ |\ |\
occurred
C)Units with black start capability
|\ |\ |\ |\
D) Hydro Units - CORRECT ANSWERS ✔✔A) Hot units that can
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
return to service immediately.
|\ |\ |\
,During a restoration, if you are presented with the opportunity to
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
re-connect with the Eastern Interconnection, you should: |\ |\ |\ |\ |\ |\
A)Not pursue this opportunity because you may cause the
|\ |\ |\ |\ |\ |\ |\ |\ |\
Eastern Interconnection to become unstable.
|\ |\ |\ |\
B) Pursue this opportunity only when you have adequate
|\ |\ |\ |\ |\ |\ |\ |\ |\
Dynamic Reserves on your system |\ |\ |\ |\
C) Pursue this opportunity as quickly as possible
|\ |\ |\ |\ |\ |\ |\
D) Pursue this opportunity only if you need cranking power for
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
your generating unity - CORRECT ANSWERS ✔✔C) Pursue this
|\ |\ |\ |\ |\ |\ |\ |\ |\
opportunity as quickly as possible |\ |\ |\ |\
Complete (Total System) Blackouts are characterized by which of
|\ |\ |\ |\ |\ |\ |\ |\ |\
the following? |\
1 - Most common type of blackout
|\ |\ |\ |\ |\ |\
2 - May require coordinating multiple islands
|\ |\ |\ |\ |\ |\
3 - Likely to result in Transmission overloads or other issues
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
4 - Affects a very large geographical area, and many customers
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
5 - Most commonly caused by human or switching errors
|\ |\ |\ |\ |\ |\ |\ |\ |\
A) 1 & 3
|\ |\ |\
B) 2 & 4
|\ |\ |\
C) 3 & 5
|\ |\ |\
D) 1 - CORRECT ANSWERS ✔✔B) 2 & 4
|\ |\ |\ |\ |\ |\ |\ |\
,The first step in a system restoration would be to:
|\ |\ |\ |\ |\ |\ |\ |\ |\
A) Immediately notify the media of the event
|\ |\ |\ |\ |\ |\ |\
B) Restore as much of the area load as possible
|\ |\ |\ |\ |\ |\ |\ |\ |\
C) Restore as much under-frequency load as possible
|\ |\ |\ |\ |\ |\ |\
D) Verify that communication is functional with your neighbors -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔D) Verify that communication is
|\ |\ |\ |\ |\ |\ |\
functional with your neighbors |\ |\ |\
Why would an offsite power to generating facilities be a priority
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
during the restoration process?
|\ |\ |\
A) To provide safe shutdown power for the units
|\ |\ |\ |\ |\ |\ |\ |\
B) To meet FERC requirements
|\ |\ |\ |\
C) To provide adequate lighting for the plant operators to attempt
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
a restart
|\ |\
D) To prepare and expedite the return of the unit - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔D) To prepare and expedite the return of the unit
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
Factors that help determine the sequence of restoration of off-
|\ |\ |\ |\ |\ |\ |\ |\ |\
line generation include (Pick 2):
|\ |\ |\ |\
-Generation Type |\
-Unloaded Capacity |\
-Unit Availability |\
, -Stability of the Generator - CORRECT ANSWERS ✔✔-Generation
|\ |\ |\ |\ |\ |\ |\ |\
Type
-Unit Availability |\
How often should a Transmission company file an updated
|\ |\ |\ |\ |\ |\ |\ |\ |\
restoration report with PJM? |\ |\ |\
1 - Every 30 minutes
|\ |\ |\ |\
2 - Every hour
|\ |\ |\
3 - Every 10 lines that have been restored
|\ |\ |\ |\ |\ |\ |\ |\
4 - Every 5 lines that have been restored
|\ |\ |\ |\ |\ |\ |\ |\
A) 1 & 4
|\ |\ |\
B) 2 & 3
|\ |\ |\
C) 1 & 3
|\ |\ |\
D) 2 & 4 - CORRECT ANSWERS ✔✔C) 1 & 3
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
Which of the following statements are true concerning delays in
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
restoring auxiliary power to off-line generation?
|\ |\ |\ |\ |\
1 - The unit could suffer turbine shaft damage
|\ |\ |\ |\ |\ |\ |\ |\
2 - The fuel oil for the unit could congeal
|\ |\ |\ |\ |\ |\ |\ |\ |\
3 - The startup time for the unit will be reduced
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
4 - The battery life used to maintain critical systems may run out
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
|\ |\ |\ |\ |\
with answers |\
Which of the following statements is correct concerning PJM
|\ |\ |\ |\ |\ |\ |\ |\ |\
assuming frequency control of the restoration process?
|\ |\ |\ |\ |\ |\
A) PJM assumes control once an external transmission tie has
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
been established.
|\
B) Once an Area Control Error can be calculated, PJM will assume
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
control.
C) Whenever it becomes too much of a burden for any one
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
Transmission Owner within the RTO |\ |\ |\ |\
D) Whenever the Transmission Owners within the RTO agree to
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
let PJM control the process. - CORRECT ANSWERS ✔✔C)
|\ |\ |\ |\ |\ |\ |\ |\ |\
Whenever it becomes too much of a burden for any one
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
Transmission Owner within the RTO |\ |\ |\ |\
During black start restoration, priority access to cranking power
|\ |\ |\ |\ |\ |\ |\ |\ |\
should be given to:
|\ |\ |\
A) Hot units that can return to service immediately.
|\ |\ |\ |\ |\ |\ |\ |\
B) Combustion turbines in areas where the initial disturbance
|\ |\ |\ |\ |\ |\ |\ |\ |\
occurred
C)Units with black start capability
|\ |\ |\ |\
D) Hydro Units - CORRECT ANSWERS ✔✔A) Hot units that can
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
return to service immediately.
|\ |\ |\
,During a restoration, if you are presented with the opportunity to
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
re-connect with the Eastern Interconnection, you should: |\ |\ |\ |\ |\ |\
A)Not pursue this opportunity because you may cause the
|\ |\ |\ |\ |\ |\ |\ |\ |\
Eastern Interconnection to become unstable.
|\ |\ |\ |\
B) Pursue this opportunity only when you have adequate
|\ |\ |\ |\ |\ |\ |\ |\ |\
Dynamic Reserves on your system |\ |\ |\ |\
C) Pursue this opportunity as quickly as possible
|\ |\ |\ |\ |\ |\ |\
D) Pursue this opportunity only if you need cranking power for
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
your generating unity - CORRECT ANSWERS ✔✔C) Pursue this
|\ |\ |\ |\ |\ |\ |\ |\ |\
opportunity as quickly as possible |\ |\ |\ |\
Complete (Total System) Blackouts are characterized by which of
|\ |\ |\ |\ |\ |\ |\ |\ |\
the following? |\
1 - Most common type of blackout
|\ |\ |\ |\ |\ |\
2 - May require coordinating multiple islands
|\ |\ |\ |\ |\ |\
3 - Likely to result in Transmission overloads or other issues
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
4 - Affects a very large geographical area, and many customers
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
5 - Most commonly caused by human or switching errors
|\ |\ |\ |\ |\ |\ |\ |\ |\
A) 1 & 3
|\ |\ |\
B) 2 & 4
|\ |\ |\
C) 3 & 5
|\ |\ |\
D) 1 - CORRECT ANSWERS ✔✔B) 2 & 4
|\ |\ |\ |\ |\ |\ |\ |\
,The first step in a system restoration would be to:
|\ |\ |\ |\ |\ |\ |\ |\ |\
A) Immediately notify the media of the event
|\ |\ |\ |\ |\ |\ |\
B) Restore as much of the area load as possible
|\ |\ |\ |\ |\ |\ |\ |\ |\
C) Restore as much under-frequency load as possible
|\ |\ |\ |\ |\ |\ |\
D) Verify that communication is functional with your neighbors -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔D) Verify that communication is
|\ |\ |\ |\ |\ |\ |\
functional with your neighbors |\ |\ |\
Why would an offsite power to generating facilities be a priority
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
during the restoration process?
|\ |\ |\
A) To provide safe shutdown power for the units
|\ |\ |\ |\ |\ |\ |\ |\
B) To meet FERC requirements
|\ |\ |\ |\
C) To provide adequate lighting for the plant operators to attempt
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
a restart
|\ |\
D) To prepare and expedite the return of the unit - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔D) To prepare and expedite the return of the unit
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
Factors that help determine the sequence of restoration of off-
|\ |\ |\ |\ |\ |\ |\ |\ |\
line generation include (Pick 2):
|\ |\ |\ |\
-Generation Type |\
-Unloaded Capacity |\
-Unit Availability |\
, -Stability of the Generator - CORRECT ANSWERS ✔✔-Generation
|\ |\ |\ |\ |\ |\ |\ |\
Type
-Unit Availability |\
How often should a Transmission company file an updated
|\ |\ |\ |\ |\ |\ |\ |\ |\
restoration report with PJM? |\ |\ |\
1 - Every 30 minutes
|\ |\ |\ |\
2 - Every hour
|\ |\ |\
3 - Every 10 lines that have been restored
|\ |\ |\ |\ |\ |\ |\ |\
4 - Every 5 lines that have been restored
|\ |\ |\ |\ |\ |\ |\ |\
A) 1 & 4
|\ |\ |\
B) 2 & 3
|\ |\ |\
C) 1 & 3
|\ |\ |\
D) 2 & 4 - CORRECT ANSWERS ✔✔C) 1 & 3
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
Which of the following statements are true concerning delays in
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
restoring auxiliary power to off-line generation?
|\ |\ |\ |\ |\
1 - The unit could suffer turbine shaft damage
|\ |\ |\ |\ |\ |\ |\ |\
2 - The fuel oil for the unit could congeal
|\ |\ |\ |\ |\ |\ |\ |\ |\
3 - The startup time for the unit will be reduced
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
4 - The battery life used to maintain critical systems may run out
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
