PJM transmission operations quiz
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1. What is the submission requirement for a planned transmission outage of
20 calendar days that is scheduled to start on October 10 and be considered
on time
A. September 30
B. April 1
C. October 1
D. September 1: B. April 1
2. Since PJM operates to a 5% voltage drop limit on the 500 KV system which
of the following would be considered a violation
A. Pre-536KV, post - 507KV
B. Pre-545 kV, post - 520 KV
C. Pre-535KV, post - 512 KV
D. Pre-530 KV, post - 515 KV: A. Pre-536KV, post-507KV
3. If a transmission line is loaded above it's surge impedance loading what
impact would it have on system voltage
A. Lower the voltage
B. Increase the voltage limits
C. Lower the voltage limits
D. Increase the voltage: A. Lower the voltage
4. If your system is equipped with 500 KV capacitors that have automatic
switching capability and the capacitor is in service, what would be the expect-
ed operation of the capacitor if the voltage were between 545KV and 550 KV
for 1 to 15 minutes
A. The capacitor would be connected to the system
B. The capacitor would be disconnected from the system
C. There are no 500 KV automatically controlled capacitors
D. The capacitor should remain unchanged: B. The capacitor would be disconnected from the
system
5. Your outage scheduling group has scheduled a planned outage to start
today at 0800. Unfortunately due to weather the outage will not start until
tomorrow at 0700. In this instance how will the outage status be treated
A. As a forced outage
, PJM transmission operations quiz
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B. As an unplanned outage
C. As on time
D. As late: C. As on time
6. The PJM system operator finds that a 230 KV transmission line is over its
normal limit. How long does the operator have to return the line to within its
normal limit
A. Immediately
B. 5 minutes
C. 15 minutes
D. 30 minutes: C. 15 minutes
7. The phase angle regulators between New York ISO & PJM are there to help
A. Maintain system VAR flow
B. Increase overall system voltages
C. Reduce market price at border
D. Control MW flows: D. Control MW flows
8. When a discrepancy occurs between PJM's thermal rating and a transmis-
sion owners thermal rating which limit is utilized to operate
A. The highest limit
B. The most conservative limit
C. PJM's limit only
D. Transmission owners limit only: B. The most conservative limit
9. Which relay operates with no time delay when the current rises above a
predetermined level
A. Time overcurrent
B. Directional overcurrent
C. Distance relay
D. Instantaneous overcurrent: D. Instantaneous overcurrent
10. According to the PJM transmission operation manual, 500 KV lines that trip
out of service should
A. Be immediately manually re-closed by the operator
B. Be manually re-closed by the operator after 30 minutes
, PJM transmission operations quiz
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C. Automatically re-close
D. Automatically initiate a Quickstart CT: C. Automatically re-close
11. All of the following information should be submitted with a transmission
outage request except
A. Facility
B. Emergency restoration time
C. Description of work
D. Cost of the maintenance work: D. Cost of the maintenance work
12. The PJM system operator finds that a 230 KV transmission line is over it's
emergency limit. How long does the operator have to return the limit to within
its normal limit
A. Immediately
B. 5 minutes
C. 15 minutes
D. 30 minutes: C. 15 minutes
13. If a 500 KV transmission line is scheduled to be removed from service for
a daily maintenance job, what is the minimum notification time to get final
approval from the PJM operator
A. 15 minutes
B. 30 minutes
C. 24 hours
D. 72 hours: B. 30 minutes
14. What would be the expected response if a shunt reactor were connected to
the system
A. Voltage would increase
B. Voltage would decrease
C. MW flow would increase
D. MW flow would decrease: B. Voltage would decrease
15. If the eastern interconnection experiences a severe system event that
causes the frequency to decline to 58.4 Hz in the PJM mid-Atlantic area what
percentage of load should be shed from the operation of under frequency
relay protection
Study online at https://quizlet.com/_9oz1m5
1. What is the submission requirement for a planned transmission outage of
20 calendar days that is scheduled to start on October 10 and be considered
on time
A. September 30
B. April 1
C. October 1
D. September 1: B. April 1
2. Since PJM operates to a 5% voltage drop limit on the 500 KV system which
of the following would be considered a violation
A. Pre-536KV, post - 507KV
B. Pre-545 kV, post - 520 KV
C. Pre-535KV, post - 512 KV
D. Pre-530 KV, post - 515 KV: A. Pre-536KV, post-507KV
3. If a transmission line is loaded above it's surge impedance loading what
impact would it have on system voltage
A. Lower the voltage
B. Increase the voltage limits
C. Lower the voltage limits
D. Increase the voltage: A. Lower the voltage
4. If your system is equipped with 500 KV capacitors that have automatic
switching capability and the capacitor is in service, what would be the expect-
ed operation of the capacitor if the voltage were between 545KV and 550 KV
for 1 to 15 minutes
A. The capacitor would be connected to the system
B. The capacitor would be disconnected from the system
C. There are no 500 KV automatically controlled capacitors
D. The capacitor should remain unchanged: B. The capacitor would be disconnected from the
system
5. Your outage scheduling group has scheduled a planned outage to start
today at 0800. Unfortunately due to weather the outage will not start until
tomorrow at 0700. In this instance how will the outage status be treated
A. As a forced outage
, PJM transmission operations quiz
Study online at https://quizlet.com/_9oz1m5
B. As an unplanned outage
C. As on time
D. As late: C. As on time
6. The PJM system operator finds that a 230 KV transmission line is over its
normal limit. How long does the operator have to return the line to within its
normal limit
A. Immediately
B. 5 minutes
C. 15 minutes
D. 30 minutes: C. 15 minutes
7. The phase angle regulators between New York ISO & PJM are there to help
A. Maintain system VAR flow
B. Increase overall system voltages
C. Reduce market price at border
D. Control MW flows: D. Control MW flows
8. When a discrepancy occurs between PJM's thermal rating and a transmis-
sion owners thermal rating which limit is utilized to operate
A. The highest limit
B. The most conservative limit
C. PJM's limit only
D. Transmission owners limit only: B. The most conservative limit
9. Which relay operates with no time delay when the current rises above a
predetermined level
A. Time overcurrent
B. Directional overcurrent
C. Distance relay
D. Instantaneous overcurrent: D. Instantaneous overcurrent
10. According to the PJM transmission operation manual, 500 KV lines that trip
out of service should
A. Be immediately manually re-closed by the operator
B. Be manually re-closed by the operator after 30 minutes
, PJM transmission operations quiz
Study online at https://quizlet.com/_9oz1m5
C. Automatically re-close
D. Automatically initiate a Quickstart CT: C. Automatically re-close
11. All of the following information should be submitted with a transmission
outage request except
A. Facility
B. Emergency restoration time
C. Description of work
D. Cost of the maintenance work: D. Cost of the maintenance work
12. The PJM system operator finds that a 230 KV transmission line is over it's
emergency limit. How long does the operator have to return the limit to within
its normal limit
A. Immediately
B. 5 minutes
C. 15 minutes
D. 30 minutes: C. 15 minutes
13. If a 500 KV transmission line is scheduled to be removed from service for
a daily maintenance job, what is the minimum notification time to get final
approval from the PJM operator
A. 15 minutes
B. 30 minutes
C. 24 hours
D. 72 hours: B. 30 minutes
14. What would be the expected response if a shunt reactor were connected to
the system
A. Voltage would increase
B. Voltage would decrease
C. MW flow would increase
D. MW flow would decrease: B. Voltage would decrease
15. If the eastern interconnection experiences a severe system event that
causes the frequency to decline to 58.4 Hz in the PJM mid-Atlantic area what
percentage of load should be shed from the operation of under frequency
relay protection
