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Answers
- When SCADA data points are out of service for an extended period of time, data should Be updated manually by the operator at least every:
A. 10 minutes B. 20 minutes C. 30 minutes D. 60 minutes: C. 30 minutes
- PJM requires that LCCs that are starting an outage on reportable transmis- sion facilities must obtain PJM approval prior to removing the facility from service. How many minutes prior to the commencement of switching must be provided for PJM to study and give final approval?
A. 15 B. 30 C. 45 D. 60: B. 30
- According to PJM emergency procedures, what two types of reserves are monitored during a system restoration?
A. spinning and regulating B. primary and secondary C. dynamic and regulation D. dynamic and synchronized: D. dynamic and synchronized
- What are the under frequency relay settings for PJM member companies?
A. 59.30 Hz, 58.90 Hz, 58.50 Hz B. 59.50 Hz, 58.50 Hz, 57.50 Hz C. 59.00 Hz, 58.00 Hz, 57.00 Hz D. 59.70 Hz, 59.50 Hz, 59.30 Hz: A. 59.30 Hz, 58.90 Hz, 58.50 Hz
- What two components make-up Contingency Reserve?
A. Synchronized and Non-synchronized B. Non-synchronized and secondary C. Synchronized and secondary D. Non-synchronized and regulation: A. Synchronized and Non-synchronized
- During restoration, if 500 kV transmission lines are being restored, what are the minimum source requirements for load and generation?
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A. 10 MW of load per mile and 15 MW of generation per mile B. 20 MW of load per mile and 30 MW of generation per mile C. 25 MW of load per mile and 50 MW of generation per mile D. 30 MW of load per mile and 50 MW of generation per mile: B. 20 MW of load per mile and 30 MW of generation per mile
- During restoration situations, dynamic reserve generator load pick-up fac- tors are defined as which of the following?
A. Steam capacity -25%, Combustion Turbine capacity -15%, and hydro capac- ity -5% B. Steam capacity -5%, Combustion Turbine capacity -15%, and hydro capacity -25% C. Steam capacity -5%, Combustion Turbine capacity -25%, and hydro capacity -15% D. Steam capacity -15%, Combustion Turbine capacity -10%, and hydro capac- ity -25%: C. Steam capacity -5%, Combustion Turbine capacity -25%, and hydro capacity -15%
- What are the time requirements for a PJM member to submit planned transmission outages that are used for system planning purposes?
A. 3 days prior to outage B. 1 week prior to the outage C. 1 month prior to the outage D. 12 months prior to the outage: D. 12 months prior to the outage
- 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
- What is the time limit for PJM members to submit transmission outages for PJM approval?
A. 24 hours B. 3 business days
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B. When Virginia Power or NY-ISO is experiencing high loads C. When a PJM member system is experiencing a new system peak load D. When PJM has projected that they will experience problems in meeting their CPS criteria: A. When loads are heavy and bulk power voltage levels are expected to be low
- Which temperature range makes up the PJM "Summer Value" temperature sets?
A. 41°F to 77°F B. 50°F to 77°F C. 68°F to 86°F D. 68°F to 95°F: D. 68°F to 95°F
- If the Eastern Interconnection experiences a severe system event that causes the frequency to decline to 58.7 Hz in the PJM East area, What per- centage of load should be shed from the operation of under-frequency relay protection?
A. 5% B. 10% C. 20% D. 25%: C. 20%
- When communication links to a 500kV substation RTU are lost, which of the following actions are required by PJM?
A. Take the facility out of service B. Dispatch field personnel to the facility C. Wait for the communication to be restored D. Issue a communication Failure Alert: B. Dispatch field personnel to the facility
- An LCC or MOC operator must update data manually when SCAOA data points are out of service for an extended period at least every
A. 10 minutes B. 20 minutes C. 60 minutes D. 30 minutes: D. 30 minutes
- A PJM neighboring company requests PJM to lend assistance and imple- ment a 5% voltage reduction PJM will comply with the request provided the neighboring system has
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A. already implemented the same action B. dumped firm load C. received NERC approval D. a signed agreement in place for compensation: A. already implemented the same action
- Two types of reserves are monitored during system restoration according to PJM emergency procedures. These reserves are:
A. synchronized and regulating B. contingency and secondary C. dynamic and regulating D. dynamic and synchronized: D. dynamic and synchronized
- Following a PJM system blackout, which of the following facilities would be given a priority in restoring auxiliary power?
A. A generator that was on-line and tripped but has a ruptured turbine disc B. A combustion turbine that is remote and has a 30% dependability rating C. A cold fired generator that was off-line, but can be on in <12 hours D. A drum-type oil fired unit that tripped during the event and has no damage- : D. A drum-type oil fired unit that tripped during the event and has no damage
- Contingency Reserve is made up of what two components?
A. Synchronized and Non-Synchronized B. Non-synchronized and secondary C. Synchronized and secondary D. Non-Synchronized and regulation: A. Synchronized and Non-Synchronized
- The prescribed frequency bandwidth where frequency should be main- tained during restoration situations according to PJM is:
A. 57.5 Hz and 61.5Hz B. 59.5 Hz and 61.5 Hz C. 59.75 Hz and 61.0 Hz D. 59.9 Hz and 61.1 Hz: C. 59.75 Hz and 61.0 Hz
- Which of the following must be completed in order to synchronize if two islands wish to interconnect during a system restoration event?
A. Loads in the islands must be equal B. Tie-lines must be established
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D. Request that PJM unlock the ticket in eDart and revise the ticket: D. Request that PJM unlock the ticket in eDart and revise the ticket
- When starting an outage on a reportable transmission facility, PJM re- quires that LCCs obtain PJM approval prior to removing the facility from service How many minutes prior to the start of switching must be provided for PJM to study the outage and give final approval?
A. 15 B. 30 C. 45 D. 60: B. 30
- If a transmission facility is found to be loaded above its load dump, how long does the operator have to correct the problem?
A. 5 minutes B. 10 minutes C. 15 minutes D. 30 minutes: A. 5 minutes
- When loads are heavy and bulk power voltage levels are expected to be low PJM will issue a:
A. Bulk Power Alert B. Maximum Generation Warning C. Minimum Generation Declaration D. Heavy Load Voltage Schedule: D. Heavy Load Voltage Schedule
- If the Eastern Interconnection experiences a severe system event that causes the frequency to decline to 58.4 Hz in the PJM East area, what per- centage of load should be shed from the operation of under frequency relay protection?
A. 5% B. 20% C. 30% D. 45%: C. 30%
- PJM requires that data points that fail for an extended period of time must be manually updated every
A. 10 minutes B. 15 minutes
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C. 30 minutes D. 60 minutes: C. 30 minutes
- When the PJM all-call is received in your control center, what button should be pushed if the message is to be repeated?
A. 1 B. 2 C. 3 D. 0: A. 1
- When the PJM all-call is received in your control center, what button should be pushed to acknowledge that the message was received?
A. 1 B. 2 C. 3 D. 0: B. 2
- When will PJM assume frequency control during the system restoration process?
A. When two LCCs are interconnected B. When three LCCs are interconnected C. Not until all LCCs are interconnected D. If control is too burdensome for any LCC and ACE can be developed: D. If control is too burdensome for any LCC and ACE can be developed
- During system restoration, an island requires 500 MW of dynamic reserve The maximum amount of under frequency relay protected load that can be counted as dynamic reserve is
A. 100 MW B. 250 MW C. 350 MW D. 500 MW: B. 250 MW
- PJM will provide emergency assistance to adjacent balancing areas pro- vided the adjacent balancing area has taken the same action. Which of the following actions will PJM provide?
A. manual load dump B. 5% voltage reduction
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C. During the operating period D. Anytime: B. Prior to the operating period
- When are PJM capacity shortage warnings issued?
A. After the operating period B. Prior to the operating period C. During the operating period D. Anytime: C. During the operating period
- What is issued when the synchronized reserve is less than the require- ment?
A. Voltage Reduction Warning and Reduction of Non-Critical Plant load B. Manual load Dump Warning C. VCLC Warning D. Heavy load Schedule: A. Voltage Reduction Warning and Reduction of Non-Crit- ical Plant load
- When is a Manual Load Dump Waming issued?
A. When the max emergency is called into the capacity B. When the contingency reserve is less than the largest contingency C. When the load exceeds the maximum generator output D. When the contingency reserve is less than the reserve objective: B. When the contingency reserve is less than the largest contingency
- A company's generation profile during restoration consists of 100 MW of steam capacity, 100 MW of combustion turbine capacity, and 100MW hydro capacity In addition, there is 10MW of under frequency protected load restored The governor response load factors are 5%, 25%, and 15% respectively What is the company's total dynamic reserve?
A. 35 MW B. 45 MW C. 55 MW D. 65 MW: C. 55 MW
- A company's generation profile during restoration consists of 100 MW of steam capacity, 100 MW of combustion turbine capacity, and 100 MW hydro ca- pacity In addition, there is 10 MW of under frequency protected load restored The governor response load factors are 5%, 25%, and 15% respectively How much of the dynamic reserve can be attributed to governor response load factors?
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A. 35 MW
B. 45 MW
C. 55 MW
D. 65 MW: B. 45 MW
- How would you report a steam unit that has 28 hours of fuel on-site on a PJM Supplemental Status Report?
A. Curtailable B. As resource limited C. As max emergency D. As available generation: B. As resource limited
- According to PJM Emergency Manual, severe cold weather conditions require which of the following types of units to be manned?
A. Steam generators B. Pumped hydro facilities C. Combustion turbines D. Wind farms: C. Combustion turbines
- During system restoration, a generator within an island should not be loaded above the level of the island's
A. Non-synchronized reserve B. Synchronized reserve C. Dynamic reserve D. Under frequency protected load: C. Dynamic reserve
- If a generating unit has the following operating limits (Emergency Minimum -25 MW, Economic Minimum -35 MW , Economic Maximum -150 MW, Emer- gency Maximum -155 MW, how many MW of emergency reducible generation would be submitted to PJM
A. 5MW B. 10 MW C. 25MW D. 35MW: B. 10 MW
- If PJM experiences a system event that causes the ACE to indicate under generation, which of the following actions would PJM implement to return tie lines to schedule?
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the problem?
A. PECO B. Baltimore Gas & Electric C. PEPCO D. Keystone: A. PECO
- The maximum allowable voltage on most of the PJM 500 kV system is
A. 525 kV B. 545 kV C. 550 kV D. 555 kV: C. 550 kV
- Which of the following elements would NOT have an impact on the peak of the day load forecast?
A. Dew point B. Temperature C. Wind speed D. Cloud cover: A. Dew point
- What type of control center would typically control generation?
A. MOC B. LCC C. LSE D. PSE: A. MOC
- What type of control center would typically control transmission?
A. MOC B. LCC C. LSE D. PSE: B. LCC
- How many temperature sets are there for transmission thermal ratings?
A. 4 B. 8 C. 12 D. 16: D. 16
- What are the PJM ambient temperature settings?
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A. 32, 41, 50, 59, 68, 77, 86, 95
B. 30, 40, 50, 60, 70, 80, 90, 100
C. 33, 43, 54, 58, 67, 76, 85, 84
D. 33, 44 ,55 ,66, 77, 88, 99, 101: A. 32, 41, 50, 59, 68, 77, 86, 95
- What would be the frequency bias impact on the PJM ACE if the ERCOT frequency were 59.95 HZ?
A. ACE would be offset by the frequency bias B. ACE would indicate under generation C. ERCOT frequency does not impact PJM ACE D. ERCOT frequency has minimal impact on PJM ACE: C. ERCOT frequency does not impact PJM ACE
- Which of the following is NOT a limit that PJM operates for?
A. Thermal B. Voltage C. Reactive Transfer D. Double Circuit: D. Double Circuit
- If a transmission outage will impact another LCCs area within the PJM footprint, the system operator should coordinate the outage with which of the following?
Switchman of the affected LCC Distribution Operators within their LCC Affected LCC Operators PJM Operators
A. 1 & 2 B. 1 & 3 C. 3 & 4 D. 2 & 3: C. 3 & 4
- What actions does PJM implement for Simultaneous Loss of Double Cir- cuit Tower contingencies?
A. Load Shed B. Voltage Reduction C. Off-cost Operation D. PJM does not control for these: D. PJM does not control for these
