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PJM Generation Dispatch Exam questions, Exams of Advanced Education

Cheyney University of PennsylvaniaAdvanced Education

PJM Generation Dispatch Exam questions

Typology: Exams

2025/2026

Available from 07/02/2026

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PJM Generation Dispatch Exam questions
1.
Which of the following statements is correct concerning PJM
assuming fre-quency control of the restoration process?
A) PJM assumes control once an external transmission tie has
been estab-
lished.
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.: C) Whenever it becomes too much of a burden for any one
Transmission Owner within the RTO
2. 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:
A)
Hot
units
that
can
return
to
service
immediately.
3.
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
Intercon-
nection 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
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PJM Generation Dispatch Exam questions

  1. Which of the following statements is correct concerning PJM assuming fre-quency control of the restoration process? A) PJM assumes control once an external transmission tie has been estab-lished. 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.: C) Whenever it becomes too much of a burden for any one Transmission Owner within the RTO
  2. 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: A) Hot units that can return to service immediately.
  3. 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 Intercon-nection 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

2 / D) Pursue this opportunity only if you need cranking power for your generat-ing unity: C) Pursue this opportunity as quickly as possible

  1. Complete (Total System) Blackouts are characterized by which of the follow-ing? 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: B) 2 & 4
  2. 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: D) Verify that communication is functional with your neighbors
  3. 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: D) To prepare and expedite the return of the unit
  4. Factors that help determine the sequence of restoration of off- line genera-tion include (Pick 2):

4 / B) spinning and quick start C) dynamic and spinning D) spinning and primary: C) dynamic and spinning

  1. During a system restoration you have 400MW of Steam capacity, 350MW of CT capacity and 300MW of Hydro capacity restored. Your largest contingency is a 200MW Steam Unit. You have also restored 150MW of under-frequency load. What is your total dynamic reserve? (Load pick-up factors are 5% for steam, 15% for hydro and 25% for CT) A) 142.5MW B) 152.5MW C) 285MW D) 292.5MW: C) 285MW
  2. What is the most critical communication path when restoring large load blocks early in a system restoration? A) Between the Generating Unit and the Transmission Owner B) Between PJM and the generating plant C) Between the Generator Owner (or MOC) and the generating unit D) Between the transmission owner and the MOC: A) Between the Generating Unit and the Transmission Owner
  3. Your entire system has blacked out due to an event. You receive word from PJM that the entire region is affected as well. Your blackstart generation resources are spread throughout your system, which cover a large area. Which restoration strategy would be the best for you to implement? A) Combination approach B) Bottom-up Core Island approach C) Top-down approach D) Bottom-up Multiple Island approach: D) Bottom-up multiple island approach

5 /

  1. During a system restoration, which entity directs the loading of generation, to match the load restored? A) PJM B) The Generating Unit C) The Transmission Owner D) The Generation Owner (or MOC): C) The Transmission Owner

7 /

C) 3

D) 4: B) 2

8 /

  1. During a restoration process you have 6,000MW of customer demand restored and frequency drop by 1 Hz how much load needs to be shed to restore frequency back to where it was prior to the disturbance? A) 180MW to 360MW B) 300MW to 480MW C) 360MW to 600MW D) 480MW to 720MW: C) 360MW to 600MW
  2. Which of the following is/are requirements for Black Start Units? (Pick all that apply)
  • Must have and maintain procedures for the unit
  • Have the ability to maintain frequency and voltage under varying load
  • Must be tested every 3 years
  • Must be able to run for 12 hours, or defined by the TO restoration plan: -Must have and maintain procedures for the unit -Have the ability to maintain frequency and voltage under varying load
  • Must be tested every 3 years
  1. Which of the following statements would be considered an implication from receiving power from an outside entity? A) Equipment Damage B) Isolation of the unit from the outside entity C) Maximize the time for generator restarts D)Unintentional interconnection between the two areas: D) Unintentional interconnec-tion between the two areas
  2. Which of the following would be considered pre-tie preparations when interconnecting islands? (Select 2)
  • Ensure reliable communications are available for all entities involved in the interconnection process

10 /

  • Identification of the transmission line to tie areas together
  • Provide updated hydroelectric capability: - Ensure reliable communications are available for all entities involved in the interconnection process
  • Identification of the transmission line to tie areas together
  1. If a change in the capability of a Black Start resource affects the ability of a generator to meet the Transmission Operator's individual restoration plant, the Generation Operator shall notify the Transmission Operator of the known changes within. A) 4 hours B) 8 hours C) 16 hours D) 24 hours: D) 24 hours
  2. During a restoration process, Generation Owners are required to update their progress by submitting a report: A) On an hourly basis B) Every 1/2 hour C) For every unit returning to service D) As conditions on the system change: A) On an hourly basis
  3. Concerning PJM requirements for critical start generation, which of the following statements applies to the units capability to maintain frequency? () A) Dynamic offline testing of the units voltage controls B) Picking up an isolated block of loads C) Producing leading and lagging VARs D)Dynamic Off-line testing of the units governor control: B) Picking up an isolated block of loads D) Dynamic Ott-line testing of the units governor control
  4. During system restoration, a generator should not be loaded above the level of available

11 / A) operating reserve B) synchronized reserve C) primary reserve D) dynamic reserve: D) dynamic reserve

  1. Dynamic Reserves consist of A) Governor Reserve and load that has been restored with under frequency relays B) Quick-start generation that can be loaded within 10 minutes C) On-line generation that can be loaded within 10 minutes D)Customer load that can be manually shed within 10 minutes: A) Governor Reserve and load that has been restored with under frequency relays
  2. Each Generation Operator with a black start resource shall provide training to each of its operating personnel responsible for operating the unit at a minimum of A) One hour of training every two calendar years B) Two hours of training every two calendar years C) One hour of training every three calendar years D) Two hours of training every three calendar years: B) Two hours of training every two calendar years
  3. Cold load pick-up is best described as A) Load that is comprised of cooling equipment such as air conditioning and fans B) Load which has been de-energized for some time and has lost its cycling characteristics C) Load circuits that are equipped with under-frequency relaying D) Characteristics of load when the temperature is below 32 degrees Fahren-heit: B) Load which has been de-energized for some time and has lost its cycling characteristics
  4. Who is responsible for determining the amount of Black

13 / A) The Load-servicing Entities in the zone B) The Transmission Owner C) The Generation Owner D) PJM: B) The Transmission Owner

  1. While progressing through your system restoration plan, you come across a transmission line that has both of its breakers closed. The line is far removed from any generation sources. Which of the following statements describes the best course of action you should take? A) The line is clearly faulted and should not be re-energized until all other facilities are in service. B) The line is not faulted and can be re-energized immediately. C)Clear the remaining breakers on the bus and test energize it with a remote line D)Have field personnel check the relay targets at both terminals to determine if the line is faulted: D) Have field personnel check the relay targets at both terminals to determine if the line is faulted
  2. Using the following information, determine the maximum amount of load that should be restored (assume a 5% governor droop). Generation Capacity on-line = 1000MW System Load = 800MW System Frequency = 60.5 Hz A) 50MW B) 90MW C) 120MW D) 150MW: A) 50MW Do not restore load blocks that exceed 5% of the synchronized gen capacity

14 /

  1. Which of the following would be considered as the 'final step' in determin-ing the status of generation after a disturbance or event has occurred?

16 / the dispatcher should ensure sufficient load is available to A) economize unit operation B) maximize unit operation

17 / c) stabilize unit operation D) minimize unit operation: c) stabilize unit operation

  1. During system restoration, frequency should be maintained between A) 59.50 and 60.00 Hz B) 59.75 and 61.50 Hz C) 59.75 and 61.00 Hz D) 59.50 and 60.50 Hz: C) 59.75 and 61.00 Hz
  2. Concerning the PJM requirements for critical Black Start generation, which of the following statements applies to the unit's capability to maintain fre-quency? (Select 2)
  • Dynamic off-line testing of the unit's governor control
  • Picking up an isolated block of loads
  • Dynamic off-line testing of the unit's voltage controls
  • Producing leading ang lagging VARs: - Dynamic ott-line testing of the unit's governor control
  • Picking up isolated block of loads
  1. Which of the following is considered the MOST important form of commu-nication during system restoration? A) Face-to-face conversations B) SCADA data from your EMS C) Hard copy data (Faxed information, emails) D) Voice circuits or radios: D) Voice circuits or radios
  2. According to the NERC EOP-005-2, Requirement 9, each Transmission Own-er shall have Black Start testing requirements in place to verify the capability of each generation resource to meet the restoration plan requirements. Un-der this process, each generator shall be tested at least every A) Year

19 / C) Five years D) Seven years: B) Three years

  1. When connecting islands, how do you know if your system is stable? (Pick 2)
  • The overall inertia of the generators will be decreased when interconnected
  • Small deviations in frequency and voltage when restoring load
  • Load is being picked up with automatic under-frequency relaying available
  • Adequate operating reserves: - Small deviations in frequency and voltage when restoring load
  • Load is being picked up with automatic under-frequency relaying available
  1. Which of the following can NOT be changed hourly?
  • Regulation high and low limits
  • MW capability of regulation
  • price of regulation
  • status of regulation: - price of regulation
  1. The field windings of a generator are located in which part of the genera-tor?
  • Stator
  • Turbine
  • Rotor
  • Exciter: - Rotor
  1. Which of the following is not a goal of the PJM Market Monitor?
  • Maximization of generator revenues
  • Limit returns to market power
  • Provide incentives to competitive behavior
  • Facilitate competition: - Maximization of generator revenues
  1. A means of generating hot water, and/or high and low

20 / pressure steam and electricity at the same time, from the same energy source, yielding a highly efficient power plant is defined as: