Docsity
Docsity
Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity

Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan

Guidelines and tips
Guidelines and tips
Sell on Docsity
Sell on Docsity
Docsity AI
Docsity AI
Log inSign up

Prepare for your exams

Study with the several resources on Docsity

Find documents

Prepare for your exams with the study notes shared by other students like you on Docsity

Search for your university

Find the specific documents for your university's exams

Docsity AINEW

Summarize your documents, ask them questions, convert them into quizzes and concept maps

Explore questions

Clear up your doubts by reading the answers to questions asked by your fellow students

Earn points to download

Earn points by helping other students or get them with a premium plan

Share documents
download point icon20 Points

For each uploaded document

Answer questions
download point icon5 Points

For each given answer (max 1 per day)

All the ways to get free points
Get points immediately

Choose a premium plan with all the points you need

Study Opportunities

Choose your next study program

Get in touch with the best universities in the world. Search through thousands of universities and official partners

Community

Ask the community

Ask the community for help and clear up your study doubts

Free resources

Our save-the-student-ebooks!

Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors

PJM Generation Dispatcher Exam 2025 accurate answers, Exams of Advanced Education

Cheyney University of PennsylvaniaAdvanced Education

PJM Generation Dispatcher Exam 2025 accurate answers

Typology: Exams

2025/2026

Available from 07/02/2026

tizian-mwangi
tizian-mwangi šŸ‡ŗšŸ‡ø

4.1

(8)

29K documents

1 / 17

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
1 / 17
PJM
Generation
Dispatcher
Exam
2025
accurate answers
1.
Real time transmission constraints or contingencies may be
alleviated with generators operating
A.
below 60 Hz.
B.
on a new price curve.
C.
on a new cost curve.
D.
off cost
(out
of
merit).:
D. ott cost (out of
merit).
2.
What is the minimum size for a solar park to be required to
have real and reactive power telemetry?
A.
1 MW
B.
3 MW
C.
5 MW
D.
7MW: B. 3 MW
3.
PJM calls for which of the following to recover the ACE so
that tie line schedules are maintained?
A.
instantaneous reserve check
B.
synchronized reserves
C.supplemental status report
D.
minimum
generation
calculation:
B. synchronized
reserves
4. If not cancelled by PJM, the minimum generation alert expires
A.
at the end of the specified light load period.
B.
when notified by NERC.
C.
12 hours after the alert was issued.
D.
after
a
24hour
period.:
A. at the end of the specified light load period.
5.
When PJM declares a hot weather alert, the generation dispatcher
should
A. determine if maintenance can be deferred.
pf3
pf4
pf5
pf8
pf9
pfa
pfd
pfe
pff

Partial preview of the text

Download PJM Generation Dispatcher Exam 2025 accurate answers and more Exams Advanced Education in PDF only on Docsity!

1 / 17

PJM Generation Dispatcher Exam 2025

accurate answers

  1. Real time transmission constraints or contingencies may be alleviated with generators operating A. below 60 Hz. B. on a new price curve. C. on a new cost curve. D. off cost (out of merit).: D. ott cost (out of merit).
  2. What is the minimum size for a solar park to be required to have real and reactive power telemetry? A. 1 MW B. 3 MW C. 5 MW D. 7MW: B. 3 MW
  3. PJM calls for which of the following to recover the ACE so that tie line schedules are maintained? A. instantaneous reserve check B. synchronized reserves C. supplemental status report D. minimum generation calculation: B. synchronized reserves
  4. If not cancelled by PJM, the minimum generation alert expires A. at the end of the specified light load period. B. when notified by NERC. C. 12 hours after the alert was issued. D. after a 24hour period.: A. at the end of the specified light load period.
  5. When PJM declares a hot weather alert, the generation dispatcher should A. determine if maintenance can be deferred.

2 / 17 B. notify transmission operators. C. direct all generating stations to increase MW output D. direct all generating stations to reduce MVAR output.: A. determine if maintenance can be deferred.

  1. During system restoration, the two categories of reserves are A. dynamic and secondary. B. spinning and quick start. C. dynamic and spinning. D. spinning and primary.: C. dynamic and spinning.
  2. 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.
  3. PJM issues a heavy load voltage schedule. Member companies who own generation facilities should A. remove 230 kV capacitors from service. B. ensure voltage regulators on generating units are in service on automatic. C. inform transmission providers to have marketers in their areas cut trans-actions. D. instruct generating stations to curtail nonessential building loads.: B. ensure voltage regulators on generating units are in service on automatic.
  4. A unit being dispatched economically by PJM should set its MW output based on the A. LMP at generator bus. B. LMP in the unit's zone. C. Unit's dispatch rate or desired MW level. D. generation owner's discretion.: C. Unit's dispatch rate or desired MW level.
  5. What hourly revenue data is required of a generator by PJM? A. Compensated MWh delivered by each unit

4 / 17 B. e-mail C. radio D. transaction management system: A. all call

  1. Real time bus prices may be monitored using A. Data Viewer. B. eDART. C. InSchedule. D. Markets Gateway.: A. Data Viewer.
  2. Which of the following actions is a violation of PJM two settlement market rules? A. offering a unit day ahead on a price-based schedule B. not bidding demand (load) into the day ahead market C. not offering an available PJM capacity resource into the day ahead market D. making the economic high limit and the emergency high limit the same: C. not ottering an available PJM capacity resource into the day ahead market
  3. A unit that fails to start when scheduled, would be classified as which of the following types of outage? A. planned B. maintenance C. unplanned D. self-scheduled: C. unplanned
  4. A forecasted planned outage starts a minimum of how many days into the future? A. 9 B. 30 C. 31 D. 60: C. 31
  5. If PJM ACE shows overgeneration, actual imports are A. less than scheduled. B. more than scheduled. C. exactly as scheduled.

5 / 17 D. on a flat tie line.: B. more than scheduled

  1. Who should a generator contact at PJM to clear an outage ticket? A. Master Coordinator B. Generation Dispatcher C. Transmission Dispatcher . Shift Supervisor:
  2. Which page in Markets Gateway is used to reflect real-time changes to unit status and output? A. Unit Detail B. Schedule Detail C. Unit Hourly Updates D. Schedule Detail Updates:
  3. The loss of a large generation unit on the PJM system can be detected by monitoring A. frequency and PJM area control error. B. frequency and load. C. load and interchange. D. system voltage and load.:
  4. A 1000 MW unit has tripped in the PJM control area and the PJM ACE now indicatesundergeneration of 1050 MW. What immediate action should be taken by PJM to recover theACE? A. Schedule all available regulation. B. Request 100% synchronized reserves be loaded. C. Request a supplementary status report. D. Schedule additional generating units to parallel as soon as possible.:
  5. Which of the following emergency procedures are issued in advance of a scheduled load period toallow sufficient time for the generation dispatcher to prepare for the anticipated capacityshortages? A. warnings

7 / 17 B. synchronized reserve. C. primary reserve. D. dynamic reserve.:

  1. A capacity resource that intends to be eligible to set real- time LMP must: A. be modeled in the PJM EMS B. have a minimum capacity of 30 MW. C. be fully staffed during all summer hours. D. be committed on their cost schedule.:
  2. Which of the following PJM systems are used to report unit outages? A. eDART, eMKT, and eGADS B. eMTR, eSchedules, and eMKT C. eDART, eCapacity, and eGADS D. eDART, eMKT, and eCapacity:
  3. Which of the following units is subject to offer capping? A. a unit performing capacity verification test B. a unit running for transmission congestion C. a unit dispatched to provide spinning reserve D. a unit running to control Eastern Transfer Limits:
  4. eDART is used for all of the following EXCEPT A. generation outage scheduling. B. instantaneous reserve checks. C. LMP information. D. generator reactive capability changes:
  5. Which of the following generating units would be eligible to set LMP? A. A fixed-gen self-scheduled steam unit B. A unit dispatched for constraint control C. A unit that is on for testing only D. A hydro unit in condensing mode:
  6. A tie line with MW flowing into the PJM control area

8 / 17 trips. The system operator will see which ofthe following occur? A. ACE will decrease, frequency will decrease B. ACE will increase, frequency will increase C. ACE will decrease, frequency will remain the same D. ACE and frequency will remain the same:

  1. A Minimum Generation Emergency Alert is initiated when A. PJM projected LMP is at $10/MW. B. expected generation is within 2500 MW of normal minimum energy limits. C. expected generation is within 2500 MW of emergency minimum levels. D.expected generation is within 1000 MW of normal minimum energy limits:
  2. The primary purpose of a Maximum Generation Emergency Alert is to A. allow member companies to inform management to be on site. B. inform companies that PJM is within 1000 MW of normal minimum gener-ation. C. provide an early alert that system conditions may require PJM emergency procedures. D. inform neighboring utilities that PJM has excess emergency reserves avail-able.:
  3. A combustion turbine has 26 burn hours at maximum capacity. How should this be offered into the Energy Market? A. maximum emergency B. minimum emergency C. black start D. normally:
  4. Emergency reducible generation is defined as the difference between A. normal minimum and normal maximum generation.

10 / 17 to be synchro-nized?: Frequency, Voltage, and Phase Angle

  1. GMD (GeoMagnetic Disturbance) procedure is implemented when?: 10A or greater is measured by special equipment at Missouri Ave or Meadowbrook and the measurement is confirmed by one of the following other sources: Excess transformer current @ Meadowbrook, Beddington, Donbs, or Black Oak, high MVAR requirements on transformers @Hopw Creek or Salem nuclear subs, or high DC measurements @Limerick or Peach Bottom
  2. What are the 2 types of National Terrorism Advisory Alerts?: Elevated and Imminent
  3. What action does PJM take for terrorist attack, fuel delivery emergency, or GMD's?: Conservative Operations
  4. What does PJM put the most emphasis on during a terrorist/sabotage event?: Operations and Communications
  5. What does PJM request during a low Voltage alert?: reactive reserve check
  6. PJM issues a heavy load voltage warning how many hours prior to imple-mentation: 4 hours
  7. What should generation owners/operators do during a High System Volt-age Action: Operate at the lower bandwidth of the voltage schedule
  8. How many hours do you have to report a 24Hr reportable NERC distur-bance: 6 hours
  9. What report is generated during a Max Emergency Gen Alert?: Supplementary Status Report
  10. What part of the SSR is the Fuel Limited Resources accounted for?: Part G Resource Limited Units which are units that are not able to run at max capacity for more than 72 hours
  11. What kind of Emergency Procedures occur during real time operating hours: Actions
  12. What is the per Unit (p.u) for a 345kv nominal voltage that is currently at 348kv: 348/345 = 1.008pu

11 / 17

  1. What is the Emergency Reducible Generation (ERG) if the Eco Min is 100 and the Emergency Min is 75?: Eco Min - Emerg Min = 25MW
  2. How many Black Start units are required for critical load/TO zone?: 2 Black Start units
  3. What is the minimum amount of hours for fuel supply for Black Start units: 10 hours, must notify PJM when it reaches that level
  4. Regulation must be attainable within how many minutes: 5
  5. ACE - Area Control Error is used to balance what 2 things?: Generation and Load
  6. If your ACE in your control area i -1500, what would you do?: 100% spinning (synchronized) reserves
  7. Synchronized reserves is generation output from a synchronized resource that can be increased within 10 minutes or?: Reduction in load from a synchronized resource within 10 minutes
  8. When data exchange between PJM and Member Company is not available what will PJM do?: Manual Dsipatch
  9. The satellite phone test is required of generator operating control centers with one or more units totaling how many MW's?: 500MW
  10. What is the maximum overall inaccuracy allowed for data exchange?: 2%
  11. What size generating units must provide instantaneous power and reactive flow data?: 10MW and above
  12. How often must PJM be updated for manually entered data?: 30 min
  13. How often is generator reactive capability testing required?: Every 5 years
  14. How much notification is required to bring a self-scheduled unit online?: 20 minutes
  15. What time of the day does the Day Ahead Market close?: 1200 ET and all bids must be in by this time
  16. Eco Min, Eco Max, and Emerg Max are all generator: limits
  17. What time is the rebidding period for the Day Ahead Market?:

13 / 17

  1. PJM sends what signals to Market Operation Centers?: ACE, Regulation, and Dispatch
  2. PJM instructs your Generator to come online. From what time to the time it is running?: Notification time + Time start
  3. Operating reserves consists of what?: Synchronized reserves, non- synchronized reserves(quick start), and supplemental reserves(secondary)
  4. Regulating units (demand response resources) provide a variable amount of generation under automatic control to provide what?: Correction for small deviations in load
  5. Where's the ideal point for regulation to operate?: Midpoint
  6. What type of outage may be deferred to beyond the next weekend or can be postponed to the following Monday morning at 0800?: Maintenance outage
  7. How long is a maintenance outage during PPM - Peak Period Maintenance?- : 9 days
  8. How long is a maintenance outage during non-Peak Period Maintenance?- : Unlimited
  9. When ambient temperatures are low, what happens to CT operation?: MW increased as temperature decreases
  10. What is the maximum amount of reactive power increments put onto the grid during a reactive power capability test at one time?: 100MVAR
  11. Who can authorize a voltage schedule change?: TO - transmission owner
  12. How many days prior must you put in for a reactive capability test request in eDart?: No later than 3 business days prior to the test
  13. What size generators are required to perform reactive capability tests?: - >=20MW >=75MW
  14. What black start generation is restored before request for customer load?-

14 / 17 : Cranking power for combustion turbines

  1. How often are black start units tested?: Yearly/Annually
  2. Black start unit must be able to close onto a dead bus in how many hours?: 3 hours
  3. Who has to fill out restoration forms?: Generator and Transmission owners
  4. How often does a generator owner need to report restoration information via restoration form?: Hourly

16 / 17

  1. Who is responsible for declaring an emergency with in the PJM RTO?: PJM
  2. Who has priority access to cranking power?: Hot units that can return to service w/in 4 hours

17 / 17

  1. How does PJM define a black start resource?: can start w/o outside electrical supply
  2. How often must blackstart resources be tested per NERC?: At least once every 3 calendar years
  3. How long does PJM require the black start unit has the ability to run?: 16 hours