PJM Generation Dispatcher Sample
Exam
A one thousand MW unit has tripped inside the PJM manage area and the PJM ACE now
indicated undergeneration of 1050 MW. What instantaneous movement need to be taken by
way of PJM to recover the ACE ?
A. Schedule all to be had regulation
B. Request 100% synchronized reserves to be loaded
C. Request a SSR
D. Agenda extra producing gadgets to parallel as soon as possible - ANS-B. Request a
hundred% synchronized reserves to be loaded
A fossil steam unit is considered fuel constrained while it is not able to jogging at its maximum
ability for the next :
A. Sixteen hours
B. 36 hours
C. 72 hours
D. 120 hours - ANS-C. Seventy two hours
A big unit in an external manage region close to PJM/PJM West journeys. The PJM operator will
see ACE :
A. Decrease , frequency lower
B. Stay the same , frequency decrease
C. Continue to be the same , frequency remain the same
D. Increase , frequency boom - ANS-B. Remain the same , frequency lower
A unit being dispatched economically by means of PJM should set its MW output primarily
based at the :
A. LMP at generator bus
B. LMP inside the gadgets zone
C. Gadgets dispatch charge or favored MW stage
D. Generation owners discretion - ANS-C. Gadgets dispatch charge or desired MW degree
A unit that fails to start when scheduled, would be categorized as which of the subsequent
varieties of outage ?
, A. Planned
B. Preservation
C. Unplanned
D. Self-scheduled - ANS-C. Unplanned
During black begin recovery, priority get right of entry to to crankning strength ought to take
delivery of to :
A. Hot units which could go back to service right now
B. Combustion generators in areas where the preliminary disturbance occured
C. Units with black start functionality
D. Hydro devices - ANS-A. Hot gadgets that may go back to service right now
During device recovery , a generator need to no longer be loaded above the level of to be had :
A. Working reserve
B. Synchronized reserve
C. Number one reserve
D. Dynamic reserve - ANS-D. Dynamic reserve
During device healing previous to synchronization of a unit, the dispatcher ought to make sure
sufficient load is available to :
A. Save money unit operation
B. Maximize unit operation
C. Stabilize unit operation
D. Limit unit operation - ANS-C. Stabilize unit operation
During system recovery, frequency ought to be maintained among :
A. 59.50 and 60.00 hertz
B. Fifty nine.75 and 61.50 hertz
C. 59.75 and 61.00 hertz
D. Fifty nine.50 and 60.50 hertz - ANS-C. Fifty nine.75 and 61.00 hertz
During gadget recovery, the two classes of reserves are :
A. Dynamic and secondary
B. Spinning and short begin
C. Dynamic and spinning
D. Spinning and number one - ANS-C. Dynamic and spinning
If a fossil steam unit has less than 32 hours of gasoline at maximum ability, it ought to be bid at :
Exam
A one thousand MW unit has tripped inside the PJM manage area and the PJM ACE now
indicated undergeneration of 1050 MW. What instantaneous movement need to be taken by
way of PJM to recover the ACE ?
A. Schedule all to be had regulation
B. Request 100% synchronized reserves to be loaded
C. Request a SSR
D. Agenda extra producing gadgets to parallel as soon as possible - ANS-B. Request a
hundred% synchronized reserves to be loaded
A fossil steam unit is considered fuel constrained while it is not able to jogging at its maximum
ability for the next :
A. Sixteen hours
B. 36 hours
C. 72 hours
D. 120 hours - ANS-C. Seventy two hours
A big unit in an external manage region close to PJM/PJM West journeys. The PJM operator will
see ACE :
A. Decrease , frequency lower
B. Stay the same , frequency decrease
C. Continue to be the same , frequency remain the same
D. Increase , frequency boom - ANS-B. Remain the same , frequency lower
A unit being dispatched economically by means of PJM should set its MW output primarily
based at the :
A. LMP at generator bus
B. LMP inside the gadgets zone
C. Gadgets dispatch charge or favored MW stage
D. Generation owners discretion - ANS-C. Gadgets dispatch charge or desired MW degree
A unit that fails to start when scheduled, would be categorized as which of the subsequent
varieties of outage ?
, A. Planned
B. Preservation
C. Unplanned
D. Self-scheduled - ANS-C. Unplanned
During black begin recovery, priority get right of entry to to crankning strength ought to take
delivery of to :
A. Hot units which could go back to service right now
B. Combustion generators in areas where the preliminary disturbance occured
C. Units with black start functionality
D. Hydro devices - ANS-A. Hot gadgets that may go back to service right now
During device recovery , a generator need to no longer be loaded above the level of to be had :
A. Working reserve
B. Synchronized reserve
C. Number one reserve
D. Dynamic reserve - ANS-D. Dynamic reserve
During device healing previous to synchronization of a unit, the dispatcher ought to make sure
sufficient load is available to :
A. Save money unit operation
B. Maximize unit operation
C. Stabilize unit operation
D. Limit unit operation - ANS-C. Stabilize unit operation
During system recovery, frequency ought to be maintained among :
A. 59.50 and 60.00 hertz
B. Fifty nine.75 and 61.50 hertz
C. 59.75 and 61.00 hertz
D. Fifty nine.50 and 60.50 hertz - ANS-C. Fifty nine.75 and 61.00 hertz
During gadget recovery, the two classes of reserves are :
A. Dynamic and secondary
B. Spinning and short begin
C. Dynamic and spinning
D. Spinning and number one - ANS-C. Dynamic and spinning
If a fossil steam unit has less than 32 hours of gasoline at maximum ability, it ought to be bid at :