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PJM Generation Dispatcher Exam
Practice Questions With Verified
Solutions
ACE - Area Control Error is used to balance what 2 things?-correct-answer-
Generation and Load
If your ACE in your control area is -1500, what would you do?-correct-answer-
100% spinning (synchronized) reserves
Synchronized reserves is generation output from a synchronized resource that can
be increased w/in 10 min or?-correct-answer-Reduction in load from a
synchronized resource w/in 10 min.
When data exchange between PJM and Member Company is not available what
will PJM do?-correct-answer-Manual Dispatch
The satellite phone test is required of generator operating control centers with
one or more units totaling how many MW's?-correct-answer-500 MW
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What is the maximum overall inaccuracy allowed for data exchange?-correct-
answer-2%
What size generating units must provide instantaneous power and reactive flow
data?-correct-answer-10 MW and above
How often must PJM be updated for manually entered data?-correct-answer-30
min
How often is generator reactive capability testing required?-correct-answer-Every
5 yrs.
How much notification is required to bring a self-scheduled unit online?-correct-
answer-20 min
What time of the day does the DA- Day ahead market close?-correct-answer-1200
EST and all bids must be in by this time.
PJM Generation Dispatcher Exam
Practice Questions With Verified
Solutions
ACE - Area Control Error is used to balance what 2 things?-correct-answer-
Generation and Load
If your ACE in your control area is -1500, what would you do?-correct-answer-
100% spinning (synchronized) reserves
Synchronized reserves is generation output from a synchronized resource that can
be increased w/in 10 min or?-correct-answer-Reduction in load from a
synchronized resource w/in 10 min.
When data exchange between PJM and Member Company is not available what
will PJM do?-correct-answer-Manual Dispatch
The satellite phone test is required of generator operating control centers with
one or more units totaling how many MW's?-correct-answer-500 MW
, 2|Page
What is the maximum overall inaccuracy allowed for data exchange?-correct-
answer-2%
What size generating units must provide instantaneous power and reactive flow
data?-correct-answer-10 MW and above
How often must PJM be updated for manually entered data?-correct-answer-30
min
How often is generator reactive capability testing required?-correct-answer-Every
5 yrs.
How much notification is required to bring a self-scheduled unit online?-correct-
answer-20 min
What time of the day does the DA- Day ahead market close?-correct-answer-1200
EST and all bids must be in by this time.
