PJM Generation Operation Exam
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Control center facilities must have a minimum of how many days of fuel for the backup
generator? - CORRECT ANSWER 5 days
If PJM ACE shows overgeneration, actual imports are: - CORRECT ANSWER Less than
scheduled
Who should a generator contact at PJM to clear an outage ticket? - CORRECT
ANSWER Master Coordinator
To correct for a slow or fast clock, system frequency schedules are offset by: - CORRECT
ANSWER +/-.02 Hz
What frequency would PJM set to correct for fast-time error? - CORRECT
ANSWER 59.98Hz
What frequency would PJM set to correct for slow-time error? - CORRECT
ANSWER 60.02Hz
What info is on an instantaneous reserve check? - CORRECT ANSWER synchronized
(regulating and non-regulating), quick start, secondary and beyond secondary reserves
Generators must provide PJM with a realistic Reactive Capability Curve. This curve must have
no less than __ points, and no more than __ points. - CORRECT ANSWER No less than 2
and no more than 8 points
A classic indicator of voltage instability is when system voltages change greatly when... -
CORRECT ANSWER system loads change by a small amount
, Above the line of a D-curve... - CORRECT ANSWER Lagging (pushing VARs).
Generators will be set there during high-load/low voltage conditions.
Below the line of a D-curve... - CORRECT ANSWER Leading (absorbing VARs).
Generators will be set there during low load/high voltage conditions.
MWs and MVARs have what kind of relationship? - CORRECT ANSWER Inverse
(increase in MW = decrease in MVARs)
How often do generators need to test reactive power capability? - CORRECT
ANSWER Every 5 years
The computer hardware and software at each control center shall achieve an availability level of
what for those reliability functions directly affect the successful operation of PJM? - CORRECT
ANSWER 99.95%
What is EHV? - CORRECT ANSWER Extra high voltage. Classified as 345kv and above
Any generator that is a PJM generation capacity resource that has an RPM Resource
Commitment: - CORRECT ANSWER 1. Must submit an offer schedule into the DA
market even if it is self-scheduled or unavailable due to outage
2. Generation capacity resources shall submit:
-A schedule of availability for the next seven days
-May submit non-binding offer prices for the days beyond the next Operating Day
What time period is the Market Participant Bid/Offer Period? - CORRECT
ANSWER 0800-1100
What time are DA Market results posted? - CORRECT ANSWER 1330
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Control center facilities must have a minimum of how many days of fuel for the backup
generator? - CORRECT ANSWER 5 days
If PJM ACE shows overgeneration, actual imports are: - CORRECT ANSWER Less than
scheduled
Who should a generator contact at PJM to clear an outage ticket? - CORRECT
ANSWER Master Coordinator
To correct for a slow or fast clock, system frequency schedules are offset by: - CORRECT
ANSWER +/-.02 Hz
What frequency would PJM set to correct for fast-time error? - CORRECT
ANSWER 59.98Hz
What frequency would PJM set to correct for slow-time error? - CORRECT
ANSWER 60.02Hz
What info is on an instantaneous reserve check? - CORRECT ANSWER synchronized
(regulating and non-regulating), quick start, secondary and beyond secondary reserves
Generators must provide PJM with a realistic Reactive Capability Curve. This curve must have
no less than __ points, and no more than __ points. - CORRECT ANSWER No less than 2
and no more than 8 points
A classic indicator of voltage instability is when system voltages change greatly when... -
CORRECT ANSWER system loads change by a small amount
, Above the line of a D-curve... - CORRECT ANSWER Lagging (pushing VARs).
Generators will be set there during high-load/low voltage conditions.
Below the line of a D-curve... - CORRECT ANSWER Leading (absorbing VARs).
Generators will be set there during low load/high voltage conditions.
MWs and MVARs have what kind of relationship? - CORRECT ANSWER Inverse
(increase in MW = decrease in MVARs)
How often do generators need to test reactive power capability? - CORRECT
ANSWER Every 5 years
The computer hardware and software at each control center shall achieve an availability level of
what for those reliability functions directly affect the successful operation of PJM? - CORRECT
ANSWER 99.95%
What is EHV? - CORRECT ANSWER Extra high voltage. Classified as 345kv and above
Any generator that is a PJM generation capacity resource that has an RPM Resource
Commitment: - CORRECT ANSWER 1. Must submit an offer schedule into the DA
market even if it is self-scheduled or unavailable due to outage
2. Generation capacity resources shall submit:
-A schedule of availability for the next seven days
-May submit non-binding offer prices for the days beyond the next Operating Day
What time period is the Market Participant Bid/Offer Period? - CORRECT
ANSWER 0800-1100
What time are DA Market results posted? - CORRECT ANSWER 1330
