PJM Test Questions
A three hundred MW generator is capable of presenting 60 MVAR at complete strength output
and be within the limits of its generator operating curve.
The generator is currently working at its max MW & MVAR output, whilst due to voltage troubles
PJM requests and extra 50 MVAR guide from the generator.
What movement will should be taken in order to accommodate PJM's request? - ANS-The
energy output will have to be decreased that allows you to increase the MVAR output.
A a thousand MW unit has tripped inside the PJM manage location and the PJM ACE now
shows undergeneration of 1050 MW.
What instant motion should be taken by means of PJM to get better the ACE? - ANS-request
one hundred% spinning reserves to be loaded
A Black Start generator ought to be able to near onto a useless bus inside ______ hours of the
request to begin? - ANS-3 hours
A CT has 26 burn hours at Max Capacity. How ought to this be supplied into the Energy Market?
- ANS-usually
A fossil steam unit is considered gasoline confined when it isn't always capable of going for
walks at its maximum capacity for the next: - ANS-seventy two hours
A producing unit journeys offline even as operating as a mitigating action fro a PJM constraint.
The Generation owner dispatcher have to notify PJM and their Local Control Center: - ANS-right
away
A Heavy Load Voltage Schedule Warning has been issued for the PJM RTO.
Generation Operators should: - ANS-Ensure all unit voltage regulators are in provider
A Heavy Load Voltage Schedule Warning is usually issued _____ prior to actual implementation
- ANS-4 hours
A huge unit in an external control area near PJM/PJM West trips.
The PJM operator will see ACE - ANS-remain the identical, frequency lower
,A Manual Load Dump Warning & Reduction of Non-Critical Plant Load might be issued whilst -
ANS-Primary Reserve is less than the largest producing unit or the loss of a transmission facility
jeopardizes reliability after all possible measures had been taken to growth reserves
a Min Gen Alert is initiated while: - ANS-predicted generation is within 2500 MW of normal
minimum strength limits
A PJM Member has been granted a upkeep outage for one among their mills and has
scheduled the generator to be eliminated from service at 2300 this nighttime.
At 1900, the generator's tube leak worsened, and the generator tripped offline.
The generator outage might be indexed as: - ANS-Forced outage
A tie line with MW flowing into the PJM manipulate vicinity trips. The gadget operator will see
which of the subsequent occur?
A. ACE will lower, frequency will decrease
b. ACE will boom, frequency will growth
c. ACE will decrease, frequency will continue to be the same
d. ACE and frequency will stay the same - ANS-ACE and frequency will continue to be the same
A unit being dispatched economically by means of PJM should set its MW output based totally
on the - ANS-Unit's dispatch charge or desired MW level
A unit that fails to start whilst scheduled, might be categorised as which of the following types of
outages?
1. Deliberate
2. Protection
3. Compelled
4. Self-scheduled - ANS-compelled
According to PJM necessities, which of the following is NOT required by using PJM in providing
adequate and reliable telecommunications?
1. Extraordinary channels
, 2. Dispatch radio systems
3. Satellite tv for pc telephones
4. Secure networks - ANS-dispatch radio structures
According to the PJM marketplace timeline, if a generator is not prevalent in the day beforehand
marketplace, it may put up a new bid for the duration of what period? - ANS-4:00 - 6:00 PM
Actions in a Low Voltage Alert encompass:
a. Put into effect four hrs previous to Heavy Load Voltage Schedule Action
b. Evaluate transmission and era outages
c. Consider converting Reactive Transfer again-off restrict from three hundred MW to 50 MW for
tighter manage
d. Request a Reactive Reserve Check - ANS-assessment transmission and era outages &
request a Reactive Reserve Check
After the day-beforehand market clears, which of the subsequent is NOT an acceptable
movements on the a part of Generation Owners? - ANS-Change the bid on a unit that cleared
the day-beforehand market
All of the following are limits that need to be submitted to PJM for producing devices EXCEPT:
1. Eco Min
2. Eco Max
3. Emergency Max
four. Dynamic Instability - ANS-Dynamic Instability
All of the following factors ought to be stated to PJM whilst an IRC is requested EXCEPT:
1. Operating reserves
2. Synchronized reserve
3. Generator MVAR reserves
4. Non-synchronized reserves - ANS-generator MVAR reserves
A three hundred MW generator is capable of presenting 60 MVAR at complete strength output
and be within the limits of its generator operating curve.
The generator is currently working at its max MW & MVAR output, whilst due to voltage troubles
PJM requests and extra 50 MVAR guide from the generator.
What movement will should be taken in order to accommodate PJM's request? - ANS-The
energy output will have to be decreased that allows you to increase the MVAR output.
A a thousand MW unit has tripped inside the PJM manage location and the PJM ACE now
shows undergeneration of 1050 MW.
What instant motion should be taken by means of PJM to get better the ACE? - ANS-request
one hundred% spinning reserves to be loaded
A Black Start generator ought to be able to near onto a useless bus inside ______ hours of the
request to begin? - ANS-3 hours
A CT has 26 burn hours at Max Capacity. How ought to this be supplied into the Energy Market?
- ANS-usually
A fossil steam unit is considered gasoline confined when it isn't always capable of going for
walks at its maximum capacity for the next: - ANS-seventy two hours
A producing unit journeys offline even as operating as a mitigating action fro a PJM constraint.
The Generation owner dispatcher have to notify PJM and their Local Control Center: - ANS-right
away
A Heavy Load Voltage Schedule Warning has been issued for the PJM RTO.
Generation Operators should: - ANS-Ensure all unit voltage regulators are in provider
A Heavy Load Voltage Schedule Warning is usually issued _____ prior to actual implementation
- ANS-4 hours
A huge unit in an external control area near PJM/PJM West trips.
The PJM operator will see ACE - ANS-remain the identical, frequency lower
,A Manual Load Dump Warning & Reduction of Non-Critical Plant Load might be issued whilst -
ANS-Primary Reserve is less than the largest producing unit or the loss of a transmission facility
jeopardizes reliability after all possible measures had been taken to growth reserves
a Min Gen Alert is initiated while: - ANS-predicted generation is within 2500 MW of normal
minimum strength limits
A PJM Member has been granted a upkeep outage for one among their mills and has
scheduled the generator to be eliminated from service at 2300 this nighttime.
At 1900, the generator's tube leak worsened, and the generator tripped offline.
The generator outage might be indexed as: - ANS-Forced outage
A tie line with MW flowing into the PJM manipulate vicinity trips. The gadget operator will see
which of the subsequent occur?
A. ACE will lower, frequency will decrease
b. ACE will boom, frequency will growth
c. ACE will decrease, frequency will continue to be the same
d. ACE and frequency will stay the same - ANS-ACE and frequency will continue to be the same
A unit being dispatched economically by means of PJM should set its MW output based totally
on the - ANS-Unit's dispatch charge or desired MW level
A unit that fails to start whilst scheduled, might be categorised as which of the following types of
outages?
1. Deliberate
2. Protection
3. Compelled
4. Self-scheduled - ANS-compelled
According to PJM necessities, which of the following is NOT required by using PJM in providing
adequate and reliable telecommunications?
1. Extraordinary channels
, 2. Dispatch radio systems
3. Satellite tv for pc telephones
4. Secure networks - ANS-dispatch radio structures
According to the PJM marketplace timeline, if a generator is not prevalent in the day beforehand
marketplace, it may put up a new bid for the duration of what period? - ANS-4:00 - 6:00 PM
Actions in a Low Voltage Alert encompass:
a. Put into effect four hrs previous to Heavy Load Voltage Schedule Action
b. Evaluate transmission and era outages
c. Consider converting Reactive Transfer again-off restrict from three hundred MW to 50 MW for
tighter manage
d. Request a Reactive Reserve Check - ANS-assessment transmission and era outages &
request a Reactive Reserve Check
After the day-beforehand market clears, which of the subsequent is NOT an acceptable
movements on the a part of Generation Owners? - ANS-Change the bid on a unit that cleared
the day-beforehand market
All of the following are limits that need to be submitted to PJM for producing devices EXCEPT:
1. Eco Min
2. Eco Max
3. Emergency Max
four. Dynamic Instability - ANS-Dynamic Instability
All of the following factors ought to be stated to PJM whilst an IRC is requested EXCEPT:
1. Operating reserves
2. Synchronized reserve
3. Generator MVAR reserves
4. Non-synchronized reserves - ANS-generator MVAR reserves
