PJM Generation Cert Correct 100%
Actions in low voltage alert? - ANSWER Review transmission & generation outages
Request reactive reserve check
Heavy load voltage schedule warning purpose is to have members prepare far max
support of voltages on the? - ANSWER Bulk Power System
Manual load dump warning & reduction of Non-critical plant load issued when? -
ANSWER Primary reserve is less the the largest generating unit.
Loss of transmission facility jeopardize reliability after all possible measures have been
taken to increase reserves
Hot weather alert - ANSWER COMED 90
DOM & EKPC 95
PJM issues high system voltage message - ANSWER Gen operators should operate
the lower end of their voltage bandwidth
Primary reserve warning - ANSWER Ensure deffer able Maintenance is halted
General actions PJM takes when conservating ops initiated? - ANSWER Purchase/load
additional reserves
begin studying double contingencies
Lower IROL
Increase # of SOS calls
Purpose of heavy voltage schedule action is to increase reactive reserves - ANSWER
EHV system
National terrorism advisory system 2 types of alerts? - ANSWER Elevated threat
Imminent threat
Non-critical plant load - ANSWER lighting, office area a/c
Purpose of capacity emergency warning? - ANSWER keep members informed of actual
capacity shortages or contingencies that may jeopardize reliability during RT ops
keep all affected system personnel aware of the forecast and actual status of the PJM
RTO
Heavy load voltage schedule action - ANSWER Gen operators- maintain MVAR reserve
on units connected to EHV
,During cold weather action - ANSWER Assume an unavailability rate for scheduled
generation
During terrorism/sabotage emphasis on? - ANSWER Operations & communications
For voltage support PJM can request generator adjustments - ANSWER Direct
adversely affect MW%
Generator to come online for voltage support
Remain online when scheduled to come offline
Unit startup notification Alert - ANSWER Place Gen units ready to be started in 48hrs
Voltage reduction - ANSWER 2.5%-5%
Min Gen Alert implemented when - ANSWER The expected gen level is within 2500mw
of normal min energy limits include
Adjusted min generation, valley & load est, margin values
Min Gen Value - ANSWER Economic Min- Emergency Min= ERG
ERG- emergency reducible generation
Temperature for cold weather Alert - ANSWER 10 degress
During suspected terrorism - ANSWER emphasis on operation and communication
NOAA issues alert at - ANSWER K-5 or higher
Voltage reduction Warning - ANSWER Available synchronized reserves is less than
synchronized reserve requirement
Contact who for suspected terrorism - ANSWER PJM shift supervisor
Cold weather alert - ANSWER PJM assumes certain unavailability rates for generation
amount
Regulation - ANSWER Energy under automatic control that can respond within 5 Min
and to freq changes
Correct for small load changes
Synchronized reserves - ANSWER generators respond within 10 min
increase output from generator
reduction in load from a resource
max output energy of synchronous condensor
Operating Reserves - ANSWER Primary reserve T< or = 10min
Synchronized & quick start reserve
, Supplemental reserve 10<T< or = 30min
On or offline reserves within 15min - ANSWER
operating reserves - ANSWER available with in 30 min
Dispatch rate - ANSWER ($/MWh)
Economic basepoint - ANSWER (MW)
Out of merit operations-off cost - ANSWER Transmission constraints, unit ramp rates or
problems
Manual Dispatch- individual dispatch to resource to alleviate a constraint - ANSWER
Sat phone test - ANSWER Every saturday
Manual dispatch - ANSWER Used if SCED (security constrained economic dispatch)
unavailable
PJM all call communication is? - ANSWER One way
Generators that are not capacity reserves must provide instant power data if - ANSWER
>10mw
>1mw connected to 24Kv+bus
Satilite phone for 500mw + operators data change during - ANSWER
Peak load periods - ANSWER Summer prior to 11EPT
Winter Between 10:30-14:30 EPT
Voltage instabilities are shown by? - ANSWER large changes in voltage with small
changes in load
Reactive capability curves - ANSWER 2 to 8 points
eDart - ANSWER Electronic dispatcher application and reporting tool
Must notify PJM of outages in how long in advance? - ANSWER 30 days
What is the peak maintenance period - ANSWER 24th wed - 36th wed of the year
Planned outage extensions must be? - ANSWER 48 hrs prior to expiration
Maintenance outage is an outage that can be deffered until when? - ANSWER Next
monday
Actions in low voltage alert? - ANSWER Review transmission & generation outages
Request reactive reserve check
Heavy load voltage schedule warning purpose is to have members prepare far max
support of voltages on the? - ANSWER Bulk Power System
Manual load dump warning & reduction of Non-critical plant load issued when? -
ANSWER Primary reserve is less the the largest generating unit.
Loss of transmission facility jeopardize reliability after all possible measures have been
taken to increase reserves
Hot weather alert - ANSWER COMED 90
DOM & EKPC 95
PJM issues high system voltage message - ANSWER Gen operators should operate
the lower end of their voltage bandwidth
Primary reserve warning - ANSWER Ensure deffer able Maintenance is halted
General actions PJM takes when conservating ops initiated? - ANSWER Purchase/load
additional reserves
begin studying double contingencies
Lower IROL
Increase # of SOS calls
Purpose of heavy voltage schedule action is to increase reactive reserves - ANSWER
EHV system
National terrorism advisory system 2 types of alerts? - ANSWER Elevated threat
Imminent threat
Non-critical plant load - ANSWER lighting, office area a/c
Purpose of capacity emergency warning? - ANSWER keep members informed of actual
capacity shortages or contingencies that may jeopardize reliability during RT ops
keep all affected system personnel aware of the forecast and actual status of the PJM
RTO
Heavy load voltage schedule action - ANSWER Gen operators- maintain MVAR reserve
on units connected to EHV
,During cold weather action - ANSWER Assume an unavailability rate for scheduled
generation
During terrorism/sabotage emphasis on? - ANSWER Operations & communications
For voltage support PJM can request generator adjustments - ANSWER Direct
adversely affect MW%
Generator to come online for voltage support
Remain online when scheduled to come offline
Unit startup notification Alert - ANSWER Place Gen units ready to be started in 48hrs
Voltage reduction - ANSWER 2.5%-5%
Min Gen Alert implemented when - ANSWER The expected gen level is within 2500mw
of normal min energy limits include
Adjusted min generation, valley & load est, margin values
Min Gen Value - ANSWER Economic Min- Emergency Min= ERG
ERG- emergency reducible generation
Temperature for cold weather Alert - ANSWER 10 degress
During suspected terrorism - ANSWER emphasis on operation and communication
NOAA issues alert at - ANSWER K-5 or higher
Voltage reduction Warning - ANSWER Available synchronized reserves is less than
synchronized reserve requirement
Contact who for suspected terrorism - ANSWER PJM shift supervisor
Cold weather alert - ANSWER PJM assumes certain unavailability rates for generation
amount
Regulation - ANSWER Energy under automatic control that can respond within 5 Min
and to freq changes
Correct for small load changes
Synchronized reserves - ANSWER generators respond within 10 min
increase output from generator
reduction in load from a resource
max output energy of synchronous condensor
Operating Reserves - ANSWER Primary reserve T< or = 10min
Synchronized & quick start reserve
, Supplemental reserve 10<T< or = 30min
On or offline reserves within 15min - ANSWER
operating reserves - ANSWER available with in 30 min
Dispatch rate - ANSWER ($/MWh)
Economic basepoint - ANSWER (MW)
Out of merit operations-off cost - ANSWER Transmission constraints, unit ramp rates or
problems
Manual Dispatch- individual dispatch to resource to alleviate a constraint - ANSWER
Sat phone test - ANSWER Every saturday
Manual dispatch - ANSWER Used if SCED (security constrained economic dispatch)
unavailable
PJM all call communication is? - ANSWER One way
Generators that are not capacity reserves must provide instant power data if - ANSWER
>10mw
>1mw connected to 24Kv+bus
Satilite phone for 500mw + operators data change during - ANSWER
Peak load periods - ANSWER Summer prior to 11EPT
Winter Between 10:30-14:30 EPT
Voltage instabilities are shown by? - ANSWER large changes in voltage with small
changes in load
Reactive capability curves - ANSWER 2 to 8 points
eDart - ANSWER Electronic dispatcher application and reporting tool
Must notify PJM of outages in how long in advance? - ANSWER 30 days
What is the peak maintenance period - ANSWER 24th wed - 36th wed of the year
Planned outage extensions must be? - ANSWER 48 hrs prior to expiration
Maintenance outage is an outage that can be deffered until when? - ANSWER Next
monday
