Q&A STUDY GUIDE GRADED A+
◉Generation available within 10 minutes for offline reserve units:
Quick-start (hydro), manual, operating, supplemental. Answer:
Quick-start (hydro)
◉Minimum MVARs for an individual generator that is required to do
reactive testing?. Answer: 20 MVA
◉Minimum MVARs for an aggregate of generators that is required to
do reactive testing?. Answer: 75 MVA
◉Power transformer is connected to the generator with which line?.
Answer: Primary
◉In a balancing authority region, If a site trips offline, what
increases?. Answer: positive time error
◉How many hours before NERCs 24hour deadline ends must you
report disturbance to PJM?. Answer: 6 hrs
,◉How does PJM avoid dealing with economic issues during
transmission related constraints. Answer: cost (offer) capping
generation
◉If a generator doesn't have ICCP, what does it have to be linked
through so data is available?. Answer: SCADA (through EMS)
◉Which balancing control mode is used by PJM under normal
operations?. Answer: Tie line bias
◉the purpose for balancing area to have AR (area regulator) is to
correct for:. Answer: small deviations in load
◉what esuite tool is used to maintain individual generator
regulation data that is submitted by PJM members?. Answer:
eMarket
◉cold weather alert is for what temp?. Answer: 10F
◉what are the three types of transmission constraint that PJM
monitors?. Answer: Reactive, Stability, Thermal (transfer limits)
◉which would be the last step PJM would take in attempting to
relieve a transmission constraint?. Answer: shed load
, ◉Load in PJM is generally served using ___ transmission service..
Answer: Network Integration
◉If you were going to import, export, or wheel power through PJM,
you would use ____ transmission services?. Answer: point-to-point?
◉what is an example of a quick start reserve?. Answer:
Hydroelectric
◉In order to lower system voltage, ___ must decrease to decrease
_____. Answer: MW, MVAR
◉what is PJM's reg requirement during a system restoration?.
Answer: 2% of current load
◉During restoration conditions, what amount of load must be shed
in order to increase frequency by 1.0Hz. Answer: 6-10%
◉During restoration conditions, what percentage of load must be
shed in order to alter frequency by 1% Hz?. Answer: 1-2% of load to
alter frequency by 1%