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SOS NERC PREP - RELIABILITY EXAM QUESTIONS WITH CORRECT ANSWERS
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SOS NERC PREP - RELIABILITY EXAM QUESTIONS WITH CORRECT ANSWERS
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SOS NERC PREP - RELIABILITY EXAMQUESTIONS WITH CORRECT ANSWERS
The sReliability sCoordinator sjust sinformed syou sof sa sslow stime serror scorrection swhich
swill sbegin sat sthe stop sof sthe snext shour. sYour sEMS ssystem swill snot slet syou schange syour
sscheduled sfrequency. sYour sFrequency sBias sSetting sis s-100 sMW/.1Hz. sWhat saction
sshould syou stake?
A) sIncrease sNet sInterchange sSchedule sby s20 sMWs.
B) sInform sthe sReliability sCoordinator sthat syou scannot sparticipate sin sthe stime serror
scorrection.
C) sDecrease sNet sInterchange sSchedule sby s20 sMWs.
D) sIncrease sNet sInterchange sSchedule sby s10 sMWs. s- sans--A) sIncrease sNet
sInterchange sSchedule sby s20 sMWs.
A sBalancing sAuthority shas sa ssudden sloss sof sa slarge sblock sof sload sin sits sarea. sThis
sloss swill sbe sseen sinstantaneously sin sthe schange sof swhich sof sthe sfollowing svalues?
1. sActual sNet sInterchange
2. sScheduled sFrequency
3. sScheduled sNet sInterchange
4. sArea sControl sError
A) s4 sonly
B) s1 s& s3
C) s1 s& s4
D) s3 s& s4 s- sans--C) s1 s& s4
Metered sData sincluded sin sthe scalculation sof sACE sare: sdynamic sschedules, spseudo
sties, sactual sfrequency, sand sall s__________.
A) sTie slines sreadings
B) sGenerators soutput
C) sScheduled sfrequency sindications
D) sTransformer sload s- sans--A) sTie slines sreadings
,Balancing sAuthority sA sis scurrently sreading sa ssystem sfrequency sof s60.00 sHz. sIts sNet
sActual sInterchange sis s+100 sMW sand sits sNet sScheduled sInterchange sis s+200 sMW. sIf
sBalancing sAuthority sA's sfrequency sbias ssetting sis s100 sMW/0.1 sHz, swhat sis sACE?
A) s-100
B) s0
C) s10
D) s100 s- sans--A) s-100
A sBalancing sAuthority shas sa sNet sInterchange sSchedule sof s-250 sMWs sfrom s1200 sto
s1600 son sa ssummer sday. sThe sNet sInterchange sActual sfor sthose ssame shours
srespectively swere s-230 sMW, s-275 sMW, s-250 sMW sand s-270 sMW. sWhat swas sthe
sBalancing sAuthority's sInadvertent sInterchange sfor sthe s4-hour speriod?
A) s6 sMWs sout
B) s25 sMWs sin
C) s25 sMWs sout
D) s6 sMWs sin s- sans--B) s25 sMWs sin
For sthe sACE sequation sto swork sproperly, sdynamic sschedules, spseudo sties, sfrequency,
sand sall s________________ smust sbe smetered.
A) sGeneration
B) sCommunications
C) sTransformers
D) sTie slines s- sans--D) sTie slines
If sthe sfrequency sbias ssetting sis sset sto sa sless snegative svalue sthan sthe sfrequency
sresponse sof sa sBalancing sAuthority sand sa sfrequency sincrease sis scaused sby sa ssudden
sloss sof sload sin san sexternal sbalancing sarea, swhat swill sbe sthe sresult?
A) sThe sACE swill sbe szero sand swill stake sno sAGC saction
B) sThe sACE swill sbe sa snegative svalue sand sAGC swill sincrease sgeneration
C) sThe sACE swill sbe sa spositive svalue sand sAGC swill slower sgeneration
D)This swill snot saffect sthe sACE s- sans--B) sThe sACE swill sbe sa snegative svalue sand sAGC
swill sincrease sgeneration
If sthe sfrequency sbias ssetting sis sless snegative sthan sthe sfrequency sresponse sof sa
sBalancing sAuthority sand sa sfrequency sdecline sis scaused sby sa ssudden sloss sof
sgeneration sin san sexternal sbalancing sarea, swhat swill sbe sthe sresult?
A) sThe sACE swill sbe sa snegative svalue sand sAGC swill sincrease sgeneration.
,B) sThis swill snot saffect sthe sACE.
C) sThe sACE swill sbe sa spositive svalue sand sAGC swill slower sgeneration.
D) sThe sACE swill sbe szero sand swill stake sno sAGC saction. s- sans--C) sThe sACE swill sbe sa
spositive svalue sand sAGC swill slower sgeneration.
It sis sthe sresponsibility sof swhich sentity/entities sto sdevelop, smaintain, sand simplement
sload sshedding splans?
A) sTransmission sOperators sand sBalancing sAuthorities
B) sReliability sCoordinator
C) sLoad sServing sEntities
D) sBalancing sAuthority s- sans--A) sTransmission sOperators sand sBalancing sAuthorities
A sTransmission sline sis sloaded s25% sabove sits sSOL. sA sparallel sline sis sout sfor sroutine
smaintenance sand scan sbe splaced sin sservice sin s10 sminutes. sWhat sis sthe sfirst sstep sthe
sOperator sshould stake sto sreduce sthe sline sloading?
A)Shed sload sat sthe sdownstream sbus.
B) sOpen sthe sline.
C) sRe-Dispatch sGeneration.
D) sInitiate sthe srestoration sof sthe sparallel sline. s- sans--D) sInitiate sthe srestoration sof sthe
sparallel sline.
As sa sTransmission sOperator, syou srealize sthat sthe svoltage slevel sis sstarting sto sdecline
sin sthe sNorth sWest spart sof sthe ssystem. sWhich sof sthe sfollowing sdevices sshould syou, sas
sa sTransmission sOperator, sbe sable sto soperate, sand/or shave sanother sentity soperate sto
sraise sthe svoltage slevel sback sto snormal sin sthe sNorth sWest spart sof sthe ssystem?
A) sTransformer sUnderload sTap sChangers
B) sShunt sCapacitor sBanks
C) sGenerator sReactive sOutput
D) sAll sanswers sare scorrect s- sans--D) sAll sanswers sare scorrect
Voltage sreduction sfor sload srelief sshould sbe smade son sthe s__________.
A) sDistribution ssystem
B) sEntire sInterconnection ssimultaneously
C) sTie-lines swith sother sBalancing sAuthority sAreas
, D) sTransmission sSystem s- sans--A) sDistribution ssystem
Under sFrequency sLoad sShedding s(UFLS) sis sto sstabilize sthe simbalance sbetween
sgeneration sand sload sthat shas sbeen screated sby sa ssystem sdisturbance. sThis sis
saccomplished sby s____________.
A) sTripping sgeneration sfirst
B) sVoltage sreduction son sthe sdistribution ssystem.
C) sShedding sall sload sto sarrest sfrequency
D) sShedding sload sprior sto sgeneration stripping s- sans--D) sShedding sload sprior sto
sgeneration stripping
Failure sto smeet sthe sDCS scriteria sof srecovery swithin s15 sminutes sresults sin swhich
sconsequence sfor sa sspecified stime speriod sfor sthe sBalancing sAuthority's sfailure sto
srecover?
A) sIncreased sContingency sReserve srequirements
B) sDecertification sas sa sBalancing sAuthority
C) sNot sallowed sto ssupply sregulation sservices
D) sExpulsion sfrom sthe sReserve sSharing sGroup s- sans--A) sIncreased sContingency
sReserve srequirements
A sBalancing sAuthority sforesees sor sis sexperiencing sconditions swhere sall savailable
sresources sare scommitted sto smeet sfirm sload, sand sfirm stransactions. sThe sBA sshould
srequest swhich slevel sof sthe sEnergy sEmergency sAlerts?
A) sEnergy sEmergency sAlert sLevel s2
B) sEnergy sEmergency sAlert sLevel s4
C) sEnergy sEmergency sAlert sLevel s1
D) sEnergy sEmergency sAlert sLevel s3 s- sans--C) sEnergy sEmergency sAlert sLevel s1
Preparations sare sbeing smade sto stie stwo sislands stogether sduring srestoration. sIsland s"A"
shas sa sfrequency sof s58.95 sHz sand sIsland s"B" shas sa sfrequency sof s59.97 sHz. sWhat
saction sshould sbe staken sto ssynchronize sthe stwo sislands?
A) sShed sload sin sIsland s"B"
B) sShed sload sin sIsland s"A".
C) sDisable sthe sSynch sCheck sRelay.
D) sIncrease sgeneration sin sIsland s"B". s- sans--B) sShed sload sin sIsland s"A".
You sexperience sa sfull ssystem sshutdown. sYou sare sin sthe sprocess sof srestoring sload sand
syou sare sconcerned sabout sre-collapsing sthe ssystem. sWhich sis sthe sbest sapproach sin
sthe srestoration sprocess sthat swill shelp sensure syour ssystem swill sbe srestored
ssuccessfully?
A) sMaintain sfrequency sbetween s59.5 sHZ sand s60.5 sHZ.
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