100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
PRACTICE TEST NERC QUESTIONS WITH COMPLETE SOLUTIONS $14.99   Add to cart

Exam (elaborations)

PRACTICE TEST NERC QUESTIONS WITH COMPLETE SOLUTIONS

 7 views  0 purchase
  • Course
  • NERC
  • Institution
  • NERC

PRACTICE TEST NERC QUESTIONS WITH COMPLETE SOLUTIONS

Preview 3 out of 20  pages

  • August 24, 2024
  • 20
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NERC
  • NERC
avatar-seller
HIGRADES
PRACTICE TEST NERC
QUESTIONS WITH
COMPLETE SOLUTIONS




AVtransmissionVlineVisVoperatingVwithVaVvoltageVphaseVangleVdifferentVofV30Vdegre
esVbetweenVtheVsendingVVsVandVtheVreceivingVbusVVr.VIfVtheVreceivingVendVloadVi
sVsuddenlyVincreased,VtheVvoltageVphaseVangleVdifferenceVwillVbe?V-
VcorrectVanswer-
TheVphaseVangleVwillVincrease.VWhenVloadVisVincreasedVphaseVangleVwillVincrease
.

AVloadVhasVaVpowerVfactorVofV0.9Vlagging.VIfVtheVloadVdrawsV100VMVA,VwhatVisVth
eVMWVdraw?V-VcorrectVanswer-90Vpf=Vmw/mva

TheVhighVsideVofVaVdelta-
wyeVconnectionVtransformerVisVconnectedVtoVaVpowerVsystemVwithV199VkVVL-
GVhighVsideVvoltage.VWhatVisVtheVvoltageVacrossVtheVdeltaVwindingVofVtheVtransfor
mer?V-VcorrectVanswer-Vl-l=VsquareVrootVofV3VtimesVVl-gV1.73x191=V345kV

IfVaVtransmissionVlineVisVcarryingV400VMWVandV300VMVARVwhatVisVtheVMVA?V-
VcorrectVanswer-3-4-5VtriangleV500VMVA


TheVprimeVmoverVisVtheVcomponentVofVtheVgeneratorVthatVcreatesVtheVrotationalVf
orce.VInVaVtypicalVcoalVfiredVsteamVgeneratorVwhatVcomponentVspinsVtheVrotor?V-
VcorrectVanswer-Turbine

,ReactiveVreserveVresponseVduringVaVdisturbanceVisVbestVobtainedVfromVwhichVdevi
se?V-VcorrectVanswer-SynchronousVcondensers

ForVtwoVidenticallyVconstructedVtransmissionVlinesVwhereVLineVAVisV150VmilesVlong
VandVlineVBVisV15VmilesVlong,VifVbothVlinesVareVlightlyVloaded?V-VcorrectVanswer-
AVproducesVmoreVreactiveVpowerVthanVB.

LightlyVloadedVtransmissionVlinesVessentiallyVbehaveVlike?V-VcorrectVanswer-
ShuntVCapacitors

YouVreceiveVanValarmVthatVindicatesVlowVoilVpressureVonVanVundergroundVtransmi
ssionVcable.VSCADAVshowsVtheVpressureVisVcontinuingVtoVdrop.VWhatVisVtheVfirstV
stepVyouVtakeVtoVprotectVtheVline?V-VcorrectVanswer-IsolateVtheVline

ComputerVsimulationsVshowVthatVforVaV100VMWVscheduleVfromVBusVAVtoVBusVB,V
63%VofVtheVscheduleVwillVflowVonVtheVscheduledVpathVandVtheVremainderVwillVflow
VonVotherVparallelVpaths.VWhatVisVtheVdistributionVfactorVforVtheVscheduledVpath?V-
VcorrectVanswer-63%


WhichVstatementVbestVdescribesVhowVreactiveVpowerVMVARVpowerVnormallyVflows
?V-VcorrectVanswer-HighVVoltageVtoVLowVVoltage

WhichVofVtheVfollowingVtypesVofVdataVareVBAVandVRCVnotVrequiredVtoVshareVwithV
oneVanother?V-VcorrectVanswer-GeneratorVstartVupVcost

TOPVmustVdevelop,Vmaintain,VandVimplementVformalVpoliciesVandVproceduresVtoVp
rovideVforVtransmissionVreliability.VWhichVofVtheVfollowingVDOESVNOTVneedVtoVbeV
addressedVinVtheseVpoliciesVandVprocedures?V-VcorrectVanswer-
PlannedVoutagesVofVgenerationVunits

AV1000VMVAVratedVgeneratorVthatVproducesV800VMWVandV100VMVARVisVbestVdes
cribedVas?V-VcorrectVanswer-OperatingVinVaVlaggingVmode.VInductiveVsystem

WhichVofVtheVfollowingVtypesVofVMWVloadVisVtheVmostVimpactedVbyVanVintentionalV
frequencyVreduction?V-VcorrectVanswer-Motor

AssumeVthereVareVtwoV250VmileVlongVtransmissionVlinesVexportingVanVexcessiveVa
mountVofVMWVfromVaVgenerationVareaVtoVaVloadVarea.VOneVofVtheVlinesVsuddenlyV
tripsVandVtheVareaVpowerVsystemVcollapsesVwithinVaVfewVseconds.VTheVmostVlikel
yVcauseVofVtheVcollapse?V-VcorrectVanswer-AngleVInstability

TheVphaseVvoltageVinVaVwye-
connectedVloadVisV277VV.VWhatVisVtheVlineVtoVlineVvoltage?V-VcorrectVanswer-
480VV

AVsimpleVpowerVsystemVisVcomposedVofVthreeVlinesVconnectingVgenerationVtoVload
.VEachVlinesVtheVsameVimpedance,VisVinitiallyVloadedVatV200VMW,VandVhasVaVther
malVlimitVofV400VMW.VIfVoneVlineVtrips,VwhatVtheVloadingVonVtheVshortestVremainin
gVlineVbeVandVwillVtheVthermalVlimitVeitherVremainingVlineVbeVviolated?V-
VcorrectVanswer-300VMWVandVNo

, TheVbestVpredictionVofVsystemVloadVisVtheVloadVforecastVtoolVthatVuses?V-
VcorrectVanswer-ForecastedVWeather


IfVtheVphaseVangelVatVanVopenVbreakerVisVequalVtoV1/10VofVaVcycle,VthisVisVtheVth
eVsameVangleVas?V-VcorrectVanswer-1/10VofV360VsoV36

AV___________VtoolVisVusedVtoVensureVtheVpowerVsystemVcanVrespondVwithinVacc
eptableVlimitsVofVN-1V-VcorrectVanswer-ContingencyVAnalysis

WhichVofVtheVfollowingVactivitiesVwouldVnotVbeVincludedVinVtheVproceduresVforVtran
smissionVreliability?V-VcorrectVanswer-AncillaryVserviceVpricing

TheVtransmissionVOperatorVandVBAVshallVprovideVdocumentationVthatVoperatingVpe
rsonnelVhaveV______VtoVimplementVrealVtimeVactionsVtoVensureVtheVstableVandVrel
iableVoperationVofVtheVBES.V-VcorrectVanswer-
ProperVNERCVCertificationVCredential

AVutilityVdistributionVbusVhasVtheVfollowingVcustomerVloadsVattached.VWhatVisVtheVt
otalVcustomerVMWVloadVandVisVtheVtotalVcustomerVloadVcapacitiveVorVinductive?
V5VMWV1VMVARV&V3VMWV1VMVARV&V2VMWV-2VMVARV&V10VMWV3VMVARV-
VcorrectVanswer-20VmwVandVInductive


HowVmanyVMVARsVdoesVaV230VkV,V50VMVARVcapacitorVbankVprovideVwhenVtheV
voltageVidV207VkVV-VcorrectVanswer-ActualVMW/VRatedVMWV^2VxVCapacitorVRating
40

YouVareVaVsystemVoperatorVandVtheVloadVforecastVisVforVanVallVtimeVsummerVpeak
VloadVday,VgenerationsVandVreactiveVresourcesVwillVbeVtight.VWhichVscheduledVjob
VwouldVyouVallowVtoVproceed?V-VcorrectVanswer-
735VkVVshuntVreactorVmaintenance.

AVcontingencyVresultsVinVtheVexceedanceVofVanVIROL.VWhatVcouldVbeVtheVresultVif
VtheVIROLVisVallowedVtoVbeVexceededVlongerVthanVTVsubVvV-VcorrectVanswer-
InterruptionVofVpowerVtoVaVlargeVpartVofVtheVBES

GeneratorsVhaveVtheVabilityVtoVbeVusedVasVvoltageVcontrolVdevices.VIfVaVgenerator
VraisesVitsVVARVoutput,VtheVsystemVoratorVshouldVexpectVsystemVstageVto?V-
VcorrectVanswer-Increase


TheVactualVvoltageVisV362kVVonVaV345Vbus.VWhatVisVtheVp.u.Vvoltage?V-
VcorrectVanswer-1.05


InVtheVinitialVstagesVofVaVsystemVrestorationVconditionVhighVtransmissionVsystemVv
oltageVproblemsVareVmoreVlikelyVthanVlowVtransmissionVsystemVvoltageVproblemsV
why?V-VcorrectVanswer-
BecauseVofVexcessiveVMVARVsupplyVfromVtheVenergizationVofVtransmissionVlines

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller HIGRADES. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $14.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

78310 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$14.99
  • (0)
  Add to cart