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IEC/IEEE62582-1:2024-09(en-fr)
IEC/IEEE62582-1
?
Edition2.0 2024-09
INTERNATIONALSTANDARD
Nuclearpowerplants–Instrumentationandcontrolimportanttosafety–Electricalequipmentconditionmonitoringmethods–
Part1:General
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IEC/IEEE62582-1
?
Edition2.0 2024-09
INTERNATIONALSTANDARD
Nuclearpowerplants–Instrumentationandcontrolimportanttosafety–Electricalequipmentconditionmonitoringmethods–
Part1:General
INTERNATIONALELECTROTECHNICALCOMMISSION
ICS27.120.20 IECISBN978-2-8322-9581-6
IEEEISBN979-8-8557-1270-4STD27336
Warning!Makesurethatyouobtainedthispublicationfromanauthorizeddistributor.
?RegisteredtrademarkoftheInternationalElectrotechnicalCommission
–
PAGE
10
– IEC/IEEE62582-1:2024?IEC/IEEE2024
IEC/IEEE62582-1:2024?IEC/IEEE2024 –
PAGE
11
–
CONTENTS
FOREWORD 3
INTRODUCTION 5
Scope 8
Normativereferences 8
Termsanddefinitions 9
Conditionindicators 11
General 11
Chemicalindicators 12
Physicalindicators 12
Electricalindicators 12
Otherindicators 12
Visualandtactileobservation 12
Applicabilityofconditionindicatorstodifferenttypesofpolymericmaterials 12
Destructiveandnon-destructiveconditionmonitoring 13
Applicationofconditionmonitoringinequipmentqualificationandmanagementof
ageing 13
General 13
Useofconditionmonitoringintheestablishmentofqualifiedlife 13
Establishmentofqualifiedlife 13
Determinationoftheaccelerationfactorinacceleratedthermalageing 14
Useofconditionmonitoringintheextensionofqualifiedlife 15
Useofconditionmonitoringintheestablishmentandassessmentof
qualifiedcondition 15
Useofbaselinedata 17
AnnexA(informative)Diffusionlimitedoxidation(DLO) 18
General 18
ImportanceofDLOinthermalageing 18
MethodsforprofilingDLOeffects 19
TheoreticalapproachtoDLO 19
Bibliography 21
Figure1–ExampleofanArrheniusdiagram 14
Figure2–Influenceofactivationenergyonqualifiedlife,determinedfromaccelerated
thermalageingfor42daysat110°C,followedbyasimulateddesignbasisevent 15
Figure3–Illustrationoftheprincipleofcondition-basedqualification 16
FigureA.1–IndentermodulusprofilesforEPDMsealagedat170°C(left)and
110°C(right)[1] 19
INTERNATIONALELECTROTECHNICALCOMMISSION
NUCLEARPOWERPLANTS–
INSTRUMENTATIONANDCONTROLIMPORTANTTOSAFETY–ELECTRICALEQUIPMENTCONDITIONMONITORINGMETHODS–
Part1:General
FOREWORD
TheInternationalElectrotechnicalCommission(IEC)isaworldwideorganizationforstandardizationcomprisingallnationalelectrotechnicalcommittees(IECNationalCommittees).TheobjectofIECistopromoteinternationalco-operationonallquestionsconcerningstandardizationintheelectricalandelectronicfields.Tothisendandinadditiontootheractivities,IECpublishesInternationalStandards,TechnicalSpecifications,TechnicalReports,PubliclyAvailableSpecifications(PAS)andGuides(hereafterreferredtoas"IECdocument(s)").Theirpreparationisentrustedtotechnicalcommittees;anyIECNationalCommitteeinterestedinthesubjectdealtwithmayparticipateinthispreparatorywork.International,governmentalandnon-governmentalorganizationsliaisingwiththeIECalsoparticipateinthispreparation.
IEEEStandardsdocumentsaredevelopedwithinIEEESocietiesandStandardsCoordinatingCommitteesoftheIEEEStandardsAssociation(IEEESA)StandardsBoard.IEEEdevelopsitsstandardsthroughaconsensusdevelopmentprocess,approvedbytheAmericanNationalStandardsInstitute,whichbringstogethervolunteersrepresentingvariedviewpointsandintereststoachievethefinalproduct.VolunteersarenotnecessarilymembersofIEEEandservewithoutcompensation.WhileIEEEadministerstheprocessandestablishesrulestopromotefairnessintheconsensusdevelopmentprocess,IEEEdoesnotindependentlyevaluate,test,orverifytheaccuracyofanyoftheinformationcontainedinitsstandards.UseofIEEEStandardsdocumentsiswhollyvoluntary.IEEEdocumentsaremadeavailableforusesubjecttoimportantnoticesandlegaldisclaimers(see
/ipr/disclaimers.html
formoreinformation).
IECcollaboratescloselywithIEEEinaccordancewithconditionsdeterminedbyagreementbetweenthetwoorganizations.ThisDualLogoInternationalStandardwasjointlydevelopedbytheIECandIEEEunderthetermsofthatagreement.
TheformaldecisionsofIEContechnicalmattersexpress,asnearlyaspossible,aninternationalconsensusofopinionontherelevantsubjectssinceeachtechnicalcommitteehasrepresentationfromallinterestedIECNationalCommittees.TheformaldecisionsofIEEEontechnicalmatters,onceconsensuswithinIEEESocietiesandStandardsCoordinatingCommitteeshasbeenreached,isdeterminedbyabalancedballotofmateriallyinterestedpartieswhoindicateinterestinreviewingtheproposedstandard.FinalapprovaloftheIEEEstandardsdocumentisgivenbytheIEEEStandardsAssociation(IEEESA)StandardsBoard.
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Inordertopromoteinternationaluniformity,IECNationalCommitteesundertaketoapplyIECPublications(includingIEC/IEEEPublications)transparentlytothemaximumextentpossibleintheirnationalandregionalpublications.AnydivergencebetweenanyIEC/IEEEPublicationandthecorrespondingnationalorregionalpublicationshallbeclearlyindicatedinthelatter.
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Allusersshouldensurethattheyhavethelatesteditionofthispublication.
NoliabilityshallattachtoIECorIEEEortheirdirectors,employees,servantsoragentsincludingindividualexpertsandmembersoftechnicalcommitteesandIECNationalCommittees,orvolunteersofIEEESocietiesandtheStandardsCoordinatingCommitteesoftheIEEEStandardsAssociation(IEEESA)StandardsBoard,foranypersonalinjury,propertydamageorotherdamageofanynaturewhatsoever,whetherdirectorindirect,orforcosts(includinglegalfees)andexpensesarisingoutofthepublication,useof,orrelianceupon,thisIEC/IEEEPublicationoranyotherIECorIEEEPublications.
Attentionisdrawntothenormativereferencescitedinthispublication.Useofthereferencedpublicationsisindispensableforthecorrectapplicationofthispublication.
AttentionisdrawntothepossibilitythatimplementationofthisIEC/IEEEPublicationmayrequireuseofmaterialcoveredbypatentrights.Bypublicationofthisstandard,nopositionistakenwithrespecttotheexistenceorvalidityofanypatentrightsinconnectiontherewith.IECorIEEEshallnotbeheldresponsibleforidentifyingEssentialPatentClaimsforwhichalicensemayberequired,forconductinginquiriesintothelegalvalidityorscopeofPatentClaimsordeterminingwhetheranylicensingtermsorconditionsprovidedinconnectionwithsubmissionofaLetterofAssurance,ifany,orinanylicensingagreementsarereasonableornon-discriminatory.Usersofthisstandardareexpresslyadvisedthatdeterminationofthevalidityofanypatentrights,andtheriskofinfringementofsuchrights,isentirelytheirownresponsibility.
IEC/IEEE62582-1waspreparedbysubcommittee45A:Instrumentationandcontrolofnuclearfacilities,ofIECtechnicalcommittee45:Nuclearinstrumentation,incooperationwithNuclearPowerEngineeringCommitteeoftheIEEEPower&EnergySociety
1
,undertheIEC/IEEEDualLogoAgreementbetweenIECandIEEE.ItisanInternationalStandard.
ThisdocumentispublishedasanIEC/IEEEDualLogostandard.
Thissecondeditioncancelsandreplacesthefirsteditionpublishedin2011.Thiseditionconstitutesatechnicalrevision.
Thiseditionincludesthefollowingsignificanttechnicalchangeswithrespecttothepreviousedition:
IntegrationofexperiencefromtheworkwithIAEA-TECDOC-1825:2017“Benchmarkanalysisforconditionmonitoringtesttechniquesoflowvoltagecablesinnuclearpowerplants.FinalresultsofaCoordinatedResearchProject”.
ReferraltoIEC/IEEE60780-323insteadofIEC60780andIEEE323.
ThetextofthisInternationalStandardisbasedonthefollowingIECdocuments:
Draft
Reportonvoting
45A/1510/CDV
45A/1537/RVC
Fullinformationonthevotingforitsapprovalcanbefoundinthereportonvotingindicatedintheabovetable.
ThelanguageusedforthedevelopmentofthisInternationalStandardisEnglish.
ThisdocumentwasdraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part2,availableat
www.iec.ch/members_experts/refdocs.
ThemaindocumenttypesdevelopedbyIECaredescribedingreaterdetailat
www.iec.ch/publications/.
AlistofallpartsofIEC/IEEE62582series,underthegeneraltitleNuclearpowerplants–Instrumentationandcontrolimportanttosafety–Electricalequipmentconditionmonitoringmethods,canbefoundontheIECwebsite.
TheIECTechnicalCommitteeandIEEETechnicalCommitteehavedecidedthatthecontentsofthisdocumentwillremainunchangeduntilthestabilitydateindicatedontheIECwebsiteunder
webstore.iec.ch
inthedatarelatedtothespecificdocument.Atthisdate,thedocumentwillbe
reconfirmed,
withdrawn,or
revised.
AlistofIEEEparticipantscanbefoundatthefollowingURL:
/downloads/62582-1/62582-
1-2011/62582-1-2011_wg-participants.pdf.
INTRODUCTION
Technicalbackground,mainissuesandorganisationofthisdocument
ThispartofthisIEC/IEEE62582seriesfocusesonmethodsforconditionmonitoringformanagementofageingofelectricalequipmentinstalledinnuclearpowerplantsandforapplicationoftheconceptofqualifiedcondition.
IEC/IEEE6258-1isthefirstpartoftheIEC/IEEE62582seriesofstandards,containingbackgroundandguidelinesfortheapplicationofmethodsforconditionmonitoringofelectricalequipmentimportanttosafetyofnuclearpowerplants.Thedetaileddescriptionsofthemethodsaregivenintheotherparts,onepartforeachmethod.Thisdocumentalsoincludessomeelementswhicharecommontoallmethods.
IEC/IEEE62582seriesisissuedwithajointlogowhichmakesitapplicabletothemanagementofageingofelectricalequipmentqualifiedtoIEEEaswellasIECStandards.
ConditionmonitoringisadevelopingfieldandmoremethodswillbeaddedtotheIEC/IEEE62582serieswhentheyareconsideredwidelyappliedandagoodreproducibilityoftheconditionmonitoringmethodcanbedemonstrated.
IEC/IEEE60780-323definedcondition-basedqualificationwhichisanadjuncttotypetesting.Thequalifiedconditionisestablishedbyconditionindicator(s)priortothestartofaccidentconditionsforwhichtheequipmentwasdemonstratedtomeetthedesignrequirementsforthespecifiedserviceconditions.IEC/IEEE60780-323definedconditionindicator.
SignificantresearchhasbeenperformedonconditionmonitoringtechniquesandtheuseofthesetechniquesinequipmentqualificationasnotedinNUREG/CR-6704,Vol.2(BNL-NUREG-52610)
[1],
2
JNES-SS-0903,2009
[2]
andIAEA-TECDOC-1825:2017
[3].
ItisintendedthatthisIEC/IEEEdocumentbeusedbyoperatorsofnuclearpowerplants,systemsevaluatorsandbylicensors.
SituationofthecurrentstandardinthestructureoftheIECSC45Astandardseries
IEC/IEEE62582-1isthethirdlevelIECSC45AdocumenttacklingtheissueofapplicationofconditionmonitoringinequipmentqualificationandmanagementofageingofelectricalI&Cequipmentinnuclearpowerplants.
IEC/IEEE62582-1istobereadinassociationwithIEC/IEEE60780-323,whichprovidesgeneralrequirementsforqualificationofI&CsystemsandequipmentthatareusedtoperformfunctionsimportanttosafetyinNPPsandnuclearfacilities.
FormoredetailsonthestructureoftheIECSC45Astandardseries,seeitemd)ofthisintroduction.
Recommendationsandlimitationsregardingtheapplicationofthisdocument
Itisimportanttonotethatthisdocumentestablishesnoadditionalfunctionalrequirementsforsafetysystems.
Thisdocumentdiscussesthegeneralmeasurementtechniqueforcurrentconditionmonitoringmethodsandisnotmeanttocoveranyspecifictechnologies.
NumbersinsquarebracketsrefertotheBibliography.
DescriptionofthestructureoftheIECSC45AstandardseriesandrelationshipswithotherIECdocumentsandotherbodiesdocuments(IAEA,ISO)
TheIECSC45Astandardseriescomprisesahierarchyoffourlevels.Thetop-leveldocumentsoftheIECSC45AstandardseriesareIEC61513andIEC63046.
IEC61513providesgeneralrequirementsforinstrumentationandcontrol(I&C)systemsandequipmentthatareusedtoperformfunctionsimportanttosafetyinnuclearpowerplants(NPPs).IEC63046providesgeneralrequirementsforelectricalpowersystemsofNPPs;itcoverspowersupplysystemsincludingthesupplysystemsoftheI&Csystems.
IEC61513andIEC63046aretobeconsideredinconjunctionandatthesamelevel.IEC61513andIEC63046structuretheIECSC45Astandardseriesandshapeacompleteframeworkestablishinggeneralrequirementsforinstrumentation,controlandelectricalpowersystemsfornuclearpowerplants.
IEC61513andIEC63046referdirectlytootherIECSC45Astandardsforgeneralrequirementsforspecifictopics,suchascategorizationoffunctionsandclassificationofsystems,qualification,separation,defenceagainstcommoncausefailure,controlroomdesign,electromagneticcompatibility,humanfactorsengineering,cybersecurity,softwareandhardwareaspectsforprogrammabledigitalsystems,coordinationofsafetyandsecurityrequirementsandmanagementofageing.ThestandardsreferenceddirectlyatthissecondlevelshouldbeconsideredtogetherwithIEC61513andIEC63046asaconsistentdocumentset.
Atathirdlevel,IECSC45AstandardsnotdirectlyreferencedbyIEC61513orbyIEC63046arestandardsrelatedtospecificrequirementsforspecificequipment,technicalmethods,oractivities.Usuallythesedocuments,whichmakereferencetosecond-leveldocumentsforgeneralrequirements,canbeusedontheirown.
AfourthlevelextendingtheIECSC45standardseries,correspondstotheTechnicalReportswhicharenotnormative.
TheIECSC45AstandardsseriesconsistentlyimplementsanddetailsthesafetyandsecurityprinciplesandbasicaspectsprovidedintherelevantIAEAsafetystandardsandintherelevantdocumentsoftheIAEAnuclearsecurityseries(NSS).InparticularthisincludestheIAEArequirementsSSR-2/1,establishingsafetyrequirementsrelatedtothedesignofnuclearpowerplants(NPPs),theIAEAsafetyguideSSG-30dealingwiththesafetyclassificationofstructures,systemsandcomponentsinNPPs,theIAEAsafetyguideSSG-39dealingwiththedesignofinstrumentationandcontrolsystemsforNPPs,theIAEAsafetyguideSSG-34dealingwiththedesignofelectricalpowersystemsforNPPs,theIAEAsafetyguideSSG-51dealingwithhumanfactorsengineeringinthedesignofNPPsandtheimplementingguideNSS42-Gforcomputersecurityatnuclearfacilities.ThesafetyandsecurityterminologyanddefinitionsusedbytheSC45AstandardsareconsistentwiththoseusedbytheIAEA.
IEC61513andIEC63046haveadoptedapresentationformatsimilartothebasicsafetypublicationIEC61508withanoveralllife-cycleframeworkandasystemlife-cycleframework.Regardingnuclearsafety,IEC61513andIEC63046providetheinterpretationofthegeneralrequirementsofIEC61508-1,IEC61508-2andIEC61508-4,forthenuclearapplicationsector.Inthisframework,IEC60880,IEC62138andIEC62566correspondtoIEC61508-3forthenuclearapplicationsector.
IEC61513andIEC63046refertoISO9001aswellastoIAEAGSRpart2andIAEAGS-G-3.1andIAEAGS-G-3.5fortopicsrelatedtoqualityassurance(QA).
Atlevel2,regardingnuclearsecurity,IEC62645istheentrydocumentfortheIEC/SC45Asecuritystandards.Itbuildsuponthevalidhighlevelprinciplesandmainconceptsofthegenericsecuritystandards,inparticularISO/IEC27001andISO/IEC27002;itadaptsthemandcompletesthemtofitthenuclearcontextandcoordinateswiththeIEC62443series.Atlevel2,IEC60964istheentrydocumentfortheIECSC45Acontrolroomsstandards,IEC63351istheentrydocumentforthehumanfactorsengineeringstandardsandIEC62342istheentrydocumentfortheageingmanagementstandards.
NOTE1ItisassumedthatforthedesignofI&CsystemsinNPPsthatimplementconventionalsafetyfunctions(e.g.toaddressworkersafety,assetprotection,chemicalhazards,processenergyhazards)internationalornationalstandardswouldbeapplied.
NOTE2IECTR63400providesamorecomprehensivedescriptionoftheoverallstructureoftheIECSC45Astandardsseriesandofitsrelationshipwithotherstandardsbodiesandstandards.
NUCLEARPOWERPLANTS–
INSTRUMENTATIONANDCONTROLIMPORTANTTOSAFETY–ELECTRICALEQUIPMENTCONDITIONMONITORINGMETHODS–
Part1:General
Scope
ThispartoftheIEC/IEEE62582seriescontainsrequirementsforapplicationoftheotherpartsofIEC/IEEE62582relatedtospecificmethodsforconditionmonitoringinelectricalequipmentimportanttosafetyofnuclearpowerplants.Italsoincludesrequirementswhicharecommontoallmethods.TheproceduresdefinedinIEC/IEEE62582areintendedfordetailedconditionmonitoring.
IEC/IEEE62582specifiesconditionmonitoringmethodsinsufficientdetailtoenhancetheaccuracyandrepeatability,andprovidestandardformatsforreportingtheresults.Themethodsspecifiedareapplicabletoelectricalequipmentcontainingpolymericmaterials.Somemethodsareespeciallydesignedforthemeasurementofconditionofalimitedrangeofequipmentwhilstotherscanbeappliedtoalltypesofequipmentforwhichthepolymericpartsareaccessible.
AlthoughthescopeofIEC/IEEE62582islimitedtotheapplicationofinstrumentationandcontrolsystemsimportanttosafety,theconditionmonitoringmethodscanalsobeapplicabletoothercomponentswhichincludepolymericmaterials.
ThedifferentpartsofIEC/IEEE62582aremeasurementstandards,primarilyforuseinthemanagementofageingininitialqualificationandafterinstallation.Forthetechnicalbackgroundofconditionmonitoringmethods,referenceismadetootherIECstandards,e.g.IEC60544-5
[1].
InformationontheroleofconditionmonitoringinqualificationofelectricalequipmentimportanttosafetyisfoundinIEC/IEEE60780-323.GeneralinformationonmanagementofageingcanbefoundinIEC62342
[5]
andIEEE1205
[6].
NOTEAsimplifiedversionoftheprocedurescanbeappropriateforpreliminaryassessmentoftheneedfordetailedmeasurements.
Normativereferences
Thefollowingdocumentsarereferredtointhetextinsuchawaythatsomeoralloftheircontentconstitutesrequirementsofthisdocument.Fordatedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)applies.
IEC/IEEE60780-323,Nuclearfacilities–Electricalequipmentimportanttosafety–Qualification
IEC/IEEE62582(allparts),Nuclearpowerplants–Instrumentationandcontrolimportanttosafety–Electricalequipmentconditionmonitoringmethods
Termsanddefinitions
Forthepurposesofthisdocument,thefollowingtermsanddefinitionsapply.
ISOandIECmaintainterminologydatabasesforuseinstandardizationatthefollowingaddresses:
IECElectropedia:availableat
/
ISOOnlinebrowsingplatform:availableat
/obp
IEEEStandardsDictionaryOnline:availableat
3.1
conditionindicator
characteristicofastructure,systemorcomponentthatcanbeobserved,measuredortrendedtoinferordirectlyindicatethecurrentandfutureabilityofthestructure,systemorcomponenttofunctionwithinacceptancecriteria
[SOURCE:IAEANuclearSafetyandSecurityGlossary,2022(Interim)Edition]
3.2
conditionmonitoring
continuousorperiodictests,inspections,measurementortrendingoftheperformanceorphysicalcharacteristicsofstructures,systemsandcomponentstoindicatecurrentorfutureperformanceandthepotentialforfailure
[SOURCE:IAEASafetyGlossary,2018Edition,modified–noteremoved.]
3.3
equipmentqualification
generationandmaintenanceofevidencetoensurethatequipmentwilloperateondemand,underspecifiedserviceconditions,tomeetsystemperformancerequirements
[SOURCE:IAEANuclearSafetyandSecurityGlossary,2022(Interim)Edition,modified–notesnotincluded.]
3.4
equipmentimportanttosafety
equipmentthatispartofasafetygroupand/orwhosemalfunctionorfailurecouldleadtoundueradiationexposureofthesitepersonnelormembersofthepublic.Equipmentincluding:
thosestructures,systemsandcomponentsthatpreventanticipatedoperationaloccurrencesfromleadingtoaccidentconditions;
thosefeaturesthatareprovidedtomitigatetheconsequencesofmalfunctionorfailureofstructures,systemsandcomponents.
Note1toentry:
ForusageconsistentwithIEC61226[11],equipmentimportanttosafetyareasfollows:
allI&CequipmentperformingCategoryAtoCategoryCfunctions(inaccordancewiththeIEC61226[11]categorisationscheme);
allelectricalequipmentnecessarytoensureemergencyenergysupplytothisequipmentincaseofalossofnormalpowersupply;
allelectricalequipmentnecessarytoensureultimateenergysupplyincaseoftotallossofon-sitepower(ifselectedasdesignextensionconditiontobemitigated).
ForusageconsistentwithotherIEEEdocumentsandaClass1Ecategorization;forequipmentimportanttosafety,qualificationisessentialtothefollowing:
electricequipmentandsystemsthatareessentialtoemergencyreactorshutdown,containmentisolation,reactorcorecooling,andcontainmentandreactorheatremoval,or;
electricequipmentthatareotherwiseessentialinpreventingsignificantreleaseofradioactivematerialtotheenvironment.
Note2toentry:UsersofthisdocumentareadvisedthatClass1Eisafunctionalterm.EquipmentandsystemsaretobeclassifiedClass1Eonlyiftheyfulfilthefunctionslistedinthedefinition.IdentificationofsystemsorequipmentasClass1Ebasedonanythingotherthantheirfunctionisanimproperuseofthetermandshouldbeavoided.
[SOURCE:IEC/IEEE60780-323:2016,3.12]
3.5
tactileobservation
qualitativeassessmentofapolymer’sconditionthroughthephysicalexaminationoftheexteriorofamaterialasobservedbyaknowledgeablepersonwho,viaexperienceortraining,candeducedegradationbasedonthehardnessorsoftnessofthematerialbylightlybendingorpressingafingernailintothesurfaceandviatheirknowledgeandexperience,ortrainingcandeducedegradationbasedontheobservedconditiontoassessifquantitativeassessmentsarewarranted
3.6
visualobservation
qualitativeassessmentofapolymer’sconditionthroughthevisibleexaminationoftheexteriorofmaterialasobservedbyaknowledgeablepersonwho,viaexperienceortraining,candeducedegradationbasedontheobservedconditiontoassessifquantitativeassessmentsarewarranted
3.7
qualifiedcondition
conditionofanequipment,priortothestartofadesignbasisevent,forwhichtheequipmentwasdemonstratedtomeetthedesignrequirementsforthespecifiedserviceconditions.Thiscouldincludecertainpostaccidentcoolingandmonitoringsystemsthatareexpectedto
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