GB 50060-2008 3～110kV高压配电装置设计规范

专用

人人文库

NATIONALSTANDARD

OFTHEPEOPLESREPUBLICOFCHINA

CodeforDesignofHighVoltageElectricalInstallation(3-110kV)

GB50060-2008

ChiefDevelopmentDepartment:ChinaElectricityCouncil

ApprovalDepartment:MinistryofHousingandUrban-RuralDevelopment

ofthePeoplesRepublicofChina

ImplementationDate:June1,2009

Translatedby:SUNTHERTranslation&Solutions

专用

人人文库

ChinaPlanningPress

Beijing2009

图书在版编目(CIP)数据

高压配电装置设计规范

3kV~110kV:GB50060-2008:

英文中华人民共和国住房和城乡建设部组织编译

/.—

北京中国计划出版社

:,2014.9

ISBN978-7-80242-996-3

中高电压配电装置设

Ⅰ.①3…Ⅱ.①…Ⅲ.①--

计规范英文

-Ⅳ.①TM642-65

中国版本图书馆数据核字第号

CIP(2014)124540

ChineseeditionfirstpublishedinthePeoplesRepublicofChinain2008

EnglisheditionfirstpublishedinthePeoplesRepublicofChinain2014

byChinaPlanningPress

rd

,,专用

3FloorCTowerGuohongBuilding

No.A11,Muxidi-Beili,XichengDistrict

Beijing,100038

PrintedinChinabyBeijingJinghuaHucaiPrintingCO.,LTD

Ź2010byMinistryofHousingandUrban-RuralDevelopmentof

thePeoplesRepublicofChina

Allrightsreserved.Nopartofthispublicationmaybereproducedortransmittedinanyformor

byanymean人人文库s,graphic,electronic,ormechanical,includingphotocopying,recording,

oranyinformationstorageandretrievalsystems,withoutwrittenpermissionofthepublisher.

Thisbookissoldsubjecttotheconditionthatitshallnot,bywayoftradeorotherwise,belent,

re-sold,hiredoutorotherwisecirculatedwithoutthepublisherspriorconsentinanyformof

blindingorcoverotherthanthatinwhichthisispublishedandwithoutasimilarcondition

includingthisconditionbeingimposedonthesubsequentpurchaser.

ISBN978-7-80242-996-3

AnnouncementofMinistryofHousingandUrban-Rural

DevelopmentofthePeoplesRepublicofChina

No.194

AnnouncementonIssuingtheNationalStandardof

CodeforDesignofHighVoltageElectricalInstallation

(3-110kV)

CodeforDesignofHighVoltageElectricalInstallation

The(3-110kV)isherebyapproved

asaChinesenationalstandardbearingaserialnumberofGB50060-2008,andwillcomeintoeffect

onJune1,2009Articles2.0.10,4.1.9,5.1.1,5.1.3,5.1.4,5.1.7,7.1.3and7.1.4are

Design

compulsoryprovisionsandmustbeenforcedstrictly.TheformereditionGB50060-92

CodeforHighVoltageElectricalInstallation

(3-110kV)willbeabolishedtillthen.

ThiscodewillbepublishedanddistributedbyChinaPlanningPressasauthorizedbyResearch

InstituteofStandardsandNorms,MinistryofHousingandUrb专用an-RuralDevelopmentofthe

PeoplesRepublicofChina.

ThiscodeistranslatedbySUNTHERTranslation&SolutionsundertheauthorityofChina

ElectricPowerPlanning&EngineeringAssociation.

MinistryofHousingandUrban-RuralDevelopmentofthePeoplesRepublicofChina

December15,2008

人人文库

Foreword

ThiscodeisrevisedbytheNorthwestElectricPowerDesignInstituteoftheChinaPower

EngineeringConsultingGroupCorporationfromtheoriginalnationalstandard,GB50060-1992

DesignCodeforHighVoltageElectricalInstallationNoticeon

(3-110kV),inresponsetothe

PrintingandDistributingthePreparationandRevisionPlanofNationalStandardsfor

EngineeringConstruction

2004(Jianbiao[2004]No.67)issuedbytheformerMinistryof

Construction.

Duringtherevisionprocess,thedraftingpanelhasmadeextensiveinvestigationandresearch,

seriouslysummarizedtheexperiencesgainedfromimplementationoftheoriginalcode,incorporated

thecommentsfromthedomesticinterestsconcernedandlearnedadvanceddesignideasalloverthe

world.Thisrevisionnotonlyretainstheapplicablearticlesintheoriginalcodebutsupplements

somenewarticles.

Thiscodeisorganizedintosevenchaptersandtwoappendixes.Themaincontentsinclude

General,GeneralProvisions,EnvironmentalConditions,SelectionofConductorsandElectrical

Equipment,Switchgear,GasInsulatedMetalEnclosedSwitchg专用ear(GIS),Requirementsof

SwitchgearonBuildingsandStructures.

Articlesinboldinthiscodearecompulsoryandmustbeobservedstrictly.

TheMinistryofHousingandUrban-RuralDevelopmentofthePeoplesRepublicofChinais

responsibleforadministeringthiscodeandinterpretingthecompulsoryarticles.TheNorthwest

ElectricPowerDesignInstituteofChinaPowerEngineeringConsultingGroupCorporationis

responsibleforinterpretingthespecifictechnicalcontentsherein.Duringtheimplementationofthis

code,theinterestsconcernedareexpectedtoseriouslysummarizetheexperiencesandreferany

commentsandsuggestionsonmodificationorsupplementationhereoftotheNorthwestElectric

PowerDesignInstituteofChinaPowerEngineeringConsultingGroupCorporationattheaddress:

SouthTuanjieStreetNo.22,HighandNewTechnologyIndustrialDevelopmentZone,XianCity,

ShaanxiProvince,Postcode710075,forreferenceinthefuturerevision.

Theleadingdraftingorganizationandauthorsofthiscode:

Leadingdraftingorganization:NorthwestElectricPowerDesignInstituteofChinaPower

EngineeringConsult人人文库ingGroupCorporation.

Leadingauthors:ZhangFengmi,CaoYongzhen,ZhangXiaojiang,YangYuehong,ShiDong,

SunJinandOuyangCefei.

ThiscodeistranslatedbySUNTHERTranslation&SolutionsundertheauthorityofChina

ElectricPowerPlanning&EngineeringAssociation.

Contents

…………………………

1General(1)

……………

2GeneralProvisions(2)

……………………

3EnvironmentalConditions(3)

…………

4SelectionofConductorsandElectricalEquipment(5)

………………

4.1GeneralProvisions(5)

…………

4.2SelectionofConductors(6)

…………………

4.3SelectionofElectricalEquipment(6)

………………………

5Switchgear(8)

……………………

5.1SafetyClearanceofSwitchgear(8)

……………………

5.2TypeSelectionofSwitchgear(12)

………………………

5.3ArrangementofSwitchgear(12)

…………

5.4AccessesandFenceswithinSwitchgear(13)

…………

5.5FireProtectionandOilStorageFacilities(14)

……………

6GasInsulatedMetalEnclosedSwitchgear(GIS)专用(16)

…………………

7RequirementsofSwitchgearonBuildingsandStructures(17)

…………

7.1RequirementsImposedbyIndoorSwitchgearonBuildings(17)

………

7.2RequirementsImposedbyOutdoorSwitchgearonStructures(17)

…………………

7.3RequirementsImposedbyIndoorGISonBuildings(18)

……

AppendixALong-TermAllowableAmpacityofRectangularAluminumConductors(19)

……

AppendixBPollutionClassificationStandardforLines,PowerPlantsandSubstations(20)

……………

ExplanationofWordinginThisCode(22)

人人文库

1General

1.0.1

Thiscodeisdevelopedforthedesignof3-110kVhighvoltageswitchgear(switchgearin

short)thatistobesafe,reliable,technicallyadvance,costeffectiveandeasilyoperationaland

maintainable.

1.0.2

Thiscodeappliestothedesignofnewlybuiltandexpanded3-110kVHVswitchgear.

1.0.3

IndesigningHVswitchgear,theequipmentshallbeselectedandthelayoutschemethereof

shallbeestablishedreasonablyaccordingtopowerloadcharacteristics,capacity,ambientconditions

aswellasrequirementsoninstallation,operationandmaintenance.Iftechnicallyandeconomically

feasible,electricalequipmentandmaterialswithhighefficiencyandlowenergyconsumptionshall

beused.

1.0.4

Theswitchgearshallbedesignedbasedonthecharacteristics,scale,anddevelopmentplan

ofindividualprojects,takingintoaccountboththelongtermandshorttermplanswhile

highlightingthelatterandreservingspaceforfutureexpansion.

1.0.5

Switchgearmustbedesignedwithaminimumuseofland.

1.0.6

Inadditiontothiscode,switchgearshallbedesignedincomp专用liancewiththecurrentrelevant

nationalstandardsaswell.

人人文库

·1·

2GeneralProvisions

2.0.1

Thelayoutofswitchgearandselectionofconductors,electricalequipment,andgantries

shallmeetthesafetyrequirementsduringnormaloperation,installationandmaintenanceandinthe

eventofshort-circuitandovervoltageunderlocalambientconditions,andshallaccommodatethe

systemcapacityplannedforthecoming10-15years.

2.0.2

Thephasesequenceofindividualcircuitsofswitchgearshouldbeconsistentwitheach

other.ItmaybeintheorderofphasesA,BandCwhenfacingtheoutgoinglinesandviewingfrom

lefttoright,fartonear,andtoptobottom.Indoorrigidconductorsandoutdoorbusbarbridgeshall

becoloredaccordingly.Tobespecific,linesofphasesA,BandCshallbecoloredyellow,green,and

redrespectively.Expansionworksshallhaveaphasesequencethesameastheexistingswitchgear.

2.0.3

Forarrangementsequencesofbusbarin66-110kVswitchgear,thebusbarattransformer

sideshouldbebusbarI,andthatatthelinesidebusbarII.Forswitchgearindouble-layer

arrangement,thebusbaronthelowerlayershouldbebusbarIandthatontheupperlayer

busbarII.

2.0.4

Outdooropentype110kVswitchgearshallnotbemaintaine专用dwhenbeingenergized.

2.0.5

For66-110kVopentypeswitchgear,busbararrestersandvoltagetransformersshould

shareonegroupofdisconnectors.

2.0.6

For66-110kVopentypeswitchgear,earthingswitchesshouldbeprovidedatthelineside

oflinedisconnectorsandatthecircuitbreakersideofdisconnectorsmountedatbothsidesofa

circuitbreaker.Gas-insulatedmetal-enclosedswitchgearshouldbeequippedwithisolationbreaks.

2.0.7

For66-110kVopentypeswitchgear,earthingswitchesshallbeinstalledforeachsection

ofbusbar.

2.0.8

For66-110kVopentypeswitchgear,voltagetransformersshouldbeequippedonthree

phasesofeachgroupofmainbusbars.Whenitisnecessarytomonitoranddetectthepresenceof

voltageatlineside,voltagetransformersshouldbeinstalledononephaseattheoutgoinglineside.

2.0.9

For66-110kVswitchgear,allcircuitsinstalledwithcircuitbreakersshallbeequipped

withcurrenttransformers.

2.0.10Blockingdevicesshallbeprovidedamongdisconnectorsofindoorandoutdoorswitchgear,the

correspondingcircuit人人文库breakersandearthingswitches.Whentheindoorswitchgearisarrangedatlow

level,blockingdevicesshallbeprovidedtopreventaccidentalaccesstoenergizedbay.

2.0.11

Thelayoutofoil-filledelectricalequipmentinswitchgearshallallowforsafeandconvenient

observationofoillevelandtemperatureunderenergizedconditions,andfacilitateoilsampling.

·2·

3EnvironmentalConditions

3.0.1

Theelectricalequipmentandinsulatorsofoutdoorswitchgearshallbeprovidedwith

externalinsulationandotherdust-proofandanti-corrosionmeansbasedonlocalpollution

classification,andallowforconvenientcleaning.Pollutionclassificationstandardsofpowerplants

andsubstationsshallbeinaccordancewithAppendixBtothiscode.

3.0.2

Ambienttemperaturesofbareconductorsandelectricalequipmentinswitchgearshallbein

accordancewithTable3.0.2.

Table3.0.2AmbientTemperatureofBareConductorsandElectricalEquipment

AmbientTemperature(℃)

CategoryLocation

MaximumMinimum

OutdoorsMeanmaximumtemperatureofthehottestmonth—

Bareconductors

IndoorsDesigntemperaturewithventilation—

OutdoorsAnnualmaximumtemperatureAnnualminimumtemperature

ElectricalequipmentIndoorreactorMaximumdesignexhaustairtemperaturewith专用ventilation—

OtherindoorlocationsDesigntemperaturewithventilation—

Note:1Theannualmaximum(orminimum)temperaturereferstotheaveragevalueoveryearsofmeasuredannualmaximum(or

minimum)temperatures.

2Themeanmaximumtemperatureofthehottestmonthreferstotheaveragevalueofthemonthlyaveragevalue(i.e.,the

averagevalueofthedailymaximumtemperature)ofthehottestmonthsoveryears.

3Iftheinformationregardingdesigntemperaturewithventilationisunavailable,theambienttemperatureofindoorbare

conductorsandotherelectricalequipmentmaytakethemeanmaximumtemperatureofthehottestmonthplus5℃.

3.0.3

Theambientrelativehumidityforconductorsandelectricalequipmentshallemploythe

averagerelativehumidityofthemosthumidmonthatlocalareas.Inhumidtropicalregions,humid-

tropictypeelectricalequipmentshallbeemployed.Inhumidsubtropicalregions,ordinaryelectrical

equipmentmaybeused,providedthatprotectivemeasuresshallbetakenbasedonthelocal

operationalexperiences.

3.0.4

Whereambienttemperatureislowerthantheminimumallowabletemperatureofelectrical

equipment,instrume人人文库ntsandrelays,heatingdeviceswithautomatictemperaturecontrolshallbe

provided,orotherthermalinsulationmeasuresshallbetaken.

Inareassubjecttoseveresnowandice,measuresshallbetakentoavoidaccidentsresulting

fromiceandsnow.

Theicebreakingthicknessofdisconnectorsshallnotbelessthanthemaximumicecoating

thicknessoftheirinstallationlocation.

3.0.5

Indesigningthemaximumwindspeedforoutdoorswitchgear,conductorsandelectrical

equipment,the10-minuteaveragemaximumwindspeed10mabovethegroundwitha30-year

recurrenceintervalshallbeusedinareaswiththemaximumdesignwindspeedhigherthan35m/s,

theelectricalequipmentofoutdoorswitchgearshouldbeinstalledatalowerheightandthe

equipmentanditsfoundationsshouldbesecuredfirmly.

·3·

3.0.6

TheseismicdesignofswitchgearshallcomplywiththeactivenationalstandardGB50260

CodeforDesignofSeismicofElectricalInstallations

.

3.0.7

Inareaswithanaltitudeabove1,000m,electricalequipmentandelectricporcelainproducts

applicabletosuchhighaltitudeshallbeselectedforswitchgear.Theimpulseandpowerfrequency

testvoltageoftheirexternalinsulationshallbeinaccordancewiththeactivenationalstandard

InsulationCoordinationforHighVoltageTransmissionandDistributionEquipment

GB311.1.

3.0.8

Indesigningswitchgear,thecontinuousnoiselevelatrelevantoperatingplacesshallbe

reduced.Whereswitchgearisinthevicinityofresidentialareas,thenoiseleveloutsidetheboundary

Standardof

wallofresidentialareasshallcomplywiththeactivenationalstandardsGB3096

EnvironmentalNoiseofUrbanAreaEmissionStandardforIndustrialEnterprises

andGB12348

NoiseatBoundary

.

3.0.9

For110kVelectricalequipmentandfittings,visualcoronashallnotoccuronthenightofa

sunnydayatavoltage1.1timesthemaximumphasevoltage.

Thecoronacriticalvoltagefor110kVconductorsshallbehigherthanthemaximumoperating

voltageattheplaceswheretheyareinstalled.

专用

人人文库

·4·

4SelectionofConductorsandElectricalEquipment

4.1GeneralProvisions

4.1.1

Themaximumoperatingvoltageforelectricalequipmentshallnotbelowerthanthatofthe

systemtowhichitbelongs.Thevoltagevaluesshallbedeterminedaccordingtotheactivenational

StandardVoltage

standardGB156.

4.1.2

Thelong-termallowablecurrentofconductorsshallnotbelessthanthecontinuous

operatingcurrentofthecircuitsconcerned.Theinfluenceofsunshineoncurrentcapacityshallbe

consideredforoutdoorconductors.Currentratingsofuninterrupted-dutyelectricalequipmentshall

beselectedtocaterforcontinuousoperationofcircuitsundervariouspossibleoperatingmodes.

4.1.3

Short-circuitcurrentusedtocheckthedynamicandthermalstabilityofconductorsand

electricalequipmentaswellasthebreakingcurrentofelectricalequipmentshallbecalculatedbased

onthesystemcapacityplannedforthecoming10-15years.

Theshort-circuitcurrentshallbedeterminedandcalculatedbasedonthenormalwiringmode

withmaximumpossibleshort-circuitcurrent,whichmaybegenerallycheckedwiththree-phase

shortcircuit.Ifthesinle-haseortwo-hasetoroundshort-circu专用itcurrentislarerthanthree-

gppgg

phaseshort-circuitcurrent,thecheckshallbemadebasedontheseverecase.

4.1.4

Thecalculationtimeforcheckingthethermaleff