GB 51194-2016 GB51194-2016通信電源設備安裝工程設計規范:英文

NATIONALSTANDARD

OFTHEPEOPLESREPUBLICOFCHINA

CodeforDesignofEngineeringforTelecommunication

PowerSupplyEquipmentInstallation

GB51194-2016

ChiefDevelopmentDepartment：MinistryofIndustryandInformationTechnologyofthe

RepublicsPeopleofChina

ApprovalDepartment：MinistryofHousingandUrban-RuralDevelopmentofthePeoples

RepublicofChinaImplementationDate：April1，2017

ChinaPlanningPress

Beijing2019ChineseeditionfirstpublishedinthePeoplesRepublicofChinain2016

EnglisheditionfirstpublishedinthePeoplesRepublicofChinain2019

byChinaPlanningPress

rd

3Floor，CTower，GuohongBuilding

No.A11，Muxidi-Beili，XichengDistrict

Beijing，100038

www.jhpress.com

PrintedinChinabyBeijingJingyintangGraphicPrintingCenter

?2016bytheStateEconomicandTradeCommissionof

thePeoplesRepublicofChina

Allrightsreserved.Nopartofthispublicationmaybereproducedortransmittedinanyformor

byanymeans，graphic，electronic，ormechanical，includingphotocopying，recording，

oranyinformationstorageandretrievalsystems，withoutwrittenpermissionofthepublisher.

Thisbookissoldsubjecttotheconditionthatitshallnot，bywayoftradeorotherwise，belent，

resold，hiredoutorotherwisecirculatedwithoutthepublisherspriorconsentinanyformof

blindingorcoverotherthanthatinwhichthisispublishedandwithoutasimilarcondition

includingthisconditionbeingimposedonthesubsequentpurchaser.

ISBN978-7-5182-0984-2AnnouncementofMinistryofHousingandUrban-Rural

DevelopmentofthePeoplesRepublicofChina

No.1293

AnnouncementonPublishingthenationalstandardofCodeforDesignof

EngineeringforTelecommunicationPowerSupplyEquipmentInstallation

issuedbyMinistryofHousingandUrban-RuralDevelopment

CodeforDesignofEngineeringforTelecommunicationPowerSupplyEquipmentInstallationhasbeen

approvedasanationalstandardwithaserialnumberofGB51194-2016，whichwasimplementedfromAugust

26，2016.

MinistryofHousingandUrban-RuralDevelopmentofthePeoplesRepublicofChina

August26，2016

Foreword

ThiscodeisformulatedbyChinaInformationTechnologyDesigningandConsultingInstituteCo.，Ltd.

accordingtotherequirementsofDocumentJianBiao〔2009〕No.88issuedbyMinistryofHousingand

Urban-RuralDevelopment-"NoticeonPrintingtheDevelopmentandRevisionPlanofEngineering

ConstructionStandardsin2009".

Duringtheprocessofformulatingthiscode，thecodeformulationgroupconductedinvestigationsand

research，summedupyearsofexperienceonthedesignofengineeringfortelecommunicationpowersupply

equipmentinstallation，discussedandmodifiedtheprovisionsofthecodeagainandagain，solicitedopinions

widely，andfinallyformulatedthiscode.

Thiscodecomprises10chaptersand1appendix.Themaincontentsinclude"Generalprinciples"，

"Terms"，"Classificationofutilitypowerandtelecommunicationstationsandutilitypowerintroducing"，

"Alternativecurrentpowersupplysystem"，"DirectCurrentpowersupplysystem"，"Alternativecurrent

uninterruptiblepowersystem（UPS）"，"Lightningprotectionandearthingsystem"，"Supervisionsystemfor

powerandenvironment"，"Conductingwireselectionandlaying"，"Machineroomandequipment

arrangement"，"capacitycalculationofsmallsolarcellmatrixforlandapplication"andsoon.

Theprovision（s）ofthiscodeprintedinboldtypeis（are）compulsoryone（ones）andmustbeenforced

strictly.

MinistryofHousingandUrban-RuralDevelopmentisinchargeoftheadministrationofthiscodeand

theexplanationofthecompulsoryprovisions.MinistryofIndustryandInformationTechnologyisinchargeof

dailymanagement.AndChinaInformationTechnologyDesigning&ConsultingInstituteCo.，Ltd.is

responsiblefortheexplanationofspecifictechnicalcontents.Ifyouhaveanycommentsorsuggestionsduring

theprocessofimplementingthiscode，pleasesendthemtoChinaInformationTechnologyDesigningand

ConsultingInstituteCo.，Ltd.（Address：ZhuYuCommercialCenter，No.9ShouTiNanRD，HaiDianDistrict，

Beijing，Postcode：100048）.

Thechiefdevelopmentorganization，chiefdraftingandexaminationstaffofthiscodeareasfollows.

ChiefDevelopmentOrganization：

ChinaInformationTechnologyDesigningandConsultingInstituteCo.，Ltd.

ChiefDraftingStaff：

ZhuQingfengWangWeiTengDa

ChiefExaminationStaff：

GuoWuWangLuLiJiChenYueqinGuanYanchaoChengJinhui

DongChunguangKeYuanhuaLiuLipingPanXiaojuContents

1GeneralProvisions………………（1）

2Terms……………（2）

3ClassificationsofUtilityPowerandTelecommunicationBureaus（Station）and

UtilityPowerIntroducing………………………（4）

4AlternativeCurrentPowerSupplySystem………（6）

4.1GeneralRequirements…………（6）

…………………（6）

4.2HighVoltageDistributionSystem

4.3Transformer……………………（7）

…………………（7）

4.4LowVoltageDistributionSystem

4.5StandbyGeneratorSet…………（7）

5DirectCurrentPowerSupplySystem……………（11）

…………（11）

5.1GeneralRequirements

5.2Lead-acidBatteryPack…………（12）

……………（13）

5.3ConverterEquipment

5.4SolarCell……………………（13）

6AlternativeCurrentUninterruptiblePowerSystem（UPS）………（15）

………………（15）

6.1GeneralProvisions

6.2SystemConfiguration……………（15）

7LightningProtectionandEarthingSystem………（16）

8SupervisionSystemforPowerandEnvironment…………………（17）

9ConductorWireSelectionandLaying…………（19）

10MachineRoomandEquipmentArrangement…………………（21）

10.1RequirementsofMachineRooms…………………（21）

………………………（21）

10.2ArrangementofEquipment

AppendixACapacityCalculationofSmallandMediumSolarCellMatrixfor

LandApplication……………………（25）

ExplanationofWordinginThisCode………………（27）

ListofQuotedStandards……………（28）

Addition：ExplanationofProvisions…………………（29）

1GeneralProvisions

1.0.1Thiscodeisformulatedwithaviewtostandardizingthedesignoftelecommunicationpower

equipmentinstallation，ensuringthesafetyofpersonnelandequipment，andthenormaloperationof

equipment.

1.0.2Thiscodeisapplicabletotheequipmentinstallationengineeringdesignforconstruction，renovation

andextensionoftelecommunicationpowersupply.

1.0.3Underthepreconditionofensuringpowersupplyquality，telecommunicationpowersupplyequipment

installationdesignmustconsidertheconvenienceofinstallation，maintenanceanduse；andshallensurethe

telecommunicationsecurityforthespecialconditionssuchasnaturaldisasterandthelike.

1.0.4Powerequipmentforpublictelecommunicationnetworkusedinareaswheretheseismic

fortificationintensityinourcountryisabovelevel7（including7）mustbequalifiedthroughthe

seismicperformancetestoftelecommunicationequipment.

1.0.5Therecentconstructionscaleofprojectdesignschemeandequipmentconfigurationandthelike

shallbecombinedwiththefuturedevelopmentplan.Meanwhile，techno-economiccomparisonamongmany

schemesshallbemadeaccordingtoprojectconstructionanddevelopmentprediction，economiceffect，

equipmentservicelife，possibilityofextensionandreconstructionandthelikefactors.Thehighlyreliable

schemewithlowengineeringandmaintenancecostsshallbeselected.

1.0.6Thedesignshallbesuitabletoactualcircumstancesandtechnologyadvanced，economicreasonable

andsafetyapphcable.Theextensionandreconstructionengineeringshallfullyconsiderthefeaturesof

originaltelecommunicationequipment，utilizereasonablytheoriginalbuildings，equipmentanddevicesand

takeinnovationmeasures.Thedesignshouldachievetheobjectivesoftheadvancement，economyand

application.

1.0.7Thedesignoftelecommunicationpowershalladoptenergysavingtechnology.

1.0.8Thetelecommunicationbureaus（stations）shalladoptcentralizedsupervisionandcontrolsystemfor

powerandenvironment.

1.0.9Forthedesignofengineeringfortelecommunicationpowerequipmentinstallation，notonlythe

requirementsstipulatedinthisstandard（code），butalsothoseinthecurrentrelevantstandardsofthenation

shallbecompliedwith.

·1·2Terms

2.0.1Thenearfutureandforward

Consideringtheengineeringconstructionscale，theeconomicandreasonableloadclassificationis

needed.Thenearfuturemeansaperiodof1years-3yearsaftercompletionofconstructionofengineering

project；theforwardmeansaperiodof3years-5yearsaftercompletionoftheconstructionofengineering

project.

2.0.2Centralizepowersupplyanddecentralizepowersupply

Thecentralizepowersupplymeansonlyonetelecommunicationpowersupplycentre（suchaspower

roomandbatteryroom）ismountedinthewholebureauandalltelecommunicationequipmentissuppliedby

thispowersupplycentre.

Thedecentralizepowersupplymeansmanytelecommunicationpowersupplycentresaremountedinthe

wholebureauandeachpowersupplycentresuppliestheadjacenttelecommunicationequipment

independently.

2.0.3Independentpowersupply

Theindependentpowersupplyreferstothepowersupplythatisnotaffectedbypowerfailureorpower

cutofotherpowersupplyduringtheoperation.Inthiscodeitmainlyreferstoapowergenerationplant

（station）andatransformersubstationoraswitchingstationataringpowergridcomprisedoftwoormore

generationplants（stations）.

2.0.4Introducingpowersupplyline

TheIntroducingpowersupplylinereferstothepowersupplylineledinaccordancewiththefollowing

utilitypowersupplymodes.

1Specialcablelinesorspecialoverheadlinesdirectlyledinfromthelead-outofpowergeneration

plants（stations）ortransformersubstations.

2Cablelinesoroverheadlinesdirectlyledinfromtransmissionlinesofpowergenerationplants

（stations）ortransformersubstations.

3Cablelinesoroverheadlinesdirectlyledinfromaringpowergrid.

2.0.5Clearwidth

Theclearwidthreferstothehorizontalspacingbetweenequipmentorbetweentheequipmentandthe

biggestledgeofwall.

2.0.6Twolevellowvoltagedisconnection

Thetwolevellowvoltagedisconnectionfunctionisameasureusedtoensurethesafetyofnetwork

operationinviewofthespecificityofthestructureofmobiletelecommunicationtransmissionnetwork.That

istosay，incaseofutilitypoweroutageandthebatterydischarging，whenthevoltageofthebatteryreaches

certainvalue，thepowersupplyofwirelessloadofbasestationwillbedisconnectedautomatically（namely

firstleveldisconnection）andthebatterywillsupplythetransmissionloadpreferentially.Whenthevoltage

ofthebatteryreachesthecut-offvoltage，thepowersupplyofallloadswillbedisconnected（namelysecond

leveldisconnection）forthepurposeofprotectingthebattery.

2.0.7Assuredload

·2·Assuredloadreferstotheloadthatispoweredbytheutilitypowerundernormalcondition，andpowered

bystandbygeneratorsetsincaseoftheinterruptionofutilitypower.

2.0.8Highvoltage

Thehighvoltagestatedinthiscodemeansthevoltageclassof10kVandabove.

·3·3ClassificationsofUtilityPowerandTelecommunication

Bureaus（Station）andUtilityPowerIntroducing

3.0.1Theutilitypowerisclassifiedintofourclassesaccordingtothepowersupplyconditionsofthearea

wherethetelecommunicationbureaus（stations）arelocated，introducemodesandoperationstatusofpower

linesoftelecommunicationbureaus（stations）.Theclassificationconditionshallconformtothefollowing

provisions：

1ClassⅠutilitypowersupplyshallleadinonepowersupplylinerespectivelyfromtwostable，reliable

andindependentpowers.Thesetwopowerlinesshallnotpoweroffformaintenanceatthesametime.The

averagenumberoftimesofpowercuteachmonthshallnotbemorethanone.Andtheaverageeachfailure

timeshallnotbelongerthan0.5h.Twointroducingpowersupplylinesshouldbeequippedwithautomatic

switchingindeviceforstandbyutilitypower.

2ClassⅡutilitypowersupplyintroducingpowersupplylinemayhavetheplannedmaintenancepower

outages.Theaveragenumberoftimesofpowercuteachmonthshallnotbemorethan3.5.Andtheaverage

eachfailuretimeshallnotbelongerthan6h.Thepowersupplyshallmeetoneofthefollowingrequirements：

1）Onepowersupplylineisledinfromastableandreliableringgridcomprisedofmorethantwo

independentpowersupplies.

2）Onepowersupplylineisledinfromastableandreliableindependentpowersupplyorastable

andreliablepowertransmissionline.

3ClassⅢutilitypowersupplyshallleadinonepowersupplyfromonepowersource.Thepower

supplylineislongandtherearemanyusers.Theaveragenumberoftimesofpowercuteachmonthshallnot

bemorethan4.5.Andaverageeachfailuretimeshallnotbelongerthan8h.

4ClassⅣutilitypowersupplyshallmeetoneofthefollowingrequirements：

1）Onepowersupplylineisledinfromonepowersource.Dayandnightpowercutoccursfrequently.

Powersupplyisunwarranted.ItcannotmeettherequirementsofClassⅢutilitypowersupply.

2）Thereisseasonallong-timepowercut.

3.0.2Thetelecommunicationbureaus（stations）shallbeclassifiedaccordingtotheirlevelandimportance，

andaccordwithfollowingprovisions：

1ClassⅠbureaus（stations）shallincludeprovincialandabovelevelhubs，disasterrecoverycentres，

longdistancetelecommunicationbuildings，provincialcorenetworkbureaus，internetsafetycentres，internet

datacenter（R2，R3tier），billingcentres，internationalgatewaysandinternationalsubmarinecablelanding

stationsandsoon.

2ClassⅡbureaus（stations）shallincluderegionalhubs，nationaltrunklinestations，internetdata

centre（R1tier），satelliteearthstations，customerservicestations，radiostations，networkmanagement

centresandsoon.

3ClassⅢbureaus（stations）shallincludecountylevelcomprehensivebuilding，provincial

transmissiontrunklinestations，andmodularlocalexchangeandsoon.

4ClassⅣbureaus（stations）shallincludeterminalaccessnetworkstations，mobiletelecommunication

basestationsandindoordistributionstationsandsoon.

·4·3.0.3Introducingofexternalutilitypowershallaccordwithfollowingprovisions.

1Theconstructionoftelecommunicationbureaus（stations）shalltakefullconsiderationofthe

reliabilityofutilitypower.ClassⅠbureaus（stations）shallconsidertoadopttheClassⅠutilitypower；ClassⅡ

telecommunicationbureaus（stations）shallconsidertheClassⅡutilitypower，andmayconsidertheClassⅠ

utilitypowerincaseofowningtheexternalutilitypowerconditionandtheinvestmentincreaseisnotbig；

ClassⅢbureaus（stations）mayintroducetheClassⅡutilitypowerincasetherelevantconditionsare

satisfied，andmayintroducetheClassⅢutilitypowerincasetherelevantconditionsarenotsatisfied.Class

Ⅳbureaus（stations）mayintroduceClassⅢorhigherclassutilitypowerwhenrelevantconditionsare

satisfied，andmayintroduceClassⅣutilitypowerincasetherelevantconditionsarenotsatisfied.

2Theintroducingofexternalutilitypowershallconsidertheexpandabilityinthefuture.Thevoltage

classoftheexternalutilitypowerledinshallbedeterminedaccordingtolocalpowersupplycondition，power

consumptioncapacityandsoon.Generally10kVutilitypowerintroducingisselected.Thehighervoltage

classofutilitypowerintroducingmaybeconsideredwhenrelevantconditionsaresatisfiedandthepower

consumptioncapacityislarge.

3Forindependentconfiguredsmallcapacitybutmuchimportanttelecommunicationloads，suchas

corenetworkandnationaltrunklinetransmissionnodes，whentheclassificationrequirementsofutilitypower

arenotmetduetoconditionlimit，thereliabilityofpowersupplymaybeenhancedbyimprovingthe

configurationoffixedormobilegeneratorsets.

3.0.4Telecommunicationbureaus（stations）shallpreferentiallyselecttheutilitypowerastheprimary

powersource.

3.0.5Intelecommunicationbureaus（stations），thehighvoltagecablesshouldnotbeledinbythemethod

ofoverheadline.Twohighvoltagecablesofsamebureaus（stations）shouldnotbeledinbythesametrench.

3.0.6Fortheutilitypowerledinfromtwolines，whenoneoflinesispoweroff，thecapacityoftheother

lineshallbeabletosatisfytheimportantloadpowerconsumptionofthetelecommunicationbureau

（station）.

3.0.7Fortelecommunicationbureaus（stations）withover-longutilitypowerintroducinglinesorwithout

utilitypower，theprimarypowersourcemayadoptsolarpowerorotherenergy.

·5·4AlternativeCurrentPowerSupplySystem

4.1GeneralRequirements

4.1.1Onpreconditionthatelectricalloadsrequirementsofbureaus（stations）aremet，thealternative

currentpowersupplysystemshallensuresimplewiring，safeoperation，flexibledispatchingandconvenient

maintenance.

4.1.2TN-Searthingsystemsshallbeadoptedbythelowvoltagealternativecurrentpowersupplysystem

intelecommunicationbureaus（stations）withindependenttransformers.

4.1.3Thepowerdistributioninthealternativecurrentpowersupplysystemshallbesimpleandreliable.

Thenumberofdistributionclassesatthesamevoltage，incaseofhighvoltage（10kVorabove），shouldnot

bemorethantwoclasses；andshouldnotbemorethanthreeclassesincaseoflowvoltage（400Vorlower）.

4.1.4Thepowersubstationanddistributionstationshallbeclosetotheloadcentreaccordingtothe

capacityandthedistributionoftheload.

4.1.5Theallowablelimitfortheharmonicvoltageinanalternativecurrentpowersupplysystemandthat

fortheharmoniccurrentatthecommonconnectionpointsshallmeettherelevantrequirementsofcurrent

nationalstandardQualityofElectricEnergySupply-HarmonicsinPublicSupplyNetworkGB/T14549.

4.1.6Theautomatictransferswitchadoptedbetweenutilitypowersorbetweenutilityandgeneratorset

shallhaveelectricalinterlockingfunction.

4.1.7Theautomaticoperationtransformeranddistributionsystemsshallhavethefunctionof

manualoperation.

4.2HighVoltageDistributionSystem

4.2.1Radialdistributionshallbeadoptedbyhighvoltagedistributionsystemsintelecommunication

bureaus（stations）.

4.2.2Ifthecapacityoftransformersforbureaus（stations）is630kV·Aandabove，highvoltage

distributionunitsshallbeequipped.Forthepowersupplysystemthatledinfromtwoutilitypowerlines，and

equippedwithstandbypowerautomaticswitchingindevice，theautomaticswitchingindeviceshallbe

mountedathighvoltagesidewhenthetransformeris630kV·Aandabove，ormountedatlowvoltageside

whenthetransformerislessthan630kV·A.

4.2.3Whenhighvoltagedistributionsystemsareconstructed，thedemandonfinalloadofbureaus

（stations）shallbeconsidered，andtheexpandedpositionsofhighvoltageequipmentorthehighvoltage

outgoingcabinetshallbereserved.

4.2.4Ahighvoltagedistributionbreakershallpreferentiallyadoptahighvoltagevacuumswitch.Incase

thatinstallationpositioncannotmeettherequirementandthetotalloadcapacityofbureaus（stations）is

below630kV·A，thefusemaybeselected.

4.2.5FortheoperationalpowersupplyofhighvoltagedistributionsystemsinClassⅠ，ClassⅡandClassⅢ

telecommunicationbureaus（stations），theDCoperationalpowersupplyshouldbechosen，andthebattery

packshouldbeconfigured.

·6·4.3Transformer

4.3.1TheClassⅠ，ClassⅡandClassⅢtelecommunicationbureaus（stations）shouldadoptspecial

transformers，andthethree-phasedistributionandenergy-savingtransformerswiththewiringgroupofDyn11

shouldbechosen.

4.3.2Whentransformersparalleloperate，thetransformerswithsametypeandcapacityshallbeadopted，

andthedifferencevaluebetweentheirshort-circuitimpedancesshallbewithin10%.

4.3.3Whenthevoltagefluctuationrangeofhighvoltageutilitypowerexceeds±7%ofratedvoltage，the

on-loadvoltageregulatingtransformersshouldbeadopted.

4.3.4Thecapacityofspecialtransformersshallbeconfiguredaccordingtothenear-futureloadandshall

considercertaindevelopmentload.Theoperationloadofsingletransformershouldnotbelessthan50%of

theratedcapacity.

4.3.5Whenseasonalloadchangeisverybig，twoormoretransformersshouldbesetup，ofwhichone

transformershallbeusedforseasonalload，therestofthetransformersshallbeabletoundertakethelong-

termload.

4.3.6ForClassⅠ，ClassⅡtelecommunicationbureaus（stations），twoormoretransformersshouldbeused，

whenoneofthemhasmalfunctionoroverhaul，theothersshallsatisfythepowerdemandoftheassuredload.

4.3.7Theindoorinstalledtransformersshallbedry-typetransformerswithtemperaturecontroldevices.

Andtheprotectiveenvelopeshallbeconfiguredwhenatransformerismountedinthesameroomwiththe

distributionequipment.

4.4LowVoltageDistributionSystem

4.4.1Betweenlowvoltagebussectionsconnectedwithdifferenttransformersabustieswitchshallbe

configured.Andthebustieswitchshouldbelocatedbeforetransferswitchbetweenutilitypowerandstandby

generatorsets.

4.4.2Thetelecommunicationbureaus（stations）shallequipwithreactivepowerautomaticcompensating

devices.Thecompensatingcapacitorsshouldbemountedatlowvoltagesides，withacertainproportionof

electricreactorsinseries.Aftercompensation，thepowerfactorshallbelargerthan0.9andmeetthelocal

powersupplyrequirements.

4.5StandbyGeneratorSet

4.5.1Thestandbygeneratorsetsconfiguredfortelecommunicationbureaus（stations）shouldbeadoptthe

automaticgeneratorsetwiththefunctionsofautomaticinput，removalandsupplement.Theautomatic

generatorsetshallhavetheperformanceofremotesignalling，telemetering，remotecontrolandstandard

interfaces，communicationprotocol.

4.5.2Theconfigurationofcapacityshallmeetthefollowingprovisions：

1Forbureaus（stations）withClassⅠandClassⅡutilitypower，whenthefuturedevelopmentloadis

large，standbygeneratorsetmaybeconfiguredaccordingtotheloaddemandofthenearfuturewith

considerationofacertaindevelopmentload.Whenthefuturedevelopmentloadisnotlarge，standby

generatorsetshouldbeconfiguredaccordingtofutureload.

2Forbureaus（stations）withClassⅢutilitypower，standbygeneratorsetshouldbeconfigured

accordingtotheloaddemandofthenearfuture.Whenthefuturedevelopmentloadisnotlarge，standby

·7·generatorsetshouldbeconfiguredaccordingtothefutureload.

3Forbureaus（stations）withClassⅣutilitypower，standbygeneratorsetshouldbeconfigured

accordingtotheloaddemandofthenearfuture.

4ThestationarygeneratorsetsshouldselectDieselgeneratorsets.Forthebureaus（stations）which

havegeneratorsetswithunitcapacityofmorethan1600kW，gasturbinegeneratorsetsmaybeused.For

vehicle-mountedgeneratorsetswiththecapacityof800kWorabove，gasturbinegeneratorsetsshouldbe

used.Formobilegeneratorsetswiththecapacityoflessthan10kW，portablegasolinegeneratorsetsmaybe

used.

4.5.3Thetelecommunicationbureaus（stations）mayusethehighvoltagegeneratorsets（10kV）asthe

standbypower.

4.5.4Thequantityofstandbygeneratorsetsshallbedetermi