Thisspecificationhasbeencompiledinordertopromotethestandardisation,rationalisationandtestringmainunits(RMUs)andRMUswithintegratedcontrolplantsolutapplications.TheIRTUfittedRMUsarGenerationnon-standardapplicationsandDistribu本技術(shù)規(guī)范旨在推動(dòng)中壓環(huán)網(wǎng)柜(RMU)及帶有集成控制裝置的環(huán)網(wǎng)柜(IRTU型RMU)的標(biāo)準(zhǔn)化試工作。IRTU型RMU由遠(yuǎn)方終端單元(RTU)及規(guī)定的保護(hù)系統(tǒng)組成，適用于Esko型的戶內(nèi)和戶外應(yīng)用。這類IRTU型RMU主要用于配電自動(dòng)化及獨(dú)立發(fā)電商(IPP)應(yīng)用。此外，本規(guī)范還引入了高風(fēng)險(xiǎn)外殼設(shè)計(jì)及額定電壓為36kV的機(jī)型，用于發(fā)電的非標(biāo)準(zhǔn)應(yīng)用及配電的標(biāo)準(zhǔn)化應(yīng)用。2.Supportingclauses支持條款2.1范圍ThisspecificationcoversEskom'srequirementsfornewfauseonthree-phasecablesystemsforratedfreestandingindoororoutdooroperationataratedfrequencyof50Hz.Thespeunitsusedforinlandandcoastalapplications.Thisscopeexcludesbul本規(guī)范規(guī)定了Eskom公司對(duì)新出廠組裝的環(huán)網(wǎng)柜(RMU)及IRTU型環(huán)網(wǎng)柜的技術(shù)要求，這些設(shè)備適用于額定電壓為3.6KV至36KV(含)的三相電纜系統(tǒng)，設(shè)計(jì)用于額定頻率為50Hz的獨(dú)立式戶內(nèi)或戶外運(yùn)行。本規(guī)范區(qū)分Thepurposeofthisdocumentistospecifytherequirementsfo本文件旨在明確Eskom公司用于獨(dú)立安裝場(chǎng)合的環(huán)網(wǎng)柜(RMU)及IRTU型環(huán)網(wǎng)柜的相關(guān)要求。ThisdocumentshallapplythroughoutEskomHoldingsLimitedDi本文件適用于Eskom控股有限公司的所有業(yè)務(wù)部門。2.2Normative/informativereferences2.2規(guī)范性與參考性文件Partiesusingthisdocumentshallapplythemostrecenteditionofthedocumentslistedinthefollow[2]240-70413291(DSP[3]240-64685228(DST34-333),Gen[3]240-64685228(DST34-333),《保護(hù)型智能電子裝置(IED)通用規(guī)范》。[4]240-85224724(DSP34-462),Standar[5]240-61268576,Standardfortheinterconnec[5]240-61268576,《分布式發(fā)電并網(wǎng)標(biāo)準(zhǔn)》。[6]240-71084644,《桿上自動(dòng)重合器通用與保護(hù)要求標(biāo)準(zhǔn)》。[7]240-56030619(DSP34-1622),Accessoriesform[7]240-56030619(DSP34-1622),《額定電壓11kV至33KV系統(tǒng)用中壓電纜附件》。8]240-75655504,Corrosid[8]240-75655504,《Eskom公司新制鋼制設(shè)備、部件、材料及結(jié)構(gòu)的防腐標(biāo)準(zhǔn)(適用于戶內(nèi)與戶外)》。[9]SANS1874,《開(kāi)關(guān)設(shè)備——額定交流電壓高于1kV且不超過(guò)36kV的金屬封閉環(huán)網(wǎng)單元》。[10]SANS876,《額定交流電壓7.2kV至36kV空氣絕緣外殼內(nèi)電纜終端與帶電導(dǎo)體的絕緣配合要求》。[11]SANS1507-2,《固定敷設(shè)用擠包固體絕緣電纜(300/500V至1900/3300V)第2部分：布電線》。[12]SANS61869-2,Instrumenttra[12]SANS61869-2,《儀用互感器第2部分：電流互感器的附加要求》。[13]SANS61869-3,Instrumenttransf[13]SANS61869-3,《儀用互感器第3部分：感應(yīng)式電壓互感器的附加要求》。Definitions,informatio[14]SANS60815-1,《用于污穢環(huán)境的高壓絕緣子選擇與尺寸設(shè)計(jì)第1部分：定義、信息與通用原則》。[15]SANS61243-5,Liveworkin[15]SANS61243-5,《帶電作業(yè)——電壓指示器——第5部分：電壓檢測(cè)系統(tǒng)(VDS)》。[18]SANS1520,《礦用柔性拖曳電纜第2部分：高壓(3.8/6.6KV至19/33kV)電纜》。[19]SANS62271-202,Hig[19]SANS62271-202,《高壓開(kāi)關(guān)設(shè)備和控制設(shè)備第202部分：高壓/低壓預(yù)制式變電站》。[20]SANS62271-200,《高壓開(kāi)關(guān)設(shè)備和控制設(shè)備第200部分：額定電壓高于1kV且不超過(guò)52KV的交流金屬封[21]D-DT-0863,Free-st[24]D-DT-8019,Cable[25]D-DT-8027,Rubberc[27]240-75655504:Corrosionpro[27]240-75655504,《Eskom公司新制鋼制設(shè)備、部件、材料及結(jié)構(gòu)的防腐標(biāo)準(zhǔn)(適用于戶內(nèi)與戶外)》。[28]240-97690165(DSP34-2123):Specificatio[28]240-97690165(DSP34-2123),《環(huán)網(wǎng)柜遙控要求[29]240-64038621,《數(shù)據(jù)采集與遠(yuǎn)程訪問(wèn)設(shè)備通信標(biāo)準(zhǔn)》。[30]D-DT-8060,《11kV與22kV戶外獨(dú)立式環(huán)網(wǎng)柜采購(gòu)指南》。[31]D-DT-8061,《11kV與22kV戶內(nèi)外IRTU環(huán)網(wǎng)柜采購(gòu)指南》。[34]474-65:OperatingmanualoftheSteeringCommitteeofTechnologies(SCO[34]474-65,《技術(shù)指導(dǎo)委員會(huì)(SCOT)運(yùn)行手冊(cè)》。2.3定義應(yīng)采用SANS1874中的定義及以下定義。定義|說(shuō)明Aprotectionelementwithasettabletimedelayth一種具有可設(shè)定時(shí)間延時(shí)的保護(hù)元件，在超過(guò)動(dòng)作電流整定值時(shí)，其延時(shí)時(shí)間保持恒定。瞬時(shí)保護(hù)元件AnelementwithnointentionaltimedelayactiveaboveapredetermThetermIRTUhasbeenusedinthisdocumenttodenoteaRingMainUsolutionconsistingofaremoteterminalunit(RTU),inte本文件中“IRTU”用于指帶有集成控制裝置的環(huán)網(wǎng)柜(RMU),該裝置由遠(yuǎn)方終端單元(RTU)組成，并可根據(jù)需要集成自供電保護(hù)繼電器(SPR)或保護(hù)型智能電Amicroprocessor-baseddevicethatencompassesallorsomeofthefolloautomation,metering,tele-control,substationDCan一種基于微處理器的設(shè)備，具備以下全部或部分功能：保護(hù)、控制與自動(dòng)化、測(cè)量、遠(yuǎn)方控制、變電站直流與輔反時(shí)限最小時(shí)間保護(hù)元件(IDMT)AprotectionelementofwhichtheminimumoperatingtimeisadjustableandisinverselyproportNegativephasesequence(NPS)protectionProtectionintendedtooperatewhenthenegativesequencecomponentofthesystemcurrentphasorsi環(huán)網(wǎng)柜(RMU)Amedium-voltagemetal-enclosedswitchgearassemblythatcomprisesacombinationofswitch-dcombinationsorcircu一種中壓金屬封閉式開(kāi)關(guān)設(shè)備組件，由隔離開(kāi)關(guān)、熔斷器-開(kāi)關(guān)組合或斷路器功能組RemotecontrolandvisibilityoftheRMUbymeansofanRTUandatelecommunicationslink.通過(guò)遠(yuǎn)方終端單元(RTU)和通信鏈路實(shí)現(xiàn)環(huán)網(wǎng)柜的遠(yuǎn)程控制與監(jiān)視。2.3.2DisclosureclassiControlleddisclosure:controlleddisclosuretoex受控披露：對(duì)外部方進(jìn)行受控的信息披露(可由法律強(qiáng)制執(zhí)行，或由機(jī)構(gòu)自行決定)。2.4縮略語(yǔ)其他縮略語(yǔ)參照SANS1874標(biāo)準(zhǔn)執(zhí)行。Description說(shuō)明AlternatingCurrent交BatteryTrippingUnit蓄電池Description說(shuō)明HumanMachineInterface人InverseDefiniteMinimumTime反時(shí)限最小時(shí)間IntelligentElectronicDevice智能電子裝置IntegratedRemoteTerminalUnit集成遠(yuǎn)方終端單元LowVoltage(<1000V)低電壓(<1000V)MiniatureCircuit-Breaker微型MediumVoltage(1000Vto44000V)中壓(1V至44000V)NormalInverse標(biāo)準(zhǔn)反比SouthAfricanNationalStan“Supervisory”監(jiān)控與數(shù)據(jù)采集系統(tǒng)(SCADA)Self-PoweredProtectionRelVoltageDetectionSystem電壓VoltageTransformer電CrossLinkedPolyethyl2.5Rolesandresponsibiliti2.5職責(zé)與責(zé)任AllEskomemployeesand/orappointedbodiesinvolensurethattheprojectdeliverablemeetstherequirementsofthisstandard.Anydeviationfromtheserequirconstitutenon-conformance,unlessitwasag的要求。任何偏離本標(biāo)準(zhǔn)的行為均視為不符合要求，除非事先獲得Eskom指定AllsuppliersofRMUsandIRTUfittedRMUstoEskommustbeconversantwiththerequirementsofthisstandard,andshallcomplywiththerequirementsherein.Nodeviationswillbeacceptedsupportinginformationordocumentsnecessarytocomplywiththisdocument,andobtainclarityi所有向Eskom提供環(huán)網(wǎng)柜(RMU)及IRTU型環(huán)網(wǎng)柜的供應(yīng)商，必須熟悉并遵守本標(biāo)準(zhǔn)中的各項(xiàng)要求。不允許任何偏離行為。供應(yīng)商應(yīng)確保獲取符合本標(biāo)準(zhǔn)所需的全部支持信息2.6Processformon2.6過(guò)程監(jiān)控Thefollowingdocumentswillbeusedforprocessmonitoring;technicaleva根據(jù)SANS1874的要求，以下文件將用于過(guò)程監(jiān)控：技術(shù)評(píng)估標(biāo)準(zhǔn)，以及技術(shù)附表A和B。2.7Related/supportingdNotapplicable.3.Requirements要求3.1General總則Whereconflictingrequirementsarise,therequirementsofthisspecificationshalltakepre3.1.1RingmainunitstandardconfigudrawingD-DT-8060,andstandardindoorEskombuyersguidedrawingDEskom買方指南圖紙D-DT-8060theringmainunitfromlefttorightaaswitch-fusecombinationand'B’switchdisconnector,fromlefttorightasorderoftheconfigurationisnotimportant,theswitchingdeviceThepreviousconfigurationwouldthenbespecifiedasTheratedlightningkV環(huán)網(wǎng)柜應(yīng)符合表1中“列表2”的要求。b)Integralcabletestfacilitiesthatdonotrequireaccess(i.e.areindependentofthecableterminationenclosure)shallbep(switch-disconnectors).c)Thecabletestfacilityneednotbecapableofbeingpadlocked.d)WorkinginstructionsshallbeprovidedoneachRMUforthecorrece)Alabelshallbeprovided置)a)AllRMUsandIRTUfittedRMUsshall,inaddiswitchingdevicesforspringcharging,opening,trippalsomakeprovisionforremoteoperationsoftheswitchingdevicesforopening,trearthingandspringchargingwhereapplicablevi(i.e.trip,open,charge,earthandclosependantcontrolfittedwithabatterypack)asper等操作),具體要求見(jiàn)技術(shù)附表A。b)Theplug-inconnectorforthehand-heldremocoupler.DetailsoftheconnectorprovidedandpositionedonthefrontoftheRMU.c)Detailsoftheprovisionsrequiredforremotetrippingandclosifunctions/motorisedmechanism,additionaltrip/closecoils,portablebatterytrippingunit(BTU)powersupplyspecification,BTUa)Thelengthoffuse-linksforswitch-fusecombinationsb)Fuse-linksshallbeencapsulatedandnotexposedtoc)Theswitch-fuseratingshallbeprovidedbasedontheallowedtobefittedforthmaximumshortcircuitcurrentwithstandratingtypetestedifdifferenthecableearthswitchhasalowerthree-RMUthree-phaseshort-circuitcurrentwithstandraratinglimitshallbestatedford)Theswitchratingoftheswitch-fuseshort-circuitcurrentwithstandandtheshort-circuitmakingratingtypetestedifdifferenttod)組合開(kāi)關(guān)的額定值應(yīng)包括可用的最大短路耐受電流及開(kāi)斷能力，如與規(guī)范要求不符，應(yīng)提供經(jīng)型式試驗(yàn)驗(yàn)證ThefollowingProtectionsystemsshallba)普通環(huán)網(wǎng)柜(RMU)每個(gè)斷路器均應(yīng)安裝自供電保護(hù)繼電器(SPR),詳見(jiàn)3.6.1。requiredbyuser.b)IRTU型環(huán)網(wǎng)柜應(yīng)在每個(gè)中壓斷路器上安裝自供電保護(hù)繼電器(SPR,見(jiàn)3.6.1和3.6.2)或保護(hù)型智能電子裝置(IED,見(jiàn)3.6.3),具體選擇由用戶確定。c)SPR和保護(hù)型IED應(yīng)符合240-64685228和240-85224724的要求。d)接線與端接應(yīng)符合240-85224724第3.10.5至3.6.1Self-PoweredProtectionRe3.6.1自供電保護(hù)繼電器(SPR)DetailsofSelf-PoweredProtectionRelay(SPR)forRMUs&IRTUfit環(huán)網(wǎng)柜(RMU)及IRTU型環(huán)網(wǎng)柜所用SPR自供電保護(hù)繼電器應(yīng)具備以下保護(hù)功能，并符合240-a)瞬時(shí)過(guò)電流保護(hù)-I>>(PIOC1),具備定時(shí)限(DTL)特性。b)InstantaneousEarthFaultProtection-Io>>(PIOC2-b)瞬時(shí)接地故障保護(hù)-Io>>(PIOC2-剩余過(guò)電流),具備定時(shí)限(DTL)特性。c)TimeDelayedOvercurrentProtection-I>(PTOC1),cocharacteristics:normalinverse,veryinverse,extremelyinverse;anddef比(VeryInverse)、極反比(Extrd)TimeDelayedEarthFaultProtectfollowingIDMTovercurdefinitetime(DTL)protecti(PTOC2-剩余過(guò)電流),包括標(biāo)準(zhǔn)反比、很反比、極反比等IDMT特性及定時(shí)限(DTL)保護(hù)元件。e)Thesettingranges(pick-upsettings,timemultipliers,delaytimes)andresolutione)延時(shí)過(guò)電流、接地故障及高定值瞬時(shí)保護(hù)的整定范圍(起動(dòng)電流、時(shí)間倍率、延時(shí)時(shí)間)及分辨率應(yīng)符合240-85224724要求，并在附表B中注明。f)Theminimumearthfaultpick-upcurrentshallbe40AprimaCTratioselected.Detailsofhowthiswilla)AstheSelf-PoweredRelayisdshallpowerupfromminimumof<20%ofitsratingwith3-Phaseloadcurrentof<40%ofitsratingfor1-Phb)TheSPRshallincludeanHMIwitcurrents,protectionsettings,faultrecords,eventlogsandallowb)SPR應(yīng)配備帶顯示屏的人機(jī)界面(HMI),用于顯示三相負(fù)載電流、保護(hù)定值、故障記錄、事件日志，并支持c)ApplicationofProtectionSettingsshallbedoneprotectionfunctionalityaccordingtoclause3.15.2of240-64685228.SPRsusingSwitchesorPotentiometersfortheapplicationofProtectionsed)TheSoftwareandfirmwareree)Atimeanddatewithaminimumresolutionof5msshallshallbeinaccordancewithclause3.17of24f)TheProtectionsystemspecificationuptotheratedshort-circuitbreakingcurrentoftheMVcircuitbreaker.Proofofthisperformanceshallbeprovided.g)TheSPRshallbepositj)ThevendorshallberesponsibletoconfiguretheSPRperanapproveshallperformroutinetestsusingprimaryWherethetrippingoftheMVcircuitbreakershallbethroua)Forthe200AMVcircuitbreaker,thecurrenttransformers(CTs)shallbeoftype,withratiosof200/100:1A.IfalternativeCTratiosareb)Forthe630AMVcircuitbreaker,thecurrenttransformers(CTs)shallbeofthemulti-ratiotype,withratiosof400/200:1A.IfalternativeCTratiosarerequired,theyshalltimeoftender.3.6.2DetailsofSelfPoweredProtectionRelay(SPR)forIRTUfittedRMUsWhereIRTUfittedRMUsrequireaselfadditionalfunctionalia)TheSPRshallbecapableofbeingpoweredbytheIRTUDCsupprevertingtoitsself-poweredmodeshoub)TheSPRshallincludeserialSCADAint型IED應(yīng)滿足以下具體保護(hù)要求，并符合240-71084644第2部分(遠(yuǎn)動(dòng)要求)、240-64685228及240-85224724的相關(guān)規(guī)定。GeneralProtectionfunctionaa)Aharmoniccurrentinrushrestmethodofferedinthetenderdocumentation.a)應(yīng)提供經(jīng)采購(gòu)方批準(zhǔn)的諧波涌流抑制功能。供應(yīng)商須在投標(biāo)文件中說(shuō)明所采用的方法。b)Theratioofdrop-offcurrenttopick-upcurrentshallbeatleast95%forallprotectiob)所有保護(hù)功能的返回電流與動(dòng)作電流之比應(yīng)不小于95%(Idrop-off/Ipick-up×100%≥95%)。c)TheE/Ffunctionshallbeequippedwithharmonicfilteringtoprev2.3rdharmonicrejection>50:1.c)接地故障(E/F)保護(hù)應(yīng)具備諧波濾波功能，以防止在一次剩余接地電流中存在諧波時(shí)誤動(dòng)作。應(yīng)配備低通濾波1)二次諧波抑制比大于6:1;2)三次諧波抑制比大于50:1。d)Allprotectionfunctions,i.e.overcurrent(O/C)and1.Resettingofapicked-upIDMTLorDTLprelectromechanicalprotectionrelay,2.ThepreferredmethodofdiskresetshallbeinaccordancewithIEC6023.Analternativemethod4.Thefunctionshallbeud)所有保護(hù)功能(包括過(guò)電流O/C和接地故障E/F)均應(yīng)具備符合IEC60255-151的特性：2)優(yōu)選的復(fù)歸方式應(yīng)符合IEC60255-4的A、B、C類及長(zhǎng)反比、短反比復(fù)歸曲線；3)可選的替代方式為用戶自定義DTL復(fù)歸時(shí)間(可設(shè)范圍為1s至20s);4)以上功能應(yīng)可由用戶選擇。andthetimemultipliershallbeselectablee)保護(hù)時(shí)間-電流特性曲線(TCC)應(yīng)可從IEC和ANSI標(biāo)準(zhǔn)曲線庫(kù)中選擇。用戶配置軟件中應(yīng)允許在同一界面選a)DelayedprotectionoperationshallbepossiblebyselectinganIDMTLprotectionela)延時(shí)保護(hù)應(yīng)支持選擇符合IEC60255-151的IDMTL元件，具備標(biāo)準(zhǔn)反比(NI)、很反比(VI)、極反比(EI)曲線，或定時(shí)限元件(時(shí)間延遲可在0.05s至10s范圍內(nèi)以0.05s步進(jìn)調(diào)節(jié))。b)Overcurrentpick-upsettingrangeshallbeselectablefrom50Aprimarytb)過(guò)電流動(dòng)作值的設(shè)定范圍應(yīng)可從50A一次值至斷路器額定負(fù)載電流的至少兩倍之間選擇，步進(jìn)不大于10A。具體設(shè)定范圍與步進(jìn)應(yīng)在附表B中列明。c)Rapidprotectionoperationshallbepossiblebysec)應(yīng)可通過(guò)選擇快速動(dòng)作曲線或定時(shí)限(DTL)保護(hù)元件實(shí)現(xiàn)快速保護(hù)動(dòng)作。d)Co-ordinationoftherapidprotectionelementsbetweentwodevicesinseriesshallbepossibd)串聯(lián)安裝的兩個(gè)保護(hù)裝置之間應(yīng)能實(shí)現(xiàn)快速保護(hù)的配合，可通過(guò)選擇適當(dāng)?shù)奶匦郧€族或在動(dòng)作時(shí)間上增加可調(diào)延時(shí)(通常0.05s至3s,以0.05s步進(jìn))來(lái)實(shí)現(xiàn)，或采用Eskom認(rèn)可的其他方法。e)Longprotectionoperatingtimesassociatedwithfaultlevelsmarginallyabovethepick-upsettingoftheIDMTLprotectionelementshallbeavoidedbytheprovisionofaLowSetDefiniteTime2.Theelementshallhavethesamepicke)為避免當(dāng)故障電流略高于IDMTL動(dòng)作電流時(shí)保護(hù)動(dòng)作時(shí)間過(guò)長(zhǎng)，應(yīng)設(shè)置低定值定時(shí)限元件，其特性如下：1)該元件應(yīng)可啟用或停用；啟用時(shí)應(yīng)與其他選定保護(hù)元件同時(shí)生效；2)該元件的動(dòng)作電流設(shè)定值應(yīng)與IDMTL元件相同。3)延時(shí)時(shí)間應(yīng)可在1s至10s范圍內(nèi)選擇，步進(jìn)為1s。該延時(shí)應(yīng)獨(dú)立于曲線特性調(diào)整。f)AHighSetInstantaneouselementwithasel1)該元件應(yīng)可啟用或停用；啟用后應(yīng)與所有選定元件同時(shí)生效。independentofanycurvemanipulation.2)該元件的動(dòng)作電流設(shè)定范圍應(yīng)至少為過(guò)電流設(shè)定值的100%至3000%,且應(yīng)獨(dú)立于曲線特性調(diào)整。g)Acoldloadpick-up(CLP)featureshallbeprovidcharacteristicsunderconditionsofsystemenergization.TheCLPfunctionmaybeprovidedinoneofthefog)應(yīng)提供冷負(fù)荷投入(CLP)功能，使用戶可在系統(tǒng)重新合閘時(shí)調(diào)整保護(hù)特性。該功能可通過(guò)以下兩種方式之一1.Thepick-upcurrentsettingoftheIDMTLO/CelementandtheLowSetDefiniteTimeO/Cewithasettablefactortoincreasethepick-upcurrentofthbeblockedforthisti1)可通過(guò)設(shè)置系數(shù)臨時(shí)提高IDMTL過(guò)電流元件及低定值定時(shí)限元件的動(dòng)作電流值，在CLP持續(xù)期間內(nèi)使用。此2.TherapidO/Celementandthe2)亦可在CLP持續(xù)期間封鎖快速過(guò)電流元件和低定值定時(shí)限元件。h)TheCLPfunctionshallhave2)CLP的作用時(shí)間應(yīng)可在0分鐘至120分鐘范圍內(nèi)選擇，步進(jìn)為1分鐘。3)過(guò)電流元件的修正系數(shù)應(yīng)可在1至2之間選擇，步進(jìn)為0.1。Alternatively,anautomaticintelligentmethodofCLPmaybeappliedwherebypreviousloadandouaccountwhenmodifyingtheO/Celementdy或者，可采用智能自動(dòng)CLP方法，根據(jù)系統(tǒng)先前負(fù)荷和停電時(shí)間動(dòng)態(tài)調(diào)整過(guò)電流元件。a)接地故障保護(hù)應(yīng)能檢測(cè)低至10A一次值的接地電流，具體設(shè)定范圍應(yīng)在附表B中列明。b)Delayedprotectionoperationshallbb)應(yīng)支持根據(jù)IEC60255選擇具備標(biāo)準(zhǔn)反比(NI)、很反比(VI)、極反比(EI)曲線的IDMTL元件，或定時(shí)限元件，時(shí)間延遲可在0.05s至10s范圍內(nèi)以0.05s步進(jìn)調(diào)節(jié)。c)RapidprotectionoperationshallbepossiblebyselectingafastcurveoraDTpidprotectionelementsbetweentwodevicrc)應(yīng)可通過(guò)選擇快速特性曲線或定時(shí)限(DTL)元件實(shí)現(xiàn)快速接地故障保護(hù)。對(duì)于串聯(lián)設(shè)備，應(yīng)能通過(guò)選取適當(dāng)曲線族或增加可調(diào)延時(shí)(通常0.05s至3s,步進(jìn)0.05s)實(shí)現(xiàn)配合，或采用其他認(rèn)可方法。d)AHighSetInstantaneouselementwithaselect1)該元件應(yīng)可啟用或停用；啟用后應(yīng)與所有選定元件同時(shí)生效。independentofanycurvemanip2)該元件的動(dòng)作電流設(shè)定范圍應(yīng)至少為接地故障設(shè)定值的100%至1500%,且獨(dú)立于曲線特性調(diào)整。3)延時(shí)時(shí)間應(yīng)可在0.05s至1s范圍內(nèi)選擇，步進(jìn)為0.05s。該延時(shí)應(yīng)獨(dú)立于曲線特性調(diào)整。DirectionalPowerfunctionTheoffershallincludethefollowingDirectioa)Twodirectionalpowerelements,capableofdetectingreal(b)Eachdirectionalpowerelementshallhaveb)每個(gè)有方向功率元件應(yīng)具備定時(shí)限(DTL)特性。b)TheLiveLoadBlockingshallbeswitchable)IfLiveLoadBlockingisselectedON,itshallnotbepossibletoclosethecircuitbreakedsideofthecircuitbreaker(“LineAlive”).c)當(dāng)帶電負(fù)載閉鎖功能啟用時(shí)，若檢測(cè)到斷路器負(fù)載側(cè)存在電壓(即“線路帶電”),則不允許合上斷路器。d)Liveloadprimarypick-upsettingrangeshallbeselectablefrorbetter.Analternativemethodofprovidingliveloaddetectionmaybeaccepteduponagreementwithpurchaser.d)帶電負(fù)載檢測(cè)的動(dòng)作電壓設(shè)定范圍應(yīng)可在2000V至設(shè)備額定電壓之間選擇，步進(jìn)不大于100V。經(jīng)采購(gòu)方同Negativephaseseqa)一次側(cè)動(dòng)作電流設(shè)定范圍應(yīng)可在1A至20A之間選擇，步進(jìn)不大于0.5A。c)TheNPSfunctionshallbeblockec)當(dāng)過(guò)電流(O/C)或接地故障(E/F)保護(hù)啟動(dòng)時(shí)，應(yīng)封鎖NPS功能。d)TheNPSresettimeshale)TheNPSfunctionshallbeuserselectabletoop1)僅報(bào)警輸出；2)僅跳閘輸出；3)同時(shí)具備報(bào)警與跳閘輸出。f)DirectionalNPSfunctionalityshallbeprovided.f)應(yīng)提供有方向的負(fù)序電流保護(hù)功能。Under-andover-Preferenceshallbegivent應(yīng)優(yōu)先選用具備以下頻率保護(hù)功能的繼電器：a)頻率保護(hù)應(yīng)具備超頻與低頻兩個(gè)獨(dú)立定值，并配備定時(shí)限(DTL)延時(shí)功能。Similarly,asthefrequencyexceb)當(dāng)系統(tǒng)頻率低于低頻設(shè)定值時(shí)，應(yīng)啟動(dòng)定時(shí)限延時(shí)計(jì)時(shí)并發(fā)出跳閘指令；同樣，當(dāng)頻率高于超頻設(shè)定值時(shí)，也應(yīng)啟動(dòng)跳閘動(dòng)作。c)Auserselectableblockingfunctionshoufrequencyisoutsidetheunder-andover-frequencysc)應(yīng)提供用戶可選擇的閉鎖功能，當(dāng)測(cè)得的系統(tǒng)頻率超出低頻或超頻設(shè)定范圍時(shí)，應(yīng)禁止斷路器合閘。d)Thefrequencyprod)頻率保護(hù)功能應(yīng)符合以下指標(biāo)：1)低頻動(dòng)作設(shè)定范圍應(yīng)為45Hz至50Hz,步進(jìn)0.05Hz。2)超頻動(dòng)作設(shè)定范圍應(yīng)為50Hz至55Hz,步進(jìn)0.05Hz。3)定時(shí)限延時(shí)應(yīng)可在0s至5s范圍內(nèi)調(diào)整，步進(jìn)0.02s。4)頻率檢測(cè)動(dòng)作時(shí)間應(yīng)不超過(guò)0.1s。5.Theaccuracyofthefrequencyme5)頻率測(cè)量精度應(yīng)優(yōu)于±10mHz。6)復(fù)歸時(shí)間應(yīng)為瞬時(shí)。7)該元件應(yīng)具備30mHz至50mHz之間的復(fù)歸差(即遲滯值)。8)建議該元件具備可調(diào)欠壓閉鎖功能，閉鎖電壓范圍應(yīng)在0.3至0.9×Vn之間。a)電壓保護(hù)應(yīng)具備過(guò)壓與欠壓兩個(gè)獨(dú)立設(shè)定值，并配備定時(shí)限(DTL)延時(shí)器。b)Asthepowersystemvoltagedropsbelowthesetunder-vc)Thevoltageprotectionfunctionshallcomplywiththe1)欠壓與過(guò)壓動(dòng)作電壓設(shè)定范圍應(yīng)為二次側(cè)0V至300V,步進(jìn)0.1V;穩(wěn)態(tài)動(dòng)作精度應(yīng)優(yōu)于±2V且不超過(guò)設(shè)定值的±5%。2)定時(shí)限延時(shí)時(shí)間應(yīng)可在0s至300s范圍內(nèi)調(diào)節(jié)，步進(jìn)1s。d)Thevoltageprotectionfunctionshallbeuserselectableto1)僅報(bào)警輸出；2)僅跳閘輸出；3)同時(shí)具備報(bào)警與跳閘輸出；4.Circuitbreakercloseblockingwhenmeasuredvoltageisoutsidetheunder-andover-voltages4)當(dāng)檢測(cè)電壓超出欠壓或過(guò)壓設(shè)定范圍時(shí)，應(yīng)閉鎖斷路器合閘。e)VTfusefailsupervisionisrequiredpersubclause4.3.13of240-852247voltage-dependentprotectionfunce)按照240-85224724第4.3.13小節(jié)的要求，應(yīng)具備電壓互感器熔斷器熔斷監(jiān)測(cè)功能，當(dāng)檢測(cè)到熔斷時(shí)應(yīng)發(fā)出報(bào)警Thecharacteristicsofthemeasurementfunctionsshallbeasfolla)Measurementsshallbedoneusinutilisethreecurrentsensorstomeasurelinephase-to-neutralvoltages(red-to-neutral,white-to-neutralandblue-to-a)測(cè)量應(yīng)采用三相四線(3P4W)方式。測(cè)量系統(tǒng)應(yīng)使用三個(gè)電流傳感器測(cè)量三相電流(紅、白、藍(lán)三相),并使用三個(gè)母線電壓傳感器測(cè)量相-中電壓(紅-中、白-中、藍(lán)-中)。b)Thefollowingmeasurementquantitiesshallbemeasured/calculated,andthperclauseof240-71084644:b)應(yīng)測(cè)量或計(jì)算以下電氣量，其具體要求與精度應(yīng)符合240-71084644第條的規(guī)定：1.Voltage(r.m.s.)[kV]:phase-to-phaseandphase-to-neutral1)電壓(有效值)[kV]:母線及斷路器負(fù)載側(cè)三相的相間與相對(duì)中性點(diǎn)電壓；2.Current(r.m.s.)[A]:linecurrentperphase.2)電流(有效值)[A]:每相的線路電流；3.Activepower[kW]:perpha3)有功功率[kW]:每相及三相總功率；4.Apparentpower[kVA]4)視在功率[kVA]:每相及三相總功率；5.Reactivepower[kVAr]:perphaseandthree-phasepower.5)無(wú)功功率[kVAr]:每相及三相總功率；6)有功能量[kWh]:三相總能量；7)無(wú)功能量[kVArh]:三相總能量；8)功率因數(shù)：應(yīng)指示超前或滯后方向及其數(shù)值；9)最大需量：針對(duì)上文3)和4)所列的功率參數(shù)進(jìn)行記錄與顯示。c)Itwillbepreferredifpeakcurrentmeasurementsarerecordedwhenauserselectablethresholdvalueisexcmaximumvalueattained,durationthatthresholdexceeded,thetimeanddatec)當(dāng)電流超過(guò)用戶設(shè)定的閾值時(shí)，應(yīng)能記錄峰值電流。系統(tǒng)應(yīng)記錄達(dá)到的最大值、超過(guò)閾值的持續(xù)時(shí)間及事件發(fā)d)Theenergyandmaximumdemandmeasurementsshallbeintegratedwitperiodsof15min,30minor60min.Theseintegratingpeblockintervalsstartingond)電能與最大需量的測(cè)量應(yīng)按時(shí)間積分，積分周期可選擇15分鐘、30分鐘或60分鐘。積分方式不應(yīng)采用“滑動(dòng)e)Thedatabufferfortheenergyandmaximumdemandmeasizeforthedatabuffershallstoree)電能與最大需量測(cè)量的數(shù)據(jù)緩存應(yīng)采用先進(jìn)先出(FIFO)原則。以30分鐘積分周期計(jì)算，數(shù)據(jù)緩存容量至少應(yīng)能存儲(chǔ)4個(gè)月的測(cè)量數(shù)據(jù)。f)Theabilitytodisplay(locallyandremotelytoSCADA)theff)應(yīng)優(yōu)先具備以下量值的顯示功能(包括本地顯示及通過(guò)SCADA遠(yuǎn)程顯示),并應(yīng)顯示其幅值與相角：1)正序電壓；2.Negativephasesequence2)負(fù)序電壓；3)零序電壓；4)正序電流；5)負(fù)序電流；6)零序電流。0IEDEventandDisturbancerecor0IED事件與擾動(dòng)記錄功能a)IEDshallincludeadisturbancerecordera)IED應(yīng)具備擾動(dòng)記錄功能，符合b)IED應(yīng)具備事件順序記錄功能，可記錄如下事件：參數(shù)設(shè)定修改、定值組切換、保護(hù)動(dòng)作或跳閘、斷路器狀態(tài)變化以及輸入/輸出狀態(tài)變化。所有本地與遠(yuǎn)方(手動(dòng)或自動(dòng))控制操作均應(yīng)記錄。c)Thesequenceofeventrecordershallbecapableofrecordingthemaximumphaseandneutralcurrentsassocia動(dòng)-復(fù)歸”過(guò)程。d)Thesignalswhosestatechangesaretobecapturedinthesequence)Eventsshallbedateandtimessequentiallyandchronologically.Theyearshallberecoe)事件記錄應(yīng)帶時(shí)間與日期標(biāo)記，時(shí)間分辨率不低于1ms,基于設(shè)備內(nèi)置實(shí)時(shí)時(shí)鐘。事件應(yīng)按時(shí)間順序依次記f)Thenamingoftheeventsintheeventrecordershallbeconsistentwiththoseusedonf)事件記錄中的事件命名應(yīng)與HMI顯示及通信協(xié)議中使用的名稱保持一致。g)事件記錄器應(yīng)至少能存儲(chǔ)1000條事件記錄，并采用先進(jìn)先出(FIFO)存儲(chǔ)方式。h)Toenableuploadingoftheeventdatawithoutre-loadingofpreviouslyloadeddata,thefollowingisrequired:i)Thedefaultuploadstandardshallbesuchthatrecorderoftheparticulardevicewaslastreadandthenonlydownloadthemorerecentevents.i)默認(rèn)上傳方式應(yīng)使配置軟件自動(dòng)識(shí)別上次讀取的記錄位置1.Theblockofeventsthatmustbeuploaded1)應(yīng)允許用戶選擇上傳的事件區(qū)間，并定義起止日期。2.Registersshallnotclearautomaticallyafteruploadingofdata.2)上傳數(shù)據(jù)后，事件記錄不應(yīng)被自動(dòng)清除。j)ItshallbepossibletosavethesequenceofeventsdownloadedfromtheIEDinxml(e60255-24)andCommaSeparatedValue(CSV)vendor-proprietarysoftwarearenotaccej)從IED下載的事件順序記錄應(yīng)可保存為xml格式(例如符合IEC60255-24要求的COMFEDE格式)、CSV格1Configurationsoftwareb)ConfigurationsoftwareisregardedasanintegralpartoftheIEDandshouldthereforebeincludedaspartoftheproductb)配置軟件應(yīng)視為IED的組成部分，應(yīng)隨產(chǎn)品免費(fèi)提供，不得額外收費(fèi)。c)Theconfigurationsoftwareshallbecompc)配置軟件應(yīng)至少兼容一個(gè)發(fā)布不超過(guò)2年的MicrosoftWindows操作系統(tǒng)版本，以及另一個(gè)2至5年前的版d)ConfigurationsoftwarereleasesshallbefullybackwardcompatiblewithProtectionIEd)配置軟件的更新版本應(yīng)與同系列、服役年限不超過(guò)15年的保護(hù)型IED完全向后兼容。e)AcopyoftheconfigurationsoftwareshallbesubmittedwiththefSoftwareandFirmwareversioncontrolrequirethattheapprovedsoftwareandfirmwareversionsattimeoftendershallnotbechangedbythevendorwithoutwrittenapprovalfromEskom.Thereleaseoffuture(i.e.afterinitialevaacceptance)versionsofsoftwareandfirmwaretoEskomshallbeinaccordancewithUnf)軟件與固件版本須實(shí)行版本控制。投標(biāo)時(shí)經(jīng)批準(zhǔn)的軟件和固件版本，未經(jīng)Eskom書面同意，供應(yīng)商不得擅自更改。未來(lái)(即初次評(píng)估與驗(yàn)收后)向Eskom發(fā)布的更新版本，應(yīng)符合唯一標(biāo)識(shí)文件240-64685228的要求。g)Allfutureupdatesofconfigurationsoftwareandfirmwareshh)Itshallbepossibletoperformfuturefirmwareupgradesviathelocalcommunicationports.FirmwEPROMreplacementarenotach)固件升級(jí)應(yīng)可通過(guò)本地通信端口進(jìn)行；不接受需要更換EPROM芯片的升級(jí)方式。i)Intheeventofachangerequestbeinginitiatedbythewitnessing/verificationbyEskomstaff,bui)如變更由供應(yīng)商發(fā)起，除Eskom人員見(jiàn)證或驗(yàn)證相關(guān)費(fèi)用外(該部分由Eskom承擔(dān)),包括電力系統(tǒng)仿真測(cè)試j)ThesuppliershallinformEskomofanyfirmwareorhardwareupdatethatbecomesavailableforusebyEskspecificallywheretheupdaterelatestoaproblemordeficij)當(dāng)供應(yīng)商發(fā)布可供Eskom使用的固件或硬件更新時(shí)，應(yīng)主動(dòng)通知Eskom,尤其是當(dāng)該更新涉及可能影響設(shè)備可k)ThesuppliershallprovidetheEskomtechnicalrepresentativewithreathereof,anddeclareallassociatedeffects(e.g.impactonperpreviousversions).k)供應(yīng)商應(yīng)向Eskom技術(shù)代表說(shuō)明變更原因，提供詳細(xì)說(shuō)明，并聲明該變更的所有相關(guān)影響(例如對(duì)性能、通信、定值以及與舊版本互操作性的影響)。1)Eskomshallnotbeobligedtoundertaketheevaluationofnewfirmwareversionsornewvnewversionreleasedbythesupplier.ThisdecisionshallbetakenbyEskom'sappointedtechnicalrepr1)Eskom無(wú)義務(wù)對(duì)供應(yīng)商發(fā)布的每個(gè)新版本固件或硬件進(jìn)行評(píng)估，是否評(píng)估由Eskom指定的技術(shù)代表決定。m)UpdatedfirmwareorhardwareshallnotbeconsideredforevaluationbyEskm)若無(wú)更新的技術(shù)手冊(cè)詳細(xì)說(shuō)明新增或修改的功能，Eskom不會(huì)考慮對(duì)新版固件或硬件進(jìn)行評(píng)估。a)TheProtectionIEDapplicationsoftwareshallprovideaconfigurationdatatobeexchangedwithathird-partysettingsmanagementsoftwaredataba)保護(hù)型IED應(yīng)具備導(dǎo)入/導(dǎo)出功能，能夠與第三方定值管理軟件數(shù)據(jù)庫(kù)進(jìn)行保護(hù)定值與配置信息的互換。Eskom采購(gòu)方使用DigSilentStationWare作為該用途的軟件。b)TheSuppliershalldemonstratethebidirectionalexchangeofdatabetweentheprotectionsettb)供應(yīng)商應(yīng)演示保護(hù)定值及配置軟件與MicrosoftExcel表格之間的數(shù)據(jù)雙向交換功能。c)定值文件的數(shù)據(jù)交換格式應(yīng)為開(kāi)放格式，2)帶有公開(kāi)樣式表的*.xml文件格式；4.ExtendedRelayInterfa4)Omicron公司擴(kuò)展繼電器接口(XRIO)格式。5)逗號(hào)分隔值(CSV)文件格式。e)TheSuppliershallprovideMicrosoftExceformatsuitablefordirectimportintotheProtect列。該Excel表應(yīng)具備導(dǎo)出功能，可生成可直接導(dǎo)入保護(hù)型IED定值/配置軟件的文件格式。f)TheSuppliershallprovideasettingf)供應(yīng)商應(yīng)提供適用于DigSilentStationWare定值管理軟件的定值模板。3GeneralIED3IED一般要求b)Theprotectionsystemoffered(i.e.CTs,VTs,IEDs,DC,etratingoftheRMU.b)所提供的保護(hù)系統(tǒng)(即CT、VT、IED、直流系統(tǒng)等)應(yīng)能在環(huán)網(wǎng)柜的額定短路電流條件下可靠動(dòng)作。c)TheIEDshallincludeanHMIwithaDisplc)IED應(yīng)配備帶顯示屏的人機(jī)界面(HMI),用于顯示三相負(fù)載電流、保護(hù)定值及故障記錄。d)Thecontrolsystemsthecircuit-breakerforaprotectiontripcondition.Detailsmustbestatedd)若直流電源(電池)容量不足以在保護(hù)動(dòng)作時(shí)跳開(kāi)斷路器，控制系統(tǒng)應(yīng)阻止斷路器合閘。相關(guān)邏輯與實(shí)現(xiàn)細(xì)節(jié)e)Tripcircuitsupervisionshallbeprovidedanditshallmonitorthetripcircuitforboththeopenandclosedpositie)應(yīng)設(shè)置跳閘回路監(jiān)視功能，可在斷路器分、合閘兩種位置下均監(jiān)控跳閘回路狀態(tài)。f)Provisionshallbemadeforintegrationofanexternaltripfunction,wiredfromX2terminalraif)應(yīng)預(yù)留外部跳閘功能的接入條件，從X2端子排接入至保護(hù)IED的二進(jìn)制輸入端。g)Provisionshallbemadeforintegrationofabinaryoutput(Trip)fromtheprotectiog)應(yīng)預(yù)留保護(hù)IED的二進(jìn)制輸出(跳閘信號(hào))至X2端子排的接線接口。h)ThevendorshallberesponsibletoconfiguretheprotectionIEDperanapprovedroutinetestsusingacombinationofprimaryandsecondaryinjectiontoverifyprotectionsystemoperatioh)供應(yīng)商應(yīng)根據(jù)經(jīng)批準(zhǔn)的定值模板配置保護(hù)IED,并在交付前通過(guò)一次與二次注入試驗(yàn)聯(lián)合驗(yàn)證保護(hù)系統(tǒng)的正確3.6.4CurrentSensorrequire3.6.4保護(hù)型IED的電流傳感器要求a)電流傳感器應(yīng)符合IEC/SANS61869的要求。b)MVCircuit-breakersthereoftobeintegratedtotheassociatedProtectionIED.b)中壓斷路器每相應(yīng)配備一個(gè)電流傳感器(如C