暂态录波型故障指示器技术条件和检测规范20160825翻译件20161018

1、暂态录波型故障指示器技术条件和检测规范（试行）TechnicalrequirementsandinspectionregulationsforTransientstatewaveformrecordingtypefaultindicator暂态录波型故障指示器技术条件和检测规范TechnicalrequirementsandinspectionregulationsforTransientstatewaveformrecordingtypefaultindicator1 范围scope本标准规定了暂态录波型故障指示器（以下简称指示器）的使用条件、技术要求、选型原则、试验项目及方法等。Thisr

2、egulationstipulatestheworkingcondition,technicalrequirements,selectionprinciple,testingsubjectsandmethodsoftransientstatetransientfaultindicator(useindicator“forshortinthefollowingpart).本标准适用于额定电压6.6kV35kV、额定频率50Hz的三相交流配电架空线路中监测负荷、指示、上报短路和接地故障线路区段信息的暂态录波型指示器。Thisstandardissuitableforthetransientwave

3、formrecordingindicatortomonitortheload,indication,uploadingshortcircuitandearthingfaults,forthethreephaseACdistributionoverheadlinewithratedvoltageof6.6kv-35kvandratedfrequencyof50Hz.2 规范性引用文件normativereference下列文件对于本文件的应用是必不可少的。凡是注日期的引用文件，仅所注日期的版本适用于本文件。凡是不注日期的引用文件，其最新版本(包括所有的修改单)适用于本文件。Thefollowin

4、gdocumentsareessentialtothisregulation.Fortheciteddocumentswithdate,onlytheversionwithdateissuitableforthisdocument.Iftheciteddocumentdoesn'haveadate,thelastedversionwillprevailforthedocument.GB/T2423.1-2008电工电子产品环境试验第2部分：试验方法试马效A:低温Electricandelectronicproductsenvironmentaltest,part2:testingmet

5、hod,testA:lowtemperature.GB/T2423.2-2008电工电子产品环境试验第2部分：试验方法试马效B:高温Electricandelectronicproductsenvironmentaltest,part2:testingmethod,testB:hightemperature.GB/T2423.4-2008电工电子产品基本环境试验规程试马效Db：交变湿热试验方法Electricandelectronicproductsenvironmentaltestprocedures,testDb:cyclicdampheattest.GB/T2423.8-1995电工电子

6、产品环境试验第2部分：试验方法试验Ed:自由跌落Electricandelectronicproductsenvironmentaltest,part2:testingmethod,testEd:freefall.GB/T2423.17-2008电工电子产品环境试验第2部分：试验方法试马Ka:盐雾Electricandelectronicproductsenvironmentaltest,part2:testingmethod,testKa:saltmist.GB4208-2008外壳防护等级(IP代码)Enclosureprotectionclass(IPcode)GB/T5169.11-2

7、006电工电子产品着火危险试验第11部分：灼热丝/灼热丝基本试验方法成品的灼热丝可燃T生试验方法Electricandelectronicproductsfirehazardtest,part11:glowingfilamentbasictestingmethodfinishedproductofglowingfilamentflammabletestingmethodGB/T5582-1993高压电力设备外绝缘污秽等级HighvoltageelectricequipmentexternalinsulationpollutiongradeGB/T11022-2011高压开关设备和控制设备标准的

8、共用技术要求CommontechnicalrequirementsofhighvoltageswitchgearandcontrolequipmentstandardGB/T11287-2000电气继电器第21部分量度继电器和保护装置的振动、冲击、碰撞和地震试验第篇：振动试验(正弦)Electricrelay,part21,measurementrelayandprotectiondevicevibration,impact,collisionandearthquaketestGB/T17626.2Electriccompatibilitytestandmeasurementtechnique

9、,staticelectricitydischargeimmunitytestGB/T17626.3Electriccompatibilitytestandmeasurementtechnique,RFelectromagneticfieldimmunitytestGB/T17626.4Electriccompatibilitytestandmeasurementtechnique,electricityrapidtransientchangepulseimmunitytestGB/T17626.5Electriccompatibilitytestandmeasurementtechnique

10、,surge(impact)immunitytestGB/T17626.8Electriccompatibilitytestandmeasurementtechnique,powerfrequencymagneticfieldimmunitytestGB/T17626.10Electriccompatibilitytestandmeasurementtechnique,dampedoscillationmagneticfieldimmunitytestDistributionautomationwirelesspublicnetworkprotocolproceduresprotocolpro

11、ceduresQ/GDW11413-2015配电自动化无线公网通信模块技术规范communicationtechnicalprotocol国家电网公司配电自动化DLT634.5101-2002规约实施细则国家电网公司配电自动化DLT634.5104-2009规约实施细则国家电网公司配电自动化系统安全防护方案StateGriddistributionautomationsystemsafetyprotectionplanIEEEStdC37.111-1999IEEEStandardCommonFormatforTransientDataExchange(COMTRADE)forPowerSyst

12、ems3术语和定义Terminologiesanddefinitions下列术语和定义适用于本文件OThefollowingterminologiesanddefinitionsuitforthisdocument.3.1暂态录波型故障指示器transientrecordertypefaultindicator由采集单元和汇集单元组成，安装在配电线路上，监测线路运行参数，检测和指示各类短路、接地故障，向配电主站上送监测信息和故障检测数据。Consistedbyacquisitionandcollectionunit,mountedonthedistributionline,monitoring

13、lineoperationparameters,inspectingandindicatingallkindsofshortcircuitandearthingfaults,uploadingmonitoringinformationandfaultdetectiondatatodistributionmasterstation.1.2采集单元acquisitionunit安装在配电线路上，能判断并指示各类短路故障，采集、捕获单相接地故障特征数据，采集负荷电流等信息，并将故障信息、负荷电流等信息上传至汇集单元。Mountedonthedistributionline,abletojudgean

14、dindicateallkindsofshortcircuitfaults,acquiringsinglephaseearthingfaultcharacteristicdata,acquiringloadcurrentinformationetc,uploadingthefaultinformationandloadcurrenttocollectionunit.1.37匚集单元collectionunit接收、处理采集单元上传的配电线路故障、电流等信息，同时与配电主站进行通信的单元，可采用架空导线悬挂安装或电力f固定安装方式。Receivingandhandlingthedistribut

15、ionlinefaultsandcurrentinformationuploadedbyacquisitionunit,atthesametimecommunicatingwithmasterstation,mountedontheoverheadlineoronthepole.1.4相电场强度phasevoltageintensity某架空载流导体对地电压的比例感应值。Theratiointeractionvalueofcertainoverheadcurrent-carryingconductorvoltagetoearth.4 使用条件Workingcondition4.1 正常使用条件

16、Normalworkingcondition4.1.1 环境温湿度Ambienthumidityandtemperature环境温度、湿度分级见表1。Seetable1forenvironmentaltemperatureandhumidity表1工作场所环境温度和湿度分级Table1AmbienttemperatureandhumiditygradeGrade环境温度Ambienttemperature湿度HumidityworkingconditionScopeCMaxchangingrate/minrelativehumidity%maxabsolutehumidityg/m3C15+4

17、50.559529NotsuggestedC225+550.51010029OutdoorC340+701.01010035Outdoor（suggested）CXSpecified注：CX级别根据需要由用户和制造商协商确定。CXgradeshallbeconfirmedbythenegotiationofuserandmanufacture.4.1.2盐雾Saltmist盐溶液的浓度应为（5+1）%（质量比），pH值应在6.57.2内（35±2）C。Theconcentrationofsaltsolutionshouldbe（5当）,andphvalueisin6.5-7.2（35

18、2）C.土4.1.3 大气压力Atmosphericpressure70kPa106kPa。4.1.4 海拔高度Altitude安装场地的海拔不超过2000m。Thealtitudeofmountinggroundshouldnotexceed2000m.4.1.5 污秽等级Pollutiongrade不彳氐于V级。NotlowerthanGradeV.4.2 特殊使用条件Specialworkingconditiona）凡是需要满足4.1条规定正常环境条件之外的特殊使用条件，由项目单位在招标文件中明确提出。Iftherearesomespecialrequirementsotherthant

19、hetermsin4.1,theprojecttendereeshouldclearlyproposetherequirementsinthebidingdocuments.b对于安装在海拔高于2000m处指示器的外绝缘，应满足GB/T11022-2011第2.3.2条的要求。Fortheindicator）externalinsulationmountedonthealtitudeof2000m,therequirementsof2.3.2inGB/T11022-2011shouldbemet.5 技术要求Technicalrequirements5.1 总体要求Generalrequire

20、mentsa）指示器由至少3个采集单元和1个汇集单元组成。Theindicatorshouldbeconsistedbyatleast3setsofacquisitionnunitsand1collectionunit.b）c）汇集单元最少支持3组采集单元（每组共3个）的数据汇集。Thecollectionunitshouldsupportthedatagatheringofatleast3setsofacquisitionunits.采用小型化、彳氐功耗、免维护、高可靠设计。Designshouldbeinsmallsize,lowpowerconsumption,maintenancefr

21、eeandreliable.d） 指示器使用寿命不小于8年，采集单元后备电源不低于设备使用寿命。Theworkinglifeofindicatorshouldbeless）e） than8years,andthebackuppowersourceofacquisitionunitshouldnotshorterthanthelifeoftheequipment.指示器平均无故障时间MTBR70000h。5.2 夕卜观与结构Appearanceandstructurea）应具备唯一硬件版本号、软件版本号、类型标识代码、ID号标识代码和二维码，并按照附录A方式统进行识另1。Theequipment

22、shouldhaveexclusivehardwareversioncode,softwareversioncode,TIcode,IDcodeandQRcode,seeappendixA.b）采集单元重量不大于1kg,架空导线悬挂安装的汇集单元重量不大于1.5kg。Theweightofacquisitionunitshouldnotbemorethan1kg,andcollectionunitontheoverheadlineshallnotbiggerthan1.5kg.c）采集单元报警指示灯应采用不少于3只超高亮LED发光二极管，布置在采集单元正常安装位置的下方，地面360。可见。汇集

23、单元的底部应具备绿色运行闪烁指示灯，在杆下明显可见。Thealarmlightsofacquisitionunitshallnotlessthan3ultra-brightnessLED,mountedbeneaththeacquisitionunitandarevisiblein360degrees.Agreenflashingoperationlampshouldbeequippedbeneaththecollectionunitwhichisclearlyseenunderthepole.d）采集单元应有电源、电池正负极等外接端子。汇集单元应有SIM卡槽，外接端子及SIM卡规格参数应按附

24、录BoTheacuqustionunitshouldhavepowersourceandbatterypositiveandnegativeterminalsetc.ThecollectionunitshouldhaveSIMcardslot.TheexternalterminalandSIMcardspecificationshallmeettheparameterinappendixB.e）采集单元宜采用双TA回路设计，取电回路宜采用高磁导率的磁芯。ThecollectionunitisbettertousedoubleTAloopdesign,andpowertakingloopshou

25、ldusehighpermeabilitymagneticcore.f）采集单元和架空导线悬挂安装的汇集单元外壳应采用非金属阻燃材料，能承受GB/T5169.11规定的5级着火危险。指示器外壳应采用抗紫外线、抗老化、抗冲击和耐腐蚀材料，应有足够的机械强度，能承受使用或搬运中可能遇到的机械力，满足长期户外应用免维护要求。Theacquisitionunitandoverheadlinemountedcollectionunitenclosureshouldusenon-metallicflameresistantmaterial,andcanbearGrade5firehazardstipula

26、tedinGB/T5169.11.TheenclosureofindicatorshoulduseUVprotection,anti-aging,impact-proofandanti-corrosionmaterials,andshouldhaveenoughmechanicalstrengthwhichcanbearthemechanicalforcemaymeetduringworkingortransporting.Andtheoutdoormaintenancefreerequirementsshallalsobemet.g）卡线结构应在不同截面线缆上安装方便可靠，安装牢固且不造成线

27、缆损伤，支持带电安装和拆卸。结构件经50次装卸应到位且不变形，不影响故障检测性能。Theclampstructureshallbeeasilymountedondifferentsectionsofthecable.Theinstallationshouldbefirmandmakenodamagetothecable.Installationanddisassemblywithpoweronshallbesupported.After50timesofinstallationanddisassembly,thereshallbenodeformationonthestructure,andt

28、heperformanceshallnotbeaffected.h）外观应整洁美观、无损伤或机械形变，内部元器件、部件固定应牢固，封装材料应饱满、牢固、光亮、无流痕、无气泡。Theappearanceshallbetidyandgood-looking,withoutdamageormechanicaldeformation.Alltheinnercomponentsorpartsshouldbefixedfirmly,andthesealingmaterialsshallbefull,firm,bright,non-flowmark,andfreeofbubbles.5.3 电源要求Powe

29、rsourcerequirements5.3.1 采集单元Acquisitionunita)应采用TA取电并辅以超级电容作为主供电源，能量密度不低于锂电池的非充电电池作为后备电源。主供电源和后备电源相互独立，当主供电源不能维持全功能工作时，后备电源自动投入。当主供电源恢复时，自动切回主供电源供电。超级电容在充满电时应可独立维持全功能工作不小于12h。UseTApowertakingsupplementedbysupercapacitorasmainpowersource,andtakeanon-rechargeablebatterywithitspowerdensitynotlowerthan

30、lithiumbatteryasbackuppower.Themainpowersourceisindependentfrombackuppower,andwhenthemainpowercannotsustainthefullfunction,thebackuppowershallautomaticallyputintouse.Whenthemainpowersourceisrecovered,thepowersupplyshallautomaticallyswitchbacktomainpowersource.Theequipmentshallbeabletoworkatleast12ho

31、urswiththefullychargedsupercapacitor.线路负荷电流不小于5A时，TA取电5s内应能满足全功能工作要求。线路负荷电流低于5A且超级电容失去供电能力时，应至少能判断短路故障，定期采集负荷电流，并上传至汇集单元。Whenthelineloadc)currentisnolessthan5A,theTApowertakingshouldmeettherequirementoffullfunctionworkingin5s.Whenthelineloadcurrentislowerthan5Aandthesupercapacitorlosesitspowersupply

32、ability,theequipmentshallatleastbeabletojudgeshortcircuitfault,periodicallyacquireloadcurrentanduploadtothecollectionunit.非充电电池额定电压应不小于DC3.6V,容量不低于8.5Ah。在电池单独供电时，最小工作电流应不大于80aA。在不更换电池情况下，持续工作时间应不低于8年，且满足闪光报警大于2000小时。Theratedvoltageofnon-rechargeablebatteryshallnotbelessthanDC3.6V,withthecapacitynolo

33、werthan8.5Ah.Whenusingthebatteryindependentlytosupplypower,theminworkingcurrentshallnotbebiggerthan80A.Withoutchangingbattery,theworkinghourshouldnotbelessthan8yearsandthealarmflashingtimeshallbebiggerthan2000hours.5.3.2 汇集单元Collectionunita) 可采用太阳能板或TA取电方式供电，并辅以可充电电池作为后备电源。UsesolarpanelorTApowertaki

34、ngforb) powersupply,andcanbesupplementedwithchargeablebatteryasbackuppower.采用太阳能板供电的汇集单元太阳能板额定输出电压不低于DC15V,容量不低于15VA;电池额定电压为DC12V,容量不低于7Ah。采用TA取电的汇集单元电池额定电压应不小于DC3.6V,容量不彳氐于8.5Ah。Theratedoutgoingvoltageusingsolarpanelpowersupplyofcollectionunitshallnotlowerthanc)DC15V,withcapacitynotlowerthan15VA.Th

35、eratedvoltageisDC12V,withcapacitynolessthan7Ah.TheratedvoltageofcollectionunitwithTApowertakingshallnotlessthanDC3.6V.汇集单元整机功耗(在线，不通信)不大于0.2VAo电池独立供电的情况下，应能全功能工作不少于7天。Thepowerconsumptionofwholecollectionunitsetshallnotbiggerthan0.2VA.Underthecircumstanceofsolepowersupplybybattery,itshouldbeabletowor

36、kinfullfunctionfornolessthan7days.5.4 绝缘性能Insulationperformance5.4.1 绝缘电阻Insulationresistance电杆固定安装汇集单元电源回路与外壳之间绝缘电阻>5MQ(使用250V绝缘电阻表，额定绝缘电压Ui逃0V)。Theinsulationresistancebetweenthecollectionunitmountedonthepoleandenclosureshallbe>5MQ(use250insulationresistancemeter,withratedinsulationvoltageUi遮

37、0V)5.4.2 绝缘强度Insulationstrength电杆固定安装汇集单元电源回路与外壳之间额定绝缘电压Ui小0V时，施加500V工频电压应无击穿、无闪络。WhentheratedinsulationvoltagebetweenpolemountedcollectionunitpowerloopandenclosureisUi遮0V,adda500Vpowerfrequencyvoltage,andthereshallbenobrokenthroughandflashover.5.5 通信要求Communicationrequirements5.5.1 采集单元与汇集单元之间通讯机制C

38、ommunicationmechanismbetweenacquisitionandcollectionunitsa) 采集单元应能主动实时上送故障信息，并每5min记录一次负荷数据。Theacquisitionunitshallbeabletoactivelyb) real-timeuploadfaultinformation,andrecordtheloaddataevery5ms.、应支持实时故障、负荷等信息召测，同时并能根据工作电源情况定期或定时上送至汇集单元。Real-timefaultandc)loadinformationinterrogationshouldbesupporte

39、d,atthesametimetheinformationcanbeperiodicallyuploadedtocollectionunitbasedontheworkingpowercondition.采集单元定时发送信息给汇集单元，汇集单元在10min内没有收到采集单元信息，即视为通信异常。采集单元与汇集单元通信故障时应能将报警信息上送至配电主站。Theacquisitionunitwillperiodicallysendinformationtocollectionunit.Ifthecollectionhasnotreceivedtheacquisitionunitinformatio

40、nin10m,weconsiderthisasacommunicationexception.5.5.2 汇集单元与主站之间通讯机制Communicationmechanismbetweencollectionunitandmasterstationa) 可通过配电主站对汇集单元和采集单元进行参数设置。Theparameterofacquisitionandcollectionunitscanbeb) configuredbydistributionmasterstation.汇集单元应支持数据定时上送、负荷越限上送、重载上送和主动召测，最小上送时间间隔为15min。Thecollection

41、unitshouldsupportdatatimelyupload,loadover-limitupload,heavyloaduploadandactiveinterrogation,andtheminuploadingintervalshallbe15mins.应满足国家电网公司配电自动化系统安全防护方案信息安全防护配置要求。ItshallmeetthesafetyprotectionconfigurationrequirementsofStateGriddistributionautomationsystemsafetyprotectionplan.5.5.3 通讯距离及规约Commun

42、icationdistanceandprotocola)b)c)采集单元与汇集单元通过无线双向通信，可视无遮挡通信距离应不低于50米。Theacquisitionandcollectionunitsusewirelesstwodirectionscommunication,andthevisualnon-blockingcommunicationdistanceshallbenolessthan50m.采集单元与汇集单元之间如通过无线中继或路由方式通信，采集单元之间通信距离应不低于500米。Ifwirelessrelayorrouterisusedinthecommunicationbetwe

43、enacquisitionandcollectionunit,thecommunicationdistancebetweenacquisitionunitsshallbenotlessthan500m.汇集单元与主站通过无线公网双向通信，通信规约应遵循国家电网公司DL/T634.5101-2002规约实施细则、国家电网公司DL/T634.5104-2009规约实施细则。Thecollectionunitandmasterstationusewirelesspublicnetworktorealizetwodirectioncommunications,andtheprotocolshallfo

44、llowDL/T634.5101-2002andDL/T634.5104-2009.5.5.4 对时及守时Timeverificationandpunctualitya) 每组采集单元三相时间同步误差不大于100蹿。Thetimedifferenceof3phasesynchronizationofeverysetsofacquisitionunitsshallnotbebiggerthan100ps.b) 汇集单元应支持主站及北斗或其他同步时钟装置对时，守时精度<2s/24hWhenthecollectionunitsupportsmasterstationorBeidouforclo

45、cksynchronization,thepunctualityaccuracyshouldbe.<2s/24h5.6 功能要求Functionsrequirements150A,突变电流持续一段以闪光形式就地指示故障，5.6.1 短路和接地故障识别Shortcircuitandearthingfaultdetection当检测到电流突变且突变启动值宜不低于5A零漂值，应能就地采集故障信息,5.6.1.1 指示器短路故障判别应自适应负荷电流大小,时间后，各相电场强度大幅下降，且残余电流不超过且能将故障信息上传至主站。Theshortcircuitjudgmentofindicatorsh

46、allbeself-modifiedwiththesizeofloadcurrent.Whenthecurrentsuddenchangesandthechangingvalueisnotlowerthan150A,thechangingcurrentlastsforaperiodandfieldintensityofeveryphasedecreasesheavilywitharesidualcurrentnotover5Anullshiftvalue,thefaultinformationshallbegatheredlocally.Thefaultshallbeindicatedasfl

47、ashing,andthefaultinformationshallbeabletouploadedtomasterstation.5.6.1.2 发生接地故障，当指示器不能判断出接地故障处于安装位置的上游和下游时，采集单元应能就地采集故障信息和波形，且能将故障信息和波形传至主站进行判断，同时汇集单元应能接收主站下发的故障数据信息，采集单元以闪光形式指示故障；当指示器能判断出接地故障处于安装位置的上游和下游时，采集单元应能就地采集故障信息和波形，以光形式指示故障，且能将故障信息和波形上传至主站。Whentheindicatorcannotidentifywhetherthefaultisint

48、heupstreamordownstreamofthelocalifanearthingfaulthappens,theacquisitionunitshallbeabletoacquirefaultinformationandwaveform,uploadthefaultinformationandwaveformtomasterstation.Atthesametime,thecollectionunitcanreceivethefaultdatainformationsentbymasterstation,andacquisitionunitwillflashtoindicatethef

49、ault.Whentheindicatorisabletojudgethelocal,theacquisitionunitcanlocallyacquirefaultinformationandwaveform,andindicatethefaultwithflashinganduploadthefaultinformationandwaveformtomasterstation.5.6.1.3 指示器应能监测线路三相负荷电流、故障电流、相电场强度等运行信息和主供电源、后备电源等状态信息，并将以上信息上送至主站，同时采集单元具备故障录波功能。Theindicatorshallbeabletom

50、onitortheoperation5.6.1.4 informationof3phaseloadcurrent,faultcurrent,phaseelectricfieldstrength,andstatusinformationofmainpowersupplyandbackuppowersupply,anduploadtheaboveinformationtomasterstation.Atthesametime,theacquisitionunithasthefaultwaveformrecordingfunction.接地故障判别适应中性点不接地、经消弧线圈接地、经小电阻接地等配电

51、网中性点接地方式，以及不同配电网网架结构；满足金属性接地、弧光接地、电阻接地等不同接地故障检测要求。Theearthfaultjudgmentissuitablefortheneutralpointnon-connectiontoearth,Petersoncoilearthing,andearthingwithaminorresistance.Itshallalsomeetthedetectionrequirementsofmetallicearthing,arclightearthingandresistanceearthing.5.6.2 当线路发生故障后，采集单元应能正确识别故障类型，

52、并能根据故障类型选择复位形式。Whenthefaultoccurs,thecollectionunitshallbeabletoidentifythefaulttypecorrectly,andselectaresetformbasedonthetypeoffault.a) 能识别重合闸间隔为不小于0.2s的瞬时性和永久性短路故障，并正确动作。Itcanjudgethetransientandb) permanentshortcircuitfaultwithareclosingintervalnolessthan0.2s,andactcorrectly.线路永久性故障恢复后上电自动延时复位，瞬

53、时性故障后按设定时间复位或执行主站远程复位。Afterrecoveryfromalinepermanentfault,automaticallypowerbackonanddelayedreset.Afteratransientfault,resetaspresettimeorexecutingaremoteresetbymasterstation.5.6.3 故障录波Faultwaveformrecordinga)故障发生时，采集单元应能实现三相同步录波，并上送至汇集单元合成零序电流波形，用于故障的判断。Whenfaultoccurs,theacquisitionunitshallreali

54、ze3phasesynchronizedwaveformrecording,anduploadtocollectionunittoformazerosequencewaveformforthejudgmentoffault.b)录波范围包括不少于启动前4个周波、启动后8个周波，每周波不少于80个采样点，录波数据循环缓存。Atleast4cyclesand8cyclesrecordedrespectivelybeforeandafterthefault,andatleast80samplingpointsshallbetakenforeverycycle.Andthewaveformdatash

55、allbestoredcyclically.c)汇集单元应能将3只采集单元上送的故障信息、波形，合成为一个波形文件并标注时间参数上送给主站，时标误差小于100心s。Thecollectionunitcanmakethefaultinformationandwaveformuploadedby3setsofacquisitionunitstoformawaveformdocumentmarkedwithtimeparameter,sendthedocumentwithatimedifferencelessthan100心s.d)录波启动条件可包括电流突变、相电场强度突变等，应实现同组触发、阈值可

56、设。Thetriggeringconditionofwaveformrecordingcanbecurrentsuddenchangesorphasefieldstrengthsuddenchangesetc.Theunitsinthesamesetshallbetriggeredatthesametime,andthethresholdshallbeconfigurable.e)录波数据可响应主站发起的召测，上送配电主站的录波数据应符合Comtrade1999标准的文件格式要求，且只采用CFG和DAT两个文件，并且采用二进制格式。Thewaveformdatacanrespondtheint

57、errogationsentbymasterstation,andthewaveformdatasenttomasterstationshallmeetthefileformatrequirementsinComtrade1999,inonlyCFGorDATformatofbinaryformat.f) 录波稳态误差应符合表2要求。Waveformsteadystateerrorshallfollowtherequirementintable2.g) 故障录波暂态性能中最大峰值瞬时误差应不大于10%。Themaxpeakvaluetransientdifferenceoffaultwavef

58、ormtransientstateperformanceshallnotbiggerthan10%.h) 故障发生时间和录波启动时间的时间偏差不大于20ms。Thetimedifferencebetweenfaulttimeandwaveformstarttimeshallnotbebiggerthan20ms.Inputcurrent(A)0<工3003000X600amplituderelativedifference(phase)3A+1%表2误差要求Table2.Differencerequirements5.6.4防误报警Antifalsealarma) 负荷波动不应误才艮警。Alarmshallnotbetriggeredfor