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IEC_61000-4-30_Ed.中英文对照表IECIEC61000-4-30Edition2.02008-10第2版2008年10月INTERNATIONALSTANDARD国际标准电磁兼容(EMC)BASICEMCPUBLICATION基础EMC出版物一PowerqualityElectromagneticcompatibilityPart4-30:Testingandmeasurementtechniquesmeasurementmethods试验和测量技术-电能质量测量方法IEC61000-4-30Ed.22008PAGE\*MERGEFORMAT...

IEC_61000-4-30_Ed.中英文对照表
IECIEC61000-4-30Edition2.02008-10第2版2008年10月INTERNATIONALSTANDARD国际 标准 excel标准偏差excel标准偏差函数exl标准差函数国标检验抽样标准表免费下载红头文件格式标准下载 电磁兼容(EMC)BASICEMCPUBLICATION基础EMC出版物一PowerqualityElectromagneticcompatibilityPart4-30:Testingandmeasurementtechniquesmeasurementmethods试验和测量技术-电能质量测量方法IEC61000-4-30Ed.22008PAGE\*MERGEFORMAT#IEC61000-4-30Ed.22008PAGE\*MERGEFORMAT#/HSTHISPUBLICATIONISCOPYRIGHTPROTECTED本出版物受版权保护/!\Copyright?2008IEC,Geneva,Switzerland版权所有?2008IEC,日内瓦,瑞士Allrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromeitherIECorIEC'smemberNationalCommitteeinthecountryoftherequester.保留所有权利。除非另有说明,未经IEC或请求人所在的IEC成员国委员会的书面许可,本出版物的任一部分都不允许复制或以任何形式和任何电子的、机械的方法再利用,包括复印和拍摄。IfyouhaveanyquestionsaboutIECcopyrightorhaveanenquiryaboutobtainingadditionalrightstothispublication,pleasecontacttheaddressbeloworyourlocalIECmemberNationalCommitteeforfurtherinformation.如果您对IEC版权有任何疑问,或希望了解获得本出版物的附加权限,请联系下列地址,或您当地的IEC成员国委员会,以获取进一步的信息。IECCentralOfficeIEC总部3,ruedeVarembeCH-1211Genvea20SwitzerlandE-mail:HYPERLINK"mailto:inmail@iec.ch"inmail@iec.chWeb:HYPERLINK"http://www.iec.ch"www.iec.chAbouttheIEC关于IECInternationalElectrotechnicalCommission(IEC)istheleadingglobalorganizationthatpreparesandpublishesInternationalStandardsforallelectrical,electronicandrelatedtechnologies.国际电工委员会(IEC)是一个领先的全球性组织,它起草并出版电气、电子及相关技术领域的各种国际标准。AboutIECPublications关于IEC出版物ThetechnicalcontentofIECpublicationsiskeptunderconstantreviewbytheIEC.Pleasemakesurethatyouhavethelatestedition,acorrigendaoranamendmentmighthavebeenpublished.IEC会不断地复审其出版物的技术性内容。请确保您所获得的是最新版本,或可能出版的勘误、修订文件。?CatalogueofIECpublicationsIEC出版物目录:HYPERLINK"http://www.iec.ch/searchpub"www.iec.ch/searchpubTheIECon-lineCatalogueenablesyoutosearchbyavarietyofcriteria(referencenumber,text,technicalcommittee,…忙C在线目录允许您采用各种方式搜索(参考号、正文、技术委员会等)。Italsogivesinformationonprojects,withdrawnandreplacedpublications.它同时也提供了关于计戈h中止和替代出版物的信息。?IECJustPublishedIEC最新出版:HYPERLINK"http://www.iec.ch/online_news/justpub"www.iec.ch/online_news/justpubStayuptodateonallnewIECpublications.JustPublisheddetailstwiceamonthallnewpublicationsreleased.Availableon-lineandalsobyemail.截至当前的全部新的IEC出版物。最新出版每月两次提供新发布的出版物详细情况,可在线或通过email获得。?Electropedia:HYPERLINK"http://www.electropedia.org"www.electropedia.orgTheworld'sleadingonlinedictionaryofelectronicandelectricaltermscontainingmorethan20000termsanddefinitionsinEnglishandFrench,withequivalenttermsinadditionallanguages.AlsoknownastheInternationalElectrotechnicalVocabularyonline.全球领先的电子和电气术语在线词典,包含2万多个术语和定义(英语和法语),以及其它语言的相应术语。也被称为国际电工在线词汇。?CustomerServiceCentre客户服务中心:HYPERLINK"http://www.iec.ch/webstore/custserv"www.iec.ch/webstore/custservIfyouwishtogiveusyourfeedbackonthispublicationorneedfurtherassistance,pleasevisittheCustomerServiceCentreFAQorcontactus.如果您希望向我们提供关于本出版物的反馈,或需要进一步帮助,请浏览我们的客户服务中心的常见问题回答,或联系我们。Email:HYPERLINK"mailto:csc@iec.ch"csc@iec.chTel.:+41229190211Fax:+41229190300目录TOC\o"1-5"\h\zHYPERLINK\l"bookmark46"\o"CurrentDocument"FOREWORD前言1HYPERLINK\l"bookmark96"\o"CurrentDocument"INTRODUCTION概述3HYPERLINK\l"bookmark103"\o"CurrentDocument"Scope范围4HYPERLINK\l"bookmark111"\o"CurrentDocument"Normativereferences规范性弓I用文件4HYPERLINK\l"bookmark125"\o"CurrentDocument"Termsanddefinitions术语和定义5HYPERLINK\l"bookmark156"\o"CurrentDocument"General概述10Classesofmeasurementmethods测量方法的分级10Organizationofthemeasurements测量的结构11Electricalvaluestobemeasured被测的电气值12Measurementaggregationovertimeintervals在时间间隔内的测量集合12Measurementaggregationalgorithm测量集合算法13Requirements要求13150/180cycleaggregation150/180周期集合1310minaggregation10分钟集合132houraggregation2小时集合16Realtimeclock(RTC)uncertainty实时时钟(RTC)不确定度16Flaggingconcept标记的概念17HYPERLINK\l"bookmark212"\o"CurrentDocument"Powerqualityparameters电能质量参数17Powerfrequency频率17Measurementmethod测量方法17Measurementuncertaintyandmeasuringrange桃U量不确定度和桃Hl范围18Measurementevaluation测量评估18Aggregation集合18Magnitudeofthesupplyvoltage电压幅值19Measurementmethod测量方法19Measurementuncertaintyandmeasuringrange桃U量不确定度和桃Hl范围19Measurementevaluation测量评估19Aggregation集合19Flicker闪变19Measurementmethod测量方法19Measurementuncertaintyandmeasuringrange桃U量不确定度和桃Hl范围20Measurementevaluation测量评估20Aggregation集合20Supplyvoltagedipsandswells电压骤降和骤升21Measurementmethod测量方法21Detectionandevaluationofavoltagedip电压骤降的检测和评估21Detectionandevaluationofavoltageswell电压骤升的检测和评估22Calculationofaslidingreferencevoltage滑动参考电压的计算23Measurementuncertaintyandmeasuringrange桃U量不确定度和桃Hl范围23Aggregation24Voltageinterruptions电压中断24Measurementmethod测量方法24Evaluationofavoltageinterruption电压中断的评估24Measurementuncertaintyandmeasuringrange桃U量不确定度和桃Hl范围25Aggregation集合25Transientvoltages瞬态电压25Supplyvoltageunbalance电压不平衡25Measurementmethod测量方法25Measurementuncertaintyandmeasuringrange桃U量不确定度和桃Hl范围26Measurementevaluation测量评估26Aggregation集合27Voltageharmonics电压谐波27Measurementmethod测量方法27Measurementuncertaintyandmeasuringrange桃U量不确定度和桃Hl范围27Measurementevaluation测量评估28Aggregation集合28Voltageinterharmonics电压间谐波28Measurementmethod测量方法28Measurementuncertaintyandmeasuringrange桃U量不确定度和桃Hl范围28Measurementevaluation测量评估28Aggregation集合29Mainssignallingvoltageonthesupplyvoltage输入电压上的附加信号电压29Measurementmethod测量方法29Measurementuncertaintyandmeasuringrange测量不确定度和测量范围29Measurementevaluation测量范围30Aggregation集合30RapidVoltageChanges(RVC)快速电压变动(RVC)30Measurementofunderdeviationandoverdeviationparameters下偏差和上偏差参数的测量30Measurementmethod测量方法30Measurementuncertaintyandmeasuringrange桃U量不确定度和桃U量范围31Aggregation集合31HYPERLINK\l"bookmark296"\o"CurrentDocument"Rangeofinfluencequantitiesandsteady-stateverification影响量的范围和稳态校验31Rangeofinfluencequantities影响量的范围31Steady-stateperformanceverification稳态性能校验33附录A36附录B52附录C66HYPERLINK\l"bookmark736"\o"CurrentDocument"Bibliography参考文献70IEC61000-4-30Ed.22008PAGE\*MERGEFORMAT#IEC61000-4-30Ed.22008PAGE\*MERGEFORMAT#INTERNATIONALELECTROTECHNICALCOMMISSION国际电工委员会ELECTROMAGNETICCOMPATIBILITY(EMC)电磁兼容—Part4-30:Testingandmeasurementtechniques-Powerqualitymeasurementmethods第4-30部分:试验和测量技术-电能质量测量方法FOREWORD前言TheInternationalElectrotechnicalCommission(IEC)isaworldwideorganizationforstandardizationcomprisingallnationalelectrotechnicalcommittees(IECNationalCommittees).TheobjectofIECistopromoteinternationalco-operationonallquestionsconcerningstandardizationintheelectricalandelectronicfields.Tothisendandinadditiontootheractivities,IECpublishesInternationalStandards,TechnicalSpecifications,TechnicalReports,PubliclyAvailableSpecifications(PAS)andGuides(hereafterreferredtoasIECPublication(s)').Theirpreparationisentrustedtotechnicalcommittees;anyIECNationalCommitteeinterestedinthesubjectdealtwithmayparticipateinthispreparatorywork.International,governmentalandnongovernmentalorganizationsliaisingwiththeIECalsoparticipateinthispreparation.IECcollaboratescloselywiththeInternationalOrganizationforStandardization(ISO)inaccordancewithconditionsdeterminedbyagreementbetweenthetwoorganizations.国际电工委员会(IEC)是由各国电工委员会(IEC国家委员会)组成的世界性标准化组织,IEC的任务是促进电工电子领域内各种标准化问题的国际合作。为此,除了组织其他活动外,还出版各种国际标准,把IEC的国际标准委托给技术委员会制定,任何对所讨论问题感兴趣的IEC国家委员会可以参加这个制定工作。同IEC建立联系的国际组织、政府组织和非政府组织也可参加这一制定工作,IEC按照它与国际标准化组织(ISO)达成的 协议 离婚协议模板下载合伙人协议 下载渠道分销协议免费下载敬业协议下载授课协议下载 所规定的条件与其密切合作。TheformaldecisionsoragreementsofIEContechnicalmattersexpress,asnearlyaspossible,aninternationalconsensusofopinionontherelevantsubjectssinceeachtechnicalcommitteehasrepresentationfromallinterestedIECNationalCommittees.IEC关于技术问题的正式决议或协议,是由来自对该问题感兴趣的国家委员会代 关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf 参加的技术委员会制定的,并尽可能准确地表达了国际上对该问题的一致意见。IECPublicationshavetheformofrecommendationsforinternationaluseandareacceptedbyIECNationalCommitteesinthatsense.WhileallreasonableeffortsaremadetoensurethatthetechnicalcontentofIECPublicationsisaccurate,IECcannotbeheldresponsibleforthewayinwhichtheyareusedorforanymisinterpretationbyanyenduser.IEC出版物以推荐方式供国际使用,并在此意义上为各国家委员会所接受。IEC尽最大努力以保证出版物的技术内容的正确性,但对它们的使用方式,或任何最终用户的各种误解不承担责任。Inordertopromoteinternationaluniformity,IECNationalCommitteesundertaketoapplyIECPublicationstransparentlytothemaximumextentpossibleintheirnationalandregionalpublications.AnydivergencebetweenanyIECPublicationandthecorrespondingnationalorregionalpublicationshallbeclearlyindicatedinthelatter.为了促进国际上的统一,IEC国家委员会承诺在其国家标准或区域性标准里尽可能忠实地采用IEC国际标准,IEC标准与相应国家标准或区域性标准之间有不一致之处,应尽可能在国家标准或区域性标准中明确指出。IECprovidesnomarkingproceduretoindicateitsapprovalandcannotberenderedresponsibleforanyequipmentdeclaredtobeinconformitywithanIECPublication.IEC不提供任何表明其获得批准的认证手续,并且又t任何宣称符合某IEC出版物的设备不承担责任。Allusersshouldensurethattheyhavethelatesteditionofthispublication.所有的用户应确保使用本出版物的最新版本。NoliabilityshallattachtoIECoritsdirectors,employees,servantsoragentsincludingindividualexpertsandmembersofitstechnicalcommitteesandIECNationalCommitteesforanypersonalinjury,propertydamageorotherdamageofanynaturewhatsoever,whetherdirectorindirect,orforcosts(includinglegalfees)andexpensesarisingoutofthepublication,useof,orrelianceupon,thisIECPublicationoranyotherIECPublications.IEC对由此标准或其它IEC标准的发布、使用或信赖而引发的任何直接或间接的人身伤亡、财产损失或其它损失、成本或费用(含法律费用),IEC或它的总干事、职员、雇员和各机构(含IEC技术委员会和IEC国家委员会的成员和专家个人)不负任何责任。AttentionisdrawntotheNormativereferencescitedinthispublication.Useofthereferencedpublicationsisindispensableforthecorrectapplicationofthispublication.请留意本出版物弓I用的规范性文件,参照这些引用出版物对正确使用本出版物是必不可少的。AttentionisdrawntothepossibilitythatsomeoftheelementsofthisIECPublicationmaybethesubjectofpatentrights.IECshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.请留意本IEC出版物的某些成分可能受专利权保护的可能性,IEC对鉴定任意或全部这些专利权不承担责任。InternationalStandardIEC61000-4-30hasbeenpreparedbysubcommittee77A:Lowfrequencyphenomena,ofIECtechnicalcommittee77:Electromagneticcompatibility.国际标准IEC61000-4-30由IEC第77技术委员会(电磁兼容)的第77A分委会(低频现象)制定。Thisstandardformspart4-30ofIEC61000.IthasthestatusofabasicEMCpublicationinaccordancewithIECGuide107.本标准构成了IEC61000的第4-30部分,它是基于IEC107导则的基础EMC出版物的一部分。Thissecondeditioncancelsandreplacesthefirsteditionpublishedin2003.Thiseditionincludesthefollowingsignificanttechnicalchangeswithrespecttothepreviousedition.本标准第二版取7肖并替代2003年出版的第一版,与上一版相比,本版包括下列主要的技术改动:Adjustments,clarifications,andcorrectionstoclassAandclassBmeasurementmethods.调整、解释并修订了A级和B级测量方法。Anewcategory,classS,intendedforsurveyinstruments,hasbeenadded.增力口了——个新的级另1:S级,适用于调查仪器。AnewAnnexCgivesguidanceoninstruments.新的附录C提供了仪器导则。Thetextofthisstandardisbasedonthefollowingdocuments:本标准的内容基于下歹U文件:FDISReportonvoting投票表决报告77A/660/FDIS77A/666/RVDFullinformationonthevotingfortheapprovalofthisstandardcanbefoundinthereportonvotingindicatedintheabovetable.有关此标准投票表决的全部信息可参阅上表中给出的投票表决报告。ThispublicationhasbeendraftedinaccordancewiththeISO/IECDirectives,Part2.此标准系根据ISO/IEC的指令第二部分起草。AlistofallpartsoftheIEC61000series,underthegeneraltitleElectromagneticcompatibility(EMC),canbefoundontheIECwebsite.在综合主题电磁兼容性(EMC)下的IEC61000系列的所有部分的列表,可在IEC网站上找到。ThecommitteehasdecidedthatthecontentsofthispublicationwillremainunchangeduntilthemaintenanceresultdateindicatedontheIECwebsiteunder"HYPERLINK"http://webstore.iec.ch"http://webstore.iec.ch"inthedatarelatedtothespecificpublication.Atthisdate,thepublicationwillbe技术委员会已决定本标准的内容将维持不变至IEC网站"HYPERLINK"http://webstore.iec.ch"http://webstore.iec.ch"上标明的下一次修改完成日期。在目前本标准将reconfirmed,再审核withdrawn,撤销replacedbyarevisededition,or由彳修订版替换,或amended.局部修订INTRODUCTION概述IEC61000ispublishedinseparatepartsaccordingtothefollowingstructure:IEC61000按照下列结构,以独立的部分出版:General第一部分:总论Generalconsiderations(introduction,fundamentalprinciples)总贝1(介绍、基本原贝1)Definitions,terminology定义、术语Environment第二部分:环境Descriptionoftheenvironment环境描述Classificationoftheenvironment环境分类Compatibilitylevels兼容水平Limits第三部分:限值Emissionlimits发射限值Immunitylimits(insofarastheydonotfallundertheresponsibilityoftheproductcommittees)抗扰限值(至今为止它们还没有归入产品委员会的职责范围中)Testingandmeasurementtechniques第四部分:试验和测量技术Measurementtechniques测量技术Testingtechniques试验技术Installationandmitigationguidelines第五部分:安装和抑制导则Installationguidelines安装导贝1Mitigationmethodsanddevices抑制方法和装置Genericstandards第六部分:通用标准Part9:Miscellaneous第九部分:其它Eachpartisfurthersubdividedintoseveralparts,publishedeitherasInternationalStandardsorasTechnicalSpecificationsorTechnicalReports,someofwhichhavealreadybeenpublishedassections.Otherswillbepublishedwiththepartnumberfollowedbyadashandcompletedbyasecondnumberidentifyingthesubdivision(example:IEC61000-6-1).每个部分进一步再分为几个小部分,以国际标准、技术规范或技术报告方式出版,部分已经以章节方式出版,其它部分将采用编号后缀横杠和第二个子部分识别编号的方式出版(例如:IEC61000-6-1)oELECTROMAGNETICCOMPATIBILITY(EMC)-电磁兼容(EMC)Part4-30:Testingandmeasurementtechniques-第4-30部分:试验和测量技术Powerqualitymeasurementmethods电能质量测量方法Scope范围ThispartofIEC61000-4definesthemethodsformeasurementandinterpretationofresultsforpowerqualityparametersin50/60Hza.c.powersupplysystems.IEC61000-4的这部分规定了50/60Hz交流电力系统中的电能质量参数的测量方法和结果 分析 定性数据统计分析pdf销售业绩分析模板建筑结构震害分析销售进度分析表京东商城竞争战略分析 。Measurementmethodsaredescribedforeachrelevantparameterintermsthatgivereliableandrepeatableresults,regardlessofthemethod'simplementation.Thisstandardaddressesmeasurementmethodsforinsitumeasurements.标准按照可信的和可重复的观点,描述了每个相关参数的测量方法,不考虑方法的实现。本标准描述的测量方法适用于现场测量。Measurementofparameterscoveredbythisstandardislimitedtovoltagephenomenathatcanbeconductedinapowersystem.Thepowerqualityparametersconsideredinthisstandardarepowerfrequency,magnitudeofthesupplyvoltage,flicker,supplyvoltagedipsandswells,voltageinterruptions,transientvoltages,supplyvoltageunbalance,voltageharmonicsandinterharmonics,mainssignallingonthesupplyvoltageandrapidvoltagechanges.Dependingonthepurposeofthemeasurement,allorasubsetofthephenomenaonthislistmaybemeasured.本标准涉及的参数的测量仅限于可在电力系统中传播的电压现象。在本标准中考虑的电能质量参数是频率、电压幅值、闪变、电压骤降和骤升、电压中断、瞬态、电压不平衡、电压谐波和间谐波、电压上的附加信号和快速电压变化。根据测量的目的,可以测量上述列出的全部现象或其子集。NOTE1InformationaboutcurrentparametersmaybefoundinA.3andA.5.注1:关于电流参数的信息可参考A.3和A.5。Thisstandardgivesmeasurementmethodsandappropriateperformancerequirements,butdoesnotsetthresholds.本标准给出了测量方法和合适的性能要求,但不设置阈值。Theeffectsoftransducersinsertedbetweenthepowersystemandtheinstrumentareacknowledgedbutnotaddressedindetailinthisstandard.Precautionsoninstallingmonitorsonlivecircuitsareaddressed.附加在电力系统和仪器之间的互感器的影响是众所周知的,但在本标准中未作详细描述,说明了关于安装在带点电路中的监测仪的预防。NOTE2SomeguidanceabouteffectsoftransducersmaybefoundinIEC61557-12.注2:关于互感器的影响的导则可参考IEC61557-12oNormativereferences规范性引用文件Thefollowingreferenceddocumentsareindispensablefortheapplicationofthisdocument.Fordatedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)applies.下列引用的文件对本标准的使用是不可或缺的。对于标有日期的引用文件,只适用于所引用的版本;对于无日期的引用文件,适用于引用文件的最新版本(包括任意修订)。IEC60050-161,InternationalElectrotechnicalVocabulary(IEV)Chapter161:ElectromagneticcompatibilityIEC60050-161国际电工词汇(IEV)-第161章:电磁兼容IEC61000-2-2:2002,Electromagneticcompatibility(EMC)Part2-2:EnvironmentCompatibilitylevelsforlow-frequencyconducteddisturbancesandsignallinginpubliclowvoltagepowersupplysystemsIEC61000-2-2:2002电磁兼容(EMC)-第2-2部分:环境-公用低压电力系统中的低频传导干扰和信号的兼容水平IEC61000-2-4,Electromagneticcompatibility(EMC)Part2-4:EnvironmentCompatibilitylevelsinindustrialplantsforlow-frequencyconducteddisturbancesIEC61000-2-4电磁兼容(EMC)-第2-4部分:环境-工业现场中的低频传导干扰兼容水平IEC61000-4-30Ed.22008PAGE\*MERGEFORMAT#IEC61000-4-30Ed.22008PAGE\*MERGEFORMAT#IEC61000-3-8,Electromagneticcompatibility(EMC)Part3:LimitsSection8:Signallingonlow-voltageelectricalinstallationsEmissionlevels,frequencybandsandelectromagneticdisturbancelevelsIEC61000-3-8电磁兼容(EMC)—第3部分:限值-第8章:低压电气设施上的信号传输发射电平、频带和电磁干扰水平IEC61000-4-4:2004,Electromagneticcompatibility(EMC)Part4-4:TestingandmeasurementtechniquesElectricalfasttransient/burstimmunitytestIEC61000-4-7:2004电磁兼容(EMC)—第4-4部分:试验和测量技术-电快速瞬变/脉冲群抗扰度试验IEC61000-4-7:2002,Electromagneticcompatibility(EMC)Part4-7:TestingandmeasurementtechniquesGeneralguideonharmonicsandinterharmonicsmeasurementsandinstrumentation,forpowersupplysystemsandequipmentconnectedtheretoIEC61000-4-7:2002电磁兼容(EMC)—第4-7部分:试验和测量技术-电力系统及其相连设备的谐波和间谐波测量和仪器通用导则Amendment1(2008)修订1(2008)IEC61000-4-15,Electromagneticcompatibility(EMC)Part4:TestingandmeasurementtechniquesSection15:FlickermeterFunctionalanddesignspecificationsIEC61000-4-15电磁兼容(EMC)-第4部分:试验和测量技术-第15章:闪变仪-功能和设计规范IEC61180(allparts),High-voltagetesttechniquesforlowvoltageequipmentIEC61180(全部)低压设备的高压试验技术Termsanddefinitions术语和定义Forthepurposeofthisdocument,thedefinitionsofIEC60050-161,aswellasthefollowing,apply.IEC60050-161以及下列定义均适用于本标准。channel通道individualmeasurementpaththroughaninstrument仪器上的单个测量回路NOTEChannel”andphase”arenotthesame.Avoltagechannelisbydefinitionthedifferenceinpotentialbetween2conductors.Phasereferstoasingleconductor.Onpolyphasesystems,achannelmaybebetween2phases,orbetweenaphaseandneutral,orbetweenaphaseandearth,orbetweenneutralandearth.注:“通道”和“相”是不一样的。一个电压通道是用两个导体之间的电位差来定义的。相则是指单个导体。在多相系统中,一个通道可以是两相之间,或相对中性线之间,或相对地之间,或中性线对地之间。CoordinatedUniversalTime协调世界时UTCtimescalewhichformsthebasisofacoordinatedradiodisseminationofstandardfrequenciesandtimesignals.Itcorrespondsexactlyinratewithinternationalatomictime,butdiffersfromitbyanintegralnumberofseconds.构成标准频率和时间信号的协调无线电发播的基础时间尺度。它严格符合国际原子钟时间,但可作一个整数秒的调整。NOTE1CoordinateduniversaltimeisestablishedbytheInternationalBureauofWeightsandMeasures(BIPM)andtheInternationalEarthRotationService(IERS).注1:协调世界时由国际计量局(BIPM)和国际地球自转服务(IERS)建立,NOTE2TheUTCscaleisadjustedbytheinsertionordeletionofseconds,socalledpositiveornegativeleapseconds,toensureapproximateagreementwithUT1.注1:UTC系统采用增加或减少一秒来调整,称为正闰秒或负闰秒,以保证其接近世界时UT1o[IEV713-05-20]declaredinputvoltage设定输入电压Udinvalueobtainedfromthedeclaredsupplyvoltagebyatransducerratio通过一个互感器变比获得的标称输入电压的数值declaredsupplyvoltage标称输入电压UcdeclaredsupplyvoltageUcisnormallythenominalvoltageUnofthesystem.If,byagreementbetweenthesupplierandthecustomer,avoltagedifferentfromthenominalvoltageisappliedtotheterminal,thenthisvoltageisthedeclaredsupplyvoltageUc标称输入电压Uc通常是系统的额定电压Un。如果根据供电方和用户之间的协议,加到端子上的电压不同于额定电压,那么这个电压为标称输入电压Uc。dipthreshold骤降阈值voltagemagnitudespecifiedforthepurposeofdetectingthestartandtheendofavoltagedip规定用于判断电压骤降开始和结束的电压幅值flaggeddata标记数据datathathasbeenmarkedtoindicatethatitsmeasurementoritsaggregationmayhavebeenaffectedbyinterruptions,dips,orswells已做标志的数据,表明其测量或集合可能已受到电压中断、骤降或骤升的影响NOTEFlaggingenablesothermethodsthatmaypreventasingleeventfrombeingcountedasseveraldifferenttypesofevents.Flaggingissupplementalinformationaboutameasurementoraggregation.Flaggeddataisnotremovedfromthedataset.Insomeapplications,flaggeddatamaybeexcludedfromfurtheranalysisbutinotherapplications,thefactthatdatawasflaggedmaybeunimportant.Theuser,application,regulation,orotherstandardsdeterminetheuseofflaggeddata.See4.7forfurtherexplanation.注:标记是防止一个单个的事件被算作几种不同类型的事件的方法。标记是测量或集合的补充信息,被标记的数据并不从数据组中删除。在某些应用中,标记的数据可能不做进一步的分析,但在其它应用中,被标记的数据可能并不重要。用户、应用、规章或其它标准可以确定标记的数据的使用。进一步的说明请参考4.7。flicker闪变impressionofunsteadinessofvisualsensationinducedbyalightstimuluswhoseluminanceorspectraldistributionfluctuateswithtime亮度或光谱分布随时间波动的灯光刺激引起的视觉的不稳定感[IEV161-08-13]3.8fundamentalcomponent基波分量componentwhosefrequencyisthefundamentalfrequency频率为基波频率的成分[IEV101-14-49,modified][IEV101-14-49,修订]fundamentalfrequency基波频率frequencyinthespectrumobtainedfromaFouriertransformofatimefunction,towhichallthefrequenciesofthespectrumarereferred由时间函数的傅立叶变换获得的频谱中的基础频率,是频谱中其它所有频率的基准值[IEV101-14-50,modified][IEV101-14-50,修订]NOTEIncaseofanyremainingriskofambiguity,thefundamentalfrequencymaybederivedfromthenumberofpolesandspeedofrotationofthesynchronousgenerator(s)feedingthesystem.注:为防止各种可能的模糊的风险,基波频率也可以根据接入系统的同步发电机的极数和转速得出。3.10harmoniccomponent谐波分量anyofthecomponentshavingaharmonicfrequency具有谐波频率的任——分量[IEC61000-2-2:2002,3.2.4,modified][IEC61000-2-2:2002,3.2.4,修订〕NOTEItsvalueisnormallyexpressedasanr.m.s.value.Forbrevity,suchcomponentmaybereferredtosimplyasaharmonic.注:其数值通常以有效值表示。出于简化的目的,这些分量可能被简称为谐波。3.11harmonicfrequency谐波频率frequencywhichisanintegermultipleofthefundamentalfrequency基波频率的整数倍的频率NOTETheratiooftheharmonicfrequencytothefundamentalfrequencyistheharmonicorder(notation:h).注:谐波频率对基波频率的比值是谐波次数(符号:h)o3.12hysteresis滞环differenceinmagnitudebetweenthestartandendthresholds起始和结束阈值之间的幅值差NOTE1ThisdefinitionofhysteresisisrelevanttoPowerQuality(PQ)measurementparametersandisdifferentfromtheIEVdefinitionwhichisrelevanttoironcoresaturation.注1:这个滞环的定义是和电能质量(PQ)测量参数相关的,不同于IEV和铁芯饱和有关的定义。NOTE2ThepurposeofhysteresisinthecontextofPQmeasurementsistoavoidcountingmultipleeventswhenthemagnitudeoftheparameteroscillatesaboutthethresholdlevel.注2:在电能质
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