标准资料网-标准资料免费资源平台

【英文标准名称】:Electricitymetering-Paymentssystems-Part31:Particularrequirements-Staticpaymentmetersforactiveenergy(classes1and2)
【原文标准名称】:电表.付费系统.第31部分:特殊要求.电度表用固定付费系统(1和2类)
【标准号】:BSEN62055-31-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2006-01-30
【实施或试行日期】:2006-01-30
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:空气断路器;计数器;电流表;电流;数据通信;数据处理;数据存储;定义;交付;电性质和电现象;电学;电度表;财务事项;电气连接器的接口;中断;能耗测量;实功率电镀表;支付;断路开关
【英文主题词】:
【摘要】:ThispartofIEC62055appliestonewlymanufactured,staticwatt-hourpaymentmetersofaccuracyclasses1and2fordirectconnection,forthemeasurementofalternatingcurrentelectricalenergyconsumptionofafrequencyintherange45Hzto65Hzthatincludealoadswitchforthepurposeofinterruptionorrestorationoftheelectricitysupplytotheloadinaccordancewiththecurrentvalueoftheavailablecreditmaintainedinthepaymentmeter.Itdoesnotapplytostaticwatt-hourpaymentmeterswherethevoltageacrosstheconnectionterminalsexceeds600V(line-to-linevoltageformetersforpolyphasesystems).Itappliestopaymentmetersforindoorapplicationonly,wherethepaymentmetershallbemountedasfornormalservice(i.e.togetherwithaspecifiedmatchingsocketwhereapplicable).Paymentmetersareimplementationswhereallthemainfunctionalelementsareincorporatedinasingleenclosure,togetherwithanyspecifiedmatchingsocket.Therearealsomulti-partinstallationswherethevariousmainfunctionalelements,suchasthemeasuringelement,theuserinterfaceunit,tokencarrierinterface,andtheloadswitchareimplementedinmorethanoneenclosure,involvingadditionalinterfaces.ThispartofIEC62055doesnotapplytomultipartpaymentmeteringinstallations.FunctionalrequirementsthatapplytopaymentmetersarealsodefinedinthispartofIEC62055,andincludeinformativebasicfunctionalrequirementsandtestsfortheprepaymentmodeofoperationinAnnexA.Allowancesaremadefortherelativelywiderangeoffeatures,options,alternatives,andimplementationsthatmaybefoundinpractice.Thediversenatureandfunctionalityofpaymentmeterspreventthecomprehensivespecificationofdetailedtestmethodsforalloftheserequirements.However,inthiscase,therequirementsarestatedinsuchawaythattestscanthenbeformulatedtorespectandvalidatethespecificfunctionalityofthepaymentmeterbeingtested.ThispartofIEC62055doesnotcoverspecificfunctionalityorperformancerequirementsforsafety,circuitprotection,isolationorsimilarpurposesthatmaybespecifiedthroughreferencetootherspecificationsorstandards.ThispartofIEC62055doesnotcoversoftwarerequirements.SoftwarerequirementsforbasicenergymetermetrologyareunderconsiderationfortheIEC62059seriesofstandards,andinotherorganisations.ThispartofIEC62055coverstype-testingrequirementsonly.Foracceptancetesting,theconceptsgiveninIEC61358maybeusedasabasicguideline.DependabilityaspectsareaddressedintheIEC62059seriesofstandards.ThispartofIEC62055doesnotcoverconformitytestsandsystemcomplianceteststhatmayberequiredinconnectionwithlegalorotherrequirementsofsomemarkets.
【中国标准分类号】:N22
【国际标准分类号】:91_140_50
【页数】:66P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforMeasurementofWeb/RollerFrictionCharacteristics
【原文标准名称】:测量卷材/滚柱摩擦特性的标准试验方法
【标准号】:ASTMG143-2003(2004)
【标准状态】:现行
【国别】:
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:G02.50
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:测量;滚柱;摩擦特性;摩擦;试验方法
【英文主题词】:coefficientoffriction;elastomers;frictionplasticsheet;frictiontesting;papers;rollers;rubber;web/rollercouple
【摘要】:Thistestmethodisintendedtosimulatetheslipofaflexiblewebonarollerinamachineortribosystemthatconveyswebmaterials.Flexiblewebssuchasplasticsheeting,paper,elastomers,metalfoils,andclothareoftentransportedinmanufacturingprocessesbycombinationsofdrivingandidlerrollers.Thefrictioncharacteristicsoftheweb/rollerinterfaceoftenaffectsthewebtransportprocess.Iftheweb/rollerfrictionistoolow,thewebcanslipontherollersandbedamagedordamagetheroller.Highfrictionontheotherhand,canleadtosteeringproblemsandoverloadingofdrivingmotors.Thistestmethodcanbeusedtorankrollersfortheirabilitytoresistslipversusaparticularwebmaterial(highfriction).Converselythistestmethodcanassesswebmaterialsorwebsurfacecoatingssuchaswaxesandlubricants.Inthislattercase,thegoalmaybealow-frictionproductmadefromaweb(film,magneticmedia,paper,andsoforth).Ifatribosysteminvolvestransportofaflexiblewebonaroller,thisisanappropriatetesttousetomeasurethefrictioncharacteristicsoftheroller/webcouple.1.1Thistestmethodcoversthesimulationofaroller/webtransporttribosystemandthemeasurementofthestaticandkineticcoefficientoffrictionoftheweb/rollercouplewhenslidingoccursbetweenthetwo.Theobjectiveofthistestmethodistoprovideuserswithweb/rollerfrictioninformationthatcanbeusedforprocesscontrol,designcalculations,andforanyotherfunctionwhereweb/rollerfrictionneedstobeknown.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H46
【国际标准分类号】:
【页数】:8P.;A4
【正文语种】: