【英文标准名称】:Electricalrelays-Part22-5:Electricaldisturbancetestsformeasuringrelaysandprotectionequipment;Surgeimmunitytest
【原文标准名称】:继电器.第22-5部分:测量继电器和保护设备的电干扰试验.电流浪涌免疫性试验
【标准号】:IEC60255-22-5-2002
【标准状态】:作废
【国别】:国际
【发布日期】:2002-04
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC95
【标准类型】:()
【标准水平】:()
【中文主题词】:规范(验收);定义;定义;检验;脉冲电压试验;测量继电器;试验;静电学;量值继电器;电气保护设备;继电器;电磁干扰;保护继电器;保护设备;电气工程;影响量;干扰抑制;防电击;放电;电磁场;电磁场
【英文主题词】:Definition;Definitions;Discharge;Electricalengineering;Electricalprotectionequipment;Electromagneticfield;Electromagneticfields;Electromagneticinterferences;Electrostatics;Impulse-voltagetests;Influencequantities;Inspection;Interferencerejections;Measuringrelays;Protectionagainstelectricshocks;Protectiondevices;Protectiverelays;Relays;Specification(approval);Testing
【摘要】:ThisstandardisbasedonIEC61000-4-5,referringtothatpublicationwhereapplicable,andspecifiesthegeneralrequirementsforsurgetestsformeasuringrelaysandprotectionequipmentforpowersystemprotection,includingthecontrol,monitoringandprocessinterfaceequipmentusedwiththosesystems.Theobjectiveofthetestsistoconfirmthattheequipmentundertestwilloperatecorrectlywhenenergizedandsubjectedtohigh-energydisturbancesonthepowerandinterconnectionlines,causedbysurgevoltagesfromswitchingandlightningeffects.Thisstandarddoesnotintendtotestthecapabilityoftheinsulationtowithstandhigh-voltagestress.TheinsulationtestiscoveredbyIEC60255-5.Therequirementsspecifiedinthisstandardareapplicabletomeasuringrelaysandprotectionequipmentinanewconditionandalltestsspecifiedaretypetestsonly.Theobjectofthisstandardistodefinethe:·termsused;·testseveritylevels;·testequipment;·testset-up;·testprocedures;·criteriaforacceptance;·testreport.
【中国标准分类号】:L25
【国际标准分类号】:29_120_70
【页数】:31P;A4
【正文语种】:英语


【英文标准名称】:Plainwashers-Largeseries-Part1:ProductgradeA
【原文标准名称】:平垫圈大系列第1部分:产品等级A级
【标准号】:ISO7093-1-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-06
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC2
【标准类型】:()
【标准水平】:()
【中文主题词】:特性;尺寸;公差(测量);紧固件;规范(验收);规范;交货条件;产品等级;可拆零件;垫圈;名称与符号;验收规范;浅
【英文主题词】:Acceptancespecification;Deliveryconditions;Designations;Dimensions;Fasteners;Productgrades;Properties;Separatingparts;Shallow;Specification(approval);Specifications;Tolerances(measurement);Washers
【摘要】:ThispartofISO7093specifiesthecharacteristicsoflarge-series,product-grade-Aplainwashersinthe200HVand300HVhardnessclassesandofnominalsizes(nominalthreaddiameters)rangingfrom3mmto36mminclusive.WashersconformingtothispartofISO7093areintendedforuseincaseswheresoftmaterialpiecesaretobeclampedorwheretherearelargeclearanceholesintheworkpiece.Nevertheless,inthelattercase,thesuitabilityofthewasherthicknessshouldbechecked.Washersofhardnessclass200HVaresuitablefor—hexagonboltsandscrewsofproductgradesAandBinpropertyclassesuptoandincluding8.8;—hexagonnutsofproductgradesAandBinpropertyclassesuptoandincluding8;—hexagonbolts,screwsandnutsofstainlesssteelofsimilarchemicalcomposition;—case-hardenedthreadrollingscrews.Washersofhardnessclass300HVaresuitablefor—hexagonboltsandscrewsofproductgradesAandBinpropertyclassesuptoandincluding10.9;—hexagonnutsofproductgradesAandBinpropertyclassesuptoandincluding10.IfdimensionsotherthanthoselistedinthispartofISO7093arerequired,theyshouldbeselectedfromthosegiveninISO887.
【中国标准分类号】:J13
【国际标准分类号】:21_060_30
【页数】:5P;A4
【正文语种】:英语