JB 4255-1986 中型板式给料机
作者:标准资料网 时间:2024-05-17 20:05:10 浏览:9356
来源:标准资料网
基本信息
标准名称: | 中型板式给料机 |
中标分类: |
机械 >>
通用机械与设备 >>
仓储设备、装卸机械 |
替代情况: | 被JB/T 4255-1999代替 |
发布日期: | |
实施日期: | 2003-04-01 |
首发日期: | |
作废日期: | 2000-01-01 |
出版日期: | |
页数: | 13页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 机械 通用机械与设备 仓储设备 装卸机械
【英文标准名称】:WettingAgents
【原文标准名称】:湿润剂
【标准号】:ANSI/NFPA18-1995
【标准状态】:作废
【国别】:美国
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:C84
【国际标准分类号】:13_220_10
【页数】:
【正文语种】:英语
【英文标准名称】:Electromagneticcompatibility(EMC).Genericstandards.Emissionstandardforindustrialenvironments
【原文标准名称】:电磁兼容性(EMC).通用标准.工业环境排放标准
【标准号】:BSEN61000-6-4-2007+A1-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2007-02-28
【实施或试行日期】:2007-02-28
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Buyers;Connections;Control;Definitions;Directvoltage;Earthingconnection;Electricpowersystems;Electricalappliances;Electricalengineering;Electricalequipment;Electrically-operateddevices;Electromagneticcompatibility;Electromagnetictests;Electromagnetism;Electronicinstruments;Electronically-operateddevices;EMC;Emission;Emissionvalues;Enclosures;Equipment;Exploitation;Frequencyranges;Genericspecification;Industrial;Industrialplants;Industries;Information;Interferingemissions;Limits(mathematics);Locations;Measurement;Measurementconditions;Measuringtechniques;Noisevoltage;Operation;Radiodisturbances;Safetycomponents;Securitydevices;Signals;Specification(approval);Standards;Supplyvoltage;Telecommunications;Testingrequirements;Users
【摘要】:ThispartofIEC61000forEMCemissionrequirementsappliestoelectricalandelectronicapparatusintendedforuseinindustrialenvironmentsasdescribedbelow.Emissionrequirementsinthefrequencyrange0Hzto400GHzarecovered.Nomeasurementneedstobeperformedatfrequencieswherenorequirementisspecified.ThisgenericEMCemissionstandardisapplicableifnorelevantdedicatedproductorproductfamilyEMCemissionstandardexists.Thisstandardappliestoaapparatusintendedtobeconnectedtoapowernetworksuppliedfromahighormediumvoltagetransformerdedicatedtothesupplyofaninstallationfeedingmanufacturingorsimilarplant,andintendedtooperateinorinproximitytoindustriallocations,asdescribedbelow.Thisstandardappliesalsotoapparatus,whichisbatteryoperatedandintendedtobeusedinindustriallocations.Theenvironmentsencompassedbythisstandardareindustrial,bothindoorandoutdoor.Industriallocationsareinadditioncharacterisedbytheexistenceofoneormoreofthefollowingexamples:–industrial,scientificandmedical(ISM)1))apparatus;–heavyinductiveorcapacitiveloadsthatarefrequentlyswitched;–highcurrentsandassociatedmagneticfields.Theobjectofthisstandardistodefinetheemissiontestrequirementsforapparatusdefinedinthescopeinrelationtocontinuousandtransient,conductedandradiateddisturbances.Theemissionrequirementshavebeenselectedsoastoensurethatdisturbancesgeneratedbyapparatusoperatingnormallyinindustriallocationsdonotexceedalevelthatcouldpreventotherapparatusfromoperatingasintended.Faultconditionsofapparatusarenottakenintoaccount.Notalldisturbancephenomenahavebeenincludedfortestingpurposesinthisstandardbutonlythoseconsideredasrelevantfortheequipmentcoveredbythisstandard.Theserequirementsrepresentessentialelectromagneticcompatibilityemissionrequirements.Requirementsarespecifiedforeachportconsidered.
【中国标准分类号】:L06
【国际标准分类号】:33_100_10
【页数】:22P.;A4
【正文语种】:英语