JB/T 8265.1-1999 缩微阅读复印机检验片A3
时间:2024-05-18 14:38:54 来源: 标准资料网 作者:标准资料网 阅读:9420
基本信息
标准名称: | 缩微阅读复印机检验片A3 |
英文名称: | Test chart A3 for micrographics - reader/printers |
中标分类: |
仪器、仪表 >>
电影、照相、缩微、复印设备 >>
测试设备与检验片仪器 |
替代情况: | JB 8265.1-1995(原标准号GB 10245-88) |
发布日期: | 1999-08-06 |
实施日期: | 2000-01-01 |
首发日期: | |
作废日期: | 2011-08-15 |
归口单位: | 全国缩微摄影标委会 |
出版日期: | |
页数: | 5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: 仪器 仪表 电影 照相 缩微 复印设备 测试设备与检验片仪器
【英文标准名称】:StandardforSafetyforSupplementaryProtectorsforUseinElectricalEquipment
【原文标准名称】:电气设备用辅助保护器用安全标准
【标准号】:ANSI/UL1077-2008
【标准状态】:作废
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:附加装置;辅助的;电器;电气设备;过电流保护装置;过电压保护装置;保护装置;低电压保护
【英文主题词】:Additionaldevices;Auxiliary;Electricappliances;Electricalequipment;Overcurrentprotection;Overvoltageprotection;Protectivedevices;Undervoltageprotection
【摘要】:SubstantivechangesonUL1077ProposaldatedJune8,2007.
【中国标准分类号】:K31
【国际标准分类号】:29_120_50
【页数】:
【正文语种】:英语
【英文标准名称】:Switchgear-UnitSubstations-Requirements
【原文标准名称】:开关设备.成套变电所.要求
【标准号】:ANSIC37.121-1989
【标准状态】:作废
【国别】:美国
【发布日期】:1989
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:变压器站;开关设备
【英文主题词】:Switchgear;Transformerposts
【摘要】:Thisstandardcoverstherequirementsforthree-phaseunitsubstationsforstep-downoperationintherangeof112.5kVAthrough10000kVAatprimaryvoltagesof601voltsthrough38kilovolts.Thestandardisintendedforuseasthebasisforthecoordinationofequipmentbyassistingintheselectionofcomponents.Avarietyofdesignsforunitsubstationsarepossibleusingvariouscombinationsofincomingsections,transformersections,outgoingsections,andtransition(throat)sections.SincethetransformersectiondeterminesthekVAandvoltagecapabilitiesofaunitsubstation,theratingsofthevarioustypesofunitsubstationsaredescribedintermsoftransformercapability.Thisstandarddoesnotcoverthefollowinginstallations:1)Substationsinwhichthetransformersectionincludesload-tap-changingequipment2)Substationsinwhichthetransformersectionisdescribedanddefinedas“network,”“subway,”“vault,”or“underground”inAmericanNationalStandardsC57.12.24-1989,C57.12.40-1982,andC57.12.57-198713)Substationsinwhichthetransformersectionisdescribedanddefinedas“pad-mounted”inAmericanNationalStandardsC57.12.22-1989,C57.12.26-1987,andC57.12.2714)Substationswithgas-insulatedequipment,suchassubstationsinsulatedwithSF6,describedinANSI/IEEEC37.122-198915)Rectifier-typesubstations6)Mobilesubstations7)Installationsinships,watercraft,railwayrollingstock,aircraft,orautomotivevehiclesotherthanmobilehomesandrecreationalvehicles8)Installationsformines9)Installationsofrailwaysforgeneration,transformation,transmission,ordistributionofpowerusedexclusivelyforoperationofrollingstock,orforinstallationsusedexclusivelyforsignalingandrailwaycommunicationpurposes.10)Installationsofcommunicationequipmentthatisundertheexclusivecontrolofcommunicationutilities,locatedoutdoorsorinbuildingspacesusedexclusivelyforsuchinstallations.11)Installationsundertheexclusivecontrolofelectricutilitiesforthepurposeofcommunication,ormetering;orforthegeneration,control,transformation,transmission,anddistributionofelectricenergylocatedinbuildingsusedexclusivelybyutilitiesforsuchpurposesorlocatedoutdoorsonpropertyownedorleasedbytheutilityoronpublichighways,streets,roads,etc;oroutdoorsbyestablishedrightsonprivateproperty.Itisintendedthattheincoming,outgoing,transformer,andtransitionsectionsincludedinaunitsubstationshallmeetthebasicrequirementsofapplicableindustrystandardsforthosesections.Inaddition,thesesectionsshallmeetanyadditionalrequirementsimposedbythisstandardwhentheyareusedaspartofaunitsubstation.
【中国标准分类号】:K43
【国际标准分类号】:29_130_10
【页数】:29P.;A4
【正文语种】:英语