基本信息
标准名称: | 现场绝缘试验实施导则 第3部分:介质损耗因数tanδ试验 |
英文名称: | Guide for insulation test on site dielectric dissipation factor test |
中标分类: |
电工 >>
电工综合 >>
基础标准与通用方法 |
ICS分类: |
电气工程 >>
绝缘
|
替代情况: | 替代DL/T 474.3-1992 |
发布部门: | 国家发展和改革委员会 |
发布日期: | 2006-05-06 |
实施日期: | 2006-10-01 |
首发日期: | |
作废日期: | |
主管部门: | 国家发展和改革委员会 |
提出单位: | 中国电力企业联合会 |
归口单位: | 电力行业高压试验技术标准化技术委员会 |
起草单位: | 华北电力科学研究院有限责任公司 |
起草人: | 郑增泰、李明、邓春 |
出版社: | 中国电力出版社 |
出版日期: | 2006-10-01 |
页数: | 17页 |
适用范围
本标准提出了测量高压电力设备绝缘介质损耗因数tans和电容的方法,试验接线和判断标准,着重阐述现场测量的各种影响因素、可能产生的误差和减少误差的技术措施。本标准适用于发电厂、变电所现场和修理车间、试验室等条件下,测量高压电力设备绝缘的介质损耗因数tans和电容。
前言
没有内容
目录
前言........................................................24
1 范围......................................................25
2 规范性引用文件............................................25
3 测量仪器..................................................25
4 电力设备介质损耗因数tanS 的现场测试.......................27
5 现场测量的干扰影响和消除方法..............................36
引用标准
下列文件中的条款通过本标准的引用而成为本标准的条款。凡是注日期的引用文件,其随后所有的修改单(不包括勘误的内容)或修订版均不适用于本标准,然而,鼓励根据本标准达成协议的各方研究是否可使用这些文件的最新版本。凡是不注日期的引用文件,其最新版本适用于本标准。
DL/T 596 电力设备预防性试验规程
JB/T 8169-1999 祸合电容器及电容分压器
所属分类: 电工 电工综合 基础标准与通用方法 电气工程 绝缘
【英文标准名称】:StandardPracticeforDesignandConstructionofAerospaceCleanroomsandContaminationControlledAreas
【原文标准名称】:航空航天清洁舱和污染控制区的设计和建造的标准实施规程
【标准号】:ASTME2217-2002(2007)
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:E21.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:cleanroom;construction;design;spacecraft;test
【摘要】:Thispracticedescribesanddefinesfactorstobetakenintoconsiderationwhendesigningandfabricatingacleanroomorcontrolledareathatisusedforaerospaceoperationsandfabrication.Followingthesuggestionshereinshouldprovideafacilitythatismorecapableofmeetingperformancerequirementsandthatwillofferprotectionagainstcontaminationforobjectsfabricatedandprocessedinsuchafacility.1.1Thepurposeofthispracticeistoprovidedesignandconstructionguidelinesforcontaminationcontrolledfacilitiesusedintheassemblyandintegrationofaerospacehardware.Theguidelineshereinareintendedtoensurethatthefacilities,whenusedproperly,willmeetthecleanlinessrequirementsofaerospacehardwareandprocesses.Theobjectiveistolimitcontaminationduetothedepositionofparticulateandmolecularcontaminantsonflighthardwaresurfaces.1.2OnecleanlinessclassificationofafacilityistheairborneparticleconcentrationsinaccordancewithISO14644-1and14644-2.AirborneparticleconcentrationsinaccordancewithFED-STD-209Eareincludedforreference.Thissimpleclassificationisinadequatetodescribeafacilitythatwillsupporttheassemblyandintegrationofspacecraft.Theextendeddurationofhardwareexposureduringfabricationandtesting,thesensitivityofthehardwaretohydrocarbonsandothermolecularcontaminants,andthechangingrequirementsduringassemblyandintegrationmustbeconsideredinadditiontotheairborneparticleconcentrations.1.3Theguidelinesspecifiedhereinareintendedtoprovidefacilitiesthatwilleffectivelyrestrictcontaminantsfromenteringthefacility,limitcontaminationgeneratedbyandwithinthefacility,andcontinuouslyremoveairbornecontaminantsgeneratedduringnormaloperations.Someitemsofsupporthardware,suchasliftingequipment,stands,andshoecleaners,areaddressedsincetheseitemsareoftenpurchasedandinstalledwiththefacilityandmayrequireaccommodationinthedesignofthefacility.1.4Activefiltrationofmolecularcontaminants(suchashydrocarbons,silicones,andotherchemicals)isdiscussed.Suchactivefiltrationofmolecularcontaminantsmayberequiredfortheprocessingofhighlysensitiveopticaldevices,especiallyinfraredandcryogenicsensors.ControlofmicrobiologicalcontaminationisnotincludedalthoughHEPA(HighEfficiencyParticulateAir)filtrationwillprovidesomecontrolofairbornebacteria,spores,andotherviablecontaminantsthataretypicallycarriedonparticlesofsizes0.3mandlarger.Controlofradioactivecontaminationandaccommodationofveryhazardousmaterialssuchaspropellants,strongacidsorcaustics,orcarcinogensarenotaddressed.1.5Nofacilitywillcompensateforexcessivecontaminationgeneratedinsidethefacility.Inadditiontoaneffectivefacilitydesign,theusermustalsoinstitutearoutinemaintenanceprogram(seePracticeE2042)forthefacility,andpersonnelandoperationaldisciplinesthatlimitthetransferofcontaminantsthroughentrydoorsandcontaminantgenerationinsidethefacility.1.6Thispracticeonlyaddressesguidelinesforcontaminationcontrolinfacilitydesign.Itmustbeimplementedincompliancewithallmandatorygovernmentandregulatorybuildingandsafetycodes.ReferencestorelatedcleanroomstandardsandU.S.buildingcodesandstandardsmaybefoundinIEST-RP-CC012.1.7ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareprovidedforinformationonlyandarenotconsideredstandard.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:V04
【国际标准分类号】:13_040_35;49_020
【页数】:14P.;A4
【正文语种】: