【英文标准名称】:Soundandtelevisionbroadcastreceiversandassociatedequipment-Immunitycharacteristics-Limitsandmethodsofmeasurement
【原文标准名称】:有声和电视广播接收机及相关设备.抗扰特性.极限值和测量方法
【标准号】:BSEN55020-2002
【标准状态】:作废
【国别】:英国
【发布日期】:2002-05-21
【实施或试行日期】:2002-05-21
【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】:卫星通信;卫星接收;电视广播;数字信号;干扰抑制;声音广播接收机;测量技术;电磁兼容性;接收机;缩写;规范(验收);无线电设备;耳机联接;扬声器插座;试验;定义;电气工程;极限(数学);滤屏衰减;娱乐电子学;抗扰性;声音广播;测量;外壳;接收;无线电接收机;视频设备;广播接收机;(电网)电源;广播;电视接收机;无线电干扰
【英文主题词】:Abbreviations;Broadcastreceivers;Broadcasting;Definition;Definitions;Digitalsignals;Electricmains;Electricalengineering;Electromagneticcompatibility;EMC;Enclosures;Entertainmentelectronics;Headphoneconnection;Immunity;Interferencerejections;Interferencesuppression;Limits(mathematics);Loudspeakersocket;Measurement;Measuringtechniques;Radiodisturbances;Radioequipment;Radioreceivers;Receivers;Reception;Satellitecommunications;Satellitereception;Screeningattenuation;Soundbroadcasting;Sound-broadcastingreceivers;Specification(approval);Televisionbroadcasting;Televisionreceivers;Testing;Videoequipment
【摘要】:Thisstandardforimmunityrequirementsappliestotelevisionbroadcastreceivers,soundbroadcastreceiversandassociatedequipmentintendedforuseintheresidential,commercialandlightindustrialenvironment.Thisstandarddescribesthemethodsofmeasurementandspecifiedlimitsapplicabletosoundandtelevisionreceiversandtoassociatedequipmentwithregardtotheirimmunitycharacteristicstodisturbingsignals.Thisstandardisalsoapplicabletotheimmunityofoutdoorunitsofdirecttohome(DTH)satellitereceivingsystemsforindividualreception.NOTE1Receivingsystemsforcollectivereception,inparticularcabledistributionheadends(CommunityAntennaTelevision,CATV)andcommunityreceptionsystems(MasterAntennaTelevision,MATV)arecoveredbyIEC60728-2.NOTE2BroadcastreceiversfordigitalsignalsarecoveredbyAnnexIandAnnexJ.Immunityrequirementsaregiveninthefrequencyrange0Hzto400GHz.Radio-frequencytestsoutsidethespecifiedfrequencybandsorconcerningotherphenomenathangiveninthisstandardarenotrequired.Theobjectiveofthisstandardistodefinetheimmunitytestrequirementsforequipmentdefinedinthescopeinrelationtocontinuousandtransient,conductedandradiateddisturbancesincludingelectrostaticdischarges.Thesetestrequirementsrepresentessentialelectromagneticimmunityrequirements.Testrequirementsarespecifiedforeachport(enclosureorconnector)considered.NOTE3Thisstandarddoesnotspecifyelectricalsafetyrequirementsforequipmentsuchasprotectionagainstelectricshocks,unsafeoperation,insulationco-ordinationandrelateddielectrictests.NOTE4Inspecialcases,situationswillarisewherethelevelofdisturbancesmayexceedthelevelsspecifiedinthisstandarde.g.whereahand-heldtransmitterisusedinproximitytoanequipment.Intheseinstancesspecialmitigationmeasuresmayhavetobeemployed.Theenvironmentsencompassedbythisstandardareresidential,commercialandlight-industriallocations,bothindoorandoutdoor.Thefollowinglist,althoughnotcomprehensive,givesanindicationoflocationswhichareincluded:-residentialproperties,e.g.houses,apartments,etc.;-retailoutlets,e.g.shops,supermarkets,etc.;-businesspremises,e.g.offices,banks,etc.;-areasofpublicentertainment,e.g.cinemas,publicbars,dancehalls,etc.;-outdoorlocations,e.g.petrolstations,carparks,amusementandsportscentres,etc.;-light-industriallocationse.g.workshops,laboratories,servicecentres,etc.;-carandboat.Locationswhicharecharacterizedbytheirmainspowerbeingsupplieddirectlyatlowvoltagefromthepublicmainsareconsideredtoberesidential,commercialorlightindustrial.
【中国标准分类号】:M74
【国际标准分类号】:33_100_20
【页数】:92P.;A4
【正文语种】:英语


【英文标准名称】:TestMethodsforDeterminingtheMechanicalIntegrityofPhotovoltaicModules(Metric)
【原文标准名称】:光伏模块机械完整性测定方法(米制)
【标准号】:ANSI/ASTME1830M-2002
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【实施或试行日期】:2002-01-15
【发布单位】:美国国家标准学会(US-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】:Thesetestmethodscoverproceduresfordeterminingtheabilityofphotovoltaicmodulestowithstandthemechanicalloads,stressesanddeflectionsusedtosimulate,onanacceleratedbasis,highwindconditions,heavysnowandiceaccumulation,andnon-planarinstallationeffects.Astaticloadtestto2400Pa(50lbfft-2)isusedtosimulatewindloadsonbothmodulesurfacescorrespondingtoawindspeedof58ms-1(130mph).Astaticloadtestto5400Pa(125lbfft-2)isusedtosimulateheavysnowandiceaccumulationonthemodulefrontsurface.Atwisttestisusedtosimulatethenon-planarmountingofaphotovoltaicmodulebysubjectingittoatwistangleof1.2?(1/4in.perft).Acyclicloadtestof10000cyclesdurationandpeakloadingto1440Pa(30lbfft-2)isusedtosimulatedynamicwindorflex-typeloadingwhichmightoccurathighwayspeedsforphotovoltaicmodulesmounted,forexample,onatruck,recreationalvehicle,ortrailer.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareprovidedforinformationpurposesonly.Thesetestmethodsdefinephotovoltaictestspecimensandmountingmethods,andspecifyparametersthatmustberecordedandreported.Anyindividualmechanicaltestmaybeperformedsingly,ormaybecombinedintoatestsequencewithothermechanicalornonmechanicaltests,orboth.Certainpreconditioningtestmethodssuchasannealingorlightsoakingmayalsobenecessaryordesirableasapartofsuchasequence.However,thedeterminationofsuchtestsequencingandpreconditioningisbeyondthescopefothesetestmethods.Thesetestmethodsdonotestablishpassorfaillevels.Thedeterminationofacceptableorunacceptableresultsisbeyondthescopeofthesetestmethods.Thesetestmethodsdonotapplytoconcentratormodules.ThereisnosimilarorequivalentISOstandard.Thefollowingprecautionarycaveatpertainsonlytothehazardsportion,Section6,andthewarningstatements,7.5.3.2and7.6.3.3,ofthesetestmethods.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeSection6foradditionalprecautionaryinformation.
【中国标准分类号】:F12
【国际标准分类号】:27_160
【页数】:
【正文语种】:英语