标准资料网-标准资料免费资源平台

【英文标准名称】:Methodfordeterminingobjectiveloudnessratingsoftelephoneconnections
【原文标准名称】:电话连接客观响度值的测定方法
【标准号】:IEEE661-1979
【标准状态】:现行
【国别】:美国
【发布日期】:1979-01-01
【实施或试行日期】:
【发布单位】:美国电气电子工程师学会(US-IEEE)
【起草单位】:IEEE
【标准类型】:()
【标准水平】:()
【中文主题词】:电气工程;信号通信;测量;声学;连接;通信;定义;电话机;响度;测量仪器;测量技术;电子工程;传输特性;试验设备
【英文主题词】:Acoustics;Connections;Definition;Definitions;Electricalengineering;Electronicengineering;Loudnesslevel;Measurement;Measuringinstruments;Measuringtechniques;Signalcommunication;Telecommunication;Telecommunications;Telephones;Testequipment;Transmissioncharacteristics
【摘要】:Determinestheloudnessratingofpartialandcompletetelephoneconnections.Forcompletetelephoneconnections,comprisingoverallandsidetonetransmissionpaths,theproceduresinvolvemeasurementofacousticinputandoutputpressures.Forpartialtelephoneconnectionscomprisingtransmitting,receiving,orconnectionpaths,theproceduresinvolvemeasurementofacousticspressuresandelectricvoltages.
【中国标准分类号】:M21
【国际标准分类号】:17_140_01;33_040_01
【页数】:27P.;A4
【正文语种】:英语


【英文标准名称】:Photovoltaic(PV)modulesafetyqualification-Requirementsfortesting
【原文标准名称】:光电器件(PV)模件安全性资格.试验要求
【标准号】:BSEN61730-2-2007
【标准状态】:作废
【国别】:英国
【发布日期】:2007-07-31
【实施或试行日期】:2007-07-31
【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】:适用性等级;接地;绝缘测试;泄漏电流;机械试验;光电的;资格鉴定;合格;安全性措施;安全性要求;太阳能电池;太阳能;太阳能动力;太阳能工艺;温度试验;试验;外观检查(试验)
【英文主题词】:Applicabilityclasses;Earthing;Insulationtest;Leakagecurrents;Mechanicaltesting;Photovoltaics;Qualificationapproval;Qualifications;Safetymeasures;Safetyrequirements;Solarcells;Solarenergy;Solarpower;Solartechnics;Temperaturetest;Testing;Visualinspection(testing)
【摘要】:ThispartofEN61730describesthetestingrequirementsforphotovoltaic(PV)modulesinordertoprovidesafeelectricalandmechanicaloperationduringtheirexpectedlifetime.Specifictopicsareprovidedtoassessthepreventionofelectricalshock,firehazards,andpersonalinjuryduetomechanicalandenvironmentalstresses.EN61730-1pertainstotheparticularrequirementsofconstruction.ThispartofEN61730outlinestherequirementsoftesting.Thisstandardattemptstodefinethebasicrequirementsforvariousapplicationclassesofphotovoltaicmodules,butitcannotbeconsideredtoencompassallnationalorregionalbuildingcodes.Thespecificrequirementsformarineandvehicleapplicationsarenotcovered.ThisstandardisnotapplicabletomoduleswithintegratedACinverters(ACmodules).Thisstandardisdesignedsothatitstestsequencecanco-ordinatewiththoseofIEC61215orIEC61646,sothatasinglesetofsamplesmaybeusedtoperformboththesafetyandperformanceevaluationofaphotovoltaicmoduledesign.Thetest-sequencesofthisstandardarearrangedinanoptimalwaysothattestsofIEC61215orIEC61646canbeusedasbasicpreconditioningtests.
【中国标准分类号】:F12
【国际标准分类号】:27_160
【页数】:38P;A4
【正文语种】:英语