【英文标准名称】:Liveworking-Protectiveclothingagainstthethermalhazardsofanelectricarc-Testmethods-Determinationofarcprotectionclassofmaterialandclothingbyusingaconstrainedanddirectedarc(boxtest)
【原文标准名称】:带电作业.防止电弧热危害的防护服.试验方法.使用受限和定向电弧测定材料和衣料的电弧防护等级(箱中试验)
【标准号】:BSEN61482-1-2-2007
【标准状态】:现行
【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】:电弧;校准;防护等级;衣服;定义;电力系统;电气工程;结果的表达;初始温度;带电作业;维护;准备;防护服装;防护设备;额定值;耐力;安全准备;安全要求;试验室;试验设备;试验报告;试验结果;试样;测试;测试条件;测试准备工作;外观检查(测试)
【英文主题词】:Arcing;Calibration;Classesofprotection;Clothing;Definition;Definitions;Electricarcs;Electricpowersystems;Electricalengineering;Expressionofresult;Initialtemperature;Liveworking;Maintenance;Preparation;Protectiveclothing;Protectiveequipment;Ratings;Resistance;Safetyprovisions;Safetyrequirements;Testchamber;Testequipment;Testreports;Testresults;Testspecimens;Testing;Testingconditions;Testingset-ups;Visualinspection(testing)
【摘要】:ThispartofIEC61482specifiesmethodstotestmaterialandgarmentsintendedforuseinheat-andflame-resistantclothingforworkersexposedtoelectricarcs.IncontrasttothetestmethodsinIEC61482-1-11)adirectedandconstrainedelectricarcinalowvoltagecircuitisusedtoclassifymaterialandclothingindefinedarcprotectionclasses.Thetestmethodsspecifiedinthisdocumentareaimedatrenderingadecisionwhetherarcthermalprotectionismetunderdefinedconditions.Twoprotectionclassesaretested.Protectionclass1andprotectionclass2aresafetyrequirementscoveringactualriskpotentialsduetoelectricfaultarcs.NOTE1Inpracticetherecanbehigherrisks.Ariskanalysisshouldclarifytheactualrisk.Thetestmethodsarenotdirectedtowardmeasuringthearcthermalperformancevalue(ATPV).MethodsdeterminingtheATPVareprescribedinIEC61482-1-1.Thisstandardspecifiestestswithwhichitispossibletoevaluatematerialsandprotectiveclothingbasedontheuseofadirectedandconstrainedelectricarcunderdefinedlaboratoryconditions(box-test).Apracticalscenarioconcerningtestset-upandtestconditions,electricalandconstructionalparametersisselected.Forthetestsalowvoltageprocedureisused.Thetestscanoptionallybecarriedoutintwofixedtestclasses,selectedbytheamountofprospectiveshortcircuitcurrent:Class14kA;Class27kA.Thedefineddurationoftheelectricarcis500msinbothtestclasses.NOTE2Theseconditionsrepresente.g.lowvoltageenvironmentalconditionsduringanelectricfault.Materialsandclothingwillbetestedwithtwomethods:thematerialboxtestmethodandthegarmentboxtestmethod.Thematerialboxtestmethodisusedtomeasureandfindmaterialresponsetoanarcexposurewhentestedinaflatconfiguration.Aquantitativemeasurementofthearcthermalperformanceismadebymeansoftheenergytransmittedthroughthematerial.Thegarmentboxtestmethodisusedtotestthefunctionoftheprotectiveclothingafteranarcexposure,includingallthegarmentfindings,sewingtread,fasteningsandotheraccessories;noheatfluxwillbemeasured.Testingreferstothethermalarceffects;itdoesnotapplytoothereffectslikenoise,lightemissions,pressurerise,hotoil,electricshock,theconsequencesofphysicalandmentalshockortoxicinfluences.
【中国标准分类号】:C73;K09
【国际标准分类号】:13_260;13_340_10
【页数】:32P.;A4
【正文语种】:英语