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【英文标准名称】:Industrialmicrowaveheatinginstallations-Testmethodsforthedeterminationofpoweroutput
【原文标准名称】:工业微波加热装置.输出功率测试方法
【标准号】:BSEN61307-1997
【标准状态】:作废
【国别】:英国
【发布日期】:1997-07-15
【实施或试行日期】:1997-07-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:加热设备;频率;电热器;试验条件;微波器件;微波灶;电功率测量;工业的;加热器
【英文主题词】:
【摘要】:ThisInternationalStandardisapplicabletoindustrialmicrowaveheatinginstallationsusedforthepurposeofthermalapplicationsofloadscontainingwaterormoisturesuchasheating,dryingofpartiallyconductiveornon-conductivematerials,suchaswood,textiles,paper,foodstuffs,etc.,inbothnormalandprotectiveatmospheres,usingforexample,inertgasorvacuum.Forotherloads(forexample,plastics)thetestmethodsareunderconsideration.Thisstandardrelatestomicrowavepowergeneratorsinthefrequencyrange300MHzto6GHzcomprisinganassemblyofelectricalandmechanicaldevicesintendedforthetransferofmicrowavepowertothematerialtobetreated.Equipmentoperatingatthelowerendofthemicrowavefrequencyspectrum(i.e.between300MHzandabout600MHz)mayusevacuumtubesoralternativemicrowaveemitters.Ifthepoweroutputmeasurementsystemsspecifiedinthisstandardcannotbeappliedforparticularapplicationswithinthisfrequencyrange,thenthealternativesystemswouldbethoseofIEC1308.Themainpurposeofthisstandardistogivetestmethodsforindustrialmicrowaveenergygenerators.Duetothelargevarietyofmicrowaveheatingapplications,anyoutputpowerfiguresobtainedasaresultofthesetestsshouldnotbetakenasrepresentingtheamountofpowerthatcanbedissipatedintoaparticularproductwithinaparticularmicrowaveheatinginstallation,butincertaininstances,theoutputfigurescouldbeusedasanindi-cationofperformance.Theamountofpowerrequiredtoachieveanaimforenthalpychangeinaproductwithinafixedperiodoftimewillbedependent,forexample,ontheproduct'scomposition,theevolutionofitslossfactorwithtemperature,aswellastheconstructionoftheapplicatorsystem,thewaythegeneratorismatchedtotheproductwithintheapplicatorandtheamountofcouplingbetweengeneratorswhenmorethanoneisused.Twotypesofmicrowaveindustrialheatingequipmentexist:TypeAEquipmentwithmicrowavepowergenerators(forexample,powersuppliesplusmagnetronsorklystrons),independentoforseparablefromtheapplicators,towhichtheyprovidethemicrowavepower,forexampleviaawaveguideoracoaxialfeeder.Thisismostlythecasewhenhigh-powermagnetronsorklystronsareused.Usually,acirculatorismountedbetweenthemagnetronsorklystronsandtheapplicatortoprotectthemfromreflectedpower.TypeBEquipmentwithmicrowavepowergeneratorsdirectlycoupledtotheapplicator,i.e.insertingacirculatororawaterloadbetweenthegeneratororgeneratorsandtheapplicatoritself,becomesstructurallyimpossible.Thisstandardrelatestoequipmentnormallyoperatingundercontinuousratedconditions.
【中国标准分类号】:K61
【国际标准分类号】:25_180_10
【页数】:14P;A4
【正文语种】:英语