ANSI/ASTM A932-2001 使用万用表在电源频率下测试片状试样非晶材料交流电磁特性的方法
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【英文标准名称】:TestMethodforAlternating-CurrentMagneticPropertiesofAmorphousMaterialsatPowerFrequenciesUsingWattmeter-Ammeter-VoltmeterMethodwithSheetSpecimens
【原文标准名称】:使用万用表在电源频率下测试片状试样非晶材料交流电磁特性的方法
【标准号】:ANSI/ASTMA932-2001
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【实施或试行日期】:
【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】:试验;交流电流;磁性材料;磁测量;磁通密度
【英文主题词】:magneticmeasurement;alternatingcurrent;magneticmaterials;testing;magneticfluxdensity
【摘要】:Thistestmethodcoverstestsforvariousmagneticpropertiesofflat-castamorphousmagneticmaterialsatpowerfrequencies(50and60Hz)usingsheet-typespecimensinayoke-typetestfixture.Itprovidesfortestingusingeithersingle-ormultiple-layerspecimens.Note1-Thistestmethodhasbeenappliedonlyatfrequenciesof50and60Hz,butwithproperinstrumentationandapplicationoftheprinciplesoftestingandcalibrationembodiedinthetestmethod,itisbelievedtobeadaptabletotestingatfrequenciesrangingfrom25to400Hz.Thistestmethodprovidesatestforspecificcoreloss,specificexcitingpowerandacpeakpermeabilityatmoderateandhighfluxdensities,butisrestrictedtoverysoftmagneticmaterialswithdccoercivitiesof0.07Oe[5.57A/m]orless.Thetestmethodalsoprovidesproceduresforcalculatingacpeakpermeabilityfrommeasuredpeakvaluesoftotalexcitingcurrentsatmagneticfieldstrengthsuptoabout2Oe[159A/m].Explanationofsymbolsandabbreviateddefinitionsappearinthetextofthistestmethod.TheofficialsymbolsanddefinitionsarelistedinTerminologyA340.ThistestmethodshallbeusedinconjunctionwithPracticeA34/A34M.1.6Thevaluesstatedineithercustomary(cgs-emuandinch-pound)orSIunitsaretoberegardedseparatelyasstandard.Withinthisstandard,SIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththisstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H04
【国际标准分类号】:17_220_20
【页数】:
【正文语种】:英语
【原文标准名称】:使用万用表在电源频率下测试片状试样非晶材料交流电磁特性的方法
【标准号】:ANSI/ASTMA932-2001
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【实施或试行日期】:
【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】:试验;交流电流;磁性材料;磁测量;磁通密度
【英文主题词】:magneticmeasurement;alternatingcurrent;magneticmaterials;testing;magneticfluxdensity
【摘要】:Thistestmethodcoverstestsforvariousmagneticpropertiesofflat-castamorphousmagneticmaterialsatpowerfrequencies(50and60Hz)usingsheet-typespecimensinayoke-typetestfixture.Itprovidesfortestingusingeithersingle-ormultiple-layerspecimens.Note1-Thistestmethodhasbeenappliedonlyatfrequenciesof50and60Hz,butwithproperinstrumentationandapplicationoftheprinciplesoftestingandcalibrationembodiedinthetestmethod,itisbelievedtobeadaptabletotestingatfrequenciesrangingfrom25to400Hz.Thistestmethodprovidesatestforspecificcoreloss,specificexcitingpowerandacpeakpermeabilityatmoderateandhighfluxdensities,butisrestrictedtoverysoftmagneticmaterialswithdccoercivitiesof0.07Oe[5.57A/m]orless.Thetestmethodalsoprovidesproceduresforcalculatingacpeakpermeabilityfrommeasuredpeakvaluesoftotalexcitingcurrentsatmagneticfieldstrengthsuptoabout2Oe[159A/m].Explanationofsymbolsandabbreviateddefinitionsappearinthetextofthistestmethod.TheofficialsymbolsanddefinitionsarelistedinTerminologyA340.ThistestmethodshallbeusedinconjunctionwithPracticeA34/A34M.1.6Thevaluesstatedineithercustomary(cgs-emuandinch-pound)orSIunitsaretoberegardedseparatelyasstandard.Withinthisstandard,SIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththisstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H04
【国际标准分类号】:17_220_20
【页数】:
【正文语种】:英语
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