IEC 61788-8-2010 超导性.第8部分:交流电损耗测量.用拾波线圈法在液氮温度下测量暴露于横向交流磁场中循环超导导线的交流电总损耗量
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【英文标准名称】:Superconductivity-Part8:AClossmeasurements-TotalAClossmeasurementofroundsuperconductingwiresexposedtoatransversealternatingmagneticfieldatliquidheliumtemperaturebyapickupcoilmethod
【原文标准名称】:超导性.第8部分:交流电损耗测量.用拾波线圈法在液氮温度下测量暴露于横向交流磁场中循环超导导线的交流电总损耗量
【标准号】:IEC61788-8-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-06
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC90
【标准类型】:()
【标准水平】:()
【中文主题词】:交流电损耗;交流电流;导线;定义;电气工程;能量损失;磁滞损耗;损失;数学计算;测量;测量设备;测量技术;超导性;超导体;测试;测试条件;电压降落
【英文主题词】:AClosses;Alternatingcurrent;Conductingwires;Definitions;Electricalengineering;Energylosses;Hysteresislosses;Losses;Mathematicalcalculations;Measurement;Measuringequipment;Measuringtechniques;Superconductivity;Superconductors;Testing;Testingconditions;Voltagedrops
【摘要】:ThispartofIEC61788specifiesthemeasurementmethodoftotalAClossesbythepickupcoilmethodincompositesuperconductingwiresexposedtoatransversealternatingmagneticfield.Thelossesmaycontainhysteresis,couplingandeddycurrentlosses.ThestandardmethodtomeasureonlythehysteresislossinDCorlow-sweep-ratemagneticfieldisspecifiedinIEC61788-13[2].InmetallicandoxideroundsuperconductingwiresexpectedtobemainlyusedforpulsedcoilandACcoilapplications,AClossisgeneratedbytheapplicationoftime-varyingmagneticfieldand/orcurrent.ThecontributionofthemagneticfieldtotheAClossispredominantinusualelectromagneticconfigurationsofthecoilapplications.Forthesuperconductingwiresexposedtoatransversealternatingmagneticfield,thepresentmethodcanbegenerallyusedinmeasurementsofthetotalAClossinawiderangeoffrequencyuptothecommerciallevel,50/60Hz,atliquidheliumtemperature.Forthesuperconductingwireswithfinefilaments,theAClossmeasuredwiththepresentmethodcanbedividedintothehysteresislossintheindividualfilaments,thecouplinglossamongthefilamentsandtheeddycurrentlossinthenormalconductingparts.Incaseswherethewiresdonothaveathickouternormalconductingsheath,themaincomponentsarethehysteresislossandthecouplinglossbyestimatingtheformerpartasanextrapolatedleveloftheAClosspercycletozerofrequencyintheregionoflowerfrequency,wherethecouplinglosspercycleisproportionaltothefrequency.
【中国标准分类号】:L47
【国际标准分类号】:17_220;29_050
【页数】:38P;A4
【正文语种】:英语
【原文标准名称】:超导性.第8部分:交流电损耗测量.用拾波线圈法在液氮温度下测量暴露于横向交流磁场中循环超导导线的交流电总损耗量
【标准号】:IEC61788-8-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-06
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC90
【标准类型】:()
【标准水平】:()
【中文主题词】:交流电损耗;交流电流;导线;定义;电气工程;能量损失;磁滞损耗;损失;数学计算;测量;测量设备;测量技术;超导性;超导体;测试;测试条件;电压降落
【英文主题词】:AClosses;Alternatingcurrent;Conductingwires;Definitions;Electricalengineering;Energylosses;Hysteresislosses;Losses;Mathematicalcalculations;Measurement;Measuringequipment;Measuringtechniques;Superconductivity;Superconductors;Testing;Testingconditions;Voltagedrops
【摘要】:ThispartofIEC61788specifiesthemeasurementmethodoftotalAClossesbythepickupcoilmethodincompositesuperconductingwiresexposedtoatransversealternatingmagneticfield.Thelossesmaycontainhysteresis,couplingandeddycurrentlosses.ThestandardmethodtomeasureonlythehysteresislossinDCorlow-sweep-ratemagneticfieldisspecifiedinIEC61788-13[2].InmetallicandoxideroundsuperconductingwiresexpectedtobemainlyusedforpulsedcoilandACcoilapplications,AClossisgeneratedbytheapplicationoftime-varyingmagneticfieldand/orcurrent.ThecontributionofthemagneticfieldtotheAClossispredominantinusualelectromagneticconfigurationsofthecoilapplications.Forthesuperconductingwiresexposedtoatransversealternatingmagneticfield,thepresentmethodcanbegenerallyusedinmeasurementsofthetotalAClossinawiderangeoffrequencyuptothecommerciallevel,50/60Hz,atliquidheliumtemperature.Forthesuperconductingwireswithfinefilaments,theAClossmeasuredwiththepresentmethodcanbedividedintothehysteresislossintheindividualfilaments,thecouplinglossamongthefilamentsandtheeddycurrentlossinthenormalconductingparts.Incaseswherethewiresdonothaveathickouternormalconductingsheath,themaincomponentsarethehysteresislossandthecouplinglossbyestimatingtheformerpartasanextrapolatedleveloftheAClosspercycletozerofrequencyintheregionoflowerfrequency,wherethecouplinglosspercycleisproportionaltothefrequency.
【中国标准分类号】:L47
【国际标准分类号】:17_220;29_050
【页数】:38P;A4
【正文语种】:英语
下载地址: 点击此处下载