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ID:32387368
大小:1.51 MB
页数:9页
时间:2019-02-04
《探测线圈法超导线材交流损耗测量系统》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、第35卷第4期低温物理学报Vol.35,No.42013年8月CHINESEJOURNALOFLOWTEMPERATUREPHYSICSAugust2013探测线圈法超导线材交流损耗测量系统*王银顺11222张欢欢李会东朱志芹许熙鲍庆2122郑志强戴少涛林良真1华北电力大学新能源电力系统国家重点实验室,高电压技术与电磁兼容北京市重点实验室,北京102206;2中国科学院电工研究所,北京100190收稿日期:2012-12-04;修回日期:2013-01-20【摘要】本文介绍了探测线圈法测量液氦温度下处于横向交变磁
2、场中实用复合超导线材全交流损耗的测量系统的研发.基于IEC61788-8标准,在前期研制完成符合标准均匀度要求的交流超导磁体基础上,设计,加工了探测线圈,补偿线圈,补偿电路和数据采集处理系统.在液氦温度下,采用铅试样对该测量系统进行了标定;同时采用SQUID对同样铅试样进行了测量,两种方法测量结果吻合.测量系统满足复合超导线材交流损耗测量标准IEC61788-8的要求,对于我国探测线圈法测量复合超导线材交流损耗标准的发布实施具有重要参考意义.关键词:探测线圈,补偿线圈,交流损耗,标定PACC:7340E,7460
3、,7470LACLOSSMEASUREMENTSYSTEMOFSUPERCONDUCTINGWIRESBYPICK-UPCOILMETHOD11112WANGYin-shunZHANGHua-huanLIHui-dongZHUZhi-qinXUXi2122BAOQingZHENGZhi-qiangDAIShao-taoLINLiang-zhen1StateKeyLaboratoryforAlternateElectricalPowerSystemwithRenewableEnergySources,NorthCh
4、inaElectricPowerUniversity,KeyLaboratoryofHVandEMCBeijing,Beijing1022062InstituteofElectricalEngineering,ChineseAcademyofSciences,Beijing100080Receiveddate:2012-12-04;revisedmanuscriptreceiveddate:2013-01-20【Abstract】ThetotalAClossmeasurementsystemofcomposite
5、superconductingwiresexposedtoatransverseal-ternativemagneticfieldatliquidheliumtemperaturebyapick-upmethodwasintroduced.AccordingtointernationalstandardIEC61788-8,designandfabricationofpick-upcoil,compensationcoil,compensationcircuit,systemofac-quisitionandpr
6、ocessingdataafteranACsuperconductingmagnetwhichsatisfiestherequirementsofIEC61788-8wassuccessfullyfinishedatearlystage.Atliquidheliumtemperature,themeasurementsystemwascalibratedbyleadspecimen;simultaneously,thesameleadspecimenwasmeasuredbySQUIDattheheliumtem
7、perature.Conse-quently,themeasurementresultbypick-upcoilmethodisgoodagreementwiththatmeasuredbySQUID.Itisindi-catedthatthemeasurementsystemsatisfiestherequirementsoftotalAClossmeasurementstandardofcomposite*国家标委会、国家超导中心支持项目,国家自然基金(批准号:51077051)资助的课题.*Projects
8、upportedbyNationalStandardsCommission,NationalCenterforsuperconductivity,andpartlysupportedbytheNationalScienceFoundation(GrantNo.51077051)yswang@ncepu.edu.cn第4期王银顺,等:探测线圈法超导线材交流损耗测量系统247
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