第36卷第2期2023年2月传感技术学报CHINESEJOURNALOFSENSORSANDACTUATORSVol.36No.2Feb.2023项目来源:国网公司双创项目(AH20-GWMAS11-FZB001)收稿日期:2022-04-10修改日期:2022-05-27DesignandResearchofSmartGridMonitoringSensors*WENCongzong1*,SHENYafeng2,DINXun3(1.CollegeofInnovationEducation,AnhuiUniversityofTechnology,MaanshanAnhui243000,China;2.StateGridNanjingPowerSupplyCompany,NanjingJiangsu210000,China;3.Ma’anshanPowerSupplyCompanyofStateGridAnhuiElectricPowerCo.,Ltd.,Ma’anshanAnhui243000,China)Abstract:Adistributedsmartgridmonitoringsensorbasedonironcoreoptimizationisproposed.Withhighenergyefficiency,thesensorhasthefeaturesofhighsignalacquisitionaccuracy,convenientengineeringinstallationandlongservicelife.Theestablishmentofmath-ematicalmodelofthemonitoringsensor,theanalysisonthemechanismoferrorformationbymeasurementafterintroducingairgapintothesensorironcore,andthesimulationoptimizationarecarriedout.Thesamplingandenergyacquisitioncircuitandtheoverallstruc-tureofthesensorarefullydesignedinlinewiththeworkingprincipleofthesensor,soitslong-termuseinharshfieldenvironmentcanbeguaranteed.Thesensorprototypeismadeandverifiedbyexperiments.Theexperimentedresultsindicatethattheoptimizedsensorcanoperatenormallywiththeminimumstartingcurrentof2A,themeasurementaccuracyofproportionerroris0.2,themeasurementaccuracyofangulardifferencereacheslevel1andhasgoodlinearity.Keywords:distributedmonitoringsensor;samplingenergy;ironcoreairgapsimulation;currenttransformerEEACC:7230doi:10.3969/j.issn.1004-1699.2023.02.007智能电网监测传感器设计与研究*温从众1*,沈雅峰2,丁迅3(1.安徽工业大学创新教育学院,安徽马鞍山243000;2.国家电网南京供电公司,江苏南京210000;3.国网安徽省电力有限公司马鞍山供电公司,安徽马鞍山243000)摘要:本文提出了一种基于铁芯优化的分布式智能电网监测传感器,该传感器取能效率高同时具有较高的信号采集精度,并具有方便工程安装,使用寿命长的特点。建立监测传感器的数学模型,分析传感器铁芯引入气隙后测量后误差形成的机理,并对其进行仿真优化。根据传...