第60卷第8期2023年8月15日电测与仪表ElectricalMeasurement&InstrumentationVol.60No.8Aug.15,2023压缩感知动态测试信号模型与电能表动态误差测试袁瑞铭',李雨晴²,姜振宇',易忠林",王学伟²,郭皎(1.国网冀北电力有限公司计量中心,北京100045;2.北京化工大学信息科学与技术学院,北京100029)摘要:文中针对智能电能表动态误差的高效测试问题,分析了长时间范围内复杂动态负荷信号幅度域的快速随机波动特性,建立了压缩感知伪随机动态负荷测试信号的模型,采用Hadamard矩阵和降采样矩阵结合的测量矩阵构建方法,确定了该测试信号的模型参数,提出了压缩感知测量信号的产生方案。采用试验方法,对比给出了压缩感知和m序列动态测试信号条件下电能表动态测试的误差数据。研究结果表明相比较于m序列伪随机测试信号,压缩感知动态测试信号的动态误差测试效率提高了4倍。关键词:压缩感知;动态测试信号;电能表动态误差;测试信号模型D0I:10.19753/j.issn1001-1390.2023.08.030中图分类号:TM933YuanRuiming',LiYuqing”,JiangZhenyu',YiZhonglin',WangXuewei?,GuoJiao'(1.MetrologyCenter,StateGridJibeiElectricPowerCo.,Ltd.,Beijing100045,China.2.SchoolofInformationScienceandTechnology,BeijingUniversityofChemicalTechnology,Beijing100029,China)Abstract:Aimingattheproblemofefficienttestofdynamicerrorofintelligentelectricitymeters,firstly,thecharacteris-ticsoffastrandomfluctuationofcomplexdynamicloadsignalsinamplitudedomainareanalyzedoveralongperiodoftime,andthemodelofcompressedsensingpseudo-randomdynamicloadtestsignalisestablished.Secondly,themeas-urementmatrixconstructionmethodcombiningHadamardmatrixanddown-samplingmatrixisadoptedtodeterminethemodelparametersofthetestsignal,andaschemeforgeneratingcompressedsensingmeasurementsignalisproposed.Fi-nally,thedynamicerrordataoftheelectricitymeterundertheconditionsofcompressedsensingandm-seriesdynamictestsignalareobtainedbymeansofexperimentaltestmethod.Theresearchresultsshowthatthedynamicerrortestefficiencyofthecompressedsensingdynamictestsignalis4timeshigherthanthatofthem-sequencepseudo-randomtestsignal.Keywords:compressedsensing,dynamictestsignal,dynamicerrorofelectricitymeter,testsignalmodeling0引言21世纪...