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1、第xx卷第xxx期电测与仪表Vol.xxNo.xxx2016年第xx期ElectricalMeasurement&InstrumentationDec.2016谐波相量测量的FIR滤波算法*裴茂林1，汪芙平2，黄松岭2，赵伟2，严勤3，单鹏1，刘明1（1.国网江西省电力有限公司电力科学研究院，南昌330096；2.电力系统及发电设备控制和仿真国家重点实验室(清华大学)，北京100084；3.国网江西省电力有限公司，南昌330006）摘要：为实现广域范围内谐波相量监测，需要研究与谐波相量功能相适应的测量算法。本文参照同步相量测量P类要求，研究长度为2周波有限冲激响应（f
2、initeimpulseresponse,FIR）带通滤波器，实现各次谐波同步相量快速准确测量。通过研究滤波器频响特性与频偏条件下由基波、被测谐波、干扰谐波和宽带噪声引起测量误差之间定量关系，定义多项滤波器技术指标，根据误差要求制定滤波器设计准则，并由动态谐波相量虚指数函数模型和加权最小二乘算法实现滤波器的具体设计。仿真试验验证了所设计算法在系统稳态和动态条件下良好性能。关键词：谐波相量；谐波测量;同步相量测量；数字滤波器设计中图分类号：TM76文献标识码：B文章编号：HarmonicphasormeasurementbasedonFIRfilteringalgori
3、thmPeiMaolin1,WangFuping2,HuangSongling2,ZhaoWei2,YanLi3,ShanPeng1,LiuMing1(1.ElectricPowerResearchInstituteofStateGridJiangxiElectricPowerCompanyElectricPowerResearchInstitute,Nanchang330096,China.2.StateKeyLaboratoryofPowerSystemandGenerationEquipment,(TsinghuaUniversity),Beijing10008
4、4,China.3.StateGridJiangxiElectricPowerCompany,Nanchang330006,China)Abstract：InordertoTomeettherequirementsofwideareaharmonicphasormonitoring,harmonicphasormeasurementalgorithmsshouldbeelaboratelydesigned.Inthispaper,two-cyclelongFIR(finiteimpulseresponse)bandpassband-passfiltersaredesi
5、gnedforfastandaccurateharmonicphasormeasurement,withtheIEEEStd.C37.118.1forafundamentalsynchrophasormeasurementbeingfollowedasthereferenceforformulationandevaluationoftheproposedmethod.Quantitativerelationsarefirstfirstlyderivedbetweenthefilterfrequencyresponsecharacteristicsandthemeasu
6、rementerrorscausedbythefundamental,themeasuredharmonictobemeasured,theotherharmonicsandthewidebandnoise.Filterspecificationsarethendefinedandfilterdesigncriteriaisformulatedaccordingtotherelationsandpracticalconsiderations.Finally,themeasurementfiltersaredesignedbasedondynamicharmonicph
7、asormodelandweightedleastsquare(WLS)technique.Simulationexperimentshaveconfirmedexcellentperformancesoftheproposedalgorithmsbothundersteadyanddynamicconditions.Keywords：harmonicphasor,harmonicmeasurement,synchrophasormeasurement,digitalfilterdesign-1-第xx卷第xxx期电测与仪表Vol.xxNo.xxx2
