数据驱动的电能表运行状态在线监测方法赖国书(国网福建省电力有限公司营销服务中心,福州350011)摘要:针对在线电能表运行状态存在监测空白点,业务管控存在专业壁垒导致相关电力数据获取难度大,现有监测方法单一等问题,提出覆盖低压侧、中压侧和关口侧数据驱动的电能表运行状态在线监测方法。在低压侧,通过分元器件比对方法定位失准电能表,为低压侧电能表运行状态在线监测提供了新的计算方法。在中压侧,考虑变压器外部特性,递推得到的变压器高压侧三相线电压,并以递推线电压与参考点线电压差值的平方和最小为优化目标,同时满足电压压降、相角偏移等电气节点约束条件,构建高供低计专变用户电能表在线监测优化模型,计算中压侧电能表运行误差。在高压侧,通过构建主变模型、母线层级与线路层级三个层级电量比对模型,运用交叉定位方法计算关口侧电能表运行误差。通过实际算例验证所提方法的正确性和有效性。关键词:电能表;运行状态;数据驱动;分元件;变压器外部特性;交叉定位DOI:10.19753/j.issn1001-1390.2023.04.029中图分类号:TM933文献标识码:A文章编号:1001-1390(2023)04-0193-08Data-drivenonlinemonitoringmethodofrunningstateofelectricitymeterLaiGuoshu(MarketingServiceCenter,StateGridFujianElectricPowerCo.,Ltd.,Fuzhou350011,China)Abstract:Aimingattheproblemssuchastheexistenceofmonitoringblankspotsintheoperationstateoftheelectricitymeter,thedifficultyinobtainingrelevantpowerdataduetotheprofessionalbarriersinbusinessmanagement,andthesin-gleexistingmonitoringmethod,adata-drivenonlinemonitoringmethodofrunningstateofelectricitymeterisproposedcoveringthelow-voltageside,themedium-voltagesideandthegatewayside.Onthelow-voltageside,themisalignede-lectricitymeterislocatedbythesub-componentcomparisonmethod,whichprovidesanovelcalculationmethodfortheon-linemonitoringoftherunningstateoftheelectricitymeteronthelow-voltageside.Onthemedium-voltageside,consider-ingtheexternalcharacteristicsofthetransformer,thethree-phaselinevoltageonthehigh-voltagesideofthetransformerisobtainedbyrecursion.Theoptimizationgoalistominimizethesumofthesquaresofthedifferencebetweentherecursivelinevoltageandthelinevoltageatthereferencepoint,andsatisfyth...