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1、第XX卷第XXX期电测与仪表Vol.XNo.X2014年第XElectricalMeasurement&InstrumentationXXX配电网非完全量测同期线损计算方法研究*张铁峰1,吕欣1,吕越颖1,杨万春2(1.华北电力大学电气与电子工程学院,河北保定071003;2.呼和浩特供电局,呼和浩特010010)摘要:针对配电网非完全量测同期线损计算中存在的误差大和可靠性低的问题,提出一种线损计算新方案。方案依据监测数据来源将负荷节点分为量测节点、电量节点、容量节点,并详细给出了电量和容量节点
2、的注入电流计算方法,在得到完整的近似实时数据后采用前推回代的潮流算法进行配电网线损计算。该方案由于考虑了数据采集的同期问题,可以避免数据不同期带来的计算误差。应用该方案进行线损计算可为配电网运行和管理决策提供依据。算例分析验证了该方案的可行性。关键词:配电网;线损计算;非完全量测;同期线损中图分类号:TM727文献标识码:A文章编号:1001-1390(2015)00-0000-00StudyofIIncompletemeasuredMeasuredSsynchronouslinelosscal
3、culationLineLossCalculationindistributionnetworkZhangTie-feng1,LvXin1,LvYue-ying1,YangWan-chun2(1.SchoolofElectricandElectronicEngineering,NorthChinaElectricPowerUniversity,HebeiBaoding071003,China;2.HOHHOTPowerSupplyCompany,HOHHOT010010,China)Abstra
4、ct:Inordertosolvethebigerrorandlowreliabilityexistinginincompletemeasuredsynchronouslinelosscalculation,thispaperpresentsanewlinelosscalculationwithincompletemeasuresandnon-synchronousproblemindistributionnetwork,thispaperpresentsanewlinelosscaculati
5、onsolutionsolution..Intermsofthemonitoringdatasources,loadnodesaredividedintothreecategoriesasthemeasurementnodes,powernodesandcapacitynodes.Thewayofinjectioncurrentcalculationforelectricityandcapacitynodesarepresentedindetail,thusThewayofinjectioncu
6、rrentcalculationforelectricityandcapacitynodesarepresentedindetail,thus,,afterthecompleteapproximatelyreal-timedataisobtained,flowalgorithmofbackward/forwardsweepmethodcompleteapproximatereal-timedatawillbeobtained,andthenflowalgorithmofbackward/forw
7、ardsweepmethodiswouldbeusedtocalculatelinelossindistributionnetwork.Thesolutioncanavoidthecalculationerrorcausedbynon-synchronousdataduetotheproblemofconsiderationofsynchronismproblemsduringdatacollection.UsingthissolutiontocalculateLinelinelossescal
8、culationwiththissolutioncanprovidethefoundationfortheoperationofdistributionanddecisionmanagementdecisionindistributionnetwork.The.eExampleanalysisshowsthatthesolutionisfeasible.Keywords:distributionnetwork,linelosscalculation,incompletemeasure,synch