资源描述：
《A Fault Phase Selection for Distribution Network Based on Correlation Coefficient of Three-phase Transient Voltage》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、2018ChinaInternationalConferenceonElectricityDistributionTianjin,17-19Sep.2018AFaultPhaseSelectionforDistributionNetworkBasedonCorrelationCoefficientofThree-phaseTransientVoltageXIAOYANHAN1,QINREN2,QINSHU3(1StategridSichuanElectricPowerCompany,Chengdu610041,SichuanPro
2、vince,China;2StategridDazhouSupplyCompany,Dazhou635000,SichuanProvince,China;3CollegeofElectricalEngineeringandInformationTechnology,SichuanUniversity,Chengdu610065,China，SichuanProvince，China)[1]-[5]anddeltavariable[6]-[11].Thesequence-componentAbstract—Fortheproble
3、moffaultphaseselection(FPS)inmethodsusethephasorrelationshipofsequencecomponentstodistributionnetwork,amethodbasedontransientvoltagedeterminewhichphaseisfailure[1]-[3].Thewayscannotstarttravelingwavewasproposedinthispaper.Themethodutilizedworkinguntilonepowerfrequency
4、cycleafterfaultoccurs.thecorrelationrelationandenergyrelationofthree-phaseAnotherdrawbackofthesequence-componentmethodsisthattransientvoltagetravelingwavetoestablishthecriteriaforidentifyingfaultphase.Byusingtransienttravelingwave,thetherearenozerosequenceandnegatives
5、equenceformethodhadtheadvantageofhighspeed.TheFPSalgorithmwassymmetricalthree-phasefault[12],thustheoreticallytheconciseandfeasible,andtheadoptedlengthofdatawindowwassequence-componentmethodsfailtoidentifythisfaulttype.oneoverfortyofthepowerfrequencycycle.Simulatedres
6、ultsonInstead,thedeltavariableapproachesconfirmfaultphaseontheplatformofPSCADshowedtheeffectivenessofthepresentedtherelationshipofphasecurrentdifferenceundervariousfaultFPSmethod,whichwasexcellentinaccuracyandspeedconditions[6]-[8].Inthisregard,thereisexistingaFPSwayr
7、egardlessofthefaultlocationorthetransitionresistanceunderdifferentfaulttypes.thatreliesontheratioofphasecurrentdifferencesineachtwophases[9].Inaddition,themethodsofmutationalvolumealsoIndexTerms—Distributionnetwork,faultphaseselection(FPS),includebreakphasevoltagevari
8、ableandvoltage-currenttransientvoltagetravelingwave,correlationcoefficient.comprehensivebreakvariable[10],[11].Thedeltavariab
