牵引供电系统故障隔离与供电恢复自动化的研究

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1、西南交通大学硕士学位论文牵引供电系统故障隔离与供电恢复自动化的研究姓名：姚小军申请学位级别：硕士专业：电气系统控制与信息技术指导教师：高仕斌20070601西南交通大学硕士研究生学位论文第ll页AbstractTractionpowersupplysystemplaysauimportantroleinsupplyingpowertothelocomotiveusedinelectrifiedrailwaytransportation．Ifafaultrises，thetransportstab

2、ilizationmaybethrownintoconfusion，anditwillleadtotremendouseconomiclossandbadsocialinfluence．Tractionpowersupplysystemshouldbesafe，steady,effectiveandcontinuous，SOitisveryimportanttoimprovethesystem'ssecurityandreliability．Thispaperputsthetheoryoffee

3、derautomationofdistributionnetworkintotractionpowersupplysystem，andputsforwardtheconceptofautomationoffaultseparationandsupplyrestorationintractionpowersupplysystem．ItCallbeacomplementtothecurrentrelayprotectionandautomaticsystemusedintractionpowersu

4、pplysystem．Whenafaultyrises，throughthecoordinationofprotectionandmeasure·controldevicesintractionsubstation，ATsubstationandsectionpost，itcarcontroltherelevantbreakersandswitcherstorealizefastfaultseparationandautosystem-regrouptorestorepowersupply,li

5、mittherangeoffaulty,minimizethetimeforsupplyrestoration，reducelossesandimprovethelevelofoperationandautomation．Firstly,thepaperintroducesthecurrentHi．ghSpeedRailwaytractionpowersupplysystemanditsfaultseparationandsupplyrestorationpattern，thenputsforw

6、ardtheconceptofautomationoffaultseparationandsupplyrestorationintractionpowersupplysystem，andthendiscussesitsrealization．Secondly,theautomationoffaultseparationandrestorationintheconditionofconventionalfaultisstudied．Anewmethodof．standbyautomaticswit

7、chonthebasisofsubstationintegratedautomationsystemanditsnetworktechnologyisdiscussed，andanewprotectionandcontrolschemeoffeederisproposed．Thirdly,takingtheall—parallelATtractionsystem，whichWasusedinJing-JinHighSpeedRailway,asstudyobject，theschemeofaut

8、omationsystemoffaultseparationandsupplyrestorationinthesituationofbreakerfailureisanalyzed，andthebasicconditionsofimplementingtheautomationsystemarepiontedout．KeyWords：HighSpeedRailway；Tractionpowersupplysystem；Automationoffaultseparationandsupplyres