變電站二次測控回路數(shù)字化的研究與應(yīng)用.pdf

1、天津大學(xué)碩士學(xué)位論文變電站二次測控回路數(shù)字化的研究與應(yīng)用姓名：魏小軍申請學(xué)位級別：碩士專業(yè)：電氣工程指導(dǎo)教師：張艷霞；許國忠201012ABSTRACTWiththetrendofIargercapacityandhigherVoltageofpowergridinChin如theimpr0Vementofthedigitalmeasurementandcontrolistheb嬲isforthehighrcljability鋤dint

2、elligenceofthe仃ansf0冊ationequipmentAndalSoitplaysanimportantroleinthesafeproductionofeIectricpowerWiththeconstantdeVelopment0ftheintegratedsubstationautomationtechnoIogyandthephotoeIectrontechnology，向rtherimpr0Vementonth

3、eseconda巧measu陀ment鋤dcontr0Iandthemlldigitalope陽tionofsubstationis鋤inevitablencndnispaperdescribestIlemndamentalofphotoelectric由陋nsducerfiberdigitaIcombiner’synchron娩erintelligenceunit鋤dphotoelec訂icpow盯meter，als0tllecorI

4、espondingd蟛taIme觴urcment柚dconn0lcircuitComparative鋤alysisofthedigitaldeVicesandtheconVentionaIdevicesispresentedBasedonlnnerMongoliaPowerGrid220kVDuerboteSubstationdigi協(xié)l佗buiIdingengin∞r(nóng)ing，theoVemn他constmctionschemefort

5、heinfomlationcollection，仃柚smission，processing，andoutputofthesubstation’skeyme嬲u他ment鋤dcontrolcircuita聆describedSamplingsynchronization，electromagneticinterfe他nce鋤dc叩acit鋤cecouplingderiVedfromoptic：aIcabletr鋤smission，觚dot

6、herproblemsincIudedillthe∞hemea佗inVestigatedRcbuiltsubstationoperating他sultsshowthattlledigitaIseconda叮me嬲urementcontr0Icircuitinc陀嬲esthespeedofdatat啪smission，佗ducesenergylossiIltmnsmission，minimizestIletmnsmissionerrorI

7、nView0fthep咒sentsituationthatthe他isnounive倦aItechnicalstandardforthedigitalsubstationequipmentmaintenance鋤dtesting，st鋤dards鋤dspecifications佑rmaintenanceandtestingamstudied，代Iatedspecifications向requipmentcalibratingarepro

8、po∞d，aofwhichprovideadV觚tagesfort11edigitaIsubstationequipmentmaintenance鋤dtesting，鋤densu他theequipmentrII曲ing∞liabIyKeywords：seconda叮me嬲urcmentcontrolcircuit；photoelectrictransducer；intelIigentunit；opticalcabletransmissi