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《直流輸電系統(tǒng)金屬回線行波故障測(cè)距方案設(shè)計(jì)--畢業(yè)論文》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、直流輸電系統(tǒng)金屬回線行波故障測(cè)距方案設(shè)計(jì)目錄摘要IAbstractII第1章緒論11.1課題研究背景11.2課題研究現(xiàn)狀31.3本文所做的工作及意義4第2章直流輸電線路單端行波測(cè)距原理52.1直流輸電線路行波傳播過程52.1.1直流輸電線路故障過程52.1.2直流輸電線路故障暫態(tài)行波傳播特點(diǎn)52.2單端行波測(cè)距原理72.3行波故障測(cè)距的關(guān)鍵技術(shù)問題92.3.1故障分量的提取92.3.2模變換102.3.3正反向行波的分離122.3.4行波浪涌到達(dá)時(shí)刻的確定132.4小結(jié)13第3章直流輸電系統(tǒng)金屬回線故障分析及仿真153.1引言153.2直流輸電系統(tǒng)單極金屬回線運(yùn)行方式下線路接地
2、故障現(xiàn)象分析153.2.1極1線路A點(diǎn)發(fā)生接地故障時(shí)的現(xiàn)象153.2.2極2線路B點(diǎn)發(fā)生接地故障時(shí)的現(xiàn)象163.3仿真環(huán)境173.4故障仿真173.4.1極1線路A點(diǎn)發(fā)生接地故障173.4.2極2線路B點(diǎn)發(fā)生接地故障193.5小結(jié)20第4章直流輸電系統(tǒng)金屬回線行波故障測(cè)距方案設(shè)計(jì)214.1引言214.2故障測(cè)距系統(tǒng)的總體設(shè)計(jì)214.3故障測(cè)距裝置的外接電路224.4行波故障測(cè)距裝置23I4.4.1故障測(cè)距裝置原理234.4.2信號(hào)調(diào)理電路244.4.3故障行波數(shù)據(jù)采集系統(tǒng)254.4.4GPS同步時(shí)鐘模塊264.5本章小結(jié)28第5章結(jié)論29致謝30參考文獻(xiàn)31IConcentsA
3、bstractI1Threadtheory11.1Subjectresearchbackground11.2Statusquoofresearch31.3Theworkandthesignificanceofthispaper42SingleterminaltravelingwavefaultlocationforHVDCtransmissionline52.1TravelingwavepropagationofHVDCtransmissionline52.1.1DCtransmissionlinefaultprocess52.1.2Transienttravelingwave
4、propagationofHVDCtransmissionline52.2Principleofsingleendedtravelingwavefault72.3Thekeytechnologyoftravelingwavefaultlocation92.3.1Extractionoffaultcomponents92.3.2Modetransformation102.3.3Separationofpositiveandbackwardwaves122.3.4Determinationofarrivaltimeoftravelingwavesurge132.4Summary13
5、3FaultanalysisandSimulationofthemetalloopinHVDCtransmissionsystem153.1Introduction153.2AnalysisonthefaultofthegroundingfaultintheoperationmodeofthesinglepolemetalloopofHVDCsystem153.2.1Phenomenonoftheoccurrenceofearthfaultinthepolar1lineApoints153.2.2Phenomenonoftheoccurrenceofearthfaultinth
6、epolar2lineBpoints163.3Simulationenvironment173.4Faultsimulation173.4.1TheApointofthe1lineisgroundfault173.4.2TheBpointofthe2lineisgroundfault193.5Summary204DesignoftravelingwavefaultlocationschemeformetaltransmissionlineinHVDCtransmissionsystem214.1Introduction214.2Theoveralldesignoffaultlo
7、cationsystem214.3Theexternalcircuitoffaultlocatingdevice22I4.4Travelingwavefaultlocatingdevice234.4.1Principleoffaultlocatingdevice234.4.2Signalconditioningcircuit244.4.3Faulttravelingwavedataacquisitionsystem254.4.4GPSsynchronizationclockmodule264
