直流牽引供電系統(tǒng)雜散電流分布的研究.pdf

1、西南交通大學(xué)碩士學(xué)位論文直流牽引供電系統(tǒng)雜散電流分布的研究姓名：趙凌申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：電力系統(tǒng)及其自動(dòng)化指導(dǎo)教師：李群湛；賀建閩201105西南交通大學(xué)碩士研究生學(xué)位論文第lI頁AbstractDC1500v0rDC750VisuSedi11moStoftheURT仃actionpowersupplysystemofourco咖tⅨ1kc咖rents矗om“ssystemretulmback‰u曲mnllingrail，thent

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4、sourcesofs的ycurrentsandoⅡlermeaSurementsareobtainedbydi丘erentialelementm“hod觚dsupe印osition砸nCiple1kmodelsinclude：calculationmodelsbasedonmulti詢ectedsourCesof“Ru徹【ingRailEaml，(Two—Layer蛾lnlllingnet、vorkstmcture，“R硼【llingI

5、湯l—B謝edMetalEardl’’(11鵬e—Layer)eaItmngn娟Ⅳ0rkstnIcn玳，“R姍1lingRailCu玎entDminageNetBuriedMetalEanh”(Fo肝Layer)e枷1ingnetv舊rk咖ucturenlentllreeco玎e哪)ondiIlgsiIIlulationmodelsaredeveloped誦tllMatlabaCcordingt0tllecalculationmodel

6、sThcsimulationmodelonFoLayer洮g咖rksnuctL鵬isdiVidediIlto鉚oconditio璐aco仃0dingt0WhetherinputdrainagecabiIlet，S0嬲toaIlalysisprotectiVee彘Ctofcu玳ntdrainagenetCurrentSofiI巧ectedsourcesandparaIneterSofe砷玳舸岫rkareinputediIl_t0mesim

7、ulationmodelsofInlllti—locomotiVesuppliedbymuhi鋤ctionsubs切tionThe瑪distributionmlesabouts位lyc唧ntsa11dotllerIne嬲urementsareobtainedbyla唱e鋤oumofsimulationsTherelev觚tparamete硌howt0influerlCeons∞aycullrents觚domerme豁urememsisa

8、r謝yzedtllroughsiIIlulationresultsAtthe翰metime，tlleIIlodelspr0Vet0benueAndtllen，nlev酊uesofs缸ayc眥Tent，rail叫emial，sn眥turalreinforciIlgbarSpotentialatIlewactuallir圯鋤ditSininaloperatingstagearecalculatedThes鋤ep猢ete瑙arepredict

9、eduIldermeconditionofmeiIlslllationof刪ngrailsde鮞royedseriouSlyFiI詞1y，aso行眥uewiⅡlvisualinterfIaCesh嬲beendeVelopedforcmculatingrailpotential觚dS仃aycu盯ent蜥t(yī)hMatlabGUIKeywords：DC仃actionpowersupplysystem；multi—i坷ectedsources；s