工業(yè)以太網(wǎng)技術(shù)在變電站自動化系統(tǒng)中的實時性研究.pdf

1、西南交通大學碩士學位論文工業(yè)以太網(wǎng)技術(shù)在變電站自動化系統(tǒng)中的實時性研究姓名：冉懋海申請學位級別：碩士專業(yè)：電力系統(tǒng)及其自動化指導教師：陳小川20060401西南交通大學碩士研究生學位論文第1I頁AbstractCommunicationisthekeytechniqueofSubstationAlutomationSystem(SAS)nerealtimepe喲rⅡlallce，con丘mabilityaIldrcliabilityof

2、infoⅡnationtransmissionincommumicationnetworkdecjdetheusabilityofSASWithSASchallgedtOmore孤dmo把鋤plex，meolderFCScan’tachicvethereqinnentsbecauseoflowspeedanddisunitesofstandards，anditneedsnewhi曲p酬fo肋ancecommunicationtech01

3、0甜tobeusedBecauseofexteIlsive印p1婦ion，hi曲spced勰dopenst鋤dard，industrialE也emetbecomesthefirstchoiceofnewgeneratiOnc0鋤unicationne柳Orkinpfocessbusandinter—stationbusOfSASSharcdEthemetisfollowedCS№WDMAC，s0也e洲timepe喲皿孤cc觚d∞n缸1I

4、labintyoftrallsmissionhasno髂surancesSwitclledEtherIletc姐miIlishorelinlinatethec0Uisiondomain，aⅡditcaIlpfovidewiderne柳Orkballdwidm，lli曲errealtiIneperfo皿鋤ce，丘eerne柳ork锨lfigIlration，soitcanbepresentedforncwcommunicationt池ol

5、ogyofSASIntllisp印ervia缸alysingtllecon丘gIlrationofne鉚ork，interfacesofdata粗dt)，pesofiIlfo珊ation王nSAS，thereqirm衄tsof血fo冊ationtramsmissioninSASisprescntedAssociatedtllekeyte曲niqu骼ofswitchedEthenletalldthefe8turesofSAScommuni

6、cation，themodels0fSAS∞mmunicationusingfull—duplexswitchedEthemet柚dthemessagemodelstosiIIlulatedi丘hentillfb冊atiOntypes盯ebuiltUsiIlgnetworks王IllulationbyOPM咒thercal—timepc喲rmanceaIldreliabilityofdi＆rentnetworkconfigIlratio

7、nisanalyed，s仃ongpointandweakpointofdi如rentIlc倆orkcon丘gur血onisdiscussedInthispaper，卿eapplicationofh蟾hEthemetpmtocOlisdiscIlssed，柚dthetransmissionmediaalldessentialsecuritvisals0觚alyscdThispaperproVidesmepr00fofincrcasing廿