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1、高速列車弓網(wǎng)電弧模型及其電氣特性仿真研究劉耀銀尺旭坤萬玉蘇胡海星高國強(qiáng)西南交通大學(xué)電氣工程學(xué)院長春軌道客車股份有限公司摘要:弓網(wǎng)電弧對(duì)受電弓滑板、接觸網(wǎng)導(dǎo)線、供電質(zhì)量、通訊信號(hào)和無線電信號(hào)的影響嚴(yán)重威脅列車的運(yùn)行安全。因此,研究弓網(wǎng)電弧模型,分析弓網(wǎng)電弧的電氣特性,對(duì)降低弓網(wǎng)電弧造成的危害很有必要。筆者運(yùn)用MATLAB/Simulink仿真軟件,考慮到列車在運(yùn)行時(shí)高速氣流場(chǎng)對(duì)弓網(wǎng)電弧模型參數(shù)變化的影響,建立了弓網(wǎng)電弧模型;通過弓網(wǎng)電弧仿真波形與實(shí)驗(yàn)波形的對(duì)比分析,驗(yàn)證了弓網(wǎng)電弧模型搭建的合理性。為了對(duì)比分
2、析弓網(wǎng)靜態(tài)燃弧和動(dòng)態(tài)燃弧的差別,利用搭建的弓網(wǎng)電弧模型進(jìn)行了列車在進(jìn)行升、降弓操作過程和高速列車運(yùn)行速度為200km/h時(shí)3種工況下的弓網(wǎng)電弧仿真,最后通過弓網(wǎng)靜態(tài)燃弧過程中和動(dòng)態(tài)燃弧過程中電弧電氣特性的對(duì)比分析,得到了相關(guān)結(jié)論。從而為研究弓網(wǎng)電弧的電氣特性提供了理論基礎(chǔ)。關(guān)鍵詞:弓網(wǎng)電弧;MATLAB;電氣特性;靜態(tài)燃弧;動(dòng)態(tài)燃弧;作者簡介:劉輝銀(1990—),男,碩士研究生,主要從事高速動(dòng)車組高壓系統(tǒng)設(shè)計(jì)與電弧損傷機(jī)理研究。作者簡介:陳旭坤(1989—),男,碩士,主耍從事高速動(dòng)車組高壓系統(tǒng)設(shè)計(jì)與電
3、弧損傷機(jī)理研究。作者簡介:高國強(qiáng)(1981—),男,博士,副教授,碩士生導(dǎo)師,主要從事高速動(dòng)車組高壓系統(tǒng)設(shè)計(jì)和電氣設(shè)備電接觸與電弧調(diào)控技術(shù)。收稿日期:2017-07-11基金:國家自然科學(xué)基金(U1234202、51325704、51107104)Pantograph-catenaryArcModelofHighSpeedTrainandItsElectricalCharacteristicsSimulationLIUYaoyinCHENXukunWANYusuHUHaixingGAOGuoqiangSc
4、hoolofElectricalEngineering,SouthwestJiaotongUniversity;CNRChangchunRailwayVehiclesCo.,Ltd?;Abstract:Theinfluenceofthepantograph-catenaryarconpantographslidingboard,catenarywire,powerquality,communicationsignalsandradiosignalsseriouslythreatenssaferunning
5、ofhighspeedtreiins.Therefore,itisnecessarytoestablishthemodelofpantograph-catenaryarcforanalyzingitselectricalcharacteristicsandhencereducingtheharmofpantograph-catenaryarc.Inthispaper,thesimulationsoftwareMATLAB/Simulinkisemployedtoestablishapantograph-c
6、atenaryarcmodelconsideringtheinfluenceofhigh-speedairflowonthemodelparametcrs.TheSimulatedwaveformsofthemodelarecomparedwiththeexperimentalonestoverifytherationalityofthemodel.Toanalyzethedifferencebetweenstaticarcinganddynamicarcing,thepantograph-catenar
7、yarcissimulatedwiththemodelinrespectiverisingandfallingprocessesofpantographaswellasatthetrainspeedof200km/h.Finally,conclusionsaredrawnthroughcomparingtheelectricalcharacteristicsofarcinbothstaticanddynamicarcingprocesses.Thisstudymayprovidetheoreticalba
8、sisforinvestigatingthecharacteristicsofperntograph-catenaryarc.Keyword:pantograph-catenaryarc;MATLAB;electricalcharacteristics;staticarcing;dynamicarcing;Received:2017-07-110引言在電氣化鐵路牽引供電系統(tǒng)中,弓網(wǎng)關(guān)系對(duì)整個(gè)高速電氣化鐵路系統(tǒng)的正常運(yùn)行起著非常