京广高铁广东段接触网防雷现状与改进措施

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1、万方数据中国铁道科学研究院工程硕士学位论文AbstractSincethehigh．speedrailwayinChinaopeneditsoperation，theaccidentoflightningstrokeandinsulator’SflashoverforitscatenarysystemOccursfrequently．Thearticleintroducedthecharacteristicsandtechnicalparametersofthehigh-speedrailway’Scatenary

2、system．ItanalyzedthestatisticaldataoftheaccidentoflightningstrokeforGuangdongsectionofBeijing-GuangzhouHigh-speedRailway’SContactSystem．Combinewiththepresentsituationofhigh-speedrailway’Scatenarysystemlightningprotectioninchinaandabroad．Inordertoimprovehigh-sp

3、eedrailway’Scatenarysystemlightningprotectionperformnceandreduceits’trippingrate，pointsoutsomemeasurestoimproveitslightningprotectionperformance：theearthninglinesshallbeinstalledalongtheHigh-speedRailway’SContactSystemandarrangedonthetopofthepoles；Inthekeyligh

4、tningareas，theattesterisaddedtobefixed．SurgeprotectivedevicesShouldbeinstalledforthefacilitiesofthetractionsubstation、thepartition、theATsubstation．TheseimprovemeasuresweremadeexperimentandputintoeffectonGuangdongsectionofBeijing。GuangzhouHigh-speedRailway’SCon

5、tactSystem．Afterhalfayear’Soperatingtest，agoodlightningprotectioneffectWasobtained，anditwillfurtherimplementalongthewholerailway．Inordertoimprovethewholeline’Slightningprotectionperformnceandreduceitstrippingrate，guaranteethesafetyoftracionpowersupplyandservet

6、he11igh-speedrailwaytransportationorderbeaer．Keywords：high-speedrailway；catenary；lightningprotection；improvemeasuresII万方数据中国铁道科学研究院工程硕士学位论文目录摘要⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯。IAbstract．．．．．．．．．．．．．．．．．．⋯．．．．．．⋯．．⋯．．⋯．⋯⋯．．．．．．．．．⋯．．．⋯．．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．II1绪论⋯⋯⋯⋯⋯⋯⋯⋯⋯

7、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．11．1高速铁路接触网的重要性⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11．2高速铁路接触网线路特点易受雷击侵害⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11．3研究目的和意义⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．12高速铁路接触网概况⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．32．1高速铁路接触网的概念⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．32．2高速铁路接触网与普速铁路接触网主要区别⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯32．3高速铁路接触网供电方式⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯

8、·42．4高速铁路接触网构成⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯52．4．1高铁接触网悬挂形式⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯52．4．2接触网主要设备⋯mQI⋯⋯⋯mOlg⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯82．4．3接触网供电分段原则⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．112．4．4受电弓工作条件⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．122