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[摘要]
北京地铁运营40年来一直采用DC750V接触轨(三轨)供电制式,没有因接触轨事故而影响行车或引发人身伤亡。北京地铁接触轨供电系统安全防护的有效措施主要有:确定安全可靠的牵引供电主接线方式,制定进出地铁区间的安全管理办法,在涉及接触轨系统的作业时先将走行轨和接触轨短封。阐述北京地铁在接触轨及牵引供电系统安全防护方面的日常管理措施。
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[Abstract]
During the forty years’ operation ofBeijing subway?DC750V conductrail(thirdrail) powersupply systemhasbeenadoptedwithoutaccidentshappeneddueto the third railpowersupply faultswhich affected traffic operationand claimed casualties.Practiceindicated?the effectivemeasureappliedforthesecurityprotectionofpower supplysystemofBeijingsubwaywastheinstallationofcircuit breakersinthegeneralswitch.Thepaperelaboratesthe routinemanagementmeasuresofthesecurityprotectionfor powersupply system of Beijing subway such as the managementoftheadmittanceintotransittunnels?theelectric cut-offoftrackfromconductrail?etc
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