该资料大小估算17.38MB，EN 50488-2020 铁路设施 固定装置 在接触网系统和或其相关回路上或附近工作的电气保护措施共39页，pdf格式
EN50488:2020isaEuropeanstandardtitled"Railwayapplications-Fixedinstallations-Electricalprotectivemeasuresforworkingonornearthecontactlinesystemanditsassociatedreturncircuits."Itprovidessafetyguidelinesandprotectivemeasuresforpersonnelworkingonornearoverheadcontactlines(OCL)andrelatedreturncircuitsinrailwaysystems.Thestandardcoversprocedurestopreventelectricshock,arcflash,andotherelectricalhazardsduringmaintenance,construction,orinspectionactivities.Itincludesrequirementsforisolation,earthing,verificationofdeadconditions,andtheuseofprotectiveequipment.Theaimistoensurethesafetyofworkersandthereliabilityofrailwayelectricalsystems.
