Analysis and Solution of Power Supply Faults in Subway Lighting Drivers
This article introduces the advantages and fault situations of using LED light sources for passenger compartment lighting in Changsha Metro vehicles.By testing and classifying the fault situation of the passenger compartment LED driving power supply,and consulting the electrical schematic of the passenger compartment lighting LED driving power supply,the design defects of the LED driving power supply were analyzed.Through fault maintenance analysis and upgrading of faulty circuit components,the LED driving power supply fault was effectively solved,saving component procurement costs and providing ideas for the maintenance of other subway companies'driving power supply faults.