The urban rail regenerative energy feedback device represents the development direction of train regenerative energy utilization technology.With its continuous promotion and application,it is necessary to arrange a reasonable and effective maintenance plan to ensure the reliable and economical operation of the urban rail traction power supply system.The paper established a dynamic reliability model for regenerative energy feedback device of urban rail transit by application of the GO-FLOW method,with reliability and maintenance costs as optimization objectives,carries out an improved multi-objective optimization calculation.The comparison with single objective optimization results shows that the multi-objective optimization method has advantages in comprehensive optimization in terms of economy and stability.
regenerative energy feedback device of urban rail transitmaintenance planmulti-objective optimization