Abstract
In order to better realize the energy saving operation of urban rail transit trains, considering the use of regenerative braking energy has become the focus of current academic research. Train timetable optimization, energy storage system recovery, and inverter system feedback are the main technical means to achieve it. At present, train operation chart optimization is mainly divided into static timetable optimization and dynamic timetable optimization. The energy storage system recovery includes super capacitor type, battery type and flywheel type energy storage device. This paper introduces three technical methods based on the use of regenerative braking energy, and compares the advantages and disadvantages of different energy storage and recovery devices, and finally come to a conclusion.
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