Abstract
Due to the short distance between urban rail transit stations, a large amount of regenerative electric energy will be generated. Studying how to recuperate regenerative braking energy and control the voltage fluctuation of the traction network within allowable range can result in economic as well as environmental merits, which has important practical significance in alleviating energy shortage at home and abroad. According to the differences in energy process, regenerating energy absorbing modes can be divided as follows: energy-consuming mode, energy-feeding back mode, energy-storing mode. In this comprehensive paper, for the regenerative braking energy recuperation during the train operation, various method and technology have been analyzed. First of all, three methods of storage and utilization of regenerative braking energy are briefly introduced respectively. Then, the advantages and disadvantages of these three methods are summarized. Finally, based on the current research situation, the storage and utilization of regenerative braking energy in urban rail transit is prospected.
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