Urban rail medium-voltage energy feedback power supply device with circulation elimination function

The utility model discloses an urban rail medium voltage type energy feedback power supply device with a circulation elimination function, and relates to the technical field of power supply devices, the urban rail medium voltage type energy feedback power supply device comprises a device body, the left side and the right side of the outer surface of the device body are fixedly provided with heat dissipation mechanisms, and the left side and the right side of each heat dissipation mechanism are provided with air holes. A placing groove is formed in the front side of the outer surface of the heat dissipation mechanism, a filter box is arranged in the placing groove, a discharging groove is formed in the upper side of the surface of the filter box, and filter screens are arranged on the left side and the right side of the filter box. Compared with an existing common energy feedback type traction power supply device, the urban rail medium-voltage type energy feedback power supply device with the circulation elimi