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The device has a variety of operating modes, working in the inverter mode, through the traction network DC side voltage stabilization control, to ensure the full play of the train regenerative electric braking function, reduce the brake tile wear, improve the tunnel environment, the remaining braking energy back to the AC grid, reduce traction energy consumption.

The device stores the energy generated during train regenerative braking in the super capacitor and releases it into the traction network when the train is in traction, thus realizing the reuse of train regenerative braking energy, improving the quality of DC power supply, reducing gate tile wear, and improving the tunnel environment.

The device absorbs the energy generated during the regenerative braking of the train by means of resistive heating, ensuring the electric braking function of the train, reducing the wear of the brake tiles and improving the tunnel environment.

The device has a networked multi-device intelligent coordination control function to ensure that the braking energy is utilized by adjacent vehicles in priority, and the braking energy can be fed back to the AC grid in priority, and the excess is consumed through resistors.

The visual grounding management system is used to check and ground the contact network during power outage maintenance in urban rail transit vehicle sections, parking lots, main lines and other operational areas.

The safety production management system of urban rail transit power supply operation is a visualized and networked microcomputer integrated management system, which realizes the functions of microcomputer anti-misoperation, visualized grounding, safety management of maintenance work platform, video monitoring and equipment inspection of traction power supply system, which can effectively improve the safety and availability of power supply system operation