Train and train power supply control method

A power supply control method for a train, the train comprising a train formation including a head car, a motor car and an intermediate car, wherein connectors are symmetrically provided on end walls of carriages of the head car, the motor car and the intermediate car along a direction perpendicular to a direction of travel of the train, and all connectors on the end walls of the train are connected by means of wiring;

• the head car, the motor car and the intermediate car are connected to an electric wiring throughout an entirety of the train by means of the connectors in any formation state;
• and the train is provided with two parallel power supply wires running throughout the entirety of the train and a plurality of auxiliary power supply systems, the method comprising:
• connecting each carriage to a power supply wire according to a preset wire priority;
• determining whether a current power supply wire connected malfunctions, and if the current power supply wire connected malfunctions, switching to another power supply wire,
• wherein the method further comprises:
• before connecting each car to the power supply wire according to the preset wire priority,
• identifying a code of each carriage in a current arbitrarily-marshaled train, and connecting an auxiliary converter in a motor head car and the motor car to the two parallel power supply wires, wherein the code of the carriage comprises a sequence number of a car and a type number of the car, and a type of the car indicated by the type number comprises:
• the motor head car, the motor car, and a trailer car.