Energy control system and method for stringing type new energy mine car

The invention discloses an energy control system and method for an overhead line type new energy mine car, the energy control system comprises a vehicle-mounted power system, a vehicle-mounted overhead line system, a whole car controller and a DC-DC controller, and when the mine car runs to an overhead line section, the vehicle control system automatically lifts a pantograph according to the set position of the vehicle; after the pantograph is in contact with the overhead line, the control system judges whether the pantograph is in stable contact or not according to the terminal voltage value of the pantograph, and then power source switching is conducted; in the stringing stage, the stringing system provides energy for the traction motor and supplements energy for the battery at the same time. Energy of the stringing type new energy mine car comes from a vehicle-mounted power system and a stringing line section power grid, a vehicle control unit controls lifting and descending of a pantograph and issues a po