Power-supplementing and range-extending type electric coach

The utility model relates to a power-supplementing and range-extending type electric coach which comprises a coach body. A pure electric power device is mounted in the coach body and comprises a battery, an energy distributor, a motor controller and a motor; a power output terminal of the battery is connected with the energy distributor; the energy distributor is connected with a power input terminal of the motor through the motor controller; the input terminal of the battery is connected with a power output terminal of a generator unit; a rectifier module is connected between the battery and the generator unit; and the generator unit selects three-phase alternating-current permanent magnet synchronous generator. The power-supplementing and range-extending type electric coach can effectively increase the driving range of a pure electric vehicle.