Electric hydraulic excavator control system with soft starting device and method thereof

The invention discloses an electric hydraulic excavator control system with a soft starting device. The control system comprises a wire inlet box, a slip ring box, a silicon controlled rectifier assembly, a motor, a bypass contactor, a drive protection unit, a comprehensive control unit, a human-computer interface and a GPS device, a remote control center and a hydraulic pump; an external power supply cable of the system is connected to a wire inlet end of the slip ring box through the wire inlet box, a wire outlet end of the slip ring box is connected to the motor through the silicon controlled rectifier assembly, the bypass contactor is connected to the slip ring box and the motor, the comprehensive control unit is in optical fiber communication connection with the silicon controlled rectifier assembly through the driving protection unit, meanwhile, the comprehensive control unit is in communication connection with the human-computer interface and the GPS device, the GPS device is inwireless connection with