Innovations:
1.Independently developed special load positive flow control system with variable speed, global power matching,on-demand oil supply, reducing throttling and overflow loss.
2.The travelling system adopts independently developed motor - pump/motor - reducer, compound control of speed and torque, active prediction of load torque and direct control of torque, with strong power and low energy consumption.
3.The lfting system adopts motor pump/hydraulic motor generator. The compound control of speed and torque.Realizing negative load regenerative power generation efficiently. Increasing the endurance time.
4.Multi-motor coordinated control, reasonable matching of motor load, optimized energy management, efficientoperation; time- -sharing, automatic idle stop, reducing energy consumption of the motor and pump at idle.
5.540V high voltage solution, reducing electric current; high efficiency permanent magnet synchronous motor,intelligent door drive variable speed control, low heat generation, 20% energy saved than asynchronous motor.
6.Renewable power generation for various negative loads, energy recovery based on power lithium batteries,improving energy efficiency of the whole machine.
