Method for operating an electric drive train of a work machine, an electric drive train for a work machine and a work machine

摘要

The invention relates to a method for operating an electric drive train (11) of a working machine (10), the drive train (11) having a working drive (20) with a hydraulic working device (22) and an electric working motor (21) and a travel drive (30) with an electric traction motor (31), wherein the working drive (20) is operated independently of the traction drive (30) (100). The method according to the invention is characterized in that the power required by the working drive (20) is provided (100, 106) taking into account the efficiency of the working motor (21) and the efficiency of the working device (22). The invention also relates to a corresponding electric drive train (11) and a corresponding work machine (10).