Trailer vehicle having electric drive, vehicle combination having trailer vehicle, and method for operating trailer vehicle

The invention relates to a trailer vehicle (14), in particular a saddle trailer (16), for a tractor (12), the trailer vehicle (14) having an electric drive (40), and the electric drive (40) comprising at least one electric motor (46) for driving at least one wheel of the trailer vehicle (14) and an energy store (42) for supplying the electric motor (46), the energy store (42) stores energy of more than 250 kWh or more than 500 kWh, preferably more than 750 kWh or more than 1000 kWh. The invention further relates to a vehicle combination (10), to a method for operating a trailer vehicle (14), and to the use of an energy store (42). 本发明涉及用于牵引车(12)的挂车车辆(14)、尤其是鞍式挂车(16)，其中，挂车车辆(14)具有电驱动装置(40)，并且电驱动装置(40)包括用于驱动挂车车辆(14)的至少一个车轮的至少一个电动马达(46)和用于对电动马达(46)进行供应的能量存储器(42)，其中，能量存储器(42)存储多于250kWh或多于500kWh、优选多于750kWh或多于1000kWh的能量。此外，本发明涉及车辆组合(10)、用于运行挂车车辆(14)的方法以及能量存储器(42)的用途。