Transmission system with integrated electric motor and method for operating a transmission system

The invention relates to a transmission system with integrated electric machine (2), with a transmission (1) with freewheel (7) and an attached planetary gear (3) and a clutch (K1) either to separate the transmission system of an internal combustion engine separation of the transmission ( 1) of the connected planetary gear (3) and a spur gear (6) which connects the electric machine (2) with a web (32) of the planetary gear (3), wherein a clutch (K2) used for blocking the planetary gear (3) is and the output (11) with a ring gear (31) of the planetary gear (3) is connected.