CONTROL SYSTEM FOR AN ELECTRIC MACHINE FOR PRODUCING A BRAKING TORQUE BY MEANS OF THE ELECTRIC MACHINE, AND METHOD FOR OPERATING A CONTROL SYSTEM FOR AN ELECTRIC MACHINE

The present invention relates to a control system () for an electric machine (EM), for producing a braking torque, by means of the electric machine (EM), in a traction drive, said system comprising a control device (SE), the control device (SE) being configured to control a generator voltage or a generator current in or through a power electronics system (LE) of the electric machine such that during a movement of the traction drive, the electric power (Pel) of the electric machine (EM) can be limited to a level at least below a predefined minimum value.