Asynchronous machine with adapted field-building power section

An asynchronous machine includes a stator and a rotor, wherein a stator winding is arranged within the stator, a control device controls a converter such that the converter connects the stator windingto a power-supply network such that a stator current flows within the stator winding, and the stator current has a field-forming current component and a torque-forming current component. The controldevice drives the frequency converter such that a torque (M) occurs between the stator and the rotor during the load period, which is above a predetermined boundary moment and whose maximum value is several times the predetermined boundary torque (MM). The load period is separated from each other by an interval period. The control device drives the converter during the interval period such that atorque occurs between the stator and the rotor below a predetermined boundary torque. The control device drives the frequency converter at least at the beginning of the interval period such that the current component forming th