Operating method for an induction machine that has a stator and a rotor , wherein a stator winding is arranged in the stator , - wherein a control device controls a converter so that the converter connects the stator winding to a power-supply network so that a stator current (I) flows within the stator winding , - wherein the stator current (I) has a field-forming current component (I1) and a torque-forming current component , - wherein the control device controls the converter in such a way that, during load periods , a torque (M) acts between the stator and the rotor , which at least temporarily lies above a predetermined limit torque (MM) and its maximum is several times the predetermined limit torque (MM), - wherein the load periods are separated from each other by periods of rest , - wherein the control device controls the converter during the periods of rest in such a way that a torque (M) acts between the stator and the rotor , which is permanently under the predetermined limit torque (MM), - wherein the control device controls the converter at least at the beginning of the periods of rest in such a way that the field-forming current component (I1) has a nominal value , - wherein the control device controls the converter during the load periods in such a way that the field-forming current component (I1) has a lower value than the nominal value , - wherein the time of the beginning of the respectively next load period is known to the control device in advance and - wherein the control device increases the field-forming current component (I1) to a final value (I11) above the nominal value at the end of the respective period of rest . - wherein a control device controls a converter so that the converter connects the stator winding to a power-supply network so that a stator current (I) flows within the stator winding , - wherein the stator current (I) has a field-forming current component (I1) and a torque-forming current component , - wherein the control device controls the converter in such a way that, during load periods , a torque (M) acts between the stator and the rotor , which at least temporarily lies above a predetermined limit torque (MM) and its maximum is several times the predetermined limit torque (MM), - wherein the load periods are separated from each other by periods of rest , - wherein the control device controls the converter during the periods of rest in such a way that a torque (M) acts between the stator and the rotor , which is permanently under the predetermined limit torque (MM), - wherein the control device controls the converter at least at the beginning of the periods of rest in such a way that the field-forming current component (I1) has a nominal value , - wherein the control device controls the converter during the load periods in such a way that the field-forming current component (I1) has a lower value than the nominal value , - wherein the time of the beginning of the respectively next load period is known to the control device in advance and - wherein the control device increases the field-forming current component (I1) to a final value (I11) above the nominal value at the end of the respective period of rest . <EOS>