Externally excited synchronous electrical machine and method of operating a synchronous machine

摘要

Externally excited electric synchronous machine and method for operating a synchronous machine, wherein coil windings are arranged on the rotor, in particular as excitation coils, wherein electrical supply of the coil windings by means of an inductive rotary transformer, the secondary winding is connected to the rotor and arranged inductively coupled to the secondary winding primary winding stationary is, in particular, connected to the stator of the synchronous machine.