A rotor for an electrical machine is disclosed herein. The rotor includes a rotor housing, a winding carrier arranged therein, at least one first axial connecting element mechanically interconnecting the winding carrier and the rotor housing, and a superconducting rotor winding configured to produce a magnetic field. The rotor winding is mechanically retained by the winding carrier and is part of a self-contained circuit inside the rotor in which circuit a continuous current may flow. The self-contained circuit has a continuous current switch with a switchable conductor section that may be switched between a superconducting state and a normally conducting state. The switchable conductor section is arranged on the first axial connecting element. A machine including the rotor and a method for operating the rotor is also disclosed herein.
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