Systems and methods for leadless power coupling for cryogenic environments

A method for supplying electrical power via a leadless power coupler for a cryogenic environment, comprising:

• applying an input alternating current through a first electrically conductive winding to create a varying magnetic field, wherein the first electrically conductive winding is located outside of a thermal insulating system and the thermal insulating system comprises a wall defining a cavity therein;
• inducing, using the varying magnetic field, a plurality of output alternating currents in a plurality of respective second electrically conductive windings, wherein the plurality of second electrically conductive windings are located inside the thermal insulating system and the plurality of second electrically conductive windings are in a superconducting state;
• rectifying, using a plurality of cryogenic rectifiers, the plurality of output alternating currents into a plurality of respective direct currents, wherein each cryogenic rectifier is coupled to a respective second electrically conductive winding in the plurality of second electrically conductive windings;
• and
• conducting the plurality of respective direct currents to respective loads via a plurality of respective cryogenic cables coupled between respective outputs of the plurality of cryogenic rectifiers and the respective loads,
• wherein:
• the thermal insulating system is configured thermally in a bus topology;
• and
• the first electrically conductive winding, the plurality of second electrically conductive windings, the plurality of cryogenic rectifiers, and the plurality of cryogenic cables are configured electrically in a star topology with the first electrically conductive winding at a center of the star topology.