A power supply according to an embodiment comprises: a substrate; a switching unit disposed on the substrate and alternately switching input direct current power so as to convert same into alternating current power; a transformer disposed on the substrate and converting the level of the alternating current power; a rectifying unit disposed on a substrate and rectifying the alternating current power having the level converted by the transformer; and an output inductor disposed adjacent to the transformer and having one end connected to the transformer, wherein a plurality of terminals included in the transformer include first and third terminals, a second terminal located between the first terminal and the third terminal, and an additional terminal extending from the second terminal to the outside of the first or third terminal, and the one end of the output inductor is connected to the additional terminal of the transformer.

The invention relates to a power transformer assembly to transform electromagnetic power of an oscillating electromagnetic field into electric power of an electric current or available electric current to charge an electric storage device or energize an electric load. The power transformer assembly includes: a magnetic assembly to receive the oscillating electromagnetic field and transform the oscillating electromagnetic field into an electric alternating current; an electronic assembly to receive the electric alternating current and transform the electric alternating current into the electric current; and a heat dissipation means for dissipating heat associated with one or more power transforming operations of the power transformer assembly, wherein the heat dissipation means includes a first heat transfer portion associated with the electronic assembly to dissipate heat generated at least by the electronic assembly.

In examples, provided are leadless power couplers that include (1) a thermal insulating system having an outer wall and an inner wall, (2) a first electrically conductive winding located outside the thermal insulating system, where the first electrically conductive winding is configured to create a varying magnetic field, (3) a plurality of second electrically conductive windings located inside the thermal insulating system and configured to couple to the varying magnetic field, the plurality of second electrically conductive windings being superconductors, (4) a plurality of cryogenic rectifiers, each cryogenic rectifier being coupled to a respective second electrically conductive winding in the plurality of second electrically conductive windings, and (5) a plurality of cryogenic cables coupled between respective outputs of the plurality of cryogenic rectifiers and respective loads.

A flat, electrically and thermally conductive flat surface group is formed in the common connection region 32 of the secondary coil 13. The flat conductive surface group is directly and mechanically joined to the connecting surfaces of the first conductor plate 42, the second conductor plate 44, and the third conductor plate 46, respectively. The first conductor plate 42, the second conductor plate 44, and the third conductor plate 46 cover the entire common connection region 32. The annular first conductor plate 42 occupies the maximum area. The refrigerant can be circulated in the annular cavity provided inside the first conductor plate 42 to efficiently cool the whole.

The present disclosure relates to a magnetic apparatus, and a voltage converter including the same. The magnetic apparatus comprises: a first magnetic core (1), including a first planar body (11); a second magnetic core (2), including a second planar body (21); and a third magnetic core (3), including a third planar body (31). The first, second, and third magnetic core (3) are sequentially stacked. The magnetic apparatus further comprises: a first column (101) for a transformer, located between and basically perpendicular to the first planar body (11) and the second planar body (21); at least two second columns (102) for at least two inductors, located between and basically perpendicular to the second planar body (21) and the third planar body (31).

The present application provides a synchronous rectification assembly, a manufacturing method thereof and a power supply. The synchronous rectification assembly comprises a synchronous rectification board, a transformer and a main board; wherein the synchronous rectification board is disposed on the main board and is electrically connected to the main board, and the transformer is disposed on the synchronous rectification board and is electrically connected to the synchronous rectification board; the synchronous rectification board is provided with a conductive contact for being electrically connected to an external apparatus, and the synchronous rectification board is used for synchronously rectifying an output signal of the transformer and thereafter transmitting the output signal to the conductive contact. The present application can solve the problem that the output signal outputted by the transformer in the existing synchronous rectification assembly has a large loss during transmission.

A magnetic element includes a first magnetic column, a second magnetic column, a first winding wound around the first magnetic column, and a second winding wound around the second magnetic column. The first winding includes a first horizontal winding, a second horizontal winding, a first vertical winding, and a second vertical winding. The second winding includes a third horizontal winding, a fourth horizontal winding, a third vertical winding, and a fourth vertical winding. The first vertical winding and the third vertical winding are disposed on or in a first circuit board and a second circuit board respectively, the second vertical winding and the fourth vertical winding are disposed on or in a third circuit board. The first circuit board, the first magnetic column, the third circuit board, the second magnetic column, and the second circuit board are sequentially bonded to form a pre-package.