The invention relates to a method for producing a coil integrated in a substrate or applied to a substrate, wherein the coil has first winding portions, which each have first ends and second ends, and wherein the coil has second winding portions and third winding portions, wherein each two of the first ends are electrically interconnected by the second winding portions and two corresponding second ends of the first winding portions are electrically interconnected by the third winding portions, such that coil windings of the coil are formed hereby, wherein at least the first winding portions are applied by means of a 3D printing method, wherein this is aerosol jet or inkjet printing, for example.

A magnetic device includes a housing, a bobbin, at least one coil, and a first magnetic core and a second magnetic core. The housing has at least one side plate and a bottom plate. The side plate stands on the bottom plate and forms a space with the bottom plate. The bobbin is at least partially located in the space. The bobbin has a cylinder. The at least one coil is wound around the cylinder. Each of the first and second magnetic cores includes a center column, a side column, a connecting portion, and a metal clip. The center column is located in the cylinder. The side column is located outside the coil and away from the bottom plate, such that the coil is located between the side column and the bottom plate. The connecting portion connects the center column and the side column.

A transformer unit for a resonant converter comprising; a primary winding loosely coupled by induction to at least one secondary winding, whereby a leakage inductance is generated, and a shielding element covering at least one of the primary winding or the secondary winding for blocking electromagnetic noise generated by the leakage inductance, wherein the shielding element is thermally coupled to at least one of the primary winding or the secondary winding for transferring heat generated by the transformer unit.

A transformer assembly with shrinkage compensation during drying or curing of the windings including: a core having two yokes and two legs, a winding provided about at least one of the two legs of the core, the winding being insulated by an insulating material, a metal profile per yoke, extending in parallel to the respective yoke and being mounted to it, and two pistons seated in the metal profiles, the pistons being movable along their axial direction which is parallel to the longitudinal axis of the at least one winding, wherein the at least two pistons exert a force on the at least one winding in an axial direction of the windings.

An integrated copper bar for a secondary power circuit of a power electronic converter, including a transformer primary winding copper bar, a transformer secondary winding copper bar, an inductor winding copper bar, a copper bar for connecting a detection resistor, a copper bar for connecting a drive circuit and a copper bar for connecting an output terminal; wherein, said transformer primary winding copper bar, said transformer secondary winding copper bar, said inductor winding copper bar, said copper bar for connecting a detection resistor, said copper bar for connecting a drive circuit and said copper bar for connecting an output ground terminal are fixed together via injection molding.

The present application discloses a magnetic component, comprising a magnetic core comprising at least one core column; a winding winded on the core column and comprising a first coil and a second coil adjacent to the first coil; a cladding member covered on at least a portion of an external surface of the first coil; and a positioning member extending from the cladding member and the first coil, wherein the second coil is pressed on the positioning member.

An electrical connector for a multi-wire electrical cable has two or more cable-side electrical contact elements including associated electrical terminals to each of which is to be connected a wire of the electrical cable, and has two or more output-side electrical contact elements, from each of which projects an electrical connector element via which an electrical connection is establishable to a mating connector. An inductive electrical device is disposed between the cable-side and the output-side electrical contact elements. The inductive electrical device is integrally formed with the cable-side and/or the output-side electrical contact elements. The cable-side and the output-side electrical contact elements are electrically connected to each other via the inductive electrical device. The inductive electrical device includes a coil having a plurality of integrally formed windings and/or is at least partially enclosed by a jacket of a plastic material having ferromagnetic material mixed in the plastic material.

A magnetic device includes two substrates arranged in parallel with one substrate providing one or multiple protruding block and a plurality of conductors in each protruding block and the other substrate providing a plurality of conducting contacts respectively disposed in contact with the conductors, and one or multiple magnetic cores mounted between the two substrates and coupled to the one or multiple protruding blocks, each magnetic core having one or multiple positioning slots respectively configured for receiving one respective protruding block so that the conductors and the conducting contacts are electrically connected to create with the one or multiple magnetic cores multiple induction areas for providing a continuous winding type induction coil effect.

In one aspect, an electric coil structure is disclosed. The electric coil structure includes a magnetic core and a substrate. The substrate comprises a conductive material that is embedded in an insulating material. The substrate has a first portion and a second portion and the first portion of the substrate is wrapped around the core. The substrate can have a first portion having a plurality of contacts and a second portion having a corresponding plurality of edge contacts. The coil structure includes an alignment structure. The alignment structure can facilitate attachment of the first portion to the second portion to define a coil about the magnetic core. The alignment structure can comprise a redistribution substrate. The redistribution substrate can be disposed between the first portion and the second portion with the conductive material of the first portion electrically connected to the conductive material of the second portion through the redistribution substrate to define at least one winding. The alignment structure can include an adhesive. The adhesive can be disposed in the recess electrically connecting the first and second portions to define at least one winding. The coil structure can include a solder joint. The solder joint can be disposed between the plurality of contacts and the corresponding plurality of edge contacts making electrical connections between the first and second portions to define at least one winding such that the solder joint is exposed on the first portion.

An electrical device for connection to a high-voltage system includes a magnetizable core, at least one winding which encloses a section of the core, a tank which is filled with insulating fluid and in which the core and each winding are disposed, and at least one pressing element, which is surrounded by insulating fluid, for generating a winding pressure. The pressing element is supported on the core and the winding. In order to adjust the winding pressure from the outside in a simple and cost-effective manner, the pressing element is provided as a drivable pressing element and is connected to an actuating unit. The actuating unit is configured to set the winding pressure which is generated by the pressing element.