The invention relates to the galvanically isolated transmission of electrical power between three voltage systems. For this purpose, a transformer is provided which comprises a total of five windings. The transmission between the individual voltage systems can be controlled by targeted manner activation of the individual windings.

According to one configuration, an inductor device includes a first electrically conductive path; a second electrically conductive path, the first electrically conductive path electrically isolated from the second electrically conductive path; first material, the first material operative to space the first electrically conductive path with respect to the second electrically conductive path; and second material. The second material has a substantially higher magnetic permeability than the first material. An assembly of the first electrically conductive path, the second electrically conductive path, and the first material resides in a core of the second material.

An electrical power converter with segmented windings is provided. Comprises a transformer or autotransformer including a magnetic core (3) and at least a primary winding (51) and at least a secondary winding (52) arranged around the magnetic core (3). The primary winding and/or the secondary winding have at least one full turn that includes at least one power switch (10) and at least one capacitor (12) connected in series and arranged respectively opposite each other and facing opposite sides of the magnetic core, defining a cell (4) that is divided in four segments, a first segment (23) including said at least one switch, a second opposite segment (24) including said at least one capacitor, and two other connecting segments (21, 22) providing electrical connection between the first segment and the second segment, and each of said two other connecting segments having opposite electrical polarity.

A transformer includes a closed loop core having a first leg and a second leg. The transformer also includes a first primary winding surrounding the first and second legs, a second primary winding surrounding the first and second legs, and first and second secondary windings surrounding the first and second legs, respectively, and disposed between the first and second primary windings. A first turn of the first and second secondary windings are disposed on a first interlayer winding layer, and other turns of the first and second secondary windings are disposed on a first layer that is further from the first primary winding than the first interlayer winding layer.

An induction feed through system for treating a flow of material is disclosed, including a high voltage energy source energizing a low-turn coil wrapped about an outer wall of a reaction chamber. The flow of electricity through the low-turn coil in turn energizes a high-turn coil wrapped about an inner wall disposed within the outer wall of the reaction chamber. An electrode assembly disposed within the reaction chamber is electrically coupled to and energized by the high-turn coil, in turn generating plasma in the reaction chamber. The plasma is used to excite a flow of material through the induction feed through system. The electromagnetic properties of the plasma further provide direct feedback to the low-turn and high-turn coils.

A current transformer includes a first housing including a first handle portion and a first distal portion, a second housing including a second handle portion and a second distal portion, a first core having a first proximal core end and a first distal core end the first core mounted in rotational contact within the first distal portion, and a second core having a second proximal core end and a second distal core end, the second core mounted in rotational contact within the second distal portion, wherein the first housing is rotationally coupled to the second housing about a fulcrum point.

A current transformer includes a first housing including a first handle portion and a first distal portion, a second housing including a second handle portion and a second distal portion, a first core having a first proximal core end and a first distal core end the first core mounted in rotational contact within the first distal portion, and a second core having a second proximal core end and a second distal core end, the second core mounted in rotational contact within the second distal portion, wherein the first housing is rotationally coupled to the second housing about a fulcrum point.

The present disclosure relates to a transformer arrangement (1) for mounting in an electrical power unit of a vehicle. The arrangement (1) comprising a transformer core (2) and a thermal shell (3) in contact with said transformer core (2). The transformer core (2) comprises a plurality of winding portions (4) extending from a common centre portion (c1) of said core (2), along a first axis (x1), a second axis (x2) and a third axis, (x3) each axis (x1, x2, x3) being orthogonal relative to each of the other axis (x1, x2, x3). Furthermore, each winding portion (4) comprises a conductive coil arrangement (5) wound around each winding portion (4).

Coil structures and methods of forming are provided. The coil structure includes a substrate. A plurality of coils is disposed over the substrate, each coil comprising a conductive element that forms a continuous spiral having a hexagonal shape in a plan view of the coil structure. The plurality of coils is arranged in a honeycomb pattern, and each conductive element is electrically connected to an external electrical circuit.

Some embodiments include a pulsing power supply comprising a power supply and a transformer comprising: a transformer core; a primary winding wrapped around a portion of the transformer core, the primary winding having a first lead and a second lead; and a secondary winding wrapped around a portion of the transformer core. The pulsing power supply may also include a first switch electrically connected with the first lead of the primary winding and the power supply; and a second switch electrically connected with the second lead of the primary winding and the power supply, wherein the first switch and the second switch are opened and closed at different time intervals. The pulsing power supply may also include a pulsing output electrically coupled with the secondary winding of the transformer that outputs pulses having a voltage greater than about 2 kV and with pulse frequencies greater than 1 kHz.