16results about "Fixed inductances without magnetic core" patented technology

A coil assembly for a wireless power transfer (WPT) system includes a coil carrier tray constructed of a non-conductive, magnetically transparent material that has channels formed therein for receiving a coil. The coil includes a plurality of uninsulated rectangular Litz wire bundles that are woven, braided, or twisted together and then rolled or compressed into a rectangular shape and coated with a non-insulating thin film coating. Each Litz wire bundle, in turn, includes a plurality of uninsulated Litz wire sub-bundles that are woven, braided, or twisted together and then rolled or compressed into a rectangular shape. Each Litz wire sub-bundle, in turn, includes insulated Litz wire strands that are woven, braided, or twisted together and then rolled or compressed into a rectangular shape. The coil design maximizes the amount of conductive material in the channels, maximizing flux density while creating a uniform magnetic flux at the coil surface.

The invention relates to a coil assembly (1) for electrical energy supply networks. Said coil assembly (1) comprises a hollow-cylindrical air-core choke coil (2) having a vertically extending coil axis (3), and also comprises a support structure (7) having an annular support body (10), which annular support body (10) defines an upper supporting plane, and which annular support body (10) is located below a lower axial end (14) of the air-core choke coil (2) and is designed to support the air-core choke coil (2) in a load-bearing manner. The support structure (7) also comprises a plurality of column-like insulators (11) which are designed to support the annular support body (10) and the air-core choke coil (2) in an electrically insulating and load-bearing manner with respect to a ground foundation or with respect to a ground level (8). The annular support body (10) comprises concrete (18), which concrete (18) is used as the material for providing the load-bearing, strength-relevant annular shape of the support body (10), wherein the concrete (18) contains a non-ferromagnetic reinforcement (19). Said non-ferromagnetic reinforcement (19) comprises fibres, rods (20) and / or mats (21) made of at least one non-ferromagnetic material embedded in the concrete (18).

Three-phase choke, which includes the following: an outer circumferential iron core (20), wherein the outer circumferential iron core (20) comprises a plurality of outer circumferential iron core units (21 to 23), and at least three iron core coils (31 to 33) that come into contact with or are connected to an inner surface of the outer circumferential iron core (20), wherein the at least three iron core coils (31 to 33) comprise corresponding iron cores (41 to 43) and corresponding windings (51 to 53) wound around the iron cores (41 to 43), each of the iron cores (41 to 43) extending in a radial direction of the outer circumferential iron core (20), the three-phase choke further comprises a plurality of intermediate coil iron cores (81 to 83) arranged between the at least three iron core coils (31 to 33), and Columns (101 to 103), which can magnetically connect the at least three iron core coils (31 to 33) and the intermediate coil iron cores (81 to 83), are formed between the at least three iron core coils (31 to 33) and the intermediate coil iron cores (81 to 83).

Provided is a magnetic coupling coil component having a high dimensional accuracy for the distance between two coil conductors. A magnetic coupling coil component according to one aspect includes: first and second coil conductors; a first base body portion covering the first coil conductor; and a second base body portion covering the second coil conductor. The first coil conductor has a first winding portion extending around a coil axis. The second coil conductor has a second winding portion extending around the coil axis. The first base body portion has a main body portion and at least one protruding portion. The end surface of the main body portion in a first direction along the coil axis is a first surface. At least one protruding portion protrudes from the first surface. The second coil conductor is positioned such that the second winding portion contacts with at least one protruding portion.

In the embodiments of the present invention, an integrated filter is provided. The integrated filter comprises a cabinet body, and a heat dissipating plate, a resistor and a supporting structure provided in the cabinet body, wherein the resistor is adhered and mounted on a surface of the heat dissipating plate, and the supporting structure is fixedly connected with the heat dissipating plate and is used for fixedly supporting the heat dissipating plate in the cabinet body. As the cabinet body is provided therein with the heat dissipating plate and the resistor is adhered on the surface of the heat dissipating plate, the heat dissipation of the resistor is performed by the heat dissipating plate by which the heat dissipation performance of the integrated filter can be improved. Therefore, it is not necessary for the resistor to use a relatively large steel grid resistor or a heat pipe resistor. As it is possible to use a resistor relatively small in volume, the volume of the cabinet body to be used can be reduced. That is, the volume of the cabinet body in the embodiments of the present invention will be relatively small, facilitating mounting.

Methods for forming a high current inductor leverage solid core materials to form ribbon inductors. In some embodiments, the method may include forming a central opening lengthwise through a solid core conductive material, wherein the solid core conductive material has an outer diameter, the central opening forms an inner diameter of the solid core conductive material, and a difference between the outer diameter and the inner diameter is a thickness of a ribbon conductor of the high current inductor and removing a spiral portion of the solid core conductive material to form the ribbon conductor of the high current inductor, wherein a width of the spiral portion forms a gap spacing between windings of the ribbon conductor.

Single-phase choke coil comprising an outer circumferential iron core (20); at least four iron cores (41 to 44) which are in contact with or connected to the inner surface of the outer circumferential iron core (20), wherein the four iron cores (41 to 44) extend radially and are arranged at equal intervals in the circumferential direction such that the angle formed by the center lines of any two adjacent iron cores (41 to 44) is 90 degrees, wherein the iron cores (41 to 44) have inner ends which converge radially towards the center of the outer circumferential iron core (20), the angle of their tip end being 90 degrees; coils (51 to 54) which are wound around each of the four iron cores (41 to 44), wherein magnetically coupling gaps (101 to 104) are formed between two adjacent iron cores of the at least four iron cores (41 to 44), separating the inner ends of the iron cores (41 to 44) from each other; and at least one additional iron core (45) having the cross-section of an isosceles triangle, arranged between two adjacent coils (51, 54), wherein the coils (51, 54) are in contact with the inner surface of the outer circumferential iron core (20) and are surrounded by the two associated iron cores (41, 44), the outer circumferential iron core (20) and the additional iron core (45).

A coil conductor attachment system includes a termination bar, a coil end receiver barrel extending therefrom, a connector attaching the barrel to the bar, a conductor having a conductor end portion at least partially disposed within the barrel, and a crimped portion of the coil end receiver barrel forming a mechanical and electrical connection with the conductor end portion disposed therein. In another aspect, a method of terminating a coil winding includes providing a termination bar, attaching a coil end receiver barrel to the termination bar, disposing a coil conductor end portion at least partially within the barrel, and crimping a portion of the coil end receiver barrel to form a mechanical and electrical connection with the coil conductor end portion.

The present application relates to an inductor component and a mounting structure of an inductor component. The inductor component includes a substrate, a coil provided on the substrate and wound in a spiral shape along an axis, and first and second external electrodes provided on the substrate and electrically connected to the coil. The substrate includes a substrate having first and second main surfaces facing each other. The axis of the coil is arranged in parallel with the direction of the short dimension among the length, width, and height of the substrate. The coil includes a plurality of first coil wirings provided on the first main surface, a plurality of second coil wirings provided on the second main surface, a plurality of first through wirings penetrating the substrate from the first main surface to the second main surface and arranged along the axis, and a plurality of second through wirings penetrating the substrate from the first main surface to the second main surface, arranged on the opposite side of the first through wirings with respect to the axis, and arranged along the axis. The first coil wirings, the first through wirings, the second coil wirings, and the second through wirings are sequentially connected.

A three-phase reactor includes: an outer peripheral iron core; and at least three iron-core coils that come in contact with an inner surface of the outer peripheral iron core or are joined to the inner surface. The at least three iron-core coils include corresponding iron cores and corresponding coils wound around the iron cores, and gaps that can magnetically connect one iron-core coil of the at least three iron-core coils and an iron-core coil adjacent to the one iron-core coil to each other are formed between the one iron-core coil of the at least three iron-core coils and the iron-core coil adjacent to the one iron-core coil.

The application provides a low-voltage power distribution energy storage system, which is characterized in that: a tap is arranged on a low-voltage winding of a filter-type power distribution transformer, a power converter is connected to the tap of the low-voltage winding after AC filtering, so that an isolation transformer is not needed between the power distribution transformer and the power converter for voltage conversion; a filter reactance winding is wound in a filter-type power distribution transformer in a special structure, which is compact, has high integration, and does not affect the high-voltage winding and the low-voltage winding of the power distribution transformer, has no magnetic saturation characteristics, has good inductance linearity, and replaces a core filter reactance device with large heat generation and working noise and inductance nonlinearity; the technical problems of heat generation and electromagnetic interference caused by the isolation transformer and the core reactance device are solved, the power loss is significantly reduced, the space occupied by the equipment in the energy storage container is reduced, and the working noise is reduced.

The embodiment of the invention provides an integrated filter. The integrated filter comprises a cabinet body, a heat dissipation plate, a resistor and a supporting structure, wherein the heat dissipation plate, the resistor and the supporting structure are arranged in the cabinet body; wherein the resistor is mounted on the surface of the heat dissipation plate in an attached manner; and the supporting structure is fixedly connected with the heat dissipation plate, and the supporting structure is used for fixedly supporting the heat dissipation plate in the cabinet body. The heat dissipation plate is arranged in the cabinet body, the resistor is attached to the surface of the heat dissipation plate, heat dissipation is conducted on the resistor through the heat dissipation plate, the heat dissipation performance of the integrated filter can be improved through the heat dissipation measure, and therefore the resistor does not need to be a steel gate resistor or a heat pipe resistor with the large size. The resistor with a small size can be adopted, so that the size of the used cabinet body can be reduced, namely, the size of the cabinet body in the embodiment of the invention is small, and the installation is convenient.

A high frequency, high voltage compound helical inductor coil includes a primary coil configured as a helix, a secondary coil configured as a helix and being surrounded by and parallel with the primary coil. A dielectric insulator, configured as a helix, is disposed between and separates the primary coil and the secondary coil. A center conductor may extend axially through the primary and secondary coils and may be attached at a first end to the primary coil and at a second end to the secondary coil.

An inductor component includes an element body; and a coil on the element body and wound into a spiral shape along an axis. The element body includes a substrate having first and second principal surfaces facing each other. The coil includes at least one first coil wiring on the first principal surface, at least one second coil wiring on the second principal surface, at least one first through wiring penetrating the substrate from the first principal surface to the second principal surface, and at least one second through wiring penetrating the substrate from the first principal surface to the second principal surface, and on a side opposite to the first through wiring with respect to the axis. The first coil wiring, the first through wiring, the second coil wiring, and the second through wiring are connected in sequence to constitute at least a part of the spiral shape.

A kind of hollow reactor with half-open type sound insulation device and its noise reduction and heat dissipation optimization method, according to the design parameters and electrical parameters of the stacked hollow reactor, a three-dimensional model is established, the magnetic flux density, electromagnetic force, vibration displacement and sound field distribution of the reactor coil with / without sound insulation device are obtained by simulation calculation;According to the obtained current and magnetic flux density distribution of the reactor, combined with the current and basic structure of the reactor coil, the loss of the coil and the star frame is calculated;The electromagnetic field-flow field-temperature field simulation model of the hollow reactor is constructed, the temperature of the coil and the surrounding fluid flow velocity distribution characteristics with / without sound insulation device are calculated;The influence law of each parameter of the sound insulation device on the sound pressure level and the highest temperature of the reactor measuring point is calculated;According to the constructed approximate model, sensitivity analysis and weight coefficient calculation results, the optimal parameters of the reactor sound insulation device are obtained. The optimization method has important reference significance for the parameter optimization of the reactor sound insulation device.

The present application relates to an inductor component and an inductor component mounting structure. The inductor component includes a base and a coil provided on the base and wound in a spiral shape along an axis. The base includes a substrate having first and second main surfaces facing each other. The coil includes at least one first coil wire provided on the first main surface, at least one second coil wire provided on the second main surface, at least one first through wire provided to pass through the substrate from the first main surface to the second main surface, and at least one second through wire provided to pass through the substrate from the first main surface to the second main surface and arranged on the opposite side of the first through wire with respect to the axis. The first coil wire, the first through wire, the second coil wire, and the second through wire are connected in this order to form at least a portion of the spiral shape. The at least one second coil wire includes a two-end connecting coil wire having a first end connected to the first through wire and a second end connected to the second through wire.