Abstract: A reactor capable of suppressing a deformation of a resin material in a gap between partial cores is provided. This reactor includes: a core that includes T-shaped cores which are at least a pair of partial cores disposed via the gap therebetween; a coil attached to respective parts of the T-shaped cores; and a core casing that is a core molding member which is formed integrally by a resin material and which covers the T-shaped cores. The core casing includes the coupling portion that is provided between the T-shaped cores at a location corresponding to the gap, and the coupling portion is provided with a through-hole, and a pair of connection portions which face with each other across the through-hole and which connects a space between the T-shaped cores.

Abstract: A filter circuit device includes: first and second core members forming first and second through holes, respectively; a first conductor passing through the first and second through holes; a second conductor passing through the first and second through holes; a capacitor; a first terminal configured to electrically connect the first conductor with the capacitor; and a second terminal configured to electrically connect the second conductor with the capacitor. The first conductor from the first through hole to the second through hole and the second conductor from the first through hole to the second through hole have an opposing part between the first conductor and the second conductor. The first terminal presses an opposite surface of the first conductor, so as to be in contact with the first conductor. The second terminal presses an opposite surface of the second conductor, so as to be in contact with the second conductor.

Abstract: A receiving device of a system for inductive power transfer includes a housing, which includes a cover element and a base element, at least one reception area for a circuit board, at least one magnetic shielding element, wherein the at least one magnetic shielding element covers the at least one reception area of the cover element at least partially, and a winding structure, the magnetic shielding element is arranged below the winding structure with respect to a vertical axis of the receiving device and the vertical axis of the receiving device is oriented orthogonal to an upper surface of the cover element and a bottom surface of the base element.

Abstract: A coil component includes a body having both end surfaces opposing each other in a length direction; a support substrate disposed in the body; a coil portion disposed on the support substrate in a width direction of the body, and including first and second lead-out portions each exposed to a first surface and a second surface of the body opposing each other in a thickness direction of the body, respectively, and disposed on the support substrate; and first and second external electrodes disposed on the first surface of the body, spaced apart from each other, and connected to one ends of the first and second lead-out portions exposed to the first surface of the body, respectively.

Abstract: A stationary induction charging station for a vehicle is disclosed. The stationary induction charging station includes an induction charging device, an energy transfer module for contact-free energy transfer, and an electronic unit. According to an example, the energy transfer module and the electronic unit are spatially combined.

Abstract: An apparatus can comprise a DC power supply to generate a DC electrical signal, a pulse generator to generate an electrical pulse, and an electrical element. The pulse generator and the DC power supply can be electrically coupled together. The electrical element can receive the DC electrical signal and the electrical pulse. The electrical element can generate a magnetic field in response to receiving the DC electrical signal and cool in response to receiving the electrical pulse.

Abstract: Provided is a reactor that can prevent a temperature sensor from being attached to a wound portion of a coil in a wrong direction. The reactor includes a temperature sensor having a sensor main portion attached to an outer peripheral surface of a wound portion and a wire extending from the sensor main portion. A sensor housing portion houses the sensor main portion. The sensor main portion has a detection surface facing the wound portion and a projecting portion protruding from a back surface of the sensor main portion opposite of the detection surface. The sensor housing portion has a pair of side wall portions opposing respective side surfaces of the sensor main portion. A height of a portion of the sensor main portion that has the projecting portion is larger than a width of that portion and larger than the distance between the side wall portions.

Abstract: Disclosed herein is a battery charging system of an electric vehicle charging station, the battery charging system including: a charging unit configured to supply an electrical power to charge a battery of an electric vehicle; a charging cable connected to the charging unit and having a connector attached thereto to correspond to an inlet of the electric vehicle; and a cooling unit disposed at a location where the electric vehicle is parked in charging to supply a cooling air toward the battery of the electric vehicle.

Abstract: The invention relates to an inductor, and particularly to an inductor for a transmitter circuit. The invention also concerns a transmitter including said inductor, a proximity detection system employing such a transmitter, and a method of making said inductor. The inductor of the invention includes a core having non-uniform permeability and a conductor winding arranged around the core. When used in a transmitter circuit, this allows an induced electromagnetic field to propagate through the core in a more efficient manner than otherwise possible, so resulting in a higher dynamic field strength for a given resonant circuit drive.

Abstract: A reactor is provided which can be reduced in size, can prevent falling off of the temperature sensor and can make accurate temperature detection. The reactor comprises: an annular core 10; a resin member 20 covering a periphery of the annual core 10; a coil 5 attached to an outer circumference of the resin member 20; and a temperature sensor 9 inserted into a gap between the resin member 20 and the coil 5. The temperature sensor 9 has a columnar temperature detection portion 9a, and at least a part of the temperature detection portion 9a is sandwiched by the resin member 20 and the coil 5 in close contact.

Abstract: In accordance with these and other embodiments of the present disclosure, a system may include a plurality of temperature sensors configured to sense temperatures at a plurality of locations associated with an information handling system, a cooling subsystem comprising at least one cooling fan configured to generate a cooling airflow in the information handling system, and a thermal manager communicatively coupled to the plurality of temperature sensors and the cooling subsystem. The thermal manager may be configured to, based on at least a power provided to a subsystem of the information handling system, estimate a thermal condition proximate to the subsystem, based on a maximum power consumption for a component of the subsystem, determine an estimated linear airflow velocity requirement for the component, and set a speed of the at least one cooling fan based on the estimated thermal condition and the estimated linear airflow velocity requirement.

Abstract: A reactor that can measure the temperature of the magnetic core is provided. The reactor includes an assembly having a magnetic core and a coil that has a winding portion, and a temperature sensor that measures the temperature of the reactor. The magnetic core has an inner core portion that is inserted into the winding portion, and a sensor disposition groove is formed in an outer peripheral face of the inner core portion and is disposed inside the winding portion. The temperature sensor is provided inside the sensor disposition groove. According to this configuration, it is possible to precisely measure the temperature of the magnetic core while the reactor is operating.

Abstract: A case structure of a power equipment unit includes: a case body having an upper portion opened to accommodate a power equipment; a lid member which covers the upper portion of the case body; and a cover member which is attached to the lid member and covers at least a first opening part formed in the lid member. The cover member has an intake port, the lid member has a second opening part which is provided with a maintenance/inspection plug of the power equipment so as to be adjacent to the first opening part, a space part is formed between the cover member and the lid member, the space part has a drain passage for discharging liquid to the outside, and the second opening part and the drain passage are located opposite to each other with the first opening part interposed therebetween.

Abstract: A cooling system includes a cooling circuit that has a circulation pump circulating a coolant containing antifreeze solution and cools down, by means of the coolant, a power element mounted in a power converter for an on-vehicle rotary electric machine; a control signal calculation unit that calculates heat quantity generated by the power element; a power element temperature sensor that detects the temperature of the power element; and a coolant temperature sensor that detects the temperature of the coolant. The control signal calculation unit calculates, on the basis of the heat quantity, the temperature of the power element, and the coolant temperature, power element cooling performance that is the amount of heat transferred from the power element to the coolant per unit temperature difference, and lowers the driving power of the circulation pump when the calculated power element cooling performance is greater than a predetermined criterion.

Abstract: An improved transformer arrangement of a wind turbine is provided. A wind turbine transformer arrangement comprises a transformer that is arranged in the wind turbine. The transformer comprises a housing. The transformer housing is filled with an oil. The transformer arrangement comprises at least one decompression chamber and the interior of the transformer housing is connected to the interior of the decompression chamber by a pressure release tube in a way that an increase in the pressure in the transformer housing due to a malfunction of the transformer is transferred through the pressure release tube into the decompression chamber.

Abstract: A vehicle electrical power system includes a variable voltage converter. The variable voltage converter includes an inductor assembly having a housing that defines a chamber containing dielectric fluid. An inductor is disposed within the chamber and is in contact with the fluid. The power system also includes a pump configured to circulate the dielectric fluid to cool the inductor.

Abstract: Systems and methods that allow for weight and size reduction of electronics components, such as transformer rectifier units (TRUs) or autotransformer rectifier units (ATRUs), by providing a fluid cooling system is utilized to provide high heat dissipation for a transformer assembly of TRUs or ATRUs by providing a thermal interface at the windings of the transformer assembly, which are the hottest spots in such assemblies. The cooling system may include a fluid-cooled winding heat sink element or “finger,” which may be a thermally conductive bar (e.g., aluminum, copper) having microchannels therein positioned between the core and windings of a transformer or between turns of the windings of a transformer. Fluid passes through the microchannels of the heat sink element to provide direct cooling to the heat generating windings of the transformers. The heat sink element may be produced by an additive manufacturing technology.

Abstract: A method for assembling a power conversion device is provided. The method includes mounting an electronic component on a heat-dissipating base, and electrically connecting a printed wiring board with the electronic component mounted on the heat-dissipating base.

Abstract: A magnetic core includes a first core having a predetermined magnetic permeability and a second core formed of the same material as the first core. The second core forms a closed magnetic circuit together with the first core. The second core is configured to radiate heat through a heat radiating unit. At least one of the first core and the second core is configured to be wound with a coil. The magnetic core includes a third core that is arranged between the first core and the second core and has a lower magnetic permeability than the first core.

Abstract: The disclosure relates to an amorphous transformer core including at least one transformer core disc with a plurality of layers of strip-like amorphous core material arranged concentrically around at least one winding window. At least one heat dissipating plate extends into an interior of the amorphous transformer core and is fed from there into at least one heat exchange region outside the amorphous transformer core. This can enhance dissipation of heat energy which is produced inside the amorphous transformer core.

Abstract: An electromagnetic device arrangement includes a transformer assembly having a core, windings, and a housing disposed around at least a portion of the core and windings. An enclosure at least partially encloses the transformer assembly. The transformer assembly is mounted to a first portion of the enclosure such that heat is transferred from the transformer assembly to the first portion of the enclosure. A second portion of the enclosure has an extension extending therefrom such that the extension is placed in thermal contact with the transformer assembly to transfer heat from the transformer assembly to the extension.

Abstract: An electrical device includes a winding including an interior portion and an exterior surface, a primary cooling system for cooling the exterior surface of the winding, a secondary cooling system for cooling the interior portion of the winding, and a heat exchanger thermally coupled to the primary cooling system and the secondary cooling system.

Abstract: A dry type economizer includes an economizing unit formed of a plurality of bodies, each body including a silicon-steel layer, an insulating layer surrounding the silicon-steel layer, a plurality of windings surrounding the insulating layer, and reactance elements and reactance filter converters respectively electrically connected to the windings, each winding being formed of a wire material having an increased wire diameter larger than a standard wire diameter of 3.5 mm. Thus, each body eliminates the use of any insulating oil, and has an increased volume to provide a large surface area in contact with the atmosphere for quick dissipation of heat during operation of the reactance elements.

Abstract: The invention comprises an electrical apparatus and method of manufacture. The apparatus includes a substantially annular inductor comprising an inductor core composed of at least a distributed gap material. The distributed gap material includes particles of alternating layers of magnetic and non-magnetic materials separated by a gap material. The particles comprise an average layer thickness of less than about one hundred micrometers, where a majority of said layered particles comprise an average cross sectional size of less than about one millimeter. The inductor is cooled using at least one of: a thermally conductive potting material, a liquid coolant in direct contact with the inductor, a cooling line through the potting material or liquid coolant, and a chill coil in a container about the potting material and/or the liquid coolant.

Abstract: Described herein are improved configurations for a wireless power transfer. Described are methods and designs to reduce and manage heating and heat dissipation in resonator structures. Configuration and orientation of magnetic material as well as heat sinking material with respect to the dipole moment of the resonator is used to reduce and control thermal properties of the resonator structure and reduce the effects of heating on the performance of wireless power transfer.

Abstract: A magnetic component such as a transformer or inductor comprises one or more litz-wire windings and one or more metallic cooling tube windings. Each litz-wire winding is wound together with a corresponding single metallic cooling tube winding on a common bobbin to provide an indirectly-cooled magnetic component.

Abstract: A cooling structure for a magnet-equipped reactor includes: a magnet-equipped reactor (60) having a core (61) around which a coil (70) is wound, and a magnet (75) arranged to contact the core (61); and a cooling member (51) arranged to contact the magnet (75) of the magnet-equipped reactor (60) to cool the magnet (75).

Abstract: An induction device includes a first core made of a ferrite material, a second core made of a material having a lower magnetic permeability than the ferrite material and a higher saturation magnetic flux density than the ferrite material, a cooling device and a coil. The first core and the second core cooperate to form a closed magnetic circuit. The first core includes a contact surface cooled by the cooling device and a first magnetic leg extending so as to intersect with the contact surface and toward the second core. The second core includes a second magnetic leg extending so as to intersect with the contact surface and toward the first core and disposed to be wound around by the coil.

Abstract: An inductor comprises a ferromagnetic core, a litz wire conductor encircling the ferromagnetic core, a housing, a bobbin, a conductive pin, and a seal assembly. The housing encloses the ferromagnetic core and the litz wire conductor. The conductive pin is conductively attached to the litz wire conductor, and extends therefrom to form an external electrical contact. The bobbin supports the litz wire conductor and positions the conductive pin in alignment with an aperture in the housing which is sealed against fluid egress by the seal assembly.

Abstract: A dry-type network transformer has a core and coil windings insulated by a combustion-inhibiting gas. The combustion-inhibiting gas, core and coil windings are disposed within a hermetically-sealed enclosure. The combustion-inhibiting gas is air, an inert gas or a mixture of gases. The dry-type network transformer may be connected to a network protector. The network protector is further connected to a secondary network. The network protector prevents power from flowing from a secondary network to the primary side of the transformer. The dry-type network transformer is installed in a vault that is underground or at ground level. The dry-type network transformer may be suspended near the ceiling of the vault or installed at the base of the vault.

Abstract: An inductor includes a magnetizable core with a winding axis and at least one winding. The winding is formed by a conductor which at least partly surrounds the winding axis of the core. The winding is formed in one layer and a cross section of the conductor is rectangular, in particular square.

Abstract: An electrical device including a cellulose based electrically insulating composite material in the form of a paper or pressboard, the composite material having cellulose fibres; and an electrically insulating thermoplastic polymer material; wherein the polymer material is arranged around and between the cellulose fibres, and binds the fibres to each other.

Abstract: A reactor includes an annular core, coils, a sensor detecting a state of the reactor, and a connector outputting signal from the sensor. Resin-molded bodies are provided around the annular core. The resin-molded body has bobbins for the respective coils and core covering portions formed integrally with each other. An exposed area where no resin covers the bottom of the core is formed in the lower face of the covering portions. A holder to fasten the connector is formed integrally with the upper portion of the covering portion. An assembly including the resin-molded bodies in which the annular core is embedded, and the coils wound around the bobbins are retained in a metal casing. A clearance is formed between the assembly and the casing, and a filler is filled in this clearance. The filler covers the exposed area of the core bottom.

Abstract: A method of manufacturing a coil support member in which a thermosetting or thermoplastic material is introduced into a mould cavity and hardened, wherein one or more components are positioned within the mould cavity during the manufacturing process before the thermosetting or thermoplastic material is introduced, the components are then embedded in the thermosetting or thermoplastic material and form an integral part of the coil support member, and one or more functional filler materials are added to the thermosetting or thermoplastic material to improve the thermal matching between the integral components and the thermosetting or thermoplastic material.

Abstract: A reactor is provided with a coil, a core, and a case. The coil generates magnetic flux in response to supply of current thereto. The core is made of magnetic powder-containing resin filled in spaces inside and outside of the core. The case accommodates therein the coil and the core. The reactor is also provided with a cooling pipe (cooling member), which is arranged to be in contact with the core. A power converter is provided with semiconductor modules, a cooler, and the reactor. In the power converter, the cooler is arranged partially being in contact with the core of the reactor.

Abstract: A transformer includes an enclosed tank having an interior and an enclosed radiator spaced from the tank and in fluid communication with the interior. The radiator includes two panels joined to define a substantially enclosed space. The panels have opposing faces and bottom ends. The bottom ends of the panels are joined together by a first weld and portions of the opposing faces of the panels are joined together by a plurality of second welds. The first weld and the plurality of second welds are constructed and arranged such that when an over-pressure condition occurs in the tank and thus in the radiator, the second welds will break generally uniformly permitting the panels to balloon generally uniformly, directing a rupture of the radiator to occur at the first weld, without any rupture of the tank occurring.

Abstract: A device connectable to an electric power line conductor including an electrically conductive insulated wire wound at least twice. A first end of the wire is configured to be connected to a first power line conductor and a second end of the wire is configured to be connected to a second power line conductor. A housing is mountable to the wire and includes an iron core power supply transformer configured to surround the wire to power a power supply module.

Abstract: An electrical coil assembly includes a first housing and a second housing that surroundingly encloses the first housing. The coil assembly includes a ferrite layer and a thermally-conductive silicone layer that overlies the ferrite layer. A wire conductor surrounds the first housing. A structure is received in an opening defined in the first housing to be in thermal communication with the thermally-conductive silicone layer. Another thermally-conductive silicone layer overlies the first housing and the structure so that the structure is also in thermal communication therewith. A metal layer further overlies the thermally-conductive silicone layer that overlies the first housing. The second housing includes a non-dielectric cover and a dielectric cavity portion that receives the first housing. The coil assembly is associated with an electrical charging system that electrically charges an energy storage device disposed on a motorized vehicle.

Abstract: The disclosure relates to a transformer coil which can be cooled by a heat pipe and has a primary winding and a secondary winding and relates to a transformer which is formed from transformer coils which can be cooled in this way. The heat from the transformer coil is dissipated by the heat pipe. The evaporator of the heat pipe is arranged in the area of the windings and forms at least one extensive evaporator segment, which extends in the circumferential direction of the windings and along the winding axis of the transformer coil and in the process covers a multiplicity of the turns of the secondary winding.

Abstract: A vehicle is provided with a transmission having an inductor assembly. The inductor assembly is mounted within the transmission such that it is directly cooled by transmission fluid through at least one of spraying, splashing and immersion. The transmission includes at least one gear that is configured to, when rotating, transmit torque between an input and output of the transmission and splash fluid onto the inductor assembly to cool the inductor assembly.

Abstract: A reactor including an assembly of a coil, a magnetic core on which the coil is disposed, and a case that houses the assembly. The case includes an installation face, a side wall that is removably attached to the installation face and surrounds the periphery of the assembly, and a heat dissipation layer formed on the inner face of the installation face and interposed between the installation face and the installation-side face of the coil. The installation face consists of aluminum, the side wall consists of an insulating resin, and the heat dissipation layer consists of an adhesive with high thermal conductivity and excellent insulation. The installation face is separate from the side wall, making it easy to form the heat dissipation layer, and having excellent heat dissipation. The side wall consists of an insulating resin, thus reducing the gap between it and the coil.

Abstract: A system comprises a tank, a radiator connected to the tank, and a component situated within the tank and susceptible to creating increasing pressure within system when under a fault condition. The radiator is configured to directionally vent pressure under excessive pressure conditions.

Abstract: A rupture resistant system comprises a tank comprising a top member, a sidewall member, and a bottom member, and a component situated within the tank and susceptible to creating increasing pressure within the tank when under a fault condition. At least one of the top, sidewall, and bottom members is connected to another of the top, sidewall, and bottom members in a manner so as to cause an increase in inner volume of the tank under increased pressure conditions.

Abstract: An immersion cooled inductor includes an inductor at least partially submerged in cooling liquid and a localized boiling feature operable to instigate boiling of the cooling liquid prior to oversaturation.

Abstract: A transformer system includes a cabinet and at least one toroidal transformer with each toroidal transformer being supported in a cradle. Each cradle is mounted in the cabinet and supports its toroidal transformer in a vertical or horizontal orientation such that a central air-filled region thereof is arranged in a substantially horizontal or vertical orientation, respectively. The cradle supports active and passive cooling arrangements for the toroidal transformer, while also providing modular attributes for the transformer system.

Abstract: An electric transformer comprising: a magnetic core; at least one coil assembly which is positioned around a portion of the magnetic core and comprises a plurality of windings; a structure adapted for applying a clamping force on the magnetic core and/or the windings; and a cooling circuit adapted for conveying cooling fluid directly inside the coil assembly.

Abstract: A dry-type transformer heater includes a closed housing, and at least one transformer winding arranged in the housing. The at least one transformer winding includes at least one corresponding winding conductor and a corresponding insulation layer surrounding the transformer winding, respectively. In addition to the respective winding conductor, at least one coil heating wire is provided in at least one of the insulation layer and on the surface of the insulation layer to input thermal power into the respective insulation layer.

Abstract: A converter including a reactor as one of a component for the converter, the reactor comprising: a coil; a core having an inner core portion arranged inside the coil and an outer core portion covering the outside of the coil; and a case housing the coil and the core, wherein the case has a heat-radiation structure at an inner wall surface, the heat-radiation structure being provided for at least one of the coil and the inner core portion, wherein the heat-radiation structure is non-similar to an outer wall surface of the case, and is formed of the inner wall surface that is formed to correspond to an external shape of the at least one of the coil and the inner core portion.

Abstract: At least two winding modules nested hollow-cylindrically one inside the other and extending around a common winding axis, wherein said winding modules are spaced radially apart from one another within at least one hollow-cylindrical cooling channel arranged therebetween by means of insulation strips, wherein the insulation strips have a cross-sectional form which avoid a surface profile radially with respect to the winding axis, the insulation strips including one of a fiber-reinforced epoxy, polyester resin, or from an unreinforced thermoplastic material.

Abstract: An iron core winding assembly comprises a coil rack and an iron core structure coupled with the coil rack. The coil rack includes a winding portion, a through hole located in the winding portion and at least one lateral wire exit portion extended from the winding portion. The iron core structure includes two end walls and two axial magnetic cylinders located between the two end walls, and two top walls and two bottom walls located between the two end walls to cover the winding portion. Each axial magnetic cylinder runs through the through hole. Each top wall forms a wire exit notch with the bottom wall run through by the lateral wire exit portion. The iron core winding assembly thus formed is positioned transversely on an electronic baseboard at a desired height. By separating the winding portion and electronic baseboard via the bottom wall, electromagnetic interference can be avoided.