Abstract: A liquid-cooled rectifier assembly includes first and second bus bars, each having at least one cooling channel formed therein, which are adapted and configured to carry a cooling fluid therethrough, and a first power diode array arranged between and in contact with the first and second bus bars. A third bus bar can be provided, along with a second power diode array.

Abstract: In accordance with at least one aspect of this disclosure, a rectifier assembly includes, at least, a first diode disposed between a first bus bar and a second bus bar. The rectifier assembly further includes, a first thermal management structure and a second thermal management structure. The first thermal management structure is configured to electrically connect the first bus bar to the first diode and be in thermal communication between the first bus bar and a first side of the first diode to transfer heat between the first bus bar and the first diode. The first thermal management structure is configured to transfer heat between the first bus bar and the first thermal management structure. The first thermal management structure is also configured to allow a fluid to flow therethrough to transfer heat from the first thermal management structure to the fluid flowing therethrough.

Abstract: In accordance with at least one aspect of this disclosure, a power distribution system having integrated cooling includes a chassis defining an interior cavity, an electronics bus structure housed within the interior cavity, and an electrical contactor operatively connected to the electronics bus structure to receive a voltage therefrom. One or more heat dissipation fins can be included extending away from the chassis and configured to dissipate heat from the electronics bus structure to an ambient environment external to the chassis. In embodiments, the electronics bus structure can be sealed within the interior cavity.

Abstract: A rectifier diode assembly is provided and includes first and second bus bars, a diode interposed between the first and second bus bars to define first and second spaces for fluid flow between the diode and the first and second bus bars, respectively, and first and second louvers. The first louvers are compressively interposed between the first bus bar and the diode to extend across the first space for thermally and electrically connecting the first bus bar and the diode. The second louvers are compressively interposed between the second bus bar and the diode to extend across the second space for thermally and electrically connecting the second bus bar and the diode.

Abstract: A transformer includes a housing having a base wall, a first side wall, a second side opposing wall, a third side wall joining the first side wall and the second side wall at a first end including a first cooling channel joining the first side wall and the second side wall at a first end, and a fourth side wall including joining the first side wall and the second side wall at a second end. The first, second, third, and fourth side walls collectively define an interior portion. A cover extends across each of the first side wall the second side wall, the third side wall, and the fourth side wall. A cooling system includes a first cooling channel disposed in the third side wall, a second cooling channel disposed in the fourth side wall, and a third cooling channel disposed in the cover.

Abstract: A liquid-cooled rectifier assembly includes first and second bus bars, cach having at least one cooling channel formed therein, which are adapted and configured to carry a cooling fluid therethrough, and a first power diode array arranged between and in contact with the first and second bus bars. A third bus bar can be provided, along with a second power diode array.

Abstract: In accordance with at least one aspect of this disclosure, a power distribution system having integrated cooling includes a chassis defining an interior cavity, an electronics bus structure housed within the interior cavity, and an electrical contactor operatively connected to the electronics bus structure to receive a voltage therefrom. One or more heat dissipation fins can be included extending away from the chassis and configured to dissipate heat from the electronics bus structure to an ambient environment external to the chassis. In embodiments, the electronics bus structure can be sealed within the interior cavity.

Abstract: A system comprises a first 3-phase rectifier having a positive DC lead and a negative DC lead and a second 3-phase rectifier having a positive DC lead and a negative DC lead. The system also includes a 4-phase, 3-level inverter connected to the first and second 3-phase rectifiers. A method comprises receiving variable frequency, 3-phase power from a first generator, receiving variable frequency, 3-phase power from a second generator, rectifying the variable frequency, 3-phase power from each of the first and second generators into DC power. And inverting the DC power into 4-phase, constant frequency power for powering a load.

Abstract: A generator control unit (GCU) having thermal control includes a GCU housing having a first side and a second side. A printed wiring board (PWB) is within the GCU housing between the first side and the second side. The PWB includes a component side that faces a first side of the GCU housing. At least one through via is positioned through a thickness of the PWB. At least one boss is positioned on the component side of the PWB. The at least one boss extends from a component of the PWB to the first side of the GCU housing.

Abstract: A transformer assembly includes a housing, a core within an interior of the housing, and at least one winding positioned around the core. The at least one winding and the core are mounted to the housing with potting material. At least a portion of a fluid circuit is defined within at least one wall of the housing. The at least the portion of the fluid circuit is defined through an opening in the at least one wall of the housing in fluid communication with the interior of the housing. A transformer assembly includes a housing, a core within an interior of the housing, at least one winding positioned around the core, and a fluid circuit defined at least partially within at least one wall of the housing being configured such that heat is transferred to the fluid from at least one of the core and the at least one winding.

Abstract: A system comprises a first 3-phase rectifier having a positive DC lead and a negative DC lead and a second 3-phase rectifier having a positive DC lead and a negative DC lead. The system also includes a 4-phase, 3-level inverter connected to the first and second 3-phase rectifiers. A method comprises receiving variable frequency, 3-phase power from a first generator, receiving variable frequency, 3-phase power from a second generator, rectifying the variable frequency, 3-phase power from each of the first and second generators into DC power. And inverting the DC power into 4-phase, constant frequency power for powering a load.

Abstract: A transformer includes a housing having a base wall, a first side wall, a second side opposing wall, a third side wall joining the first side wall and the second side wall at a first end including a first cooling channel joining the first side wall and the second side wall at a first end, and a fourth side wall including joining the first side wall and the second side wall at a second end. The first, second, third, and fourth side walls collectively define an interior portion. A cover extends across each of the first side wall the second side wall, the third side wall, and the fourth side wall. A cooling system includes a first cooling channel disposed in the third side wall, a second cooling channel disposed in the fourth side wall, and a third cooling channel disposed in the cover.

Abstract: A generator control unit (GCU) having thermal control includes a GCU housing having a first side and a second side. A printed wiring board (PWB) is within the GCU housing between the first side and the second side. The PWB includes a component side that faces a first side of the GCU housing. At least one through via is positioned through a thickness of the PWB. At least one boss is positioned on the component side of the PWB. The at least one boss extends from a component of the PWB to the first side of the GCU housing.

Abstract: A transformer assembly includes a housing, a core within an interior of the housing, and at least one winding positioned around the core. The at least one winding and the core are mounted to the housing with potting material. At least a portion of a fluid circuit is defined within at least one wall of the housing. The at least the portion of the fluid circuit is defined through an opening in the at least one wall of the housing in fluid communication with the interior of the housing. A transformer assembly includes a housing, a core within an interior of the housing, at least one winding positioned around the core, and a fluid circuit defined at least partially within at least one wall of the housing being configured such that heat is transferred to the fluid from at least one of the core and the at least one winding.

Abstract: A jackscrew assembly for a circuit board connector includes a jackset drive cap including drive cap threads and a jackset body. The jackset body includes first jackset body threads configured to mate with the drive cap threads and second jackset body threads configured to mate with a separate fixed connector fastener. The jackset drive cap and the jackset body are configured to retain a connector body therebetween in an assembled state while allowing the jackscrew assembly to rotate relative to the connector body.

Abstract: An inductor damper circuit includes a toroidal inductor having an inductor coil and an inductor housing, and a resistive element configured around a periphery of the inductor coil and having one end connected to the toroidal inductor, where the resistive element is printed on a flexible substrate and configured between the inductor coil and the inductor housing, and the resistive element is integrated with the toroidal inductor.

Abstract: According to an aspect, an inductor damper circuit includes a shared magnetic core, a primary winding, and a secondary winding. The primary winding includes an inductor winding of a first wire gauge wound about the shared magnetic core. The secondary winding includes a resistive damper winding of a second wire gauge that is less than the first wire gauge and wound about the shared magnetic core in contactless magnetic coupling with the primary winding.

Abstract: A power filter arrangement includes a toroidal package having a toroid and a resistive element. The resistive element is disposed about an outer circumference of the toroid and is joined to the toroid. The resistive element is wound about the toroid. The resistive element is provided with a first resistive pattern having an even number of total turns.

Abstract: According to an aspect, an inductor damper circuit includes a shared magnetic core, a primary winding, and a secondary winding. The primary winding includes an inductor winding of a first wire gauge wound about the shared magnetic core. The secondary winding includes a resistive damper winding of a second wire gauge that is less than the first wire gauge and wound about the shared magnetic core in contactless magnetic coupling with the primary winding.

Abstract: A friction stir welded component includes a channel body having a main surface and an elongated channel formed in the main surface. The elongated channel has a first depth portion that is longitudinally spanned by shoulders having a second depth, the second depth being shallower than the first depth. The body further has an abutting face that connects the main surface with one of the shoulders at an oblique angle relative to the main surface. A channel cover with an abutting face is seated against the abutting face of the channel body. A friction stir weld joint joins the channel cover to the channel body, wherein the friction stir weld joint is defined along abutting faces of the channel body and channel cover.