Abstract: The pyrotechnical disconnection unit for impairing, preferably interrupting, an electrical charge coupling between a chargeable electrical energy cell, particularly comprising an electrical energy storage and an energy converter, and an electrical energy supply, such as a charging device, provides an electrically conductive connection section, such as an electrically conductive cable, an electrically conductive path or such, via which electrical charging energy is supplied from the energy supply of the electrical energy cell, a housing, in which the connection section is arranged, and a pyrotechnical means accommodated inside the housing being designed and/or being controllable in such a way that it unfolds its pyrotechnical effect when reaching a predefined operational state, wherein the pyrotechnical means is attributed to the connection section in such a way that the pyrotechnical effect of the pyrotechnical means at least limits, preferably suspends, the electrical conductivity of the connection section i

Abstract: Disclosed are various protection devices and associated methods. In some embodiments, a protection device may include a fuse assembly having a fusible link extending between a first lead end and a second lead end, and a first lead extending from the first lead end and a second lead extending from the second lead end. The protection device may further include a body including a first section coupleable with a second section, wherein the first and second sections define a central cavity housing the fusible link. The first section may include an interior face operable to engage an opposite interior face of the second section, an engagement member extending away from the interior face towards the second section, and an engagement channel adjacent the engagement member, the engagement channel operable to receive a corresponding engagement member of the second section.

Abstract: The present disclosure provides a power module assembly and a converter. The power module assembly includes a power module and a capacitor module, and the power module and the capacitor module are configured to be detachably connected; the power module includes a first bus bar, and the first bus bar includes a first connection portion and a power installation portion connected to the first connection portion; the capacitor module includes a second bus bar, and the second bus bar includes a second connection portion and a capacitor installation portion connected to the second connection portion, wherein the first connection portion and the second connection portion extend along a first direction, and the power installation portion and the capacitor installation portion extend along a second direction; the first connection portion and the second connection portion are connected by a fastener.

Abstract: The invention relates to an use of a melting conductor (1) for a DC fuse (2) and a high-voltage high-power fuse (2) (HH-DC fuse), wherein the melting conductor (1) comprises an electrically conductive melting wire (3), wherein the melting wire (3) comprises at least two overload narrow sections (4) in the form of a cross-sectional constriction, wherein, preferably between the two immediately successive overload narrow sections (4) a first layer (7) comprising solder and/or surrounding the outer shell surface (6) of the melting wire (3) circumferentially at least in some areas, preferably completely, is provided in at least one first section (5), and wherein a second layer (9) surrounding the outer shell surface (6) of the melting wire (3) circumferentially at least in some areas, preferably completely, is provided adjacent to each of the overload narrow sections (4) in a respective second section (8).

Abstract: A thermal interface material (TIM) structure for directing heat in a three-dimensional space including a TIM sheet. The TIM sheet includes a lower portion along a lower plane; a first side portion along a first side plane; a first upper portion along an upper plane; a first fold between the lower portion and the first side portion positioning the first side portion substantially perpendicular to the lower portion; and a second fold between the first side portion and the first upper portion positioning the first upper portion substantially perpendicular to the first side portion and substantially parallel to the lower portion.

Abstract: An electric circuit breaker device includes: an igniter; a projectile that is disposed in a movement path, the projectile formed to be movable by actuation of the igniter; and a conductor piece that forms one portion of a predetermined electric circuit, the conductor piece having both end portions connected to respective other portions of the predetermined electric circuit, the conductor piece having a first portion between both the end portions arranged to traverse the movement path. A sensor is connected to a first part positioned between both the end portions and to a second part that is between both the end portions and is different from the first part, the sensor configured to detect current flowing through the conductor piece between both the end portions, the sensor disposed to be integrated with the conductor piece. The actuation of the igniter is controlled, based on the current detected by the sensor.

Abstract: The present disclosure relates to the field of power electronics, and proposes a power conversion system, including a power cabinet, a first divider and a plurality of power modules. The power cabinet includes a first high voltage compartment and a first low voltage compartment. The first divider is arranged in the power cabinet, and extends along a height direction of the power cabinet to separate the first high voltage compartment and the first low voltage compartment. The plurality of power modules are arranged in the power cabinet, each power module includes a high voltage input terminal and a low voltage output terminal; the high voltage input terminal is arranged in the first high voltage compartment, and the low voltage output terminal is arranged in the first low voltage compartment.

Abstract: A server device includes a casing, an electronic assembly, a cover, and a heat dissipation device. The electronic assembly includes a circuit board and at least one heat source. The circuit board is disposed on the casing, and the heat source is disposed on the circuit board. The cover is slidably disposed on the casing. The heat dissipation device includes at least one air cooling heat exchanger and at least one liquid cooling heat exchanger. The air cooling heat exchanger is fixed on and thermally coupled with the heat source. The liquid cooling heat exchanger is fixed on the cover and thermally coupled with the air cooling heat exchanger.

Abstract: A novel fuse assembly design utilizes a fuse body, a single-piece terminal assembly and a two-piece endbell. The terminal assembly is disposed within the fuse body and includes first and second opposing surfaces with a fuse element extending between a first terminal and a second terminal. The endbell, to be connected to the fuse body, includes first and second endbell portions. Formed within the first endbell portion is a first receptacle and extending from the first endbell portion is a first protrusion. Formed within the second endbell portion is a second receptacle and extending from the second endbell portion is a second protrusion. When the two endbell portions are fastened to one another with the terminal assembly sandwiched between them, the first protrusion engages the second receptacle and the second protrusion engages the first receptacle.

Abstract: An electrical device assembly and method to attach an isolated single stud fuse assembly to an electrical device are disclosed. The electrical device assembly consists of multiple studs, one or more of which is replaced with the isolated single stud fuse. A conductive copper landing zone receives an electrically isolated steel stud. When the landing pad assembly is orbital riveted into a plastic housing of the electrical device, the stud is locked into the housing permanently. Electrical devices such as disconnect switches and power distribution modules, both of which include multiple studs, are good candidates for being adapted with the single stud fuse assembly.

Abstract: A fuse including a fuse body having a main body portion formed of a dielectric material, a plurality of arc chambers formed in the main body portion, the arc chambers arranged in a matrix configuration, a conductor extending through the main body portion and intersecting the arc chambers, the conductor having bridge portions disposed within the arc chambers, the bridge portions being mechanically weaker than other portions of the conductor and configured to melt and separate upon the occurrence of an overcurrent condition in the fuse.

Abstract: A high-voltage fusing apparatus includes a current fuse, a temperature fuse, and a current-carrying fuse. The current fuse is connected in series with the temperature fuse, and a series branch of the current fuse and the temperature fuse is connected in parallel with the current-carrying fuse. A resistance value of the current-carrying fuse is less than a resistance value of the current fuse, and a fusing temperature of the current-carrying fuse is lower than a fusing temperature of the temperature fuse. The high-voltage fusing apparatus can cut off a high-voltage circuit quickly, and effectively protect the high-voltage heating circuit from overheating.

Abstract: A circuit breaker system is provided; the circuit breaker system comprises of a transformer, a capacitor, a pulse generator, a EBWF fuse and a VCB, the circuit breaker system can interrupt rated load current, overload current, surge load current and short-circuit load current within 100 microseconds. The on-state voltage drop of the circuit breaker system is below 0.1V. The circuit breaker system interrupts load current by injecting a non-resonant pulse current to reduce the current between the contacts of the VCB, and circuit breaker system interrupts higher load current by detonating the EBWF fuse to force an open-circuit. The EBWF fuse comprises a detonator in the low terminal and a contacting bellows in the upper terminal. The EBWF fuse can be engaged and dis-engaged by a fuse holder system.

Abstract: A fuse assembly having an end cap that includes a recessed retention body. The recessed retention body can include first and second retention walls and an engagement surface. The first and second retention walls can extend at least in a generally outwardly direction from the retention surface to an outer surface of the end cap, and extend between first and second ends of the first end cap in a direction that is generally parallel to a central longitudinal axis of the fuse assembly. The engagement surface can have one or more walls that downwardly and outwardly extend in divergent directions from an apex of the engagement surface and toward a corresponding one of the first or second retention walls. The apex can be positioned at a central location between the first and second retention walls, and extends in a direction that is generally parallel to the central longitudinal axis.

Abstract: The present invention relates to a high breaking capacity strip fuse, comprising an insulating housing and a fusing element. The fusing element includes a fusible part, a first connecting terminal and a second connecting terminal which are arranged at two ends of the fusible part and are integrally connected with the fusible part; the fusible part is fixed in the sealed cavity of the housing, and the sealed cavity is filled with insulating material. The present invention provides a fuse filling with insulating material, such as Silicone, quartz sand, resin, ceramic powder/ceramic sand, steatite powder/steatite sand, or saponite powder/saponite granules, in the sealed cavity, to solve the problem of causing the air to ionize and triggering arcing phenomenon of existing fuse during overload.

Abstract: A heat dissipation structure is disclosed that is especially well-suited for use on aerodynamic systems. The heat dissipation structure is formed within a metallic body that surrounds the heat-generating electronics. The heat dissipation structure is designed to both dissipate the generated heat and also to isolate RF cross-talk between the one or more transmitters and receivers. The heat dissipation structure includes a plurality of ring structures that extend around at least a portion of a body that houses the one or more heat-generating electrical components. The plurality of ring structures may be recessed into the body, and a first spacing between a first adjacent pair of ring structures of the plurality of ring structures is different from a second spacing between a second adjacent pair of ring structures of the plurality of ring structures.

Abstract: A fuse housing for safe outgassing of a fuse is disclosed. The fuse housing features labyrinth walls disposed at opposing sides of the fuse housing. The labyrinth walls feature serpentine paths for the flow of outgassing material. At an end of the serpentine paths which is farthest away from a fuse element are vent channels. The vent channels are narrower in depth than that of the serpentine paths of the labyrinth walls, facilitating a suctioning effect during outgassing. Conductive material deposits along the serpentine paths so that the fuse maintains a high OSR rating. By directing and controlling the outflow of gases, the fuse housing is able to reduce the temperature of the gases produced. The fuse housing is also able to reduce the physical and observable effects of outgassing.

Abstract: An embodiment of an electric heating element is disclosed, including an electrically resistive inner heating element, an electrically resistive outer heating element, and a thermostat positioned underneath a centrally-positioned medallion and along a cold leg of the inner heating element. The thermostat is configured to selectively allow electrical current to be delivered to the inner heating element while maximum electrical current, for example, continues to be provided to the outer heating element. The thermostat cycles the electrical current on and off when detecting maximum and minimum desired temperatures radiated from the electric heating element. The inner heating element has a pair of cold legs that extend parallel to a pair of cold legs of the outer heating element, some or all of which may be supported by a terminal bracket.

Abstract: A cooling apparatus includes a cold plate with a first refrigerant channel through which refrigerant flows, and a pump to circulate the refrigerant. The cold plate includes a bottom wall and an upper wall. A lower surface of the bottom wall is in contact with a heating element. The upper wall is located in contact with the bottom wall. A lower surface of the upper wall and an upper surface of the pump directly oppose each other. A lower surface of the pump is exposed to an outside of the cooling apparatus.

Abstract: A thermal cutoff at least includes a current-carrying fusible element having two ends connected to a first electrode and a second electrode. The current-carrying fusible element is provided in a closed cavity bounded by a housing having an opening at one end, a cover plate, and a sealant. The thermal cutoff further includes a first lead wire and a second lead wire each wrapped by an insulating sheath. One end of the first lead wire and one end of the second lead wire are electrically connected to the first electrode and the second electrode. The sealant is filled in the opening of the housing, covers an electrical joint between the first lead wire and a first electrode plate and an end of the first lead wire, and also covers an electrical joint between a second electrode plate and the second lead wire and an end of the second lead wire.