200results about "Butt joining bus-bars" patented technology

A method for forming a protected disconnectable joint assembly includes providing a disconnectable joint assembly. The disconnectable joint assembly includes: an electrical transmission power cable including a conductor and a cable insulation layer covering the conductor, the conductor having a terminal end; an electrically conductive cable connector affixed to the terminal end of the power cable and having a connector coupling portion; a busbar including an electrically conductive busbar body, a busbar coupling portion extending from the busbar body, and a busbar insulation layer covering the busbar body; and a disconnectable coupling mechanism mechanically securing the cable coupling portion to the busbar coupling portion to provide a joint between the cable and the busbar. The disconnectable coupling mechanism is selectively operable to disconnect the cable connector from the busbar without severing the cable. The method further includes: providing a joint cover assembly including a tubular, elastomeric cold-shrinkable sleeve body; maintaining the joint cover assembly in an expanded state using a removable holdout device mounted within the sleeve body; mounting the joint cover assembly on the holdout over the joint between the cable and the busbar; and thereafter removing the holdout device from the joint cover assembly to release the sleeve body to contract onto the disconnectable joint assembly such that the sleeve body circumferentially surrounds the joint between the cable and the busbar, overlaps portions of the cable insulation layer and the busbar insulation layer adjacent the joint, and applies a persistent radially compressive load on the cable insulation layer and the busbar insulation layer.

A busway joint pack includes a pair of opposing phase connector plates, a first insulating sheet, a second insulating sheet, a first side panel, and a second side panel. The busway joint pack passively transfers thermal energy generated in its core to an exterior housing such that the thermal energy is dissipated or transferred to the surrounding environment, which reduces the internal temperature of the joint pack. The first and the second insulating sheets are positioned and selected with a particular thermal resistance and dimensions such that a portion of the thermal energy generated in the core of the busway joint pack is transferred from the pair of opposing phase connector plates to the external housing.

A busway joint pack includes a first connector plate and a second connector plate that is spaced from the first connector plate such that the connector plates are configured to engage a pair of phase-conductors of a pair of busway sections. The busway joint pack further includes a first insulator assembly and a second insulator assembly. Each of the insulator assemblies includes a heat sink and two electrically insulating sheets on either major side surface of the heat sinks. The insulator assemblies are positioned adjacent to the connector plates such that the insulating sheets electrically insulate the heat sinks from the connector plates. Side panels are positioned adjacent to the heat sinks and abut end surfaces thereof to aid in transferring heat generated in the busway joint pack to the surrounding environment via the heat sinks and side panels.

An adjustable length busway joint for coupling a first and a second busway section, the first and second busway sections being longitudinally offset, is disclosed. The busway joint includes a first plurality of splice plates and a second plurality of splice plates disposed to overlap to form an electrical joint. The first and said second pluralities of splice plates are arranged for a longitudinal movement with respect each other between a first compressed position and a second extended position. The busway joint further includes a third plurality of splice plates. Each splice plate of the second plurality of splice plates overlaps a portion of a corresponding splice plate of the third plurality of splice plates to form an electrical joint. The third and second pluralities of splice plates are arranged for a longitudinal movement with respect each other between a third compressed position and a fourth extended position.

A busway joint pack for joining busway conductor sections has a heat sink assembly with an interstitial heat sink portion sized to fit between its connector plates; an exterior heat sink portion projecting beyond the exterior surface of a side panel of the joint pack; with the interstitial heat sink portion having thermal conduction to the exterior heat sink portion; to attain cooler operation. The heat sink may include thermally conductive dielectric materials or metals, or both, or other thermally conductive materials used with the thermally conductive dielectric materials.

A transformable bus slot connector is connected between bus slots; the length of the connector varies based on the change of distance (or gap) caused by product error or installation error so as to ensure the convenient electric connection between bus slots. A conductive element for electric connection is provided in the bus slot. The transformable bus slot connector includes: a fixed insulating plate; first and second movable conductive plates provided below the fixed insulating plate so as to be independently move; third and fourth movable conductive plates provided below the first and second movable conductive plates and spaced at certain gap away from the first and second movable conductive plates through an insulating separation member; and a movable insulating plate provided on lower surfaces of the third and fourth movable conductive plates and contacting therewith so as to move along the third and fourth movable conductive plates. The invention can realize the convenient electric connection of the bus slots and can control the distance error between bus slots by simple means.

A coupling assembly is provided for an electrical busway having a first section and a second section. The coupling assembly includes a plurality of electrical conductors that electrically connect the first and second sections of the electrical busway. A plurality of electrical insulators are positioned to electrically insulate the plurality of electrical conductors. The coupling assembly is structured to offset the first section of electrical busway a predetermined, non-zero distance from the second section of electrical busway.

The invention belongs to the technical field of cable installation, particularly relates to a bus duct and a bus duct joint thereof. Aiming at the problems that the resistance of a bus duct at a jointis large, heating is easy to occur, particularly, the temperature of the core-penetrating bolt is easily increased, and some core-penetrating bolts need to be fastened regularly, the following schemeis provided: the bus duct comprises two main bodies, conducting bars are arranged in the two main bodies, inclined surface openings are formed in the top ends and the bottom ends of one sides of theconducting bars, protective sleeves are arranged outside the two main bodies, and circular through holes are formed in the top ends and the bottom ends of the protective sleeves. According to the invention, the moving plate is moved through the fastening bolts, so that an insulating sheet moves until the two sides of each conducting strip make contact with the conducting bar, the fastening bolts continue to be twisted, the conducting strips begin to be bent and are tightly attached to the openings of the slopes of the conducting bars, the contact area is increased, every two adjacent conducting strips clamp the conducting bar, the fastening bolts are located on the two sides of the protective sleeve, the fastening bolts are not prone to temperature rise, and the stability of the fasteningbolts is improved.

A bus bar component connection apparatus including an electrically conductive bus bar having a thickness and at least one bore, the bore having a diameter, a male bushing portion including a body having two opposing planar surfaces, at least one shoulder extending from the body at a first end and including a threaded portion disposed toward a second end and spaced from the first end by an undercut portion, and an axial bore through the body and the shoulder, a female bushing portion having two opposing planar surfaces, a first end, a second end, and an inner surface including a threaded portion disposed toward the second end and spaced from the first end by a first smooth portion, and wherein the female bushing portion is configured to threadably receive the shoulder through the hole of the bus bar.

A busbar assembly for conducting current is disclosed. The busbar assembly includes a first metal-extruded busbar having a first body and a first end-surface substantially vertical to an axis of the first body; a second metal-extruded busbar having a second body; and a connecting bar having a corresponding first end and a corresponding second end. The first end is buried to the first body of the first busbar and the second end extending from the first end-surface of the first metal-extruded busbar is buried to the second body of the metal-extruded busbar, whereby the first metal-extruded busbar is electrically connected to the second metal-extruded busbar through the connecting bar.

A joint sleeve is proposed for connecting busbar sections, each having connectable contacts. In an embodiment, the sleeve includes—a non-magnetic case defining butt ends occluded with non-magnetic flanges each having a hole securing the respective busbar section therein,—a fire-resistant coating covering the case,—an electrically insulated supporting tube disposed within the case and defining a chamber therein, enclosing the connectable contacts,—a grounding screen mounted on the supporting tube, and—a fire-resistant layer disposed between the case and the screen capable of thermal expansion upon heating thereof, thereby improving fire-resistance. Instead of the fire-resistant layer, another embodiment includes an annular air chamber formed between the case and the supporting tube, while the annular chamber is in communication with hollows, and the supporting tube is closed by another pair of flanges with holes securing the respective busbar sections. The sleeve allows for improving fire-safety of power consuming facilities.

A data transceiver system may include an error corrector. The error corrector may include a plurality of delay units, each delay unit being configured to delay a corresponding data signal among a plurality of data signals by a time in response to a corresponding delay code among a plurality of delay codes and outputting the delayed data signal, an error detector configured to receive the plurality of delay codes, determine whether an error has occurred, and output an error signal according to the determination in a data frame lock operation, and a delay controller configured to set initial values of the plurality of delay codes to a predetermined value, vary and output each of the plurality of delay codes in response to a lock signal, and reset initial values the plurality of delay codes in response to the error signal in the data frame lock operation.

A busway system is provided. The busway system includes a first electrical busway section, a second electrical busway section, and a busway joint. The first and second electrical busway sections are disposed longitudinally offset from each other. The busway joint couples the first and second busway sections. The busway joint includes a plurality of busbars, a plurality of splice plates coupled to the busbars, and a vise brace surrounding the busbars and the splice plates. The splice plates and the busbars electrically couple the first and second electrical busway sections. The vise brace includes a clamp screw to selectively provide a compressive force to the busbars and the splice plates.

The invention discloses a turning angle-adjustable bus duct, which relates to circuit conductors and is intended into solve the problem that turning angles are lacked. The turning angle-adjustable busduct is characterized that the turning angle-adjustable bus duct comprises two bus duct bodies, each bus duct body comprises a shell and a plurality of copper bus conductors inserted in the shell, aconnector, the section of which is shaped like a U-shaped opening, is arranged between the two bus duct bodies, and the adjacent ends of the two bus duct bodies are articulated, and are rotatably connected to the U-shaped opening of the connector; a plurality of conductive connecting bodies are arranged in the connector, each conductive connecting body comprises two conductive copper plates articulated with each other and conductive sleeves arranged at the movable ends of the two conductive copper plates, and the copper bus conductors are inserted in the conductive sleeves. According to the turning angle-adjustable bus duct provided by the invention, the turning angle of the bus duct can be adjusted according to an actual laying condition, so that the adaptability of the bus duct is improved.

A busway system is provided. The busway system includes a first electrical busway section and a busway joint. The busway joint includes a plurality of conductors spaced apart in parallel and a first assembly. The conductors and the first assembly are coupled to the first busway section. The first assembly includes a plurality of insulation laminations spaced apart to define a plurality of gaps, a plurality of insulating spacers positioned within the gaps adjacent the conductors, and a plurality of bracing fasteners extending through the insulation laminations and the insulating spacers. Each gap receives at least one conductor. A width of the gap is substantially filled by the conductors and the insulating spacers. The bracing fasteners secure the conductors within the first assembly.

The invention discloses a connection column for reducing temperature rise at an electrician busbar lap joint part, belonging to the field of electrical equipment, and specifically relates to a connection column for an electrical busbar. The connection column is provided with a first cylindrical portion which is in interference fit with a pre-drilled hole in an electrician busbar, wherein the first cylindrical portion is provided with conductivity; a second cylindrical portion with conductivity is coaxially arranged in the first cylindrical portion; the first cylindrical portion is in interference fit with the second cylindrical portion; and the thermal expansion coefficient of the second cylindrical portion is greater than the thermal expansion coefficient of the first cylindrical portion. The connection column for reducing temperature rise at an electrician busbar lap joint part has the advantages that 1) the same lap joint length can generate larger conductive area, so that the current density can be reduced and the low temperature rise of the busbar can be realized; 2) the use level of the busbar is reduced so that the resource is saved; 3) the electric clearance or the phase spacing can be enlarged, so that the electrical safety of equipment is improved; and 4) the wiring width of the busbar is reduced, so that the occupied space of the busbar can be reduced.

A splice sleeve retainer for securing a sleeve to a leg of an electrical joint body has a retention axis and includes at least one connecting strap extending along the retention axis, and first, second and third coupling members secured to the at least one connecting strap at axially spaced apart locations along the at least one connecting strap. The splice sleeve retainer is configured such that, when the sleeve is installed on the leg and the splice sleeve retainer is installed on the sleeve: the first coupling member engages the sleeve at a first axial location; the second coupling member engages the sleeve at a second axial location nearer the leg than the first axial location; and the third coupling member engages the joint body to resist axial displacement of the sleeve relative to the leg.