990results about "Bus-bar installation" patented technology

A bus system is disclosed for use with switching devices, such as power electronic devices. The system includes generally parallel bus elements that define electrical reference planes, such as for a dc bus. The bus elements are separated from one another by insulative layers, with additional insulative layers being available for separating the system from other circuit components. Portions of the bus elements are extended or exposed to permit connection to the circuit elements, including packaged switching circuits and energy storage or filtering circuits. The bus system may be conformed to a variety of geometric configurations, and substantially reduces parasitic inductance and total loop inductance in the resulting circuitry.

A bus bar holder for connecting electrode terminals of a plurality of batteries arranged in a lengthwise direction, the bus bar holder including a bus bar holder plate having an opening in a lengthwise direction thereof and configured such that at least some electrode terminals of the plurality of batteries are extendable through the opening and slidable along the opening; and a bus bar for electrically connecting at least two electrode terminals of adjacent batteries, wherein the bus bar holder plate includes a settling groove in which the bus bar is settled, and the bus bar attached to the electrode terminals is slidable when the electrode terminal slides along the opening.

A busbar assembly for electrically connecting a plurality of conductors includes a housing defining an interior cavity and first and second ports. The first and second ports each include a conductor passage and communicate with the interior cavity. The conductor passages are each adapted to receive a conductor therethrough. An electrically conductive busbar conductor member is disposed in the interior cavity. At least one holding mechanism is provided to selectively secure each of the conductors to the busbar conductor member for electrical contact therewith. Sealant is disposed in the conductor passages of each of the first and second ports. The sealant is adapted for insertion of the conductors therethrough such that the sealant provides a seal about the inserted conductors. The sealant may be a gel.

A capacitor bank includes a laminated bus bar having a high potential conductive layer and a low potential conductive layer disposed in close proximity at opposing surfaces of an intervening insulation layer. The bank also includes a plurality of bus capacitors electrically connected to the laminated bus bar. The laminated bus bar and the bus capacitors having a combined inductance sufficiently low such that the bus capacitors are electrically connected effectively in parallel with the laminated bus bar.

The present application discloses a laminated busbar arrangement for use in a three-level power converter and a power converter. The laminated busbar arrangement comprises a first layer of busbar comprising a neutral-point sub busbar congfigured to make electrical connections between respective components in the three-level power converter and a neutral-point potential; a second layer of busbar comprising a plurality of sub busbars congfigured to make electrical connections between the respective components in the three-level power converter and a positive direct current (DC) input, a negative DC input and an alternating current (AC) input/output in the three-level power converter, and between respective semiconductor switching components. The present application may effectively reduce stray inductance.

A semiconductor power conversion device includes two bridge-connected semiconductor switches, an output terminal, and first and second pairs of positive and negative direct current terminals. First conductors connect the negative direct current terminals of the first and second pairs with the output terminal through one of the two bridge-connected semiconductor switches, while second conductors connect the positive direct current terminals of the first and second pairs with the other of the two bridge-connected semiconductor switches. A housing is provided, which includes the two bridge-connected semiconductor switches, and at least a portion of the first conductor and of the second conductor as a multilayer structure formed by sandwiching an insulator between the first and second conductors inside the housing. The first and second pairs of direct current terminals are arranged on one side of one plane of the housing.

There is provided a bus bar which electrically connects two terminals respectively provided to two batteries with each other and is formed of at least one tabular conductor, the bus bar including two connecting portions which are connected with the two terminals, and a convex portion formed into a convex shape between the two connecting portions by curving the tabular conductor.

A motor having a busbar unit which is accommodated in a housing along with an armature includes a relay wherein the connection between the armature and the relay is secured. By virtue of such a configuration, reliability of the connection between the armature and the relay is improved. In the busbar unit, a plurality of first busbars and a plurality of second busbars each having a substantially arcuate shape are arranged so as to be circumferentially spaced apart from one another. The first busbars do not overlap with the second busbars in the axial and radial directions thereby reducing the dimensions of the motor in the axial and radial directions.

An improved conductive busbar assembly and power distribution track utilizing the improved conductive busbar assembly. The busbar assembly including an inner component adapted to engage a stab member of a plug-in unit and an outer component disposed about, and in contact with, the inner component. The inner and outer components are both formed from an electrically conductive material. The busbar assembly provides greater current-carrying capacity and permits take-off devices to be installed at any point along the busway run.

A method and apparatus for handling and/or stringing energized conductor for a high voltage power line conductor for a high voltage power line is provided. The method includes bringing components and workers to the same electrical potential and transferring power from one contractor to another. Associated apparatus is also described.

A busbar unit includes a plurality of busbars including a first busbar and a second busbar, an insulating holder in which each of the busbars is arranged, and an insulating member. The holder preferably includes a first groove portion including a first opening portion arranged to receive the first busbar, and a second groove portion arranged adjacent to the first groove portion and including a second opening portion arranged to receive the second busbar. The first busbar includes a first terminal arm portion arranged to extend across the second busbar, and the insulating member is arranged between the first terminal arm portion and the second busbar.

An LCD apparatus includes a backlight array in which a plurality of light emitting devices illuminate an LCD panel with a plurality of colors; a backlight driver driving each light emitting device to emit light and adjust light intensity; a signal analyzer analyzing an input video signal and outputting transform objective information on the basis of an analyzed result; and a controller controlling the backlight driver to adjust a display state of a picture displayed on the LCD panel on the basis of the transform objective information from the signal analyzer. A picture is displayed on an LCD panel to have wide range colors of color coordinates and includes a backlight unit having a short response time. A display state of a picture displayed on the LCD panel is adjusted by analyzing an input video signal and controlling a backlight unit.

The invention relates to a transmission equipment accessory, in particular to a bus duct jack box locking device for fixing a bus duct tap-off box on a transmission bus duct case. The locking device comprises clamping boards arranged on a shell of a jack box through rotating shafts. Lower ends of the clamping boards are provided with hooks which can hook a protruding part at the edge of the bus duct case. Upper ends of the clamping boards are provided with arc-shaped guide grooves taking the rotating shafts as circle centers. End parts of the inner sides of the arc-shaped guide grooves are provided with positioning holes with the diameter greater than the width of the arc-shaped guide grooves. The shell of the jack box is provided with threaded holes in which bolts are screwed. Front parts of the bolts are inserted through the arc-shaped guide grooves to be screwed into the threaded holes. Rod parts of the bolts consist of threaded sections and step positioning sections. The diameter of the threaded sections is smaller than the width of the arc-shaped guide grooves. The diameter of the step positioning sections is larger than the width of the arc-shaped guide grooves and smaller than the diameter of the positioning holes. The transmission equipment accessory can realize connection and fixing of the jack box and the bus duck and is flexible in installation position, simple in structure, convenient and simple in operation and fixed in connection.

An electric wire having a conductive portion with grooves on the surface thereof to increase a surface area of the conductive portion for enlarging the skin effect in high frequency current and enhancing the transmissibility and the space factor in high frequency current is provided. The conductive portion 1a being made of an electric conductive material is formed on the surface 1a with a convexo-concave surface 3 to provide predetermined amount of grooves 2 or concave portions 20 having a predetermined section with a predetermined depth W extending in a direction of thickness or toward a center of the conductive portion on the surface of the conductive portion along lengthwise the conductive portion