8234 results about "Busbar" patented technology

A transparent chromogenic assembly in which color changes are selectively effectable over predefined areas comprises a pair of facing transparent substrates (15, 21, 28) each covered with a conductive layer divided into individual energizeable areas each provided with a set of busbars (187, 188). A passive layer may be superimposed over one of the substrates, its color being chosen so that the color and the transmissivity of the passive layer accommodates the range of color change and transmissivity of the electrochromic layer to maintain the transmitted color of the panel in a warm or neutral shade. Various other chromogenic windows, devices and systems are also disclosed.

A waveguide busbar for converting a plurality of high-frequency input signals into high-frequency output signals, includes a waveguide, a plurality of input ports, which are arranged along the waveguide, such that each input port is intended to receive a high-frequency input signal, an output port on the waveguide for delivering the high-frequency output signal and at least one parallel resonator, which is connected to the waveguide busbar between two input ports. The parallel resonator has a mechanically adjustable volume with which a phase relation of the waveguide is adjustable between the two input ports.

A lead-acid battery comprising: at least one lead-based negative electrode; at least one lead dioxide-based positive electrode; at least one capacitor electrode; and electrolyte in contact with the electrodes; wherein a battery part is formed by the lead based negative electrode and the lead dioxide-based positive electrode; and an asymmetric capacitor part is formed by the capacitor electrode and one electrode selected from the lead based negative electrode and the lead-dioxide based positive electrode; and wherein all negative electrodes are connected to a negative busbar, and all positive electrodes are connected to a positive busbar. The capacitor electrode may be a capacitor negative electrode comprising carbon and an additive mixture selected from oxides, hydroxides or sulfates of lead, zinc, cadmium, silver and bismuth, or a capacitor negative electrode comprising carbon, red lead, antimony in oxide, hydroxide or sulfate form, and optionally other additives. The capacitor electrode may be used in asymmetric capacitors and batteries of other types.

The utility model relates to a digitized high voltage direct current power supply, and comprises a main power circuit, a digitized control circuit based on DSP and a control program of host computer based on PC, wherein the main power circuit comprises a three phase rectifying element [1], a soft start element [2], a filter element [3], a resonance inverting element [4], a high frequency and high voltage transformer [5], a doubling circuit [6] and a two-stage voltage divider [7]; the digitized control circuit based on DSP comprises an interface circuit of IPM drive signal, a high voltage feedback element, a resonance overcurrent protection element, a soft start circuit and a serial communication interface circuit. The voltage of power frequency electrical network is converted into DC voltage which is used as busbar voltage by three phase rectification, soft start and filter, and the busbar voltage is converted into 20KHz quasi-sine-wave by the resonance inverting element which is driven by a phase difference computed by the DSP according to feedback signal, and then 0-100Kv AC high voltage is output by the high frequency and high voltage transformer [5] and the doubling circuit [6]. The utility model adopts a host computer as a control device, and outputs the voltage via the control instructions of the DSP, therefore meets the requirements of voltage withstand test of insulation material.

An electrical busway system comprising a busway uniquely configured for cutting to length in the field. Special connector devices are also disclosed, with features for engaging and immobilizing busway insulators to assure accurate initial alignment of conductors and contact elements prior to joining of connector devices with busway sections. An accessory device, specially adapted to the new busway design, includes a rotatable contact element, slideably received in its rotatable support, which progressively displaces a spring as the contact element is rotated into contact with a busbar carried by a busway insulator. Good electrical contact at both ends of the slideable contact element is assured. The accessory device also includes a positioning element which is rotatable with, but rotationally advanced with respect to, the contact elements, to accurately position, and substantially immobilize an insulator element prior to the contact elements being rotated into restricted, busbar-receiving recesses in the insulator element.

A current sensor includes a busbar, a case, a connector, and a bare chip having a current detection circuit. The busbar has a crimp terminal at one end, a ring terminal at the other end, and a shunt resistor welded between the crimp and ring terminals. The shunt resistor is encapsulated in the case, and the busbar has an electrode exposed to a sealed inner room of the case. The connector has a connector body unitary with the case and has a connector terminal that is exposed to the inner room at one end and exposed to an outside of the connector body at the other end. The bare chip is arranged in the inner room of the case and wire-bonded to each of the busbar and the connector terminal.

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 device for attaching busbars of square or rectangular cross section on a support rail using electrically non-conducting support elements, which can be connected with the support rail and form a busbar receptacle adapted to the cross section of the busbar. With a simple fastener, assembly is considerably simplified because two post-shaped supports per busbar can be attached as support elements on the support rail, wherein spacing between the supports is matched to the width of the busbar and a height is matched to the thickness of the busbar. A base plate is arranged between the two supports, which insulates the busbar receptacle against the support rail and which is captively held between the holders. The ends of the supports facing away from the support rail can be closed by a strip.

The invention discloses an AC / DC converter which carries out rectification and filtration to input alternating voltage by ensuing that the needed working voltage of a load is lower than presetting value; the alternating voltage power factor after the rectification and filtration are corrected forms power factor correction PFC busbar voltage, and the PFC busbar voltage is adjusted at the same time; in addition, in an AC / DC converting circuit, duty ratio of a complementary metal oxide semiconductor MOS switching tube which carries out DC / DC conversion to a PFC bus is adjusted, and the rectification and filtration are carried out to the voltage output by the DC / DC converting circuit, and the voltage is output to the load. By applying the AC / DC converter and properly reducing the PFC busbar voltage output by a PFC circuit, the MOS switching tube in the DC / DC converting circuit can work in a duty ratio with higher working efficiency when the working voltage of the load is lower, thus ensuring the direct current working voltage needed by the load, improving the efficiency when the AC / DC converter outputs low voltage and reducing loss.

Method and apparatus for depositing multiple lines on an object, specifically contact and busbar metallization lines on a solar cell. The contact lines are preferably less than 100 microns wide, and all contact lines are preferably deposited in a single pass of the deposition head. There can be multiple rows of nozzles on the deposition head. Multiple materials can be deposited, on top of one another, forming layered structures on the object. Each layer can be less than five microns thick. Alignment of such layers is preferably accomplished without having to deposit oversized alignment features. Multiple atomizers can be used to deposit the multiple materials. The busbar apparatus preferably has multiple nozzles, each of which is sufficiently wide to deposit a busbar in a single pass.

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 stator of a motor includes a plurality of busbar plates, each laminated above a stator core in an axial direction and connected to a plurality of wires having a substantially U-shaped configuration. Each busbar plate includes a plurality of busbars arranged in a circumferential direction, and a busbar holder of insulating quality to which the plurality of busbars are integrally affixed. The wires include a line portion, and a connecting end portion having a substantially columnar shape protruding from an end surface of the line portion. The busbar makes contact with the end surface of the line portion and is connected by welding to the connecting end portion.

The invention provides a direct-current (DC) microgrid system and an energy management method thereof. A power generation unit comprises a large user-side power grid and a grid-connected alternating current / direct current converter (AC / DC) thereof, a lithium iron phosphate energy storage system (EMS) and an energy storage direct current / direct current converter (DC / DC), and a photovoltaic power generation system and a photovoltaic DC / DC thereof. The DC microgrid system is provided with EMS and a wireless sensor network thereof, wherein the wireless sensor network is communicated with the grid-connected, energy storage and photovoltaic DC / DC; the EMS is used for executing different control strategies and optimizing the operation of a DC microgrid; the voltage of a DC busbar is stabilized by controlling a DC busbar voltage outer loop and an output inductive current inner loop through the grid-connected AC / DC when a grid-connected operation is switched to an islanding operation; and the islanding operation is switched to an operation using the energy storage DC / DC as a voltage source, i.e. the voltage stability of the DC busbar is maintained by controlling the DC busbar voltage outer loop and the inductive current inner loop on the energy storage side of a battery within the time of at most 20ms. Therefore, a seamless switching requirement is met, uninterrupted power supply (UPS) of loads in a telecom data center is realized, and configuration of reactive-load compensation equipment is avoided.

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.

The invention relates to a multipole fused switch arrangement for busbar systems having at least two fused switch units (10) which each holds a fuse link (20), with the fused switch units (10) having a mounting and contact apparatus (11) for a busbar, and having a switching apparatus for closing and interrupting the circuit of all the switched fuse units, with the fused switch arrangement comprising a combined switching and blocking apparatus (30), having a switching lever (40), an operating arrangement (60), a blocking apparatus (70) for each fused switch unit (10), and a locking apparatus (80).

A method of producing a battery-connecting plate by providing busbars which connect batteries together, attaching terminals to one end of wires to produce terminal-attached wires for detecting voltage of desired ones of the batteries, placing the terminal-attached wires in a predetermined layout in a wire protector, setting the busbars and wire protector in a mold with the burbars positioned corresponding to an arrangement of the batteries, injecting resin into the mold to produce a molded piece with the burbars and the terminal-attached wires therein, and cutting an element mount portion of each of the terminals and connecting a respective circuit protector element to the element mount portion in a bridging manner across the cut.

A relay busbar device of one embodiment is a relay busbar device with a built-in current sensor, which is interposed between a motor casing and an inverter casing, and includes a relay busbar both ends of which enter into both of the casings; a resin plate, through which the relay busbar penetrates, and which is interposed between the two casings; a magnetic core, positioned within the resin plate and surrounding the relay busbar; and a magnetic sensor provided in a removed portion of the magnetic core. The relay busbar is mold-formed integrally with the resin plate during resin molding thereof, and changes in magnetic field occurring in the removed portion due to the current flowing in the relay busbar are detected by the magnetic sensor, and the value of the current flowing in the relay busbar is measured.

A busbar assembly for an inverter module has a power module, a capacitor module with at least one capacitor, and a battery all interconnected by a busbar. The busbar includes a base busbar portion that is electrically coupled to the battery and a branch busbar portion that extends from the base busbar to the power module and that electrically connects to the capacitor module at points located between the base node and the power module.

This invention focuses on electrooptic devices and in particular on electrochromic devices with many aspects directed towards automotive EC mirrors. There are several ways to improve these products and their processing using this invention and some of the prominent ones are outlined below. This invention improves on the devices by disclosing new compositions for electrodes and methods of depositing them. It also addresses novel ways to provide busbars to power these devices in order to improve their performance. The device processing attributes and performance are also improved by adhesive compositions and solid electrolytes disclosed herein. In addition sensors are also disclosed which are novel for use in electrochromic mirrors. The invention also discloses how the electrolytes comprising ionic liquids have no adverse effect on attributes of commercial EC mirrors and often result in improved performance and / or feature enhancements.

An inverter-integrated electric compressor enhances vibration resistance of an inverter apparatus integrated with a housing without degrading cooling performance, reduction in weight, or the ease of assembly of the inverter apparatus. An inverter-integrated electric compressor has an inverter apparatus integrated with an inverter storage box of housing. The inverter apparatus includes a metal plate secured in an inverter storage box, a plurality of power semiconductor switching elements mounted on the metal plate, a power substrate on which a power-related control circuit for operating the power semiconductor switching elements is mounted, and a busbar assembly formed by integrating a plurality of busbars with an insulator. The metal plate includes a protrusion extending in a width direction perpendicular to a motor shaft direction of an electric motor.

A power distribution system that can be used in naval ships and submarines includes a first power generation system including at least one power source for supplying power to a first service distribution system that includes at least one dc distribution busbar for carrying a distribution voltage and a distribution current and at least one switchboard that includes protective switchgear with contacts. A zonal power distribution sub-system includes a zonal power supply unit for supplying power to at least one electrical load and a zonal energy store connected to the at least one switchboard of the first service distribution system for supplying power to the zonal power supply unit. The at least one power source is regulated according to a power source foldback and stabilizing characteristic and a power source starting characteristic. The at least one electrical load is regulated according to a load shedding and stabilizing characteristic.

The invention relates to a method for estimating surplus mileage of a pure electric vehicle based on power consumption per kilometer, which comprises the following steps that: 1, an HCU (hybrid vehicle control unit) receives a message sent by a BCU (battery control unit) through a bus, busbar voltage U[bus], busbar current I[bus], and SOC of a battery pack are extracted from the message; 2, the HCU receives a message sent by an ABS (antilock brake system) controller through the bus, and a speed signal v is extracted from the message; 3, an available battery capacity B of the current battery pack being equal to B[Ah]*(SOC-SOC[lower limit]) is obtained according to the current available SOC, the use limitation of the SOC and the total capacity B[Ah] of the battery pack Ah; 4, an available battery energy E[available] of the battery pack being equal to U[bus]* B[available] can be calculated according to the busbar voltage U[bus] and the available battery capacity B of the current battery pack; and 5, surplus mileage S[surplus] being equal to E[available] / W[average] can be calculated according to the power consumption per kilometer W[average] and E[available]. The method automatically takes external influencing factors into consideration, so standardization processed through vast of experiments is unnecessary, and the accuracy is higher.

The invention provides an electric source system of a track traffic locomotive. The electric source system comprises a direct current busbar for directly providing electricity for the locomotive, and a locomotive direct current load connected with the direct current busbar, wherein a bidirectional electric source release and absorption device is arranged between the direct current busbar and the locomotive direct current load. When the track traffic locomotive is started and braked, the electric source system has the effect of smoothing the voltages of an electrical network, and the influence of the track traffic locomotive on the electrical network is reduced; when the track traffic locomotive is braked, energy generated in the braking process of the track traffic locomotive can be recovered, so that the utilization efficiency of energy resources is improved, and the purposes of energy conservation and environmental protection are achieved; when the track traffic locomotive has electricity supply failure due to the locomotive or the electrical network, emergency towing can be started, so that the locomotive is towed to a safe position, the situation that the locomotive occupies lines is avoided, the operation efficiency is improved, and urgent failure handling capacity is improved. The scheme adopted by the electric source system is upgraded based on an original standby electric source, so that space usage is small, and the technology cost is reduced; according to the residual capacity of current batteries, an emergency towing scheme can be automatically made, and the control is more intelligentized.

A printing mechanism includes an elongate support structure. A pair of busbars is mounted on the support structure. A plurality of printed circuit boards is mounted on the support structure to be electrically connected to the busbars. Each printed circuit board includes print engine control circuitry that is configured to control operation of a number of printhead chips. A plurality of ink distribution structures is mounted on the support structure and connectable to a supply of ink. A plurality of printhead modules is mounted on respective ink distribution structures. Each printhead module has a carrier and a printhead chip positioned on the carrier. Each printhead chip has a plurality of nozzle arrangements that are positioned on a wafer substrate. Each nozzle arrangement incorporates a micro-electromechanical actuator for ejecting ink from a nozzle chamber and is mounted on a respective ink distribution assembly. A number of the printhead chips are connected to the print engine control circuitry such that each nozzle arrangement can receive data signals from the print engine control circuitry.

The invention discloses a control method for increasing asymmetrical fault ride-through capability of a wind power system. In the method, a super capacitance energy storage system is assessed between a machine side rectifier and a net side inverter on the basis of the prior art. On the control aspect, besides the control for the machine side rectifier and the net side inverter, the control for a super capacitance energy storage system is additionally provided in the method. Through controlling the coordination of the machine side rectifier and the net side inverter, a unit can realize the maximum wind energy tracking, grid-connected active and reactive power adjusting and grid-connected three-phase current symmetry and the stability of the voltage for a direct-current busbar between the machine side rectifier and the net side inverter when a power grid is normal is assured. The additionally provided super capacitance energy storage system is further controlled, the voltage stability of the direct-current busbar of the unit while the power grid has asymmetrical faults is assured, especially the grid-connected three-phase current symmetry is assured and the double power frequency ripple wave of the voltage of the direct-current busbar while the power grid has asymmetrical faults is removed so that the asymmetrical fault ride-through capability of the wind power system is enhanced.

A busbar unit is arranged on an axial end portion of a stator and electrically connected with a plurality of coil wire terminals arranged to project in an axial direction above the axial end portion of the stator. The busbar unit includes a plurality of busbars each including a body portion defined by an electrically conductive wire having an annular or “C” shape, the body portion being arranged around an axis of the stator; a holder member arranged on the axial end portion of the stator to hold the busbars; and a plurality of terminal members each including a busbar connection portion connected with the body portion of one of the busbars, and a coil connection portion connected with one of the coil wire terminals.

A power module package including a fully enclosed package comprising sidewalls; wherein at least one of said sidewalls includes a conductive substrate; wherein circuit elements are mounted on said conductive substrate on a first side comprising an inner side of said enclosed package; and, wherein a majority area of a second side of said conductive substrate is exposed, the power package has an improved interconnection configuration and compact power I / O terminals, offering low electrical parasitics, a plurality of individual power module packages can be attached seamlessly and positioned in a liquid coolant with multiple top portion open channels, as well as attached to a laminar power connector (busbar) to form various electrical power conversion topologies, the module offers low thermal resistance and low electrical parasitics, in addition to small volume, light weight and high reliability.