847results about "Multiple fixed capacitors" patented technology

An apparatus suitable for use in an air-conditioning system and configured to provide a plurality of selectable capacitance values includes a plurality of capacitive devices and a pressure interrupter cover assembly. Each of the capacitive devices has a first capacitor terminal and a second capacitor terminal. The pressure interrupter cover assembly includes a deformable cover, a set of capacitor cover terminals, a common cover terminal, and a set of insulation structures. The apparatus also includes a conductor configured to electrically connect the second capacitor terminal of at least one of the capacitive devices to the common cover terminal.

A capacitor provides a plurality of selectable capacitance values, by selective connection of six capacitor sections of a capacitive element each having a capacitance value. The capacitor sections are provided in a plurality of wound cylindrical capacitive elements. Two vertically stacked wound cylindrical capacitance elements may each provide three capacitor sections. There may be six separately wound cylindrical capacitive elements each providing a capacitor section. The capacitor sections have a common element terminal.

A hard start capacitor replacement unit includes a capacitor container having a cover, a plurality of capacitors received within the container, each of said capacitors having a capacitance value, a common terminal mounted on the cover and electrically connected to a common terminal of each of said plurality of capacitors, a plurality of cover terminals mounted on the cover spaced apart from the common terminal and from each other, each cover terminal respectively electrically connected to one of the plurality of capacitors, a relay having contacts and being capable of opening and closing said contacts in response to a monitored condition of the motor, the relay having relay terminals, a fuse electrically connected to one of the relay terminals by a first wire wherein the fuse electrically disconnects the hard start capacitor replacement unit and the motor upon a failure, and a second wire electrically connecting one of the relay terminals and the motor, a third wire electrically connecting the common terminal and one of the relay terminals, a fourth wire electrically connecting one or more cover terminals to one of the relay terminals, wherein the contacts of the relay close to electrically connect one or more capacitors of the plurality of capacitors to the motor, and the contacts of the relay open to electrically disconnect the one or more capacitors of the plurality of capacitors from the motor.

A hard start capacitor replacement unit has a plurality of capacitors in a container sized to fit in existing hard start capacitor space. The capacitors are 4 metallized film capacitors wound in a single cylindrical capacitive element. The container has a common terminal and capacitors value terminals for the plurality of capacitors, which may be connected singly or in combination to provide a selected capacitance. An electronic or other relay connects the selected capacitance in parallel with a motor run capacitor. The hard start capacitor replacement unit is thereby adapted to replace a wide variety of hard start capacitors.

A capacitor provides a plurality of selectable capacitance values, by selective connection of six capacitor sections of a capacitive element each having a capacitance value. The capacitor sections are provided in a plurality of wound cylindrical capacitive elements. Two vertically stacked wound cylindrical capacitance elements may each provide three capacitor sections. There may be six separately wound cylindrical capacitive elements each providing a capacitor section. The capacitor sections have a common element terminal.

An apparatus includes a case capable of receiving a plurality of capacitive elements, each capacitor element having at least two capacitors, and each capacitor having a capacitive value. The apparatus also includes a cover assembly with a peripheral edge secured to the case. The cover assembly includes, for each of the plurality of capacitive elements, a cover terminal that extends upwardly from the cover assembly generally at a central region of the cover assembly. Each cover terminal is connected to one of the at least two capacitors of the respective one of the plurality of capacitive elements. The cover assembly also includes, for each of the plurality of capacitive elements, a cover terminal that extends upwardly from the cover assembly at a position spaced apart from the cover terminal generally at the central region of the cover assembly.

A capacitor provides a plurality of selectable capacitance values, by selective connection of six capacitor sections of a capacitive element each having a capacitance value. The capacitor sections are provided in a plurality of wound cylindrical capacitive elements. Two vertically stacked wound cylindrical capacitance elements may each provide three capacitor sections. There may be six separately wound cylindrical capacitive elements each providing a capacitor section. The capacitor sections have a common element terminal. A pressure interrupter cover assembly is sealingly secured to the open end of case for the elements and has a deformable cover with a centrally mounted common cover terminal and a plurality of section cover terminals mounted at spaced apart locations. A conductor frangibly connects the common element terminal of the capacitor section to the common cover terminal and conductors respectively frangibly connect the capacitor section terminals to the section cover terminals. Deformation of the cover caused by failure of the capacitor element breaks at least some of the frangible connections sufficient to disconnect the capacitive element from an electric circuit in which it is connected. A cover insulation barrier mounted on the deformable cover, has a barrier cup substantially surrounding the common cover terminal and a plurality of barrier fins each extending radially outwardly from the barrier cup, and deployed between adjacent section cover terminals.

An apparatus includes a case having an elliptical cross-section capable of receiving a plurality of capacitive elements. One or more of the capacitive elements provide at least one capacitor having a first capacitor terminal and a second capacitor terminal. The apparatus also includes a cover assembly that includes a deformable cover mountable to the case, and, a common cover terminal having a contact extending from the cover. The cover assembly also includes at least three capacitor cover terminals, each of the at least three capacitor cover terminals having at least one contact extending from the deformable cover. The deformable cover is configured to displace at least one of the at least three capacitor cover terminals upon an operative failure of at least one of the plurality of the capacitive elements. The cover assembly also includes at least four insulation structures. One of the four insulation structures is associated with one of the at least three capacitor cover terminals. The apparatus also includes a first conductor capable of electrically connecting the first capacitor terminal of a capacitor provided by one of the plurality of capacitive elements to one of the at least three capacitor cover terminals and a second conductor capable of electrically connecting the second capacitor terminal of the capacitor provided by one of the plurality of capacitive elements to the common cover terminal.

An apparatus includes a case having an elliptical cross-section capable of receiving a plurality of capacitive elements. One or more of the capacitive elements provide at least one capacitor having a first capacitor terminal and a second capacitor terminal. The apparatus also includes a cover assembly that includes a deformable cover mountable to the case, and, a common cover terminal having a contact extending from the cover. The cover assembly also includes at least three capacitor cover terminals, each of the at least three capacitor cover terminals having at least one contact extending from the deformable cover. The deformable cover is configured to displace at least one of the at least three capacitor cover terminals upon an operative failure of at least one of the plurality of the capacitive elements. The cover assembly also includes at least four insulation structures. One of the four insulation structures is associated with one of the at least three capacitor cover terminals. The apparatus also includes a first conductor capable of electrically connecting the first capacitor terminal of a capacitor provided by one of the plurality of capacitive elements to one of the at least three capacitor cover terminals and a second conductor capable of electrically connecting the second capacitor terminal of the capacitor provided by one of the plurality of capacitive elements to the common cover terminal.

An apparatus suitable for use in an air-conditioning system and configured to provide a plurality of selectable capacitance values includes a plurality of capacitive devices and a pressure interrupter cover assembly. Each of the capacitive devices has a first capacitor terminal and a second capacitor terminal. The pressure interrupter cover assembly includes a deformable cover, a set of capacitor cover terminals, a common cover terminal, and a set of insulation structures. The apparatus also includes a conductor configured to electrically connect the second capacitor terminal of at least one of the capacitive devices to the common cover terminal.

The invention discloses a high-voltage multi-core ceramic capacitor and a preparation method thereof, and the multi-core ceramic capacitor comprises a pedestal, two connection frames which are oppositely disposed on the pedestal, and a plurality of capacitor modules which are sequentially arranged in the length direction of the connection frames. The capacitor module comprises a plurality of capacitors which are sequentially connected in series between two connecting frames and a plurality of series connecting sheets which are respectively arranged between two adjacent capacitors, and the connecting frames are connected with the opposite capacitors; the capacitor comprises a capacitor body, two parallel frames oppositely arranged on the two sides of the capacitor body, a potting shell used for installing the capacitor body and a potting layer arranged in the potting shell and wrapping the capacitor body. The specific structure of the capacitor module is limited to be matched with the connecting frame, so that parallel capacity increasing and series voltage dividing of the multiple capacitor chips are achieved, other capacitor modules are not affected after a certain capacitor module fails, and the market requirement of higher-voltage products is met.

An anti-impact pulse capacitor comprises a capacitor body, and the capacitor body comprises two supports which are oppositely arranged and a plurality of capacitor chips which are vertically arranged in the two supports at intervals. The support comprises a plurality of support plates which are arranged up and down at intervals, connecting pins which are vertically arranged among the plurality of support plates, and a plurality of fixing plates which are respectively arranged on the plurality of support plates and are used for fixing the connecting pins, and the plurality of support plates are opposite to the end parts of the plurality of capacitor chips. The structure of a capacitor body and the structure of a plastic package shell are improved, the structure of a support is specifically limited, a plurality of capacitor chips are vertically arranged at intervals, the capacitor chips are arranged in a large-gap mode, enough deformation space is reserved, and the capacitor chips can be integrally distorted and deformed to a certain degree at the moment when impact is borne, and the reliability of the capacitor is not affected.

The invention relates to a capacitor module for optimizing an air-cooled heat dissipation structure, the capacitor module comprises a plurality of capacitor banks, each capacitor bank is composed of a plurality of capacitor monomers, the positive and negative electrodes of the capacitor monomers are electrically connected through a connecting sheet group, and the connecting sheet group comprises a plurality of first connecting sheets and second connecting sheets. The parallel connection and the series connection between the capacitor monomers are realized by adopting the first connecting sheet with a claw-shaped structure; the air cooling module is composed of a plurality of cooling fans, a temperature sensor and a speed regulation control system, the air speed of the cooling fans is regulated through the intelligent frequency conversion technology, regulation is conducted according to real-time data fed back by the temperature sensor, and therefore precise cooling control is achieved; the capacitor module is internally provided with a main air channel and an auxiliary air channel, the size and layout design of the air channels optimizes an airflow path, and the heat exchange area between air and the surface of the capacitor monomer is increased; the design can effectively reduce the heat dissipation efficiency, reduce the system energy consumption, prolong the service life of the capacitor module, and is suitable for the fields of energy storage systems, power equipment and the like.

Via array configurations for metal-insulator-metal (MIM) capacitor structures are disclosed herein. An exemplary MIM capacitor structure includes a capacitor bottom metal layer, a first dielectric layer over the capacitor bottom metal layer, a capacitor middle metal layer over the first dielectric layer, a second dielectric layer over the capacitor middle metal layer, and a capacitor top metal layer over the second dielectric layer. A metal via array, which has a first metal via and a second metal via, is connected to the capacitor top metal layer and the capacitor bottom metal layer. A portion of the capacitor top metal layer covers an area of the second dielectric layer extending from the first metal via to the second metal via. From a top view, the portion of the capacitor top metal layer surrounds the first metal via and the second metal via.

Provided is an electrical storage device that is compact and can be manufactured easily, while allowing for use of higher voltages.　In an electrical storage device 1, a winding structure 20 comprises: a central electrode body 21 in which a first extending part 21b and a second extending part 21c extending from either side of a central portion 21a are wound around the central portion in the same direction; a first electrode body 22 electrically connected to a first external terminal 6 and extending toward an outer peripheral side from a vicinity of the central portion; a second electrode body 23 electrically connected to a second external terminal 7 and extending toward the outer peripheral side from a vicinity of the central portion; a first separator 24 disposed between the central electrode body and the first electrode body; and a second separator 25 disposed between the central electrode body and the second electrode body.

A capacitor provides a plurality of selectable capacitance values, by selective connection of six capacitor sections of a capacitive element each having a capacitance value. The capacitor sections are provided in a plurality of wound cylindrical capacitive elements. Two vertically stacked wound cylindrical capacitance elements may each provide three capacitor sections. There may be six separately wound cylindrical capacitive elements each providing a capacitor section. The capacitor sections have a common element terminal.

A capacitor device (5) includes a capacitor (30), a capacitor bus bar (29), and a heat dissipation bus bar (26). One end of a capacitor bus bar (29) is electrically connected to the capacitor, the other end is electrically connected to the electrical component, and the capacitor bus bar extends in the arrangement direction of the capacitor and the electrical component. The heat dissipation bus bar (26) is provided with an end portion on the capacitor bus bar so as not to be present in the capacitor bus bar in the extending direction of the capacitor bus bar, and dissipates heat of the capacitor. Consequently, it is possible to suppress an increase in inductance of the capacitor bus bar and to improve heat dissipation of the capacitor at the same time.

In a multilayer ceramic capacitor, a plurality of internal electrode layers include a first internal electrode layer, a second internal electrode layer, and an intermediate electrode layer. A coverage of the intermediate electrode layer is higher than a coverage of the first internal electrode layer and the second internal electrode layer.

The utility model relates to a capacitor assembly, a motor controller and a vehicle, and the capacitor assembly comprises a housing which is provided with an accommodation space and an opening communicated with the accommodation space; the capacitor is at least partially arranged in the accommodating space; the first busbar body is suitable for enabling the first electrode of the capacitor to be connected with a power switch of a motor controller; wherein the first busbar body comprises a part which is arranged in the accommodating space to be connected with the capacitor and the other part which is arranged at the opening to be connected with a power switch of the motor controller. The capacitor assembly, the motor controller and the vehicle have the advantages of being flexible in structure and good in universality.

The invention comprises a method and apparatus for processing power, comprising the steps of: generating / using 3-phase power; feeding an AC drive with the 3-phase power, the AC drive generating a first output; and transforming the first output with a zigzag transformer, the zigzag transformer linked to at least one load output / load connector. The method and apparatus comprises an optional filter for filtering the 3-phase power prior to the step of transforming, the filter including a distributed gap core material.

A capacitor includes multiple capacitor elements including a first end surface electrode and a second end surface electrode; a first conductor in contact with and electrically connected to the first end surface electrode; a second conductor in contact with and electrically connected to the second end surface electrode; a third conductor adjacent to the first conductor, the third conductor including an embedded part positioned in a first section that overlaps with the first conductor and an exposed part positioned in a second section separate from the first section; and a sealing resin part sealing the third conductor to embed the embedded part and expose the exposed part.

An intermediate circuit capacitor for a multi-phase system, comprising a first surface electrode (10) and a second surface electrode (20) spaced apart from the first surface electrode, and comprising at least one capacitor structure (3) having at least one dielectric (2) and inserted between the first surface electrode (10) and the second surface electrode (20), and with a first voltage layer (11) angled from the first surface electrode (10) and a second voltage layer (21) angled from the second surface electrode (20), and with at least one first pole connection (12) for contacting the first voltage level (11) and with at least one second pole connection (22) for contacting the second voltage level (21), wherein the first voltage level (11) and the second voltage level (21) of the intermediate circuit capacitor (1) form an overlap region (4) in which the first voltage level (11) and the second voltage level (21) are arranged parallel to one another and spaced apart from one another by a gap (5), directly above one another on a base side (6) of the intermediate circuit capacitor (1), and that the at least one first pole connection (12) in lateral continuation of the first voltage level (11) and parallel thereto the at least one second pole connection (22) in lateral continuation of the second voltage level (21) extend beyond the overlap region (4) and thus form at least one pair of contacting lugs (7) projecting from the base side (6) of the intermediate circuit capacitor (1), characterized in that in the second surface electrode (20) at least one recess (24) is formed complementary to the at least one first pole connection (12) and the at least one first pole connection (12) projects through the recess (24).

An apparatus suitable for use in an air-conditioning system and configured to provide a plurality of selectable capacitance values includes a plurality of capacitive devices and a pressure interrupter cover assembly. Each of the capacitive devices has a first capacitor terminal and a second capacitor terminal. The pressure interrupter cover assembly includes a deformable cover, a set of capacitor cover terminals, a common cover terminal, and a set of insulation structures. The apparatus also includes a conductor configured to electrically connect the second capacitor terminal of at least one of the capacitive devices to the common cover terminal.

Certain embodiments provide a capacitor module with flexible busbar contacts for a traction inverter system of an electric vehicle. The capacitor module may include a housing, capacitors, and capacitor busbar contacts coupled to the capacitors. Each capacitor busbar contact may include a flexible portion and a contact portion configured to be attached to a respective power inverter module busbar contact. The flexible portion and the contact portion are disposed outside the housing. The flexible portion is configured to bend to reduce or close an air gap between the contact portion and a respective power inverter module busbar contact when a force is applied to the contact portion prior to attachment. In some embodiments, the contact portion is laser welded to the respective power inverter module busbar contact, and a clamp applies the force to the contact portion prior to laser welding.

A capacitor includes a capacitor element, a bus bar, and an exterior body. The bus bar is exposed from the exterior body, and includes a joint terminal having a flat-plate shape that is to be joined to external terminal. A partial region on a surface of the joint terminal is served as a junction portion to be welded when external terminals are joined. The surface of the joint terminal is provided with an explicit portion that explicitly indicate a region of the junction portion.

Power converter (1) with: a switching circuit (20); a capacitor module (3) which is electrically connected to the switching circuit; an auxiliary capacitor module (5) connected in parallel to the capacitor module; and a device housing (12) which contains the switching circuit, the capacitor module and the auxiliary capacitor module, wherein The capacitor module includes: a capacitor element (31), a capacitor housing (32) that contains the capacitor element, an encapsulation resin (33) that encapsulates the capacitor element in the capacitor housing, and a capacitor busbar (4) which connects the capacitor element to a power terminal of the switching circuit, wherein the capacitor busbar includes: an element connection section (41) that is connected to the capacitor element within the encapsulation resin, a connecting section (42) which is connected to the power connection outside the encapsulation resin, and a power supply connection section (43) which is connected to a power supply wiring (54) outside the encapsulation resin, wherein the power supply wiring is electrically connected to a DC power supply, wherein the capacitor busbar includes a DC path (44) which represents a current path between the terminal connection section and the power supply connection section, and the DC path is exposed to the outside of the encapsulation resin, the auxiliary capacitor module is connected to the power supply connection section of the capacitor busbar, the auxiliary capacitor module is detachably attached to the power supply connection section by means of a fastening element (11), and a fastening direction of a fastening element (135) that secures the auxiliary capacitor module and a fastening direction of the fixing element are the same.

An electronic device comprises chip components aligned along a predetermined first direction and including respective terminal electrodes, and a metal block including an electrode-opposing surface and a mounting surface. The electrode-opposing surface is opposed and connected to the respective terminal electrodes of the chip components continuously along the first direction. The mounting surface is substantially perpendicular to the electrode-opposing surface and is substantially parallel to the first direction to oppose a land pattern when the electronic device is mounted on the land pattern.

The utility model relates to the field of capacitor supports, and discloses a high-voltage static var compensation capacitor support, which comprises a mounting plate, limiting plates are fixedly connected to two sides of the top end of the mounting plate, a mounting sliding groove is formed in the mounting plate, a fixed mounting frame is slidably connected to the interior of the mounting sliding groove, and the limiting plates are fixedly connected to the limiting plates. A fixing groove opening is formed in the fixed mounting frame, a plurality of supporting plates are arranged at the top end of the mounting plate, the supporting plates are connected through a plurality of connecting blocks, a limiting fixing assembly is mounted at the bottom of the mounting plate, and capacitor bodies are fixedly connected to the top ends of the supporting plates. According to the utility model, when the capacitor is damaged, the capacitor can be flexibly disassembled, so that the maintenance and the use are more convenient, and when a single capacitor is damaged, the current generated by the capacitor cannot influence the work of other capacitors, thereby improving the use safety of the capacitor.

Provided are: at least one cylindrical power storage device (20); and an upper holder (30) that holds an upper end side of the power storage device, a positive electrode terminal (26) and a negative electrode terminal (25C) being disposed at an upper end portion of the power storage device, the negative electrode terminal being disposed at a position that is more outward in a radial direction of the power storage device than the positive electrode terminal, and a negative electrode lead (50) that is connected to the negative electrode terminal from an outer side in the radial direction, the upper holder having a restriction portion (34) that is located at a position that is more inward in the radial direction than at least a portion of the negative electrode lead.