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JP7235240B2 |
To reduce electric field between a spacer and a conductive member to which high voltage is applied in an insulating device.A structure 10 has a first conductive member 1, a second conductive member 2 different from the first conductive m...
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JP7228538B2 |
To provide a gas insulated switching device having high reliability for arc discharge.A gas insulated switching device according to an embodiment includes a tank, a conductor, and a partition member. The tank is formed into a substantial...
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JP2023021596A |
To provide a gas insulated switchgear which can check presence or absence of voltage of a high voltage conductor of a main circuit even if a hand hole for voltage detection is not provided, and an insulation spacer included in the gas in...
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JP7209722B2 |
A dielectric fluid (i.e., dielectric composition) that includes a perfluorinated 1-alkoxypropene compound represented by the following general Formula (I): RfO—CF═CFCF3 wherein Rf is CF3— or CF3CF2—. Such dielectric fluids may be...
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JP7183650B2 |
To stably support a bus bar so as to be able to suppress a vibration of the bus bar.A bus bar support device (10) supports a bus bar (2) provided in a bus house (3), and the bus bar is composed of a strip-shaped conductor which extends i...
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JP7182827B1 |
A support structure for a bus duct that does not easily interfere with other equipment or structures is provided. A bus duct supporting structure (100) in which a bus duct (910) is suspended and supported by suspension members (111) arra...
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JP2022177570A |
To provide a bus duct cover and an installation method of the bus duct cover which can be easily installed and can improve waterproofness.A bus duct cover according to an embodiment is a bus duct cover 1 including a cover 10 covering a b...
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JP2022174651A |
To solve a problem in which the production of a cable duct is difficult when there is a difference in height or depth in a positional relationship between a cable outlet of a substation device and the cable outlet to be connected.A cable...
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JP7171834B2 |
A locking mechanism is disclosed for being locked together with a structure to be engaged, the locking mechanism including: a driving member, which is capable of moving in a driving direction; a first driven member and a second driven me...
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JP7170604B2 |
To obtain a power generation main circuit connection device for which a degree of freedom in arrangement of installation portions of a transformer for instrument, and a surge absorber .A power generation main circuit connection device pr...
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JP7142782B2 |
Provided is an exhaust tool with which, in assembly of a bus connection portion provided to a switching device used for grid operation of power equipment, while an electric apparatus provided to the bus connection portion is assembled, g...
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JP2022131514A |
To provide an analysis method that can automatically determine the dielectric constant distribution of each layer in order to provide a highly reliable insulating spacer.An analysis method for a cone-shaped insulating spacer that support...
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JP2022080008A |
To improve safety by preventing the occurrence of a ground fault accident in connecting connection parts of a bus duct with each other.A bus duct comprises ends having connection parts which are connected with connection parts of a matin...
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JP7062273B2 |
To provide a feed-in connection structure for electrically connecting a power source and a bus bar in a bus duct via a feed-in conductor, in which the feed-in connection structure is formed into a more compact structure so that the proce...
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JP7042466B2 |
To provide a partial structure of a bus duct main line capable of safely and easily adding a bus duct in part of the bus duct main line, another bus duct structure that can be added to the bus duct main line, a bus duct system in which a...
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JP7021255B2 |
The insulation spacer of the present embodiment supports connection between a high voltage conductor of a gas insulated switchgear and a metal container of the gas insulated switchgear. The insulation spacer comprises a nonlinear dielect...
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JP2022002443A |
To connect an apparatus even in a case where an arrangement of components is already determined or even at a place where a space is limited.In an electrical facility, power from a power generation source is transported to a power apparat...
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JP6986859B2 |
To provide a partial discharge detection device capable of detecting a partial discharge occurring in a gas insulation device even under circumstances where broadcast waves or radio communication waves arrive from the outside of the gas ...
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JP6987324B1 |
In the solid insulating bus (100), a cylindrical grounding sheet (11) having conductivity and flexibility is attached to a plurality of insulating adapters (1) and bus (2). By connecting the grounding wire (12) to the grounding sheet (11...
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JP6956723B2 |
A medium-voltage or high-voltage electrical device comprising a sealed enclosure in which are located electrical components covered with a solid dielectric layer and a gaseous medium ensuring electrical insulation and/or extinguishing el...
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JP6956936B2 |
To provide a construction method of a bus duct support part that can reliably support a bus duct trunk line while preventing meandering at the time of construction of the bus duct trunk line and considering a construction error of the bu...
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JP6948537B2 |
To provide a communication system in a bus duct, which the system is able to communicate easily and inexpensively by using a bus duct main line laid in a facility.A communication system in a bus duct is provided with communication means ...
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JP2021145398A |
To provide a bus bar accommodation structure in which, even if a dimensional tolerance of each portion of a bus bar is accumulated toward an upper limit and exceeds the upper limit as a while and a bus bar is accommodated without noticin...
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JP6928828B2 |
To provide a bus duct with superior reliability and low cost.A bus duct comprises: a housing 12; and a plurality of insulating conductors 11-1 to 11-3 stored in the housing 12. The insulating conductors 11-1 to 11-3 comprise: aluminum ba...
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JP6926384B2 |
To provide a bus duct power distribution system that is distributed by being received by a rack or the like, and has higher connection reliability.In a bus duct power distribution system W, a bus duct trunk line 100 in which a plurality ...
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JP6921637B2 |
A module for the interconnection between an electrical circuit breaker and an electrical contactor includes a housing and multiple high-power electrical conductors that are housed inside the housing, each of the high-power electrical con...
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JP2021518731A |
A method of manufacturing an electric element (100, 450) from a part manufactured later by an additional manufacturing technique involves determining a target spatial distribution of the physical characteristics of the electric element, ...
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JP6895805B2 |
To obtain a fireproof structure of a compartment penetration part capable of reliably preventing a fire from being spread by a simple structure since a penetration part between compartments being important in safety in a building is requ...
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JP6886605B2 |
To provide a bus duct branch device capable of performing multiple branches from one branch position and further improving a mechanical strength of a bus duct trunk.The present invention relates to a bus duct branch device 20 attached to...
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JP6845561B2 |
To provide a bus duct branch device that makes it possible to easily and securely confirm that a bus duct and the bus duct branch device are securely fixed.A bus duct branch device 10 comprising a box body 12 enclosing a branch conductor...
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JP2021035111A |
To obtain a gas insulation device capable of higher voltage and smaller size without compromising the insulation performance of an insulating structural member that supports a center conductor.A gas insulation device 10 includes: injecti...
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JP6833612B2 |
To provide a bus connection device for a switch gear capable of implementing a connection work easily without using any other component than a member that is temporarily fastened to a bus conductor, when connecting adjacent bus conductor...
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JP6807276B2 |
An insulating spacer and a gas insulation shutoff apparatus each having a high dielectric strength against adhesion of a metal foreign substance are provided without increasing size or complicating a shape of the insulating spacer. In an...
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JP6793506B2 |
To provide a bus duct branch system capable of easily mounting a tap-off branch structure later.A bus duct branch system includes a bus duct 10 having a plurality of conductive connection members 121 in a housing and a branch device 20 i...
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JP6775438B2 |
To provide a gas insulation power apparatus capable of identifying a location where a pressure wave is generated, while attaining suppression of cost, simplification of installation work and improvement of maintainability.A gas insulatio...
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JP6768393B2 |
To provide a bus duct system that makes it possible to easily attach a branch device to an appropriate position on a bus duct.A bus duct system comprises: a bus duct 10 including a housing on which a plug-in hole 31 is provided; and a br...
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JP6760516B2 |
In a power conversion device, cable connection positions of connections in which a plurality of bus bars is respectively connected to external line cables are non-overlapping with each other as viewed from a side on which the external li...
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JP2020137197A |
To enable the same atmosphere of a gas segment in adjacent tanks and division of them without not only requiring the provision of an another gas pipe for connecting the adjacent tanks but also providing a specific gas flow channel to an ...
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JP6742251B2 |
To provide a switchgear capable of efficiently dissipating heat that is generated in an inner conductor, into outside air in a further simplified structure.A switchgear 10 comprises: an inner conductor 1 with which a first protrusion 1a ...
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JP6733879B2 |
Method and system for controlling and limiting the damage caused by arcs formed on exposed conductors in electrical distribution equipment involve using the tendency of an arc to move in a direction away from a current source and toward ...
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JP2020108300A |
To provide: an arrangement structure of a bus, the arrangement structure which can suppress temperature rise due to heat generation of the bus; and an enclosed switchboard which is provided with a thus arranged bus.In an enclosed switchb...
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JP6719601B2 |
A heat pipe (150) includes an insulating hollow body (151) located inside an outer conductor (120). The insulating hollow body (151) insulates a portion of the heat pipe (150) on an outer conductor (120) side and a portion of the heat pi...
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JP6714951B2 |
An object of the present invention is to obtain an electrical device connector that enables easy and effective deaeration of electrical device connection portions, and switchgears. An electrical device connector (100) includes: a bus bar...
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JP6689161B2 |
To provide a gas-insulation opening and closing device which allows its downsizing.A gas-insulation opening and closing device according to the embodiment has a plurality of containers, an expansion joint, and a metallic coupling member....
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JP6669336B2 |
To provide a protection structure capable of making strong protection for preventing an electrical shock or the like of a worker compatible with workability in plug-in, in a plug-in hole of a bus duct.In a bus duct plug-in hole protectio...
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JP6656202B2 |
A routing members connection structure electrically connects a long first trunk routing member which is routed in a vehicle and can transmit power and a first branch routing member routed in the vehicle, can transmit power, and branches ...
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JP6659854B2 |
A gas-insulated switchgear according to this embodiment includes: a metallic enclosure (1) having an insulating gas enclosed therein; an electroconductive conductor (4) accommodated in the metallic enclosure; an insulating support (3) co...
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JP6654859B2 |
To provide a branching device for bus ducts that makes possible safe branching of bus ducts and facilitates confirmation of its secure fitting to a bus duct.A branching device 10 includes a display member 60 that shifts along with the va...
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JP6652249B2 |
Apparatus for the touch-safe contacting of a busbar system having multiple busbars, wherein the arrangement has a touch protection housing made of electrically insulating material comprising receptacles for busbars, wherein the touch pro...
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JP6645706B2 |
A gas-insulated electrical equipment includes: a grounded tank filled with an insulating gas; a central conductor which is disposed inside the grounded tank and to which to apply a voltage; a high-resistance insulating portion which is d...
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