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WO/2014/175607A1 |
A gas circuit breaker comprises: a first contact portion having a first arc inducement contact; a second contact portion having a second arc inducement contact formed to be able to relatively move with regard to the first arc inducement ...
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WO/2014/174917A1 |
The problem addressed by the present invention is to convert magnetic force of a permanent magnet to arc drive force efficiently and suppress degradation of magnetic properties by insulating the permanent magnet from arc heat, making ass...
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WO/2014/176372A1 |
Some embodiments provide interrupter systems comprising: a first electrode; a second electrode; a piston movably located at a first position and electrically coupled with the first and second electrodes establishing a closed state, the p...
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WO/2014/173776A1 |
The present invention relates to a process for providing a contamination-reducing(5)component to an electrical apparatus(1), said electrical apparatus (1) comprising a housing (2) enclosing an insulating space (3) and an electrical compo...
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WO/2014/174927A1 |
A discharge prevention structure which is provided with a ceramic member having a metallized part, a metal member that is in contact with the metallized part, and a solder that joins the ceramic member and the metal member with each othe...
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WO/2014/171208A1 |
A gas circuit breaker having, in a container filled with an arc-extinguishing gas, a fixed-side main contact and a movable-side main contact capable of approaching and separating from each other, a fixed arcing contact (12) and a movable...
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WO/2014/168194A1 |
According to the present invention, in a switch inserted into a direct-current electrical path, magnetic variation around the electrical path is detected by a magnetometer. An extraction means extracts the signal of a frequency band in w...
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WO/2014/166528A1 |
A circuit breaking arrangement (100) is disclosed, which is adapted to be coupled to a transmission line (101) arranged to carry direct current for contrallably effecting discontinuation of flow of direct current in the transmission line...
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WO/2014/161737A1 |
A disconnecting switch unit having a first contact piece (4) and a second contact piece (5, 5a, 5b), which are movable in relation to each other and between which a disconnection zone (12) is formed when the pieces are separate, is provi...
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WO/2014/154372A1 |
The invention concerns an electric switching system (10) which is provided with a series circuit consisting of a first circuit breaker/earthing switch (TE1), a power switch (LS) and a second circuit breaker/earthing switch (TE2). Also pr...
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WO/2014/154292A1 |
A switch assembly (100) comprising a vacuum switch (102) mounted to an at least partly electrically conductive housing (104), and a vacuum bottle holder (120) for holding a vacuum bottle (106) of the vacuum switch, which vacuum bottle ho...
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WO/2014/155442A1 |
A circuit breaker is provided with a fixed contact point plate having a fixed contact point that comes into contact with and separates from a movable contact point, a magnetic body disposed near the fixed contact point plate and electric...
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WO/2014/155443A1 |
This circuit breaker is provided with an arc-extinguishing device that extinguishes arcs that occur between contacts. Said arc-extinguishing device has the following: an arc-extinguishing grid comprising a plurality of arc-extinguishing ...
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WO/2014/154286A1 |
A knife switch (100; 130) comprising a hinged contact knife (103), moveable between at least two positions, and a first electric contact element (105), said contact knife being electrically connectable at a first end (104) to a first ele...
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WO/2014/154260A1 |
A circuit breaking arrangement (100) is disclosed, which is adapted to be coupled to a transmission line (101) arranged to carry direct current for controllably effecting discontinuation of flow of direct current in the transmission line...
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WO/2014/146900A1 |
The invention relates to a method for producing a component of a vacuum interrupter, such as a cover (14) or a shielding part (20). Said components are produced having a layer (33) of a solder material. According to the invention, the co...
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WO/2014/146678A1 |
A magnetic actuating device (1) for a current switching device (2) comprises: -a ferromagnetic stator (3) and a ferromagnetic armature (4) which is movable between a first end position (5), which is close to the ferromagnetic stator (3),...
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WO/2014/147831A1 |
[Problem] To provide a tool for mounting an object to be mounted that can securely hold an object to be mounted when an attempt is being made to mount the object to a mounting counterpart and can prevent external force from an operator, ...
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WO/2014/142974A1 |
Direct current (DC) circuit breaker methods and systems are described. In one example, a DC circuit breaker includes a breaker assembly (316) configured to interrupt a DC current, and a controller (315). The breaker assembly (316) includ...
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WO/2014/141901A1 |
A solenoid-operated device equipped with a fixed iron core (6), a movable iron core (7) configured so as to be movable in relation to the fixed iron core, an electromagnetic coil (9) for opening and closing a vacuum valve (1) connected t...
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WO/2014/136513A1 |
A gas blast circuit breaker is constituted by, in a tank filled with arc extinguishing gas: a contact having a pair of separable fixed arc contacts and movable arc contacts; a puffer chamber formed with a puffer cylinder having the movab...
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WO/2014/136262A1 |
Provided is an operation device for switches, comprising: a motor (1a), a motor (1b), a gear mechanism (motor gears (2a, 2b), gears (7a, 7b)) that transmits rotational force from the motors (1a, 1b); a shaft (6) that rotates as a result ...
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WO/2014/136297A1 |
In a plane perpendicular to the axes of fixed-side and movable-side electrode bars (4, 7) to which coil electrodes (9, 11) are attached, said coil electrodes (9, 11) comprise the following: a ring section (17) provided so as to be concen...
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WO/2014/128103A1 |
The invention relates to a high-voltage appliance (10) comprising: an upstream contact (12) and a downstream contact (22) axially movable between a closed position of the appliance (10) and a downstream open position of the appliance (10...
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WO/2014/127830A1 |
The invention relates to a method for switching an operating current in a meshed DC voltage network (1) to enable operating currents in a DC voltage network to be switched economically in both directions. At least one converter (2) conne...
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WO/2014/124713A1 |
A circuit interruption device (10) comprises: a main branch (12); a secondary branch (14) having an electrical on-resistance which is higher than an electrical on-resistance of the main branch (12); and first and second terminals (16, 18...
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WO/2014/122814A1 |
The present invention is an arc-extinguishing insulating material molding disposed in the vicinity of a point of contact of a contactor in a gas circuit breaker. The arc-extinguishing insulating material molding is characterized by inclu...
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WO/2014/122084A1 |
A contact arrangement has a longitudinal axis (z) and comprises at least a first contact (4a) and at least a second contact (4b) interacting electrically and mechanically with each other for closing and opening the contact arrangement. T...
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WO/2014/121483A1 |
Provided are a switch transmission mechanism and a power switch. The switch transmission mechanism comprises a push rod for connecting to a first contact member, a connection rod for connecting to a second arcing contact, a driving-side ...
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WO/2014/122053A1 |
The invention relates to an electrical component (1), comprising an electrical functional chamber (7) and an electrical insulation chamber (8), which is formed between an outer insulation (3) and the electrical functional chamber (7). Th...
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WO/2014/117613A1 |
An apparatus for breaking a line bidirectional current and a control method therefor. The apparatus comprises a breaking current branch circuit (9) and an on-state current branch circuit (30), wherein the breaking current branch circuit ...
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WO/2014/118875A1 |
The present invention provides a switch device whereby reduction of a mass of an actuator is effected and it is possible to implement a rapid acceleration operation, as well as to effect improved reliability. A switch device according to...
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WO/2014/117614A1 |
An apparatus for limiting a current of a circuit or breaking a current, and a control method thereof. The apparatus comprises current breaking branches (29) and bridge branches. The bridge branches comprise two bridge arms formed by four...
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WO/2014/118130A1 |
The invention relates to a movable permanent contact (4) consisting of two portions (8, 11) that are separated by a dielectric spacer (12) and are in communication with the electrical terminal (6) via respective contact coronae (9, 10). ...
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WO/2014/114482A1 |
The invention relates to a switching device arrangement comprising a first contact set (11) and a second contact set (12). Said first contact set (11) comprises a first electric arc contact element (15) and a first nominal current contac...
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WO/2014/114210A1 |
A method for preventing liquefaction of sulphur hexafluoride gas in a high-voltage electrical device. The high-voltage electrical device is provided thereon with a sulphur hexafluoride auxiliary gas storage tank (1), a heating apparatus ...
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WO/2014/113913A1 |
A method for preventing sulfur hexafluoride gas liquefaction of a high-voltage electrical equipment. A sulfur hexafluoride auxiliary gas storage tank (1), a heating apparatus (3) and a connection pipe (2) are provided on the high-voltage...
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WO/2014/113911A1 |
A liquefaction prevention apparatus for a sulfur hexafluoride gas of a sulfur hexafluoride high-voltage electrical equipment, which is connected to a sulfur hexafluoride gas chamber (12) of a high-voltage electrical equipment body (11). ...
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WO/2014/113912A1 |
A sulfur hexafluoride high-voltage electrical equipment used in cold regions, comprising: a high-voltage electrical equipment body (11). A sulfur hexafluoride gas chamber (12) and a density relay (13) are provided in the equipment body, ...
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WO/2014/114483A1 |
The invention relates to a switching arrangement comprising a first contact set (3) and a second contact set (4) which can be moved with respect to the first contact set (3), and an insulating nozzle arrangement (12). The insulating nozz...
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WO/2014/114587A1 |
The invention relates to a method for determining a rate of leakage of an insulation gas from a gas-insulated compartment (C1, C2, C3) of an electrical apparatus comprising a plurality of similar compartments, characterized in that it co...
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WO/2014/114637A1 |
The invention proposes an electrical apparatus (10) comprising a main moving contact (14) and a secondary moving contact (16), which are able to move along the main axis A of the apparatus (10), in which the main moving contact (14) is l...
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WO/2014/114209A1 |
A sulphur hexafluoride high-voltage electrical device for a cold region, comprising a high-voltage electrical device main body (11), a sulphur hexafluoride gas chamber (12) equipped in the device main body and a density relay (13). The s...
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WO/2014/114484A1 |
The invention relates to a switching method for a switching device comprising a first contact side (6) which can be moved in relation to a second contact side (7). Said first contact side (6) comprises a first nominal current contact pie...
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WO/2014/114208A1 |
A liquefaction prevention apparatus for a sulfur hexafluoride gas of a sulfur hexafluoride high-voltage electrical equipment, which is connected to a sulfur hexafluoride gas chamber (12) of a high-voltage electrical equipment body (11). ...
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WO/2014/109815A1 |
An improved circuit interrupter assembly (2) provides enablement of an interlock (56) feature for a circuit interrupter (10) situated within a cabinet (8) having an external handle (38) for switching the circuit interrupter between ON an...
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WO/2014/108558A1 |
The invention relates to electrical cutoff equipment (1), particularly a breaker, including two electrical arc contacts (5a, 5b) designed to be moved from a closed position to an open position, during an opening operation, by means of re...
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WO/2014/109092A1 |
An electromagnetic operation mechanism is constituted by a fixed core, a movable core, a permanent magnet, a drive shaft connected to the movable core, an electromagnetic coil for moving the movable core forward and backward, a movable s...
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WO/2014/106905A1 |
A circuit breaker box (1) provided with an accommodating part capable of accommodating, in the inside thereof, a switching device (11) for opening and closing a junction, and a conductor (20) connected to the switching device (11); the a...
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WO/2014/106912A1 |
[Problem] The problem addressed by the present invention is to provide a vacuum circuit breaker capable of increased compactness by means of reliably grounding a mobile-side terminal in a vacuum circuit breaker main body and mounting a C...
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