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Matches 1 - 50 out of 35,749

Document Document Title
WO/2018/131248A1
Provided is a highly reliable, compact and inexpensive device. An arc-quenching device (2) is equipped with a semiconductor switch (TR4) connected in parallel to a mechanical first switch (SW1), a constant voltage circuit (22) for output...  
WO/2018/131307A1
[Problem] To provide, in an arc-suppressing device for blocking an alternating current power, an arc-suppressing device capable of extending the lifespan of a circuit breaker switching between supplying and blocking an alternating curren...  
WO/2018/131249A1
The present invention prevents unnecessary activity of a load device when starting up a power supply. An arc-quenching device (2) is equipped with a semiconductor switch (TR4) connected in parallel to a mechanical first switch (SW1), a p...  
WO/2018/131797A1
Disclosed is a real-time detection/recovery system of a power line failure in a power distribution system, which immediately alerts, shuts off, and recovers power in real-time when a disconnection, a resistance increase, a contact failur...  
WO/2018/131124A1
In the present invention, a movable rod (9) is driven from the outer side of a second flange (3) of an insulation cylinder (1) via a manipulation shaft (10), and the number of components in a drive mechanism of the movable rod (9), dispo...  
WO/2018/131250A1
In order to improve compactness and reduce price, an arc-quenching device (1) is equipped with a semiconductor switch (TR4) connected in parallel to a mechanical first switch (SW1), a constant voltage circuit (22) for outputting a voltag...  
WO/2018/130296A1
A switchgear comprises a circuit breaking section (12) having a moveable contact bridging element (22) and at least one first arc chutes (18, 20) adjacent the contact bridging element (22), each arc chute (18, 20) comprising a base plate...  
WO/2018/122901A1
[Problem] To provide a mechanism for moving an arc-extinguishing chamber of a direct current circuit breaker wherein the maintenance and inspection of contacts can be performed readily, and safely in a short-time. [Solution] The inventio...  
WO/2018/124515A1
The present invention relates to a conductor for a gas insulated switch and a method for manufacturing the same. An insulation layer (16) comprising ethylene tetrafluoroethylene as a main material is formed on the surface of a conductor ...  
WO/2018/124568A1
A three-phase opening and closing control device of the present invention is a three-phase opening and closing control device which controls a breaker connected between a three-phase transformer and a system power supply, wherein the dev...  
WO/2018/122630A1
The invention provides a contact assembly for a switchgear. The contact assembly has a first contact with at least two cylindrical pin contact elements, wherein a first cylindrical pin contact element is coaxial to a second cylindrical p...  
WO/2018/119877A1
Disclosed is a load switch, comprising a sealing case (1), wherein insulating bushes (2) are respectively arranged on the walls on two sides of the sealing case (1); two insulating shafts (3) are arranged between the two insulating bushe...  
WO/2018/124539A1
The present invention relates to a structure for preventing the escape of a manual handle for a manipulator. To this end, the present invention comprises: a manipulator body; an output shaft rotatably disposed at the manipulator body; a ...  
WO/2018/114204A1
An electrical switching device comprises a first switching contact piece (2) and a second switching contact piece (3). Said switching contact pieces (2, 3) can be displaced in relation to each other. The first switching contact piece (2)...  
WO/2018/117591A2
Disclosed is an inverse current injection-type direct current blocking device and method using a vacuum gap switch. The direct current blocking device comprises: a main electric conduction unit including a main blocking switch that is a ...  
WO/2018/115753A1
The invention relates to a DC high-voltage electrical installation comprising a switching device (22) for switching an electric current in the main circuit (24), and a method for controlling the closure of a switching device in such an i...  
WO/2018/107714A1
An integrally cast vacuum circuit breaker monopole, pertaining to the technical field of circuit breakers. The vacuum circuit breaker monopole comprises a cast sealed body (13), an inlet terminal insert (11), a vacuum arc-extinguishing c...  
WO/2018/110107A1
Conventional resistance-welded flexible conductors have the problem of high material cost because a plating treatment is conducted not just on a conducting surface, but on other surfaces as well. The present invention provides a flexible...  
WO/2018/108768A1
A switching apparatus (30) comprises a plurality of current-conductive branches (32) connected in parallel between first and second terminals (34, 36), each current-conductive branch (32) including at least one respective electrical conn...  
WO/2018/109931A1
Provided is a gas-insulation switch device wherein insulation performance is improved by efficiently eliminating residual hot gas, and capable of readily achieving the shut-off requirements demanded of a high-voltage switch. In this inve...  
WO/2018/108769A1
A switching apparatus (30) comprises: a plurality of parallel-connected current-conductive branches (32), each current-conductive branch (32) including at least one respective gas tube switch (34); and a switching control unit (100) conf...  
WO/2018/108990A1
The invention relates to a gas-insulated switchgear (GIS) (100) comprising a disconnector-earthing switch (DES), the DES (10) comprising a housing (11), a disconnector piston (30) and an earthing piston (40), the DES (10) further compris...  
WO/2018/108770A1
A switching apparatus (30) comprises a plurality of parallel-connected current-conductive branches (32), each current-conductive branch (32) including at least one respective gas tube switch (34), wherein the switching apparatus (30) fur...  
WO/2018/109889A1
Provided is a testing apparatus for a DC circuit breaker that verifies the cutoff performance of a DC circuit breaker. The testing apparatus for a DC circuit breaker cutting off a direct current comprises: a current source circuit A that...  
WO/2018/104054A1
The present disclosure relates to an electrical DC switching system (1) for extinguishing an electric arc, wherein the electrical DC switching system comprises: a contact arrangement (3) having a first contact (3a) and a second contact (...  
WO/2018/095602A1
Disconnecting device for a power line comprising at least one first connection part, at least one second connection part and at least one disconnecting location arranged between the first and second connection parts, wherein the disconne...  
WO/2018/091154A1
An electric terminal (1, 2) for an electric pole unit (100) of a switching device, said electric terminal being adapted to be electrically connected to a current breaking unit (5) of said electric pole unit and to an external conductor a...  
WO/2018/093704A1
An electrical contact (100,200) for a vacuum switching apparatus. The vacuum switching apparatus (2) includes a second electrical contact. The electrical contact (100) includes a hub portion (102) and a plurality of petal portions (110,1...  
WO/2018/086500A1
A device suitable for dynamically extinguishing an electric arc of an electrode comprises: a first electrode (P1), a second electrode (P2), and an electric arc extinguishing device (A). The first electrode (P1) is connected, via the elec...  
WO/2018/083309A3
Disclosed is a power circuit-breaker (2, 12, 20) for high voltage networks, comprising a switching element (4) and a locking device (6), the locking device being designed to lock or release the switching element in a deactivation positio...  
WO/2018/083309A2
The invention relates to a power circuit-breaker for high voltage networks, comprising a switching element (4) and a locking device, the locking device being designed to lock or release the switching element (4) in a deactivating positio...  
WO/2018/078114A1
The present invention concerns a method for treating a material made from polyamides(s) comprising silica fibres and/or fillers, by impregnating with at least one hydrophobic additive in supercritical CO2. The invention also relates to a...  
WO/2018/077832A1
The invention relates to a pole part for medium voltage switchgear, with a vacuum interrupter embedded in an insulating housing made of epoxy-, bulk moulded component- or thermoplastic or other plastic material, with a bottom part provid...  
WO/2018/069738A3
An electrical interrupter device for switching a short-circuit electrical current in an electric circuit is disclosed. The device comprises a vacuum evacuated housing (58); first and second electrodes (54, 56) at least partially located ...  
WO/2018/069738A2
An electrical interrupter device for switching a short-circuit electrical current in an electric circuit is disclosed. The comprises a vacuum evacuated housing; first and second electrodes at least partially located within the housing. T...  
WO/2018/069627A1
The invention concerns a switch for a high or medium voltage DC grid, comprising a DC circuit breaker (5) the sealed chamber of which contains a gaseous fluid comprising at least 70% by volume carbon dioxide at a pressure of between 0.65...  
WO/2018/066187A1
This gas circuit breaker (1) comprises a fixed contactor (25), a mobile contactor (30) having a first end portion (31) on a fixed contactor (25) side, and a gas-blasting portion (13, 16, 20, 22, 26, 55). The gas-blasting portion (13, 16,...  
WO/2018/066119A1
Provided is a gas circuit breaker that is able to exhibit excellent breaking performance by determining an exhaust direction of heat gas even when the space for treating the heat gas is reduced in size. A movable part 4 is provided with ...  
WO/2018/059884A1
The invention relates to a system (1) and to a method for switching high voltages with a switching path which comprises at least two serially connected switching units (2, 3). Each switching unit (2, 3) comprises at least one support ele...  
WO/2018/061269A1
The vacuum valve according to an embodiment of the invention comprises: a cylindrical ceramic vacuum insulation container; a fixed-side sealing metal piece sealing one end open portion of the vacuum insulation container; a fixed electrod...  
WO/2018/059921A1
The invention relates to a motor (1) for a circuit breaker drive and to the use thereof, said motor (1) having a rotor, which is movably mounted by means of a first and a second end shield (3, 4). A laminated core (5) at least partly spa...  
WO/2018/059791A1
A contactor (1) for medium voltage electric systems comprising: - one or more electric poles (3); - for each electric pole, a fixed contact (31) and a corresponding movable contact (32) reversibly movable between a first position (A), at...  
WO/2018/058196A1
An electrical switchgear assembly (100) including: a pair of electrical contacts (104a, 104b); a bushing (200) defining an internal chamber (201) in which the electrical contacts are located; a viewer (208), suitably including a window p...  
WO/2018/054851A1
The invention relates to a high-voltage switching device comprising a vacuum chamber and a switchgear comprising a high-voltage switching device. The invention also relates to a method for producing a high-voltage switching device compri...  
WO/2018/054677A1
The invention relates to a vacuum switch (1) comprising two mutually spaced bases (3, 5), a vacuum tube (7) which is arranged between the bases (3, 5) and is connected to the two bases (3, 5), a first switching element (9) which is arran...  
WO/2018/057625A1
A method includes measuring, by at least one processor, a time at which control circuitry sends an instruction to a switch structured to control transmission of electrical power. The method further includes sensing, by at least one senso...  
WO/2018/054615A1
The invention relates to a cable junction sleeve assembly (K), in particular for electrical power supply, in particular at the medium voltage level, wherein an interrupting unit (507), which can be switched by means of a drive unit (505)...  
WO/2018/054849A1
The invention relates to a high-voltage switching device with a vacuum interrupter chamber and to a switching system with a high-voltage switching device. The invention also relates to a method for producing a high-voltage switching devi...  
WO/2018/052941A1
A cooling system (100) for a circuit breaker (10) is provided. The cooling system (100) includes a temperature management unit (110), a power assembly (150), and a heat dissipating assembly (200). The temperature management unit (110) is...  
WO/2018/050997A1
The invention relates to a method for protecting a network comprising: -electrical lines (120, 130, 230); -three nodes (10, 20, 30) for interconnection with: -a high-voltage interface with controlled switches; -a local network interface;...  

Matches 1 - 50 out of 35,749