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WO/2021/255869A1 |
A vacuum valve (10) is provided with an insulated container (1), a fixed-side electrode (2) provided with a fixed-side contact (21), a fixed-side longitudinal magnetic field coil (22) for generating a magnetic field on the surface of the...
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WO/2021/256387A1 |
In a vacuum container (1) of a vacuum interrupter (1A), an insulative cylindrical body (10) is sealed with a fixed-side flange (11a) on the fixed side in the axial direction, and is sealed with a movable-side flange (11b) on the movable ...
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WO/2021/250181A1 |
The present invention concerns a medium- or high-voltage equipment including a leaktight enclosure in which there are located electrical components and a gas mixture for providing electrical insulation and/or for extinguishing electric a...
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WO/2021/250280A1 |
The invention relates to a switchgear arrangement comprising a switchgear device system and a digital twin system (1) for providing currently unmeasurable state information about the switchgear device system, wherein the switchgear devic...
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WO/2021/240966A1 |
This interlock mechanism 1 is applied to, e.g., a gas insulated switch device 2 provided with a disconnector and a grounding switch. The interlock mechanism 1 comprises a rotating shaft 4, a grounding switch lock mechanism 5, and a disco...
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WO/2021/239283A1 |
The invention relates to a switching device for a DC voltage network, comprising: - a first controllable semiconductor switch, which has a gate and two load contacts; and - a controller for the first semiconductor switch, the controller ...
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WO/2021/238148A1 |
Disclosed is an auxiliary device for a vacuum load switch operating mechanism. The auxiliary device comprises a switch cabinet (1) and is characterized in that a mounting frame (9) is arranged on an inner wall of the bottom of the switch...
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WO/2021/240733A1 |
Provided is a vacuum valve capable of improving the magnetic field strength in the axial direction even in a contact part in an area other than an area of a contact part corresponding to an area surrounded by an arm part and a coil part....
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WO/2021/239739A1 |
The invention relates to an induction-controlled switch having a vacuum bulb (1), comprising: - a vacuum chamber (110); - a first switch (111) comprising first and second electrodes (1113, 1111), the first switch (111) further comprising...
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WO/2021/234870A1 |
A connection bellows (150) includes a first bellows (151) and a second bellows (152) having a higher spring constant than the first bellows (151). A connection member (160) is joined to the adjoining first bellows (151) and second bellow...
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WO/2021/234112A1 |
A switch system (200, 300, 400), comprising: a mechanical switch (210) for switching electrical currents, comprising a closed state and an open state; an actuator (100), configured to change the state of the mechanical switch (210), wher...
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WO/2021/234108A1 |
A switch system (500, 600, 700), comprising: a mechanical switch (210) for electrical currents, comprising a conductive state and a non conducive state; a first actuator (100) configured to change the state of the mechanical switch, wher...
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WO/2021/228384A1 |
Embodiments of the present disclosure relate to nominal contact finger and circuit breaker. A nominal contact finger for use in a circuit breaker includes a contact finger spring made by a conductive wire.
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WO/2021/224006A1 |
The invention relates to a high-voltage circuit breaker (1) comprising at least one vacuum interrupter (2) that is arranged in at least one housing (3), and to a method for insulating at least one vacuum interrupter (2) in at least one h...
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WO/2021/215525A1 |
The present invention controls the arc generated between two contacts in a switch with contacts. An arc restriction mechanism 100 that comprises: a first contact 111 and a second contact 121 that can come into contact and separate; and a...
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WO/2021/215706A1 |
The present invention relates to a conductor for a gas-insulated switchgear, comprising a conductor body and a ring member provided at the end side of the conductor body. Therefore, the present invention reduces welding while increasing ...
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WO/2021/208355A1 |
A switch cabinet interlock mechanism for preventing five types of accidental operations has a locking rotating shaft (3) provided with a connection plate (31). The connection plate (31) is linked to a circuit breaker shaft (10). A openin...
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WO/2021/210048A1 |
A vacuum valve (1) is provided with, as a heat dissipation structure: a heat dissipation layer (11) on portions of the surfaces of a fixed-side electrode rod (5) and a movable-side electrode rod (6) which are heat generation parts; and a...
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WO/2021/205518A1 |
A first magnetic field application part (160) is positioned below a first edge part (140e) and includes a first magnet (161). A second magnetic field application part (170) is positioned below a second edge part (150e) and includes a sec...
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WO/2021/204992A1 |
An electric circuit breaker (1a..1c) is disclosed, which comprises two static main contacts (3a, 3b), at least three static arcing contacts (4a..4c), a contact piece (8a, 8b) which is movably supported in relation to the static main cont...
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WO/2021/206174A1 |
Provided is a dielectric which contains a halogenated olefin having two to four carbon atoms, and which has a mass-based water content of 6,000 ppm or less.
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WO/2021/204488A1 |
The invention relates to a method for determining a fluid density of a fluid in an encapsulated electrical device (1). In the method, measurement data (5) is detected using a sensor unit (3), from which measurement values (9) for the flu...
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WO/2021/206033A1 |
Provided are: a switching circuit which can suppress generation of chattering and leakage current while suppressing generation of arcing; and a method for controlling the switching circuit. In a switching circuit 2, a semiconductor switc...
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WO/2021/197803A1 |
The present invention relates to a method for the formation of contacts (1, 2) of a vacuum switching device (100), having the following steps: S1) generating an electric arc between the surfaces of the contacts (1, 2) by way of a DC curr...
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WO/2021/201536A1 |
The present invention relates to a power device for continuously detecting entrance and exit positions, the power device comprising: a cradle having a cradle terminal formed on the rear side; a circuit breaker mechanically and electrical...
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WO/2021/197619A1 |
Embodiments of present disclosure relates to an electric device. The electric device comprises a first voltage sensor, a second voltage sensor, a current sensor, an actuator and 5 a controller. The first voltage sensor is configured to s...
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WO/2021/202717A1 |
A switch including a first electrical terminal, the first electrical terminal including a blade pivotable between an open position and a closed position, and a rod extending from the first electrical terminal parallel to the blade. The s...
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WO/2021/196024A1 |
An apparatus (20) for driving a body of a HV switch. The apparatus (20) comprises a pin (22), a mechanism (40) assembly comprising a first bar (42), a cam (24) comprising a cam groove (241); a motor (26) adapted to cause the pin (22) to ...
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WO/2021/197666A1 |
A circuit breaker includes a compact pole unit with an encapsulated body having ring(s) and conducting terminals that each extend from the encapsulated body. The body includes a vacuum interrupter and a coupler assembly that may be integ...
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WO/2021/197812A1 |
The disclosure relates to a trigger apparatus (100), for example for operating a switching device by means of an actuator. The trigger apparatus (100) has a solenoid (110), which has a magnet coil (112) having an electrical connection (1...
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WO/2021/193359A1 |
The present invention comprises an arc shield (20) that surrounds the outer periphery of a fixed electrode (13a) and a movable electrode (13b), a fixed-side insulating unit (21a) in which a fixed-side insulator (22a) is provided so as to...
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WO/2021/190855A1 |
The invention relates to an electrical short-circuiting device for medium and high voltage, comprising a tube a first contact and a second contact, which are mutually spaced apart in a disconnected position of the short-circuiting device...
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WO/2021/187784A2 |
Disclosed are a blocking member and a circuit breaker for wiring comprising same. The circuit breaker for wiring according to an embodiment of the present invention comprises the blocking member. The blocking member comprises a plurality...
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WO/2021/182791A2 |
A bypass switch for a STATCOM and an HVDC of the present invention is characterized by: a switch body having a column; a switch head which is coupled to the column and in which a sliding part is provided so as to be slidable up and down;...
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WO/2021/180637A1 |
The invention concerns a fault localization system (2) comprising: - at least one transceiver (12) meant to be arranged within a gas-insulated switchgear (4) and configured to output a detection signal corresponding to a received electro...
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WO/2021/180413A1 |
The present invention relates to a switching arrangement (10) having a plurality of at least two contact arrangements (12a, 12b) and a blasting arrangement (18) for blasting the contact arrangements (12a, 12b) with insulation gas (20), w...
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WO/2021/182786A1 |
An arc extinguishing unit and an air circuit breaker comprising same are disclosed. The arc extinguishing unit according to an embodiment of the present invention comprises an arc extinguishing magnet located above a grid. The arc exting...
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WO/2021/175537A1 |
The invention relates to an insulation medium for an electric energy transfer device, said insulation medium (13) being a fluid at room temperature and at atmospheric pressure and having at least the following components: > 50 vol. % to ...
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WO/2021/175534A1 |
An electromechanical switching device (10) for breaking an electric current, the switching device (10) comprising a stationary main contact (12); a movable main contact (14); a stationary arcing contact (16); a movable arcing contact (18...
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WO/2021/176751A1 |
An electromagnetic-operation-type switching device has: a main circuit switching unit that has a blocking unit; an operating mechanism unit that has a movable iron core, a fixed iron core, and a coil; and a link mechanism unit that links...
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WO/2021/175554A1 |
The invention relates to a drive unit (10) for driving switching contacts of a high-voltage circuit breaker (50), comprising an operating element (12), a plurality of actuating elements (16, 18, 20) for actuating the switching contacts, ...
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WO/2021/170208A1 |
Embodiments of present disclosure relates to a method for monitoring vacuum interrupter's condition of an electric device. The method comprises receiving a first voltage signal indicating a first voltage at a first contact of a switch in...
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WO/2021/170330A1 |
The invention relates to an electric operating means (1) having a vacuum chamber (2) with a housing (5, 6) in which a movable electric contact (7) is arranged. The invention is characterized in that the contact (7) is designed to be pres...
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WO/2021/169949A1 |
Provided by the present application are a contact device and an electromagnetic switch. The contact device comprises a static contact and a moving contact assembly, the moving contact assembly comprises a push rod, a contact support, an ...
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WO/2021/171355A1 |
This vacuum valve unit (1) is provided with: a vacuum vessel (3); a cylindrical body (8); a partition part (9) partitioning between the interior of the vacuum vessel (3) and the interior of the cylindrical body (8); a movable conductor (...
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WO/2021/165119A1 |
A circuit interruption device (20) comprises: first and second terminals (22, 24) for connection, in use, to a respective electrical circuit or network (34); a current-conductive branch including first, second and third current-conductiv...
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WO/2021/166170A1 |
An insulating nozzle according to the present invention is used for an arc-extinguishing device of a gas breaker and includes a fluororesin mixture containing: a fluororesin; and a carbon suppressant that reacts with carbon generated fro...
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WO/2021/167263A1 |
The present invention provides an interrupter (10) for a bypass switch, comprising: a movable electrode (100) having a protrusion part (110) formed at one end thereof; a fixed electrode (200) having a first groove part (210) formed to co...
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WO/2021/160975A1 |
The invention relates to a mechanical cut-off device (10) for a high-voltage electrical circuit (2), comprising: - in a main electrical path (2P), a main mechanical switch (DS1); - in a parallel secondary electrical path (2S), a secondar...
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WO/2021/160372A1 |
The invention relates to an arrangement for detecting arcs in a low-voltage circuit, said arrangement comprising: - at least one voltage sensor for periodically determining voltage values (um(t)) of the low-voltage circuit, - at least on...
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