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WO/2022/072572A1 |
A switch assembly including a switch and a high impedance element used for energy harvesting purposes that are connected to a power line and assembly electronics. The high impedance element has higher impedance than the switch so that cu...
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WO/2022/069212A1 |
A circuit breaker, a valve assembly and an operating method thereof are provided. The circuit breaker comprises a compression volume surrounding at least a portion of a space between first and second electric contacts, and a low-pressure...
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WO/2022/063555A1 |
In a circuit breaker comprising a switching chamber containing a contact arrangement having at least one main contact (2), the circuit breaker (1) furthermore comprising a main current path (7), the intention is to provide continuous and...
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WO/2022/065638A1 |
Disclosed are a movable contact part and a DC relay including same. The movable contact part according to an embodiment of the present invention includes an upper holder and a lower holder. One holder among the upper holder and the lower...
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WO/2022/063565A1 |
The invention relates to a coupling device (16) having a coupling gearing (22) for coupling a movement of an actuating element (18) of a closing resistor arrangement (14) to a movement of an operating element of a switching unit (12) of ...
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WO/2022/063530A1 |
The invention relates to a medium voltage load break switch. The load break switch comprises a main contact and a knife. The knife is configured to rotate about a pivot point to connect to and be in contact with the main contact and to r...
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WO/2022/063554A1 |
The invention relates to an electric switch (10), having a gas-tight housing (12) in which an interrupter unit (13) is provided for interrupting an electric current. The housing (12) has at least one excess pressure discharge device (14)...
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WO/2022/064850A1 |
Disclosed is a DC circuit switchgear having a novel structure that can suppress the generation of arcs with a compact and simple structure.　The DC circuit switchgear 10, which is connected between a vehicle battery 12 and a motor-side ...
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WO/2022/053391A1 |
The invention relates to a high-voltage circuit breaker (1) and to a method for producing the high-voltage circuit breaker (1), having at least one vacuum interrupter (2) which is supported by at least one holder (5, 6) of the high-volta...
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WO/2022/053255A1 |
The present invention relates to a low, medium or high voltage two or three position switch, comprising. a shaft (6); a sun cogwheel (5); at least one planetary cogwheel (4); and a cogwheel ring (7): The shaft is fixedly connected to the...
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WO/2022/053392A2 |
The invention relates to a vacuum switch (1), comprising a vacuum interrupter (7) with a movable switching contact element (29) and comprising a socket element (5), which is in the form of an electrically conductive hollow body having a ...
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WO/2022/053410A1 |
The invention relates to a high-voltage circuit breaker (1) and to a method for producing the high-voltage circuit breaker (1), having at least one vacuum interrupter (2) which is supported by at least one holder (5, 6) of the high-volta...
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WO/2022/048790A1 |
An apparatus includes: a high-voltage module including: a current interrupter; an actuation system coupled to the current interrupter; a sensor system; and a terminal configured to electrically connect to an external electrical device. T...
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WO/2022/051689A1 |
Series arcing in wiring is a potentially catastrophic situation that has proven to be difficult to detect reliably with existing methods. This invention allows for the quick and accurate detection of series arcing in an electrical circui...
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WO/2022/048322A1 |
A vacuum switch tube for a circuit breaker and a manufacturing method for an outer casing thereof, which belong to the technical field of vacuum switch tubes. The vacuum switch tube for a circuit breaker comprises a casing body (1), a mo...
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WO/2022/044283A1 |
Provided is a switch unit that includes: a switch having a fixed electrode and a moveable electrode; and an electromagnetic actuator that generates a driving force for the switch. The electromagnetic actuator includes an electromagnet fo...
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WO/2022/044063A1 |
This opening/closing device according to an embodiment has first to third movable contacts, first to third transmission mechanisms, first to third containers, a crankshaft, an operating mechanism, and a buffering mechanism. The first to ...
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WO/2022/042953A1 |
Disclosed is a switching module (1) for an on-load tap changer (2), comprising: - a plate (3) having a first face (3.1) and a second face (3.2) opposite the first face (3.1); - a vacuum fault interrupter (10); - a bridge switch (40); whe...
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WO/2022/042954A1 |
Described is an on-load tap changer module (1) for an on-load tap changer (9), comprising: - a support (2), - a load transfer switch (20) having a vacuum interrupter (21) and a bridge switch (25), - a selector (10), - a preselector (40),...
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WO/2022/041829A1 |
Disclosed are a switching device and an arc extinguishing chamber thereof. The arc extinguishing chamber comprises a first contact, a second contact, arcing rings provided between the first contact and the second contact and forming an a...
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WO/2022/042955A1 |
The invention relates to an on-load tap changer (1) for uninterrupted load transfer between different winding taps of a tap-changing transformer (30), comprising a flange module (2) and a union nut (12). The on-load tap changer (1) can b...
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WO/2022/044424A1 |
The present invention provides a gas-insulated switching device that has an arc-driving-type disconnector that prevents the ignition of an arc at a location where the arc driving force in a spiral electrode is weak and uses the spiral el...
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WO/2022/037971A1 |
The invention relates to a switchgear (1) for medium and/or high voltages as well as to a method for data exchange in the switchgear, the switchgear comprising at least two switching units (2) and at least one data acquisition unit (3). ...
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WO/2022/033909A1 |
The invention relates to an improved vacuum interrupter for low-voltage, medium-voltage and high-voltage switchgears, to a switching device having such an improved vacuum interrupter, and to a switchgear having such an improved vacuum in...
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WO/2022/033841A1 |
The invention relates to a high-voltage circuit breaker (1) and to a method for manufacturing a high-voltage circuit breaker (1), said circuit breaker comprising at least one vacuum interrupter (2) which is supported by at least one hold...
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WO/2022/029379A2 |
The invention relates to a breaking device (28) for a high-DC-voltage current including, in succession, an isolating switch (48), a first primary point (44.1) and a first breaking module (40.1), characterized in that the breaking device ...
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WO/2022/027877A1 |
A method and apparatus for measuring the movement speed of a contact of a vacuum switch. The method comprises: firstly, acquiring arc images of a vacuum switch during a switch-off process; then, performing edge enhancement processing on ...
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WO/2022/030086A1 |
A vacuum valve (100) according to the present disclosure is characterized by having a linear resistive layer (10) and a non-linear resistive layer (11) disposed so as to cover at least part of the periphery of an insulating container (1)...
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WO/2022/028845A1 |
The present invention relates to a drive for a low, medium and high voltage switch, comprising: a pushrod (10); a sun cogwheel (30); at least one planetary cogwheel (40); and a cogwheel ring (60): The pushrod comprises a threaded portion...
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WO/2022/029931A1 |
In this DC circuit breaker (1), a pair of insulating side wall plates (27) are positioned so as to sandwich a securing contact (7), a first arc runner (3), a movable contact (11), and a second arc runner (5). A spacing (S1) between the i...
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WO/2022/024168A1 |
A control device (10) comprises: two terminals (101, 102); a relay (12) having a contact (121) for switching the opening/closing of a current path between the two terminals (101, 102); a switching part (13) for switching a first resistan...
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WO/2022/017644A1 |
A circuit breaker (10) includes a vacuum interrupter (13) having a closed position and an open position. The circuit breaker includes a linkage (14) operatively coupled to and extending from the vacuum interrupter and a high-speed actuat...
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WO/2022/015153A1 |
The present invention discloses a remotely controlled motorized racking assembly for a vacuum circuit breaker, VCB. The assembly comprises a rotary motor tool for engaging a draw-out unit of a VCB truck, a rotary motor member deployed to...
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WO/2022/009264A1 |
This switch (20) comprises: a fixed contact (32); a movable contact (31); motors (22, 49) that drive the movable contact (31) via a drive mechanism (30) that converts a rotary motion into a linear motion; and drive control devices (21, 4...
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WO/2022/008118A1 |
The invention relates to a short-circuit current limiter, comprising a vacuum switch (4) in a main current path (12) and a current limiting unit connected in parallel therewith in a commutation current path. The vacuum switch (4) compris...
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WO/2022/007892A1 |
The present invention relates to the technical field of corrugated pipes, and specifically relates to a corrugated pipe assembly, a vacuum interrupter, and a vacuum circuit breaker. The corrugated pipe assembly comprises: a corrugated pi...
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WO/2022/007962A1 |
A circuit breaker having an optimized structure, the circuit breaker comprising a circuit breaker housing, a release (5), a locking mechanism (4), an operating mechanism (2), a contact system (3), and an arc extinguishing system (6). The...
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WO/2022/002912A1 |
A conductor arrangement (100) for a circuit breaker interrupter, the conductor arrangement comprising: a tubular body conductor (102) comprising a first metal material, and an at least partly tubular contact conductor (104) comprising a ...
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WO/2022/000584A1 |
A bus transfer current apparatus with high opening and closing parameters, the apparatus comprising: a moving contact (300), a stationary contact (400), a stationary-side arc extinguishing apparatus (100), and a moving-side arc extinguis...
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WO/2022/001662A1 |
Disclosed are a method for controlling the switching-off and switching-on of a circuit breaker, and a circuit breaker. The method comprises: after an action instruction is received, acquiring a zero-crossing moment of the current working...
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WO/2021/259517A1 |
An electrically insulating housing including a mechanical interface, the mechanical interface configured to mechanically connect the electrical connector to or disconnect the electrical connector from a bushing of an external device; an ...
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WO/2021/253317A1 |
An Electrical Protective Device for Low-Voltage DC networks (EPDL) has a controller that on start-up first closes a mechanical relay (20) in a ground line, waits a first delay, then closes a bipolar transistor (24) to allow current to fl...
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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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