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WO/2021/142283A1 |
ABSTRACT A DC circuit breaker (200) includes a gas discharge tube (GDT) (100) coupled in parallel with an extinguishing path (220). The GDT conducts and interrupts a load current through a normal current path. The GDT includes a thermion...
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WO/2021/140668A1 |
This vacuum interrupter (50) has: a grounded tank (1); a vacuum valve (2) having a vacuum container (2c) accommodating a movable-side contact (2a) and a fixed-side contact (2b), a movable conductor (7) that is connected to the movable-si...
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WO/2021/138366A1 |
A high voltage electric switch includes contacts with graphite carbon electrode forming the arc gap. In addition, the carbon contacts are located in a chamber containing at least 60% carbon dioxide (C02) as a dielectric gas to achieve im...
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WO/2021/129369A1 |
A circuit breaker and a resistor break transmission structure thereof. The resistor break transmission mechanism of the circuit breaker comprises transmission crank arms (2, 10), a driving lever (6) and an intermediate transmission rod (...
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WO/2021/121838A1 |
The invention relates to an electrical switching device (2), comprising: an interrupter unit (4) having two contacts (12, 13), at least one of which is in the form of a moving contact (12); and a drive unit (6), which comprises a drive e...
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WO/2021/121831A1 |
The invention relates to a method for conditioning contact pieces (12, 14) for electrodes (16, 18) of a vacuum interrupter (20) by generating an arc (42) between the contact pieces (12, 14), which are arranged spaced apart along an axis ...
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WO/2021/125447A1 |
The present invention provides a plug interlock device for a circuit breaker, comprising: a lever-type withdrawable interlock assembly (130) provided at a transfer car (120) so that inputting and withdrawal of a breaker main body (110) c...
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WO/2020/105245A9 |
Disclosed is a vacuum interrupter with which it is possible to determine the operating state at an early stage. This vacuum interrupter (156) is provided with: a vacuum valve; a manipulator for manipulating the opening and closing of the...
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WO/2021/119938A1 |
A hybrid circuit breaker (100), a hybrid circuit breaker system, and a circuit breaker method. The hybrid circuit breaker (100) comprises: a first mechanical contact (MC1); a semiconductor circuit breaker (MSS), which is connected to the...
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WO/2021/121832A1 |
The present invention relates to a method for producing an electrical switch contact arrangement for a vacuum circuit breaker, said method comprising at least the steps: a) providing two electrical contact pieces made of copper or a copp...
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WO/2021/125457A1 |
The present invention relates to a withdrawal/insertion prevention mechanism for a vacuum circuit breaker and a vacuum circuit breaker comprising same, and specifically, to a withdrawal/insertion prevention mechanism for a vacuum circuit...
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WO/2021/115214A1 |
A deformable conductive connection mechanism (100), comprising: a contact guide seat (110) and two contact pieces (120, 130). The two contact pieces (120, 130) are mounted on two sides of the contact guide seat (110) by means of several ...
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WO/2021/113252A1 |
A method for performing a low energy pulse testing in a power distribution network that causes contacts to close and then open in about one fundamental frequency cycle of current flow time and close on a voltage waveform that produces sy...
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WO/2021/113253A1 |
A switch assembly including a switch and a high impedance element used for energy harvesting purposes that are connected to a power line at one end and assembly electronics at an opposite end, where in one non-limiting embodiment the swi...
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WO/2021/110248A1 |
The present invention relates to a bellows for a vacuum interrupter, exhaust compensator or valve. The bellows comprises a main body comprising a first material. The main body comprises a first end portion and comprises a second end port...
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WO/2021/105259A1 |
The invention concerns a double-motion circuit breaker (10) comprising primary and secondary movable contacts (25, 55) slidingly mounted within primary and secondary holders (20, 50), wherein the primary movable contact (25) comprises a ...
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WO/2021/106191A1 |
This direct-current circuit breaker has a mechanical circuit breaker, a surge arrester, and a commutation circuit. The mechanical circuit breaker is connected to a first direct-current transmission line at a first end thereof and to a se...
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WO/2021/100188A1 |
A diagnosis device according to an embodiment has an acquisition unit and a diagnosis unit. The acquisition unit acquires information pertaining to operation of a switchgear for opening and closing an electrical path in an insulating gas...
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WO/2021/094226A1 |
A circuit breaking apparatus (100) comprises a circuit breaker (110), a motor drive system (120), and a controller (150). The circuit breaker (110) is electrically connectable to a power line (115). The motor drive system (120) is mechan...
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WO/2021/095206A1 |
This electromagnetic actuator (100A) is provided with: a cylindrical coil (1); a movable iron core (2) capable of moving in the direction of the central axis of the coil (1) from an initial position when a contact used in a breaker is in...
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WO/2021/090420A1 |
According to the present invention, a face plate (10) disposed in a front part (20) of a vacuum switching device (100) accommodated in a switchgear (200) has a configuration in which an upper plate (1) and a lower plate (2) are integrate...
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WO/2021/090449A1 |
This circuit breaker (100) is provided with a fixed electrode (3), a movable part (4), a fixed plate (1), and a movable plate (2). The fixed plate (1) and movable plate (2) which are composed of magnetic material are arranged such that a...
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WO/2021/084585A1 |
This DC circuit breaker (1) cuts off DC current flowing in a DC line (2). The DC circuit breaker (1) is provided with: a fault current breaker unit (3), which is a first breaker unit, and a load current breaker unit (4), which is a secon...
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WO/2021/083609A1 |
The invention relates to a vacuum switch device (1) comprising a housing body (2), a stationary electrical contact (3) and a moving electrical contact (4), which is arranged within the housing body (2) and such that it can move relative ...
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WO/2021/078207A1 |
The present application discloses a switching transistor, comprising an insulator, a first electrical conductor, and a second electrical conductor. The first electrical conductor and the second electrical conductor are respectively dispo...
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WO/2021/078943A1 |
The present invention relates to a method and device for controlling operating of a switching device in a power system comprising a power source connected with a load in a three- phase configuration. There is coupling between at least tw...
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WO/2021/078409A1 |
A switching apparatus includes: a body including: a sidewall that extends from a first end to a second end, the sidewall defining an interior space; and a plurality of electrically insulating sheds that extend radially outward from an ex...
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WO/2021/071036A1 |
The present invention provides a switching device for a vacuum circuit breaker. The switching device for a vacuum circuit breaker comprises: a pair of side plates arranged in parallel to each other; a lever unit rotatably arranged betwee...
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WO/2021/070409A1 |
Provided are a disconnector and a switchgear, said disconnector having a structure for preventing an electric field from concentrating at an opening end of a spiral electrode. This disconnector is characterized by having a sealed conta...
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WO/2021/069169A1 |
The invention relates to a power switch (1). The power switch (1) comprises: a vacuum interrupter chamber (3); metal holders (5, 7) arranged on opposite sides of the vacuum interrupter chamber (3); a housing (9) having a housing wall (25...
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WO/2021/059875A1 |
The present invention addresses the problem of providing a railroad vehicle switch with which weight reduction is achieved due to a load capacity restriction, and a method for manufacturing said switch. To solve this problem, a railroa...
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WO/2021/059588A1 |
The present invention provides a gas circuit breaker with which interruption performance can be improved without a new operation component being provided thereto. This gas circuit breaker comprises: a puffer cylinder (8) provided, on one...
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WO/2021/058231A1 |
The invention relates to an assembly (10) for a high-voltage circuit breaker, comprising one of two high-voltage circuit breaker continuous current contact pieces (14) which can be moved relative to each other along a switch longitudinal...
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WO/2021/054338A1 |
Provided is a current interruption device equipped with: a current limiting element that is provided in a power supply path from a predetermined power source to a load device and exerts a current limiting action if a current flowing thro...
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WO/2021/052950A1 |
Embodiments herein describe a tube contact (300) configured for receiving the pin contact (401), the tube contact (300) comprising a top portion (301) configured for establishing an arc with the pin contact (401) and a bottom portion (30...
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WO/2021/053968A1 |
The purpose of the present invention is to provide a solid-insulated switch capable of improved insulation for the movable side of a vacuum valve even in a high-humidity environment without an increase in the size of an insulating film. ...
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WO/2021/051401A1 |
Provided are an electric arc detection apparatus, an electric arc fault protection appliance, and a method for manufacturing an electric arc detection apparatus. The electric arc detection apparatus comprises: a frequency sweep filtering...
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WO/2021/049733A1 |
The present invention provides a contact monitoring device for a vacuum circuit breaker. The contact monitoring device is provided in a vacuum circuit breaker comprising: a vacuum interrupter having a fixed electrode which is fixed in an...
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WO/2021/047795A1 |
An operating mechanism (14) for a circuit breaker (10) including an opening, first actuator assembly (100) and a closing, second actuator assembly (200). The first actuator assembly (100) is structured to operatively engage at least one ...
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WO/2021/043549A1 |
The invention relates to a separating wall (5) for dividing a heating volume (3) of a power circuit (1) into a first sub-volume (3.1) and a second sub-volume (3.2). The separating wall (5) comprises at least one wall opening (6) which al...
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WO/2021/044289A1 |
System for safe management and generation of plant conduct reports in plants using fluorinated gases, which system comprises: a plant operating based on a fluorinated gas or a mixture of fluorinated gases and comprising rooms for the con...
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WO/2021/043548A1 |
The present invention relates to a switch assembly for an air-insulated high-voltage circuit breaker at least comprising a main switch and an auxiliary switch, the main switch comprising a single-column circuit breaker with at least one ...
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WO/2021/043613A1 |
The present invention refers to an optimized method of monitoring a circuit breaker. Furthermore, the present invention refers to a circuit breaker being adapted to perform such method. Additionally, the present invention refers to a mon...
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WO/2021/038978A1 |
A commutation-type direct-current circuit breaker 2 that interrupts current by extinguishing the arc of a principal switch 11 by means of a commutation current E that negates a fault current XR. The commutation-type direct-current circui...
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WO/2021/038706A1 |
The purpose of the present invention is to provide an electrical contact to which a low boiling point metal has been added, the electrical contact being capable of ensuring mechanical strength and conductivity at the same time. The ele...
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WO/2021/031782A1 |
An insulating pull rod, comprising conductive connectors (1), carbon fiber yarns, and a pull rod body (3). The pull rod body (3) is formed by dipping glass fiber yarns in epoxy resin and then drawing and pultrusion; a conductive connecto...
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WO/2021/028138A1 |
The invention relates to an electrical switching device comprising a switching path (2) and a flow device having a control valve (13, 13a, 13b, 13c). By means of the flow device, a fluid can flow on the switching path (2). The control va...
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WO/2021/028085A1 |
The invention relates to a switching device comprising: two interrupter units (4) connected in series; at least one drive unit (6) for moving at least one contact; and two control capacitors, each of which is connected in parallel with t...
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WO/2021/023282A1 |
A coaxial lead structure and method for outward radiation of UHF partial discharge signals in GIS. The structure comprises a GIS cavity (1), a round hole (2) arranged on the GIS cavity (1), a dielectric cylinder (3) arranged at the round...
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WO/2021/018426A1 |
The invention relates to an interrupter unit comprising a vacuum interrupter (4) and an insulating housing (6), wherein the insulating housing (6) has an inner surface (8) and the vacuum interrupter (4) is bordered at least partially by ...
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