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Matches 1 - 50 out of 37,050

Document Document Title
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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. ...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
WO/2021/019724A1
A vacuum circuit breaker (100) serving as a switch is provided with: a pair of electrodes, namely a fixed electrode (2) and a movable electrode (3); an operating device (4) having an accommodation part (19) and a movable shaft (18) servi...  
WO/2021/014737A1
In order to prevent lowering of responsiveness associated with a change of a main circuit impedance value caused by deterioration of a cutoff/driving capacitor or usage environment of a product, this high-speed DC vacuum circuit breaker ...  
WO/2021/009271A1
The subject of the invention is a switch (1) for medium or high voltage traction line testing device comprising plurality of normally-opened pairs of contacts (2) connected in series wherein each pair of contacts is equipped with a separ...  
WO/2021/009148A1
A circuit breaker which includes at least one quenching chamber is described. The quenching chamber is configured to be filled with insulating gas, extends along a longitudinal axis and includes an arcing zone and an exhaust zone. The ex...  
WO/2021/008866A1
The invention relates to a Circuit breaker, such as a vacuum interrupter, for use in medium voltage applications, which circuit breaker comprises: - a housing; - a first contact arranged on an end of a first contact stem, which first con...  
WO/2021/005889A1
The present invention is provided with: a stator (2) having a stationary contact (1); a mover (4) having a movable contact (3) contactable with and separable from the stationary contact (1); an arc extinguishing chamber (14) for extingui...  
WO/2021/005793A1
The purpose of the present invention is to provide a DC distribution panel which, when short-circuit current occurs in one feeder, disconnects only the feeder having the short-circuit current occurring therein and enables a load device c...  
WO/2021/006340A1
A control unit of this DC power supply device is configured to either simultaneously perform control to turn off a serial switching element and a conduction switch element, and then perform control to turn off a semiconductor switching e...  
WO/2021/001125A1
The invention relates to an electrical switchgear comprising a first switching contact piece (12) and a second switching contact piece (13). The two switching contact pieces (12, 13) can be moved relative to one another by means of a kin...  
WO/2021/001901A1
An operation device for switches according to an embodiment has a pair of compression springs, a compression spring support mechanism, and at least one guided part. The pair of compression springs are arranged in parallel. The compressio...  
WO/2021/001011A1
The invention relates to a method for the uninterrupted adaptation of parameters of a circuit (2000) by the targeted introduction of ohmic, capacitive or inductive portions by means of at least two switching devices (1000; 1001) as contr...  
WO/2021/001017A1
The invention relates to a switching device (1000) having an ON state, an OFF state for opening, closing or commutating a circuit between a first contact (110) and a second contact (120), and further intermediate states between the ON st...  
WO/2021/001124A1
A switchgear comprises an encapsulation housing (1). A interrupter unit (9a, 9b) having a switch point (11) is arranged in the encapsulation housing (1). The switch point (11) of the interrupter unit (9a, 9b) is arranged between a first ...  
WO/2021/001012A1
The invention relates to an electrical switch (100) comprising an ON state and an OFF state for opening, closing or commutating a circuit between a first contact (110) and a second contact (120), and comprising a controllable resistor el...  
WO/2020/260673A1
The invention relates to a direct-current high-speed circuit breaker (SSM) which is suitable for and is provided for switching off high direct currents in the event of loading or a short circuit, comprising an isolating switch (VS), a tu...  
WO/2020/263291A1
A circuit breaker apparatus (200) has a housing (202), electrical power inlet (214), electrical power outlet, a main circuit breaker (210), a grounding switch (212), and a mechanical linkage (230). The main circuit breaker and the ground...  
WO/2020/262754A1
The present invention relates to a bidirectional-direct current power cutoff control device of arc accident leakage current detection type, comprising: a bidirectional switch unit provided between a direct current power source and a load...  
WO/2020/263347A1
A circuit breaker apparatus (200) has a housing (202), electrical power inlet (214), electrical power outlet, a main circuit breaker (210), a grounding switch (212), and a mechanical linkage (230). The main circuit breaker and the ground...  
WO/2020/261429A1
This air circuit breaker is provided with a stationary contact (110), a movable contact (120), a plurality of arc-extinguishing plates (160), a circumferential wall (150), and a cooling cylinder (170). The movable contact (120) can be br...  
WO/2020/254163A1
The present invention relates to a medium voltage circuit breaker switching pole (10) comprising: a fixed contact (1) of a vacuum interrupter; a movable contact (2) of the vacuum interrupter; and a threaded drive element (5). The movable...  

Matches 1 - 50 out of 37,050