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WO/2019/115177A1 |
The invention relates to a shield element (100) for a vacuum interrupter (1') for arrangement between an electrical conductive wall element (80) and an electrically insulating wall element (50) of a vacuum interrupter (1'), wherein the s...
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WO/2019/117617A1 |
A gas circuit breaker according to the present invention comprises: a cylinder part having a compression chamber and an expansion chamber; a moving part provided so as to be movable inside the cylinder part and dividing the compression c...
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WO/2019/115132A1 |
The invention relates to an arrangement (1) and a method for driving a movable contact of a vacuum interrupter in a high-voltage circuit breaker, having: an actuating rod (7) as an element of a kinematic chain of the high-voltage circuit...
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WO/2019/118741A1 |
Disclosed is a method of reconditioning a vacuum interrupter comprising determining whether the vacuum interrupter is suitable for reconditioning. Where the vacuum interrupter is suitable for reconditioning, the method comprises optional...
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WO/2019/110235A1 |
The invention relates to a transmission element (1) comprising a transmission body (9) having a recess and an armature body (11, 20). A tensioning device tensions the armature body (11, 20) against the inner surface within the recess of ...
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WO/2019/110214A1 |
The invention relates to an arrangement (1) and to a method having precisely one resistor stack (2) for switching high voltages. The arrangement (1) comprises a switching device (5) that has two contact devices (6), which are arranged in...
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WO/2019/111378A1 |
The purpose of the present invention is to achieve a highly reliable switchgear that ensures airtightness in an emission pathway for high-temperature, high-pressure gas generated in an arc accident or an internal short circuit accident. ...
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WO/2019/106840A1 |
The present invention provides a gas circuit breaker capable of reducing a deterioration in insulating performance and current breaking performance caused by unnecessary gas generated from an arc-extinguishing gas sprayed on an arc. This...
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WO/2019/106841A1 |
Provided is a gas circuit breaker capable of suppressing mechanical vibrations at the time of movement of a moving electrode, reducing occurrence of triple junction and appearance of metallic foreign matter during operation of the gas ci...
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WO/2019/101744A1 |
The invention discloses a switching apparatus for carrying and disconnecting electric currents, comprising a first mechanical contact arrangement (10), a second mechanical contact arrangement (30) which is connected in series with the fi...
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WO/2019/097681A1 |
This opening-closing device (1) comprises a mobile body (2) provided so as to be movable back-and-forth, a mobile contactor (3) coupled to the mobile body (2) and capable of moving back-and-forth, a biasing part (5) biasing the mobile co...
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WO/2019/096581A1 |
The invention relates to an insulating medium for an electric energy transmission device, said insulating medium (13) being a fluid at room temperature and at atmospheric pressure and having at least the following components: - ≥50 vol...
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WO/2019/097973A1 |
This circuit breaker lockout key attachment tool (1) is provided with: a fixed member (20) which is immovably fixed to a circuit breaker; and a movable member (10) which is attached to the fixed member (20). The movable member (10) is mo...
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WO/2019/097668A1 |
An abnormality diagnosis device (2) diagnoses abnormality of a hydraulic operation mechanism (1) which operates turning on and off of a breaker. The abnormality diagnosis device (2) is provided with: a first counter (21) which is a count...
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WO/2019/097314A1 |
The invention relates to a switchgear (100) having bus transfer current switching capability by turn and twist mechanism. The switchgear comprises a contact system for electrical current conduction and bus transfer switching. The contact...
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WO/2019/092866A1 |
Provided is a gas circuit breaker with which it is possible to reduce a decrease in the flow rate of arc-extinguishing gas sprayed on an arc. A gas circuit breaker 1 having a pressure accumulation chamber 38 that communicates with a comp...
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WO/2019/092865A1 |
Provided is a gas circuit breaker in which re-ignition of an arc does not readily occur and steep potential gradients in an insulation nozzle are eased. This gas circuit breaker has an insulation nozzle 23 that guides arc-extinguishing g...
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WO/2019/092862A1 |
Provided is a gas circuit breaker capable of reducing a pressure drop of pressurized arc-extinguishing gas when the gas is ejected into an arc and reducing a mechanical loss of a movable portion. The gas circuit breaker has an insulating...
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WO/2019/092861A1 |
Provided is a gas circuit breaker capable of ejecting an arc-extinguishing gas to an arc without lowering the pressure of the pressurized arc-extinguishing gas, and capable of extinguishing the arc efficiently and more reliably. The gas ...
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WO/2019/093100A1 |
[Problem] To achieve, in a concrete manner, suppression of magnetizing inrush electric current of a single-phase transformer by clarifying a residual magnetic flux calculation method, and to provide a magnetizing inrush current suppressi...
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WO/2019/092918A1 |
The objective of the present invention is to provide a switchgear unit structured not to give rise to a triple point, and to control against cracking even in instances where thermal stress is applied. This switchgear unit comprises a swi...
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WO/2019/092863A1 |
Provided is a gas circuit breaker which enables to avoid degradation due to melting of an insulating nozzle and to reduce deterioration of cutoff performance. The gas circuit breaker comprises an insulating hole 23 that guides an arc-ext...
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WO/2019/091838A1 |
A phase conductor (3) has a main part (5) and a fitting member (8). The fitting member (8) is secured to the main part (5) of the phase conductor by a securing means (10). The securing means (10) is located within a joint gap between the...
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WO/2019/092864A1 |
The present invention provides a gas circuit breaker with which it is possible to spray an arc-extinguishing gas on an arc such that spray velocity does not decrease, and also to efficiently and more reliably extinguish arcs that occur s...
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WO/2019/086268A1 |
According to a first aspect of the invention, a gas-insulated medium-voltage switch (1, 2) is provided. The switch (1, 2) comprises a first contact element (10) having a nominal contact surface (12), a second contact element (20) and a s...
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WO/2019/081083A1 |
The present invention relates to an electrical switching apparatus having at least one contact point, an arc-quenching device associated with the contact point, and an arc-blowing device to generate a magnetic blowout field. The arc-quen...
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WO/2019/082464A1 |
The present invention suppresses deformation of a check valve resulting from an impact with a stopper even when the operation speed of the check valve is increased, and ensures that there is no risk of the cutoff performance becoming uns...
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WO/2019/081297A1 |
The invention relates to a drive device for an electrical switch, comprising: a rod-shaped single-component or multi-component slide (5) that can be moved in the axial direction and is used to open and/or close an electrical contact of t...
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WO/2019/077269A1 |
The invention proposes a device for the mechanical disconnection of a high-voltage or very-high-voltage electrical circuit (2) of the type; - having two mobile electrodes (20, 22) that allow a nominal electric current to flow through the...
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WO/2019/075612A1 |
A method for monitoring a circuit breaker, a system and an internet of things using the same. The method includes: measuring at least two operating condition related parameters of the circuit breaker during operation of the circuit break...
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WO/2019/077754A1 |
A breaker (1) is provided with: a transmission mechanism (30) for changing a cut-off state to a power-on state by moving a needle (6) in association with the movement of a plunger (23) of an electromagnetic solenoid (20); and a tripping ...
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WO/2019/073660A1 |
The purpose of the present invention is to enhance both ground insulation performance and breaking performance by reducing the amount of discharge of high-temperature and high-pressure gas into an insulating support cylinder while still ...
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WO/2019/073671A1 |
The objective of the invention is to improve the direct-current insulation capacity of a gas circuit breaker. The invention is a bi-directionally driven gas circuit breaker comprising, within a gas tank, a pair of main contactors dispose...
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WO/2019/072873A1 |
A switchgear unit includes a gas-insulated compartment and a circuit interrupter in the gas-insulated compartment and mounted on a wall thereof, the circuit interrupter having an actuator rod extending through the wall and outside of gas...
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WO/2019/075398A1 |
A solid dielectric deadfront electrical switch assembly having a switch contact assembly. The switch contact assembly can include an upper insulative diaphragm, a male pin contact having an insulating tip and an isolating sleeve, a prima...
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WO/2019/063243A1 |
The invention relates to a module set (1) for making circuit breakers (100). The module set (1) comprises a type of identical switching units (3), at least one type of identical switching unit frames (5, 7), each of which can be connecte...
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WO/2019/063271A1 |
The invention relates to an assembly (1) and to a method for damping contact bounce in high-voltage circuit breakers, having a vacuum interrupter (18) and a holder (10) for the vacuum interrupter (18), the vacuum interrupter (18) compris...
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WO/2019/064447A1 |
A switching device (1) is provided with: a movable body (2) that is provided so as to perform reciprocating movement including movement to a first direction and movement to a second direction; a movable contactor (3) that is connected so...
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WO/2019/057438A1 |
The invention relates to a charging mechanism (1) for charging a stored-energy spring of a stored-energy spring mechanism. Said charging mechanism (1) comprises a charging gear (9) coupled to the stored-energy spring, an intermediate sha...
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WO/2019/057870A1 |
Electrical switch (100) for interrupting a current path, in particular of a voltage supply in a motor vehicle, comprising a contact point (106) which is formed from a first contact piece (102) and a second contact piece (104) which is mo...
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WO/2019/057433A1 |
The invention relates to a tensioning mechanism (1) for tensioning a pre-loaded spring of a spring-loaded accumulator drive. Said tensioning mechanism (1) comprises a tensioning wheel (9) coupled to the pre-loaded spring, an intermediate...
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WO/2019/052778A1 |
The invention relates to an arrangement (1) and to a method for switching high currents, having at least one vacuum switching path and at least one rated-current contact switching path The at least two switching paths are connected elect...
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WO/2019/053336A1 |
A switching device which comprises: a body (2) which has a first side wall (21) and a first end wall (23), the first side wall (21) being perpendicular in relation to a longitudinal direction, and the first end wall (23) is substantially...
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WO/2019/052775A1 |
The invention relates to an outdoor switching device (1) and to a method for switching high voltages of multiple phases (20, 21, 22), comprising at least two interrupter units (2, 3, 4), each of which is associated with a different phase...
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WO/2019/052796A1 |
The invention relates to a base support (7) for a circuit breaker (1) having at least one pole column (3). The base support (7) comprises a profile rail (23) produced from sheet metal having constant sheet thickness, which has a pole col...
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WO/2019/053337A1 |
The electrical switch (500) comprises a first and a second fixed contact (100, 200), and a rotatable knife contact (400) comprising at least one pair of blades (410, 420) being flexibly connected to each other and rotating around a rotat...
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WO/2019/053339A1 |
The electrical switch comprises two fixed contacts and a rotatable knife contact having a rotational axis (Z1-Z1) and comprising at least one longitudinal pair of blades (410) flexibly connected to each other. The two fixed contacts as w...
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WO/2019/053335A1 |
A change-over switch comprising a frame (2) having a first side wall (21) and a second side wall (22), a first supply terminal (41), a second supply terminal (42), a load terminal (6), and at least one gas flow opening (31, 32) for disch...
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WO/2019/053334A1 |
The electrical switch (500) comprises a first and a second fixed contact (100, 200), and a rotatable knife contact (400) comprising at least one pair of blades (410, 420) being flexibly connected to each other and rotating around a rotat...
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WO/2019/054603A1 |
The present invention relates to a gas circuit breaker of a gas-insulated switchgear. The present invention comprises a driving portion (10) that operates when a malfunction current occurs, and a holding portion (20) that is coupled to a...
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