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WO/2012/013547 |
A vacuum interrupter chamber has an encapsulation housing (1) having a first and a second switching contact piece (9, 13). The two switching contact pieces (9, 13) can be moved relative to one another so as to form a switching section. A...
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WO/2012/014282 |
Disclosed is a phase control switchgear wherein it is possible to inhibit the generation of transient voltages and currents when the phase advancing load circuit is being closed. Specifically disclosed is a phase control switchgear provi...
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WO/2012/011119 |
The invention relates to a pressure-propelled contact system for gas circuit breaker interrupter, comprising : an insulating chamber for storage of gas; a metallic blast cylinder having a movable piston for pressurizing the gas supplied ...
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WO/2012/007447 |
The invention relates to a switchgear for an interrupter tube for contact electrodes (1, 2), comprising openings (47, 48) in the collars (31, 32) of an electrode centering hood (29), in order to break the confinement of the electrodes an...
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WO/2012/007172 |
Method for producing a circuit-breaker pole part (1) comprising an external insulating sleeve (7) made of a solid synthetic material for supporting and housing a vacuum interrupter insert (8) for electrical switching a medium-voltage cir...
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WO/2012/007272 |
A switchgear panel comprising: -an enclosure delimiting an internal volume which is divided into one or more compartments suitable to accommodate corresponding electrical or electronic equipment; -a single or multi-pole circuit breaker w...
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WO/2012/007173 |
Method for producing a circuit-breaker pole part by molding an external insulating sleeve (9) with insulation material, mounting a vacuum interrupter insert (8) inside the insulating sleeve (9), electrically connecting the vacuum interru...
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WO/2012/003527 |
An electrical isolator which includes a body defining an aperture therethrough, a first electrical contact arranged at a first end of the aperture, a second electrical contact movably arranged at a second end of the aperture, said second...
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WO/2012/005865 |
A high-speed arc terminator for an electrical power distribution system includes a sealed, evacuated housing, and a controllable mechanical switch having first and second electrically conductive contacts enclosed within the housing and a...
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WO/2012/003863 |
A vertical tap changer of the type that comprises a cylinder with a rotatable shaft. The vertically arranged cylinder (2) is insulated and provided with contact elements (12), a the switching shaft (3) extends in the axial direction of t...
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WO/2012/002677 |
The present invention relates to a hybrid extinction-type gas circuit breaker, which can reliably eliminate an arc when a fault current is cut off, without a loss of pressure in the extinction gas. The hybrid extinction-type gas circuit ...
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WO/2011/162398 |
Provided are: a method for producing an electrode material for a vacuum circuit breaker, whereby withstand voltage, large current interruption performance and capacitor switching performance can be improved; an electrode material for a v...
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WO/2011/161121 |
The invention relates to a high-voltage switching unit for switching electrical contacts (9, 10, 11) of a conductor, comprising an isolating switch element (5, 12, 12a) having a first isolating contact element (5, 12), which can be moved...
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WO/2011/159248 |
Switchgear for high voltage comprising a circuit breaker (2) of vacuum breaker type and a disconnector (7) arranged above each other in a single-phase insulated design. Operating shafts (3, 9) are arranged for the circuit breaker and the...
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WO/2011/151476 |
The invention relates to a gas circuit breaker (5), suitable for integration into a cell isolated in a dielectric gas, said circuit breaker (5) including an arc chute (1) inside which is a fixed contact (3) and a mobile contact (4). The ...
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WO/2011/151912 |
Disclosed is an opening and closing device (100) having a charging conductor (2) contained in a tank (1) filled with insulation gas. The opening and closing device (100) is provided with a stationary contact (10) connected to the chargin...
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WO/2011/150975 |
A control arrangement for a circuit breaker station (201) includes a central control system (213) for the overall control of the circuit breaker station, and, for each of the circuit breakers, a circuit breaker operating unit (217) conne...
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WO/2011/147552 |
The subject of the invention is a device for suppressing very fast transients (1,1a, 1b), applicable in protecting electric and/or electric power equipment, and especially transformers operating in electric power substations and in wind ...
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WO/2011/147928 |
The invention relates to a device for controlling a group of current breaking apparatuses (21, 22) via, for each current breaking apparatus, an actuation motor (M1, M2) which actuates at least one electrical contact of the current breaki...
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WO/2011/147717 |
In order to design a switch disconnector (1) having a main contact system (2) comprising a switch disconnector stationary contact (3) and a switch disconnector moving contact (4) in order to form an isolating gap in a disconnected positi...
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WO/2011/145749 |
In order to provide a cubicle-type gas-insulated switching apparatus having an excellent insulating capability, and wherein electromagnetic force to be generated upon applying electricity thereto is minimized, the cubicle-type gas-insula...
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WO/2011/144713 |
The invention relates to a novel nozzle for blowing out an electric arc in which the various parts of this nozzle are produced from materials having different relative permittivities.
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WO/2011/141055 |
A high voltage DC breaker apparatus configured to interrupt a fault current occurring in a high voltage DC conductor (1) comprises a mechanical interrupter (2), a semiconductor device (3) connected in series with the interrupter, an arre...
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WO/2011/141480 |
The assembly system used makes it possible to obtain a general external surface of a wide part of a medium- or high-voltage circuit breaker, and which is perfectly smooth and has no protruding element. A gas guidance tube (20) is fixed t...
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WO/2011/141428 |
A high voltage DC breaker apparatus configured to interrupt a fault current occurring in a high voltage DC conductor (1) comprises a mechanical interrupter (2), at least one semiconductor device (3) connected in series with the interrupt...
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WO/2011/141054 |
A high voltage DC breaker apparatus configured to break a fault current occurring in a high voltage DC conductor (15) comprises a current limiting arrangement (11) having at least one section (12) with at least one semiconductor device (...
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WO/2011/141321 |
The invention relates to a circuit breaker comprising a first contact (4) and a second contact (5). An electric arc zone is disposed between the contacts (4, 5). A feed channel (13) opens into the electric arc zone, connecting the electr...
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WO/2011/138819 |
In a vacuum valve, a movable electrode bar is provided with a bellows, and the bellows expands or shrinks in accordance with the movement of the movable electrode bar, so that the airtightness of a vacuum container is maintained. However...
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WO/2011/130929 |
A laser triggered vacuum switch comprises a closed housing (1), a first electrode (2), a second electrode (3) and a laser irradiation window (4). The first electrode and the second electrode are provided in the closed housing and fixed o...
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WO/2011/127667 |
A vacuum arc extinguishing chamber with double breaks primarily applied for a medium voltage power switch device includes an insulating housing (1), a static assembly (2) and a moving assembly (3) provided in the insulating housing, wher...
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WO/2011/128426 |
A switch unit for a voltage circuit breaker comprising a first switch contact 202a; a second switch contact 202b is movable between first position and a second position, wherein the second switch contact is separated from the first switc...
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WO/2011/125092 |
Provided is a drive circuit for an electromagnetic manipulation mechanism, wherein, when a switch (24) and a switch (28) are opened in advance, before closing a switch (14) to excite a closing coil (5) with a charged capacitor (11), to d...
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WO/2011/125120 |
Disclosed is a power transfer switch that is capable of generating identical contact pressure on either fixed contact to the left and right of a single compression spring. The power transfer switch rotates a crossbar (1) that is equipped...
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WO/2011/121909 |
Disclosed is an opening and closing device equipped with an electromagnetic operating mechanism that holds a contact point at a midway position of an open-contact position and a closed-contact position to manually open and close at a low...
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WO/2011/120590 |
A vacuum interrupter comprises a tubular bellows (30) including a first hollow bore (32); at least one sub- assembly(34), each sub-assembly (34) including an end cap (42), the or each end cap (42) including at least one second hollow bor...
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WO/2011/117914 |
Disclosed is a vacuum valve with strength against buckling deformation and without pressure leakage.　The vacuum valve (1) is provided with a fixed electrode (4) and a movable electrode (5) which form opposing contact electrodes; a vacu...
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WO/2011/110561 |
The invention relates to a hybrid circuit breaker having an interrupter chamber (110) and a vacuum bulb (20), which are simultaneously controlled by a single mechanical control means in order to comply with a predetermined opening sequen...
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WO/2011/110557 |
The invention relates to a switch that can be used, inter alia, in a resistor insertion device and does not require additional movable mechanical parts. Said switch essentially comprises a flexible toroid helical spring (8) arranged in a...
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WO/2011/107255 |
A switch arrangement (1) for an electrical switchgear (2) comprises a terminal arrangement comprising an insulating housing (3) containing a first electrical contact (5) and a second electrical contact (6) which are spaced apart along an...
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WO/2011/107375 |
A drive arrangement of a circuit breaker has a pivotable drive lever (17). The pivotable driver lever (17) interacts with a blocking element (14), the blocking element (14) having a first blocking region (27), which can move into a pivot...
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WO/2011/107254 |
A terminal for an electrical switchgear, the terminal comprises a housing arrangement (3) comprising an electrically insulating material and having an inner surface defining a cavity; and a first terminal electrical contact (61) containe...
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WO/2011/104902 |
Disclosed is an electric current switch apparatus, wherein a fixed-side electrode unit and a movable-side electrode unit are positioned in opposition with a respective common central axis therebetween, and which switches electric current...
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WO/2011/104619 |
A vacuum interrupter (6) includes a number of insulative tubes (38) having a first open end (58) and a second open end (60); a first end member (42) secured to the first open end; a second end member (40) secured to the second open end; ...
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WO/2011/104915 |
Disclosed is a power switching device provided with: an insertion hole (109a) which is supported by a stationary-side insulating support (105), is formed on a stationary-side contact case (109) for securing the stationary-side of a vacuu...
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WO/2011/104751 |
Disclosed is a vacuum valve which can minimize the individual variability of contact resistance occurring due to the contact state between a fixed side electrode and a movable side electrode. The vacuum valve is provided with a vacuum co...
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WO/2011/097773 |
An interlocking device of an electronic type high-voltage breaker and a high-voltage isolation switch. The interlocking device comprises: a high-voltage breaker body (a) which has an outgoing line terminal of a phase line (d) to connect ...
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WO/2011/096097 |
In the disclosed gas circuit breaker, even if the surfaces of covering members (6, 7, 16, and 17) in contact with an arc discharge space (22) are damaged, said covering members (6, 7, 16, and 17) do not shift in position, and the force w...
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WO/2011/092442 |
The invention relates to a device for suppressing an electric arc (1) for a box (2) withstanding an internal overpressure, in particular an explosion-proof box. The invention is characterised in that it comprises an insulating housing (4...
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WO/2011/089741 |
Disclosed is an inexpensive vacuum valve with superior cut-off and withstand voltage properties, wherein a fixed electrode (10) and a movable electrode (20), comprising respective contact points (11, 21), are positioned within a vacuum c...
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WO/2011/091429 |
In at least some embodiments, a system includes a plurality of circuit breakers and trip control logic external to and coupled to the circuit breakers. The trip control logic enables a plurality of different tripping options to be select...
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