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WO/2000/074094 |
The invention relates to a switching device (1) comprising a switching means with two contact members arranged movably in relation to each other for making or breaking a current path between two cables with an electric conductor (6, 10),...
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WO/2000/074095 |
An operating mechanism for an autorecloser provides an improved form of mechanical interlock between the circuit breaker element (3) of an autorecloser and a disconnector (2) in electrical series with it. A shaft (82) transmits linear mo...
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WO/2000/072347 |
The inventive device comprises an armature (9) which is mechanically linked to an actuating rod (10) for the contacts of the device and which can move in a support block (13) between a rest position and an active position. The inventive ...
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WO/2000/072341 |
The invention relates to a contact assembly mounted on a preselector of a step switch, whereby the fixed preselector contact has a contact ring that can be interconnected. The appropriate design of the contact and of the openings in an i...
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WO/2000/069041 |
A vacuum switch comprises a vacuum container that houses a main circuit breaker and a grounding switch. An isolating switch for electrically connecting and disconnecting between the main circuit switch and a bus conductor or a load condu...
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WO/2000/067271 |
An electric switching device for fast closing of a high current in a power network comprising a first electrode (1), a second electrode (2), a movable contact element (3) closing said first and second electrodes, and an operating device....
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WO/2000/065624 |
According to the invention, an arc extinguishing aid for switching small currents is disclosed, which comprises a magnetic blow-out coil (3) to which power is supplied from outside, and in the case of which the current direction in the m...
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WO/2000/062319 |
Apparatus (10) for interrupting the flow of current in a power distribution system is disclosed for use with an enclosure containing insulating fluid. The apparatus (10) includes a housing (20) formed from insulating material and having ...
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WO/2000/058985 |
A switching device comprises two contact members (2, 3) at least one of which is movable such that they are movable relative to and from each other between a first position in which they are in electric contact with each other, and secon...
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WO/2000/054294 |
The invention relates to an air-insulated circuit breaker comprising a plurality of breaker poles (101). The breaker poles comprise an extinguishing medium and at least two contact members (104, 106). An operating member (119) operates t...
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WO/2000/054295 |
The invention relates to a magnetic drive for an electrical switch, comprising a linear armature (26) displaceable between two ends positions, a shunt body (27) mounted at a distance from said armature and means (24, 25, 30, 31) for gene...
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WO/2000/052721 |
The invention concerns a circuit breaker wherein each pole comprises a case (1) containing two fixed conductor tubes (3, 4), in line around a zone provided for the pole contacts and connected each to a connection terminal. A semi-mobile ...
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WO/2000/052719 |
The novel vacuum interrupter chamber is provided for circuit-breakers in the low voltage range and is characterised by a compact structural shape with low height and high switching performance. The housing of said vacuum interrupter cham...
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WO/2000/052720 |
The invention relates to a vacuum circuit breaker for alternating current. The breaker has two contact electrodes (6, 7), which are arranged to be separated from each other at the opening of the breaker. According to the invention, synch...
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WO/2000/051150 |
The invention relates to a drive device for a switching device, especially for earthing switches of medium-voltage switchgear. Said drive device is provided with an earthing shaft (EW) in a stationary arranged switchpanel (SF). The earth...
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WO/2000/046826 |
A vacuum switching device comprising an evacuated envelope including an insulating cylinder, a stationary contact electrode and a movable contact electrode housed within the envelope which are adapted to be engaged or disengaged to close...
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WO/2000/045487 |
The aim of the invention is to provide a three-phase encapsulated high-voltage circuit breaker which is arranged horizontally, compact, and as low in height as possible and requires as little mounting space as possible. To this end the t...
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WO/2000/045485 |
The invention relates to a high-voltage circuit breaker with at least two circuit breaker poles (1, 2, 3) which are arranged one beside the other in one row. Said circuit breaker poles have a common breaker mechanism which is arranged at...
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WO/2000/044010 |
The invention relates to a high-voltage power circuit breaker comprising two nominal current contact pieces (1, 2), two arc contact pieces (3, 4), and an insulating nozzle (5) on which a filling body (12, 27) is provided. Said filling bo...
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WO/2000/044011 |
In the present method and apparatus for processing a vibro-acoustic signal (1) emitted by a high-voltage switching system, the vibro-acoustic signal (1) is converted into a digital signal (3). The digital signal (3) is rectified and the ...
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WO/2000/044078 |
A circuit breaker (10) for use in a power/load circuit formed by a three-phase AC power supply (11) and a load (12) connected to the power supply (11) by means of three live power lines (R-R', S-S' & T-T'). The circuit breaker (10) compr...
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WO/2000/044015 |
The invention relates to position indicating devices and position locking devices for power circuit breaker systems, especially for air-insulated medium-voltage switchgears, having the following functional characteristics: power switchin...
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WO/2000/042627 |
The invention relates to a high voltage circuit breaker, especially a gas-blast circuit breaker. Said high voltage circuit breaker has two switching contacts (1, 2) which face each other and which are surrounded by an insulating sleeve (...
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WO/2000/041199 |
A pre-moulded housing for electrical switching apparatus has incorporated therein a vacuum interrupter (1) surrounded by a silicone rubber sleeve (2). The outer surface of the sleeve (2) and the locating cavity (5) for the interrupter (1...
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WO/2000/041202 |
A current limiter having an excellent current-limiting function and produced at low cost and a circuit breaker comprising the same and having a small impedance are provided so as to prevent the case from being damaged because of an unwan...
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WO/2000/039825 |
The invention relates to an actuating shaft (1) for actuating switch contacts of a multipolar electrical power breaker having a shaft (2) for a rotational assembly and a lever (4) made of diecast metal projecting from the latter. Said le...
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WO/2000/036620 |
The invention relates to a device for transmitting a movement which effects a translatory movement of a second coupling movement (3) with which a second part (4) is coupled, in dependence on a first coupling element (1) with which a firs...
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WO/2000/036621 |
The present invention is related to an operating device (200) for driving and controlling the opening and closing of an electrical high voltage or medium voltage switching apparatus, such as a switch or a circuit breaker. The operating d...
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WO/2000/034969 |
The invention relates to an electric circuit breaker, notably for high or medium voltages. According to the invention, a damping unit (13, 21) comprising a space which is only partly filled with damping elements (18, 24) is arranged in t...
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WO/2000/030137 |
A medium to high voltage load circuit interrupter and method for breaking the flow of electric current in a line having a load and a source. A main switch is connected in series with the line. A metal resistor having a positive temperatu...
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WO/2000/025334 |
The invention relates to switchgear with switching devices that can be controlled by magnetic drive devices, especially vacuum circuit breakers, wherein the switching devices are arranged by blocks in a housing in correspondence with the...
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WO/2000/025333 |
The invention relates to switchgear with switching devices arranged in housings, especially vacuum circuit breakers whose contacts studs may be displaced in a straight line controlled by a magnetic drive unit and guided axially and radia...
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WO/2000/024016 |
Remarkably downsized and light-weighted vacuum switch and vacuum switch gear for increasing safety in maintenance and inspection, wherein the vacuum switch comprises a vacuum container formed of a fixed insulator and a metallic container...
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WO/2000/022641 |
The invention relates to a fast-acting mechanical switch having an eddy-current release (5) for moving a contact carrier (2) in an extinction chamber (3), wherein at least on switching element is formed by a contact area located on the c...
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WO/2000/021107 |
A vacuum switch and a vacuum switch gear which can assure the safety of workers at maintenance and inspection and is excellent in reliability, wherein a pair of electrodes free to move toward and away from each other are installed in an ...
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WO/2000/021105 |
A vacuum switch and a vacuum switch gear using it which are suitable for an incoming and distributing equipment for making compatible a simplification of structure with reliability, wherein opening and closing parts are assembled in a va...
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WO/2000/021104 |
A vacuum switch comprises a breaker housed in a first grounded vacuum container (1), an isolating switch (40) and a grounding device (30) housed in a second grounded vacuum container (2), and an insulating spacer (8) which connects the f...
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WO/2000/021108 |
A vacuum switch and a vacuum switch gear using the vacuum switch which are suitable for a receiving and distributing equipment capable of providing both the simplified structure and improved reliability, wherein a switch part is assemble...
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WO/2000/021106 |
A vacuum switch suitable for a power receiving and distributing equipment in which the simplification and reliability of a structure is made compatible with each other, and a vacuum switchgear using the switch, wherein opening and closin...
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WO/2000/017975 |
An interruption and disconnecting device for high- and/or medium-voltage applications, comprising a disconnection chamber (67) and an interruption pole (54) having a free volume accomodating an interruption chamber (63) which contains a ...
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WO/2000/010186 |
The invention relates to a drive element for the movable contact point of a high voltage power circuit breaker, especially an SF¿6? power circuit breaker. According to the invention, the movable contact point can be connected to the mov...
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WO/2000/008664 |
A pole of a high- and/or medium -voltage circuit breaker, comprising an insulating housing, at least one interruption chamber which is positioned inside the insulating housing and contains at least a moving contact and at least a fixed c...
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WO/2000/007202 |
A medium and/or high-voltage circuit breaker, comprising an insulating casing inside which there is at least one interruption chamber which contains at least one fixed contact and at least one moving contact and a dielectric fluid for qu...
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WO/2000/005735 |
An actuation and control device for opening and/or closing high- and medium-voltage circuit breakers having at least one fixed contact and at least one moving contact, comprising actuation means which are operatively connected to the mov...
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WO/2000/004565 |
The invention relates to a high-voltage circuit breaker having an interrupter unit which is surrounded at a distance by a gas-tight housing (16) filled with a smothering gas. The interrupter unit comprises two arcing contacts (1, 2) betw...
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WO/2000/000991 |
The invention concerns a unit for electrically supplying a load, in particular to a transformer (8), from a power source (10), via a switching electrical apparatus (14), in particular a circuit breaker, and comprising a device (16) for a...
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WO/1999/067800 |
The invention concerns a low voltage multipole circuit breaker (10) with high electrodynamic resistance comprising a box made of insulating material, subdivided into a front compartment (12) housing a control mechanism (24) for opening a...
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WO/1999/066522 |
The object of the invention is an integrated unit for an air-insulated high voltage switching stations. The device according to the invention contains one three-phase disconnector, which is preferably combined with three circuit breakers...
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WO/1999/065128 |
The invention relates to an insulating component (9, 18) for high-voltage installations, especially gas-insulated installations. According to the invention, the material of the component is treated with alpha, beta or gamma radiation in ...
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WO/1999/065048 |
The invention concerns a circuit breaker comprising inside an interrupter chamber, a hollow arcing contact (3B) and an arcing contact in the form of a rod (5B) inserted in said hollow contact (3B) along an axial direction (A) when the ci...
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