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WO/2015/091096A1 |
The invention relates to a double-contact switch with a first and a second tubular vacuum switching chamber (1, 3); a stationary electrode (4) which is arranged between the first and second vacuum switching chamber and which comprises a ...
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WO/2015/091844A1 |
The invention relates to a switchgear (1), in particular a direct current switchgear, wherein the switchgear (1) has first switch contacts (2) which, in a closed state, are part of a first current pathway (3) from a first connection term...
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WO/2015/086067A1 |
The present invention relates to vacuum circuit breakers (2) comprising a tank (4) enclosing a tank interior space (6) and therein a vacuum interrupter (8) with vacuum flask (10), which encloses a vacuum space (16) with a pair of moveabl...
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WO/2015/088661A1 |
A current sensing assembly (10;10';10";10''';40;60;60') includes a conductor (12;12';50) having a first side (18), a second side (20) opposite the first side, a third side (22;22'), and a fourth side (24;24') opposite the third side. The...
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WO/2015/089122A1 |
A current sensing apparatus is disclosed that provides improved immunity to external magnetic fields, enhanced resolution, and a wide sensing range. The current sensing apparatus includes a conductor having a plurality of current path re...
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WO/2015/088654A1 |
An electrical switching apparatus (1) includes a transductor circuit (100) that senses a direct current between at least one input terminal and at least one output terminal and outputs an alternating current proportional to the direct cu...
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WO/2015/082067A1 |
The invention relates to a low-, medium-, or high-voltage vacuum interrupter with a contact system of two opposing contacts with AMF contact system, wherein at least one contact is a moving contact, and the AMF contact profile is bell-sh...
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WO/2015/082280A1 |
The invention relates to a three-phase isolating and/or earthing switch of a three-phase, gas-insulated, metal-encapsulated, medium-voltage or high-voltage switchgear, the three switch poles (1.1, 1.2) of which are arranged adjacent to o...
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WO/2015/082306A1 |
The invention relates to an alternating-voltage load-disconnecting switch (20, 30) for contact lines of a railway power supply network, comprising a first main contact (9) and a movable second main contact (6), wherein the movable second...
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WO/2015/078750A1 |
The invention relates to a switching device (1, 1a) comprising a first conventional switching point (2, 2a) and a second conventional switching point (3, 3a) which are electrically connected in series via a non-conventional switching poi...
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WO/2015/078525A1 |
The invention relates to a device (1) for switching a direct current. The device comprises an operating current branch (2), in which a mechanical switch (3) is arranged, a protective switch (4) connected to the operating current branch f...
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WO/2015/074839A1 |
The invention relates to a switching arrangement, comprising an interrupter unit (1) with a first and a second switching contact piece (11, 14). A switching path can be formed between both switching contact pieces (11, 14) under a relati...
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WO/2015/075189A1 |
The invention relates to a switching device (SD) having a switching contact (K) that is connected in series with a load (Z) and a first energy source (MS), having contact elements (KS, KL) that pass through a contact phase (BP) and an is...
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WO/2015/070731A1 |
A circuit breaker closing resistor tripping mechanism, and circuit breaker using same; the tripping mechanism comprises a mechanism box (11); the mechanism box is rotatably assembled with a transmission part (13) therein via a rotating s...
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WO/2015/071734A1 |
In the present invention an insulation sleeve (100) for an embedded pole (200) is provided. The embedded pole (200) comprises a first terminal (202) and a second terminal (203) arranged circumferentially at a distance from each other. Th...
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WO/2015/072003A1 |
Provided is a gas circuit breaker that exhibits improved reliability and in which rigidity is increased and weight is reduced in a movable section of an actuator. The gas circuit breaker is provided with: a fixed contact; a movable conta...
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WO/2015/071303A1 |
The present invention relates to an electrical apparatus for generation, transmission, distribution and/or usage of electrical energy, comprising a housing enclosing an electrical apparatus interior space, at least a portion of of which ...
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WO/2015/071731A1 |
The present invention relates to a solid-sealed pole which comprises a vacuum arc extinguish chamber, a first conductive terminal and a second conductive terminal. Said vacuum arc extinguish chamber comprises a center axis, a movable con...
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WO/2015/062857A1 |
The invention concerns a connection piece for a switch pole of a switching apparatus which improves the properties of the switch pole as concerns centring and current-carrying capacity. According to the invention, a connection piece (1) ...
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WO/2015/064296A1 |
This invention provides switchgear that increases the degree of freedom of the position of a movable contact in a circuit-breaker section and obviates the need for a mechanism for adjusting the position of said movable contact or managin...
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WO/2015/062644A1 |
The present invention relates circuit breakers for breaking of an electrical current. Disclosed is a circuit breaker which comprises a current-interrupting switch; a resonant circuit connected in parallel with the current-interrupting sw...
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WO/2015/063207A1 |
The present invention relates to a clutch mechanism for an energy storage device, comprising a load gear (25), a drive gear (22), a one-way bearing (23), a bushing (28), and a gear shaft (24) comprising a gear portion (241) and a clutch ...
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WO/2015/064215A1 |
A bidirectional drive mechanism (10) in this gas circuit breaker comprises a driving-side linking rod (11), a driven-side linking rod (13), a main lever (12), guides (14), and auxiliary levers (20). A driving-side movable pin (17) is con...
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WO/2015/062383A1 |
A grounding switch for a valve hall, comprising a grounding conducting rod (3) and an upper transmission base (2), wherein one end of the grounding conducting rod (3) rotationally cooperates with the upper transmission base (2), and a ro...
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WO/2015/062786A1 |
The invention relates to an electrical switch (10) comprising: a gas-insulated tube (20); a contact system (30), which is arranged on the tube (20) and comprises a fixed and a movable contact (31, 32); a movable contact actuation element...
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WO/2015/059327A1 |
The invention relates to a current cut-off switch that can be used for the rapid, effective and complete extinguishing of electric arcs produced in an electric circuit during operations for cutting-off and closing the circuit, making it ...
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WO/2015/058813A1 |
The invention relates to a mechanical separating unit 1 for interrupting a line. The separating unit 1 comprises a contact arrangement and an electromagnetic drive means 5, 6. The contact arrangement has a first and a second fixed contac...
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WO/2015/060022A1 |
An electrical contact which comprises a matrix comprising Mo, Cr, and Cu and, dispersed therein, an aggregate phase comprising Cu, wherein the aggregate phase has a maximum particle diameter in the range of 4-20 µm, and when the overall...
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WO/2015/060016A1 |
The present invention provides a breaker wherein a smooth back-and-forth movement of a mobile conductor or a shaft can be maintained over a long time period even if a large dimensional tolerance has been set and wherein defective contact...
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WO/2015/059325A1 |
The invention concerns a current cut-off switch enabling the electric arcs produced in an electric circuit during circuit cut-off and closing operations to be extinguished rapidly, effectively and completely, making it particularly suita...
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WO/2015/056438A1 |
The present invention provides a gas circuit breaker for switching between interrupting and starting the flow of current in an electric power system. The gas circuit breaker is provided with: an airtight container filled with an arc-supp...
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WO/2015/056326A1 |
This power-switchgear control device (1) is provided with the following: a current measurement unit (3) that measures the current flowing through a main circuit (12); a current estimation unit (4) that detects fault currents on the basis...
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WO/2015/056289A1 |
This invention provides a power-switchgear control device provided with the following: a voltage measurement unit (5) that measures power-supply-side voltages and power-line-side voltages for a circuit breaker (2); a voltage estimation u...
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WO/2015/052210A1 |
The invention relates to an isolating switch comprising: a fixed arc contact (20) and a mobile arc contact (22); an isolating nozzle (24) enveloping a part of a first arc contact (20) in such a way that, when the electric arc is formed d...
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WO/2015/052100A1 |
The present invention relates to an apparatus for the generation, the distribution and/or the usage of electrical energy. The apparatus comprises a housing enclosing an insulating space and an electrically conductive part arranged in the...
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WO/2015/043460A1 |
A high-speed grounding switch and a grounding switch assembly unit composed thereof in the field of power transmission equipment. The high-speed grounding switch comprises a sulfur hexafluoride arc-extinguishing device being placed in an...
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WO/2015/044360A1 |
The invention relates to a switch (10) with two stationary switch contacts (16, 18) and a switching component (14) for switching between the two stationary switch contacts, in which switch at least one stationary switch contact is formed...
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WO/2015/045742A1 |
The purpose of the present invention is to achieve an efficient and stable shut-off capability in shuttering off a current without increasing the size of a driving device, thereby achieving size reduction and cost reduction. A driving de...
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WO/2015/040862A1 |
[Problem] To provide a test device and a testing method therefor, whereby a DC circuit breaker can be tested without introducing a high-voltage rectifier that increases size of the device. [Solution] A test device for a DC circuit breake...
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WO/2015/041785A2 |
A synchronous transfer control system includes an arc resistant enclosure (8) having a main housing (26) having an open top portion (40) and an arc plenum (28), the arc plenum having a closed front portion (42), a closed rear portion (44...
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WO/2015/039918A1 |
A gas insulated high voltage circuit breaker (1) comprises: a first arcing contact (31) and a second arcing contact (41), wherein at least one of the two arcing contacts (31, 41) is axially movable along an axis (A-A'); and a nozzle (32)...
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WO/2015/039757A1 |
The invention relates to a method of manufacture of a ceramic metallization for ceramic metal transition, and ceramic metal transition itself, for the use in low, medium and high-Voltage technique, according to the preamble of claim 1 an...
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WO/2015/036897A1 |
The invention relates to the field of electrical current interruption and provides a high voltage circuit breaker. The high voltage circuit breaker comprises a movable set of main (110) and arcing (120) contacts arranged at one end porti...
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WO/2015/037318A1 |
Provided is a switch capable of readily fulfilling the role of interruption required in a high-voltage switch, and, having a short interruption time. The switch is provided with pressure vessels (1, 2) filled with an insulating medium, a...
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WO/2015/036885A1 |
In aspects, the present invention discloses a circuit breaker having two sets of contacts. The two sets of contacts includes a set of fixed contacts located at one end of a first metal tube of the circuit breaker, and a set of cooperatin...
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WO/2015/037223A1 |
In order to provide a testing device and a testing method whereby a DC circuit breaker can be tested without introducing a high-voltage rectifier, which would increase the size of the testing device, this device for testing a DC circuit ...
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WO/2015/032919A1 |
The invention relates to a switching assembly (1) for a switchgear, in particular a medium voltage switchgear, comprising: a housing (2) formed from an insulating material, at least one load switch or power switch (5) arranged in the hou...
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WO/2015/033458A1 |
The present invention provides a switching device that improves the reliability of operation even when the driving power that is required by the operating state varies. This switching device is characterized by the provision of: a breake...
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WO/2015/034730A1 |
A contact assembly (100, 200, 300, 400, 500, 600) for a vacuum switching apparatus (2) includes a contact member (102, 202, 302, 402, 502, 602) and a reinforcing member (104, 204, 304, 404, 504, 604) adapted to structurally reinforce the...
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WO/2015/029606A1 |
Provided is a switch with which the cutoff duty required of a high-voltage switch can be readily achieved, and which has a short cutoff time. The switch is provided with: pressure containers (1, 2) filled with an insulating medium; a plu...
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