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WO/2017/197577A1 |
An air insulated vacuum load switch device, the switch device comprising: three high-pressure conductive loops (1) having independent phases and designed consistently, a control operation mechanism (2), a supporting box (3) and a transmi...
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WO/2017/199465A1 |
The purpose of the present invention is to provide a branching unit, the height of which can be reduced, and a vehicular system. The branching unit comprises: a switch equipped with a fixed electrode and a movable electrode; a first bush...
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WO/2017/199665A1 |
[Problem] To provide a switching device capable of suppressing the occurrence of an arc discharge at a power cut-off time, without reducing power efficiency during the supply of power, through a small-scale configuration. [Solution] Prov...
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WO/2017/200745A1 |
The present disclosure provides a conductive member (50) for a circuit breaker high voltage portion conductor assembly (20), the conductive member (50) including a body (52) with a transfer portion (54) and a coupling portion (56). The b...
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WO/2017/199412A1 |
This circuit breaker, which trips upon detecting an overcurrent, comprises: a first current detection circuit for detecting a load current using a microcomputer on the basis of signals output by a current detection coil; a second current...
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WO/2017/194258A1 |
A coupling element for an electrical switching device comprises a first switching contact (4) for opening and closing an electrical contact with a second switching contact (6), a rod-shaped winding body (8), at one end of which the first...
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WO/2017/194236A1 |
The invention relates to a coupling member (2) for an electrical switching unit, wherein the coupling member (2) comprises a first switching contact (4) for opening and closing an electrical contact having a second switch contact (6), wh...
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WO/2017/194471A2 |
A vacuum circuit breaker comprises a vacuum interrupter operable between a closed state and an open state, and an actuator. The actuator comprises a piezoelectric driving element that is expandable and contractable along an expansion axi...
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WO/2017/190915A1 |
The invention relates to a double-contact switch, comprising a first and a second tubular vacuum switching chamber (1, 3), which are designed as partial switching chambers of a switching tube, an electrode (4), which is fastened in the s...
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WO/2017/192585A1 |
A circuit interrupting device for use with an electrical power distribution system includes a housing containing a circuit interrupting mechanism. A battery tube is positioned in the housing. A battery assembly is configured to be insert...
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WO/2017/190490A1 |
A high-voltage switch and a circuit breaker unit thereof. The high-voltage switch has one or at least two circuit breaker units connected in series; the circuit breaker unit comprises a main arc-extinguishing chamber (1) with a dynamic a...
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WO/2017/190914A1 |
The invention relates to a switching device for conducting and interrupting electrical currents comprising a mechanical contact assembly (10), a semiconductor switch (20) connected in parallel to the mechanical contact assembly (10), and...
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WO/2017/192588A1 |
A circuit interrupting device for use with an electrical power distribution system includes a housing containing a circuit interrupting device. A battery tube is positioned in the housing. A battery assembly is configured to be inserted ...
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WO/2017/192583A1 |
A circuit interrupting device for use with a electrical power distribution system includes a housing containing a circuit interrupting mechanism. A battery tube is positioned in the housing. A battery assembly is configured to be inserte...
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WO/2017/192582A1 |
A circuit interrupting device including a loop split interrupter for interrupting a loop split circuit with a high current and a low voltage and a quick whip interrupter for interrupting a charging circuit with a low current and a high v...
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WO/2017/187654A1 |
The present invention is provided with: a movable-side arc contact point (14) and a fixed-side arc contact point (15) that are provided so as to be able to come into contact with and separate from each other; a mechanism (5) for spraying...
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WO/2017/184024A1 |
The group of inventions encompasses more than ten possible variants of designs for a simple, inexpensive, reliable and high-speed high-voltage switching device capable of switching-off and switching-on load current during a length of tim...
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WO/2017/183679A1 |
[Problem] To obtain a configuration having an effect of increasing the external force working on an arc to achieve a shortening of commutation time through a simple configuration and without increasing the size of the device. [Solution] ...
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WO/2017/183323A1 |
The invention provides a vacuum valve allowing the shut-off capability of the vacuum valve to be improved while maintaining the strength of contacting portions. The invention comprises: a stationary-side contact and a mobile-side contact...
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WO/2017/182073A1 |
A HVDC disconnector is disclosed. The HVDC disconnector comprises a fixed contact comprising a guide and a pair of conducting members positioned in the guide wherein the first and second conducting members are both tulip contacts; a mova...
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WO/2017/181960A1 |
A lightning protection on-load regulated-capacity transformer, and an on-load regulated-capacity switch. The on-load regulated-capacity transformer comprises a low-voltage winding, a high-voltage winding, and an on-load regulated-capacit...
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WO/2017/178761A1 |
The invention relates to a medium- or high-voltage current breaking system comprising an arc-extinguishing chamber comprising, in a closed enclosure (10), a pair of arc contacts (4, 5), one (5) of the contacts being movable with respect ...
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WO/2017/178164A1 |
A contact assembly (1) for connecting electrically and mechanically a first terminal (2) of a first apparatus (3) to a second terminal (6) of a second apparatus (5), wherein at least one of the first (3) and the second (5) apparatus is m...
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WO/2017/179315A1 |
The invention provides a vacuum circuit breaker capable of efficiently dissipating heat generated inside a vacuum valve. The invention comprises: a mobile-side contact and a stationary-side contact disposed inside a vacuum valve; a stati...
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WO/2017/174326A1 |
The invention relates to a switching device for conducting and interrupting electric currents, comprising a first mechanical contact assembly (10), a semiconductor switch (20), which is connected in parallel with the first mechanical con...
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WO/2017/174328A1 |
The invention relates to a switching device for conducting and interrupting electrical currents, comprising a first mechanical contact assembly (10), a semiconductor switch (20) connected in parallel to the first mechanical contact assem...
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WO/2017/173835A1 |
A circuit breaker, comprising a supporting insulator (1), an optical fibre current transformer and at least one arc extinguishing chamber (2, 3), wherein a top portion of the supporting insulator (1) is provided with a supporting insulat...
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WO/2017/175450A1 |
Provided is a gas circuit breaker having a bidirectional drive mechanism of high design freedom and high reliability while using less space. The invention comprises a fixed member 6 whereon a driven-side main electrode 30 is fixed, a hol...
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WO/2017/174271A1 |
The invention relates to a hollow insulator (3). The hollow insulator (3) comprises a plurality of insulating tubes (21, 23) which extend around an insulator longitudinal axis of the hollow insulator (3), are nested one inside the other ...
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WO/2017/175336A1 |
This switch (1) comprises: a first contactor (2) and a second contactor (3) provided on an operation axis (50) and facing one another; a biasing part (15) biasing the second contactor (3) toward the first contactor (2); and a second magn...
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WO/2017/174496A1 |
The present invention relates to an apparatus for the generation, transmission, distribution and/or usage of electrical energy, in particular to an electrical switching device, said apparatus comprising a housing (4) enclosing an insulat...
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WO/2017/173819A1 |
Disclosed are a rotary isolator switch (100) and a contact module (10, 20, 30) for the rotary isolator switch (100). The contact module (10, 20, 30) comprises: a housing (11), provided with a central base (111) and a peripheral base (112...
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WO/2017/176617A1 |
A visual status indicator for an electrical apparatus is disclosed. The status indicator can be mounted within a lower cover of the electrical apparatus such that various display faces of the indicator are visible through one or more vie...
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WO/2017/167501A1 |
Disclosed is a high-voltage component comprising a coating at least on some parts of its surface, the coating having a specific sheet resistance that does not vary linearly with an electric field strength present on the coating. Accordin...
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WO/2017/168990A1 |
This contact member is provided with a contact layer comprising a plate-shaped porous medium having a high-melting metal as a main component, into which an infiltrant having a low-melting metal as a main component has infiltrated; a cont...
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WO/2017/172007A1 |
A vacuum interrupter assembly (30) is provided. The vacuum interrupter assembly (30) includes an operating mechanism (32), a vacuum chamber (34) including a number of bellows assemblies (100), a conductor assembly (36) including a first ...
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WO/2017/162396A1 |
The invention relates to a device (10) for measuring a condition of an electric switch (1), the device (10) being designed to tap a voltage at main contacts (2a, 2b) of the electric switch (1). The invention also relates to an electric s...
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WO/2017/161597A1 |
A novel arc extinguishing chamber comprises a housing (3), and comprises a moving contact (6) and a fixed contact (1) disposed at the two ends of the housing (3) respectively. The fixed contact (1) is fixedly connected to the housing (3)...
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WO/2017/162533A1 |
An electric switching device (1) filled with a dielectric insulating medium comprises first and second arcing contact (3, 4), first exhaust volume (7) downstream of first arcing contact (3) and second exhaust volume (8) downstream of sec...
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WO/2017/162404A1 |
The invention relates to a power switch (1). The power switch (1) comprises: three parallel actuating rods (3, 4, 5), each of which can be moved along its longitudinal axis for separating and closing a switching contact of the power swit...
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WO/2017/162517A1 |
An electric switching device (1) filled with a dielectric insulating medium comprises an arrangement of arcing contacts with a first arcing contact (3) and a second arcing contact (4), an insulating nozzle (2), an arcing volume (5) betwe...
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WO/2017/162405A1 |
The invention relates to a power switch (1). The power switch (1) comprises three parallel actuating rods (3, 4, 5), all of which are movable along their longitudinal axis to open and close a switch contact of the power switch (1), a com...
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WO/2017/159433A1 |
Provided is an arc-extinguishing insulation material molding in which internal damage and reduction in gas generation amount, which are involved with repeated current disconnection, are suppressed. The arc-extinguishing insulation materi...
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WO/2017/157440A1 |
The invention concerns a current limiting device (41) for a high voltage equipment (20) in a high voltage direct current power system, where the equipment comprises a disconnector operable to obtain a mechanical separation from a power l...
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WO/2017/159588A1 |
A voltage dividing capacitor (1) provided in parallel in a vacuum interrupter (2) has a capacitor series (16) constituted of a plurality of capacitor elements (15) connected by a connecting screw in a long, thin cylindrical shape. One en...
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WO/2017/158082A1 |
The invention relates to a DC voltage switch having a first and second terminal for serial incorporation in a first pole of a DC voltage network, wherein a secondary current path having a semiconductor switch extends between the terminal...
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WO/2017/154784A1 |
In this electromagnetically moving device 100, magnetic flux variation measurement means 3 is disposed outside of a closed magnetic path created when a moving iron core 6 and a stationary iron core 5 are in a coupled state through the pe...
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WO/2017/154720A1 |
The objective of the invention is to obtain an electromagnetic actuator capable of, when driving an armature, applying a stable initial loading force onto the armature without leaking magnetic flux to the exterior. This electromagnetic a...
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WO/2017/148651A1 |
Disclosed is a DC voltage switch comprising two terminals between which an operating current path extends that includes a mechanical switch, and comprising means for generating a reverse voltage in relation to the voltage in the operatin...
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WO/2017/150079A1 |
This direct current circuit breaker 2 comprises a main circuit breaker 4 and a semiconductor switch 8. The main circuit breaker 4 is provided on a main path 6, and the semiconductor switch 8 is provided on an alternative path 10 parallel...
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