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Matches 1 - 50 out of 35,853

Document Document Title
WO/2018/188782A1
The present invention relates to an improved high speed breaker (1) for industrial or railways applications wherein a high D.C. current must be interrupted with high efficiency and extremely fast intervention times. The breaker (1) inclu...  
WO/2018/188781A1
The present invention relates to an improved Breaker (1) for high current or voltage applications, for instance industrial and/ or railways applications wherein a high current must be switched on /off or interrupted with high efficiency ...  
WO/2018/189939A1
This vacuum valve (1) comprises: a vacuum container (2) formed by bringing together the openings of two insulation containers (9) that have an opening at one end; a pair of electrodes provided inside the vacuum container (2); and an arc ...  
WO/2018/189778A1
This invention comprises, among a plurality of magnetic iron plates of a fixed iron core, mounting sections provided on some of the magnetic iron plates. In this invention, a driving shaft is led out to the exterior of the fixed iron cor...  
WO/2018/182105A1
A high speed switch according to an embodiment of the present invention comprises: an interrupter unit connected to a main circuit and including a movable electrode and a driving electrode for opening or closing the main circuit; a drivi...  
WO/2018/182112A1
A DC circuit breaker having an arc blowout device according to the present invention comprises: a fixed contact; a movable contact operating so as to make contact with or separate from the fixed contact; an operation part for driving the...  
WO/2018/177824A1
To improve an interruption process, a switching chamber (10) for a gas-insulated circuit breaker comprises a thermal channel (32) having a bend part (32C) delimited by an outer surface (22A) of an auxiliary insulating nozzle (22) includi...  
WO/2018/179130A1
This contact switch (1) comprises: fixed contactor assemblies (20A, 20B) each containing a fixed contactor (21) provided with a fixed contact(22); a movable contactor assembly (10) with a movable contactor (11) that is provided with mova...  
WO/2018/175198A1
An Electro Static Discharge protection device that is provided to protect sensitive electronics on a Printed Circuit Board (PCB) from inadvertent electrical discharge. The protective device is formed as an intervening structure between a...  
WO/2018/175915A1
An electrical switchgear system includes a switchgear enclosure. The switchgear enclosure has a plurality of compartments housing switchgear components. The electrical switchgear system also includes a vent box. The vent box is in fluid ...  
WO/2018/171930A1
The present invention relates to a disconnecting system (1;1') for current interruption in a transformer which transformer has vacuum interrupter (7) as current interrupting element placed inside the tank (2) of the transformer filled wi...  
WO/2018/167656A1
The object of the present invention is a vacuum switch (1) comprising an insulating case (3, 4) made of a suitable insulating material, two conducting caps (51, 52) each securely fixed at an opening of the insulating case (3, 4) to form ...  
WO/2018/166736A1
The invention relates to a circuit breaker (1) having a plurality of interrupter units (5 to 8), each having at least one movable switch element (13) for opening and closing a current path of the interrupter unit (5 to 8), wherein the cu...  
WO/2018/165653A1
Recloser apparatuses, methods and systems are disclosed. In one embodiment a recloser includes a vacuum interrupter coupled with first and second electrical terminals. A driving structure is coupled with the vacuum interrupter. An electr...  
WO/2018/162421A1
The invention provides a method for closing a circuit breaker (10) having a main branch (M), which comprises a main module with a sub-branch comprising a mechanical switch-disconnector (UFS) connected with two breaker cell constituted of...  
WO/2018/163703A1
Provided is a vacuum valve achieving a high level of compatibility between the effectiveness of a thermal stress relaxation layer and the electrical properties of the vacuum valve. Also provided is a production method for this vacuum val...  
WO/2018/158440A1
An interrupter unit (1) for gas blast circuit breakers has a central axis A and comprises a first contact portion (10) with arcing contact (12), a second contact portion (20) comprising a cylinder shaft (22) and a pin contact (25), an in...  
WO/2018/158016A1
The invention relates to a force-transmitting unit (9) for a circuit breaker (1) for transmitting a driving force to a movable contact element (5) of the circuit breaker (1). The force-transmitting unit (9) comprises a switching rod (11)...  
WO/2018/154848A1
A method for manufacturing a contact material having: a step for forming an Ni alloy coating having a film thickness of 40 to 110 nm on the surface of a WC powder having an average particle diameter of 2 to 10 μm by electroless Ni plati...  
WO/2018/153869A1
The invention relates to an electric medium- or high-voltage apparatus (2, 3) comprising a gas chamber (4) which is to be filled with an insulating gas (5) and is surrounded by a housing structure (7) that includes a flange region (6) in...  
WO/2018/153780A1
An electric system has an electrical energy source connected to an electrical energy sink by at least one feeding line. Each feeding line (8) is in at least one position therealong between said source and said sink provided with an arran...  
WO/2018/153593A1
The invention relates to an electrical switching device comprising an electrically insulating supporting structure (1). The electrically insulating supporting structure (1) supports a first switching point (8) and a second electrically i...  
WO/2018/153584A1
The invention relates to a switch arrangement (1) having two isolator switches (2, 3) and a circuit breaker (5). Each isolator switch (2, 3) has a contact connection (7, 9) and a contact element (13, 15) which is associated with the cont...  
WO/2018/153582A1
The invention relates to an electrical switching device comprising at least one switching point (5, 6). A switching resistor (11a, 11b) is associated with the switching point (5, 6) and is switched electrically in parallel to the switchi...  
WO/2018/150564A1
This gas circuit breaker comprises: a fixed arc contact (3) extending along an operating axis (30); a mobile arc contact (4) movable relative to the fixed arc contact (3), to a position for establishing contact therewith and to a positio...  
WO/2018/149630A1
There is disclosed a by-pass switch arrangement (106) for by-passing a current path in a high voltage direct current (HVDC) network (100), the by-pass switch arrangement comprising: two switch terminals (202, 204) for coupling to the cur...  
WO/2018/151489A1
The present invention relates to a bidirectional DC circuit breaker, which using a main inductor so as to rapidly reduce the amount of fault current, thereby reducing the amount of necessary LC resonance current, and reducing the amount ...  
WO/2018/145942A1
An extractor (7) for at least partially extracting a bushing central conductor from a bushing insulator. The extractor (7) comprises a supporting member (92, 96), a movable member (110) and lifting means. The supporting member (92, 96) i...  
WO/2018/146942A1
[Problem] To provide an arc-suppressing device capable of suppressing the occurrence of an arc even at shutdown time of a large current. [Solution] Provided is the arc-suppressing device comprising: a current-limiting circuit installed i...  
WO/2018/146739A1
This vacuum deterioration monitoring device for a vacuum valve is provided with: an insulating holder (5), which is a pressure measuring container having a hermetically sealed structure, said pressure measuring container housing a vacuum...  
WO/2018/146748A1
This testing device (100) for a DC circuit breaker is provided with: an AC power supply (1) for generating a testing current to apply to a DC circuit-breaking device (5) for testing, which includes a DC circuit breaker (6) to be tested; ...  
WO/2018/142038A1
The invention relates to a current cut-off device (1) for high-voltage DC current, comprising: • in series, a cut-off apparatus (121) and a current limiter (111); • an accumulation line (130) in parallel with the current limiter (111...  
WO/2018/141003A1
A switching mechanism for an electrical switch assembly has a rotary switch mounted on a printed circuit board. The rotary switch includes a contact block having a plurality of conductive contact faces arranged in the general shape of a ...  
WO/2018/141684A1
The present invention relates to a method for controlling a circuit breaker. The circuit breaker is connected in a three-phase system having an inductive load, and the method comprises method for controlling a circuit breaker, the circui...  
WO/2018/141534A1
A switching apparatus (1) for medium voltage electric systems, said switching apparatus comprising one or more electric poles (2), each electrically coupleable with a corresponding electric line, said switching apparatus comprising: - fo...  
WO/2018/137903A1
The invention relates to an insulation arrangement for a high or medium voltage switchgear assembly, comprising at least one axially symmetrical insulating structural element (2). The invention is distinguished by the fact that the struc...  
WO/2018/138144A1
The invention relates to a circuit-breaker comprising a chassis (27) having an inner cylindrical surface (30) carrying a slidable mobile assembly (32) comprising: - a compression chamber (34) and a thermal chamber (36) with a cylindrical...  
WO/2018/138754A1
A vacuum valve provided with a vacuum container in which both end parts of an insulation cylinder are hermetically sealed by a sealing member, a fixed-side contact fixed in the vacuum container with a conductor interposed therebetween, a...  
WO/2018/135664A1
[Problem] To achieve a small-scale circuit that suppresses arc discharge when high-voltage direct current is cut off. [Solution] According to the present invention, direct-current voltage is applied between a terminal T1 and a terminal T...  
WO/2018/131248A1
Provided is a highly reliable, compact and inexpensive device. An arc-quenching device (2) is equipped with a semiconductor switch (TR4) connected in parallel to a mechanical first switch (SW1), a constant voltage circuit (22) for output...  
WO/2018/131307A1
[Problem] To provide, in an arc-suppressing device for blocking an alternating current power, an arc-suppressing device capable of extending the lifespan of a circuit breaker switching between supplying and blocking an alternating curren...  
WO/2018/131249A1
The present invention prevents unnecessary activity of a load device when starting up a power supply. An arc-quenching device (2) is equipped with a semiconductor switch (TR4) connected in parallel to a mechanical first switch (SW1), a p...  
WO/2018/131797A1
Disclosed is a real-time detection/recovery system of a power line failure in a power distribution system, which immediately alerts, shuts off, and recovers power in real-time when a disconnection, a resistance increase, a contact failur...  
WO/2018/131124A1
In the present invention, a movable rod (9) is driven from the outer side of a second flange (3) of an insulation cylinder (1) via a manipulation shaft (10), and the number of components in a drive mechanism of the movable rod (9), dispo...  
WO/2018/131250A1
In order to improve compactness and reduce price, an arc-quenching device (1) is equipped with a semiconductor switch (TR4) connected in parallel to a mechanical first switch (SW1), a constant voltage circuit (22) for outputting a voltag...  
WO/2018/130296A1
A switchgear comprises a circuit breaking section (12) having a moveable contact bridging element (22) and at least one first arc chutes (18, 20) adjacent the contact bridging element (22), each arc chute (18, 20) comprising a base plate...  
WO/2018/122901A1
[Problem] To provide a mechanism for moving an arc-extinguishing chamber of a direct current circuit breaker wherein the maintenance and inspection of contacts can be performed readily, and safely in a short-time. [Solution] The inventio...  
WO/2018/124515A1
The present invention relates to a conductor for a gas insulated switch and a method for manufacturing the same. An insulation layer (16) comprising ethylene tetrafluoroethylene as a main material is formed on the surface of a conductor ...  
WO/2018/124568A1
A three-phase opening and closing control device of the present invention is a three-phase opening and closing control device which controls a breaker connected between a three-phase transformer and a system power supply, wherein the dev...  
WO/2018/122630A1
The invention provides a contact assembly for a switchgear. The contact assembly has a first contact with at least two cylindrical pin contact elements, wherein a first cylindrical pin contact element is coaxial to a second cylindrical p...  

Matches 1 - 50 out of 35,853