EP2885803B1 - Dispositif de réglage pour tube de commutation sous vide et dispositif sectionneur - Google Patents

Dispositif de réglage pour tube de commutation sous vide et dispositif sectionneur Download PDF

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Publication number
EP2885803B1
EP2885803B1 EP13765317.6A EP13765317A EP2885803B1 EP 2885803 B1 EP2885803 B1 EP 2885803B1 EP 13765317 A EP13765317 A EP 13765317A EP 2885803 B1 EP2885803 B1 EP 2885803B1
Authority
EP
European Patent Office
Prior art keywords
connecting element
coil
actuating
vacuum interrupter
disconnecting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP13765317.6A
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German (de)
English (en)
Other versions
EP2885803A1 (fr
Inventor
Georg Bachmaier
Dominik ERGIN
Andreas GÖDECKE
Sylvio Kosse
Andreas Philipp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP2885803A1 publication Critical patent/EP2885803A1/fr
Application granted granted Critical
Publication of EP2885803B1 publication Critical patent/EP2885803B1/fr
Active legal-status Critical Current
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/27—Relays with armature having two stable magnetic states and operated by change from one state to the other
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
    • H01H33/285—Power arrangements internal to the switch for operating the driving mechanism using electro-dynamic repulsion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/60—Mechanical arrangements for preventing or damping vibration or shock
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • H01H33/6662—Operating arrangements using bistable electromagnetic actuators, e.g. linear polarised electromagnetic actuators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/18—Movable parts of magnetic circuits, e.g. armature
    • H01H50/30—Mechanical arrangements for preventing or damping vibration or shock, e.g. by balancing of armature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/18—Movable parts of magnetic circuits, e.g. armature
    • H01H50/32—Latching movable parts mechanically
    • H01H50/321—Latching movable parts mechanically the mechanical latch being controlled directly by the magnetic flux or part of it
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/44—Magnetic coils or windings
    • H01H50/443—Connections to coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
    • H01H47/226—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil for bistable relays

Definitions

  • the present invention relates to an adjusting device for a vacuum interrupter. Moreover, the present invention relates to a disconnecting device for disconnecting an electrical circuit.
  • an adjusting device for a vacuum interrupter which comprises an electromagnetic actuator.
  • the holding force during closing is achieved by the magnetization of permanent magnets.
  • a so-called Thomson actuator is used.
  • JP 2002 033034 A a switching device having a repulsion plate which is disposed between an opening coil and a closing coil. By supplying power to each of the coils, contacts can be driven to open or close. In the opened state, a switching device is held with an opening holding mechanism which has a fixed core composed of U-shaped steel plates and a permanent magnet, and a magnetic material.
  • the adjusting device serves to open and close the electrical contacts of a vacuum interrupter.
  • the vacuum interrupter usually has a fixed and a movable electrical contact.
  • the adjusting device comprises a connecting element, which can be connected to an electrical contact, in particular the movable electrical contact, the vacuum interrupter.
  • the adjusting device comprises an electromagnetic actuating device, with which the connecting element between a first and a second position can be moved. Due to the interaction of the connecting element with the contact of the vacuum interrupter, the contacts of the vacuum interrupter can be opened in the first position of the connecting element and closed in the second position of the connecting element.
  • a holding anchor is arranged, which is formed of a ferromagnetic material.
  • the adjusting device comprises a holding yoke, on which a first magnetic element is arranged or in which a first magnetic element is integrated.
  • the holding yoke is fixedly formed to the connecting element.
  • the connecting element can therefore be moved relative to the holding yoke.
  • the holding yoke and the holding anchor are now designed such that forms a magnetic circuit along the holding armature, the first magnetic element and the holding yoke both in the first position and in the second position.
  • being a bistable Adjusting device provided with which the connecting element is kept stable due to the magnetic forces in the first and the second position.
  • no electrical energy must be applied to hold the connecting element in the first or in the second position.
  • the actuator can be operated very energy efficient.
  • the electromagnetic actuating device has a second magnetic element and a coil element movable relative to the second magnetic element, which is connected to the connecting element.
  • an electromagnetic actuator is used in order to move the connecting element from the first position to the second position back and forth.
  • the electromagnetic setting device comprises a coil element, which is surrounded at least in regions by a second magnetic element. By the polarity of the electric current flowing through the coil element, a movement of the coil element relative to the second magnetic element can be effected.
  • the connecting element can be moved in a simple manner.
  • the second magnetic element may be formed waiving any ferromagnetic field guide.
  • the second magnetic element may be formed only by permanent magnets.
  • the second magnetic element can also be designed in the manner of a so-called Halbach array.
  • the second magnetic element may comprise a plurality of permanent magnets whose magnetization direction is tilted relative to each other by 90 ° along the extension direction.
  • the magnetic flux in the region of the second magnetic element, which surrounds the coil element at least partially, be amplified.
  • a particularly efficient actuator for moving the connecting element can be provided.
  • the first and second magnetic elements are integrally formed as a magnetic device.
  • the second magnetic element of the electromagnetic actuator with the first magnetic element of the yoke are combined. This allows, for example, the use of a single permanent magnet in the actuator.
  • the retaining anchor and the coil element are integrally formed as a coil device.
  • the retaining armature and the coil element can be combined in a common integrated coil device or a coil assembly. As a result, space can be saved and the weight of the actuator can be reduced.
  • a separating arrangement for disconnecting an electrical circuit.
  • the disconnect assembly includes at least one vacuum interrupter having two electrical contacts and at least one of the previously described actuators, wherein the connector of the at least one actuator is connected to one of the contacts of the at least one vacuum interrupter such that the contacts are opened in the first position of the connector and are closed in the second position of the connecting element.
  • the separating arrangement can be used for disconnecting an electrical connection, in particular a high-voltage connection.
  • the separation arrangement comprises at least one interrupter, which is commercially available, for example.
  • a vacuum interrupter for example, a rated voltage of 24 kW AC voltage, a rated operating current of 2 kA and a moving contact piece of 0.9 kg mass.
  • the connecting element of the adjusting device is connected directly to the movable contact of the vacuum interrupter.
  • a direct drive for the vacuum interrupter can be provided and thus it requires no additional components that would mean an additional moving mass.
  • the separation arrangement comprises a control device for controlling one by the coil element the at least one actuator flowing electrical current, which is adapted to reduce the current flowing through the coil elements electrical current, if the connecting element approaches the first or second position.
  • the control device of the disconnecting device With the control device of the disconnecting device, the electric current flowing through the coil element can be adjusted.
  • the movement of the connecting element which is mechanically fixedly connected to the coil element, can be controlled in a simple manner. Due to the simple structure of the electromagnetic actuator particularly fast switching times can be achieved.
  • the electromagnetic control device can be controlled such that over the movement of the connecting element, the electrical contacts of the vacuum interrupter in a shaping period, for example, 2 ms, a predetermined path, for example 4 mm, cover.
  • the current intensity in the coil element can first be increased. This can speed up the connection element. As the connector approaches the first or second position, the current in the coil member may be reduced again. This reduces the speed of movement of the connecting element. It can also be provided that the polarity of the electric current flowing through the coil element is reversed. Thus, one of the movement speeds of the connecting element oppositely directed braking force is generated. Thus, it can be prevented that the retaining anchor abuts against the holding yoke in one of the positions and thus the retaining yoke or the retaining anchor are damaged or worn in continuous operation.
  • the control device preferably comprises a bridge circuit with semiconductor switches.
  • the bridge circuit can be designed in particular as a full bridge or H-bridge.
  • the semiconductor switches used may be MOSFET transistors or IGBTs become. Thus, an energy-efficient control of the coil element can be achieved.
  • the separating arrangement has a damping element for reducing a movement speed of the connecting element.
  • mechanical or hydraulic dampers can be provided in the separating arrangement with which the speed of movement of the connecting element in a respective region of the first or second position of the connecting element is reduced.
  • a damping element in particular a mechanical or hydraulic damper can be used, which converts the kinetic energy of the connecting element substantially in frictional heat.
  • the separating arrangement has a Notschaltelement for closing the contacts of the vacuum interrupter.
  • a switching failure i. if the vacuum interrupter can not be closed by a defect of the electromagnetic actuator, an emergency operation may be implemented.
  • the emergency switching element used for this purpose can be formed either by a pyro element or by a tensioned spring, which is unlocked. Thus, the vacuum interrupter can be closed easily in an emergency again.
  • the separating arrangement comprises two adjusting devices and two vacuum interrupters, wherein the control device is designed to control the electrical current flowing through the coil element of the first of the two actuating devices and through the coil element of the second of the two actuating devices with a time offset from one another.
  • the electromagnetic control devices of the two adjusting devices can be reversed. Due to the impulse neutrality to the outside, a good mechanical stability can be achieved.
  • Fig. 1 shows a separating arrangement 10 in a schematic representation.
  • the disconnect assembly 10 includes a vacuum interrupter 12.
  • the vacuum interrupter 12 is for disconnecting an electrical connection line, particularly an electrical power line.
  • the vacuum interrupter 12 comprises a fixed contact 14 and a movable contact 16.
  • the separating arrangement 10 comprises an adjusting device 18.
  • the adjusting device 18 comprises a connecting element 20, which is mechanically connected to the movable contact 16 and the vacuum interrupter 12. By a movement of the connecting element 20, the movable contact 16 can be moved, so the vacuum interrupter 12 are opened or closed.
  • the adjusting device 18 comprises two holding yokes 22. Each holding yoke 22 is arranged fixedly on the connecting element 20. On the holding yoke 22, a first magnetic element 24 is arranged. The first magnetic element 24 may be formed by a permanent magnet. The first magnetic element 24 may also be integrated into the respective holding yoke 22.
  • the adjusting device 18 comprises a retaining anchor 26 which is mechanically connected to the connecting element 20. Along the retaining armature 26, the first magnetic element 24 and the holding yoke, a first closed magnetic circuit is formed in a first position of the connecting element 20 shown here. In the present first position, the electrical contacts 14, 16 of the vacuum interrupter 12 are opened.
  • the connecting element 20 In order to close the contacts 14, 16 of the vacuum interrupter 12, the connecting element 20 must be moved from the first position to a second position.
  • the electromagnetic actuator 28 is used.
  • the second magnetic element 30 comprises a plurality of permanent magnets 32.
  • the second magnetic element 30 comprises two mutually spatially separate arrangements of permanent magnets 32.
  • the magnetization direction of the respective permanent magnets is indicated by the arrows 34.
  • the electromechanical adjustment direction 30 comprises a coil element 36.
  • the coil element 36 is mechanically connected to the connection element 20.
  • the permanent magnets 32 are arranged so that they surround the coil element 36 at least partially.
  • the coil element 36 has corresponding windings 38 which are in the area in which they are surrounded by the permanent magnet 32, extend perpendicular to the magnetization direction of the permanent magnets 32.
  • the separating arrangement 10 comprises a control device 40.
  • the control device 40 With the control device 40, the electric current in the coil element 36 can be controlled.
  • the connecting element 20 When the coil element 36 is subjected to an electric current of a first polarity, the connecting element 20 is moved from the first position to the second position.
  • the connecting element When the coil element 36 is subjected to a current of a second polarity, the connecting element is moved from the second position back to the first position.
  • Fig. 2 shows a circuit arrangement of the control device 40.
  • the control device 40 comprises a bridge circuit 42, which is formed as H-bridge or full bridge.
  • the bridge circuit 42 comprises the semiconductor switching elements, which are formed for example as transistors or IGBTs, and each comprising an inversely connected diode 46.
  • the bridge circuit 42 comprises a capacitor 48, which is fed via a precharging device 50. By the bridge circuit 42, the electric current through the coil element 36 can be easily adjusted.
  • Fig. 3 shows the curve 52 of the position p of the movable contact element 16 as a function of the time t.
  • the connecting element 20 is to be controlled in such a way that the movable contact 16 is initially accelerated starting from the first position into the second position. Before reaching the second position, the speed v of the second contact element must be reduced. This is in Fig. 4 shown in the course 54. As a result, it can be prevented that the connecting element 20 or the retaining anchor 26 abuts in the holding yoke 22 in the second position. For this purpose, the electric current flowing through the coil element 36 is first increased.
  • Fig. 7 shows the separating arrangement 10 in a further embodiment.
  • the disconnect assembly 10 includes a emergency switch element 60.
  • the emergency switch element 60 may comprise a pyroelement or a tensioned spring.
  • the connecting element 20 can be moved from the first position to the second position with the aid of the emergency switching device 60.
  • the electrical contacts 14, 16 can be closed.
  • FIG. 8 a further embodiment of a separating arrangement 10.
  • the separating arrangement 10 shown here comprises two vacuum interrupters 12, 12 ', each, as previously in connection with Fig. 1 explained, with an adjusting device 18 and 18 'are connected.
  • only one control device 40 is used with which both the coil element 36 and the coil element 36 'of the second actuating device 18' can be controlled.
  • the electromagnetic actuating devices 30, 30' of the first actuating device 18 and the second actuating device 18 ' can be switched in opposite directions. Due to the impulse neutrality, a good mechanical stability can be achieved.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Electromagnets (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)

Claims (9)

  1. Dispositif (18) de réglage d'un tube (12) de commutation sous vide, comprenant
    - un élément (20) de liaison, qui peut être relié à un contact (16) électrique du tube (12) de commutation sous vide et
    - un dispositif (28) de réglage électromagnétique, pour déplacer l'élément (20) de liaison entre une première et une deuxième position,
    - une culasse (22) de maintien, par rapport à laquelle l'élément (20) de liaison peut être déplacé relativement et qui comprend un premier élément (24) magnétique, dans lequel
    - le premier élément (24) magnétique donne un premier et un deuxième circuit magnétique dans la culasse (22) de maintien et
    - une armature (26) de maintien ferromagnétique, qui est montée sur l'élément (20) de liaison, dans lequel
    - l'armature (26) de maintien se trouve dans la première position de l'élément (20)de liaison, dans le premier circuit magnétique et dans la deuxième position de l'élément (20) de liaison, dans le deuxième circuit magnétique et dans lequel
    - l'élément (20) de liaison est, dans la première et dans la deuxième position, retenu de manière stable par une force magnétique entre la culasse (22) de maintien et l'armature (26) de maintien,
    caractérisé en ce que
    - le dispositif (28) de réglage électromagnétique a un deuxième élément (30) magnétique et un élément (36) de bobine, qui est mobile par rapport au deuxième élément (30) magnétique et qui est relié à l'élément (20) de liaison.
  2. Dispositif (18) de réglage suivant la revendication 1, caractérisé en ce que le premier et le deuxième éléments ((24, 30) magnétiques sont constitués d'une seule pièce sous la forme d'un système magnétique.
  3. Dispositif (18) suivant l'une des revendications précédentes, caractérisé en ce que l'armature (26) de maintien et l'élément (36) de bobine sont constitués d'une seule pièce sous la forme d'un système de bobine.
  4. Dispositif (10) sectionneur pour le sectionnement d'un circuit électrique comprenant
    - au moins un tube (12) de commutation sous vide, qui a deux contacts (14, 16) électriques et
    - au moins un dispositif (18) de réglage suivant l'une des revendications 1 à 3, l'élément (20) de liaison du au moins un dispositif (18) de réglage étant relié à l'un des contacts (14, 16) du au moins un tube (12) de commutation sous vide, de manière à ouvrir les contacts (14, 16) dans la première position de l'élément (20) de liaison et à les fermer dans la deuxième position de l'élément (20) de liaison.
  5. Dispositif (10) de sectionnement suivant la revendication (4), caractérisé en ce que le dispositif (10) de sectionnement comprend un dispositif (40) de commande, pour commander un courant électrique passant dans l'élément (36) de bobine du au moins un dispositif (18) de réglage et constitué pour réduire le courant électrique passant dans l'élément (36) de bobine, si l'élément (20) de liaison s'approche de la première ou de la deuxième position.
  6. Dispositif suivant la revendication 4 ou 5, caractérisé en ce que le dispositif de commande comprend un circuit en pont ayant des interrupteurs à semi-conducteur.
  7. Dispositif (10) suivant l'une des revendications 4 à 6, caractérisé en ce que le dispositif du sectionnement, pour diminuer une vitesse de déplacement d'un élément (20) de liaison.
  8. Dispositif (10) suivant l'une des revendications 4 à 7, caractérisé en ce que le dispositif (10) de sectionnement a un élément (60) de commutation d'urgence pour fermer les contacts (14, 16) du tube (12) de commutation sous vide.
  9. Dispositif (10) suivant l'une des revendications 4 à 8, caractérisé en ce que le dispositif (10) de sectionnement comprend deux dispositif (18, 18') de réglage et deux tubes (12, 12') de commutation sous vide, le dispositif (40) de commande étant constitué pour commander, l'un par rapport à l'autre, de manière décalée dans le temps, le courant électrique passant dans l'élément (36) de bobine du premier des deux dispositifs (18) de réglage et celui passant dans l'élément (36') de la bobine des deux dispositifs (18') de réglage.
EP13765317.6A 2012-09-27 2013-09-11 Dispositif de réglage pour tube de commutation sous vide et dispositif sectionneur Active EP2885803B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012217583.0A DE102012217583A1 (de) 2012-09-27 2012-09-27 Stellvorrichtung für eine Vakuumschaltröhre und Trennanordnung
PCT/EP2013/068810 WO2014048747A1 (fr) 2012-09-27 2013-09-11 Dispositif de réglage pour tube de commutation sous vide et dispositif sectionneur

Publications (2)

Publication Number Publication Date
EP2885803A1 EP2885803A1 (fr) 2015-06-24
EP2885803B1 true EP2885803B1 (fr) 2017-07-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP13765317.6A Active EP2885803B1 (fr) 2012-09-27 2013-09-11 Dispositif de réglage pour tube de commutation sous vide et dispositif sectionneur

Country Status (5)

Country Link
US (1) US10032589B2 (fr)
EP (1) EP2885803B1 (fr)
CN (1) CN104685599B (fr)
DE (1) DE102012217583A1 (fr)
WO (1) WO2014048747A1 (fr)

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Publication number Priority date Publication date Assignee Title
WO2018037547A1 (fr) * 2016-08-26 2018-03-01 三菱電機株式会社 Circuit de commande de mécanisme d'actionnement électromagnétique
EP3301700B1 (fr) * 2016-09-29 2023-03-29 ABB Schweiz AG Contacteur moyenne tension
SE1851084A1 (en) * 2018-09-14 2020-03-15 Scibreak Ab Current interrupter with actuator run-time control
US20220130630A1 (en) * 2018-11-05 2022-04-28 HYDRO-QUéBEC Bi-stable electromagnetic actuator
CN109671595B (zh) * 2019-01-08 2020-01-14 程丽娜 一种开关

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GB1229799A (fr) * 1967-11-13 1971-04-28
US3751716A (en) * 1972-09-05 1973-08-07 Gen Electric Protective equipment for a series capacitor
DE19921173A1 (de) 1999-05-07 2000-11-09 Abb Patent Gmbh Einrichtung zum Löschen eines Störlichtbogens
DE10011342A1 (de) 2000-03-10 2001-09-13 Abb Patent Gmbh Permanent magnetischer Antrieb für ein elektrisches Schaltgerät
JP2002033034A (ja) 2000-07-13 2002-01-31 Hitachi Ltd 開閉装置及びそれを用いた系統切替装置
CN1234135C (zh) * 2001-01-18 2005-12-28 株式会社日立制作所 电磁铁和使用该电磁铁的开关装置的操作机构
US20070194872A1 (en) * 2005-12-01 2007-08-23 Pfister Andrew D Electromagnetic actuator
WO2010045678A1 (fr) * 2008-10-22 2010-04-29 Kaon Consulting Pty Ltd Appareil de commutation électrique
CN102013355B (zh) 2010-08-05 2013-05-01 西安通大思源电器有限公司 一种提高永磁操动真空断路器寿命的控制方法
CN201788892U (zh) 2010-09-19 2011-04-06 安徽鑫龙电器股份有限公司 交流高压真空断路器
US9837229B2 (en) * 2011-06-24 2017-12-05 Tavrida Electric Holding Ag Method and apparatus for controlling circuit breaker operation

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Also Published As

Publication number Publication date
US10032589B2 (en) 2018-07-24
CN104685599A (zh) 2015-06-03
US20150248984A1 (en) 2015-09-03
CN104685599B (zh) 2017-03-08
WO2014048747A1 (fr) 2014-04-03
DE102012217583A1 (de) 2014-03-27
EP2885803A1 (fr) 2015-06-24

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