EP2549503A1 - Interrupteur sous vide avec commande simple et intervalle double intégré - Google Patents

Interrupteur sous vide avec commande simple et intervalle double intégré Download PDF

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Publication number
EP2549503A1
EP2549503A1 EP11005888A EP11005888A EP2549503A1 EP 2549503 A1 EP2549503 A1 EP 2549503A1 EP 11005888 A EP11005888 A EP 11005888A EP 11005888 A EP11005888 A EP 11005888A EP 2549503 A1 EP2549503 A1 EP 2549503A1
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EP
European Patent Office
Prior art keywords
contact
vacuum interrupter
drive
gap
anyone
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.)
Withdrawn
Application number
EP11005888A
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German (de)
English (en)
Inventor
Dietmar Gentsch
Wenkai Shang
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.)
ABB Technology AG
Original Assignee
ABB Technology 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 ABB Technology AG filed Critical ABB Technology AG
Priority to EP11005888A priority Critical patent/EP2549503A1/fr
Publication of EP2549503A1 publication Critical patent/EP2549503A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
    • 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
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/14—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
    • H01H33/143—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc of different construction or type
    • 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
    • H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
    • H01H2033/6648—Contacts containing flexible parts, e.g. to improve contact pressure
    • 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
    • H01H2033/6668—Operating arrangements with a plurality of interruptible circuit paths in single vacuum chamber
    • 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
    • H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
    • H01H33/6642—Contacts; Arc-extinguishing means, e.g. arcing rings having cup-shaped contacts, the cylindrical wall of which being provided with inclined slits to form a coil

Definitions

  • the invention relates to a vacuum interrupter for medium and high voltage applications and to a circuit breaker arrangement comprising the vacuum interrupter.
  • a performance is influenced by factors such as a contact distance, a contact material, a contact geometry, and drive properties of a vacuum interrupter.
  • a vacuum interrupter with a one gap system generally faces the uncertainty for the vacuum interrupter gap to withstand a voltage without any discharge.
  • Two gaps in series provide for a better performance of interruption of a capacitive current.
  • US 6,498,315 depicts the use of two vacuum interrupters in series to improve the performance, wherein one vacuum interrupter functions as an interrupter and the other vacuum interrupter functions as an interrupter and as an insulator.
  • the two interrupters are driven by a rather complicated drive system which may be costly.
  • DE 3 344 376 A1 , DE 3 811 833 , and DE 3 318 226 show vacuum interrupters with a double- or multi-gap, wherein the gaps are driven from two different directions. Driving multiple gaps from two different directions may result in high costs for the drive.
  • DE 3 344 376 A1 uses a spring element inside the vacuum to support the drive of vacuum interrupter contacts, which may be difficult to realize, such as using T-form or Zig-Zag form constructions.
  • DE 1 975 630 uses a vacuum break interrupter with a slight contact inside a vacuum interrupter. Multiple gaps of the vacuum interrupter are driven in one direction. Due to the high temperature process during manufacturing, the sliding contact may lose its spring force.
  • An aspect of the invention relates to a vacuum interrupter for medium and high voltage applications having a drive rod with a first drive contact and a second drive contact.
  • the vacuum interrupter further comprises a first contact and a second contact.
  • the vacuum interrupter is adapted to contact the first contact with the first drive contact and to contact the second contact with the second drive contact by moving the drive rod from an opened position to a closed position in a closing direction. In the opened position, a first distance of a first gap between the first drive contact and the first contact is smaller than the second distance of a second gap between the second drive contact and the second contact.
  • a vacuum interrupter wherein two different gaps, such as a first and a second gap, each one with corresponding first drive contact and first contact, and second drive contact and second contact, may be driven at the same time and from the same direction by actuating a drive rod or a drive in one closing direction.
  • Such a vacuum interrupter with two gaps driven by moving the drive rod in one direction may enable to reduce the costs for the vacuum interrupter and the drive by increasing the performance of the vacuum interrupter compared to a vacuum interrupter with one gap or a vacuum interrupter with two gaps and drives moving in different directions to close the vacuum interrupter.
  • Such a vacuum interrupter may enable a short drive distance for the drive and the use of one drive for double gaps.
  • one or more insulators may be used for both sides of the second contacts, which may be ring contacts.
  • the vacuum interrupter may be used to secure capacitive switchings for levels above or below 40,5 kV, in particular for capacitive switchings above 17,5 kV.
  • the vacuum interrupter may be used to secure the performance for high voltage applications, for example above a voltage level of 40,5 kV and in particular at a voltage level ranging from 72,5 kV to 145 kV.
  • the vacuum interrupter may be used to secure the performance of a basic impulse level (BIL) the lighting impulse voltage, particularly for special applications or requirements such as 200 kV BIL and railway applications with 250 kV BIL vacuum interrupters.
  • BIL basic impulse level
  • the vacuum interrupter may provide short drive distances for the drive and a single drive to actuate or drive double gaps, at the same time and same direction.
  • the vacuum interrupters of hybrid solutions for ultra high voltage applications as depicted in DE 10 157 140 A1 may be replaced by the vacuum interrupter according to the above and below mentioned embodiments and aspects.
  • the above and below described embodiments and aspects of the vacuum interrupter may be applied to a switching module as described in DE 10 238 950 A1 to replace a flexible current path by the second gap of the vacuum interrupter in a vacuum, since flexible current connecting paths may be difficult to realize in the vacuum.
  • the vacuum interrupter is adapted to contact the first contact with the first drive contact before contacting the second contact with second drive contact.
  • the first gap is closed first and the second gap is closed second, wherein the vacuum interrupter is adapted to contact both, the first contact with the first drive contact and the second contact with the second drive contact concurrently or at the same time, according to another embodiment of the invention.
  • the vacuum interrupter further comprises a first bellows in cooperation with a first contact pen of the first contact.
  • the first bellows may control a movement of the second contact relative to the second drive contact during opening and closing of the vacuum interrupter, such that the first gap is closed before the second gap is closed, and such that the second gap is opened before the first gap is opened.
  • the first bellow may balance the contact between the first drive contact and the first contact, the contact between the second drive contact and the second contact, and an opening and closing of the drive rod.
  • the vacuum interrupter may further comprise a second bellow, which may be in cooperation with the drive rod.
  • the second bellow may be adapted to control a movement of the drive rod relative to the second contact and the first contact.
  • the second bellow may balance the contact between the first drive contact and the first contact, the contact between the second drive contact and the second contact, and an opening and closing of the drive rod.
  • the first drive contact and the first contact of the first gap are selected from the group consisting of axial magnetic fields (AMF) contacts or radial magnetic fields (RMF) contacts.
  • AMF axial magnetic fields
  • RMF radial magnetic fields
  • the AMF contacts may for example be unipolar quadruple contacts, or bipolar contacts and the RMF contacts may for example have contacts with a spiral or cup form with a slot cut.
  • the vacuum interrupter may be more efficient since the contracted arc may move over the contract surface at a speed of 50 to 350 m per second, the high velocity ensuring, that there is less contact erosion.
  • the current interrupting capability may be significantly improved as compared to flat contact.
  • the switching capacity of the vacuum interrupter may be increased even more by using axial magnetic field contacts which enable, that the vacuum arc burn in diffused mode, and that the supply of energy to the electrodes is reduced, such that an arc voltage may be achieved that is lower than the arc voltage when using RMF contacts.
  • the second drive contact and the second contact of the second gap are RMF contacts, in particular RMF cup form contacts with a driving force of a second drive contact having an angle of about 10 to 80 degrees to a tangential direction of a RMF ring.
  • the two cup form contacts may be provided with a drive force for the vacuum arc which may rotate around the ring of the RMF contacts.
  • the vacuum interrupter further comprises a first spring which is adapted to generate a force acting against the movement of the first contact in the closing direction and generate enough contact force.
  • the first contact may move in the closing direction such that by moving the drive rod in the closing direction to contact the first contact with the first drive contact while closing the first gap, the first contact and the first drive contact may move a first over-travel distance in the closing direction, the first drive contact in addition to the first distance.
  • the first interruption gap may thus be closed, still providing a defined first over-travel distance due to a (elastic) force of the first spring, and a fixation of the first spring at the vacuum interrupter.
  • the second gap may be closed, wherein the drive rod may move a second over-travel distance in the closing direction due to a force generated by a second spring at the drive rod.
  • the second over-travel distance may be larger than the first over-travel distance.
  • a first over travel distance which is the distance the first contact has to travel for moving from the opened position to the closed position, together with the first distance equals essentially the second distance.
  • the vacuum interrupter further comprises a second spring which is adapted to generate a force acting against the movement of the drive rod in an opening direction, which is opposite to the closing direction.
  • the drive rod is enabled to move a second over-travel distance in the closing direction.
  • the first contact spring force of the first spring may be smaller than the second contact spring force of the second spring in a closed position of the first gap and the second gap.
  • the vacuum interrupter is adapted to disconnect the first contact from the first drive contact and to disconnect the second contact from the second drive contact by moving the drive rod in an opening direction.
  • the vacuum interrupter is adapted to first disconnect the second contact from a second drive contact before disconnecting the first contact from the first drive contact.
  • the vacuum interrupter may be adapted to disconnect the first contact from the first drive contact, when the first contact has moved the first over-travel distance to the limitation of the first spring.
  • the vacuum interrupter comprises an embedded pole part and the vacuum interrupter is imbedded in solid insulation or assembled inside insulator tube with extra gas or liquid insulation.
  • a total voltage applied to the vacuum interrupter is distributed between the first and the second gap, such that a voltage in a range of 5% to 50% of the total voltage is distributed to the second gap.
  • a voltage of 40% of the total voltage is distributed to the second gap.
  • a further aspect of the invention relates to a circuit breaker arrangement, comprising at least one vacuum interrupter according to the above-mentioned embodiments or aspects.
  • a use of a vacuum interrupter according to anyone of the above-mentioned embodiments or aspects in one of a capacitive switching, a medium or high voltage application, and a circuit breaker arrangement is provided, e.g. in series or parallel.
  • Fig. 1 shows a cross sectional view of a vacuum interrupter 100 cut along a longitudinal axis.
  • the vacuum interrupter 100 is adapted for medium and high voltage applications and capacitive switching, in particular for securing capacitive switching for a 24 kV and a 36 kV level and levels above or below 36 kV, and for securing the performance of high voltage applications, for example, at a voltage level ranging from 72.5 kV to 145 kV.
  • the drive rod 101 comprises a first drive contact 102 and a second drive contact 103.
  • the vacuum interrupter 100 is adapted to contact a first contact 104 with the first drive contact 102 and to contact a second contact 105 with the second drive contact 103 by moving the drive rod 101 from an opened position to a closed position in a closing direction 140.
  • the first distance 144 of a first gap 106 between the first drive contact 102 and the first contact 104 is smaller than a second distance 146 of a second gap 107 between the second drive contact 103 and a second contact 105.
  • the vacuum interrupter 100 is adapted to first contact the first contact 104 with the first drive contact 102 before contacting the second contact 105 with the second drive contact 103.
  • a first contact drive rod 122 may travel a first over-travel distance (not shown) in the closing direction 140 due to an opposing force generated by a first spring 108 fixed at the fixation 120 of the vacuum interrupter 100.
  • the first spring 108 is adapted to generate a force acting against the movement of the first contact 104 in the closing direction 140.
  • the first drive contact 102 may move the first over-travel distance in addition to the first distance 144.
  • the first over-travel distance which is the distance the first contact 104 has to travel from the opened position to the closed position, together with the first distance 144 equals essentially the second distance 146.
  • the first spring 108 may be a contact spring and is housed in a (contact) spring holder 121.
  • the first contact drive rod 122 is attached to a current receiver element 123 which is attached to a first contact pen 124 of the first contact 104.
  • a first bellow 110 is provided at the first contact pen 124 of the first contact 104.
  • the first bellow 110 may balance the contact between the first drive contact 102 and the first contact 104, the contact between the second drive contact 103 and the second contact 105, and an opening and closing of the drive rod 101 in an opening direction 142 and in a closing direction 140.
  • a second bellow 111 is provided at a region of the drive rod 101 or in cooperation with the drive rod 101, and may be adapted to control a movement of the drive rod 101 relative to the second contact 105 and the first contact 104.
  • the second bellow 111 may balance the contact between the first drive contact 102 and the first contact 104, the contact between the second drive contact 103 and the second contact 105, and an opening and closing of the drive rod 101 in an opening direction 142 and in a closing direction 140.
  • a second spring (see fig. 5 ) may be provided at the drive rod 101.
  • the second spring may be adapted to generate a force acting against the movement of the drive rod 101 in an opening direction 142, which is opposite to the closing direction 140.
  • the drive rod 101 is kept in closed position with a second over-travel distance in the closing direction 140 (see Fig. 5 ), by using second contact spring.
  • a first contact spring force 152 of the first spring 108 may be smaller than a second contact spring force of the second spring in a closed position of the first gap 106 and the second gap 107 (see Fig. 5 ).
  • a current may move following a current path 112 through the current receiver 123, the first contact 104, the first drive contact 102, the drive rod 101, the second drive contact 103 and the second contact 105.
  • the explosion of the last "metallic bridge” causes a metal vapor arc to form.
  • This arc which consists exclusively of the vaporizing contact material is sustained by the external supply of energy until the next time the current passes through zero.
  • the arc is finally extinguished and the vacuum interrupter 100 regains its insulating capability, i.e. it is able to withstand the transient recovery voltage.
  • the size of the vacuum gaps 106, 107 and the geometry of the contacts 102, 104; 103, 105 determine the capacity of the vacuum interrupter 100 to extinguish the arc after the current zero-crossing.
  • the first drive contact 102 and the first contact 104 of the first gap 106 may be selected from the group consisting of axial magnetic fields (AMF) contacts such as unipolar quadruple contacts and bipolar contacts, and radial magnetic fields (RMF) contacts, such as spiral or cup form contacts with slot cuts.
  • AMF axial magnetic fields
  • RMF radial magnetic fields
  • the second drive contact 103 and the second contact 105 of the second gap 107 are RMF contacts, in particular RMF cup form contacts with a driving force of the second drive contact 103 possibly having an angle of about 40 - 80 degrees to a tangential direction of a RMF ring.
  • the two cup form contacts may be provided with the drive force for the vacuum arc which may rotate around the ring of the RMF.
  • the vacuum interrupter 100 is adapted to disconnect the first contact 104 from the first drive contact 102 and to disconnect the second contact 105 from the second drive contact 103 by moving the drive rod 101 in the opening direction 142, wherein the vacuum interrupter 100 is adapted to first disconnect the second contact 105 from the second drive contact 103 before disconnecting the first contact 104 from the first drive contact.
  • the vacuum interrupter 100 may comprise an embedded pole part, and may be imbedded in solid insulation, or could be assembled inside insulation or metal housing provided with gas or liquid insulation.
  • the total voltage applied to the vacuum interrupter 100 is distributed between the first and second gaps 106 and 107, such that a voltage in a range of 5% to 50 % of the total voltage is distributed to the second gap 107, in particular a voltage of 40 % of the total voltage.
  • the vacuum interrupter 100 further comprises a cover and shielding element 125 in a region of the first gap 106 as well as ceramic elements 127 in a region of the drive rod 101 and a region of the second gap 107, and a cover and shielding element 128 at a region of the drive rod 101 below the second gap 107 at an end of the drive rod 101 connected to the drive rod actuating mechanism.
  • Fig. 2 schematically shows a cross sectional view of a vacuum interrupter 100 according to Fig. 1 with the difference, that there are only two ceramic elements 127 instead of the three ceramic elements 127 of Fig. 1 .
  • a middle axis A is depicted separating the vacuum interrupter in an upper and a lower half.
  • four shielding elements 126 are shown.
  • Fig. 3 schematically shows a cross sectional view of the vacuum interrupter of Fig. 2 , with the difference, that six shielding elements 126 are shown, wherein all shielding elements are attached to the ceramic elements 127, as shown in fig. 2 .
  • Fig. 4 schematically shows the vacuum interrupter 100 of Fig. 2 , with the difference, that the ceramic elements 127 extend from the second gap 107 region over the first gap region 106 and over the first bellow 110.
  • the ceramic element 127 also extends over the larger part of the second bellow 111.
  • One shielding element 126 extends over the larger part of the second bellow 111 and another shielding element 126 extends over the first gap 106.
  • the first spring 108 is shown in the vacuum interrupter 101 similar to the embodiment of Fig. 1 .
  • Fig. 5 schematically shows a cross sectional view of a vacuum interrupter 101 according to Fig. 5 , with the difference, that the vacuum interrupter 101 is shown in a closed position with the first and the second gaps closed, and with a second contact drive rod 130 attached to the drive rod 101, and attached to a second spring 109.
  • the second spring 109 is adapted to generate a force acting against the movement of the drive rod 101 in an opening direction 142, which is opposite to the closing direction 140.
  • the drive rod 101 kept in closed position by a second over-travel distance 150 in the closing direction 140.
  • a first contact spring force 152 of the first spring 108 may be smaller than a second contact spring force 154 of the second spring 109 in a closed position of the first gap and the second gap as shown in Fig. 5 .
  • the second (contact) spring 109 is housed in a (contact) spring holder 131.

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  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
EP11005888A 2011-07-19 2011-07-19 Interrupteur sous vide avec commande simple et intervalle double intégré Withdrawn EP2549503A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11005888A EP2549503A1 (fr) 2011-07-19 2011-07-19 Interrupteur sous vide avec commande simple et intervalle double intégré

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11005888A EP2549503A1 (fr) 2011-07-19 2011-07-19 Interrupteur sous vide avec commande simple et intervalle double intégré

Publications (1)

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EP2549503A1 true EP2549503A1 (fr) 2013-01-23

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108133863A (zh) * 2017-12-28 2018-06-08 毛红玲 一种特高压真空灭弧室
CN108172458A (zh) * 2017-12-28 2018-06-15 毛红玲 一种双电源型特高压真空灭弧室
CN108172459A (zh) * 2017-12-28 2018-06-15 毛红玲 一种用于特高压真空灭弧室的动触头
CN108257816A (zh) * 2017-12-28 2018-07-06 毛红玲 一种用于特高压真空灭弧室的筒体
CN108320993A (zh) * 2017-12-28 2018-07-24 毛红玲 一种用于真空灭弧室的静触头
CN110676112A (zh) * 2018-07-03 2020-01-10 天津平高智能电气有限公司 一种固封极柱及断路器
US10923298B1 (en) 2020-04-02 2021-02-16 Eaton Intelligent Power Limited Compact pole unit for fast switches and circuit breakers
CN113921329A (zh) * 2020-07-07 2022-01-11 施耐德电器工业公司 真空负荷断路开关
WO2024027907A1 (fr) * 2022-08-03 2024-02-08 Siemens Energy Global GmbH & Co. KG Dispositif de commutation

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DE331822C (de) 1915-11-06 1921-01-13 Optische Anstalt C P Goerz Akt Zuender fuer Abwurfgeschosse mit zwei Schlagbolzen fuer schnelle und langsame Zuendung
DE334437C (de) 1919-10-02 1921-03-14 Friedrich Renninger Abreibe- und Reinigungsvorrichtung fuer Samen
DE381183C (de) 1923-09-17 Gothaer Waggonfabrik Akt Ges Scheibenkupplung fuer Motortriebwagen
US3023290A (en) * 1958-08-18 1962-02-27 Jennings Radio Mfg Corp Relay
DE1975630U (de) 1966-09-26 1967-12-21 Georges Braganti Von hand betaetigbare antriebsvorrichtung fuer kleinere wasserfahrzeuge, wie boote, kaehne od. dgl.
US3969598A (en) * 1975-02-03 1976-07-13 General Electric Company Vacuum-type circuit interrupter with a plurality of sets of contacts in parallel
DE3344376A1 (de) * 1983-12-08 1985-06-13 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Vakuumschalter
EP0381843A2 (fr) * 1989-01-12 1990-08-16 AEG Sachsenwerk GmbH Contact interrupteur
EP0866481A2 (fr) * 1997-03-22 1998-09-23 ABBPATENT GmbH Chambre à vide
DE19756308C1 (de) * 1997-12-12 1999-03-25 Siemens Ag Vakuumschalter, insbesondere für Hochspannung
US6498315B1 (en) 1999-03-17 2002-12-24 Abb Patent Gmbh High-voltage switching device having at least two-series-connected vacuum interrupters, and a method for operation of the high-voltage switching device
JP2003007179A (ja) * 2001-06-20 2003-01-10 Mitsubishi Electric Corp 真空バルブおよびそれを用いた電力用開閉装置
DE10157140A1 (de) 2001-11-21 2003-05-28 Abb Patent Gmbh Hybridschalter
DE10238950A1 (de) 2002-08-24 2004-03-04 Abb Patent Gmbh Vakuumschaltgerät
DE102008023502A1 (de) * 2008-05-13 2009-11-26 Siemens Aktiengesellschaft Vakuumschaltröhre

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE381183C (de) 1923-09-17 Gothaer Waggonfabrik Akt Ges Scheibenkupplung fuer Motortriebwagen
DE331822C (de) 1915-11-06 1921-01-13 Optische Anstalt C P Goerz Akt Zuender fuer Abwurfgeschosse mit zwei Schlagbolzen fuer schnelle und langsame Zuendung
DE334437C (de) 1919-10-02 1921-03-14 Friedrich Renninger Abreibe- und Reinigungsvorrichtung fuer Samen
US3023290A (en) * 1958-08-18 1962-02-27 Jennings Radio Mfg Corp Relay
DE1975630U (de) 1966-09-26 1967-12-21 Georges Braganti Von hand betaetigbare antriebsvorrichtung fuer kleinere wasserfahrzeuge, wie boote, kaehne od. dgl.
US3969598A (en) * 1975-02-03 1976-07-13 General Electric Company Vacuum-type circuit interrupter with a plurality of sets of contacts in parallel
DE3344376A1 (de) * 1983-12-08 1985-06-13 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Vakuumschalter
EP0381843A2 (fr) * 1989-01-12 1990-08-16 AEG Sachsenwerk GmbH Contact interrupteur
EP0866481A2 (fr) * 1997-03-22 1998-09-23 ABBPATENT GmbH Chambre à vide
DE19756308C1 (de) * 1997-12-12 1999-03-25 Siemens Ag Vakuumschalter, insbesondere für Hochspannung
US6498315B1 (en) 1999-03-17 2002-12-24 Abb Patent Gmbh High-voltage switching device having at least two-series-connected vacuum interrupters, and a method for operation of the high-voltage switching device
JP2003007179A (ja) * 2001-06-20 2003-01-10 Mitsubishi Electric Corp 真空バルブおよびそれを用いた電力用開閉装置
DE10157140A1 (de) 2001-11-21 2003-05-28 Abb Patent Gmbh Hybridschalter
DE10238950A1 (de) 2002-08-24 2004-03-04 Abb Patent Gmbh Vakuumschaltgerät
DE102008023502A1 (de) * 2008-05-13 2009-11-26 Siemens Aktiengesellschaft Vakuumschaltröhre

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108133863A (zh) * 2017-12-28 2018-06-08 毛红玲 一种特高压真空灭弧室
CN108172458A (zh) * 2017-12-28 2018-06-15 毛红玲 一种双电源型特高压真空灭弧室
CN108172459A (zh) * 2017-12-28 2018-06-15 毛红玲 一种用于特高压真空灭弧室的动触头
CN108257816A (zh) * 2017-12-28 2018-07-06 毛红玲 一种用于特高压真空灭弧室的筒体
CN108320993A (zh) * 2017-12-28 2018-07-24 毛红玲 一种用于真空灭弧室的静触头
CN110676112A (zh) * 2018-07-03 2020-01-10 天津平高智能电气有限公司 一种固封极柱及断路器
CN110676112B (zh) * 2018-07-03 2022-05-06 天津平高智能电气有限公司 一种固封极柱及断路器
US10923298B1 (en) 2020-04-02 2021-02-16 Eaton Intelligent Power Limited Compact pole unit for fast switches and circuit breakers
CN113921329A (zh) * 2020-07-07 2022-01-11 施耐德电器工业公司 真空负荷断路开关
WO2024027907A1 (fr) * 2022-08-03 2024-02-08 Siemens Energy Global GmbH & Co. KG Dispositif de commutation

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