EP1618577B1 - Vakuum-unterbrecherschalter - Google Patents

Vakuum-unterbrecherschalter Download PDF

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Publication number
EP1618577B1
EP1618577B1 EP04723435A EP04723435A EP1618577B1 EP 1618577 B1 EP1618577 B1 EP 1618577B1 EP 04723435 A EP04723435 A EP 04723435A EP 04723435 A EP04723435 A EP 04723435A EP 1618577 B1 EP1618577 B1 EP 1618577B1
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
vacuum circuit
contact
breaker according
traction
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.)
Expired - Lifetime
Application number
EP04723435A
Other languages
English (en)
French (fr)
Other versions
EP1618577A1 (de
EP1618577A4 (de
Inventor
Alexei Mikhailovich Chaly
Oleg Igorevich Chervinsky
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.)
Tavrida Electric Industrial Group
Original Assignee
Tavrida Electric Industrial Group
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Filing date
Publication date
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Application filed by Tavrida Electric Industrial Group filed Critical Tavrida Electric Industrial Group
Publication of EP1618577A1 publication Critical patent/EP1618577A1/de
Publication of EP1618577A4 publication Critical patent/EP1618577A4/de
Application granted granted Critical
Publication of EP1618577B1 publication Critical patent/EP1618577B1/de
Anticipated expiration legal-status Critical
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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
    • H01H33/666—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
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5833—Electric connections to or between contacts; Terminals comprising an articulating, sliding or rolling contact between movable contact and terminal
    • 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
    • H01H33/6606—Terminal arrangements
    • H01H2033/6613—Cooling arrangements directly associated with the terminal 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
    • H01H33/02—Details
    • H01H33/24—Means for preventing discharge to non-current-carrying parts, e.g. using corona ring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/16—Indicators for switching condition, e.g. "on" or "off"

Definitions

  • the invention is related to electrical engineering, particularly to vacuum circuit breaker.
  • the vacuum circuit breaker having vacuum interrupter, electromagnetic drive, opening springs and compression springs is known [1].
  • the closest in design is the vacuum circuit breaker of TEL line, having drives in segregated - phase arrangement with magnetic latch and synchronizing shaft [2].
  • Disadvantages of this design include considerable length of pulling insulator, relatively high resistance of movable conducting element (flexible current shunt), complexity of magnetic actuator, low rated current due to hindered natural cooling of contact terminals, difficulty in manual tripping and remote mechanical indication of main contact positions, difficulties in connecting up socket contacts and designing interlock mechanisms for various application projects.
  • the invention solves the problem of providing a vacuum circuit breaker having reduced dimensions and cost, while increasing main performance parameters.
  • the technical effect of applying the invention as claimed includes: reduction in traction insulator length, reduction in resistance of movable conducting element, simplification and cost reduction of the magnetic actuator, increase of rated current due to improvement in cooling contact terminals, reduction of the force required for manual tripping, solution of the problem of remote mechanical indication for main contacts, connecting up socket contacts and their simplified designs, facilitation of the task of hooking up interlock mechanisms.
  • the vacuum circuit breaker is characterized in that the traction insulation therein is embodied in such a way that component parts energized by different potentials are covered with insulation, immovable part of the insulation being embodied with a tubular fragment located coaxially inside the insulation sleeve, which is a part of the traction insulator, and resilient conductive spirals are used as movable conducting elements, having a possibility of rolling between surfaces, at least one of which possesses teeth, with the teeth oriented in the direction of motion, two convolutions of said spirals being located between the teeth, and drive magnetic systems constitute two bowl - shaped components made of high - coercivity material with a coil located inside, one bowl - shaped component being attached to the circuit breaker base, the other being attached to the traction insulator, and contact terminals are made of aluminium alloy using extrusion process followed by subsequent mechanical finishing, and the manual deenergization generator constitutes a closed magnetic system having a possibility of mechanical opening thereof, comprising permanent magnet and coil electrically connected with
  • the essence of the invention consists in the fact that the traction insulator and immovable insulation tubular fragment provide labyrinth air-gap between high potential and the earth in such a way that the breakdown path in the air has segments directed oppositely to the direction of the electrical field.
  • the drive magnetic system consisting of two bowl - shaped component parts made of high - coercivity material makes it possible to implement a simple and reliable drive with magnetic latch.
  • the general layout of the vacuum circuit breaker is presented in Fig.1 , the plane section for a module of one of the phases is presented for the vacuum circuit breaker in enabled position in Fig. 2 , and for the vacuum circuit breaker in disabled position in Fig. 3 , the contact terminals are shown in Fig. 4 , the principle of contacting for the spiral current collector in cases of one and two toothed surfaces is presented in Fig. 5 and Fig. 6 accordingly, the plane section of the manual deenergization generator is provided in Fig. 7 , the construction design of a socket contact is presented in Fig. 8 .
  • the vacuum circuit breaker comprises phase modules mounted on metal base 1, inside which drives with magnetic latch are situated, comprising stator 2, armature 3 and coil 4, opening spring 5, synchronizing 6 and interlock 7 shafts, block contacts.
  • Cam 8 is situated at the end of interlock shaft 7.
  • the phase modules comprise supporting insulators 9, with vacuum chambers 10 embedded in silicone rubber positioned inside, contact terminals 11, 12, compression spring 13 and traction insulators 14.
  • Drive stator 2 faced to contact terminal 11 is covered with hard insulation 15 with the tubular fragment 16.
  • Spiral conducting elements 17 are situated in the clearance between contact terminal 11 I and movable contact bush 18.
  • Indicator of contact positions 19 is connected with synchronizing shaft 6 with the encapsulated wire shaft.
  • Manual deenergization generator 20 with armature 21 is electrically connected with windings of drive coils 4.
  • Socket contacts 22 comprise separators 23, lamels 24 and plate springs 25.
  • the device operates in the following way.
  • a current pulse is provided to drive coils 4, closing stator 2 and armature 3 occurs, which is accompanied by compression of opening 5 and compression 13 springs, and closing contacts of vacuum chambers 10 occurs.
  • Stator 2 and armature 3 may be in closed position infinitely, because they are made of high - coercivity material, retaining therein the residual magnetic flux.
  • a negative - sequence current pulse is provided to coils 4
  • "resetting" of the magnetic latch from the drive occurs, and by the action of springs 5 and 13, the drive returns to the position presented in Fig. 3 , contacts of vacuum chambers 10 are disconnected.
  • the synchronizing shaft turns to a certain angle, moving the indicator 19 from one position to another.
  • the shaft turn brings about actuation of block contacts (not shown in the Fig. 3 ).
  • block contacts not shown in the Fig. 3 .
  • spiral conducting elements 17 roll between elements 18 and 11. ensuring permanent contact between them.
  • Forces of contact pressures are shown by arrows in Fig. 5 and Fig. 6 for turns of resilient spiral conducting elements in cases of one ( Fig. 5 ) or two ( Fig. 6 ) toothed surfaces.
  • Fig. 2 The principle of labyrinth insulation is shown in Fig. 2 , wherein possible path of the breakdown in air between terminal 11 and component parts energized by the earth potential is indicated by arrows.
  • manual deenergization may be performed using manual deenergization generator 20 by moving its armature 21, resulting in opening the magnetic system enabling the permanent magnet, and inducing a current pulse in the coil of manual deenergization generator 20, fed to drive coils 4, leading to "resetting" of the latter from the magnetic latch.
  • Manual deenergization also may be performed by mechanical disconnection of stator 2 from armature 3 through turning interlock shaft 7, which detaches armature 3 from stator 2 with its cam.
  • Turning of the interlock shaft 7 is performed by 90°, and its design is such that it may be situated only in one of two stable positions of Fig. 2 and Fig. 3 .
  • Multiple contact spiral current collector 17 enables obtaining low values of transient resistance, unobtainable for other designs of similar dimensions.
  • Manual deenergization generator 20 and indicator of contact position 19 may be mounted in any convenient place because they are not in a rigid mechanical connection with the vacuum circuit breaker.
  • interlock shaft makes it possible to develop simple and reliable interlock systems for any type of factory - assembled distribution devices.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Keying Circuit Devices (AREA)

Claims (8)

  1. Vakuum-Unterbrecherschalter, enthaltend Vakuumkessel, Bezugsun Schubisolierung, Antriebe mit getrennten Phasen und magnetischen Schnappern und eine gemeinsame Synchronisierwelle, dadurch gekennzeichnet, daß zwecks der Verkleinerung der Außenmaße die Schubisolierung so ausgebildet ist, daß die Schaltungselemente, die verschiedene Potenziale haben, mit der Isolierung verdeckt sind, wobei der unbewegliche Teil der Isolierung ein röhriges Fragment hat, das gleichachsig innerhalb des Isolierglases untergebracht ist, wobei das Isolierglas ein Teil des Schubisolators ist.
  2. Vakuum-Unterbrecherschalter nach Anspruch 1, dadurch gekennzeichnet, daß als ein stromführendes Element elastische Spiralen genutzt sind, die zwischen den Flächen abrollen können, und wenigstens eine Spirale verzahnt ist, und die Zähne in der Richtung der Bewegung gerichtet sind, wobei zwei Windungen der genannten Spiralen zwischen den Zähnen liegen.
  3. Vakuum-Unterbrecherschalter nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Magnetiksysteme der Antriebe zwei Schalen aus Dauermagnetwerkstoff mit einer innenliegenden Rolle vorstellen, wobei eine Schale zu der Gründung des Unterbrecherschalters befestigt ist und die andere zu dem Schubisolator befestigt ist.
  4. Vakuum-Unterbrecherschalter nach einem der Ansprüche 1, 2, 3, dadurch gekennzeichnet, daß die Kontaktterminale aus einer Aluminiumlegierung mittels Strangpreßverfahrens mit anschließender mechanischen Bearbeitung hergestellt sind.
  5. Vakuum-Unterbrecherschalter nach einem der Ansprüche 1, 2, 3, 4, dadurch gekennzeichnet, daß der Unterbrecherschalter einen Handauflösungsgenerator hat, der ein geschlossenes Magnetiksystem vorstellt, das mechanisch abgeschaltet werden kann und einen Dauermagnet und eine Spule hat, wobei die Spule mit den Spulen der Antriebe des Shalters elektrisch verbunden ist und die Handauflösungsdrucktaste fest mit dem Element des Magnetiksystems auf solche Weise verbunden ist, daß die Richtung der Betätigung der Öffnungsrichtung des Magnetiksystems entspricht.
  6. Vakuum-Unterbrecherschalter nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der Unterbrecherschalter eine abgesetzte Schaltstellungsanzeige hat, verbunden mit dem Mechanismus der Synchronisierwelle des Unterbrecherschalters mittels Zugmittel in Form eines ummantelten Seiles.
  7. Vakuum-Unterbrecherschalter nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der Unterbrecherschalter Steckkontakte hat, umfassend Separatoren aus Aluminiumlegierung, die mittels Extrudieren hergestellt ist.
  8. Vakuum-Unterbrecherschalter nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Unterbrecherschalter eine Blockrolle mit einem Nocken für mechanische Unterbrechung und Antriebsblockierung im Abschaltzustand und einen Hebel für elektrische Verriegelung umfasst.
EP04723435A 2003-03-26 2004-03-25 Vakuum-unterbrecherschalter Expired - Lifetime EP1618577B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2003108296/09A RU2249874C2 (ru) 2003-03-26 2003-03-26 Вакуумный выключатель
PCT/RU2004/000114 WO2004086437A1 (en) 2003-03-26 2004-03-25 Vacuum circuit breaker

Publications (3)

Publication Number Publication Date
EP1618577A1 EP1618577A1 (de) 2006-01-25
EP1618577A4 EP1618577A4 (de) 2006-08-02
EP1618577B1 true EP1618577B1 (de) 2009-03-25

Family

ID=33095916

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04723435A Expired - Lifetime EP1618577B1 (de) 2003-03-26 2004-03-25 Vakuum-unterbrecherschalter

Country Status (8)

Country Link
EP (1) EP1618577B1 (de)
CN (1) CN100375211C (de)
AT (1) ATE426910T1 (de)
DE (1) DE602004020206D1 (de)
RU (1) RU2249874C2 (de)
UA (1) UA79370C2 (de)
WO (1) WO2004086437A1 (de)
ZA (1) ZA200508667B (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102306589A (zh) * 2011-05-31 2012-01-04 北京博瑞莱智能科技有限公司 低压永磁真空负荷开关
CN102306585A (zh) * 2011-07-15 2012-01-04 蒋通军 一种遥控及手动两用式电力高压保险开关
CN102915870A (zh) * 2012-11-13 2013-02-06 宁夏力成电气集团有限公司 一种具有闭合磁路的e形单稳态永磁机构

Families Citing this family (21)

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DE102006041377B3 (de) * 2006-08-29 2007-12-27 Siemens Ag Armatur
DE102006042101B4 (de) * 2006-09-07 2008-09-25 Switchcraft Europe Gmbh Vakuumschalter für Mittel- und Hochspannungen
FR2920251B1 (fr) * 2007-08-23 2009-11-13 Areva T & D Sa Dispositif de coupure pour appareillage electrique de commutation
RU2344506C1 (ru) * 2007-08-30 2009-01-20 Евгений Валерьевич Прохоренко Вакуумный выключатель
JP5215238B2 (ja) * 2009-05-28 2013-06-19 三菱電機株式会社 遮断器
EP2461338B2 (de) * 2010-12-03 2017-03-01 ABB Schweiz AG Schutzschalteranordnung für eine Mittelspannungs- bis Hochspannungsanwendung
FR2971080B1 (fr) * 2011-02-02 2013-03-01 Alstom Grid Sas Appareillage d'ampoule a vide comprenant un moyen de verrouillage
US8729416B2 (en) 2012-01-23 2014-05-20 Electro-Mechanical Corporation Circuit breaker remote tripping
US8729985B2 (en) 2012-01-23 2014-05-20 Electro-Mechanical Corporation Switchgear visible disconnect mechanical interlock
US9070517B2 (en) 2012-08-13 2015-06-30 Electro-Mechanical Corporation Vacuum interrupter and linear disconnect switch
RU2521609C2 (ru) * 2012-11-01 2014-07-10 Открытое акционерное общество "Всероссийский научно-исследовательский проектно-конструкторский и технологический институт электромашиностроения" Вакуумный выключатель
RU2551443C2 (ru) * 2013-02-13 2015-05-27 Общество с ограниченной ответственностью "Астер Электро" Модульный вакуумный выключатель
CN103367023B (zh) * 2013-06-17 2015-12-02 北海银河产业投资股份有限公司 全绝缘真空断路器极柱
RU2545163C1 (ru) * 2013-10-02 2015-03-27 Общество с ограниченной ответственностью "Научно-производственная фирма "Радиус" Вакуумный выключатель
US20150332883A1 (en) * 2014-05-14 2015-11-19 Eaton Corporation Electrical switching apparatus and linear actuator assembly therefor
GB2527800A (en) * 2014-07-02 2016-01-06 Eaton Ind Netherlands Bv Circuit breaker
IT201700020449A1 (it) * 2017-02-23 2018-08-23 Giampietro Tosi Gruppo interruttore in vuoto con sezionatore per media tensione
RU2684175C1 (ru) * 2018-05-17 2019-04-04 Акционерное общество "Радио и Микроэлектроника" Трехфазный вакуумный выключатель
US10825625B1 (en) 2019-06-07 2020-11-03 Smart Wires Inc. Kinetic actuator for vacuum interrupter
RU2721790C1 (ru) * 2019-09-04 2020-05-22 Евгений Юрьевич Парамонов Механизм ручного отключения приводов высоковольтного вакуумного выключателя
RU2756294C1 (ru) * 2020-11-05 2021-09-29 Акционерное Общество "Электротехнические заводы "Энергомера" Механизм ручного отключения привода высоковольтного вакуумного выключателя

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102306589A (zh) * 2011-05-31 2012-01-04 北京博瑞莱智能科技有限公司 低压永磁真空负荷开关
CN102306589B (zh) * 2011-05-31 2014-01-01 北京博瑞莱智能科技有限公司 低压永磁真空负荷开关
CN102306585A (zh) * 2011-07-15 2012-01-04 蒋通军 一种遥控及手动两用式电力高压保险开关
CN102306585B (zh) * 2011-07-15 2013-11-06 蒋通军 一种遥控及手动两用式电力高压保险开关
CN102915870A (zh) * 2012-11-13 2013-02-06 宁夏力成电气集团有限公司 一种具有闭合磁路的e形单稳态永磁机构
CN102915870B (zh) * 2012-11-13 2014-11-26 宁夏力成电气集团有限公司 一种具有闭合磁路的e形单稳态永磁机构

Also Published As

Publication number Publication date
EP1618577A1 (de) 2006-01-25
ATE426910T1 (de) 2009-04-15
DE602004020206D1 (de) 2009-05-07
RU2249874C2 (ru) 2005-04-10
HK1093379A1 (zh) 2007-03-02
CN1795520A (zh) 2006-06-28
WO2004086437A1 (en) 2004-10-07
EP1618577A4 (de) 2006-08-02
CN100375211C (zh) 2008-03-12
UA79370C2 (en) 2007-06-11
ZA200508667B (en) 2006-10-25

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