EP0448481A1 - Antrieb für einen Dreistellungsschalter - Google Patents

Antrieb für einen Dreistellungsschalter Download PDF

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Publication number
EP0448481A1
EP0448481A1 EP91420083A EP91420083A EP0448481A1 EP 0448481 A1 EP0448481 A1 EP 0448481A1 EP 91420083 A EP91420083 A EP 91420083A EP 91420083 A EP91420083 A EP 91420083A EP 0448481 A1 EP0448481 A1 EP 0448481A1
Authority
EP
European Patent Office
Prior art keywords
shaft
spring
switch
plate
control
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.)
Granted
Application number
EP91420083A
Other languages
English (en)
French (fr)
Other versions
EP0448481B1 (de
Inventor
Patrick Bonnardel
Jacques Vernay
Hugues Filiputti
Thierry Humbert
Marcel Rigaud
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.)
Schneider Electric SE
Original Assignee
Merlin Gerin SA
Schneider Electric SE
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 Merlin Gerin SA, Schneider Electric SE filed Critical Merlin Gerin SA
Publication of EP0448481A1 publication Critical patent/EP0448481A1/de
Application granted granted Critical
Publication of EP0448481B1 publication Critical patent/EP0448481B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
    • H01H3/3047—Power arrangements internal to the switch for operating the driving mechanism using spring motor adapted for operation of a three-position switch, e.g. on-off-earth
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
    • H01H2003/3068—Housing support frame for energy accumulator and cooperating mechanism

Definitions

  • the invention relates to a control mechanism of an electric switch with a main shaft carrying or actuating contacts and capable of being selectively brought into three stable positions, a central opening position and on either side of this central position, respectively a position for closing the switch and a position for closing the earth, said main shaft being connected by lever levers, on the one hand to a first control device for closing and opening of the switch and on the other hand to a second device for controlling the closing and opening of the earthing.
  • a known control mechanism of the kind mentioned comprises two independent control devices, one for closing and opening the switch and the other for closing and opening the earthing.
  • Each of these Tumbler-type devices has a spring and interlocking systems prohibit any false operation, in particular a closing of the earthing when the switch is closed.
  • These devices are complicated and of uncertain reliability.
  • the invention aims to allow the realization of a simplified control mechanism with self-locking incorporated and abrupt operation.
  • the control mechanism according to the invention is characterized in that said first and second control devices cooperate with a spring imposing abrupt maneuvers of said main shaft and that said toggle levers transmit to the main shaft an increasing torque from said central position towards the closed positions of the switch and the earthing to come in these latter positions to the neutral position of stable locking of the main shaft.
  • the mechanism can control a three-pole switch of the type described in patent EP No. 270,389, in which the main shaft carries three contact bridges which cooperate with fixed contacts distributed over the periphery of the switch enclosure.
  • the central position of the main shaft corresponds to the opening of the switch which can be closed by a rotation of this main shaft in a predetermined direction. Reverse rotation of the main shaft from the switch open position corresponds to grounding, in a manner well known to specialists.
  • the closing and opening operation of the switch is controlled by an alternating rotation of the first control shaft, in particular by a control lever, while the closing and opening operation of the setting device to the earth is controlled by the second shaft, in particular by means of a control lever.
  • the rotation of the control shaft causes the spring to be cocked, which suddenly moves the main shaft as soon as it crosses neutral to carry out an abrupt maneuver.
  • Each control shaft carries a plate with an eccentric crank pin and the spring is interposed between the two crank pins to selectively drive the plate as soon as it crosses neutral.
  • the connection between the control shaft and the plate includes a light to allow a dead uncoupling stroke of the plate from the control shaft during the sudden movement phase generated by the relaxation of the spring.
  • the main shaft carries a crank, the end of which is connected by two connecting rods to sectors mounted coaxially in rotation on the two control shafts. Each sector cooperates with the associated plate by a dead-stroke link allowing positive drive of the sector by the plate during the rebound stroke of the spring.
  • the rod or articulated lever constitutes with the associated sector a toggle joint whose levers are substantially perpendicular in the open position of the switch, these levers coming in neutral position in the closed position ensuring positive locking of the main shaft. .
  • the rotation of the sector in the closing direction is limited by a stop.
  • the crank constitutes with each connecting rod a toggle joint, the assembly being arranged in such a way that in the closed position, for example of the switch, any action exerted on the earthing control shaft tends to accentuate the closing of the switch and vice versa.
  • each plate In the open position of the switch, each plate cooperates with a stop for limiting the rotation under the action of the spring.
  • the plates carry control cams for locking levers arranged to lock the main shaft in the open position during the arming phase of the spring.
  • the mechanism includes an additional security constituted by an interlocking beam preventing the operation of the earthing when the switch is closed and vice versa. This interlocking flail cooperates with the control shafts for example by preventing the positioning of the operating lever.
  • the mechanism can be motorized by coupling to the control shaft of the switch a motor with alternating direction of rotation, this motorization being favored by dead strokes allowing a gradual stop of the motor after the arming phase of the spring.
  • a main shaft 10 is rotatably mounted between two flanges 11, 12 secured by spacers 13.
  • the main shaft 10 can be coupled or constitute the contact-carrying shaft of a three-position switch, for example of the type described in European Patent No. 270,389.
  • the main shaft 10 can occupy three distinct stable positions, in this case a central position C1 corresponding to the open position and on either side a position C2 for closing the switch and a position C3 for earthing .
  • Positions C2 and C3 are symmetrical to C1 with an angular deviation of 60 ° but other values can be used.
  • the main shaft 10 is mechanically connected on the one hand to a control device 14 for closing and opening the switch and on the other hand to a control device 15 for closing and opening the setting Earth.
  • the control device 14 of the switch comprises a control shaft 16 on which are rotatably mounted a driver 17, a pair of plates 18 and a sector 19.
  • the earthing control device 15 comprises a control shaft 20 on which are rotatably mounted a driver 21, a pair of plates 22 and a sector 23.
  • An eccentric crank pin 24 is interposed and secured to the pair of plates 18 controlling the switch while a eccentric pin 25 is interposed and secured to the pair of plates 22 of the earthing control.
  • the driver 17 of the switch control device carries at its free end a coupler 28 of an operating lever (not shown) and at its end adjacent to the plate 18 two drive fingers 29.30 which frame with play an axis 31 carried by the pair of plates 18.
  • the opposite end of the axis 31 is engaged in a circular lumen 62 formed in the sector 19.
  • the sector 19 is mechanically connected to a crank 32, keyed onto the main shaft 10, by a lever 33 articulated to the crank 32 by a toggle 34 and articulated to the sector 19 by a toggle 35. It is easy to see that a rotation of the trainer 17 causes the displacement with play of the axis 31 and associated plates 18 as well as a rotation of the sector 19 transmitted by the articulated lever 33 to the crank 32 and to the main shaft 10.
  • the driver 21 of the earthing device 15 carries at its free end a coupler 36 of an operating lever (not shown).
  • the opposite end of the driver 21 carries two stops 37,38 framing with play an axis 39 carried by the pair of plates 22.
  • the opposite end of the shaft 39 is interposed with play between two abutment surfaces 40,41 carried by the sector 23.
  • the sector 23 is mechanically connected to the crank 32 by an articulated lever 42 of which one of the ends is connected to the toggle 34 of the crank 32 and of which the other end is articulated to the toggle 43 of the sector 23.
  • the rotation of the driver 21 causes the displacement of the axis 39 with the plates 22 and that of the sector 23 whose rotation is transmitted by the lever 42 to the crank 32 and to the main shaft 10.
  • the spring 27 biases the pair of plates 18 anticlockwise in support of a fixed stop 44.
  • the line of action of the spring 27 is substantially perpendicular to the radius of the plate 18 passing through the crank pin 24.
  • the spring 27 similarly urges the pair of plates 22 of the earthing device in an anti-clockwise direction keeping the axis 39 in abutment against a fixed stop 45.
  • the axis 31 at the bottom of light 62 prevents any rotation of the sector 19 in a clockwise direction and therefore any rotation of the crank 32 and of the main shaft anticlockwise.
  • the sector 23 in abutment against the axis 39 is prevented from turning in the clockwise direction and thereby hinders any rotation of the crank 32 and of the main shaft 10 in the clockwise direction .
  • the finger 30 of the coach 17 cooperates with a fixed stop 46 while the rotation of the coach 21 is limited by a lug 47 cooperating with two fixed stops 48, 49.
  • the crank pin 24 of the crank 32 cooperates with a locking device constituted by a first lever 50 pivoting on a fixed axis 51, one of the ends of which carries a roller 52 cooperating with the external surface of the plate 18 arranged in cam 53 and of which the opposite end carries an abutment surface 54 preventing rotation of the crank 32 anti-clockwise.
  • the crank pin 24 cooperates with a second locking lever 55 pivoting on a fixed axis 56 and one of the ends of the second lever 55 carries a roller 57 engaged by the external surface of the plate 22 arranged in cam 58.
  • the opposite end of the lever 55 carries an abutment surface 59 preventing, in the locked position, rotation in the clockwise direction of the crank 32.
  • the operating lever is coupled to the driver 17 of the control shaft 16 of the switch.
  • a rotation of the operating lever and the driver 17 clockwise causes the axis to move 31 and a clockwise rotation of the pair of plates 18 causing compression of the spring 27 during the arming phase of the latter shown in FIG. 3.
  • the axis 31 moves in the light 62 without moving the sector 19, the crank 32 remaining in the central position while being locked by the abutment surfaces 54, 59 framing the crank pin 24 in the position C1.
  • the levers articulated by the toggle joint 35 in this case the radius of the sector 19 passing through the toggle joint 35 and the articulated lever 33, pass from a position almost perpendicular to an alignment position shown in the figure. 4.
  • the pivoting of the sector 19 is further limited by a stop 60.
  • the torque transmitted to the crank 32 increases with the pivoting towards the closed position of the switch.
  • the articulated lever 42 of the earthing device pivots slightly and transmits to the associated sector 23 a limited displacement due to the relative positions of the sector 23 and of the articulated lever 42. This limited displacement is compensated by the play between the abutment surfaces 40, 41 and the axis 39.
  • the earthing device 15 is not otherwise affected by the closing operation of the switch.
  • a rotation of the driver 21 anti-clockwise causes the axis 39 to be driven by the abutment surface 37 and an arming of the spring 27 by rotation anti-clockwise of the pair of plates 22.
  • the spring 27 abruptly rotates the pair of plates 22 and the sector 23 anticlockwise returning the crank 32 to its open position.
  • the locking device returns to the original frame position of the crankpin 34, avoiding any rebounding in the manner indicated above.
  • the stops 46,48,49 limit the movements of the coaches 17,21 in order to avoid any false maneuvers.
  • the opening and closing control of the switch can be automated by coupling to the driver 17 an electric motor, for example capable of moving in rotation in one direction or the other the driver 17. It is easy to see than the action of the motor stops at the end of the arming phase of the spring 27 during the closing stroke shown in FIG. 3 and that after interruption of the supply of the motor at this time, the latter can continue by inertia its rotation without catching the axis 31 suddenly moved by the spring 27. In the same way during an opening stroke the motor turns in the opposite direction and brings the spring 27 into the armed position before being stopped by interrupting the power supply while continuing its inertial movement without hampering the opening movement.
  • an electric motor for example capable of moving in rotation in one direction or the other the driver 17. It is easy to see than the action of the motor stops at the end of the arming phase of the spring 27 during the closing stroke shown in FIG. 3 and that after interruption of the supply of the motor at this time, the latter can continue by inertia its rotation without catching the axis 31 suddenly moved by the spring 27
  • the invention is of course in no way limited to the particularly described embodiment, but it extends to any variant embodiment, in particular to that in which the abutment surfaces 40, 41 are replaced by a light analogous to light 62 Conversely, the light could be replaced by abutment surfaces and the control shaft could be secured to the driver or to one of the other parts mounted to rotate on this shaft.

Landscapes

  • Mechanisms For Operating Contacts (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Lock And Its Accessories (AREA)
EP91420083A 1990-03-22 1991-03-07 Antrieb für einen Dreistellungsschalter Expired - Lifetime EP0448481B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9003794 1990-03-22
FR9003794A FR2660109B1 (fr) 1990-03-23 1990-03-23 Mecanisme de commande d'un interrupteur a trois positions.

Publications (2)

Publication Number Publication Date
EP0448481A1 true EP0448481A1 (de) 1991-09-25
EP0448481B1 EP0448481B1 (de) 1995-08-30

Family

ID=9395087

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91420083A Expired - Lifetime EP0448481B1 (de) 1990-03-22 1991-03-07 Antrieb für einen Dreistellungsschalter

Country Status (11)

Country Link
US (1) US5148913A (de)
EP (1) EP0448481B1 (de)
JP (1) JP3219782B2 (de)
BR (1) BR9101105A (de)
CA (1) CA2038078C (de)
DE (1) DE69112461T2 (de)
ES (1) ES2079610T3 (de)
FR (1) FR2660109B1 (de)
ID (1) ID855B (de)
MX (1) MX167070B (de)
ZA (1) ZA912118B (de)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2696866A1 (fr) * 1992-10-13 1994-04-15 Merlin Gerin Mécanisme d'actionnement d'un interrupteur à trois positions.
FR2768552A1 (fr) * 1997-09-16 1999-03-19 Schneider Electric Sa Mecanisme de commande d'un interrupteur ou disjoncteur a trois positions
EP0955649A2 (de) * 1998-05-07 1999-11-10 Eaton Corporation Appareil de commutation électrique avec méchanisme de commande modulair pour monter et cotroller un grand ressort de compression de fermeture
FR2877487A1 (fr) * 2004-11-04 2006-05-05 Areva T & D Sa Dispositif de commande mecanique pour un commutateur a trois positions et un point mort
EP1901323A1 (de) * 2006-09-14 2008-03-19 Areva T&D SA Mechanismus eines Erdungstrennschalters
WO2012059811A1 (en) * 2010-11-04 2012-05-10 Larsen & Toubro Limited An improved mechanical interlock, dual toggling and three position mechanism of an electrical load break switch
CN102881487A (zh) * 2012-09-21 2013-01-16 北京双杰电气股份有限公司 固体绝缘开关柜用联锁装置
CN103337405A (zh) * 2013-06-04 2013-10-02 胡光福 具有重合闸和接地关合功能的三工位机构及其操动方法
CN104134554A (zh) * 2014-06-18 2014-11-05 江苏大全长江电器股份有限公司 环网柜操作机构
CN105788941A (zh) * 2016-05-12 2016-07-20 泰兴市盛源电器有限公司 一种负荷开关操作机构
CN105826097A (zh) * 2016-05-12 2016-08-03 泰兴市盛源电器有限公司 一种负荷开关卡合闸操作机构
CN106449232A (zh) * 2016-10-13 2017-02-22 沈阳斯沃电器有限公司 自动转换开关机械互锁机构
CN107026048A (zh) * 2016-02-02 2017-08-08 西门子公司 并联开关
WO2020200951A1 (de) * 2019-03-29 2020-10-08 Siemens Aktiengesellschaft Federsystem für ein antriebssystem mit kupplung, federsystem mit kupplung, antriebssystem mit kupplung und federsystem und schaltanlage mit einem solchen antriebssystem

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US5280258A (en) * 1992-05-22 1994-01-18 Siemens Energy & Automation, Inc. Spring-powered operator for a power circuit breaker
EP0586733B1 (de) * 1992-09-10 1996-08-21 GEC Alsthom T&D AG Sprungantrieb für elektrische Schalter
US5489755A (en) * 1994-03-18 1996-02-06 General Electric Company Handle operator assembly for high ampere-rated circuit breaker
FR2770680B1 (fr) * 1997-11-06 1999-12-03 Schneider Electric Sa Mecanisme de commande a bielles pour un interrupteur a trois positions
DE19904179A1 (de) * 1999-02-03 2000-08-10 Abb Patent Gmbh Federspeicherantrieb für ein elektrisches Schaltgerät
US6423917B2 (en) * 2000-03-17 2002-07-23 General Electric Company Self-disengaging circuit breaker motor operator
US6940032B2 (en) * 2004-01-12 2005-09-06 General Electric Company Method and apparatus for achieving three positions
JP4385914B2 (ja) * 2004-10-06 2009-12-16 三菱電機株式会社 三位置開閉器用操作装置
US7115830B1 (en) * 2005-06-08 2006-10-03 Eaton Corporation Redundant pivot trip latch
JP4973357B2 (ja) * 2007-07-19 2012-07-11 三菱電機株式会社 三位置開閉器用操作装置
CN102136378B (zh) * 2010-11-09 2013-06-19 广东省顺德开关厂有限公司 一种简易式金属封闭开关设备的操作机构
CN102254714B (zh) * 2011-06-23 2014-03-12 苏州朗格电气有限公司 一种直动式三工位隔离开关的操作机构
CN102306911B (zh) * 2011-08-18 2014-09-24 伊顿电力设备有限公司 高压开关设备紧急分合闸操作机构
FR2984005B1 (fr) * 2011-12-08 2014-08-01 Schneider Electric Ind Sas Dispositif de commande des poles dans un appareil de commande electrique moyenne tension
KR101308754B1 (ko) * 2012-03-05 2013-09-12 엘에스산전 주식회사 3-포지션 부하개폐기
CN103035424A (zh) * 2012-12-14 2013-04-10 北海银河开关设备有限公司 三工位开关操动机构
CN103178450B (zh) * 2013-03-01 2015-10-07 无锡飞世龙机电有限公司 一种环网柜接地机构
CN103730283B (zh) * 2013-12-31 2015-10-28 浙江华仪电器科技有限公司 一种三工位开关用操动机构
CN104851666A (zh) * 2014-02-14 2015-08-19 西门子公司 切换装置组的联动组件及其切换装置组
CN103956277B (zh) * 2014-04-08 2015-10-28 温州兴机电器有限公司 负荷开关熔断器组合电器操作机构
CN104409247B (zh) * 2014-11-27 2016-05-18 无锡飞世龙机电有限公司 一种双向操作机构
CN104465153B (zh) * 2014-12-23 2017-10-27 贵州泰永长征技术股份有限公司 一种双断点万能式断路器的新型操作机构
CN104576118B (zh) * 2015-01-15 2017-05-24 博耳(宜兴)电力成套有限公司 三工位开关切换联锁装置
CN104658805B (zh) * 2015-02-04 2016-10-05 宁波舜利高压开关科技有限公司 双操作轴慢速旋转式三工位机构
FR3045930B1 (fr) * 2015-12-18 2017-12-22 Schneider Electric Ind Sa Dispositif de guidage d'un ressort dans un mecanisme de commande et appareil de protection electrique le comportant.
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CN106451182B (zh) * 2016-11-04 2018-04-06 西安固之电气科技有限公司 手车式开关柜
CN108695081B (zh) * 2017-04-06 2022-07-12 伊顿电力设备有限公司 三工位分合闸操作装置及三工位分合闸装置
CN112002591B (zh) * 2020-08-17 2022-08-26 赫兹曼电力（广东）有限公司 三工位操动机构
CN112002590B (zh) * 2020-08-17 2022-10-28 赫兹曼电力（广东）有限公司 蓄能驱动装置及应用其的三工位操动机构

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US3959615A (en) * 1975-01-10 1976-05-25 Allen-Bradley Company Trip mechanism for disconnect switch
EP0058585A1 (de) * 1981-02-13 1982-08-25 Merlin Gerin Antriebsmechanismus für elektrische Schaltgeräte mit drei getrennten Stellungen
FR2606209A1 (fr) * 1986-11-03 1988-05-06 Merlin Gerin Interrupteur rotatif multipolaire a isolement gazeux
EP0286474A1 (de) * 1987-03-27 1988-10-12 Merlin Gerin Antrieb für einen Dreistellungsschalter

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US3959615A (en) * 1975-01-10 1976-05-25 Allen-Bradley Company Trip mechanism for disconnect switch
EP0058585A1 (de) * 1981-02-13 1982-08-25 Merlin Gerin Antriebsmechanismus für elektrische Schaltgeräte mit drei getrennten Stellungen
FR2606209A1 (fr) * 1986-11-03 1988-05-06 Merlin Gerin Interrupteur rotatif multipolaire a isolement gazeux
EP0286474A1 (de) * 1987-03-27 1988-10-12 Merlin Gerin Antrieb für einen Dreistellungsschalter

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2696866A1 (fr) * 1992-10-13 1994-04-15 Merlin Gerin Mécanisme d'actionnement d'un interrupteur à trois positions.
EP0593371A1 (de) * 1992-10-13 1994-04-20 Schneider Electric Sa Antrieb für einen Dreistellungsschalter
TR27299A (tr) * 1992-10-13 1994-12-29 Merlin Gerin Uc konumlu bir elektrik anahtarini calistirma mekanizmasi.
US5438176A (en) * 1992-10-13 1995-08-01 Merlin Gerin Three-position switch actuating mechanism
FR2768552A1 (fr) * 1997-09-16 1999-03-19 Schneider Electric Sa Mecanisme de commande d'un interrupteur ou disjoncteur a trois positions
EP0908908A1 (de) * 1997-09-16 1999-04-14 Schneider Electric Sa Antrieb für einen Dreistellungsschalter oder Dreistellungslastschalter
EP0955649A2 (de) * 1998-05-07 1999-11-10 Eaton Corporation Appareil de commutation électrique avec méchanisme de commande modulair pour monter et cotroller un grand ressort de compression de fermeture
EP0955649A3 (de) * 1998-05-07 2000-06-28 Eaton Corporation Appareil de commutation électrique avec méchanisme de commande modulair pour monter et cotroller un grand ressort de compression de fermeture
FR2877487A1 (fr) * 2004-11-04 2006-05-05 Areva T & D Sa Dispositif de commande mecanique pour un commutateur a trois positions et un point mort
WO2006048583A2 (fr) * 2004-11-04 2006-05-11 Areva T & D Sa Dispositif de commande mecanique pour un commutateur a trois positions et un point mort
WO2006048583A3 (fr) * 2004-11-04 2006-08-31 Areva T & D Sa Dispositif de commande mecanique pour un commutateur a trois positions et un point mort
CN101145466B (zh) * 2006-09-14 2012-07-18 阿雷瓦T&D股份公司 接地开关转换机构
EP1901323A1 (de) * 2006-09-14 2008-03-19 Areva T&D SA Mechanismus eines Erdungstrennschalters
FR2906074A1 (fr) * 2006-09-14 2008-03-21 Areva T & D Sa Mecanisme d'interrupteur sectionneur de terre
WO2012059811A1 (en) * 2010-11-04 2012-05-10 Larsen & Toubro Limited An improved mechanical interlock, dual toggling and three position mechanism of an electrical load break switch
CN102881487A (zh) * 2012-09-21 2013-01-16 北京双杰电气股份有限公司 固体绝缘开关柜用联锁装置
CN102881487B (zh) * 2012-09-21 2015-03-25 北京双杰电气股份有限公司 固体绝缘开关柜用联锁装置
CN103337405A (zh) * 2013-06-04 2013-10-02 胡光福 具有重合闸和接地关合功能的三工位机构及其操动方法
CN103337405B (zh) * 2013-06-04 2015-06-24 宁波舜利高压开关科技有限公司 具有重合闸和接地关合功能的三工位机构及其操动方法
CN104134554A (zh) * 2014-06-18 2014-11-05 江苏大全长江电器股份有限公司 环网柜操作机构
CN107026048A (zh) * 2016-02-02 2017-08-08 西门子公司 并联开关
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CA2038078A1 (en) 1991-09-23
FR2660109A1 (fr) 1991-09-27
JPH04249820A (ja) 1992-09-04
BR9101105A (pt) 1991-11-05
US5148913A (en) 1992-09-22
DE69112461T2 (de) 1996-04-18
ES2079610T3 (es) 1996-01-16
EP0448481B1 (de) 1995-08-30
DE69112461D1 (de) 1995-10-05
ID855B (id) 1996-08-02
MX167070B (es) 1993-03-01
ZA912118B (en) 1991-11-27
FR2660109B1 (fr) 1992-06-05
JP3219782B2 (ja) 2001-10-15
CA2038078C (en) 2001-12-04

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