EP0599742A1 - Öffnungs- und Schliessmechanismus für einen elektrischen Mittel- oder Hochspannungsschalter - Google Patents

Öffnungs- und Schliessmechanismus für einen elektrischen Mittel- oder Hochspannungsschalter Download PDF

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Publication number
EP0599742A1
EP0599742A1 EP93420453A EP93420453A EP0599742A1 EP 0599742 A1 EP0599742 A1 EP 0599742A1 EP 93420453 A EP93420453 A EP 93420453A EP 93420453 A EP93420453 A EP 93420453A EP 0599742 A1 EP0599742 A1 EP 0599742A1
Authority
EP
European Patent Office
Prior art keywords
auxiliary
contact
main
contacts
circuit
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
EP93420453A
Other languages
English (en)
French (fr)
Other versions
EP0599742B1 (de
Inventor
Roger Bolongeat-Mobleu
Peter Malkin
Olivier Cardoletti
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 EP0599742A1 publication Critical patent/EP0599742A1/de
Application granted granted Critical
Publication of EP0599742B1 publication Critical patent/EP0599742B1/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
    • 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
    • H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
    • 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
    • H01H2033/6667—Details concerning lever type driving rod 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
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
    • H01H33/121—Load break switches
    • H01H33/122—Load break switches both breaker and sectionaliser being enclosed, e.g. in SF6-filled container
    • 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
    • H01H33/6661—Combination with other type of switch, e.g. for load break switches

Definitions

  • the invention relates to a medium or high voltage electrical switch or circuit breaker.
  • the invention aims to remedy this drawback.
  • the drive mechanism includes a variable angular phase shift mechanism capable of varying the relative angular positions of the movable auxiliary contact and the movable main contact during the operations of the switch.
  • the angular phase shift mechanism is adapted to authorize two pseudo-stable relative angular positions, a first angular position finally activated for the opening stroke of the switch and for which, during the following closing maneuver , the closing of the auxiliary contacts precedes the closing of the main contacts, and a second angular position activated at the end of the switch closing stroke and for which, during the next opening operation, the opening of the main contacts performs substantially at the same time as the opening of the auxiliary contacts.
  • the movable auxiliary contact is disposed between two plates articulated around said axis, integral in rotation with said movable main contact and biased towards one another by means of springs; a two position ball locking mechanism is interposed between said plates and the movable auxiliary contact, the first angular position being activated by means of a first stop, and the second angular position being activated by means of a second stop formed by the mobile auxiliary contact.
  • the angular phase shift mechanism is adapted to allow continuous variations of the angular phase shift during the operations of the switch, so that during a closing operation, the closing of the auxiliary contacts precedes the closing of the main contacts and that during an opening operation, the main contact opening precedes the opening of the auxiliary contacts.
  • the angular phase shift mechanism comprises two connecting rod-crank mechanisms simultaneously driven by a common drive shaft, a first connecting rod-crank mechanism associated with the movable main contact and a second connecting rod-crank mechanism associated with the movable auxiliary contact.
  • the switch according to the first or second embodiment further comprises a second auxiliary circuit, for example a vacuum interrupter, arranged in parallel with said main circuit and said auxiliary circuit, and provided with arcing contacts.
  • a second auxiliary circuit for example a vacuum interrupter, arranged in parallel with said main circuit and said auxiliary circuit, and provided with arcing contacts.
  • the invention applies in particular to switches and circuit breakers in which the main circuit and the auxiliary circuit are immersed in an insulating gas with high dielectric strength, such as sulfur hexafluoride (SF6), the second auxiliary circuit consisting of a bulb vacuum which also bathes in the insulating gas.
  • an insulating gas with high dielectric strength such as sulfur hexafluoride (SF6)
  • SF6 sulfur hexafluoride
  • the second auxiliary circuit consisting of a bulb vacuum which also bathes in the insulating gas.
  • the sealed or non-sealed enclosure 4 of the switch is filled with air or with a dielectric gas such as sulfur hexafluoride (SF6) and comprises a current arrival range 1 and a current departure range 2.
  • the arrival range 1 is divided into three conductive branches 1a, 1b and 1c.
  • the two branches 1a and 1b respectively carry at their end two fixed main contacts 30a and 30b, while the branch 1c carries at its end a fixed auxiliary contact 35.
  • the fixed main contacts 30a and 30b are capable of cooperating with mobile main contacts 20a and 20b pivotally mounted about an axis 3; the fixed auxiliary contact 35 cooperates with a mobile auxiliary contact 25, also pivotally mounted around the axis 3.
  • the axis 3 is carried by two fixed conducting branches 2a and 2b which meet at the level of the starting area 2.
  • the movable auxiliary contact 25 is electrically connected to the branches 2a and 2b, therefore at the start 2, by means of an electrical connection 4.
  • the auxiliary circuit formed by the auxiliary contacts 25, 35 is therefore arranged in parallel with respect to the main circuit formed by the main contacts 20a, 20b, 30a and 30b.
  • a ball 26 housed in a bore made in the movable auxiliary contact 25 is held in one or the other pair of housings 26a or 26b.
  • the assembly formed by the movable auxiliary contact 25, the two plates 28a and 28b, the housings 26a and 26b, the spring 27 and the ball 26, constitute a ball locking mechanism with two pseudo-stable positions, which makes it possible to introduce variations of the relative angular positions between on the one hand the movable main contacts 20a, 20b and on the other hand the movable auxiliary contact 25.
  • a third electrical circuit comprising a vacuum bulb 15 known per se, connected on the one hand to the track 1 by the electrical connection 16, and on the other hand to the track 2 by the electrical connection 19, is arranged in parallel with respect to the main and auxiliary circuits.
  • the movable rod 14 of the vacuum interrupter 15 is connected by a connecting rod 11 equipped with a spring 12 to the crank 9.
  • the spoiler 25a In the open position of the switch ( Figure 3), the spoiler 25a is in abutment on a fixed stop 5 and the ball 26 is positioned in the housings 26a of the two plates 28a and 28b. In other words, the mobile auxiliary contact 25 is ahead of the main mobile contacts 20a and 20b.
  • crank 9 is rotated about the axis 10.
  • the crank 9 drives the connecting rod 7, the drive rod 6 and by the same two main contacts mobile 20a and 20b and the two plates 28a and 28b.
  • the latter in turn drive, through the ball locking mechanism, the movable auxiliary contact 25.
  • the movable auxiliary contact 25 comes into contact with the fixed auxiliary contact 15, the main contacts being always open.
  • the ball locking mechanism activated at the end of the closing stroke has made it possible to modify the angular phase shift between the movable main contacts 20a and 20b, and the movable auxiliary contact 25a.
  • This phase shift has in fact become very small, so that during the next opening of the switch ( Figure 6), the opening of the main and auxiliary contacts will take place at approximately the same time.
  • the opening of the main contacts will slightly precede the opening of the auxiliary contact.
  • the switch is equipped with the third electrical circuit comprising the vacuum bulb 15, the drive of the crank 9 simultaneously controls the opening and closing of the vacuum bulb 15.
  • the crank 9 and the connecting rod 11 forms a toggle mechanism, so that the closure of the contacts 15a and 15b of the bulb 15 is done only during the opening and closing operations of the switch ( Figures 4 and 6). In stable open or closed positions, the contacts 15a and 15b of the vacuum interrupter 15 remain open ( Figures 3 and 5).
  • FIG. 7 gives by way of illustration an opening and closing diagram of the three electrical circuits (main, auxiliary, vacuum interrupter) as a function of time.
  • the three circuits are naturally open.
  • the closing maneuver we first witness the closing of the auxiliary circuit, then the closing of the vacuum interrupter, then only the closing of the main circuit, and finally, at the end of the crank stroke 9 , when the vacuum interrupter is reopened.
  • the auxiliary contacts can be made of an arc-resistant material, and with possible compensation against their wear.
  • the preferred embodiment described above is particularly well suited to a medium voltage or very high voltage switch, in which the sealed enclosure 1 is filled with a dielectric gas such as SF6; the vacuum interrupter 15 will then bathe in this dielectric gas as it has already been proposed in French patent FR-A-2,655,766.
  • a dielectric gas such as SF6
  • Figures 8 to 12 illustrate a second embodiment of the invention; their reference numbers are identical to those of the first embodiment for the elements common to the two embodiments.
  • the enclosure 4 the arrival and departure ranges 2, the fixed main contact 30a, the fixed auxiliary contact 35, the mobile main contact 20a and the mobile auxiliary contact 25, these two latter being pivotally mounted around of axis 3.
  • the auxiliary circuit is arranged in parallel with respect to the main circuit.
  • the drive rod 6 passes through the movable main contact 20a and is connected to the crank 9 by means of a connecting rod 7 articulated on the axis 8.
  • a second drive rod 6a passes through the movable auxiliary contact 25 and is connected to the crank 9 by means of a second connecting rod 7a articulated on the axis 8a.
  • the two rod-crank systems 7 and 7a being distinct and different, it becomes possible to introduce a continuous variation of the angular phase shift between the movable main contact 20a and the movable auxiliary contact 25 during the rotation of the crank 9.
  • the movable main contact 20a is substantially in phase with the movable auxiliary contact 25.
  • the movable auxiliary contact 25 is respectively early or late by relative to the mobile main contact 20a. Consequently the opening (O) and closing (F) cycles of the switch shown in FIG. 12 are symmetrical.
  • Figure 11 shows the switch in the closed position.
  • a third electrical circuit comprising a vacuum interrupter 15 is arranged in parallel with respect to the main and auxiliary circuits.
  • the opening and closing diagram ( Figure 12) remains perfectly symmetrical.
  • the vacuum bulb circuit will close first, followed by the closing of the auxiliary circuit, then the main circuit, and finally the bulb will open again.
  • the bulb circuit will close first, followed by the opening of the main circuit, then the auxiliary circuit, and finally the bulb will open again.

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
EP19930420453 1992-11-26 1993-11-16 Öffnungs- und Schliessmechanismus für einen elektrischen Mittel- oder Hochspannungsschalter Expired - Lifetime EP0599742B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9214356 1992-11-26
FR9214356 1992-11-26

Publications (2)

Publication Number Publication Date
EP0599742A1 true EP0599742A1 (de) 1994-06-01
EP0599742B1 EP0599742B1 (de) 1999-01-20

Family

ID=9436018

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19930420453 Expired - Lifetime EP0599742B1 (de) 1992-11-26 1993-11-16 Öffnungs- und Schliessmechanismus für einen elektrischen Mittel- oder Hochspannungsschalter

Country Status (6)

Country Link
EP (1) EP0599742B1 (de)
JP (1) JPH06236717A (de)
CN (1) CN1034304C (de)
CA (1) CA2109986A1 (de)
DE (1) DE69323160T2 (de)
ES (1) ES2130239T3 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0800191A2 (de) * 1996-04-04 1997-10-08 Asea Brown Boveri Ag Leistungsschalter
CN102403160A (zh) * 2011-11-29 2012-04-04 浙江开关厂有限公司 快速三工位隔离开关
CN101645368B (zh) * 2009-09-02 2012-08-15 北京双杰电气股份有限公司 一种单独带有灭弧装置的电开关
EP2565897A1 (de) * 2011-08-29 2013-03-06 Hitachi Ltd. Schaltanlage und Betriebverfahren der Schaltanlage
CN102983038A (zh) * 2012-11-28 2013-03-20 西安爱尔发开关有限公司 一种带有o字型电动力补偿装置的高压真空断路器
FR2980632A1 (fr) * 2011-09-23 2013-03-29 Schneider Electric Ind Sas Dispositif de coupure avec enceinte de gaz fluore, sectionneur et ampoule a vide

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10229096A1 (de) * 2002-06-25 2004-01-29 Siemens Ag Verschleißanzeige für eine Vakuumschaltröhre
KR101064743B1 (ko) * 2005-11-23 2011-09-15 현대중공업 주식회사 가스절연 차단기의 스위칭 메카니즘
DE102008048828A1 (de) * 2008-09-22 2010-04-08 Siemens Aktiengesellschaft Verfahren zum Ermitteln und/oder zum Einstellen eines Hubes von Betätigungselementen
CN101494133B (zh) * 2009-02-25 2011-08-24 谢翠斌 高压真空永磁断路器手动合闸、分闸及其锁扣保护装置
CN101964271B (zh) * 2010-09-28 2012-08-15 丹东供电设备厂 高压切换转移电流装置
FR2980633B1 (fr) * 2011-09-27 2013-09-06 Schneider Electric Ind Sas Appareillage de distribution electrique moyenne tension
CN103983448B (zh) * 2014-05-27 2017-10-31 江苏森源电气股份有限公司 机械特性在线检测装置
CN105845494B (zh) * 2015-01-15 2019-05-10 施耐德电器工业公司 分流断路系统
CN107086146B (zh) * 2017-05-24 2019-10-18 句容市福润电气有限公司 一种闸合稳定的户内高压接地开关装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215803A (en) * 1962-12-31 1965-11-02 Allis Chalmers Mfg Co Contact structure for circuit breaker
FR2494493A1 (fr) * 1980-11-17 1982-05-21 Merlin Gerin Disjoncteur electrique a autosoufflage par rotation de l'arc
FR2508229A1 (fr) * 1981-06-23 1982-12-24 Jaeger Commutateur rotatif a rotation bidirectionnelle
FR2655766A1 (fr) * 1989-12-11 1991-06-14 Merlin Gerin Disjoncteur hybride moyenne tension.
US5160817A (en) * 1990-11-21 1992-11-03 Automatic Switch Company Electrical switch contact arrangement having quick break arcing contacts

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215803A (en) * 1962-12-31 1965-11-02 Allis Chalmers Mfg Co Contact structure for circuit breaker
FR2494493A1 (fr) * 1980-11-17 1982-05-21 Merlin Gerin Disjoncteur electrique a autosoufflage par rotation de l'arc
EP0053524A1 (de) * 1980-11-17 1982-06-09 Merlin Gerin Elektrischer Schalter mit Selbstblasung durch Lichtbogenrotation
FR2508229A1 (fr) * 1981-06-23 1982-12-24 Jaeger Commutateur rotatif a rotation bidirectionnelle
FR2655766A1 (fr) * 1989-12-11 1991-06-14 Merlin Gerin Disjoncteur hybride moyenne tension.
EP0433184A1 (de) * 1989-12-11 1991-06-19 Merlin Gerin Hybrid-Mittelspannungsschalter
US5160817A (en) * 1990-11-21 1992-11-03 Automatic Switch Company Electrical switch contact arrangement having quick break arcing contacts

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0800191A2 (de) * 1996-04-04 1997-10-08 Asea Brown Boveri Ag Leistungsschalter
EP0800191A3 (de) * 1996-04-04 2000-10-18 ABB Hochspannungstechnik AG Leistungsschalter
EP1359597A2 (de) * 1996-04-04 2003-11-05 ABB Schweiz AG Leistungsschalter
EP1359597A3 (de) * 1996-04-04 2004-01-28 ABB Schweiz AG Leistungsschalter
CN101645368B (zh) * 2009-09-02 2012-08-15 北京双杰电气股份有限公司 一种单独带有灭弧装置的电开关
EP2565897A1 (de) * 2011-08-29 2013-03-06 Hitachi Ltd. Schaltanlage und Betriebverfahren der Schaltanlage
FR2980632A1 (fr) * 2011-09-23 2013-03-29 Schneider Electric Ind Sas Dispositif de coupure avec enceinte de gaz fluore, sectionneur et ampoule a vide
CN102403160A (zh) * 2011-11-29 2012-04-04 浙江开关厂有限公司 快速三工位隔离开关
CN102403160B (zh) * 2011-11-29 2014-03-12 浙江开关厂有限公司 快速三工位隔离开关
CN102983038A (zh) * 2012-11-28 2013-03-20 西安爱尔发开关有限公司 一种带有o字型电动力补偿装置的高压真空断路器

Also Published As

Publication number Publication date
JPH06236717A (ja) 1994-08-23
DE69323160D1 (de) 1999-03-04
DE69323160T2 (de) 1999-09-02
EP0599742B1 (de) 1999-01-20
ES2130239T3 (es) 1999-07-01
CA2109986A1 (en) 1994-05-27
CN1089389A (zh) 1994-07-13
CN1034304C (zh) 1997-03-19

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