EP2545573A1 - Hybridschutzschalter mit schalter mit rückkehr nach der schliessung - Google Patents

Hybridschutzschalter mit schalter mit rückkehr nach der schliessung

Info

Publication number
EP2545573A1
EP2545573A1 EP11706837A EP11706837A EP2545573A1 EP 2545573 A1 EP2545573 A1 EP 2545573A1 EP 11706837 A EP11706837 A EP 11706837A EP 11706837 A EP11706837 A EP 11706837A EP 2545573 A1 EP2545573 A1 EP 2545573A1
Authority
EP
European Patent Office
Prior art keywords
control rod
rod
movable contact
switch
hybrid 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
EP11706837A
Other languages
English (en)
French (fr)
Other versions
EP2545573B1 (de
Inventor
Henry Ardyna
Gwénaël MARQUEZIN
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.)
General Electric Technology GmbH
Original Assignee
Alstom 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 Alstom Technology AG filed Critical Alstom Technology AG
Publication of EP2545573A1 publication Critical patent/EP2545573A1/de
Application granted granted Critical
Publication of EP2545573B1 publication Critical patent/EP2545573B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H01H33/6661—Combination with other type of switch, e.g. for load break switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/003—Earthing switches
    • 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
    • H01H33/125—Load break switches comprising a separate circuit breaker
    • H01H33/126—Load break switches comprising a separate circuit breaker being operated by the distal end of a sectionalising contact arm

Definitions

  • the invention relates to the field of high and medium voltage hybrid circuit breakers using a breaking chamber and a vacuum interrupter whose movable contacts are actuated by a single command. It relates in particular to a mechanical control that allows simultaneous opening of the interrupting chamber and the vacuum ampoule followed by a closure of the advance vacuum bulb with respect to the restarting of the interrupting chamber.
  • patent EP 1 653 491 A2 discloses such a hybrid circuit breaker having an interrupting chamber 10 defining a longitudinal axis A, A 'and, placed perpendicularly, a vacuum interrupter 20 controlled by the same mechanical mechanism.
  • the order of the assembly is done by mechanical elements, most of which are not shown, operating along the longitudinal axis A, A 'of the breaking chamber 10.
  • there is a plate slider 154 which acts on a roller 155 rotatably mounted at the end of a rod 152, itself secured to a control rod 23 carrying the movable contact 22 of the vacuum interrupter 20.
  • An inclined surface of the sliding plate 154 allows actuating the control rod 23 of the vacuum interrupter to separate the movable contact 22 from the fixed contact 21 of the vacuum interrupter 20, at a given moment with respect to the opening of the interrupting chamber 10 in a chronology determined and defined in the description of document EP 1 653 491.
  • the object of the invention is to avoid these disadvantages due to the complexity of the mechanical system and its manufacturing cost.
  • the main object of the invention is a hybrid circuit breaker comprising:
  • a first switch itself comprising a first pair of contacts in which a movable contact can be displaced with respect to a fixed contact along a first longitudinal axis between a closed position and an open position;
  • a second switch comprising a second pair of contacts in which a second movable contact, integral with a movable contact rod, can be displaced along a second axis between a closed position and an open position by means of a control rod, and
  • actuating means ensuring, by a single control action, the displacement of the movable contacts relative to the fixed contacts between a closed position and an open position, the actuating means being adapted to open the first and second pair of contacts and then close the second pair of contacts while maintaining the first pair open for a certain time.
  • the hybrid circuit breaker has a system for holding the control rod of the second switch and a system for accumulating energy bearing on the movable contact rod and with respect to a fixed point and intended to be loaded up to a certain value for which the holding system deforms under the force and disengages the control rod of the movable contact rod and allows the return of the movable contact to the fixed contact.
  • the control rod holding system has a flexible toroidal coil spring placed in a groove of the movable contact rod and in the groove of a control rod of the second switch and a system of energy accumulation bearing on the movable contact rod relative to a fixed point and being intended to be loaded up to a certain value for which the flexible toroidal coil spring deforms under the force and disengages the rod from control of the movable contact rod and allows the return of the green mobile contact the fixed contact.
  • the latter comprises a ball pushed out of a non-through and radial hole in the movable contact rod by a spring placed at the interior of this hole and a corresponding notch formed in the inner surface of one end of the control rod, said end having a greater length than the stroke of the movable contact rod in the end of the control rod for that the ball does not come out of said end.
  • the first switch is a breaking chamber in which there is a control groove having between two parts parallel to the longitudinal axis A, A 'inclined part intended to be a control ramp for the control rod of the second switch which is a vacuum interrupter, by longitudinal displacement of the groove along the longitudinal axis A, A '.
  • the first switch is a breaking chamber placed along a longitudinal axis C, parallel to the second longitudinal axis of the second switch which is a vacuum interrupter.
  • the control rod of the vacuum bulb is completed by a perpendicular portion whose end is slidably mounted in a longitudinal groove of the interrupting chamber.
  • the spring 39 serves as a system of energy accumulation.
  • the control rod 31 pulls the movable contact 22 of the vacuum interrupter 20, via a flexible toroidal coil spring 38 which temporarily secures the control rod 31 and a movable contact rod 32 to the end of which is fixed the movable contact 22.
  • the spring 39 is compressed until the flexible toroidal coil spring 38 yields by compressing, thus releasing the rod of the movable contact 32 which closes under the spring action 39.
  • Such an arrangement allows, while having a relatively large stroke for the control rod 31, not to spread too far away the movable contact 22 of the fixed contact 21 of the vacuum interrupter 20.
  • the movable contact 22 returns to the movable contact 21 while the control rod 31, actuated by the mechanical system for actuating the vacuum bottle 20 and the breaking chamber 110 continues its course.
  • FIG. 3 shows in detail a first variant of the connection between the control rod 31 and the movable contact rod 32 allowing the opening and closing of the vacuum interrupter, as described previously.
  • the upper end 34 of the control rod 31 has an enlarged and hollow shape.
  • the internal space thus defined 35 has an internal diameter very slightly greater than the external diameter of the movable contact rod 32.
  • the latter has a groove 36 on its perimeter and the upper end 34 of the control rod 31 has, on its internal surface a same groove 37 corresponding to the groove 35 of the control rod 32.
  • These two grooves 35 and 37 define a radial space in which is placed the flexible toric coil spring 38.
  • the flexible toroidal coil spring 38 will yield from a certain value of the stress imposed by the control rod 31.
  • the flexible toroidal coil spring 38 then deforms by compressing and allows the disengagement of the movable contact rod 32 with respect to the control rod 31.
  • a second variant of the connection between the control rod 41 and the movable contact rod 42 uses a ball 48 pushed by a spring 49, housed itself in a non-through hole and radial 45 made in the movable contact rod 42 towards its end facing the control rod 41.
  • the inner surface of the end 44 of the control rod 41 which therefore has an elongate tubular shape, has a notch 47 corresponding to the position of the ball 48, when the control rod 41 and the contact rod mobile 42 are secured.
  • the ball 48 therefore protrudes from the outer surface of the movable contact rod 42 to be housed in the notch 47 of the end 44 of the control rod 41.
  • a vacuum interrupter 20 defining a longitudinal axis D, D 'which is parallel to the longitudinal axis C, C of the corresponding interrupting chamber 210.
  • the main elements that are the vacuum bulb 20, the energy storage spring 24, the control rod 231 with its upper end 234 secured to the movable contact rod 32 by a helical spring flexible ring 238 the lower part of the control rod 231 has a perpendicular portion 232 terminated by an end 235 slidably mounted in a longitudinal slot 212 of the interrupting chamber 210.
  • a bearing 233 has been symbolized around the control rod 231 to show that it is guided in longitudinal translation along the longitudinal axis D, D '.

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
EP11706837.9A 2010-03-09 2011-03-08 Hybrid-leistungsschalter unter verwendung eines schalters mit rückstellung an einem abschluss Not-in-force EP2545573B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1051679A FR2957450B1 (fr) 2010-03-09 2010-03-09 Disjoncteur hybride utilisant un interrupteur avec retour sur fermeture
PCT/EP2011/053472 WO2011110561A1 (fr) 2010-03-09 2011-03-08 Disjoncteur hybride utilisant un interrupteur avec retour sur fermeture

Publications (2)

Publication Number Publication Date
EP2545573A1 true EP2545573A1 (de) 2013-01-16
EP2545573B1 EP2545573B1 (de) 2015-02-11

Family

ID=42942152

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11706837.9A Not-in-force EP2545573B1 (de) 2010-03-09 2011-03-08 Hybrid-leistungsschalter unter verwendung eines schalters mit rückstellung an einem abschluss

Country Status (7)

Country Link
US (1) US9099267B2 (de)
EP (1) EP2545573B1 (de)
JP (1) JP5765825B2 (de)
CN (1) CN102844830B (de)
CA (1) CA2790573A1 (de)
FR (1) FR2957450B1 (de)
WO (1) WO2011110561A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2971080B1 (fr) * 2011-02-02 2013-03-01 Alstom Grid Sas Appareillage d'ampoule a vide comprenant un moyen de verrouillage
US9054530B2 (en) 2013-04-25 2015-06-09 General Atomics Pulsed interrupter and method of operation
CN105453209B (zh) * 2013-08-29 2017-05-24 株式会社日立制作所 气体断路器
CN106971904B (zh) * 2017-05-15 2019-04-05 上海交通大学 真空断路器合闸传动机构
CN109243905B (zh) * 2018-08-28 2024-06-21 广东科技学院 一种隔离开关装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3560682A (en) * 1965-11-30 1971-02-02 Siemens Ag Vacuum interrupter with shunting main contact structure and series disconnecting contact structure
US4168417A (en) 1978-01-25 1979-09-18 Square D Company Remote operating mechanism for electric switches
JPS5619831A (en) * 1979-07-27 1981-02-24 Tokyo Shibaura Electric Co Swithc for vacuum valve
JPS58181218A (ja) * 1982-04-19 1983-10-22 株式会社日立製作所 複合型真空しや断器
JPS5920930A (ja) * 1982-07-28 1984-02-02 株式会社東芝 ハイブリツド形しや断器
DE3528770A1 (de) * 1985-08-10 1987-02-19 Driescher Eltech Werk Mittelspannungs-schaltanlage
FR2744284B1 (fr) * 1996-01-29 1998-04-03 Schneider Electric Sa Interrupteur ou disjoncteur multipolaire moyenne tension
US5933308A (en) * 1997-11-19 1999-08-03 Square D Company Arcing fault protection system for a switchgear enclosure
EP1310970B1 (de) * 2001-11-09 2007-08-01 ABB Schweiz AG Hybridleistungsschalter mit einem Getriebe
FR2840729B1 (fr) * 2002-06-05 2004-07-16 Alstom Dispositif interrupteur pour haute ou moyenne tension, a coupure mixte par vide et gaz
FR2868199B1 (fr) * 2004-03-25 2006-05-19 Areva T & D Sa Disjoncteur hybride a haute tension.
FR2877136B1 (fr) * 2004-10-27 2006-12-15 Areva T & D Sa Cinematique d'entrainement dans un disjoncteur hybride
FR2901055B1 (fr) * 2006-05-12 2008-07-04 Areva T & D Sa Disjoncteur sectionneur d'alternateur actionne par un servo-moteur

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2011110561A1 *

Also Published As

Publication number Publication date
FR2957450A1 (fr) 2011-09-16
EP2545573B1 (de) 2015-02-11
WO2011110561A1 (fr) 2011-09-15
CA2790573A1 (fr) 2011-09-15
JP5765825B2 (ja) 2015-08-19
CN102844830A (zh) 2012-12-26
CN102844830B (zh) 2015-07-22
US20130233831A1 (en) 2013-09-12
US9099267B2 (en) 2015-08-04
FR2957450B1 (fr) 2012-04-20
JP2013521626A (ja) 2013-06-10

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