EP1523024A1 - Betätigungsmechanismus für Hybrid-hochspannungsschalter - Google Patents

Betätigungsmechanismus für Hybrid-hochspannungsschalter Download PDF

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Publication number
EP1523024A1
EP1523024A1 EP04104907A EP04104907A EP1523024A1 EP 1523024 A1 EP1523024 A1 EP 1523024A1 EP 04104907 A EP04104907 A EP 04104907A EP 04104907 A EP04104907 A EP 04104907A EP 1523024 A1 EP1523024 A1 EP 1523024A1
Authority
EP
European Patent Office
Prior art keywords
disk
pressure
vacuum
axis
circuit breaker
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.)
Pending
Application number
EP04104907A
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English (en)
French (fr)
Inventor
Michel Tresy
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.)
Grid Solutions SAS
Original Assignee
Areva T&D SAS
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 Areva T&D SAS filed Critical Areva T&D SAS
Publication of EP1523024A1 publication Critical patent/EP1523024A1/de
Pending 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
    • H01H33/666—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
    • 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

Definitions

  • the present invention relates to a device High Voltage Hybrid Circuit Breaker Actuation and a hybrid circuit breaker equipped with such a device actuating.
  • Such a hybrid circuit breaker comprises for each pole a dielectric gas break chamber, by SF6 under pressure, whose fixed contact is connected to a first terminal of the network and connected in series with a switch supporting the dU / dt of the transient recovery voltage and whose fixed contact is connected to a second terminal of the network.
  • This switch is often a vacuum bulb.
  • This hybrid circuit breaker includes for each pole a dielectric gas breaking chamber comprising a first fixed contact and a second movable contact arranged longitudinally at a first axis and whose first fixed contact is connected to a first terminal of the network.
  • This interrupting chamber is connected in series with a vacuum interrupter with a fixed contact and a movable contact arranged longitudinally at a second axis and whose fixed contact is connected to a second terminal of the network, actuating means ensuring by a single command the movement between an open position and a closed position said moving contacts.
  • first and second axes are perpendicular and the control rod is arranged longitudinally at the first axis.
  • An actuating arrangement with connecting rod rotating angle ensures the synchronization of movements between an open position and a closing position of said movable contacts.
  • a pressure arrangement in spring closure mechanics is interposed between the moving contact of the vacuum bulb and the actuating arrangement.
  • This pressure arrangement consists of two flanges radial of the moving contact of the bulb which forms a housing for the mechanical spring on the end which comes into contact with an annular piston whose translation stroke is limited by abutment against a flange of the moving contact.
  • This piston is directly connected to the control arrangement.
  • this housing also contains the light bulb empty with its own envelope. Tensile strength at terminals of the vacuum bulb is therefore limited by the small possible diameter of the envelope of this bulb. This results in a limitation of the voltage can be applied to such a circuit breaker.
  • the invention proposes an actuating device ensuring by a single command the movement between an open position and a closed position movable contacts of a gas break chamber dielectric and a vacuum interrupter of a circuit breaker hybrid, said chamber comprising a movable contact disposed longitudinally at a first axis and being connected in series with a vacuum lamp comprising a fixed contact and a movable contact arranged longitudinally to a second axis, said command ensuring a translation along the first axis, actuating means ensuring the synchronization of moving said moving contacts, an arrangement of pressure being interposed between the moving contact of the vacuum bulb and these actuating means, characterized in that said actuating means include at least one rotating disk about an axis perpendicular to said previous axes and two connecting rods connecting respectively each mobile contact to this disc, these actuating means abutting against a fixed member in the closed position of contacts, the force exerted by the said arrangement of pressure in this closing position pushing said means against this abut
  • This actuation device also allows to obtain by dimensioning the different elements races and cut speeds for the room cutoff and for the vacuum bulb very different. A ratio of between five and twenty can be easily obtained.
  • the connecting rod connecting the moving contact of the vacuum bulb to said disk is connected by a articulation in rotation on this disc, this connecting rod being offset by an angle ⁇ of said second axis in position closing of the movable contacts.
  • the connecting rod connecting the contact moving from the break chamber to the disc is connected to a tenon carried by this disc via a oblong hole.
  • This oblong hole or slot by setting its length, allows to shift the opening of the contacts of the vacuum bulb compared to that of the contacts of the break chamber for a desired period of time. As for example, it is known to shift these openings about 3 ms.
  • This oblong hole can be formed on said connecting rod connecting the moving contact of the chamber of cut to said disk or be formed on a second disk rotating around the same axis as the first disc, said connecting rod connecting the moving contact of the chamber of cutting to said disk being hinged in rotation on this second disc.
  • the invention also relates to a circuit breaker hybrid equipped with such an actuating device.
  • the connecting rod connecting the contact mobile of the vacuum bulb to said first disk is connected by a hinged side vacuum bulb to a piston rod in a room integral with this contact.
  • This arrangement makes it possible to ensure a pressure in closing the contacts of the vacuum bulb.
  • said the pressure arrangement comprises an arrangement for assisting the opening of the moving contact of the vacuum bulb to mechanical spring.
  • said the pressure arrangement comprises an arrangement for assisting the opening of the movable contact of the vacuum interrupter differential pressure pneumatic using the difference between the dielectric gas pressure of the casing of the actuating device and the pressure dielectric gas from the envelope of the vacuum bulb.
  • said arrangement comprises a annular flange forming piston connected to the moving contact of the vacuum bulb and subjected on one of its faces to said first pressure and on the other of its faces to said second pressure.
  • Figures 1 and 2 are partial views of longitudinal section of a hybrid circuit breaker according to a first embodiment of the invention, in position closing and in the open position.
  • Figures 3 and 4 are partial views of longitudinal section of a hybrid circuit breaker according to a second embodiment of the invention, in closing position and in the open position.
  • Figure 5 is a partial sectional view longitudinal circuit of a hybrid circuit breaker according to a third embodiment of the invention, in closing position.
  • a hybrid circuit breaker includes for each pole a dielectric gas break chamber, by example of SF6 under pressure, including a contact fixed and a movable contact arranged longitudinally a first axis A-A ', vertical seen according to the figures, and whose fixed contact is connected to a first terminal of the network.
  • This interrupting chamber is connected in series with a vacuum bulb 2 having a fixed contact and a movable contact arranged longitudinally at a second axis B-B ', horizontal seen according to the figures, and whose fixed contact is connected to a second terminal of the network.
  • the gas cutoff chamber dielectric is not shown. Only the first axis A-A 'is represented, corresponding to the axis longitudinal contact of the latter.
  • this first axis A-A moves in translation on this axis the insulating control rod of the moving contact of the breaking chamber. for example on this rod and in any case on a solidarity piece of this mobile contact, is connected a device actuator 1 ensuring by a single command in translation of this rod, the displacement between a open position and a closed position of moving contacts of the gas cutoff chamber dielectric and vacuum interrupter 2 of the circuit breaker hybrid.
  • actuating means 1 ensures the movement synchronization of moving contacts.
  • a pressure arrangement 3 comprising a arrangement of aid for opening by pressure is interposed between the movable contact of the vacuum interrupter 2 and these actuating means 1.
  • This opening pressure arrangement is identical in the first two embodiments.
  • This pressure opening aid is exerted by a mechanical spring 3A helical.
  • the moving contact of the bulb 2 slide in a fixed part of the circuit breaker 3B, in general part of a crankcase, and is connected to a part 3C carrying a 3D annular flange.
  • the spring 3A is an opening spring and is in support against this housing 3B and this 3D flange.
  • these actuating means 1 include a rotating disk 1A about a 1B axis perpendicular to the aforementioned axes A-A 'and B-B' and intersecting the longitudinal axis B-B 'of the bulb 2 and two connecting rods 1C and 1D respectively connecting each mobile contact to this disk 1A.
  • a first connecting rod 1C is connected by one of its ends on the insulating rod of the chamber of cut by a 1C 'articulation in rotation around of an axis parallel to the axis 1B and comprises to its other end an oblong hole or longitudinal slot 1 C' ' .
  • This slot 1C "is mounted on a post 1A ' worn by the disk 1A.
  • a second rod 1D is connected by one of his ends on the moving contact of the vacuum bulb 2 by a hinge 1D 'rotating about an axis parallel to the axis 1B and by its other end on the 1A disc by a 1D "hinge in rotation around an axis also parallel to the axis 1B.
  • the disc 1A has a stop surface 1A " intended to abut against a fixed abutment member 1A ", in the closed position of the circuit breaker.
  • the insulated connecting rod In closed position of contacts, as shown in Figure 1, the insulated connecting rod is its upper position (seen according to the figures) and the 1C '' slot of the 1C connecting rod has its inner end in abutment against the post 1A '. Disk 1A is it pushed against the stopper 1A '' and the 1D rod side of the vacuum bulb is inclined angle ⁇ of the second axis B-B 'so that the effort exerted by the spring 3A of the pressure arrangement in closure 3 in this closed position pushes the disk 1A against this abutment member 1A ''. Other said, this 1D rod has exceeded the stitch position death corresponding to its alignment with the second axis B-B 'and the pressure of the spring 3A then contributes to the disc pressure 1A on the stop member 1A ".
  • the insulated connecting rod When opening, the insulated connecting rod is pulled down here along the first axis A-A 'for reach the open position shown on the figure 2.
  • the connecting rod 1C on the break chamber is therefore moves at first without any effect on the disc 1A, the tenon 1A 'remaining fixed up to stop against the outer end of slot 1C '', then in a second time, therefore, the tenon 1A 'of the disc 1A and it rotates about its axis 1B. This up to the open position where the tenon 1A ' is in abutment against the outer end of the slot 1C "of the connecting rod 1C.
  • the length of the slot 1C "of the first 1C link is therefore chosen according to the offset desired between the opening of the chamber contacts breaking and that of the contacts of the vacuum interrupter 2.
  • the corresponding rod 1D is disassociated on a corresponding race of the piece 3C carrying a 3D annular flange.
  • this 1D connecting rod is connected by its articulation 1D 'to a piston rod 3 E in the piece 3C and subjected to an arrangement of elastic pressure plates 3F.
  • This flexible blade arrangement 3F also ensures the pressure function in closing contacts of the vacuum bulb and also contributes to the thrust of the disc 1A against stop 1A "in the closed position.
  • This stroke corresponding to the angle ⁇ increases the opening shift of the chamber contacts break and vacuum bulb.
  • the angle ⁇ is chosen relatively small of the order of 3 to 4 °.
  • the vacuum bulb 2 is contained in its cylindrical insulating casing and only one casing containing only the actuating device 1 of reduced volume is necessary.
  • Figures 3 and 4 represent a second mode of realization, where the elements common to the first mode implementation will not be re-described in detail and bear the same references.
  • the first connecting rod side cut chamber no longer wears slit and is articulated directly on a second disk 10A by a articulation 10B rotating about a parallel axis to axis 1B.
  • This second disk 10A is also rotatable around an axis 1B and it is he who carries an orifice oblong or slot 10C in an arc and which is mounted on a post 10A 'carried by the disk 1A.
  • the stop arrangement with its stop member 10A is different from that of the first embodiment.
  • this arrangement is achieved by a radial extension and in a circular arc of the disk 1A which carries besides here the 1D "joint and on one of the edges of which abuts the abutment member 10A ".
  • the insulated connecting rod In closed position of contacts, as represented in FIG. 3, the insulated connecting rod is its upper position (seen according to the figures) and the 10C 'slot of disk 1A has one of its ends in stop against tenon 10A '. Disk 1A is pushed against the stop member 10A "and the rod 1D side Vacuum bulb is inclined at an angle ⁇ second axis B-B 'so that the exerted force by the spring 3A of the pressure arrangement closure 3 in this closed position pushes the disc 1A against this abutment member 10A ". said, this 1D rod has exceeded the stitch position death corresponding to its alignment with the second axis B-B 'and the pressure of the spring 3A then contributes to the disc pressure 1A on the stop member 10A ".
  • the insulated connecting rod When opening, the insulated connecting rod is pulled down here along the first axis A-A 'for reach the open position shown on the figure 4.
  • the connecting rod 1C on the cutting chamber side therefore moves at first without any effect on the disc 1A, the pin 10A 'remaining fixed up to stop against the other end of the slot 10C, then in a second time thus drives the tenon 10A 'of the disc 1A and it rotates about its axis 1B.
  • the opening spring 3A pushes the flange up against the fixed part in 3B 'and thus the actuating means 1, this up to the opening position where tenon 10A 'abuts against the other end of the 10C slot of the connecting rod 1 C.
  • the length of the slot 10C of the first connecting rod 1C is therefore chosen according to the desired offset between the opening of the contacts of the breaking chamber and that of the contacts of the vacuum interrupter 2.
  • the corresponding rod 1D is disassociated on a corresponding race of the piece 3C by an arrangement in all respects identical to that of the first embodiment.
  • the arrangement of assistance with the opening is a pneumatic differential pressure arrangement between the gases of the break chamber and the light bulb empty.
  • the difference between the dielectric gas pressure P1 in the envelope of the actuating means, called first envelope, and the dielectric gas pressure P2 in the envelope of the vacuum bulb, called second envelope, is used to get help to the opening.
  • P1 is of the order of 10 bar and P2 of the order of 1 bar.
  • the mobile contact of the bulb 2 which slides in a fixed part of the 3B circuit breaker, usually making part of a support housing, and is connected to a room 3C carrying a 3D annular flange.
  • the fixed part 3B is here opened by at least one orifice 4A, preferably by several such orifices distributed on its circumference, towards the interior of the first envelope near its near wall or common to the second envelope. So the gas content in this first envelope fills the space cylindrical formed by this wall and the annular flange 3D that can slide against this fixed part so tight thanks to the interposition of a seal sealing, like a piston.
  • part 3C is provided with at least one orifice 4B, preferably several such orifices distributed on its circumference, allowing the gas contained by this second envelope to get inside that room 3C and the other side of the 3D ring flange through other 4D orifices arranged in this part 3C.
  • the annular flange 3D is on its face facing the vacuum bulb 2 submitted to the pressure P1 and on the other of its faces subjected to the P2 pressure. Given the difference between P1 and P2, this pneumatic arrangement ensures an effort against the face turned towards the vacuum bulb of this flange equivalent to that of the mechanical spring 3A of the previous realization.

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  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
EP04104907A 2003-10-09 2004-10-07 Betätigungsmechanismus für Hybrid-hochspannungsschalter Pending EP1523024A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0350666A FR2860915B1 (fr) 2003-10-09 2003-10-09 Dispositif d'actionnement de disjoncteur hybride a haute tension et disjoncteur ainsi equipe
FR0350666 2003-10-09

Publications (1)

Publication Number Publication Date
EP1523024A1 true EP1523024A1 (de) 2005-04-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP04104907A Pending EP1523024A1 (de) 2003-10-09 2004-10-07 Betätigungsmechanismus für Hybrid-hochspannungsschalter

Country Status (2)

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EP (1) EP1523024A1 (de)
FR (1) FR2860915B1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102568919A (zh) * 2010-10-18 2012-07-11 Ls产电株式会社 真空断路器的储能装置
CN103123881A (zh) * 2013-01-24 2013-05-29 平高集团有限公司 一种三相共箱真空断路器及断路器拨动机构
CN103123884A (zh) * 2013-01-24 2013-05-29 平高集团有限公司 触头弹簧装置
US9054530B2 (en) 2013-04-25 2015-06-09 General Atomics Pulsed interrupter and method of operation
WO2019115132A1 (de) * 2017-12-15 2019-06-20 Siemens Aktiengesellschaft Anordnung und verfahren zum antreiben eines beweglichen kontakts einer vakuumschaltröhre in einem hochspannungsleistungsschalter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1112745A (en) * 1965-12-03 1968-05-08 Ass Elect Ind Improvements in and relating to circuit breakers
EP0847586A1 (de) * 1995-08-31 1998-06-17 Schneider Electric Sa Hybrid-hochspannungsschalter
US20010002664A1 (en) * 1999-12-06 2001-06-07 Joachim Stechbarth Hybrid circuit breaker
FR2827075A1 (fr) * 2001-07-05 2003-01-10 Schneider Electric Ind Sa Appareillage electrique de coupure et de sectionnement comportant une ampoule sous vide

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1112745A (en) * 1965-12-03 1968-05-08 Ass Elect Ind Improvements in and relating to circuit breakers
EP0847586A1 (de) * 1995-08-31 1998-06-17 Schneider Electric Sa Hybrid-hochspannungsschalter
US20010002664A1 (en) * 1999-12-06 2001-06-07 Joachim Stechbarth Hybrid circuit breaker
FR2827075A1 (fr) * 2001-07-05 2003-01-10 Schneider Electric Ind Sa Appareillage electrique de coupure et de sectionnement comportant une ampoule sous vide

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102568919A (zh) * 2010-10-18 2012-07-11 Ls产电株式会社 真空断路器的储能装置
CN102568919B (zh) * 2010-10-18 2015-01-21 Ls产电株式会社 真空断路器的储能装置
CN103123881A (zh) * 2013-01-24 2013-05-29 平高集团有限公司 一种三相共箱真空断路器及断路器拨动机构
CN103123884A (zh) * 2013-01-24 2013-05-29 平高集团有限公司 触头弹簧装置
CN103123881B (zh) * 2013-01-24 2015-07-01 平高集团有限公司 一种三相共箱真空断路器及断路器拨动机构
CN103123884B (zh) * 2013-01-24 2015-11-04 平高集团有限公司 触头弹簧装置
US9054530B2 (en) 2013-04-25 2015-06-09 General Atomics Pulsed interrupter and method of operation
WO2019115132A1 (de) * 2017-12-15 2019-06-20 Siemens Aktiengesellschaft Anordnung und verfahren zum antreiben eines beweglichen kontakts einer vakuumschaltröhre in einem hochspannungsleistungsschalter
CN111466005A (zh) * 2017-12-15 2020-07-28 西门子股份公司 用于驱动高压功率开关中的真空开关管的可移动触头的装置和方法
US11145471B2 (en) 2017-12-15 2021-10-12 Siemens Aktiengesellschaft Arrangement and method for driving a movable contact of a vacuum interrupter in a high-voltage circuit breaker

Also Published As

Publication number Publication date
FR2860915A1 (fr) 2005-04-15
FR2860915B1 (fr) 2006-02-10

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