EP2575155B1 - Gerät zur verteilung von strom mittlerer spannung - Google Patents

Gerät zur verteilung von strom mittlerer spannung Download PDF

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Publication number
EP2575155B1
EP2575155B1 EP12306078.2A EP12306078A EP2575155B1 EP 2575155 B1 EP2575155 B1 EP 2575155B1 EP 12306078 A EP12306078 A EP 12306078A EP 2575155 B1 EP2575155 B1 EP 2575155B1
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EP
European Patent Office
Prior art keywords
called
unit
contacts
crank
disconnector
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Not-in-force
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EP12306078.2A
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English (en)
French (fr)
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EP2575155A1 (de
Inventor
Denis Perrin
Didier Tamisier
Florent Pitis
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Schneider Electric Industries SAS
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Schneider Electric Industries SAS
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Publication of EP2575155A1 publication Critical patent/EP2575155A1/de
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Publication of EP2575155B1 publication Critical patent/EP2575155B1/de
Not-in-force legal-status Critical Current
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    • 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
    • H01H33/12—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 present invention relates to an electrical distribution apparatus intended to be interposed between two parts of an electrical circuit so as to ensure at least the function of current flow between the parts and cut-off of the current in the event of an electrical fault.
  • an electrical distribution cell of the kind mentioned above, as described in the patent application is known.
  • FR 2 940 516 This cell comprises a switch or a circuit breaker also performing the disconnector function and, in series with this switch (or circuit breaker) a selector at least two positions respectively a current passage position and a grounding position.
  • This cell is designed to conduct a current of 630 A and is therefore not able to conduct higher current levels, such as 1250A.
  • these cells that can withstand a higher nominal current than the mid-range generally correspond within a range with low consumption volumes, which means that the industrial costs of such an adaptation are not justified.
  • the current conduction function is quite expensive and problematic in the case of vacuum circuit-breakers, this being due to the dimensioning of the contacts of the bulbs, and their high contact resistance, which varies with the number of cut-offs. performed.
  • developing such cells with high current increases the number of references of the subsets, without counting all the necessary peripheral developments ensuring the main functions of the cell, namely the dielectric and current distribution functions, this electrical function requiring in some cases a complex overmoulding of the bulb.
  • the present invention solves these problems and proposes a simple and economical electrical distribution cell that can withstand a large nominal current without considerably increasing the necessary investments and the number of subsets made.
  • the present invention relates to an apparatus according to claim 1.
  • the first electrical member is a circuit breaker or a switch with at least two positions, respectively a closed position and an open position
  • the second electrical member is a disconnector with at least two positions respectively a closed position. and an open position.
  • said cut-off or interruption of the current element comprises a vacuum interrupter.
  • this apparatus comprises means for bringing together an assembly constituted by a so-called third crank hingably connected to a so-called second connecting rod, of a dead center line, so as to increase the gear ratio when the end of the closing stroke, so as to have at the end of the closure, a large angular travel of the switch control corresponding to a short compression stroke of the contact pressure springs.
  • this apparatus comprises means for bringing a dead center passage line closer to an assembly comprising a so-called third crank hingably connected to a so-called first connecting rod so that at the end of the opening maneuver of the apparatus, the control device opens the contacts of the first member by minimizing the amplitude of the rotation of the disconnector.
  • this apparatus is characterized in that it is controlled by a control device comprising a said second crank integral in rotation with the control shaft of the first electrical member, said crank being connected in an articulated manner to the one of the ends of a so-called second connecting rod, another end of which is connected in an articulated manner to one of the ends of a so-called third crank rotatably connected to a shaft rotatably mounted about a so-called third fixed axis of the frame , and another end of which is connected in an articulated manner to a so-called first link connected in an articulated manner, at another end, to a so-called first crank supporting the disconnector knife, said so-called first crank being mounted free to rotate about a so-called first fixed axis of the frame, the rotation of said shaft being prevented by an unlockable locking system to allow be its rotation during a maneuver of manual or automatic opening of the apparatus.
  • this apparatus is controlled by a control device comprising a so-called second crank integral in rotation with the control shaft of the first electrical member, said crank being connected in an articulated manner to one end of a connecting rod.
  • said second whose other end is hingedly connected to one end of a crank said third rotatably connected to a shaft rotatably mounted about a said third fixed axis of the frame, and another end is connected in a hinged manner to a so-called first link connected in an articulated manner, at another end, to a so-called first crank supporting the disconnector knife, said so-called first crank being mounted free to rotate about a so-called first fixed axis of the chassis, the rotation of said shaft being prevented by an unlockable locking system to allow its rotation during a man manual or automatic opening of the apparatus, and in that it comprises means for providing, during the compression phase, contact pressure springs for closing the apparatus, a large rotation of the control shaft for performing sufficient rotation of the disconnector to achieve a distance necessary for holding the TTR.
  • the cut-off or interruption-of-current member comprises a support rod of its movable contact, which rod is secured to a sleeve comprising two bearing surfaces and around which the pressure spring of contact, said spring being interposed between on the one hand, a first said upper plate interposed between the first bearing surface of the sleeve and the spring, and secondly a so-called lower plate interposed between this spring and a bar, which bar is rotatably mounted relative to the said second rod and slidably mounted around the sleeve, said bar being supported by means of two opposite flats respectively on the so-called bottom plate and the second bearing surface of the sleeve.
  • this apparatus is a medium voltage electrical distribution apparatus.
  • a multipole electrical equipment comprising for each pole two cells 1.2 mounted in parallel and electrically connected on one side, to a first set of bars a and the opposite side, to a second set of bars b.
  • the first cell 1 located on the right of the figure, comprises in this particular embodiment, a vacuum circuit breaker 3 comprising a vacuum interrupter 4 in series. with a two-position switch 5 respectively a closed position and a grounding position.
  • the second cell 2 located to the left of the first comprises a switch with two positions respectively a closed position of passage of the current and a sectioning position.
  • the equipment is in the closed position, the two circuits being closed because the circuit breaker and the disconnector are closed, the rated current being distributed in the two cells.
  • To switch to the open position it is necessary to first open the disconnector 5 of the second cell, so that the current is completely derived in the circuit breaker 3 of the first cell. During this opening, it is imperative to reach a sufficient isolation distance of the contacts 6,7 of the disconnector 5 so that when the breaking contacts 8,9 begin to separate thereby cutting the current, there is no dielectric re-breakdown at the disconnector when the transient voltage recovery occurs.
  • the apparatus when switching to the closed position of the apparatus, it is necessary to first close the bulb 4 in order to establish the current through this member, and then to close the disconnector 5 so that the current is distributed in the two electric cells 1,2.
  • the apparatus according to the invention is controlled by a control device allowing to drive by a single action of the operator, the contacts 8,9 of the bulb 4 and 6,7 of the disconnector 5 so as to guarantee the steps previously mentioned.
  • the disconnector 5 comprising a knife 10 constituting a movable contact and a fixed stud 11 representing a fixed contact.
  • This knife 10 is supported by a crank 12 said first free fit in rotation about an axis (X) said first fixed belonging to the frame of the apparatus.
  • the bulb 4 of the circuit breaker has been represented, said bulb comprising, in a manner known per se, an envelope of substantially cylindrical shape enclosing a fixed contact 8 with respect to said envelope and a movable contact 9 supported by a rod.
  • mobile 13 along the axis of the bulb said rod 13 having at one of its ends, a contact pad 14 and being mechanically connected by its opposite end to a crank 15 said second integral with a shaft
  • This shaft has poles is rotatably mounted about a Y axis fixed relative to the frame of the apparatus.
  • Each of these so-called seconds handwheels 15 has an end 15a integral in rotation with the pole shaft, and an opposite end 15b, mechanically connected to the control rod of the movable contact of the apparatus.
  • a bar 16 forming a partial ball joint is mounted articulated in an opening provided at this end of the crank 15, this bar having two opposite flats 16a, 16b and being traversed by a sleeve 17 slidably mounted within this rod and having a threaded tubular orifice 18 inside which is mounted and screwed the control rod 13 of the movable contact 9 of the bulb 4.
  • this sleeve 17 has at its two opposite ends, two diameter parts. 19,20 and respectively forming two bearing surfaces 21,22.
  • this sleeve 17 are also mounted a so-called first plate 23 having a face 23a bearing on one of said 21 said abovementioned abutment surfaces 21,22 of the sleeve 17, and whose other face 23b serves as surface d pressing one end 24a of a contact pressure spring 24, which is supported by its opposite end 24b, on a so-called second plate 25 mounted around the sleeve 17 and bearing on one 16a of the flats of the aforementioned ball, while the other flat portion 16b of the ball joint is intended to bear against the so-called second bearing surface 22 of the sleeve.
  • first plate 23 having a face 23a bearing on one of said 21 said abovementioned abutment surfaces 21,22 of the sleeve 17, and whose other face 23b serves as surface d pressing one end 24a of a contact pressure spring 24, which is supported by its opposite end 24b, on a so-called second plate 25 mounted around the sleeve 17 and bearing on one 16a of the flats of the
  • the so-called first crank 12 and the so-called second crank 15 are mechanically connected by a mechanical assembly comprising a so-called first link 25 connected in an articulated manner by one of its ends, to the so-called first crank 12 and at its opposite end, at one end of a so-called third crank 26 integral with a shaft rotatably mounted about an axis said third Z fixed with respect to the frame of the apparatus.
  • This so-called third crank 26 is also connected in an articulated manner by another end, at one of the ends of a so-called second rod 27, which is connected in an articulated manner by another of its ends to the so-called second crank 15 secured to the pole tree A.
  • the control device On the figures 3 and 4 , the control device is in the closed position, the knife 10 of the disconnector 5 being closed on the fixed pad 11 and the fixed 8 and movable contacts 9 of the bulb 4 are closed. In this position, the control shaft A of the circuit breaker 3 is locked by an attachment system preventing it from being rotated under the effect of the opening springs not shown and mounted around the contact pressure springs. 24, these springs also bearing on the above-mentioned lower plate 25. In this position, the contact pressure springs 24, as well as the opening springs of the circuit breaker mechanism 3, are compressed and the so-called second cranks 15 are in high position.
  • the locking device of the control shaft A of the circuit breaker 3 is deactivated, which leads to the fact that the contact pressure springs 24 can initially decompress and lead at the same time time the cranks said seconds 15 on which they are supported, in rotation in the clockwise direction, through the said lower plate 25 bearing on the ball 16, which is integral with the crank said second 15.
  • This involves by means of the so-called second rod 27, the rotation of the so-called third crank 26 integral with the control shaft in the clockwise direction, and thereby the rotation of the so-called first rod 25 and also of the said first crank 12 supporting the knife 10, which rotates in the clockwise direction thereby causing partial opening of the movable contact 10 of the 5.
  • the separation distance of the switch contacts is sufficient to hold the TTR (transient recovery voltage) which is the voltage that will be established across the contacts of the disconnector and the bulb when a new closing of the 'equipment.
  • TTR transient recovery voltage
  • these cranks did not drive the drive rod 13 of the movable contact 8 of the bulb, because during this movement, the spring 24 has driven the plate 25 in translation the along the sleeve 17, which plate 25 has transmitted this movement to the bar 16, but this set has moved without reaching the shoulder, located at the bottom of the sleeve and formed by the so-called second bearing surface 22 of the sleeve 16 .
  • the opening springs of the mechanism which are also resting on the so-called bottom plate 25, will take over and drive the shaft of the poles A, and the cranks 15 in the direction of the clockwise, which causes the displacement of the rod 13 and thus the opening of the contacts 8, 9 of the bulb 4, as illustrated in FIG. figure 7 .
  • This movement of the cranks will be transmitted to the knife of the disconnector via the kinematics described above.
  • the closing springs of the mechanism drive the pole shaft A and the so-called second cranks 15 counterclockwise, which causes compression of the springs. contact pressure 24 via the second bearing surface 22 of the sleeve 17, the bar 16 and the lower plate 25.
  • the closing force is then transmitted by these springs 24 to the rod 13 of driving the movable contact 9 of the bulb 4 through the so-called upper plate 23 and the other bearing surface 21 of the sleeve 17.
  • This rotational movement of these cranks 15 causes the other, the counterclockwise rotation of the so-called third crank 26 via the so-called second rod 27, and the rotation in the counterclockwise direction of the so-called first crank 12 by means of the so-called first connecting rod, which results in the closing the contacts 8, 9 of the disconnector 5, illustrated position on the figures 3 and 4 .
  • the lengths of the connecting rods and cranks are chosen such that during this compression phase of the contact pressure springs 24, the rotation of the control shaft A makes it possible to achieve sufficient rotation of the movable contact of the disconnector 5.
  • this kinematics is performed in such a way that one also approaches a dead center passage line M between the so-called third crank 26 and the so-called first rod 25 at the end. opening operation, so as to allow the control to open the cutoff contacts by minimizing the rotation of the disconnector.
  • this neutral passage line allows the switch 5 to be gently stopped and thus to avoid oscillating violently at the end of opening, which could cause parasitic rotation movements of the control at the end of opening.
  • the control device of the apparatus according to the invention has been designed so as to produce two different kinematics for each electrical member, each member being mechanically connected to the output shaft of the circuit breaker control device.
  • the present invention has thus made it possible to produce a mechanical device making it possible to maneuver in the same maneuver a cut-off member and a disconnecting member arranged in parallel and whose disconnecting member must open first in order to derive all the current in the cut-off member, and whose sectioning member must close last, as this avoids to have a power of closure, in order to derive a part of the current of the cut-off device, this after closure of the circuit by the sectioning member.
  • This device ensures a sufficient isolation distance of the disconnector for the holding of the TTR before the cut-off contacts start to separate, this using the compression / decompression phases of the contact pressure springs to actuate the disconnector .
  • This device makes it possible to maneuver two electric organs with a shift of the opening and the closing of one with respect to the other, with a kinematics without rupture of movement constituted by pivot connections (no light for empty strokes ) and therefore not generating shocks.
  • This device makes it possible to maneuver two electric members whose offset from one with respect to the other is guaranteed by a rigid and reliable kinematic chain.
  • This device also makes it possible to guarantee the state concordance of two different electrical organs (one can not be opened if the other is not). This ensures a reliable image of the position of the two electrical components relative to that of the control.
  • the drive mechanism can be of any type, ie with separate closing and opening springs, with a single spring, single spring for closing and opening.

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  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Claims (9)

  1. Gerät zur Verteilung von Strom, das dazu bestimmt ist, zwischen zwei Teilen eines Stromkreises derart eingefügt zu werden, um mindestens die Funktion des Stromdurchgangs zwischen den Teilen und des Abschaltens des Stroms im Falle eines elektrischen Defekts zu gewährleisten, wobei das Gerät ein erstes elektrisches Abschalt- oder Unterbrechungsorgan (3) und ein zweites elektrisches Trennorgan (5) aufweist, wobei die zwei elektrischen Organe alle beide jeweils in der offenen Position und in der geschlossenen Position des Gerätes eine offene Position und eine geschlossene Position einnehmen können, wobei das oben genannte Abschalt- oder Unterbrechungsorgan des Stroms (3) Druckkontaktfedern (24) aufweist, die geeignet sind, den Druckkontakt zwischen dem festen und dem beweglichen Kontakt (8,9) des Abschalt- oder Unterbrechungsorgan (3) nach dem Schließen dieser Kontakte zu gewährleisten, wobei die Kompressions-/Dekompressionsphase dieser Druckkontaktfedern (24) verwendet wird, um den Trennschalter (5) zu betätigen, dadurch gekennzeichnet, dass das Öffnen und Schließen des ersten und zweiten elektrischen Organs durch das erste elektrische Organ (3) gesteuert ist, und dadurch, dass beim Übergang des Gerätes von der geschlossenen Position in die offene Position die Kontakte (6, 7) des Trennorgans (5) zunächst offen sind und dabei zwischen ihren Kontakten einen Lichtbogen und eine Lichtbogenspannung erzeugen, wodurch dem Strom ermöglicht wird, im Wesentlichen vollständig in das Abschalt- (3) oder Unterbrechungsorgan abgeleitet zu werden, wobei das Öffnen dieser Kontakte bis zum Erhalten von einem ausreichenden Isolierabstand zwischen den Kontakten des Trennorgans vor dem Öffnen der Kontakte (8, 9) des Abschalt- (3) oder Unterbrechungsorgans fortgesetzt wird, um jegliches dielektrisches Wiederdurchschlagen an dem Trennorgan bei dem Aufbauen der transienten wiederkehrenden Spannung (TRV) nach dem Schließen der Kontakte der zwei Organe zu verhindern,
    - dadurch, dass es Mittel aufweist, um beim Übergang von der offenen Position in die geschlossene Position zuerst das erste elektrische Organ (3) zu schließen, um den Durchgang des Stroms durch dieses Organ zu erstellen, und dann das zweite elektrische Organ (5) zu schließen, damit sich der Nennstrom in den zwei elektrischen Organen (3, 5) aufteilt,
    - dadurch, dass es eine Steuervorrichtung aufweist, die eine zweite Kurbel (15) aufweist, die drehfest mit der Steuerwelle A des ersten elektrischen Organs (3) verbunden ist, die Polwelle genannt wird, wobei die Kurbel (15) mit einem der Enden einer zweiten Kurbelstange (27) gelenkig verbunden ist, wovon ein anderes Ende gelenkig mit einem der Enden einer dritten Kurbel (26) verbunden ist, die drehfest mit einer Welle verbunden ist, die drehbar um eine dritte feste Achse Z des Gestells befestigt ist, und wovon ein anderes Ende gelenkig mit einer ersten Kurbelstange (25) verbunden ist, die gelenkig durch ein anderes Ende mit einer ersten Kurbel (12) verbunden ist, die das Messer (10) des Trennschalters (5) trägt, wobei die erste Kurbel (12) frei drehbar um eine erste feste Achse X des Gestells befestigt ist,
    dadurch, dass diese Steuervorrichtung durch die Dekompression der Druckkontaktfedern (24) gesteuert ist, und dadurch, dass diese Steuervorrichtung vor dem Öffnen der Kontakte (8, 9) des Abschalt- oder Unterbrechungsorgans des Stroms (3) einen Teil des Öffnens der Kontakte des zweiten Organs (5) derart steuert, dass, wenn diese Dekompressionsphase beendet ist und die Kontakte (8, 9) des Abschalt- oder Unterbrechungsorgans (3) beginnen, sich zu öffnen, der Trennungsabstand der Kontakte (6, 7) des zweiten Organs (5) ausreichend ist, um die transiente wiederkehrende Spannung (TRV) zu halten, und dadurch, dass das Gerät Mittel aufweist, damit die Steuervorrichtung am Ende des Vorgangs des Öffnens des Gerätes die Kontakte des ersten Organs öffnet und dabei die Amplitude der Drehung des Trennschalters minimiert, während das Übersetzungsverhältnis zwischen der Welle der Pole A und der Antriebskurbel der Abschaltkontakte (8, 9) am Ende des Schließhubs der Abschaltkontakte erhöht wird, wobei diese Verhältnisse durch die Längenverhältnisse zwischen den verschiedenen Kurbelstangen und Kurbeln bestimmt werden.
  2. Gerät nach Anspruch 1, dadurch gekennzeichnet, dass das erste elektrische Organ ein Schutzschalter oder ein Schalter mit mindestens zwei Positionen (3), jeweils einer geschlossenen Position und einer offenen Position, ist, während das zweite elektrische Organ ein Trennschalter (5) mit mindestens zwei Positionen, jeweils einer geschlossenen Position und einer offenen Position, ist.
  3. Gerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Abschalt- oder Unterbrechungsorgan des Stroms (3) eine Vakuumröhre (4) aufweist.
  4. Gerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es Mittel aufweist, um eine Anordnung, die aus einer dritten Kurbel (26) gebildet ist, die gelenkig mit einer zweiten Kurbelstange (27) verbunden ist, an eine Durchlauflinie des toten Punktes L derart näher zu bringen, um das Übersetzungsverhältnis während des Endes des Schließhubs derart zu erhöhen, um am Ende des Schließens einen großen Winkelhub zum Steuern des Trennschalters (5) zu haben, der einem geringen Kompressionshub der Druckkontaktfedern (24) entspricht.
  5. Gerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es Mittel aufweist, um eine Anordnung, die eine dritte Kurbel (26) aufweist, die gelenkig mit einer ersten Kurbelstange (25) verbunden ist, an eine Durchlauflinie des toten Punktes M derart näher zu bringen, damit die Steuervorrichtung am Ende des Öffnungsvorgangs des Gerätes die Kontakte (6,7) des ersten Organs (3) öffnet und dabei die Amplitude der Drehung des Trennschalters (5) minimiert.
  6. Gerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es ein Einhaksystem aufweist, das geeignet ist, die Drehung der Welle zu verhindern, wobei dieses Einhaksystem entriegelbar ist, um ihre Drehung bei einem manuellen oder automatischen Öffnungsvorgang des Gerätes zu ermöglichen.
  7. Gerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es durch eine Steuervorrichtung gesteuert ist, die eine zweite Kurbel (15) aufweist, die drehfest mit der Steuerwelle A des ersten elektrischen Organs (3) verbunden ist, wobei die Kurbel (15) mit einem der Enden einer zweiten Kurbelstange (27) gelenkig verbunden ist, wovon ein anderes Ende gelenkig mit einem der Enden einer dritten Kurbel (26) verbunden ist, die drehfest mit einer Welle verbunden ist, die drehbar um eine dritte feste Achse Z des Gestells befestigt ist, und wovon ein anderes Ende gelenkig mit einer ersten Kurbelstange (25) verbunden ist, die gelenkig durch ein anderes Ende mit einer ersten Kurbel (12) verbunden ist, die das Messer (10) des Trennschalters (5) trägt, wobei die erste Kurbel (12) frei drehbar um eine erste feste Achse X des Gestells befestigt ist, wobei die Drehung der Welle durch ein entriegelbares Einhaksystem verhindert wird, um ihre Drehung bei einem manuellen oder automatischen Öffnungsvorgang des Gerätes zu ermöglichen, und dadurch, dass es Mittel aufweist, um bei der Kompressionsphase der Druckkontaktfedern (24) zum Durchführen des Schließens des Gerätes für eine große Drehung der Steuerwelle A zu sorgen, die ermöglicht, eine ausreichende Drehung des Trennschalters (5) durchzuführen, um einen Abstand zu erreichen, der für das Halten der TRV notwendig ist.
  8. Gerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Abschalt- oder Unterbrechungsorgan des Stroms (3) eine Stange (13) zum Stützen eines beweglichen Kontakts (9) aufweist, wobei die Stange (13) mit einer Hülse (17) fest verbunden ist, die zwei Auflageflächen (21, 22) aufweist und um die herum die Druckkontaktfeder (24) angebracht ist, wobei die Feder (24) zwischen einerseits einem oberen Teller (23), der zwischen der ersten Auflagefläche (21) der Hülse (17) und der Feder (24) angeordnet ist, und andererseits einem unteren Teller (25) angeordnet ist, der zwischen dieser Feder (24) und einem Stab (16) angeordnet ist, wobei der Stab (16) drehbar in Bezug auf die zweite Kurbelstange (27) angebracht ist und verschiebbar um die Hülse (17) angebracht ist, wobei der Stab (16) durch zwei gegenliegende Abflachungen (16a, 16b) jeweils auf dem unteren Teller (25) und der zweiten Auflagefläche (22) der Hülse (17) in Auflage ist.
  9. Gerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es ein Gerät zur Verteilung von Strom mittlerer Spannung ist.
EP12306078.2A 2011-09-27 2012-09-07 Gerät zur verteilung von strom mittlerer spannung Not-in-force EP2575155B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1102930A FR2980633B1 (fr) 2011-09-27 2011-09-27 Appareillage de distribution electrique moyenne tension

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EP2575155A1 EP2575155A1 (de) 2013-04-03
EP2575155B1 true EP2575155B1 (de) 2019-09-04

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CN (1) CN103021728B (de)
FR (1) FR2980633B1 (de)

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DE102013207436B4 (de) * 2013-04-24 2021-06-02 Siemens Aktiengesellschaft Antrieb für ein Schaltgerät und ein Schaltgerät mit einem derartigen Antrieb
CN103489704B (zh) * 2013-09-25 2015-12-16 苏州朗格电气有限公司 一种真空断路器操作装置
FR3015107B1 (fr) * 2013-12-17 2015-12-25 Schneider Electric Ind Sas Dispositif de commande de la mise a la terre d'un appareillage de protection electrique moyenne tension constitue d'au moins deux appareils de protection electrique
US9679724B2 (en) 2015-07-13 2017-06-13 Eaton Corporation Component for electric power system, and contact assembly and open air arcing elimination method therefor
CN109326486A (zh) * 2018-11-30 2019-02-12 浙江华仪电器科技有限公司 一种开关用延时控制的简易传动结构

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FR2980633B1 (fr) 2013-09-06
CN103021728A (zh) 2013-04-03
CN103021728B (zh) 2018-06-15
FR2980633A1 (fr) 2013-03-29
EP2575155A1 (de) 2013-04-03

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