EP2923369A1 - Procédé de coupure et dispositif de coupure - Google Patents

Procédé de coupure et dispositif de coupure

Info

Publication number
EP2923369A1
EP2923369A1 EP14700818.9A EP14700818A EP2923369A1 EP 2923369 A1 EP2923369 A1 EP 2923369A1 EP 14700818 A EP14700818 A EP 14700818A EP 2923369 A1 EP2923369 A1 EP 2923369A1
Authority
EP
European Patent Office
Prior art keywords
contact piece
rated current
arcing
contact
piece
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
EP14700818.9A
Other languages
German (de)
English (en)
Other versions
EP2923369B1 (fr
Inventor
Radu-Marian Cernat
Martin KREHNKE
Volker Lehmann
Friedrich Löbner
Andrzej Nowakowski
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Publication of EP2923369A1 publication Critical patent/EP2923369A1/fr
Application granted granted Critical
Publication of EP2923369B1 publication Critical patent/EP2923369B1/fr
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
    • H01H33/02—Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/38—Plug-and-socket contacts
    • H01H1/385—Contact arrangements for high voltage gas blast circuit breakers
    • 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
    • H01H2033/028—Details the cooperating contacts being both actuated simultaneously in opposite directions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/42—Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
    • 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
    • H01H33/025—Terminal 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
    • H01H33/42—Driving mechanisms

Definitions

  • the invention relates to a switching method of a switching device having a first contact side, which is movable relative to ei ⁇ ner second contact side, wherein the first Kon ⁇ tact side has a first rated current contact piece and a first arcing contact piece and the second contact side a second rated current contact piece and a second Arcing contact piece, wherein for generating a relative movement between the first contact side and the second contact side, the first arcing contact piece and the first rated current contact piece and the second arcing contact piece and the second rated current contact piece are driven.
  • a switching device which has a first and a second contact side. Both the first and the second contact side each have an arcing contact piece and a rated current contact piece. On one of the contact pages, a gear is used to drive the local contact pieces. The arcing contact piece and the rated current contact piece of the other contact side are also movably arranged. To control higher voltages and currents, it is known to increase the contact separation speed or the contacting speed. So one time Inter ⁇ Vall is shortened, can in which switching arcs occur. The desire for higher switching speeds leads to the use of more powerful drive means to move the moving masses fast enough. Larger speeds lead to greater forces on the moving parts of the switching device.
  • the object is achieved in that during a switching operation, the first arcing contact piece is moved with a movement profile and the first Nennstromkon ⁇ contact piece is moved with a movement profile and the BEWE ⁇ supply profiles of the first arcing contact piece and first rated current contact piece differ from each other and the second
  • Arc contact pieces is moved with a movement profile and the second rated current contact piece is moved with aschulspro ⁇ fil and the motion profiles of the second Lichtbo ⁇ gentitle institutions and second rated current contact piece differ from each other.
  • Switching means serve a manufacturing or a dissolving of a current path through which a driven by a potential difference ⁇ electric current can flow. For contacting or for dissolving the current path, the
  • the contact sides each have an arcing contact piece and a rated current contact piece.
  • the arcing contact pieces and the rated current contact pieces are each equipped with contacting areas.
  • the contacting areas of the arcing contact pieces are each designed to be equal in order to be able to effect a galvanic contacting. Accordingly, the Kunststofftechniks Kunststoffe the rated current contact pieces are formed gegen Dermat same.
  • the first rated current contact piece and the first arcing contact piece of the first contact side are permanently electrically connected to one another independently of a switching position of the electrical switching device.
  • the second arcing contact piece and the second rated current contact piece of the second contact side are permanently electrically contacted independently of a switching position of the electrical switching device.
  • the first arcing contact and the first Rated current contact piece are movable relative to each other.
  • the second arcing contact piece and the second rated current contact piece are movable relative to each other.
  • the first contact side (comprising clocking the first piece Lichtbogenkon- and the first rated current contact piece) relative to the second contact side (comprising the second arcing contact piece ⁇ and the second rated current contact piece) movable.
  • the first arcing contact piece and the second arcing contact piece and the first rated current contact and the second nominal current ⁇ contact piece are driven.
  • one or more drive devices can be used, which convert an energy form into a movement.
  • the einan- the associated arcing contact pieces and Nennstromkon ⁇ clock pieces of a contact side are moved with each other deviate ⁇ sponding movement profiles.
  • a motion profile defi ⁇ ned doing a path-time behavior of the respective contact piece during a switching operation (z. B. power-, turn-off).
  • the movement profiles can be inserted Festge ⁇ for example by a mechanical or electrical control.
  • the respective movement professional ⁇ le of the arcing contact pieces, and the rated current contact pieces can be synchronized relative to each other so that certain move- ments of the one contact piece, must be completed before a movement of another contact piece a ⁇ sets / progresses.
  • the arcing contact pieces should touch current contact pieces before the rated at a power on operation ⁇ each other so that switching arcs (pre- arcing) may occur preferably at the arcing contact pieces.
  • the rated current contact pieces should first be separated, so that a commutated to be interrupted ⁇ electric current to the arcing contact pieces.
  • the arcing contact pieces are separated from each other.
  • a switching arc (Ausschaltschreiben) is preferably performed between the arcing contact pieces.
  • the arcing contact pieces protect the rated current ⁇ contact pieces from consumption.
  • the time of contacting the arcing contact pieces / the rated current contact pieces or the time of separation of the rated current contact pieces / the arcing contact pieces can be determined by a variation of the individual motion profiles.
  • the time delay between the separation and / or contacting of the arcing contact pieces and the rated current contact pieces can be changed via a design of the movement profiles.
  • the location of the contacting can also be changed by changing the motion profiles.
  • Ana ⁇ loges applies to a switch-off.
  • different motion profiles of the arcing contact pieces and the rated current contact pieces can be provided that temporarily a similar movement of an arcing contact piece and a rated current contact piece of a contact page.
  • an arcing contact and a rated current contact piece can be moved in such a manner during a time window of a switching ⁇ operation that the arc contact ⁇ piece and the rated current contact piece remain relative to each other in Ru- he, but there are with respect to a common base in motion.
  • the rated current contact pieces first approach one another, while the arcing contact pieces remain in a field shadow of the respective assigned rated current contact piece.
  • a switch-on process serves to form a closed current path for conducting an electric current.
  • a current-loaded switching element can be used both during a switch-on process and during a switch-off process.
  • the two contact sides can before and have different electrical potentials ⁇ Po during a switch-on operation.
  • According to a turn-on between the contact sites may already be an electric field in front of a A ⁇ set. With reduction of distance between the contact sites takes the electric field strength to ⁇ .
  • the rated current contact pieces first approach, the arcing contact pieces remaining in the field shadow of the respective rated current contact piece.
  • At least the contact areas of the arcing contact pieces should remain in the respective field shadow. So it is for example possible that initially only the first rated current contact piece and the second rated current contact piece to be moved while the LichtbogenAuthstü ⁇ blocks still remain in peace.
  • the rated current contact pieces should ⁇ th have a more favorable molding to homogenize an electric field than the LichtbogenWalletstü ⁇ blocks.
  • the field-influencing effect of Nennstromnapstü- bridge is used to neutralize an optionally field-weakening We ⁇ effect of arcing contact pieces.
  • Arc contact pieces can be dispensed with additional Schirmungsele ⁇ elements.
  • the arcing contact pieces are already approximated while remaining in the field shadow.
  • the period of approach of the rated current contact pieces can be used to the switching device vorzuberei ⁇ th for leakage of the arcing contact pieces from the field shadow.
  • At least one of the arcing contact pieces can be moved competi- synchronously ⁇ play, with a rated current contact piece, so that the arcing contact pieces ⁇ Hern each nä and finally leave the field shadow of the rated current contact piece.
  • an arcing contact piece (at least temporarily) with a greater speed than the associated rated current contact piece, in order to approach the other arcing contact piece.
  • the two arcing contact pieces can move ⁇ identical with or different movement profiles have sawn from one another is there. Regardless of the type of approach of the arcing contact pieces, both arcing contact pieces of the contact sides should preferably be accelerated horizontally within the field shadow of the rated current contact pieces. This makes an exact, rapid exit from the field shadow of the respective rated current contact piece possible.
  • the arcing contact pieces weaken the rated current contact pieces located between the electric field so that the field ⁇ strength peaks occur at the arcing contact pieces and passing blows preferably occur between the arcing contact pieces.
  • a definition of the critical distance takes place as a function of the contact geometry of the electrical switching device, the insulating medium used and the applied electrical potential difference. Connected to the critical distance is a critical field strength, which can be expected occurrence of a Ein ⁇ switching arc between the rated current contact pieces. Until the critical distance is reached, the more favorable shaping of the rated current contact pieces can be used in order to initially approximate the contact sides to one another. Only at this time, the protective effect of the arcing contact pieces is necessary. A premature field weakening by unshielded arcing contact pieces is avoided. The protective effect of the arcing contact pieces begins with a stepping out of the field shadow. At least the contacting areas of the arcing contact pieces should leave the respective field shadow.
  • the rated current contact pieces switching operation separate and subsequently he ⁇ followed by a separation of the arcing contact pieces and voneinan ⁇ of a separation of the arcing contact pieces with a relative speed which Annae ⁇ hernd has its maximum during a disconnection.
  • an electrical current flowing during the interruption of the current path to be switched can be interrupted.
  • an electric current to be interrupted commutes on the arcing contact pieces which are initially in galvanic contact with each other.
  • the electrical current within a fluid insulating medium surrounding the arcing contact pieces may initially be in the form of a firing current
  • the resulting relative speed can be adjusted.
  • the arcing contact pieces can be relatively slowly moved toward each other during a disconnection process, first, in order to prepare a separation of the arcing contact pieces, and ⁇ nearest the rated current contact pieces separate from each other to read ⁇ sen to be accelerated thereafter to obtain a high contract separation speed.
  • a return of the arcing contact pieces in the field ⁇ shadow of the associated rated current contact pieces supports solidification of the switching path at an early stage.
  • the arcing contact pieces are dielectrically neutralized after a particularly complete immersion in the field shadows, so that the distribution of the electric field is influenced by the rated current contact pieces.
  • field strength peaks preferably occur at the arcing contact pieces.
  • Arc contact piece is moved during a switching operation relative to a particularly rigidly connected to the first rated current contact piece Isolierdüse.
  • An insulating nozzle can interact with the contact pieces, in particular with the arcing contact pieces of the switching device.
  • the insulating nozzle can have a nozzle channel within which a switching arc is guided. This should (in particular its Kon ⁇ takt ists Schemee) be at least partially and / or at least partly enclosed by the insulating nozzle, the arcing contact pieces.
  • the insulating nozzle can be made in one or more parts.
  • the insulating nozzle should be a body of revolution having a duri ⁇ fenden in the direction of the axis of rotation, in particular centrically nozzle channel.
  • the first arcing contact piece may, for example, have a bushing-shaped contacting region, wherein the bushing represents a mouth opening of a channel of the first arcing contact piece.
  • the first arcing contact piece should preferably be formed as a tubular contact piece.
  • the first arcing contact piece should be arranged with its mouth opening in front of an orifice opening of the nozzle channel.
  • the contacting area of the first arcing contact piece should be encompassed by the insulating nozzle. In a relative movement of the first arcing contact piece to the Isolierdüsenanowski the distance between the mouth openings should vary. Thus, between the mouth openings, a width-variable gap is formed, which is filled with an insulating fluid.
  • the mouth opening of the nozzle channel can open into a recess of the insulating nozzle.
  • the first arcing contact piece in particular complementary in shape protrude.
  • the insulating nozzle may be ist ⁇ based on the first contact side.
  • the insulating nozzle should be rigidly connected to the first rated current contact piece and movable with it.
  • the first contact side can be equipped with a Schuvo ⁇ lumen for temporary storage of switching gas.
  • the insulating, this heating volume at least in part ⁇ as limiting.
  • the heating volume may, for example, be substantially hollow-cylindrical in shape and penetrated by the first arcing contact piece movable relative to the heating volume.
  • the heating volume can be limited, for example, on the outside of the shell by the first rated current contact piece.
  • Arc contact is moved to the insulating during a switch-on.
  • a gap between the arcing contact piece and the insulating nozzle can be reduced.
  • an approximation of the mouth ⁇ openings additionally leads to an increase in the contacting speed at a switch-on.
  • the switching device is already prepared with a switch-on to a switch-off.
  • the first arcing contact piece is removed from the insulating nozzle during a switch-off operation.
  • the insulating nozzle has electrically insulating material, for example an organic plastic such as PTFE.
  • an increased amount of electrically insulating fluid can be introduced into the gap with increasing spacing.
  • a transition between fluid and solid insulation can be made more dielectrically more stable. Consequently, an improved electrical insulation strength of the switching path is given in the off state.
  • Another object is to provide a suitable switching device for carrying out the method.
  • a switching device with egg ⁇ ner first contact side which is relative to a second contact face movable, wherein the first contact side having a ers ⁇ tes rated current contact piece and a first arc contact ⁇ piece and the second contact side, a second light ⁇ arc contact piece and a second rated current contact piece, wherein for generating a relative movement between the first contact side and the second contact side, the first light ⁇ bow contact piece and the first rated current contact piece and the second arcing contact piece and the second rated current contact piece are driven, wherein a first kinematic chain, a drive means and a first output means and second having output means, said first Abtriebsmit ⁇ tel couples a first motion profile to the first clock Nennstromkon ⁇ piece and the second output means is a deviate ⁇ and fair second motion profile to the first clock ⁇ Lichtbogenkon piece coupled and a second kinematic chain has a drive means and a first output means and second Ab ⁇ driving means,
  • a kinematic chain is used to transmit a movement between two points.
  • a kinematic chain comprises at least ⁇ a machine component to be transferred by means of which Bewegun ⁇ gen.
  • a kinematic chain can play, comprise at ⁇ a connecting rod which transmits movements.
  • kinematic chains may have a plurality of machine components, which are in operative connection with each other, such as, for. As shafts, levers, gears, racks, cranks, transmission elements, etc. have.
  • a motion transmitted by a kinematic chain can be transformed, reshaped, decoupled, distributed, etc. within the kinematic chain.
  • a kinematic chain may act as a transmission having at least one input side and at least one output side.
  • the transmission can be a Antriebsmit ⁇ tel, on the output side having an output means.
  • a drive means takes driving energy for moving one or more contact pieces, an output means outputs ⁇ drive energy directly or indirectly to one or more contact pieces from.
  • drive and / or output means for example, a variety of machine components can be used such.
  • As shafts, levers, gears, cranks, bolts, rods, etc. drive side and output side may be, for example, input and output side of the kinematic chain.
  • the kinematic chain can convert a drive-side fed movement and output on the output side. However, it can also be provided that on the drive side and the output side at least approximately similar movements before ⁇ lie.
  • the kinematic chain can be a transmission.
  • a movement can be fed and various motion profiles are delivered. So it is for example possible to use a ge ⁇ my same drive device, which couples motion to the drive means of a kinematic chain or more kinematic chains, wherein the waste Driven different motion profiles are coupled or coupled to the respective switching contact piece.
  • a kinematic chain it is also possible to output several motion profiles synchronized to one another on the output side.
  • first or the second output means of the first kinematic chain is connected to a drive means of the second kinematic chain.
  • first or the second output means via an electrically insulating
  • Transmission element with the second kinematic chain is ver ⁇ connected.
  • An electrically insulating transmission element counteracts carry-over of electrical potentials.
  • components of the first and second kinematic chains on different contact sides with divergent electrical potentials.
  • Insulating sleeves, insulating bearings, Iso ⁇ lier lever, etc. are used as electrically insulating mecanicsele- elements.
  • the electrically insulating component should have an electrically insulated section in the region of a switching path of the switching device limit, so that both sides of the switching path located transmission elements of the kinematic chains are connected to each other, but short-circuit current paths are interrupted by the electrically insulating element.
  • an insulating nozzle can be used as the transfer element.
  • the insulating nozzle can serve, for example, the steering and guiding a switching ⁇ arc.
  • the insulating nozzle can serve to transmit a drive movement as part of a kinematic chain.
  • Figure 2 which is known from Figure 1 switching device in the ON state, Figures 3 to 6 shift sequence for transferring the switching ⁇ means of an on state (Fig. 2) a first embodiment of a ers ⁇ th in an off state (Fig. 6), the figure 7 Reduction gear and the
  • Figure 8 shows a second embodiment of a
  • FIG. 1 shows a section through a switching device.
  • the switching device has an encapsulating housing 1.
  • the encapsulating housing 1 has a substantially tubular metallic body on.
  • the main body carries ground potential.
  • the encapsulating housing 1 has a longitudinal axis 2.
  • the encapsulating housing 1 is filled with an electrically insulating fluid.
  • a pressure-over-standing insulating gas such as sulfur hexafluoride, stick ⁇ , carbon dioxide o. ⁇ .
  • End-side openings in the encapsulating housing 1 are each sealed fluid-tight with a lid.
  • a first Flanschstut ⁇ zen 3 and a second flange 4 are arranged on the encapsulating 1.
  • the first and second Flanschstutzen 3, 4 nen ⁇ an electrically insulated introduction of phase conductors of a current path to be switched.
  • the phase conductors are encompassing, the flange stoppers 3, 4 closing Scheibenisola ⁇ tors with the flange 3, 4 connected.
  • outdoor bushings on the flange 3, 4 may be arranged to incorporate the switching device, for example, in an overhead line system.
  • a breaker device ⁇ standardize the electrical switching device is arranged in the interior of the encapsulating housing 1 .
  • the interrupter unit extends centrally in the housing 1 Kapselungsge ⁇ along the longitudinal axis 2.
  • the interrupter unit is surrounded by the electrically insulating fluid and flushed.
  • support insulators are used, of which a support insulator 5 is exemplified.
  • the interrupter unit has a first contact side 6 and a second contact side 7.
  • the two contact sides 6, 7 are mounted relative to each other movable.
  • the first contact side 6 is slidably mounted in a first support member 8.
  • the second contact side 7 is slidably mounted in a second support member 9.
  • the two support elements 8, 9 are designed to be electrically conductive and each contacted with one of the guided through the flange 3, 4 phase conductors.
  • the two support elements 8, 9 are stationary relative to one another and arranged stationary to the encapsulating housing 1.
  • the two carrying Elements 8, 9 are formed as substantially rotationally symmetrical hollow body whose axes of rotation are aligned coaxially to the longitudinal axis 2. End faces of the support elements 8, 9 are facing each other and arranged spaced from each other.
  • the mutually facing end faces of the support elements 8, 9 are connected to one another via an insulating body 10, so that the two support elements 8, 9 form a chassis of the interrupter unit with the insertion of the insulating body 10.
  • the insulating body 10 is formed as a bulbously widened hollow body which receives in its interior a switching path between the first contact side 6 and the second contact side 7.
  • insulator 10 for example, cage-like rod structures or the like can be used.
  • the first contact and the second contact page 6 page 7 seated slidably in a respective socket of the first or second bearing element 8, 9 and are electrically conductively connected to the supporting elements 8 ⁇ contacted. 9
  • the first contact side 6 has a first arcing contact piece 11.
  • the first contact side 6 has a first rated current contact piece 12.
  • the first arcing contact piece 11 has a tubular design and is provided at the end with a bushing-shaped contacting region. In its interior a channel for the discharge of switching gas is arranged.
  • the bush-shaped contacting region serves as the mouth opening of the channel of the first arcing contact piece 11.
  • the first arcing contact piece 11 is aligned coaxially with the longitudinal axis 2 and can be moved along the longitudinal axis 2.
  • the first arcing contact piece 11 is encompassed by the tubular first rated current contact piece 12.
  • the first rated current contact piece 12 is displaceable along the longitudinal axis 2 relative to the first arcing contact piece 11.
  • the second arcing contact piece 13 On the second contact side 7 is a second arcing contact piece 13 arranged.
  • the second arcing contact piece 13 is designed bolt-shaped and mounted coaxially to the longitudinal axis 2 ver ⁇ displaceable.
  • the second arcing contact piece 13 is encompassed by a substantially tubular second nominal current contact piece 14.
  • the second rated current contact piece 14 and the second arcing contact piece 13 are movable relative to one another and along the longitudinal axis 2.
  • a heating volume 15 is arranged in a hollow cylindrical space between the first rated current contact piece 12 and the first arcing contact piece 11.
  • the heating volume 15 is limited on its side facing the second contact set 7 by an insulating nozzle 16.
  • the insulating nozzle 16 is rigidly connected to the first rated current contact piece 12, so that movements of the first rated current contact piece 12 are performed together with the insulating nozzle 16.
  • the first Lichtbo ⁇ gentitle choir 11 is movable relative to the first rated current contact piece 12 and the insulating nozzle 16.
  • the insulating nozzle 16 has a main portion and an auxiliary portion, wherein the main portion and auxiliary portion via an annular channel 17, which connects a nozzle channel with the heating volume 15, are spaced from each other.
  • the annular channel 17 opens into the nozzle channel from radial directions.
  • the nozzle channel extends in an elongated direction in the direction of the longitudinal axis 2 centrally through the rotationally symmetrical insulating nozzle 16.
  • the end-side mouth openings of the nozzle channel are each facing one of the arcing contact pieces 11, 14.
  • the opening of the nozzle channel facing the first arcing contact piece 11 opens into a recess of the insulating nozzle 16.
  • the first arcing contact piece 11 dips into the recess, so that the bushing-shaped contacting region of the first arcing contact piece 11 faces the opening end of the insulating nozzle 16 as the mouth opening.
  • the first arcing contact 11 is complementary to the shape in the recess (the insulating nozzle 16), in which the nozzle channel opens, used.
  • the variable gap is encompassed on the circumference in front of the insulating nozzle 16.
  • a drive device is arranged outside the space enclosed by the housing 1 Kapse ⁇ lung space. A movement delivered by the drive device not shown in FIG. 1 is transmitted in a fluid-tight manner via a drive rod 18 through a wall of the encapsulation housing 1 to the internal interrupter unit.
  • ⁇ drive rod 18 is configured to perform a substantially line are ⁇ movement.
  • the drive rod 18 is located with its rod axis on the longitudinal axis 2 of the Kapselungsgeophu ⁇ ses 1 and is movable in the direction of the longitudinal axis 2.
  • the check rod 16 is a drive means of a first rule kinemati ⁇ chain.
  • the first kinematic chain has a first reduction gear 19.
  • the 19 of the first kinematic chain comprises a first power take-off ⁇ medium 20 and a second output means 21st
  • the first output means 20 is coupled to the first rated current contact piece 12.
  • the second output means 21 is coupled to the first arcing contact piece 11.
  • the insulating nozzle 16 With the first rated current contact piece 12, the insulating nozzle 16 is connected rigid angle. The insulating nozzle 16 spans the switching path located between the contact sides 6, 7 in an electrically insulating manner. The insulating nozzle 16 protrudes into the second rated current contact piece 14 and is located on the second
  • the second arcing contact piece 13 can immerse ⁇ ⁇ chen into the nozzle channel of the insulating sixteenth During a switching movement, the insulating nozzle 16 emerges into the second rated current contact piece 14. At the side facing away from the first rated current contact piece 12 end of the connecting rod 22 / the insulating nozzle 16 is on the insulating nozzle 16, a connecting rod 22 rotatably engaged schla ⁇ gen. Constitutes a second drive means of a second kinematic chain comprising a second reduction gearbox 23.
  • the second sub ⁇ reduction gear 23 has a stationary on the second Tragele ⁇ ment 9 positioned crank arm 24.
  • the crank arm 24 is connected to the connecting rod 22, so that a linear movement of the insulating nozzle 16 can be converted into a rotational movement of the crank arm 24.
  • the crank arm 23 further includes a link in which engages a sensing pin.
  • the Ab ⁇ sensing pin is transverse to the longitudinal axis 2 aligned and intersects the longitudinal axis 2.
  • the feeler is angularly rigid with the second rated current contact piece 14 and together with it along the longitudinal axis 2 slidably.
  • the sensing pin acts as the first output means of the second kinematic chain.
  • a rotary motion is converted into a linear movement and coupled to the second rated current contact piece 14.
  • the driving linear movement of the drive means in this case has an opposite Rich ⁇ direction sense to the movement of the second rated current contact piece 14. Due to the shape of the gate, a certain movement profile is further impressed on the second rated current contact piece 14.
  • the second arcing contact piece 13 is slidably mounted.
  • the second arc contact piece 13 has, at its end facing away from the contacting region, a hammer head which is mounted to slide in a linearly displaceable manner in a recess.
  • a pivot point of a two-armed lever 25 is further arranged, one lever arm slidably in a slot of the hammer head of the second
  • Arc contact piece 13 is guided. With its other lever arm of the two-armed lever 25 engages in a stationary slide passage 26 a.
  • the stationary sliding stage 26 is win- karrstarr connected to the second support element 9.
  • the second rated current contact piece 13 is moved along the longitudinal axis 2. Accordingly, the pivot point of the two-armed lever 25 is moved along.
  • the two-armed lever 25 scans the stationary slide passage 26 and is pivoted as a result of a progression of a movement of the second rated current contact piece 14 as a function of the course of the fixed slide passage 26. This Schwenkbewe ⁇ tion is transmitted via the slot in the hammer head of the second arc contact piece 13 on the arcing contact piece 13.
  • the two-armed lever 25 acts as a second output ⁇ medium of the second kinematic chain.
  • the first output means 20 of the first kinematic chain is connected to the drive means of the second kinematic chain, wherein the insulating nozzle 16 serves as an electrically insulating transmission element.
  • the first arcing contact piece 11 is immersed in a recess of the insulating nozzle 16 and has a minimum distance to the facing orifice of the nozzle channel.
  • a movement is coupled to the drive rod 18.
  • the first rated current contact piece 12 is removed from the second rated current contact piece 14.
  • a movement is applied to the first arcing contact piece 11, which moves away from the second arcing contact piece 12.
  • the first arcing contact ⁇ piece 11 is also removed from the insulating nozzle 16 so that the gap to the orifice of the nozzle channel enlarged. ßert. Due to the operation of the first Unterschge ⁇ drive 19, the first arcing contact piece 11 moves faster than the first rated current contact piece 12 (see FIG. FIG. 7 and related description). Via the insulating nozzle 16 and the connecting rod 22, a movement of the first kinematic chain is transmitted to the crank arm 24.
  • the set of the crank arm 24 has such a shape (concentric circular path around the crank pivot point) that initially no movement can be transmitted to the second rated current contact piece 14 and the second arc contact piece 13 (FIG. 2).
  • a breaking current on the arcing contact pieces 11, 13 mutates.
  • a movement of the second rated current contact piece 14 commences. Consequently, the second arcing contact 13 is first moved at the same speed as the second rated current contact piece 14. After a separation of the rated current contact pieces 12, 14 there is a separation of the arcing contact pieces 11, 13 (FIG. 4).
  • the first reduction gear 19 is shown in detail in a first embodiment variant.
  • the first reduction gear 19 has a one-armed He ⁇ bel 27.
  • the one-armed lever 27 is fixedly mounted on the first support member 8 pivotally.
  • the drive rod 18 is rotatably connected by means of a bolt with the one-armed lever 27.
  • the bolt also passes through an oblong hole of the first output means 20.
  • the first output means 20 is substantially tubular, with the first nominal Current contact piece 12 and the insulating nozzle 16 are connected to the output means 20.
  • About the slot of the first output means 20 can be compensated for occurring during pivoting of a ⁇ arm lever 27 overtravel, while the rotatable connection between the drive rod 18 and one-armed lever 27 is balanced over the bolt by an elastic deflection of the drive rod 18.
  • the second output means 21 is guided displaceably in the interior of the tubular first output means 20.
  • a shell-side contained in the first output opening means 20 extends an offset of the second driven means 21 from the In ⁇ partners of the first output means 20.
  • the offset of the second driven means 21 is connected to the one-armed lever.
  • the offset has for this purpose a slot in which a pin of the one-armed lever 27 engages.
  • 21 is the Dis ⁇ dance of the pin from the pivot point of the rocker arm 27 RESIZE ⁇ SSER than the distance of the pin from the pivot point of the rocker arm 27. Accordingly, the second driven element 21 is moved faster than the first driven means 20.
  • FIG. 8 shows a second variant of a first reduction gear 19a.
  • the drive rod 19 is bolted directly to the first Ab ⁇ driving means 20.
  • a movement of the drive ⁇ rod 18 is transmitted directly to the first output means 20 and the first rated current contact piece 12 and the insulating nozzle 16.
  • the drive rod 18 as a drive means thus moves similar to the first output means 20.
  • a two-armed lever 28 is rotatably mounted.
  • a first lever arm of the reversing lever 28 is connected to the second output means 21.
  • the second output means 21 has a slot in which slides a pin of the first lever arm.
  • an overstroke of the first lever arm can be compensated during a swing.
  • a second lever arm of the reversing lever 28 is equipped with a scanning element, which engages in a slot ⁇ , which is fixedly connected to the first support member 8.
  • the link has at each end to a parallel course to the movement axis of the first Lichtbogenuttonstü ⁇ ckes. 11
  • a central region of the gate has a pitch with respect to the axis of movement of the first arcing contact piece 11.
  • the second Ab ⁇ drive means 21 for the first rated current contact piece 12 moves relatively faster or slower.
  • the movement profile of the second output means 21 can be varied by shaping the slide.
  • the second output means 21 is connected to the first arcing contact piece 11.
  • the first rated current contact piece 12 and the first arcing contact piece 11 are moved with different motion profiles.

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Circuit Breakers (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

Procédé de coupure pour un dispositif de coupure présentant une première face de contact (6), mobile par rapport à une deuxième face de contact (7), la première face de contact (6) comprenant un premier élément de contact de courant nominal (12) et un premier élément de contact d'arc électrique (11), et la deuxième face de contact (7) comprenant un deuxième élément de contact d'arc électrique (13) et un deuxième élément de contact de courant nominal (14). Pour générer un mouvement relatif entre la première face de contact (6) et la deuxième face de contact (7), le premier élément de contact d'arc électrique (11) et le premier élément de contact de courant nominal (12) ainsi que le deuxième élément de contact d'arc électrique (13) et le deuxième élément de contact de courant nominal (14) sont entraînés. Selon le procédé, lors d'une opération de coupure, le premier élément de contact d'arc électrique (11) est déplacé selon un profil de mouvement et le premier élément de contact de courant nominal (12) est déplacé selon un profil de mouvement, les profils de mouvement du premier élément de contact d'arc électrique (11) et du premier élément de contact de courant nominal (12) étant différents, et le deuxième élément de contact d'arc électrique (13) est déplacé selon un profil de mouvement et le deuxième élément de contact de courant nominal (14) est déplacé selon un profil de mouvement, les profils de mouvement du deuxième élément de contact d'arc électrique (13) et du deuxième élément de contact de courant nominal (14) étant différents.
EP14700818.9A 2013-01-22 2014-01-07 Procédé de coupure et dispositif de coupure Not-in-force EP2923369B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013200914.3A DE102013200914A1 (de) 2013-01-22 2013-01-22 Schaltverfahren und Schalteinrichtung
PCT/EP2014/050135 WO2014114484A1 (fr) 2013-01-22 2014-01-07 Procédé de coupure et dispositif de coupure

Publications (2)

Publication Number Publication Date
EP2923369A1 true EP2923369A1 (fr) 2015-09-30
EP2923369B1 EP2923369B1 (fr) 2017-05-17

Family

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Application Number Title Priority Date Filing Date
EP14700818.9A Not-in-force EP2923369B1 (fr) 2013-01-22 2014-01-07 Procédé de coupure et dispositif de coupure

Country Status (7)

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US (1) US9460873B2 (fr)
EP (1) EP2923369B1 (fr)
CN (1) CN104956457B (fr)
AU (1) AU2014210106B2 (fr)
DE (1) DE102013200914A1 (fr)
RU (1) RU2619272C2 (fr)
WO (1) WO2014114484A1 (fr)

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DK3252793T3 (da) * 2016-06-03 2021-04-12 Abb Schweiz Ag Omskifteranordning med dobbelt ledende hus
DE102016226034A1 (de) * 2016-12-22 2018-06-28 Siemens Aktiengesellschaft Elektrische Schalteinrichtung
EP3828909B1 (fr) * 2019-11-29 2023-09-13 General Electric Technology GmbH Disjoncteur à double mouvement non linéaire simplifié
CN117393363A (zh) * 2023-11-14 2024-01-12 国网宁夏电力有限公司 一种双动式高压六氟化硫断路器传动装置

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SU1026184A1 (ru) * 1982-03-05 1983-06-30 Научно-Исследовательский,Проектно-Конструкторский И Технологический Институт Высоковольтного Аппаратостроения Ленинградского Производственного Объединения "Электроаппарат" Коммутационное устройство
DE19622460C2 (de) * 1996-05-24 1998-04-02 Siemens Ag Hochspannungs-Leistungsschalter mit zwei antreibbaren Schaltkontaktstücken
EP0953199B1 (fr) * 1997-01-17 2001-12-05 Siemens Aktiengesellschaft Disjoncteur haute tension a electrode de champ mobile axialement
FR2817389B1 (fr) * 2000-11-30 2003-01-03 Schneider Electric High Voltag Appareillage de coupure electrique haute tension a double mouvement
KR100675984B1 (ko) 2005-07-12 2007-01-30 엘에스산전 주식회사 가스절연 차단기
JP5178644B2 (ja) * 2009-06-29 2013-04-10 株式会社東芝 投入抵抗接点付きガス遮断器及びその投入、遮断方法
FR2962252B1 (fr) * 2010-07-01 2013-08-30 Areva T & D Sas Chambre de coupure pour disjoncteur a moyenne ou haute tension a energie de manoeuvre reduite
CN103518246A (zh) * 2011-05-13 2014-01-15 Abb技术有限公司 双动作式运动气体绝缘型断路器
DE102011083588A1 (de) * 2011-09-28 2013-03-28 Siemens Aktiengesellschaft Anordnung aufweisend eine Leistungsschalterunterbrechereinheit
DE102012200238A1 (de) * 2012-01-10 2013-07-11 Siemens Aktiengesellschaft Elektrisches Schaltgerät
US20140175061A1 (en) * 2012-12-20 2014-06-26 Abb Technology Ag Electrical switching device with a triple motion contact arrangement

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Also Published As

Publication number Publication date
CN104956457A (zh) 2015-09-30
WO2014114484A1 (fr) 2014-07-31
AU2014210106B2 (en) 2017-03-16
US9460873B2 (en) 2016-10-04
EP2923369B1 (fr) 2017-05-17
AU2014210106A1 (en) 2015-07-16
RU2619272C2 (ru) 2017-05-15
CN104956457B (zh) 2018-10-16
DE102013200914A1 (de) 2014-07-24
US20150364280A1 (en) 2015-12-17
RU2015135385A (ru) 2017-03-03

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