EP1961027B1 - Sectionneur de charge pour poste de commutation blinde, et systeme d'aimant permanent pour sectionneur de charge - Google Patents

Sectionneur de charge pour poste de commutation blinde, et systeme d'aimant permanent pour sectionneur de charge Download PDF

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Publication number
EP1961027B1
EP1961027B1 EP06830547.3A EP06830547A EP1961027B1 EP 1961027 B1 EP1961027 B1 EP 1961027B1 EP 06830547 A EP06830547 A EP 06830547A EP 1961027 B1 EP1961027 B1 EP 1961027B1
Authority
EP
European Patent Office
Prior art keywords
permanent magnet
magnet system
fixed contact
load interrupter
interrupter according
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.)
Active
Application number
EP06830547.3A
Other languages
German (de)
English (en)
Other versions
EP1961027A1 (fr
Inventor
Rolf Dirks
Frank HÖRTZ
Vedad Karic
Peter Schmitt
Jörg Teichmann
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
Siemens Corp
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, Siemens Corp filed Critical Siemens AG
Publication of EP1961027A1 publication Critical patent/EP1961027A1/fr
Application granted granted Critical
Publication of EP1961027B1 publication Critical patent/EP1961027B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/18—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H01H33/182—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using permanent magnets
    • 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
    • H01H33/123—Load break switches in which the auxiliary contact pivots on the main contact-arm and performs a delayed and accelerated movement
    • 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
    • H01H1/42—Knife-and-clip contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/18—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H01H33/187—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet comprising a hollow annular arc runner and a central contact between which a radially drawn arc rotates

Definitions

  • the invention relates to a switch-disconnector for an encapsulated gas-insulated switchgear with at least one contact system, which comprises a fixed contact arrangement and a pivotable moving contact arrangement and a fixed contact arrangement associated permanent magnet system, each with a single permanent magnet for each fixed contact the fixed contact arrangement.
  • Such a load-break switch is out of GB 2 218 262 A known.
  • the disclosed therein load-disconnect rotary switch comprises two diametrically opposed fixed contacts as a fixed contact arrangement as well as arranged on a switching shaft rotary knife as Bewegumblean eleven.
  • each permanent magnets are arranged as permanent magnet system in this load-disconnect rotary switch.
  • This arrangement of the permanent magnets causes a shift of an arc, which arises upon opening of the contact system, such that an arc base shifts by magnetic blowing in a shadow position on the fixed contact arrangement, whereby a re-ignition after the natural extinguishment of the arc is prevented after a current zero crossing.
  • Object of the present invention is to form a load-break switch of the type mentioned above, which has a simple and inexpensive construction with a high switching capacity.
  • this object is achieved in that the permanent magnet system is outside of the fixed contact arrangement in a region between a first determined by a movement path of the Bewegumblean onion limit position and a second determined by the fixed contact arrangement limit position is held galvanically connected thereto such that a when opening the circuit breaker emerging arc extends to the permanent magnet system.
  • an arc-extinguishing device for the load-break switch is formed in a simple manner, because the permanent magnet system is mounted without special design of the fixed contact arrangement outside of this. With such an arrangement, a tripping of the arc from the fixed contact arrangement to the permanent magnet system is ensured in a simple manner.
  • the permanent magnet system is arranged with its bottom side facing a resulting arc when opening the contact system. Such an arrangement ensures in a simple manner an interaction of the arc with the magnetic field of the permanent magnet system.
  • the annular permanent magnet is arranged such that it surrounds the fixed contact. Even with such an arrangement, a crossing of the arc from the fixed contact arrangement on the permanent magnet system is made possible in a simple manner.
  • the permanent magnet system is arranged at an angle between 65 ° and 75 ° to align the fixed contact arrangement.
  • a follower contact is articulated to the BewegCountan eleven, wherein between the follower contact and the permanent magnet system up to an opening limit angle between the fixed contact arrangement and the BewegCountan Aunt a galvanic connection is formed, and at a greater angle than the opening limit angle, the galvanic connection between the Following contact and the permanent magnet system is separated.
  • the follow-up contact is in the closed contact system on the fixed contact arrangement and changes when opening the contact system while maintaining the electrical connection with the fixed contact arrangement for permanent magnet system and lifts on reaching the opening limit angle, the electrical connection.
  • material removal from the fixed contact arrangement by the arc is advantageously completely avoided.
  • the follow-up contact is applied to the permanent magnet system when the contact system is closed and, when the opening limit angle is reached, the galvanic connection is lifted.
  • the object is achieved in a further variant in that on the BewegCountan eleven a follower contact with arranged thereon permanent magnet system is articulated, between the follower contact and the fixed contact arrangement up to an opening limit angle between the fixed contact and the Beweggrontaktan ever a galvanic connection is formed, and at a greater angle than the opening limit angle, the electrical connection between the follower contact and the fixed contact arrangement is separated.
  • an arc extinguishing device for the load disconnector is formed in a simple manner, because the permanent magnet system is arranged without special design of the fixed contact arrangement in a simple manner to the trailing contact.
  • the moving contact arrangement is not loaded by the arc at all.
  • the permanent magnet system comprises a rotationally symmetric permanent magnet, which lies in an envelope of conductive material.
  • a magnetic field is advantageously formed, which has areas with a parallel to the surface of the magnet field, whereby a Lorentz force on the resulting arc when opening the contact system acts such that the arc causes a rotation along the rotationally symmetric permanent magnet is, with the sheathing on the one hand destruction of the permanent magnet is prevented in a simple manner and on the other hand, the galvanic connection with the fixed contact arrangement is simple.
  • the envelope is a pan formed of a non-magnetic metal and shields the permanent magnet on the sides facing the arc.
  • Non-magnetic metals for example copper or zinc, are advantageous for forming a shield which protects the permanent magnet against destruction by the arc and which is in galvanic connection with the fixed contact arrangement.
  • the pan is closed on a side facing away from the arc by means of a cover plate.
  • a cover plate which is preferably formed of iron, provides a simple, inexpensive way to close the pan to protect the permanent magnet.
  • the lens increases the effective magnetic field through the iron yoke.
  • the envelope is toroidal and receives an annular permanent magnet.
  • the sides of the permanent magnet facing the arc are advantageously shielded in order to prevent destruction of the permanent magnet.
  • a fastening means has a fastening region for holding the permanent magnet system to the respective fixed contact and a support region for the envelope of the permanent magnet system, wherein the support region comprises an arc running track.
  • a fastening means is particularly advantageous because on the one hand a galvanic connection of the enclosure of the permanent magnet system with the fixed contact arrangement is made possible and on the other hand particularly advantageous already formed by the support area an arc track is, so that the permanent magnet system and in particular the envelope are protected by the arc run of the support area against burn-off by the arc.
  • the enclosure comprises a base part with a bottom and a cylindrical wall and a cover plate with a smaller diameter than that of the hollow cylindrical wall, wherein in the base part and in the cover plate, a central passage opening is provided.
  • a casing advantageously creates an iron yoke for the permanent magnet system, so that a strong radial magnetic field is formed for accelerating an arc root point.
  • the cover plate and hollow cylindrical wall have different radii, so that between them a gap is formed, which further amplifies the radial magnetic field.
  • a fastening of the envelope is formed on the fastening means in a simple manner.
  • an insulation cover for the permanent magnet system which comprises a cover ring with a recess and a cover part, which can be latched by means of latching means on the fastening means.
  • the permanent magnet is an annular magnet with axial magnetization.
  • a magnet is inexpensive and advantageously has a magnetic field which comprises a plurality of regions with field lines running parallel to the surfaces of the magnet.
  • the permanent magnet is an annular magnet with radial magnetization.
  • Such a magnet has a magnetic field with regions of field lines running parallel to the surfaces of the magnet.
  • the permanent magnet is formed of a neodymium-boron-iron composition.
  • a permanent magnet advantageously provides a high value of the magnetic field strength and a large demagnetization resistance.
  • the permanent magnet is formed of a samarium-cobalt composition. Such a permanent magnet is advantageously used at higher temperatures.
  • the permanent magnet is formed from a hard ferrite.
  • Hard ferrites are advantageously inexpensive to form permanent magnets.
  • Particularly preferred hard ferrites are strontium ferrite or barium ferrite.
  • the invention further relates to a permanent magnet system for a switch-disconnector, which for an encapsulated gas-insulated switchgear with at least one contact system, which has a fixed contact arrangement and a moving contact arrangement comprises, which permanent magnet system is assigned to the fixed contact arrangement, is provided.
  • Object of the present invention is to develop such a permanent magnet system such that it allows for a high switching capacity a simple and inexpensive construction of the circuit breaker.
  • this object is achieved in a permanent magnet system in that the permanent magnet system has an outer fastening means for holding the permanent magnet system to the respective fixed contact arrangement and for galvanic connection to the fixed contact arrangement.
  • a fastening means has a fastening region for holding the permanent magnet system to the respective fixed contact arrangement and a support region for the enclosure of the permanent magnet system, wherein the support region comprises an arc path.
  • an enclosure comprises a base part with a bottom and a hollow cylindrical wall and a cover plate with a smaller diameter than the hollow cylindrical wall, wherein a central passage opening is provided in the base part and in the cover plate.
  • an insulation cover for the permanent magnet system which comprises a cover ring with a recess and a cover part, which can be latched by means of latching means on the fastening means.
  • FIG. 1 shows a switch-disconnector 1 according to the invention for a gas-insulated switchgear, in particular with SF6 or SF6 mixtures as insulating, the encapsulation is not shown figuratively, with a fixed contact assembly 2, which fixed contacts 3, 4 and 5 comprises.
  • the fixed contacts 3, 4 and 5 are mounted on a support 6, wherein a conductive connection is formed to a busbar assembly, not shown in the figure.
  • the switch-disconnector 1 further comprises a BewegCountan kann 7 with BewegCounten 8, 9, 10.
  • the BewegCode 8, 9 and 10 in the present embodiment are designed as a double blade moving contacts and attached to a switching shaft 11 which is rotatably mounted on a support 12 and by means a drive device, not shown, is driven.
  • a grounding contact arrangement 13 is provided with grounding contacts 14, 15 and 16.
  • the fixed contacts 3, 4 and 5 are fully rounded at their the BewegCounten 8, 9 and 10 facing sides 17, 18, 19, as well as the grounding contacts 14, 15, 16 on their sides 20, 21, 22, so that the closing of Contact system of fixed contact arrangement 2 and moving contact arrangement 7 or grounding contact arrangement 13 and moving contact arrangement 7 in a simple manner possible.
  • a permanent magnet system 23 is provided with permanent magnets 24, 25, 26 which are each shielded on their the Beweg.anordndung 7 facing sides by means of shells in the form of pans 27, 28, 29 and on their the BewegCountan kann 7 side facing away by means of end plates 30th , 31, 32, which are made of iron, for example, are completed.
  • the pans 27, 28, 29 are connected by means of fastening means 33, 34, 35 with the fixed contacts 3, 4, 5 electrically conductive.
  • the in the FIG. 1 shown position of the switch-disconnector corresponds to a disconnected position in which the BewegCountan ever 7 is neither with the fixed contact assembly 2 still with the grounding contact arrangement 13 in a conductive connection.
  • the BewegCountan effet 7 can by means of the drive device not shown figuratively via the switching shaft 11 between a position in which the BewegCountan effet nie 7 forms a conductive connection with the fixed contact assembly 2, and a position in which the BewegCountan kann 7 with the grounding contact assembly 13 forms a conductive connection, be pivoted.
  • FIG. 2 shows a detailed view of a contact system of the circuit breaker 1 from FIG. 1 with the fixed contact 3 and the moving contact 8 and the permanent magnet system 23 with the associated permanent magnet 24, which is arranged in the pan 27.
  • the permanent magnet 24 is covered on its side facing away from the moving contact 8 by the cover plate 30.
  • the pan 27 with the cover plate 30 is fixed by means of the fastening element 33 to the fixed contact 3 and is in a galvanic connection with this.
  • the separation process of BewegWallet 8 and fixed contact 3 has already progressed so far that a first between the moving contact 8 and the fixed contact 3 burning arc has already jumped on the pan 27 and continues to burn on this.
  • FIG. 3 shows an annular permanent magnet 24 with axial magnetization, whose respective poles are denoted by S and N, and corresponding field lines of the magnetic field are denoted by M.
  • S and N respective poles
  • M corresponding field lines of the magnetic field
  • three areas I, II, III are formed, in which the field lines extend parallel to the surface of the permanent magnet 24. If a current flows in the direction of the permanent magnet, as for example in the case of a burning arc, then this current experiences a Lorenz force by means of the magnetic field, which causes a rotation of the arc about the axis of rotation of the permanent magnet 24.
  • annular permanent magnet 24 with axial magnetization it is also possible to use an annular permanent magnet with a radial magnetization which likewise has regions with field lines extending parallel to the surface of the permanent magnet.
  • FIG. 4 shows by way of example various attachment positions of the permanent magnet system 23 to the fixed contact 3, which in the FIG. 4 is in a conductive connection with the moving contact 8.
  • C Denoted by C and shown in dashed lines is the movement path of the moving contact 8 during a switching operation, in which the contact system of fixed contact 3 and moving contact 8 is disconnected.
  • a lower first limit position D is determined by which the moving contact 8 closest position for the permanent system 23 is defined.
  • a second limit position E is defined, in which the permanent magnet system 23 can be attached to the fixed contact 3 next.
  • the permanent magnet system is shown with dotted or dashed line.
  • F Denoted by F is a mounting position for the permanent magnet system 23 at an angle ⁇ with respect to a horizontal axis of the circuit breaker. '
  • angle ⁇ position F represent a preferred arrangement position for the permanent magnet system 23 relative to the orientation of the fixed contact 3 of the fixed contact assembly 2, wherein the angle ⁇ between 65 ° and 75 ° relative to the orientation of the fixed contact assembly 2 is selected.
  • FIG. 5 a further embodiment for mounting the permanent magnet system 23 is shown on the fixed contact 3, in which the annular permanent magnet 24 both at its outer, at its base as well as on its inside by a voltage applied to the annular permanent magnet toroidal cladding 27 in the direction of Bewegumblees 8 or the movement path C of the moving contact 8 is shielded.
  • FIG. 6 shows a further embodiment of a circuit breaker 1 according to the invention, in which a follower contact 36 is articulated by means of a joint 37 to the moving contact 8. Shown dashed lines is the moving contact when the contact system is closed, and drawn through when the contact system is open.
  • the follower contact 36 is attached by means of a suitable spring mechanism, not shown, for example, a compression spring which cooperates with a stop element on the moving contact 8, so that in a separation process of the contact system of moving contact 8 and fixed contact 3 via the spring element of the trailing contact 36 a galvanic Connection between the moving contact 8 and the fixed contact 3 maintains, while the moving contact 8 and whose free end is already removed from the fixed contact 3, is.
  • a suitable spring mechanism not shown, for example, a compression spring which cooperates with a stop element on the moving contact 8, so that in a separation process of the contact system of moving contact 8 and fixed contact 3 via the spring element of the trailing contact 36 a galvanic Connection between the moving contact 8 and the fixed contact 3
  • the trailing contact 36 is finally prevented by means of the stop element figuratively not shown in its further movement, so that upon reaching a certain critical angle and the galvanic connection between the trailing contact 36 and the fixed contact 3 and the permanent magnet system 23 is interrupted. In this case, the arc burns between the trailing contact 36 and the permanent magnet 23 and is erased in the next zero current crossing.
  • FIG. 7 shows a further example of a circuit breaker, outside the invention, in a side and a front view, in which a follower contact 38 is arranged by means of a hinge 39 and the above-mentioned spring elements and stop elements not shown on the moving contact 8.
  • a follower contact 38 is arranged by means of a hinge 39 and the above-mentioned spring elements and stop elements not shown on the moving contact 8.
  • the contact as in the embodiment of FIG.
  • FIG. 8 is a further embodiment of the trailing contact of FIG. 6 shown, wherein the trailing contact 42 in the FIG. 8 also forms a conductive connection with the permanent magnet system 23, and when exceeding an opening limit angle between the moving contact 8 and the fixed contact 3 in a separation process, this electrical connection is disconnected and an arc between the follower contact 42 and the permanent magnet system 23 burns and is deleted in the next zero current passage. Shown in dashed lines is the moving contact 8 with the contact system closed, and shown in solid with the contact system open.
  • FIG. 9 shows a further embodiment of a circuit breaker according to the invention, in which a permanent magnet system 44 surrounds the fixed contact 3 annularly, wherein the permanent magnet 44 is again shielded by means of a pan 45 at least on its the moving contact 8 and the trajectory C of the moving contact 8 facing sides. Also in this arrangement, the magnetic field generated by the permanent magnet 44 acts on an arc such that it is caused to rotate and is finally extinguished in the next current zero crossing.
  • FIG. 10 is another example of a circuit breaker, shown outside the invention, in which a follower contact 46 via a hinge 47 and figuratively not shown spring elements and stop elements is arranged on the moving contact 8.
  • a permanent magnet system 48 having a permanent magnet 49 and a socket 50 for shielding the permanent magnet in the direction of the fixed contact 3.
  • an arc between the fixed contact 3 and the permanent magnet system 48 is ignited when separating moving contact 8 and fixed contact 3 , which is also rotated along the surface of the pan 50 due to the magnetic field generated by the permanent magnet 49 and deleted in the next zero current passage.
  • Shown dashed lines is the follower contact 46 with the permanent magnet system when the contact system is closed, and shown in solid lines when the contact system is open.
  • FIG. 11 shows an exploded view of a permanent magnet system 23 according to the invention, as shown for example in the FIG. 1 is arranged on the fixed contacts 17, 18 and 19.
  • the fastening means 33 has a fastening region 51 for holding the permanent magnet system 23 on the respective fixed contact arrangement as well as a support region 52.
  • the fastening region 51 is formed from two fastening tabs 53, 54, which have fastening openings 55 and 56, with which the fastening means 33 is screwed to the respective fixed contact.
  • 51 recesses 57, 58 are provided on the mounting portion, which are provided for receiving a cover part described below.
  • the carrying region 52 of the fastening means 33 comprises an annular region 59, which is designed as an arc running track 59.
  • the arc runway 59 is connected via tabs 60, 61 with the mounting portion 51, wherein in the tabs 60, 61 locking recesses are formed, of which only a latching recess 62 in the figure can be seen.
  • the permanent magnet 24 is accommodated in a sheath of a base 63 having a bottom 64 and a hollow cylindrical wall 65 and a cover plate 66, so that the permanent magnet 24 is substantially completely covered by the sheath, the sheath of base 63 and cover plate 66 from Iron is formed, so that an iron yoke for the permanent magnet system is formed by the enclosure.
  • the cover plate 66 in this case has an outer diameter which is so less than the inner diameter of the hollow cylindrical wall 65 that in the remaining gap between the cover plate 66 and hollow cylindrical wall 65, an amplified radial magnetic field is formed by an arc root on the Arc runway 59 is driven maximum.
  • a cover ring 67 and a cover part 68, both of which are formed of a plastic material, are provided as a protective cover for the permanent magnet system 23.
  • the cover plate 66, the permanent magnet 24 and the base 63 for this purpose have central through holes 69, 70, 71, through which a latching means 72 of the cover member 68 extends, which latching means 72 in the recesses 57, 58 of the mounting portion 51 of the fastener 33rd engages and allows a holder of the entire arrangement on the fastening means 33.
  • the cover ring 67 is also latched by means of latching hooks 73, 74 on the fastening means 33 at its latching recesses 62, so that a protective cover of the permanent magnet system is formed by means of the cover hood 67 and the cover part 68, wherein the cover ring 67 has a front opening 75 with a radius, which corresponds to the outer radius of the arc runway 59, and the cover part 68 has a radius which corresponds to the inner radius of the arc runway 59, so that by the cover ring 67 and the cover part 68, the permanent magnet system 63 is covered with the exception of the arc runway 59.
  • FIG. 12 shows a perspective view from above of the assembled permanent magnet system on the fastening means 33, wherein the locking means 72 of the cover part 68 is engaged in the recesses 57 and 58 and the cover 67 is engaged with its latching hooks 73 and 74 in the recesses 62 of the tabs 60, 61 ,
  • FIG. 13 shows a perspective view from below of the assembled permanent magnet system, wherein the formed from the support portion 52 arc running path 59 between the cover ring 67 and the cover part 68 is visible.
  • a recess 76 of the cover 67 which in the assembled state in the region of is in the mounted state in the region of the fixed contact arrangement and which facilitates the transfer of a resulting in a separation of the moving contacts 8, 9, 10 of the fixed contacts 17, 18, 19 arc on the arc track.

Landscapes

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

Claims (25)

  1. Sectionneur ( 1 ) de charge pour un poste de distribution blindé et isolé par du gaz ayant au moins un système de contact qui comprend un agencement ( 2 ) de contacts fixes ainsi qu'un agencement ( 7 ) de contacts mobiles pivotant et un système ( 23, 44 ) d'aimants permanents associé à l'agencement ( 2 ) de contacts fixes, ayant respectivement un aimant permanent unique pour respectivement un contact fixe de l'agencement de contact fixe,
    caractérisé en ce que
    le système ( 23, 44 ) d'aimants permanents est maintenu à l'extérieur sur l'agencement ( 2 ) de contacts fixes, dans une zone comprise entre une première position ( D ) limite définie par une voie de déplacement de l'agencement de contacts mobiles et une deuxième position ( E ) limite définie par l'agencement de contacts fixes, en étant relié galvaniquement à celui-ci, de manière à ce qu'un arc électrique se créant à l'ouverture du sectionneur de charge s'étende vers le système d'aimants permanents.
  2. Sectionneur de charge suivant la revendication 1, caractérisé en ce que le côté de fond du système ( 23, 44 ) d'aimants permanents est tourné vers un arc électrique se créant à l'ouverture du système de contacts.
  3. Sectionneur de charge suivant les revendications 1 ou 2, caractérisé en ce que le système ( 44 ) d'aimants permanents comprend un aimant annulaire et est disposé de manière à entourer le contact ( 3, 4, 5 ) fixe.
  4. Sectionneur de charge suivant la revendication 3, caractérisé en ce que le système ( 23 ) d'aimants permanents fait un angle compris entre 65° et 75° avec l'orientation de l'agencement ( 2 ) de contacts fixes.
  5. Sectionneur de charge suivant l'une des revendications précédentes, caractérisé en ce qu'un contact ( 36, 42 ) d'asservissement est articulé sur l'agencement ( 7 ) de contacts mobiles, une liaison galvanique étant formée entre le contact ( 36, 42 ) d'asservissement et le système ( 23, 44 ) d'aimants permanents, jusqu'à un angle limite d'ouverture entre l'agencement 2 de contacts fixes et l'agencement ( 7 ) de contacts mobiles et, si l'angle est plus grand que l'angle limite d'ouverture, la liaison galvanique entre le contact ( 36, 42 ) d'asservissement et le système ( 23 ) d'aimants permanents est coupée.
  6. Sectionneur de charge suivant la revendication 5, caractérisé en ce que le contact ( 36, 42 ) d'asservissement s'applique, lorsque le système de contacts est fermé, à l'agencement ( 2 ) de contacts fixes et, à l'ouverture du système de contacts, passe, tout en conservant la liaison galvanique avec l'agencement ( 2 ) de contacts fixes, au système ( 23, 44 ) d'aimants permanents et met fin à la liaison galvanique lorsque l'angle limite d'ouverture est atteint.
  7. Sectionneur de charge suivant la revendication 5, caractérisé en ce que le contact ( 36, 42 ) d'asservissement s'applique, lorsque le système de contacts est fermé, au système ( 23, 44 ) d'aimants permanents et met fin à la liaison galvanique lorsque l'angle limite d'ouverture est atteint.
  8. Sectionneur de charge suivant l'une des revendications précédentes, caractérisé en ce que le système ( 23, 44 ) d'aimants permanents comprend un aimant ( 24, 25, 26, 44 ) permanent de révolution, qui se trouve dans une enveloppe ( 27, 28, 29, 45 ) en matériau conducteur.
  9. Sectionneur de charge suivant la revendication 8, caractérisé en ce que l'enveloppe ( 27, 28, 29, 45 ) est une écuelle ( 27, 28, 29, 45 ) en un métal amagnétique et protège l'aimant ( 24, 25, 26, 44 ) permanent sur les côtés tournés vers l'arc électrique.
  10. Sectionneur de charge suivant la revendication 9, caractérisé en ce que l'écuelle ( 27, 28, 29, 45 ) est fermée sur un côté éloigné de l'arc électrique au moyen d'un disque ( 30, 31, 32 ) de fermeture.
  11. Sectionneur de charge suivant la revendication 8, caractérisé en ce que l'enveloppe est toroïdale et reçoit un aimant permanent annulaire.
  12. Sectionneur de charge suivant la revendication 8, caractérisé en ce qu'un moyen ( 33 ) de fixation a une zone ( 51 ) de fixation pour le maintien du système ( 23 ) d'aimants permanents sur l'agencement ( 2 ) de contacts fixes respectif et a une zone ( 52 ) de support de l'enveloppe ( 63, 66 ) du système ( 23 ) d'aimants permanents, la zone ( 52 ) de support comprenant un chemin ( 59 ) de l'arc électrique.
  13. Sectionneur de charge suivant la revendication 12, caractérisé en ce que l'enveloppe ( 63, 66 ) comprend une partie ( 63 ) de base ayant un fond ( 64 ) et une paroi ( 65 ) cylindrique creuse, ainsi qu'une plaque ( 66 ) de recouvrement d'un diamètre plus petit que celui de la paroi ( 65 ) cylindrique creuse, une ouverture ( 70, 71 ) centrale de passage étant prévue dans la partie ( 63 ) de base et dans la plaque ( 66 ) de recouvrement.
  14. Sectionneur de charge suivant l'une des revendications 12 ou 13, caractérisé en ce qu'il est prévu, pour le système ( 23 ) d'aimants permanents, un recouvrement ( 67, 68 ) isolant qui comprend un anneau ( 67 ) de recouvrement ayant un évidement ( 76 ) et une partie ( 68 ) de couvercle, qui peuvent être encliquetés sur le moyen ( 33, 57, 58, 62 ) de fixation, respectivement à l'aide de moyens ( 72, 73, 74 ) d'encliquetage.
  15. Sectionneur de charge suivant l'une des revendications 8 à 14, caractérisé en ce que l'aimant ( 24, 25, 26, 44 ) permanant est un aimant annulaire à aimantation axiale.
  16. Sectionneur de charge suivant l'une des revendications 8 à 14, caractérisé en ce que l'aimant ( 24, 25, 26, 44 ) permanent est un aimant annulaire à aimantation radiale.
  17. Sectionneur de charge suivant l'une des revendications 8 à 16, caractérisé en ce que l'aimant ( 24, 25, 26, 44 ) permanent est en une composition de néodyme-bore-fer.
  18. Sectionneur de charge suivant l'une des revendications 8 à 16, caractérisé en ce que l'aimant ( 24, 25, 26, 44 ) permanent est en une composition samarium-cobalt.
  19. Sectionneur de charge suivant l'une des revendications 8 à 16, caractérisé en ce que l'aimant ( 24, 25, 26, 44 ) permanent est en un ferrite dur.
  20. Sectionneur de charge suivant la revendication 19, caractérisé en ce que le ferrite dur est du ferrite de strontium.
  21. Sectionneur de charge suivant la revendication 19, caractérisé en ce que le ferrite dur est du ferrite de baryum.
  22. Système ( 23 ) d'aimants permanents pour un sectionneur de charge suivant l'une des revendications précédentes, caractérisé en ce que
    le système ( 23 ) d'aimants permanents a un moyen ( 33 ) extérieur de fixation pour le maintien du système ( 23 ) d'aimants permanents sur l'agencement ( 2 ) de contacts fixes respectif et pour la liaison galvanique avec l'agencement ( 2 ) de contacts fixes.
  23. Système d'aimants permanents suivant la revendication 22, caractérisé en ce que le moyen ( 33 ) extérieur de fixation a une zone ( 51 ) de fixation pour le maintien du système ( 23 ) d'aimants permanents sur l'agencement de contacts fixes respectif et a une zone ( 52 ) de support de l'enveloppe ( 63, 66 ) du système ( 23 ) d'aimants permanents, la zone ( 52 ) de support comprenant un chemin ( 59 ) de l'arc électrique.
  24. Système d'aimants permanents suivant la revendication 23, caractérisé en ce que l'enveloppe ( 63, 66 ) comprend une partie ( 63 ) de base ayant un fond ( 64 ) et une paroi ( 65 ) cylindrique creuse, ainsi qu'une plaque ( 66 ) de recouvrement d'un diamètre plus petit que celui de la paroi ( 65 ) cylindrique creuse, une ouverture ( 70, 71 ) centrale de passage étant prévue dans la partie ( 63 ) de base et dans la plaque ( 66 ) de recouvrement.
  25. Système d'aimants permanents suivant l'une des revendications 23 ou 24, caractérisé en ce qu'il est prévu, pour le système ( 23 ) d'aimants permanents, un recouvrement ( 67, 68 ) isolant qui comprend un anneau ( 67 ) de recouvrement ayant un évidement ( 76 ) et une partie ( 68 ) de couvercle, qui peuvent être encliquetés sur le moyen ( 33, 57, 58, 62 ) de fixation respectivement à l'aide de moyens ( 72, 73, 74 ) d'encliquetage.
EP06830547.3A 2005-12-13 2006-12-12 Sectionneur de charge pour poste de commutation blinde, et systeme d'aimant permanent pour sectionneur de charge Active EP1961027B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005060633A DE102005060633A1 (de) 2005-12-13 2005-12-13 Lasttrennschalter für eine gekapselte Schaltanlage
PCT/EP2006/069594 WO2007068693A1 (fr) 2005-12-13 2006-12-12 Sectionneur de charge pour poste de commutation blinde, et systeme d'aimant permanent pour sectionneur de charge

Publications (2)

Publication Number Publication Date
EP1961027A1 EP1961027A1 (fr) 2008-08-27
EP1961027B1 true EP1961027B1 (fr) 2013-11-13

Family

ID=37775219

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06830547.3A Active EP1961027B1 (fr) 2005-12-13 2006-12-12 Sectionneur de charge pour poste de commutation blinde, et systeme d'aimant permanent pour sectionneur de charge

Country Status (6)

Country Link
EP (1) EP1961027B1 (fr)
CN (1) CN101331572B (fr)
DE (1) DE102005060633A1 (fr)
ES (1) ES2437580T3 (fr)
NO (1) NO340194B1 (fr)
WO (1) WO2007068693A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3899997B1 (fr) * 2018-12-23 2024-10-30 Secheron Hasler UK Limited Commutateur électrique et système de commutateur électrique
EP4539081A4 (fr) * 2023-08-24 2025-07-09 Beijing Qingchang Power Tech Co Ltd Commutateur de charge haute tension utilisant une extinction d'arc composite de soufflage magnétique

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Publication number Priority date Publication date Assignee Title
DE102008015463B3 (de) * 2008-03-18 2009-09-17 Siemens Aktiengesellschaft Permanentmagnet-Löscheinrichtung für Lasttrennschalter
CN102522252A (zh) * 2011-12-19 2012-06-27 中国西电电气股份有限公司 一种非sf6气体绝缘金属封闭隔离开关的断口结构
DE102012215479B4 (de) * 2012-08-31 2014-08-21 Siemens Aktiengesellschaft Verfahren zum Schließen eines Schalters und Schalter zur Durchführung des Verfahrens
CN103280368B (zh) * 2013-06-13 2015-10-28 北京合纵科沃尔电力科技有限公司 磁吹灭弧的sf6三工位负荷开关
US9552951B2 (en) 2015-03-06 2017-01-24 Cooper Technologies Company High voltage compact fusible disconnect switch device with magnetic arc deflection assembly
US9601297B2 (en) 2015-03-23 2017-03-21 Cooper Technologies Company High voltage compact fuse assembly with magnetic arc deflection
US10854414B2 (en) 2016-05-11 2020-12-01 Eaton Intelligent Power Limited High voltage electrical disconnect device with magnetic arc deflection assembly
CN106218742B (zh) * 2016-08-18 2017-08-11 国网湖南省电力公司带电作业中心 用于农配网线路旁路搭建的负荷开关车及其应用方法
DE202017104597U1 (de) * 2017-08-01 2018-11-13 Walter Kraus Gmbh Restlast-Trennschalter
US10636607B2 (en) 2017-12-27 2020-04-28 Eaton Intelligent Power Limited High voltage compact fused disconnect switch device with bi-directional magnetic arc deflection assembly
ES2943936T3 (es) * 2019-03-29 2023-06-16 Siemens Ag Interruptor de tres posiciones optimizado
FR3165527A1 (fr) * 2024-08-08 2026-02-13 Schneider Electric Industries Sas Contact mobile pour un dispositif de coupure

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JPS58117621A (ja) 1981-12-30 1983-07-13 株式会社安川電機 回転ア−ク形ガス遮断器
FR2618251B1 (fr) 1987-06-25 1989-11-17 Merlin Gerin Interrupteur rotatif a piste courbe de migration d'une racine d'arc.
GB2218262B (en) 1988-05-07 1992-01-15 George Francis Chrisp Electric arc interrupter
GB2223880B (en) * 1988-10-15 1992-01-02 George Francis Chrisp Electric arc interrupter
GB2224885B (en) 1988-11-12 1992-01-02 George Francis Chrisp Electric arc interrupter
FR2762710B1 (fr) * 1997-04-25 2003-05-30 Soule Materiel Electr Dispositif de coupure electrique pour basse et haute tension

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3899997B1 (fr) * 2018-12-23 2024-10-30 Secheron Hasler UK Limited Commutateur électrique et système de commutateur électrique
EP4539081A4 (fr) * 2023-08-24 2025-07-09 Beijing Qingchang Power Tech Co Ltd Commutateur de charge haute tension utilisant une extinction d'arc composite de soufflage magnétique

Also Published As

Publication number Publication date
DE102005060633A1 (de) 2007-06-14
WO2007068693A1 (fr) 2007-06-21
NO20082898L (no) 2008-09-08
ES2437580T3 (es) 2014-01-13
HK1124169A1 (en) 2009-07-03
CN101331572A (zh) 2008-12-24
EP1961027A1 (fr) 2008-08-27
CN101331572B (zh) 2012-12-05
NO340194B1 (no) 2017-03-20

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