EP1961027A1 - Load interrupter for an encapsulated switchgear and permanent magnet system for a load interrupter - Google Patents
Load interrupter for an encapsulated switchgear and permanent magnet system for a load interrupterInfo
- Publication number
- EP1961027A1 EP1961027A1 EP06830547A EP06830547A EP1961027A1 EP 1961027 A1 EP1961027 A1 EP 1961027A1 EP 06830547 A EP06830547 A EP 06830547A EP 06830547 A EP06830547 A EP 06830547A EP 1961027 A1 EP1961027 A1 EP 1961027A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- permanent magnet
- magnet system
- fixed contact
- switch
- contact arrangement
- 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
Links
- 230000005415 magnetization Effects 0.000 claims description 7
- 229910001047 Hard ferrite Inorganic materials 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims description 2
- AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical group [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052712 strontium Inorganic materials 0.000 claims description 2
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical group [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 2
- 229910000859 α-Fe Inorganic materials 0.000 claims description 2
- IYPQZXRHDNGZEB-UHFFFAOYSA-N cobalt sodium Chemical compound [Na].[Co] IYPQZXRHDNGZEB-UHFFFAOYSA-N 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 230000006378 damage Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008033 biological extinction Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- KPLQYGBQNPPQGA-UHFFFAOYSA-N cobalt samarium Chemical compound [Co].[Sm] KPLQYGBQNPPQGA-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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 moving contact arrangement and a permanent magnet system associated with the fixed contact arrangement.
- load-break switch is known from EP 0 296 915 Bl.
- the disclosed therein load-disconnect rotary switch comprises two diametrically opposed fixed contacts as 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 a light arc, which arises when opening the contact system, such that an arc base shifts by magnetic blowing in a shadow position on the fixed contact arrangement, whereby a Neuzundung after the natural extinction of the arc after a current zero crossing is changed.
- Object of the present invention is to form a load-break switch of the type mentioned, which has a simple and utilisegunsti- construction at a high switching capacity.
- this object is achieved by the fact that the permanent magnet system is held galvanically connected to the outside of the fixed contact arrangement in such a way that extending to the opening of the switch-disconnector arc to the permanent magnet system extends.
- the permanent magnet system is arranged with its bottom side facing an opening when the contact system arc. Such an arrangement ensures a simple interaction of the arc with the magnetic field of the permanent magnet system.
- the permanent magnet system is arranged outside on the fixed contact arrangement in a region between a first limit position determined by a movement path of the moving contact arrangement and a second limit position determined by the fixed contact arrangement.
- the annular permanent magnet is arranged such that it surrounds the fixed contact. Even with such an arrangement, a U-terannead of 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 and the BewegCountan Aunt a galvanic connection is formed, and at a larger angle than the opening limit angle, the galvanic connection between the Following contact and the permanent magnet system is separated.
- the follower contact is in the closed contact system on the fixed contact arrangement and changes when opening the contact system while maintaining the galvanic connection with the fixed contact arrangement for permanent magnet system and lifts on reaching the O réelles grenzwinkels 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 limit opening angle is reached, the galvanic connection is removed.
- a load on the fixed contact arrangement by the arc is advantageously completely prevented.
- the object is achieved in a further variant in that a follower contact with arranged thereon permanent magnet system is articulated on the BewegCountanowski, wherein between the follower contact and the fixed contact arrangement up to an opening limit angle between the fixed contact arrangement and the BewegCountan angel a galvanic connection is formed, and at a greater angle than the limit opening angle, the galvanic connection between the follower contact and the fixed contact arrangement is separated.
- an arc-loosening device for the load disconnector is formed in a simple manner, because the permanent magnet system is arranged in a simple manner at the follower contact without special configuration of the fixed contact arrangement.
- the moving contact arrangement is advantageously not burdened by the arc at all.
- the permanent magnet system comprises a rotationally symmetrical permanent magnet, which lies in an envelope of conductive material.
- a permanent magnet advantageously forms a magnetic field which has regions with a field running parallel to the surface of the magnet, as a result of which a Lorentz force acts on the arc arising when the contact system opens, such that the arc causes it to rotate 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 permanent magnet
- 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 magnets.
- the lens increases the effective magnetic field by the EisenruckQuery.
- 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 envelope comprises a base with a bottom and a cylindrical wall and a cover plate with a smaller diameter than that of the hollow cylindrical wall, wherein a central passage opening is provided in the base part and in the cover plate.
- a sheath advantageously creates an iron-pressure connection for the permanent-magnet system, so that a strong radial magnetic field is formed to accelerate an arc-root point.
- the cover plate and hollow cylindrical wall have different radii, so that a gap is formed between them, which further amplifies the radial magnetic field.
- 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 locking means on the fastening means.
- the permanent magnet is an annular magnet with radial magnetization.
- Such a magnet has a magnetic field with areas of parallel to the surfaces of the magnet field lines.
- the permanent magnet is formed of a neodymium-boron-iron composition.
- Such 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 is suitable for an encapsulated gas-insulated switchgear with at least one contact system which has a fixed contact arrangement and a moving contact system. Order includes, which permanent magnet system is assigned to the fixed contact arrangement, is provided.
- the object of the present invention is to develop such a permanent magnet magnet system in such a way that, with a high switching capability, it allows a simple and inexpensive construction of the circuit breaker.
- this object is achieved in the case of 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.
- an arcing device for the circuit breaker is formed in a simple manner, because the permanent magnet system is attached to the outside of 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 envelope of the permanent magnet system, wherein the support region comprises an arc running 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 is provided which encompasses a cover ring with a recess and a cover part, which can be latched by means of locking means on the fastening means.
- FIG. 1 shows a load disconnector according to the invention in a first embodiment
- FIG. 2 shows a detailed view of the load-break switch according to the invention according to FIG. 1;
- FIG. 3 shows a detailed view of a permanent magnet of the permanent magnet system, as can be used in the embodiment of FIG. 1;
- FIG. 4 shows a view of a further exemplary embodiment of the load-break switch according to the invention.
- FIG. 5 shows a further embodiment of the load-break switch according to the invention.
- FIG. 6 shows a further embodiment of the load-break switch according to the invention.
- FIG. 7 shows a further embodiment of the load-break switch according to the invention
- FIG. 8 shows a further embodiment of the load-break switch according to the invention
- FIG. 9 shows a further embodiment of the load-break switch according to the invention.
- Figure 10 shows a further embodiment of the inventive circuit breaker.
- Figure 11 is an exploded view of the inventive permanent magnet system
- FIG. 12 is a top perspective view of the permanent magnet system of FIG. 11 assembled according to the invention.
- FIG. 13 shows a perspective view from below of the permanent magnet system of FIG. 11 assembled according to the invention.
- FIG. 1 shows a circuit breaker 1 according to the invention for a gas-insulated switchgear, in particular with SF6 or SF6 mixtures as insulating gas, whose encapsulation is not shown in the figure, with a fixed contact arrangement 2, which comprises fixed contacts 3, 4 and 5.
- 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 includes a BewegCountan kann 7 with BewegCounten 8, 9, 10.
- the BewegCounte 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 carrier 12 and by means a drive device, not shown, is driven.
- a ground contact arrangement 13 with ground contacts 14, 15 and 16 is provided.
- 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 Bewegromeanordndung 7 facing sides by means of shells in the form of pans 27, 28, 29 and on their the BewegCountan extract 7 side facing away by means of end plates 30th , 31, 32, which are made of iron, for example, are completed.
- 27, 28, 29 are connected by means of fastening means 33, 34, 35 with the fixed contacts 3, 4, 5 electrically conductive.
- the position of the switch-disconnector shown in FIG. 1 corresponds to a disconnected position in which the moving contact arrangement 7 is in a conductive connection neither with the fixed contact arrangement 2 nor with the grounding contact arrangement 13.
- the BewegCountan kann 7 can by means of the drive device not shown on 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 effet extract 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 of Figure 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 by the cover plate 30 on its side facing away from the contact 8.
- 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 separating operation of moving contact 8 and fixed contact 3 has already progressed so far that an arc initially burning between the moving contact 8 and the fixed contact 3 has already jumped over the ladle 27 and continues to burn on it.
- Figure 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
- FIG. 3 in such an arrangement three regions I, II, III are formed, in which the field lines run parallel to the surface of the permanent magnet 24. If a current flows in the direction of the permanent magnet, as in the case of a burning arc, for example, this current is given a Lorenz force by means of the magnetic field, which causes the arc to rotate about the axis of rotation of the permanent magnet 24.
- an annular permanent magnet with a radial magnetization can also be used, 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 on the fixed contact 3, which in 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 is separated from fixed contact 3 and moving contact 8.
- a lower first limit position D is determined, by which the moving contact 8 nachsttrude 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 nachstred.
- the permanent magnet system is shown in dotted or dashed lines.
- F is a mounting position for the permanent magnet system 23 at an angle ⁇ with respect to a horizontal axis of the circuit breaker.
- the 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 enclosure 27 in Direction of the moving contact 8 and the trajectory C of the moving contact 8 is shielded.
- FIG. 6 shows a further embodiment of a load-break switch 1 according to the invention, in which a follow-up contact 36 is articulated on the moving contact 8 by means of a joint 37. 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 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 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 maintained while the moving contact 8 and its free end is already removed from the fixed contact 3.
- the trailing contact 36 is finally prevented in its further movement by means of the stop element not shown in the figure, 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 lag contact 36 and the permanent magnet 23 and is deleted in the next zero current crossing.
- FIG. 7 shows a further embodiment of a circuit breaker according to the invention in a side view and a front view, in which a follower contact 38 is arranged on the moving contact 8 by means of a joint 39 and the abovementioned spring elements and stop elements.
- a permanent magnet system 40 Arranged laterally on the fixed contact 3 is a permanent magnet system 40, which has a fastening bushing
- the contact as in the exemplary embodiment of FIG. 6, is initially maintained via the follower contact 38 and the cup of the permanent magnet system 40, wherein the overrun contact 38 is finally separated from the latter when a limit angle is exceeded in the separation between moving contact 8 and fixed contact 3 Permanent magnet system 40 is disconnected and the arc between the permanent magnet 40 and the wake contact 38 burns and is deleted in the next zero current crossing.
- 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 in an annular manner, wherein the permanent magnet 44 is again shielded by means of a cup 45 at least on its sides facing the moving contact 8 or the movement path C of the moving contact 8 ,
- the magnetic field generated by the permanent magnet 44 acts on an arc in such a way that it is caused to rotate and is finally extinguished in the next current zero crossing.
- FIG. 10 shows a further embodiment of a circuit breaker according to the invention, in which a follower contact 46 is arranged on the moving contact 8 via a joint 47 and spring elements and stop elements (not shown in the drawing).
- Attached to the follower contact 46 is a permanent magnet system 48 with a permanent magnet 49 and a socket 50 for shielding the permanent magnet in the direction of the fixed contact 3.
- a permanent magnet system 48 with a permanent magnet 49 and a socket 50 for shielding the permanent magnet in the direction of the fixed contact 3.
- Shown dashed lines is the follower contact 46 with the permanent magnet system with the contact system closed, and shown in solid lines with open contact system.
- FIG. 11 shows an exploded view of a permanent magnet system 23 according to the invention, as is arranged on the fixed contacts 17, 18 and 19, for example in FIG.
- 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 straps 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 running track 59 is connected via lugs 60, 61 to the fastening area 51, wherein latching recesses are formed in the lugs 60, 61, of which only one latching recess 62 can be seen in the figure.
- the permanent magnet 24 is accommodated in a casing 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 casing, the casing 63 and cover plate 66 is formed of iron, so that by the sheath a Eisenruck gleich is formed for the permanent magnet system.
- 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.
- the cover plate 66, the permanent magnet 24 and the base 63 for this purpose have central fürgangso réelleen 69, 70, 71, through which a latching means 72 of the cover member 68 extends therethrough, 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 to 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, the cover ring 67 having a front opening 75 has a radius which corresponds to the outer radius of the arc running track 59, and the cover part 68 has a radius which corresponds to the inner radius of the arc run 59, so that the cover ring 67 and the cover part 68, the permanent magnet system 63 with the exception of the arc run 59th is covered.
- Figure 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 with its latching hooks 73 and 74 in the recesses 62 of the tabs 60, 61st is engaged.
- FIG. 13 shows a perspective view from below of the combined permanent magnet system, wherein the arc run 59 formed by the support region 52 can be seen between the cover ring 67 and the cover part 68.
- Fig. 13 can be seen a recess 76 of the cover 67, which in the assembled state in the region of is in the mounted state in the fixed contact arrangement and which facilitates the Sprinten a resulting in a separation of the moving contacts 8, 9, 10 of the fixed contacts 17, 18, 19 arc on the arc runway.
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)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005060633A DE102005060633A1 (en) | 2005-12-13 | 2005-12-13 | Switch-disconnector for an enclosed switchgear |
PCT/EP2006/069594 WO2007068693A1 (en) | 2005-12-13 | 2006-12-12 | Load interrupter for an encapsulated switchgear and permanent magnet system for a load interrupter |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1961027A1 true EP1961027A1 (en) | 2008-08-27 |
EP1961027B1 EP1961027B1 (en) | 2013-11-13 |
Family
ID=37775219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06830547.3A Active EP1961027B1 (en) | 2005-12-13 | 2006-12-12 | Load interrupter for an encapsulated switchgear and permanent magnet system for a load interrupter |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1961027B1 (en) |
CN (1) | CN101331572B (en) |
DE (1) | DE102005060633A1 (en) |
ES (1) | ES2437580T3 (en) |
HK (1) | HK1124169A1 (en) |
NO (1) | NO340194B1 (en) |
WO (1) | WO2007068693A1 (en) |
Families Citing this family (11)
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DE102008015463B3 (en) * | 2008-03-18 | 2009-09-17 | Siemens Aktiengesellschaft | Permanent magnet extinguishing device for switch-disconnector |
CN102522252A (en) * | 2011-12-19 | 2012-06-27 | 中国西电电气股份有限公司 | Fracture structure of non-SF6 gas-insulated metal-enclosed isolating switch |
DE102012215479B4 (en) | 2012-08-31 | 2014-08-21 | Siemens Aktiengesellschaft | Method for closing a switch and switch for carrying out the method |
CN103280368B (en) * | 2013-06-13 | 2015-10-28 | 北京合纵科沃尔电力科技有限公司 | The SF6 three-stations load switch of magnetic quenching |
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 (en) * | 2016-08-18 | 2017-08-11 | 国网湖南省电力公司带电作业中心 | The load-switch automobile and its application process built are bypassed for agriculture distribution line |
DE202017104597U1 (en) * | 2017-08-01 | 2018-11-13 | Walter Kraus Gmbh | Residual load-break switch |
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 (en) | 2019-03-29 | 2023-06-16 | Siemens Ag | Optimized three-position switch |
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JPS58117621A (en) * | 1981-12-30 | 1983-07-13 | 株式会社安川電機 | Rotary arc type gas breaker |
FR2618251B1 (en) | 1987-06-25 | 1989-11-17 | Merlin Gerin | ROTARY SWITCH WITH MIGRATION CURVE TRACK OF AN ARC ROOT. |
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 (en) * | 1997-04-25 | 2003-05-30 | Soule Materiel Electr | ELECTRICAL SHUTDOWN DEVICE FOR LOW AND HIGH VOLTAGE |
-
2005
- 2005-12-13 DE DE102005060633A patent/DE102005060633A1/en not_active Withdrawn
-
2006
- 2006-12-12 CN CN200680046885.2A patent/CN101331572B/en active Active
- 2006-12-12 WO PCT/EP2006/069594 patent/WO2007068693A1/en active Application Filing
- 2006-12-12 ES ES06830547.3T patent/ES2437580T3/en active Active
- 2006-12-12 EP EP06830547.3A patent/EP1961027B1/en active Active
-
2008
- 2008-06-25 NO NO20082898A patent/NO340194B1/en unknown
-
2009
- 2009-05-06 HK HK09104181.2A patent/HK1124169A1/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2007068693A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102005060633A1 (en) | 2007-06-14 |
ES2437580T3 (en) | 2014-01-13 |
HK1124169A1 (en) | 2009-07-03 |
WO2007068693A1 (en) | 2007-06-21 |
NO20082898L (en) | 2008-09-08 |
CN101331572A (en) | 2008-12-24 |
NO340194B1 (en) | 2017-03-20 |
CN101331572B (en) | 2012-12-05 |
EP1961027B1 (en) | 2013-11-13 |
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