EP3341948B1 - Commutateur de réglage en charge pour un graduateur de réglage en charge ainsi que interrupteur principal permanent et sectionneur associés - Google Patents

Commutateur de réglage en charge pour un graduateur de réglage en charge ainsi que interrupteur principal permanent et sectionneur associés Download PDF

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Publication number
EP3341948B1
EP3341948B1 EP15763234.0A EP15763234A EP3341948B1 EP 3341948 B1 EP3341948 B1 EP 3341948B1 EP 15763234 A EP15763234 A EP 15763234A EP 3341948 B1 EP3341948 B1 EP 3341948B1
Authority
EP
European Patent Office
Prior art keywords
contact
primary
switch
contacts
diverter
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
EP15763234.0A
Other languages
German (de)
English (en)
Other versions
EP3341948A1 (fr
Inventor
Eduard Schmid
Silke Wrede
Gregor Wilhelm
Christian Hammer
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.)
Maschinenfabrik Reinhausen GmbH
Scheubeck GmbH and Co
Original Assignee
Maschinenfabrik Reinhausen GmbH
Maschinenfabrik Reinhausen Gebrueder Scheubeck GmbH and Co KG
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 Maschinenfabrik Reinhausen GmbH, Maschinenfabrik Reinhausen Gebrueder Scheubeck GmbH and Co KG filed Critical Maschinenfabrik Reinhausen GmbH
Publication of EP3341948A1 publication Critical patent/EP3341948A1/fr
Application granted granted Critical
Publication of EP3341948B1 publication Critical patent/EP3341948B1/fr
Priority to HRP20210188TT priority Critical patent/HRP20210188T1/hr
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
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0005—Tap change devices
    • H01H9/0016—Contact arrangements for tap changers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
    • H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0005—Tap change devices
    • H01H9/0027—Operating mechanisms

Definitions

  • the invention relates to a diverter switch for an on-load tap-changer of a variable transformer, as well as a permanent main switch and a disconnector for a diverter switch of an on-load tap-changer and generally a switch for a switching device.
  • CH 467 510 A describes a diverter switch for an on-load tap changer.
  • This known diverter switch comprises a discharge contact, a primary fixed contact, a secondary fixed contact, a primary moving contact and a secondary moving contact for each phase to be switched.
  • the primary fixed contact is electrically conductively connected to a first movable selector contact or primary selector contact of the on-load tap-changer.
  • the secondary fixed contact is electrically conductively connected to a second movable selector contact or secondary selector contact of the on-load tap-changer.
  • Each primary moving contact is mounted so that it can be linearly displaced at right angles to a central switching shaft of the on-load tap-changer in such a way that it can assume a first end position in which it rests against the diverting contact and the respective primary fixed contact, and a second end position in which it can use these contacts is separated.
  • Each secondary moving contact is mounted so that it can be linearly displaced at right angles to the switching shaft in such a way that it can assume a first end position in which it rests against the diverter contact and the respective secondary fixed contact, and a second end position in which it is separated from these contacts.
  • This known diverter switch also comprises a double lever, a fixed axle and a cam roller, as well as a fixed pin and a movable axle for each moving contact.
  • the double lever is rotatably mounted in its center on the stationary axis, carries one of the movable axes at each free end and carries the cam roller on one side, which is arranged between one of the movable axes and the stationary axis.
  • the cam roller runs in a curve of a cam of the on-load tap-changer.
  • the cam is non-rotatably seated on a switching shaft of the on-load tap-changer.
  • Each moving contact is rotatably mounted on the respective movable axis and has a straight groove in which the respective pin sits. As a result, a rotary movement of the switching shaft is converted into a linear movement of the moving contacts.
  • JP 2013247170 A describes a diverter switch for an on-load tap changer.
  • This known diverter switch comprises a neutral contact, a first fixed contact, a second fixed contact, a first movable contact and a second movable contact for each phase to be switched.
  • the fixed contacts and the neutral contacts are arranged in a circle on a base plate around a central control shaft.
  • the movable contacts are arranged radially in relation to the central selector shaft and are linearly displaceable.
  • the actuation of the moving contacts is realized via a cam mechanism that interacts with the switching shaft.
  • U.S. 3,174,097 A describes a diverter switch for an on-load tap changer.
  • This known diverter switch comprises two movable main contacts, a busbar and two fixed contacts for each phase to be switched. These contact arrangements are each arranged in a switch housing offset by 120 degrees.
  • Each movable main contact is pivotably attached to a lower end plate via an operating lever, which is connected in a rotationally fixed manner to a drive shaft.
  • Each movable contact pair is pivotably controlled per phase by a further lever via two actuating arms in such a way that the rotary movement of the shaft realizes a pivoting movement of the movable contacts, in which each movable contact has a first end position in which it contacts the busbar and the respective fixed contact , and can assume a second end position in which it is separated from the busbar and the respective fixed contact.
  • the contacts pivot about an axis that lies between the two actuating arms on the lever.
  • a phrase of the type “A is connected to B” corresponds to a phrase of the type “A is connected to B”
  • a phrase of the type “A is connected to B” includes the meanings “A is directly connected to B in an electrically conductive manner "and” A is indirectly connected to B in an electrically conductive manner, ie via C ", and has a formulation of the type” A is connected to B ", meaning" A is directly connected to B in an electrically conductive manner ".
  • the discharge contact is or will be tied to ground or to earth potential or to a star point or to a corner point of a delta connection or to a discharge line of the switching device, and in particular will be connected.
  • the derivation for its part can for example be or be connected to ground or to earth potential or to a star point or to a corner point of a delta circuit.
  • the proposed switch can be designed in any manner as required, for example as a permanent main switch or as a disconnector for or in a diverter switch of an on-load tap-changer.
  • a permanent main switch is usually connected in a diverter switch in parallel to at least one vacuum interrupter of the diverter switch in order to increase the current-carrying capacity of the diverter switch.
  • a disconnector in a diverter switch is usually connected in series to at least one vacuum interrupter of the diverter switch in order to increase the dielectric strength of the diverter switch.
  • the diverter contact, the fixed contacts and the moving contacts are or will be attached to a frame of the switching device.
  • the frame can be in one piece or comprise at least two sub-frames.
  • the switch is a permanent main switch or disconnector for or in a diverter switch
  • the frame of the diverter switch preferably comprises a contact cylinder, which is designed in particular as an oil tank, as the first subframe and a frame of a diverter switch insert as the second subframe, which is coupled to the first subframe is.
  • the diverting contact and the fixed contacts are or will be attached to the first sub-frame and in particular fastened, and the moving contacts are or will be attached to the second sub-frame and in particular stored.
  • the framework is usually inserted into the contact cylinder from above and attached to it in an upper edge area.
  • the primary fixed contact is or will be connected to a primary main line of the switching device and the secondary fixed contact to a secondary main line of the switching device, and in particular will be connected.
  • Each main line can, for example, be connected to a power line that is assigned to a phase of an alternating current network, or to a primary or secondary side of a transformer, or to a star point or to a corner point of a delta connection, and in particular be connected.
  • the discharge contact is connected to a discharge line of the switching device, the primary fixed contact to a primary main line and the secondary fixed contact to a secondary main line of the switching device, a particularly low-loss current path can be achieved.
  • a phrase of the type "A is perpendicular to B" includes the meanings "A intersects B at an angle of 90 °" and "A is skewed to B and the normal planes of A and B are perpendicular”.
  • the first straight connecting line can preferably run horizontally and intersect the pivot axis or run past it.
  • the first straight connecting line is parallel to the pivot axis.
  • the proposed switch can be designed in any manner as required, for example as a permanent main switch for or in a load switch of an on-load tap changer or as a disconnector for or in a load switch On-load tap-changer, and / or for example at least one additional discharge contact and / or at least one additional primary fixed contact and / or at least one additional primary moving contact and / or at least one additional secondary fixed contact and / or at least one additional secondary moving contact.
  • the second straight connecting line can preferably run horizontally and intersect the pivot axis or run past it.
  • the second straight connecting line is parallel to the pivot axis.
  • the current-carrying capacity or current-carrying capacity of the switch can be increased step by step as required in the manner of a modular system or construction kit.
  • the moving contacts are preferably structurally identical.
  • the moving contacts it is also possible for the moving contacts to be galvanically isolated from one another.
  • the primary erosion contact which is also referred to as primary sacrificial contact, is preferably more erosion-proof and / or arc-resistant than at least in a contact area that contains or surrounds the fifth contact point and / or in a contact area that contains or surrounds the sixth contact point in its remaining area and / or as the corresponding contact areas of the primary moving contacts.
  • This is achieved, for example, in that it consists of a material that is, for example, a WCu alloy, which has a higher melting point than the material of the primary moving contacts, which is for example copper. It preferably consists of this material only in each contact area and of the material of the primary moving contacts in its remaining area.
  • the primary erosion contact is preferably monolithic. If it only consists of this material with a higher melting point in each contact area, then it is monolithic in its remaining area and in each contact area and each contact area is formed by a block made of this material, which is, for example, soldered or screwed onto the remaining area.
  • the primary consumable contact is thus located in or as close as possible to the center of the stack of primary moving contacts.
  • the explanations regarding the primary arcing contact also apply analogously to the secondary arcing contact, which is also referred to as the secondary sacrificial contact.
  • the first support plate preferably runs at right angles to the pivot axis and / or parallel to the first straight connecting line.
  • the second support plate is preferably attached to the first support plate and in particular fastened.
  • the second support plate preferably runs at right angles to the pivot axis and / or parallel to the second straight connecting line.
  • the proposed diverter switch preferably comprises a discharge line which is tied up and in particular connected to each discharge contact.
  • the discharge is or will be connected to ground or to earth potential or to a star point or to a corner point of a delta connection or to a common discharge connection of the on-load tap-changer, and in particular connected.
  • the discharge connection for its part can for example be or will be connected to ground or to earth potential or to a star point or to a corner point of a delta circuit.
  • the primary main line is or will be connected to a primary selector contact of the on-load tap-changer and / or the secondary main line to a secondary selector contact of the on-load tap-changer, and in particular connected.
  • the proposed diverter switch can be designed in any manner as required and, for example, at least one additional permanent main switch and / or at least one additional isolating switch and / or at least one additional discharge line and / or at least one additional primary main line and / or at least one additional secondary Main line and / or at least one additional primary main vacuum interrupter and / or at least one additional secondary main vacuum interrupter and / or at least one additional primary disconnector and / or at least one additional secondary disconnector and / or at least one additional primary auxiliary vacuum interrupter and / or at least include an additional secondary auxiliary vacuum interrupter.
  • this electrically conductive connection in the first end position is improved and ensured that the respective moving contact or erosion contact is pressed against the corresponding diverting contact or fixed contact.
  • This inseparable and / or permanent electrically conductive connection is preferably established via a sliding connection or by means of a flexible line which is fastened to the respective contacts, in particular in one piece or by soldering or by screws.
  • the switch proposed according to the third or fourth aspect can be designed in any manner as required and, for example, comprise at least one additional diverting contact and / or at least one additional fixed contact and / or at least one additional arcing contact.
  • the switch proposed according to the third or fourth aspect is preferably designed like the switch proposed according to the first aspect.
  • FIG. 1 , 2 and 3 a first embodiment of a switch 10 for a switching device 11 is shown schematically, which here is an example of a permanent main switch 10 for a diverter switch 11 ( FIG. 2 to 4 ) of an on-load tap-changer 12 ( FIG. 5 ) is, but can also be an example of a disconnector for the diverter switch 11.
  • the switch 10 comprises a discharge contact 13, a primary fixed contact 14, a secondary fixed contact 15, twelve primary moving contacts 16, twelve secondary moving contacts 17, a primary arcing contact 18, a secondary arcing contact 19 and a contact carrier 20 with a first support plate 201 and a second support plate 202 (in FIG. 3 not shown).
  • Each primary moving contact 16 is mounted so that it can pivot about a pivot axis 21 relative to the diverter contact 13 and the primary fixed contact 14 in such a way that it has a first end position, which is in FIG. 2 is shown, and can assume a second end position that is shown in FIG. 1 , 3 is shown. In the first end position it rests with a first contact point 22 on a first counterpoint of the diverter contact 13 and with a second contact point 23 on the primary fixed contact 14, and in the second end position it is separated from these contacts 13, 14.
  • Each secondary moving contact 17 is mounted so that it can pivot about the pivot axis 21 relative to the diverting contact 13 and the secondary fixed contact 15 in such a way that it has a first end position which is in FIG.
  • first end position In the first end position it rests with a third contact point 24 on a second counterpoint of the discharge contact 13 and with a fourth contact point 25 on the secondary fixed contact 15, and in the second end position it is separated from these contacts 13, 15.
  • the first counterpoint is arranged at a distance from the second counterpoint, and the pivot axis 21 is arranged symmetrically between these counterpoints.
  • the primary arcing contact 18 is pivotably mounted about the pivot axis 21 relative to the discharge contact 13 and the primary fixed contact 14 in such a way that it has a first end position, in which it has a fifth contact point 26 on the discharge contact 13 and a sixth contact point 27 the primary fixed contact 14 rests, and can assume a second end position in which it is separated from these contacts 13, 14.
  • the secondary arcing contact 19 is pivotably mounted about the pivot axis 21 relative to the discharge contact 13 and the secondary fixed contact 15 in such a way that it has a first end position in which it has a seventh contact point 28 on the discharge contact 13 and an eighth contact point 29 the secondary fixed contact 15 rests, and can assume a second end position in which it is separated from these contacts 13, 15.
  • the first contact point 22 is arranged at a distance from the third contact point 24, and the pivot axis 21 is arranged symmetrically between these contact points 22, 24.
  • the primary moving contacts 16 and the primary consumable contact 18 are stacked to form a primary contact stack 16/18 in such a way that six primary moving contacts 16 each lie below and above the primary consumable contact 18.
  • the secondary moving contacts 17 and the secondary arcing contact 19 are stacked to form a secondary contact stack 17/19 in such a way that six secondary moving contacts 17 are located below and above the secondary arcing contact 19.
  • the moving contacts 16, 17 are structurally identical to one another.
  • the consumable contacts 18, 19 are structurally identical to one another.
  • the contact carrier 20 comprises a lever 30 ( FIG. 3 ) with three Y-shaped arms 301, 302, 303 and a fork 31.
  • the support plates 201, 202 are identical in construction and are arranged in parallel and in alignment one above the other and are made of metal.
  • the lever 30 is arranged between the support plates 201, 202 and fastened to the latter with three bolts which go through the free ends of the two lateral arms 301, 302 and a central section of the central arm 303.
  • the fork 31 is attached to the lever 30 between the two lateral arms 301, 302 on the side facing away from the central arm 303 and has an elongated hole which extends as an extension of the central arm 303 and is open at its outer end remote from the lever 30 is.
  • the contact stacks 16/18, 17/19 are arranged between the support plates 201, 202 and movably attached to them with two times two guide pins 32, which go through parallel slots in the contact stacks 16/18, 17/19 and are made of metal.
  • the free end of the central arm 303 is mounted pivotably about the pivot axis 21.
  • the support plates 201, 202 and consequently also the contact carrier 20, the fork 31 and the contact stacks 16/18, 17/19 are mounted pivotably about the pivot axis 21 relative to the diverting contact 13 and the fixed contacts 14, 15.
  • the contact stacks 16/18, 17/19 and the contact carrier 20 thus form a lever on one side with respect to the pivot axis 21.
  • the contact stacks 16/18, 17/19 are arranged symmetrically to the lever 30 on both sides of the middle arm 303 and are supported with their back surfaces pointing away from the contact points via compression springs ( FIG. 4th ) on the side arms 301, 302.
  • the contact stacks 16/18, 17/19 are attached to the contact carrier 20 in such a way that they are each resiliently biased against the diverter contact 13 and the associated fixed contact 14, 15 in their first end position.
  • Each arcing contact 18; 19 and the respectively assigned moving contacts 16; 17 are designed and arranged in such a way and can be pivoted together in such a way that the respective consumable contact 18; 19 the first end position before its moving contacts 16; 17 takes and after them leaves.
  • the discharge contact 13, the fixed contacts 14, 15 and the moving contacts 16, 17 are made of copper.
  • the primary arcing contact 18 consists of a WCu alloy and the rest of copper in a first contact area which contains or surrounds the fifth contact point 26 and in a second contact area which contains or surrounds the sixth contact point 27. Consequently, it is more resistant to erosion and arcing in these contact areas than in its remaining area and than the corresponding contact areas of the primary moving contacts 16.
  • the secondary arcing contact 19 consists of a third contact area, which contains or surrounds the seventh contact point 28, and in one fourth contact area, which contains or surrounds the eighth contact point 29, made of a WCu alloy and the rest of copper. Consequently, it is more erosion-proof and more arc-resistant in these contact areas than in its remaining area and than the corresponding contact areas of the secondary moving contacts 17.
  • the contacts 13, 14, 15, 16, 17, 18, 19 are each monolithic.
  • the diverting contact 13 and the pivot axis 21 are arranged symmetrically between the fixed contacts 14, 15.
  • each primary fixed contact 14 In the first end position of each primary fixed contact 14, the first and second contact points 22, 23 lie on a first straight connecting line 33, which is perpendicular and skewed to the pivot axis 21, and delimit a first connecting path 34. That is, the end point of the perpendicular lying on the first straight connecting line 33 between the pivot axis 21 and the first straight connecting line 33 lies outside or inside the first connecting line 34.
  • Each secondary fixed contact 15 has the third and fourth contact points 24, 25 in the first end position on a second connecting straight line 36, which is perpendicular and skewed to the pivot axis 21, and delimit a second connecting line 37.
  • the plumb line 38 of the second connecting straight line 36 i.e. the end point of the perpendicular between the pivoting axis 21 and the second connecting straight line lying on the second connecting straight line 36 36, lies outside or inside b of the second link 37.
  • FIG. 2 and 3 a first embodiment of a diverter switch 11 and a first embodiment of an on-load tap-changer 12 are also shown schematically.
  • the on-load tap changer 12 comprises the diverter switch 11, a switching shaft 39 for driving the main switch 10 and a contact cylinder 40 through which the switching shaft 39 runs coaxially.
  • the diverter contact 13 and the fixed contacts 14, 15 are passed through the contact cylinder 40 and attached to it.
  • the pivot axis 21 is arranged parallel to the switching shaft 39 symmetrically between the switching shaft 39 and the diverter contact 13 and is closer to the first and second counterpoint than to the switching shaft 39.
  • the switching shaft 39, the pivot axis 21 and the center between the counterpoints lie on one Straight lines.
  • the diverter switch 11 comprises a base plate 41 (in FIG. 3 , 5 not shown) a framework (not shown in detail), a triangular driver 42 and a driver roller 43.
  • the switching shaft 39 and the lever 30 are rotatably mounted on the base plate 41.
  • the driver 42 sits non-rotatably on the shift shaft 39 and carries the driver roller 43 in one corner.
  • the driver roller 43 sits slidably in the elongated hole of the fork 31, so that a rotation of the shift shaft 39 via the driver 42, the driver roller 43 and the fork 31 the lever 30 pivots in opposite directions about the pivot axis 21 and this pivoting movement via the three bolts, the support plates 201, 202 and the four guide pins 32 are transferred to the contact stacks 16/18, 17/19.
  • the diverter switch 11 is shown in a first operating position in which the driver roller 43 is seated at the outer end of the elongated hole of the fork 31 and the primary contact stack 16/18 assumes its first end position and the secondary contact stack 17/19 assumes its second end position.
  • the driver roller 43 presses against the hole wall close to the primary fixed contact 14 and thus the primary contact stack 16/18 via the two guide pins 32 assigned to it against the diverter contact 13 and the primary fixed contact 14.
  • the diverter contact 13 and the secondary fixed contact 15 separate secondary contact stack 17/19 is pressed by the compression springs assigned to it against the two guide pins 32 assigned to it.
  • the moving contacts 16, 17 are thus connected to one another and to the consumable contacts 18, 19 in an electrically conductive manner.
  • the diverter switch 11 is shown in a second operating position, in which the driver roller 43 - as in the first operating position - sits at the outer end of the elongated hole of the fork 31 and the secondary contact stack 17/19 its first end position and the primary contact stack 16/18 occupies its second end position.
  • the driver roller 43 presses - unlike in the first operating position - against the hole wall close to the secondary fixed contact 15 and thus the secondary contact stack 17/19 via the two guide pins 32 assigned to it against the diverting contact 13 and the secondary fixed contact 15.
  • the from The primary contact stack 16/18 separated from the diverter contact 13 and the primary fixed contact 14 is secured by the compression springs assigned to it ( FIG. 4th ) pressed against the two guide pins 32 assigned to it.
  • the moving contacts 16, 17 are thus connected to one another and to the consumable contacts 18, 19 in an electrically conductive manner.
  • the second contact points 23 and the sixth contact point 27 separate more quickly from the primary fixed contact 14 than the fifth contact point 26 from the discharge contact 13, since they are radially further away from the pivot axis 21 than the fifth contact point 26.
  • FIG. 4th a second embodiment of the permanent main switch 10 is shown schematically in a partial section.
  • This permanent main switch 10 can also form, for example, a disconnector for the diverter switch 11.
  • This second embodiment is similar to the first embodiment, so that the differences are explained in greater detail below.
  • the permanent main switch 10 in the primary contact stack 16/18 comprises two primary consumable contacts 18 and four primary moving contacts 16, which are arranged in a stack such that the primary moving contacts 16 are arranged between the primary consumable contacts 18.
  • the figure shows the primary contact stack 16/18 on the left shortly before reaching or shortly after leaving the second end position and on the right in the second end position.
  • the compression springs 44 are shown between the back surfaces of the primary contact stack 16/18 or the back surfaces of the primary moving contacts 16 and the primary consumable contacts 18 and the side arm 301.
  • the secondary contact stack 17/19 has an analogous structure, but in FIG. 4th not shown.
  • FIG. 5 a second embodiment of the diverter switch 11 and a second embodiment of the on-load tap changer 12 are shown schematically. These second embodiments are similar to the first embodiments, so that the differences are mainly explained in more detail below.
  • the diverter switch 11 and the on-load tap changer 12 are three-phase.
  • the diverter switch 11 comprises for each phase U, V, W of a three-phase network a respective driver roller 43U, 43V, 43W, which are arranged in the corners of the driver 42, and in each case a permanent main switch 10U, 10V, 10W.
  • the three driver rollers 43 and the three permanent main switches 10 are arranged around the switching shaft 39, offset by 120 °, and are actuated synchronously by rotating the switching shaft 39.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Keying Circuit Devices (AREA)
  • Push-Button Switches (AREA)

Claims (16)

  1. Commutateur (10) pour un ou plusieurs dispositifs de commutation (11) comprenant :
    - un contact de sortie (13),
    - un contact fixe primaire (14),
    - un contact fixe secondaire (15),
    - un contact mobile primaire (16) qui peut prendre une première position de fin de course dans laquelle il s'appuie par un premier point d'appui (22) contre le contact de sortie (13) et un second point d'appui (23) pour s'appuyer contre le contact fixe primaire (14) et une seconde position de fin de course dans laquelle il est séparé de ses contacts (13, 14),
    - un contact mobile secondaire (17) qui a une première position de fin de course dans laquelle il s'appuie par un troisième point d'appui (24) contre le contact de sortie (13) et par un quatrième point d'appui (25) contre le contact fixe secondaire (15) ainsi qu'une seconde position de fin de course dans laquelle il est séparé de ces contacts (13, 15),
    - un premier contre-contact contre lequel vient le premier point d'appui (22) pour le contact de sortie (13), à distance d'un second contrepoint contre lequel s'appuie le troisième point d'appui (24) pour le contact de sortie (13),
    dans lequel
    - un axe de pivotement (21) est prévu symétriquement entre ces contrepoints, et
    - le contact mobile primaire (16) peut pivoter par rapport au contact de sortie (13) et au contact fixe primaire (14) autour de l'axe de pivotement (21),
    - le contact mobile secondaire (17) pivote par rapport au contact de sortie (13) et au contact fixe secondaire (15) autour de l'axe de pivotement (21),
    commutateur caractérisé en ce que
    - le contact de sortie (13) et l'axe de pivotement (21) sont disposés de manière symétrique entre les contacts fixes (14, 15).
  2. Commutateur (10) selon l'une des revendications précédentes,
    selon lequel
    - le contact de sortie (13) est monolithique,
    - le contact fixe primaire (14) est monolithique,
    - le contact fixe secondaire (15) est monolithique,
    - le contact mobile primaire (16) est monolithique,
    - le contact mobile secondaire (17) est monolithique.
  3. Commutateur (10) selon l'une des revendications précédentes,
    selon lequel
    - dans la première position de fin de course, le premier et le second point d'appui (22, 23) sont situés sur une première droite de liaison (33),
    - la première droite de liaison (33) est non parallèle ou perpendiculaire ou inclinée par rapport à l'axe de pivotement (21).
  4. Commutateur (10) selon l'une des revendications précédentes,
    selon lequel
    - dans la première position de fin de course, le premier et le second point d'appui (22, 23) sont sur une première droite de liaison (33) et délimitent un premier trajet de liaison (34),
    - la première droite de liaison (33) et l'axe de pivotement (21) se coupent et leur point d'intersection est à l'extérieur ou à l'intérieur du premier trajet de liaison (34) ou la première droite de liaison (33) et l'axe de pivotement (21) sont inclinés et le point de base (35) de la première droite de liaison (33) est à l'extérieur ou à l'intérieur du premier trajet de liaison (34).
  5. Commutateur (10) selon l'une des revendications précédentes, comprenant :
    - au moins un contact mobile primaire (16) supplémentaire qui peut pivoter par rapport au contact de sortie (13) et au contact fixe primaire (14) autour de l'axe de pivotement (21) et prendre une première position de fin de course dans laquelle il s'appuie contre le contact de sortie (13) et le contact fixe primaire (14) et une seconde position de fin de course dans laquelle il est séparé de ces contacts (13, 14), et/ou
    - au moins un contact mobile secondaire supplémentaire (17) qui peut pivoter par rapport au premier contact de sortie (13) et au contact fixe secondaire (15) autour de l'axe de pivotement (21) et peut prendre une première position de fin de course, dans laquelle il est appuyé contre le contact de sortie (13) et le contact fixe secondaire (15) et une seconde position de fin de course dans laquelle il est séparé de ces contacts (13, 15).
  6. Commutateur (10) selon l'une des revendications précédentes, comprenant :
    - un contact d'usure primaire (18) qui est pivotant par rapport au contact de sortie (13) et au contact fixe primaire (14) autour de l'axe de pivotement (21) pour prendre une première position de fin de course dans laquelle il s'appuie par un cinquième point d'appui (26) contre le contact de sortie (13) et par un sixième point d'appui (27) contre le contact fixe primaire (14) et une seconde position de fin de course dans laquelle il est séparé de ces contacts (13, 14),
    commutateur dans lequel
    - les contacts mobiles primaires (16) et les contacts d'usure primaires (18) sont montés pivotant en commun de façon qu'au moins l'un des contacts d'usure primaires (18) prenne sa première position de fin de course avant les contacts mobiles primaires (16) et quitte cette position seulement après les contacts mobiles primaires (16).
  7. Commutateur (10) selon la revendication 6,
    selon lequel
    - on a précisément un contact d'usure primaire (18) et au moins deux contacts mobiles primaires (16),
    - les contacts mobiles primaires (16) et le contact d'usure primaire (18) sont disposés de façon échelonnée pour que le nombre de contacts mobiles primaires (16) sur un côté du contact d'usure primaire (18) dépasse d'au plus une unité que le nombre de contacts mobiles primaires (16) sur le côté opposé du contact d'usure primaire (18).
  8. Commutateur (10) selon la revendication 6 ou 7,
    selon lequel
    - on a exactement deux contacts d'usure primaires (18) et au moins un contact mobile primaire (16),
    - les contacts mobiles primaires (16) et les contacts d'usure primaires (18) sont échelonnés de façon que les contacts mobiles primaires (16) se trouvent entre les contacts d'usure primaires (18).
  9. Commutateur (10) selon l'une des revendications 6 à 8,
    selon lequel
    - chaque contact d'usure (18, 19) est disposé dans la seconde position de fin de course par rapport aux contacts mobiles associés (16, 17) de façon que ses points d'appuis (26, 27, 28, 29) soient en relief par rapport aux points d'appuis (22, 23, 24, 25) de ces contacts mobiles (16).
  10. Commutateur (10) selon l'une des revendications 6 à 9, comprenant :
    - un porte-contact (20) ayant :
    * une première plaque de support (201),
    * une seconde plaque de support (202) montée pivotante autour de l'axe de pivotement (21) et parallèlement à la première plaque de support (201),
    commutateur dans lequel
    - les contacts mobiles (16, 17) et/ou les contacts d'usure (18, 19) sont prévus sur les plaques de support (201, 202) et entre les plaques de support (201, 202).
  11. Commutateur (10) selon la revendication 10,
    selon lequel
    - chaque contact mobile (16, 17) et/ou chaque contact d'usure (18, 19) est monté sur le porte-contact (20) de façon que dans la première position de fin de course il soit précontraint élastiquement contre le contact de sortie (13) et le contact fixe (14, 15) associé.
  12. Commutateur (10) selon l'une des revendications précédentes, selon lequel
    - l'axe de pivotement (21) est parallèle à l'arbre de commutation (39) pour entrainer le commutateur (10).
  13. Commutateur (10) selon la revendication 12,
    selon lequel
    - l'axe de pivotement (21) est plus près du premier et du second contre-contact que de l'arbre de commutation (39).
  14. Commutateur (10) selon la revendication 12 ou 13,
    selon lequel
    - l'axe de pivotement (21) est monté symétriquement entre l'arbre de commutation (39) et le contact de sortie (13).
  15. Commutateur (10) selon l'une des revendications précédentes, réalisé comme commutateur principal fixe ou comme disjoncteur (10) pour un changeur de prises en charge (12) ou un changeur de prises en charge dans un commutateur de charge (11).
  16. Commutateur de charge (11) pour un ou plusieurs changeurs de prises en charge (12) d'un transformateur de réglage comprenant :
    - un commutateur principal fixe (10) selon la revendication précédente et/ou un disjoncteur (10) selon la revendication précédente,
    - une conduite principale primaire reliée au contact fixe primaire (14), et
    - une ligne principale secondaire reliée au contact fixe secondaire (15).
EP15763234.0A 2015-08-28 2015-08-28 Commutateur de réglage en charge pour un graduateur de réglage en charge ainsi que interrupteur principal permanent et sectionneur associés Active EP3341948B1 (fr)

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PCT/EP2015/069752 WO2017036496A1 (fr) 2015-08-28 2015-08-28 Commutateur de réglage en charge pour un graduateur de réglage en charge ainsi que interrupteur principal permanent et sectionneur associés

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EP3341948B1 true EP3341948B1 (fr) 2020-11-25

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US (1) US11120962B2 (fr)
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JP (1) JP6771024B2 (fr)
KR (1) KR102508893B1 (fr)
CN (1) CN107924776B (fr)
BR (1) BR112018003926B1 (fr)
HK (1) HK1260894A1 (fr)
HR (1) HRP20210188T1 (fr)
RU (1) RU2713393C2 (fr)
UA (1) UA124231C2 (fr)
WO (1) WO2017036496A1 (fr)
ZA (1) ZA201800627B (fr)

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EP3989253A1 (fr) * 2020-10-26 2022-04-27 Hitachi Energy Switzerland AG Système de commande d'un interrupteur à vide pour un commutateur de dérivation de puissance, commutateur de dérivation de puissance et changeur de prises en charge
EP4044206A1 (fr) 2021-02-16 2022-08-17 Hitachi Energy Switzerland AG Unité de contact et système de contact pour un changeur de prise en charge et changeur de prise en charge
RU2770810C1 (ru) * 2021-07-21 2022-04-22 Общество с ограниченной ответственностью Компания "Объединенная Энергия" Механический привод высоковольтных разъединителей распределительного устройства

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Publication number Publication date
RU2018110609A3 (fr) 2019-10-01
KR20180044400A (ko) 2018-05-02
US11120962B2 (en) 2021-09-14
ZA201800627B (en) 2018-12-19
RU2018110609A (ru) 2019-10-01
JP6771024B2 (ja) 2020-10-21
JP2018525846A (ja) 2018-09-06
BR112018003926A2 (pt) 2018-09-25
WO2017036496A1 (fr) 2017-03-09
CN107924776B (zh) 2020-08-14
BR112018003926B1 (pt) 2024-03-05
US20200168420A1 (en) 2020-05-28
RU2713393C2 (ru) 2020-02-05
CN107924776A (zh) 2018-04-17
EP3341948A1 (fr) 2018-07-04
UA124231C2 (uk) 2021-08-11
HK1260894A1 (zh) 2019-12-27
KR102508893B1 (ko) 2023-03-09
HRP20210188T1 (hr) 2021-03-19

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