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EP3547341B1 - Steuerungssystem für einen schalter und unterstation mit solch einem steuerungssystem - Google Patents

Steuerungssystem für einen schalter und unterstation mit solch einem steuerungssystem Download PDF

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Publication number
EP3547341B1
EP3547341B1 EP18290025.8A EP18290025A EP3547341B1 EP 3547341 B1 EP3547341 B1 EP 3547341B1 EP 18290025 A EP18290025 A EP 18290025A EP 3547341 B1 EP3547341 B1 EP 3547341B1
Authority
EP
European Patent Office
Prior art keywords
arm
control system
control
connecting arm
sliding element
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
EP18290025.8A
Other languages
English (en)
French (fr)
Other versions
EP3547341A1 (de
Inventor
Valentin ESPIGARES
Romain Cavillon
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.)
GE Vernova GmbH
Original Assignee
General Electric Technology GmbH
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 General Electric Technology GmbH filed Critical General Electric Technology GmbH
Priority to EP18290025.8A priority Critical patent/EP3547341B1/de
Publication of EP3547341A1 publication Critical patent/EP3547341A1/de
Application granted granted Critical
Publication of EP3547341B1 publication Critical patent/EP3547341B1/de
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
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/42—Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/42—Driving mechanisms

Definitions

  • the invention relates on the high voltage circuit breakers and the control systems used for opening and closing such circuit breakers.
  • opening and closing of a circuit breaker is achieved by use of a control system in conjunction with a drive motor.
  • Such a control system commonly comprises:
  • Such a configuration does not provide a reliable connection between the drive system and the circuit breaker. Since the ratio in displacement between the control arm and the at least one connecting arm is constant, it is not possible to vary this in order to optimize the opening and the closing of the circuit breaker. Furthermore, with such a configuration, there is always a rebound effect on closing of the circuit breaker which disturbs the closing operation thereof.
  • the document WO 2014/198290 proposes to use a rotational cam and a casing for connecting the drive system to the circuit breaker.
  • a rotational cam and a casing for connecting the drive system to the circuit breaker.
  • the document JP 2010 135201 A proposes a control system according to the preamble of claim 1.
  • the present invention aims to resolve these aforementioned drawbacks. It is an object of the invention to provide a control system that allows a variable ratio of displacement between the control arm and the at least one connecting arm during the closing and the opening operation of the circuit breaker, and in particular, a control system that allows the circuit breaker to be closed at an appropriate speed so as to suppress any rebound effect.
  • the invention resides in a control system according to claim 1.
  • the kinetics of the closing/opening of the switch is controlled by the angular orientation of the track.
  • it is design the track so to optimize the terminal velocity of the closing of the switch in such a way so as to suppress the rebound effect.
  • control system is particularly interesting for a T-configuration in which the control arm in mounted for displacement along a first direction and at least the first switch comprises a mobile contact displaceable along the second direction which is perpendicular to the first direction.
  • the control system may control both a first switch and a second switch.
  • the first end of the first connecting arm may also be connected to the second switch.
  • This control system may further comprise a transmission mechanism for connecting the first end of the connecting arm with the first and the second switch.
  • the transmission mechanism may comprise at least first and second moving parts configured to move in opposite directions when the first connecting arm is moved along the second direction.
  • the first end of the connecting arm may comprise a toothed bar portion, wherein the transmission mechanism comprises for each of the first and second switch:
  • the first sliding element comprises a second track.
  • the control system further comprises:
  • the invention also relates to a high voltage substation comprising:
  • Figure 1 shows a control system 1 of the invention configured for connection of a first and a second circuit breaker (not shown) to a drive system (not shown).
  • the control system 1 of the invention comprises:
  • the control arm 10 is constrained for translation in the first direction 19, having its second end engaged in the first and second tracks 31 and 51.
  • the second ends 22, 42 of the first and second connecting arms 20, 40 are arranged to move integrally with the first and the second sliding elements 30, 50 respectively.
  • the control arm 10 is fork-shaped, with a central rod 13 comprising the first end 11 of the control arm 10 and three parallel legs 14A, 14B, 14C extending from the central rod 13 and comprising the second end of the control arm 10.
  • the central rod 13 and the three legs 14A, 14B, 14C extend in the first direction 19.
  • the three legs 14A, 14B, 14C of the control arm 10 are aligned in a first transverse direction perpendicular to the first direction 19, and each leg includes a hole 15 at the second end 12 of the control arm 10.
  • the holes 15 in the three legs 14A, 14B, 14C are aligned along a second transverse direction perpendicular to the first transverse direction and are configured to accommodate an axle 16.
  • the axle 16 includes first and second rollers 17A engaged in the first and the second tracks 31 and 51 respectively.
  • the first and second rollers 17A are arranged between the first and the second legs 14A, 14B and the second and the third legs 14B, 14C of the three legs of the control arm 10.
  • the first and second sliding elements 30, 50 have a planar parallelepiped rectangle form, the planar faces being parallel to a plane comprising the first and the second directions 19 and 29.
  • the first and second sliding elements 30, 50 further include rollers 32 on two sides thereof that are parallel to the second direction 29.
  • the first and second sliding elements 30, 50 also comprise first and second openings that form the first and the second tracks 31, 51 of the first and second sliding elements 30, 50 respectively.
  • the first and second tracks 31, 51 extend along the planar faces of the first and second sliding elements 30, 50 and comprise three successive sections, each oriented at a different angle 31A, 31B, 31C between the first and second directions 19 and 29. More precisely, in an open configuration illustrated in Figure 1 , the orientation angles of the three sections 31A, 31B, 31C are selected according to the desired kinematics of the opening and closing of the first and second circuit breaker.
  • the first and second tracks may be provided on a removeable part of the first and second sliding elements 30, 50 so as to facilitate adjustment of the opening and closing kinematics of the first and second circuit breakers by replacement of the removeable parts of the first and second sliding elements with tracks that are configured according to a new kinematic.
  • the first and second sliding elements 30, 50 are arranged inside a housing 60 comprising a hollow chamber with two pairs of rails 61A, 61B and 61C, 61D respectively that extend along the second direction 29.
  • Each pair of rails 61A, 61B and 61C, 61D form first and second guides for movement of the first and the second sliding elements 30, 50 parallel to each other.
  • the rollers 32, 52 of each of the first and second sliding elements 30, 50 engage with the rails 61A, 61B and 61C, 61D of the first and second guides respectively. This engagement constrains movement of the first and second sliding elements 30, 50 in the second direction 20.
  • the first and second connecting arms 20, 40 are arranged to move integrally with the first and second sliding elements 30, 50 respectively. In this way, the movement of first and second connecting arms 20, 40 is also constrained in the second direction 29.
  • control arm 10 moves in the first direction 19 from an open position to a closed position as illustrated on figures 1 and 2 :
  • FIGS 3 and 4 illustrate a control system not part of the invention. This control system differs from the above described control system in that it comprises a single sliding element 30 only.
  • control system 1 comprises:
  • the second end 21 of the first connecting arm 20 is configured to engage in the first track 31 and is constrained for movement in the second direction only.
  • the second end 12 of the control arm 10 is arranged for integral movement with the sliding element 30.
  • the control arm 10 comprise a central rod 13 with a two-legged fork provided at either end 11, 12 thereof.
  • the legs of each fork at each end of the control arm 10 extend parallel to each other along a plane comprising the first and second directions 19, 29.
  • Each leg of the forks comprises a through hole that is aligned with the hole in the other leg at the same end 11, 12, of the control arm 10 in the plane defined by the fork.
  • the first end 11 of the control arm 10 is connected by the means of an axle passing through the holes, to a rotating arm 71 of a drive system 70.
  • the first end 11 of the control arm 10 is connected to the drive system 70 by the axle 16 and the rotating arm 71.
  • the second end 12 of the control arm 10 is connected, by the means of an axle passing through the holes in the legs of the fork, to the first sliding element 30.
  • the first sliding element 30 of this control system has a planar parallelepiped rectangle form, the planar faces being parallel to a plane comprising the first and second directions.
  • the first sliding element 30 includes rollers 32 on two sides thereof that are parallel to the first direction 19.
  • the first sliding element 30 further includes a first opening that forms the first track 31 of the first sliding element 30.
  • the control system 1 also comprises two parallel rails 61A, 61B extending in the first direction 19, the rails 61A, 61B forming a guide for the first sliding element 30.
  • the rollers 32 of the first sliding element 30 engage with the rails 61A, 61B so that the first sliding element 30, is constrained for movement in the first direction 19 only.
  • the first connecting arm 20 has a longitudinal form and comprises a toothed bar portion 25 at the first end 21 and a two-legged fork at the second end 22 thereof.
  • the legs of the fork of the second end 22 extend parallel to each other along a plane comprising the second direction 29, perpendicular to the first direction 19.
  • Each fork leg comprises a through hole 23 aligned with the through hole 23 of the other leg of said two-legged fork along a line comprising the plane defined by the two-legged fork. These holes 23 accommodate an axle 24.
  • the axle 24 includes a roller, not shown, that engages with the first track 31 of the first sliding element 30, the roller being arranged between the legs of the fork of the first connecting arm 20.
  • the first connecting arm 20 is constrained for movement in the second direction 29 by the means of two guiding sleeves 65A, 65B, a first one of which is provided between the first sliding element 30 and the toothed bar portion 25, a second one of which is provided along a portion of the first end 21 of the first connecting arm 20 which is above the toothed bar portion. 25.
  • This control system further comprises:
  • the first end 21 of the first connecting arm 20 is connected to the first and second circuit breakers by the means of the first and second toothed gears 67A, 67B and the first and second toothed bars 66A, 66B.

Landscapes

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

Claims (2)

  1. Steuerungssystem (1) zum Steuern der Öffnung und des Verschlusses mindestens eines ersten Schalters und eines zweiten Schalters, wobei das Steuerungssystem (1) Folgendes umfasst:
    einen Steuerungsarm (10), der zur Verschiebung zwischen einer ersten und einer zweiten Position in eine erste Richtung (19) montiert ist, wobei der Steuerungsarm (10) ein erstes Ende (11) umfasst, das konfiguriert ist, um mit einem Antriebssystem verbunden zu sein, und ein zweites Ende (12) gegenüber dem ersten Ende (11),
    - einen ersten Verbindungsarm (20), der zur Verschiebung entlang einer zweiten Richtung (29) montiert ist und die erste Richtung (19) quert, wobei der erste Verbindungsarm (20) ein erstes Ende (21) zur Verbindung mit dem ersten Schalter und ein zweites Ende (22) gegenüber dem ersten Ende umfasst,
    - mindestens ein erstes Gleitelement (30), das eine erste Spur (31) umfasst,
    - einen zweiten Verbindungsarm (40), der für die Verschiebung in die zweite Richtung (29) montiert ist, wobei der zweite Verbindungsarm (40) ein erstes Ende (41) umfasst, das für die Verbindung mit dem zweiten Schalter konfiguriert ist, und ein zweites Ende (42) gegenüber dem ersten Ende (41),
    - ein zweites Gleitelement (50), das eine zweite Spur (51) umfasst,
    dadurch gekennzeichnet, dass
    das erste Gleitelement (30) für die Verschiebung in die zweite Richtung (29) montiert ist,
    wobei das zweite Ende des Steuerungsarms konfiguriert ist, um mit der ersten Spur einzugreifen, und für die Bewegung in die erste Richtung (19) eingeschränkt ist; und
    wobei das zweite Ende (22) des ersten Verbindungsarms (20) angeordnet ist, um sich einstückig mit dem ersten Gleitelement (30) zu bewegen,
    - das zweite Gleitelement (50) für die Verschiebung in die zweite Richtung (29) montiert ist,
    - wobei das zweite Ende (12) des Steuerungsarms (10) konfiguriert ist, um mit der zweiten Spur (51) einzugreifen und für die Bewegung in die erste Richtung (19) eingeschränkt ist; und
    wobei das zweite Ende (42) des zweiten Verbindungsarms (40) angeordnet ist, um sich einstückig mit dem zweiten Gleitelement (50) zu bewegen.
  2. Hochspannungs-Unterstation, umfassend:
    ein Steuerungssystem (1) nach Anspruch 1,
    mindestens einen Schalter, wobei der Schalter mit dem ersten Ende (21) des ersten Verbindungsarms (20) verbunden ist,
    ein Antriebssystem, wobei das Antriebssystem mit dem ersten Ende (11) des Steuerungsarms (10) verbunden ist.
EP18290025.8A 2018-03-28 2018-03-28 Steuerungssystem für einen schalter und unterstation mit solch einem steuerungssystem Active EP3547341B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18290025.8A EP3547341B1 (de) 2018-03-28 2018-03-28 Steuerungssystem für einen schalter und unterstation mit solch einem steuerungssystem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18290025.8A EP3547341B1 (de) 2018-03-28 2018-03-28 Steuerungssystem für einen schalter und unterstation mit solch einem steuerungssystem

Publications (2)

Publication Number Publication Date
EP3547341A1 EP3547341A1 (de) 2019-10-02
EP3547341B1 true EP3547341B1 (de) 2021-05-05

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Application Number Title Priority Date Filing Date
EP18290025.8A Active EP3547341B1 (de) 2018-03-28 2018-03-28 Steuerungssystem für einen schalter und unterstation mit solch einem steuerungssystem

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3590186A (en) * 1968-12-19 1971-06-29 Allis Chalmers Mfg Co Vacuum interrupter having series connected resistor and shunting means for the latter
JP5078858B2 (ja) * 2008-12-05 2012-11-21 中国電力株式会社 三相一括式遮断器
WO2013159819A1 (en) * 2012-04-26 2013-10-31 Abb Technology Ag Driving device for a current switching device
KR101786519B1 (ko) * 2013-01-08 2017-10-18 엘에스산전 주식회사 가스 절연 차단기
WO2014198290A1 (en) 2013-06-10 2014-12-18 Abb Technology Ag High-voltage switching device

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