EP1032006A2 - Dispositif de commande - Google Patents

Dispositif de commande Download PDF

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Publication number
EP1032006A2
EP1032006A2 EP00660029A EP00660029A EP1032006A2 EP 1032006 A2 EP1032006 A2 EP 1032006A2 EP 00660029 A EP00660029 A EP 00660029A EP 00660029 A EP00660029 A EP 00660029A EP 1032006 A2 EP1032006 A2 EP 1032006A2
Authority
EP
European Patent Office
Prior art keywords
control
control device
switching device
switching
control plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP00660029A
Other languages
German (de)
English (en)
Other versions
EP1032006A3 (fr
EP1032006B1 (fr
Inventor
Alpo Aronen
Harri Lintunen
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.)
ABB Technology AG
Original Assignee
ABB Transmit Oy
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 ABB Transmit Oy filed Critical ABB Transmit Oy
Publication of EP1032006A2 publication Critical patent/EP1032006A2/fr
Publication of EP1032006A3 publication Critical patent/EP1032006A3/fr
Application granted granted Critical
Publication of EP1032006B1 publication Critical patent/EP1032006B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
    • H01H9/281—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock
    • H01H9/282—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock and a separate part mounted or mountable on the switch assembly and movable between an unlocking position and a locking position where it can be secured by the padlock
    • 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
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/003—Earthing switches

Definitions

  • the present invention relates to a control device according to the preamble in claim 1.
  • a control device is intended to be arranged to a three-position switching device in particular, used for example in cells forming high voltage apparatuses, the switching motion control of such a cell being carried out from a control shaft in one control point.
  • the switching device is then controlled by turning the control shaft clockwise or counter-clockwise.
  • the switching device is governed by a rotational crank or another corresponding manual control unit arranged at the outer end, or tuning end, of the control shaft.
  • Prior art solutions generally employ two separate simultaneously visible control points of the switching device, whereby access to one of the control points can always be prevented, for example, by blocking or closing in some other way an undesirable control attempt.
  • Separate mechanical intermediate locking mechanisms are generally used for this purpose.
  • An example of such a mechanism is a blocking plate that mechanically moves between the control points in accordance with the positions of the switching device.
  • Such a blocking plate is arranged to alternately close a crank opening in the casing of the apparatus leading to the control point and to the tuning end of the control shaft therein.
  • Carrying out servicing, measuring and testing associated with the condition of high voltage cables connected to the cells in the apparatuses has also proven to be complicated. It has proven to be particularly problematic to turn the switching device to the open position, when the procedures to be carried out in the high voltage space in the cell so require, while the switching device is turned to the earthed position in order to open the lid of the high voltage space.
  • the lid isolating the high voltage space is closed and locked with a separate locking means that totally prevents the opening of the lid when the switching device is turned to the closed or open position.
  • Normally safe working conditions can be provided by replacing the lid with a separate test door when the switching device is turned to the earthed position. When used appropriately the test door prevents the switching device to be incorrectly turned to the closed position.
  • the present invention can avoid said problems and provide a totally new solution by arranging to a desired equipment, cell or apparatus a control device allowing to safely use and lock the switching device, and also enabling to check and service the apparatus by employing simple means.
  • control device comprises the characteristic features disclosed in the claims.
  • apparatus of the invention is mainly characterized by what is claimed in the characterizing part of claim 1.
  • the control device of the invention provides an independent modular mechanism, the preferred embodiment of which comprises a part controlling the switching control of the switching device and a locking function of a service lid closing a high voltage space of a cell in a high voltage apparatus, for example.
  • the solution of the invention successfully integrates separate equipment into one very simple entity.
  • the most simple control device thus comprises an entity to be arranged to the housing or covering structures with only two fixing screws.
  • the switching control and the locking function of the lid isolating the high voltage space are connected to said entity.
  • two different crank openings are provided for a three-position switching device including one axis, even though the switching device comprises only one control shaft with receiving tuning ends of a manual controller.
  • the switching functions open-closed and open-earthed typical to the switching device of the voltage apparatus, are separated as specific switching positions.
  • a rotational crank functioning as the manual controller is removed from the tuning end of the control shaft, whereafter the control plate position has to be changed in the control device of the invention.
  • Four different operating positions can, for example, be accomplished with an apparatus provided with the control device of the invention in order to enable various control or locking measures.
  • control device can also be used to open and close a lid in an equipment or apparatus, such as a service lid of a high voltage space of a cell in a high voltage apparatus.
  • an equipment or apparatus such as a service lid of a high voltage space of a cell in a high voltage apparatus.
  • the lid is locked, thus preventing all access to the high voltage space of the cell.
  • the service lid is arranged to be opened.
  • the switching device In order to provide such a function the switching device must be in the earthed position. Only thereafter can the control device be moved to the operating position releasing the service lid. When the service lid is released it can either be detached or opened, whereafter the control device can again be reset to the previous open-earthed operating position where the switching device can, if desired, be turned to the open position.
  • the position in question is a testing position allowed by the control device of the invention, and the necessary testing and other checking measures to be carried out in the high voltage space can thus be performed by opening the high voltage space by utilizing the control device.
  • the control device of the invention thus allows to shift to testing and servicing through a logical operating chain from a single selector in the control device.
  • the switching device Since each control function of the switching device has a specific separate operating position in the control device, the switching device is easy to lock so that the switching device cannot be controlled by the manual controller using, for example, a padlock arranged at the control device.
  • the invention provides significant advantages.
  • the control device is an independent unit, all functions of which are fixedly placed into a single device.
  • the control device is not functionally connected to the surrounding structures and can thus easily be arranged to any switching device including one axis.
  • a control plate that has a simple structure and is very easy to manufacture and to use attends to the switching control functions of the control device.
  • the control device is very easy to mount.
  • the control device comprises simply a housing with a slot which can be arranged, for example, at a sheet metal edge on the outer casing of the receiving cell, whereafter the device is locked to the apparatus with two screws.
  • control device can easily fulfil the requirements concerning the tightness class required of the apparatus, for example IEC 60298, requirements of class IP3X.
  • control device of the present invention can also be arranged to regulate the possibilities of opening the lids in the apparatus, such as the service lid, when testing cables, and thus ensuring a safe working environment for the service and installation personnel.
  • the functions of the control device can be prevented by arranging locks restricting the movements of the control plate thereto.
  • Padlocks are preferably used for this purpose.
  • the use of a padlock enables the control device to restrict the use of various areas.
  • the locking possibility also remains when the lid in the apparatus is opened or removed, in which case a chance to operate the switching device remains but, if desired, only in a restricted way.
  • Additional means allow the control device to be locked into a particular position or positions using several locks.
  • the control device can be arranged with a specific lock for each mechanic, whereby the switching control function and the following switching function of a voltage apparatus cannot be carried out until the last lock has been removed. Locking also ensures that motor-driven control is not allowed.
  • the probable motor-driven control can be closed, for example, using an electric micro switch placed in the control plate of the control device.
  • the micro switch then recognizes the position of the control plate by identifying the position where motor-driven control can be used.
  • the first operating position of the control device, in which the switching device can be turned between "Open” and “Closed” positions, is preferably such a position. Consequently, for example, a closed apparatus provided with an open service lid cannot be controlled using remote-control by mistake driven by the motor therein.
  • Additional means allow one or more fixed locks to be arranged to the control device of the invention. Such locks can also be arranged to operate when the service lid of the apparatus is open. The fixed lock then functions as an alternative to the padlock and provides a chance for apparatus-specific keys. A key can then be removed merely in connection with the locking. When fixed locks are used they can also be arranged in series with the fixed locks of other apparatuses to offer additional locking possibilities.
  • a preferred embodiment of the invention comprises a solution according to the attached Figures 1-5.
  • Such a control device 1 is arranged to a cell 2 forming a high voltage apparatus of Figure 1 and particularly to an outer casing 4 of a low voltage space 3 in the cell preferably with a few self-drilling screws. Consequently it is very easy to attach the control device to an apparatus since the connection is very firm, thus ensuring a reliable function of the apparatus.
  • control device 1 of the invention comprises, for example, a housing 5 to be arranged to the low voltage space 3 of the cell 2 comprising a mounting slot 6 receiving the edge of the outer casing 4.
  • a control plate 7 slidably arranged to a control slot 8 in the housing of the device and arranged to move in parallel with the outer casing surface forms the most important part of the control device.
  • a preferred embodiment of the control plate comprises two adjacent crank openings 10 penetrating the plate and receiving a manual controller 9 controlling a switching device. What are known as necks 11 and 12 are formed on the control plate between the crank openings and on both sides thereof.
  • the crank openings in the control plate can alternately be moved at a tuning end 13 in the control shaft extending to the switching device in order to arrange a rotational crank using the switching device or another equivalent manual controller 9 to the tuning end.
  • the crank openings therein will alternately be at the tuning end 13, in which case the manual controller is arranged to the switching device in order to carry out control motion.
  • arranging the manual controller to the tuning end can be prevented by at least partly blocking the tuning end with the neck, i.e. the middle neck 11, between the crank openings 10 in the control plate in accordance with Figure 2.
  • the tuning end can also be blocked with the necks, i.e. the side necks 12, on either side of the crank openings in accordance with Figure 3.
  • the length of the rotational motion of the manual controller can be separately and differently regulated in each crank opening by providing the surface of the manual controller with a blocking means 14 or by forming the manual controller surface so that it comprises a protruding ridge and by arranging control sectors 15 receiving such a ridge to the crank openings of the control plate.
  • the control plate of the control device 1 can thus be formed such that when the first crank opening thereof is at the tuning end of the switching device the switching device can be turned only between the switch positions "open” and "closed”.
  • the control sector in the crank opening determines the movement of the manual controller as such that only positions "open” and "earthed” can be selected by the control motion of the manual controller 9.
  • the control device 1 of the invention and the control plate therein can thus easily ensure that the switching device cannot be turned directly from the "Closed" position to the "Earthed” position, which turning could damage the switching device and the apparatus connected thereto.
  • the geometrical shapes of the crank openings 10 in the control plate also enable to partly or entirely prevent the movements of the manual controller 9 controlling the switching device. Consequently the movements of the manual controller can be partly restricted by the form of the control sectors 15 in the control plate or entirely restricted by preventing the access of the manual controller to the tuning end by selecting an operating position for the control plate that blocks the tuning end at least partly.
  • the preferred embodiment of the control device 1 of the invention comprises four operating positions.
  • the control functions of said operating positions are schematically shown in Figures 6 and 7 a-e.
  • the switching device In the first operating position (I) of the control device shown in Figure 7a, the switching device can be turned from the closed position to the open position or from the open position to the closed position. The switch of the apparatus can then be in the closed, open or earthed position.
  • the switching device In the second operating position (II) of the control device shown in Figure 7b, the switching device cannot be turned at all, as the middle neck 11 between the crank openings 10 blocks the tuning end 13 of the control shaft, thus preventing the arrangement of the manual controller 9 to the control shaft controlling the switching device.
  • the switching device then maintains the position selected thereto, i.e.
  • the switch can be in the closed, open or earthed position.
  • the tuning end of the switching device is again released and the switching device can thus be turned from the open position to the earthed position or from the earthed position to the open position.
  • the switch can be in the closed, open or earthed position.
  • the fourth operating position (IV) of the control device shown in Figure 7d the side neck 12 of the control plate 7 prevents the access of the manual controller to the tuning end, and the switching device cannot be turned.
  • the switch is then in the earthed position, since the blocking means 16 arranged between the control plate and the tuning end 13 affects the movements of the control plate.
  • the blocking means enables the control device to be moved into the latest operating position only when the switching device is turned to the earthed position.
  • a blocking means comprises, for example, a pin 17 projecting towards the switching device at the edge of the control plate 7 according to Figures 9 or 10, the pin being arranged to hit the tuning end 13 of the control shaft of the switching device when it is turned to another position than said earthed position of the switching device.
  • the tuning end comprises a cut 18 into which the pin is arranged to slide when the switching device is turned to said earthed position.
  • a selector arm 19 is preferably arranged to protrude from said control plate, the selector arm preferably being manually operated from outside the cell. Then the selector arm is arranged to penetrate through a lid 20 closing a low voltage space, for example, through an opening 21 in the lid. In order to prevent the use of the operating positions in the control device or in order to lock the control device into a desired operating position, the control plate can be locked to be stationary.
  • selector arm 19 allows the control plate to be attached to be stationary to one or more locations in the housing 5 of the apparatus or to be attached to a mounting plate 22 in the outer casing of the apparatus or apparatus part receiving the device or to be attached to said mounting plate firmly fastened to the casing through known mechanical elements therein and locks arranged thereto to be set opposite or against each other.
  • the selector arm 19 according to the Figures is therefore provided with at least one locking hole 23 as the mounting plate is provided with, for example, four locking holes 24 in accordance with Figure 2.
  • the locking holes 23 and 24 of the selector arm and the mounting plate can alternately be arranged against each other to the operating positions, in which case the holes can be arranged with, for example, a padlock 25 to prevent the movements of the control plate.
  • the controls of the switch in the cell can still be locked by arranging a lock to the locking holes 23 and 24 placed against each other in the control device of the invention.
  • the control device of the invention fulfills the three lock requirement, according to which the switching device cannot by mistake be turned to the closed position. It is possible to restrict the use of various areas by a plurality of locks to be mounted to the device by employing accessories such as locking scissors arranged to the control device 1.
  • the control device is provided with a locking system 26 according to Figure 10 in order to enable the opening and closing of the lid 20 leading to the low voltage space 3 irrespective of the locking of the control device 1.
  • a locking system comprises a locking comb 27 moving together with the control plate 7 and a locking frame 28 arranged to be stationary regarding the control plate.
  • Such a locking frame is arranged with a desired amount of desired locking bodies 29 arranged with key holes in the low voltage space lid to enable the locks to be used also when the lid is closed. Only the space used in the low voltage space, i.e. the width of the low voltage space, restricts the number of locks used.
  • the locking comb 27 can be a fixed part of the control plate 7 or it can be mechanically attached thereto to be stationary, for example by welding.
  • the locking comb comprises bolt sockets 30 for receiving lock bolts 31 in the locking bodies 29 arranged to the locking frame 28.
  • the locking frame is either arranged to be stationary in the control device housing 5 or the low voltage space 3 in such a manner that the lock bolts of the locking bodies extend to the bolt sockets when turning the key placed in the lock.
  • the locking system 26 operates as described below.
  • the locking comb 27 and the locking frame 28 are locked to be stationary in relation to each other using at least one lock in the locking frame. Since there are generally several bolt sockets 30 in the locking comb and a plurality of locks in the locking frame, the locking can, if needed, be carried out using several locks.
  • the control device 1 of the invention can in accordance with another preferred embodiment be arranged with a switching means of a service lid 33 closing a high voltage space 32 in the cell 2 preventing the opening of the service lid. Then the service lid is arranged to the outer casing of the cell in a manner known per se, either using hinges or in accordance with Figures 8 and 9 using gripping elements receiving the edge of the service lid.
  • Such a switching means comprises, for example, a bolt 36 to be directed to an edge 34 of the service lid 33 according to Figures 8 and 9 or to a gripping means 35 arranged thereto and preventing the movements thereof.
  • the bolt is at least partly arranged to the control slot 8 and is then arranged by the movement of the control plate 7 in the control slot to penetrate towards the edge of the service lid, thus preventing the lid to be opened or removed from the apparatus.
  • the bolt is thus forced to lock the service lid 33 in position in the operating positions I-III of the control plate 7.
  • the switching means comprises a cylindrical bolt 36 which penetrates the housing 5 of the control device and is provided with a variable diameter and is arranged to move substantially in parallel with its longitudinal axis substantially in parallel with the front surface of the cell 2.
  • the cross section of the bolt may also be arranged to resemble a tetragon or a polygon, whereby several flanges protrude from the bolt in the same way as the cylindrical bolt.
  • a slot 37 for receiving the bolt is arranged to the portion in the control slot of the control plate. The slot is shaped so as to gradually taper in such way that the bolt or a part thereof penetrates the control plate in each operating position.
  • the bolt and the slot are arranged to co-operate in such a manner that in the operating positions I-III of the control device the bolt extends to the service lid 33 or to the gripping means 35 arranged thereto, thus preventing the bolt from being removed from the position closing the high voltage space of the cell.
  • the cross section of the bolt comprises six portions.
  • the bolt comprises a support part 38, small in diameter, which is arranged to move in a support hole 39 extending from the control slot 8 in the housing 5.
  • the support part is preferably arranged with a spring element 40 in order to provide motion in parallel with the longitudinal axis of the bolt.
  • the slot 37 in the control plate is also arranged to receive the support part in all the operating positions of the control plate.
  • a locking portion 41 which is the largest part in diameter in the bolt.
  • the locking portion When the support part moves in the slot the locking portion is arranged to move along a lower surface 42 of the portion in the control slot of the control plate 7 to the operating position IV of the control device 1. In this operating position the slot expands sufficiently to enable the vertical motion of the bolt, when the bolt moves upwards forced by the spring element 40 until it hits the housing 5. Said vertical motion of the bolt in the operating position IV is arranged to release the service lid 33, which can then be opened or removed from the cell in order to carry out-servicing, for example.
  • the locking portion of the bolt is next followed at the slot 37 by a testing portion 43 of the bolt, which is smaller in diameter than the locking portion but larger in diameter than the support part.
  • the function of the testing portion is to enable to move the control plate 7 merely between the operating position IV and III.
  • a part receiving the testing portion which is somewhat wider than the support part, is arranged in the slot of the control plate between the narrowest support part 38 of the bolt and the parts receiving the widest locking portion 41, for example in accordance with Figure 4.
  • the control plate can be moved between the operating positions III and IV, whereby the apparatus can, if needed, be switched to the open position in the operating position III, for example, in order to carry out necessary tests.
  • the testing portion 43 is preferably followed by a control part 44 and attachment parts 45 and 46 arranged to the service lid or the gripping means thereof.
  • the control part is then arranged to support the bolt when it moves controlled by the spring means to the position opening the service lid or when closing the service lid towards the locking position.
  • the part between the control slot and the service lid in the housing 5 is preferably provided with control holes in order to receive the control part.
  • the attachment parts comprise a pin with flanges arranged to grip the forked opening of the gripping means protruding from the edge 34 of the service lid and to lift the service lid into the open position while the bolt moves upwards and prevents the service lid from detaching when the bolt is in the lower position in the operating positions I-III.
  • the service lid 33 of the high voltage space 32 cannot be reset in position in the operating position III of the control device, while the slot 37 of the control plate prevents the vertical motion of the bolt 36 of the switching device.
  • the apparatus In order to attach the service lid the apparatus must at first be turned to the earthed position to release the motion of the control plate 7, whereafter the control plate can be reset to the operating position IV where the bolt is released to carry out vertical motion and can again be turned to the position closing the service lid 33, simultaneously enabling the control plate to be moved into all operating positions.

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Patch Boards (AREA)
  • Mechanical Control Devices (AREA)
  • Feedback Control In General (AREA)
  • Testing Of Engines (AREA)
EP00660029A 1999-02-23 2000-02-18 Dispositif de commande Expired - Lifetime EP1032006B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI990386 1999-02-23
FI990386A FI106155B (fi) 1999-02-23 1999-02-23 Ohjainlaite

Publications (3)

Publication Number Publication Date
EP1032006A2 true EP1032006A2 (fr) 2000-08-30
EP1032006A3 EP1032006A3 (fr) 2001-11-21
EP1032006B1 EP1032006B1 (fr) 2008-10-15

Family

ID=8553912

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00660029A Expired - Lifetime EP1032006B1 (fr) 1999-02-23 2000-02-18 Dispositif de commande

Country Status (6)

Country Link
EP (1) EP1032006B1 (fr)
CN (1) CN1154135C (fr)
AU (1) AU762088B2 (fr)
BR (1) BR0000656A (fr)
DE (1) DE60040502D1 (fr)
FI (1) FI106155B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2826500A1 (fr) * 2001-06-20 2002-12-27 Alstom Commande de sectionneur ayant une butee de fin de course pour la communtation manuelle du sectionneur
FR2826501A1 (fr) * 2001-06-20 2002-12-27 Alstom Commande de sectionneur ayant une logique d'interverrouillage implantee dans une piece rotative amovible
EP3322052A1 (fr) * 2016-11-14 2018-05-16 Schneider Electric Industries SAS Selecteur de fonctionnement d'un sectionneur de mise a la terre
CN114242493A (zh) * 2021-12-20 2022-03-25 深圳市金龙格王电子有限公司 一种高精密的弱电开关控制系统

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006024007A1 (de) * 2006-05-23 2007-11-29 Abb Technology Ag Schaltgerät für eine elektrische Schaltanlage zur Energieverteilung
US20120186953A1 (en) * 2009-09-30 2012-07-26 Mitsubishi Electric Corporation Switch-lock fitting and control device
CN103021705B (zh) * 2012-12-05 2014-11-26 施耐德万高（天津）电气设备有限公司 一种带有手动/自动转换装置的自动转换开关电器
CN103337390A (zh) * 2013-06-25 2013-10-02 江苏大全长江电器股份有限公司 开关单孔操作机构的操作联锁装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1803163A (en) * 1929-06-12 1931-04-28 Gen Electric Electric switch
GB1080072A (en) * 1963-01-07 1967-08-23 J G Statter Ltd Improvements in or relating to electric switch fuses
FI96804C (fi) * 1994-11-25 1996-08-26 Abb Transmit Oy Käsiohjain
US5700985A (en) * 1996-02-29 1997-12-23 Eaton Corporation Interlock latch for electrical operator

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2826500A1 (fr) * 2001-06-20 2002-12-27 Alstom Commande de sectionneur ayant une butee de fin de course pour la communtation manuelle du sectionneur
FR2826501A1 (fr) * 2001-06-20 2002-12-27 Alstom Commande de sectionneur ayant une logique d'interverrouillage implantee dans une piece rotative amovible
EP1271589A1 (fr) * 2001-06-20 2003-01-02 Alstom Commande de sectionneur ayant une butée de fin de course pour la commutation manuelle du sectionneur
EP1271588A1 (fr) * 2001-06-20 2003-01-02 Alstom Commande de sectionneur ayant une logique d'interverrouillage implantée dans une pièce rotative amovible
EP3322052A1 (fr) * 2016-11-14 2018-05-16 Schneider Electric Industries SAS Selecteur de fonctionnement d'un sectionneur de mise a la terre
FR3058828A1 (fr) * 2016-11-14 2018-05-18 Schneider Electric Industries Sas Selecteur de fonctionnement d'un sectionneur de mise a la terre
US11616347B2 (en) 2016-11-14 2023-03-28 Schneider Electric Industries Sas Cam selector for an earthing switch
CN114242493A (zh) * 2021-12-20 2022-03-25 深圳市金龙格王电子有限公司 一种高精密的弱电开关控制系统

Also Published As

Publication number Publication date
AU1844400A (en) 2000-08-24
CN1154135C (zh) 2004-06-16
CN1264908A (zh) 2000-08-30
FI990386A7 (fi) 2000-08-24
BR0000656A (pt) 2000-09-05
EP1032006A3 (fr) 2001-11-21
AU762088B2 (en) 2003-06-19
FI990386A0 (fi) 1999-02-23
FI106155B (fi) 2000-11-30
DE60040502D1 (de) 2008-11-27
EP1032006B1 (fr) 2008-10-15

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