EP2965339B1 - System zum antrieb einer folgerkappe mittels auslöser für hochspannungserdungsvorrichtung - Google Patents

System zum antrieb einer folgerkappe mittels auslöser für hochspannungserdungsvorrichtung Download PDF

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Publication number
EP2965339B1
EP2965339B1 EP14709227.4A EP14709227A EP2965339B1 EP 2965339 B1 EP2965339 B1 EP 2965339B1 EP 14709227 A EP14709227 A EP 14709227A EP 2965339 B1 EP2965339 B1 EP 2965339B1
Authority
EP
European Patent Office
Prior art keywords
trigger
abutment
grounding
rod
follower
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.)
Not-in-force
Application number
EP14709227.4A
Other languages
English (en)
French (fr)
Other versions
EP2965339A1 (de
Inventor
Mathieu Bernard
Yoann PLY
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.)
General Electric Technology 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
Publication of EP2965339A1 publication Critical patent/EP2965339A1/de
Application granted granted Critical
Publication of EP2965339B1 publication Critical patent/EP2965339B1/de
Not-in-force 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
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/003—Earthing switches
    • 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
    • H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
    • H01H31/32—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with rectilinearly-movable contact

Definitions

  • the invention relates to electrical equipment for earthing in high voltage electrical installations.
  • Electrical installations such as high-voltage substations, are composed of multiple electrical devices that have fundamental functions, but different from each other. All of these devices have the function of distributing energy on high-voltage electricity networks, while protecting these networks.
  • Electrical high-voltage interruption devices concern networks supplied with AC power at voltages greater than 1,000 Volts. Perfect control of electrical energy requires the necessary means to control and control the flow of current in the electrical circuits that connect power plants to consumers. Such a mission is fundamentally the responsibility of devices whose control is to ensure as a priority the automatic protection of circuits against all incidents likely to disrupt its operation. These devices must also perform, on command, the various operations that make it possible to modify the configuration of the network under normal conditions of service. With these additional functions of voluntary control and automatic safety, the electrical devices contribute to the quality of the availability of the electricity network and its safety of use. The main quality of these electrical devices is not only to be available at all times, but also to intervene without failure, to the point of forgetting that they exist. Maintenance operations, even light and limited in number are both expensive and inconvenient for the operation. As a result, these devices are required to have near perfect reliability.
  • Grounding disconnectors are safety devices intended to establish a connection, via a rigid conductive material, between the live parts attached to a little or unknown potential, and the earth.
  • a ground disconnecting device and a high voltage substation comprising such a device.
  • a high-voltage station is gas-insulated and comprises a metal grounding shell and a high-voltage conductor coaxially disposed therein.
  • the device comprises an insulating tube disposed between the envelope and the conductor, perpendicular thereto, thus allowing supporting the conductor and guiding a conductive moving part of this conductor grounding.
  • the energy level, when closing a fast grounding device, in the field of high voltage or ultra high voltage is so high that there is a need to oversize each component of the device .
  • the object of the invention is to provide a drive system of a follower cover meeting this requirement, for an equipment earthing.
  • the follower cover is fixed to columns which are themselves fixed on a column-holder piece mounted to slide longitudinally and equipped with the movable stop capable of being driven by the second locking device and the trigger end of the trigger.
  • the earthing device to which the system according to the invention applies comprises, inter alia, a ground rod 1, slidably mounted longitudinally with respect to a guide housing 9 which symbolizes the frame of the grounding device.
  • a follower cover 2 is mounted around the grounding rod 1, by means of two columns 3, mounted themselves sliding longitudinally in the guide housing 9.
  • Driving means of the grounding rod 1 are required and are symbolized here by an operating rod 8 sliding this ground rod 1 in the direction of a fixed contact 20 of the grounding device.
  • the follower cover 2 is supposed to follow the longitudinal progression of the ground 1 over a large part of the race of the latter, to stop at a specific location, while the ground rod 1 continues its progression until it comes into contact with the fixed contact 20.
  • the driving system of the follower cover mainly comprises a trigger 6 pivotally mounted about a trigger axis 6A perpendicular to the longitudinal axis of the grounding rod 1 and therefore the setting device. Earth.
  • This axis of rotation of the trigger 6 is fixed relative to the grounding rod 1.
  • this trigger 6 undergoes the longitudinal comings and goings made by the grounding rod 1 relative to the guide housing 9.
  • a part called column-holder 10, supporting the columns 3 is also slidably mounted inside the guide housing 9.
  • the function of the trigger 6 is to drive the assembly column-holder 10 / columns 3 / follower hood 2 on the part determined the path of the ground rod 1, when closing the earthing device.
  • the figure 2 shows the same set as the figure 1 , except for the fixed contact 20. However, part of the guide housing 9 has been put back in its place and thus hides the inside of the assembly, including the drive system. There is still the follower cover 2, the ground rod 1, the columns 3, the guide housing 9 and the drive rod 8.
  • the figure 3 shows in detail the mechanism of the drive system according to the invention.
  • the main member is therefore the trigger 6 pivotally mounted around the trigger axis 6A mounted perpendicular to the grounding rod 1.
  • a first end called stop 6B of the trigger 6 has a round shape called roll 5.
  • the orientation of this end stop 6B is such that, whatever the angular position of the trigger 6, the roller 5 is on the trajectory of an abutment 10A of the column-holder 10 and placed at the opposite of the follower cap with respect to the roller 5.
  • a second so-called locking end 6C is angularly offset relative to the first end stop 6B of the trigger, at an angle of about 90 °.
  • This second locking end 6C has a hook shape so as to be able, after pivoting of the trigger 6 in the trigonometric direction with respect to this figure 3 , go on the trajectory of the abutment 10A of the column-holder 10.
  • the operating rod 8 is actuated by a geared motor not shown. It drives in longitudinal translation the slider 7 carrying the ground rod 1.
  • the trigger 6 has a position different from that represented on this figure 3 , that is, an angular offset in the trigonometric direction.
  • the locking end 6C passes under the abutment 10A of the column-holder 10. Consequently, from the beginning of the driving of the slider 7 by the operating rod 8, the column-holder 10 is driven in translation.
  • the follower cover follows the earth rod 1.
  • the trigger 6 is held in this position, said closed by a return spring not shown in these figures. On the figure 3 , the trigger 6 is not in the closed position, but is in an open position.
  • the connecting rod 8 drives the assembly of the earth rod 1, via the slide 7 in the opposite direction, that is to say say to the right on the figure 3 .
  • the roller 5 comes into contact with an abutment 10A of the column-holder 10, which has the effect of rotating the trigger 6 in the counterclockwise direction and returning it to the closed position, the end 6C of the trigger 6 to the right of the abutment 10A of the column holder 10.
  • the latter is thus driven together with the grounding rod 1 to the open position of the grounding device also taking the posts 10 and the follower hood.
  • the different strokes of the grounding rod and the follower hood can be easily adapted to the needs of each device.
  • the triggering spring 6 will automatically cause the balancer holder 10, when opening the quick ground device. This has the effect of ensuring that the follower cover has returned to its original position despite this defect.
  • the mechanism of this system is relatively simple and can be used on existing earthing control devices and can be of relatively low compactness.
  • this system can be adapted to any type of ground control.

Landscapes

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

Claims (2)

  1. System zum Antreiben einer Folgerkappe (2) für eine Schnellerdungsvorrichtung, wobei letztgenannte umfasst:
    - ein Führungsgehäuse (9), das fest ist;
    - eine Erdungsstange (1), die in Längsrichtung bezüglich des Führungsgehäuses (9) verschiebbar montiert ist, um in Kontakt mit einem festen Kontakt (20) der Erdungsvorrichtung gebracht werden zu können;
    - eine Folgerkappe (2), die koaxial zu der Erdungsstange (1) um sie herum platziert und dazu ausgelegt ist, dieser Erdungsstange (1) über einen vorbestimmten Teil ihres Wegs zu folgen, und
    - einen Schieber (7), an dem die Erdungsstange (1) befestigt ist, der durch eine Betätigungsstange (8) angetrieben und in Längsrichtung bezüglich des Führungsgehäuses (9) verschiebbar ist,
    wobei das System dadurch gekennzeichnet ist, dass es umfasst:
    - einen Drücker (6), der um eine Drückerachse (6A) schwenkbar ist, die orthogonal an der Erdungsstange (1) befestigt ist, wobei der Drücker selbst umfasst:
    * ein erstes sogenanntes Anschlagsende (6B), und
    * ein zweites sogenanntes Blockadeende (6C), das angulär bezüglich des ersten Anschlagsendes (6B) um ungefähr 90° versetzt ist,
    - einen festen Anschlag (9A) des Führungsgehäuses (9), der auf dem Weg des Anschlagsendes (6B) des Drückers (6) platziert ist, um den Drücker in dem Augenblick in einer ersten Richtung schwenken zu lassen, in dem die Folgerkappe (2) während des Schließens der Erdungsvorrichtung anhalten soll, und somit die Folgerkappe (2) zu befreien, und
    - einen beweglichen Anschlag (10A), der mit der Folgerkappe (2) verbunden und auf dem Weg des Anschlagsendes (6B) des Drückers (6) platziert ist, platziert auf der entgegengesetzten Seite zu dem festen Anschlag (9A) bezogen auf das Anschlagsende (6B) des Drückers, um den Drücker (6) in einer zweiten Richtung entgegengesetzt zur ersten Richtung während des Öffnens der Erdungsvorrichtung schwenken zu lassen und die Folgerkappe (2) zusammen mit der Erdungsstange (1) anzutreiben.
  2. System nach Anspruch 1, dadurch gekennzeichnet, dass die Folgerkappe (2) an Säulen (3) befestigt ist, die selbst wiederum an einem Säulenträgerelement (10) befestigt sind, das in Längsrichtung verschiebbar montiert ist und den Anschlag (10A) umfasst, das dazu ausgelegt ist, durch das Blockadeende (6C) und durch das Anschlagsende (6B) des Drückers (6) angetrieben zu werden.
EP14709227.4A 2013-03-05 2014-03-04 System zum antrieb einer folgerkappe mittels auslöser für hochspannungserdungsvorrichtung Not-in-force EP2965339B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1351940A FR3003096B1 (fr) 2013-03-05 2013-03-05 Systeme d'entrainement par gachette d'un capot suiveur pour un dispositif de mise a la terre haute tension
PCT/EP2014/054168 WO2014135533A1 (fr) 2013-03-05 2014-03-04 Systeme d'entrainement par gachette d'un capot suiveur pour un dispositif de mise a la terre haute tension

Publications (2)

Publication Number Publication Date
EP2965339A1 EP2965339A1 (de) 2016-01-13
EP2965339B1 true EP2965339B1 (de) 2017-02-22

Family

ID=48570298

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14709227.4A Not-in-force EP2965339B1 (de) 2013-03-05 2014-03-04 System zum antrieb einer folgerkappe mittels auslöser für hochspannungserdungsvorrichtung

Country Status (3)

Country Link
EP (1) EP2965339B1 (de)
FR (1) FR3003096B1 (de)
WO (1) WO2014135533A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3159909A1 (de) * 2015-10-19 2017-04-26 Siemens Aktiengesellschaft Erdungstrennschalter für elektrische hochspannungsgeräte

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2453194A1 (de) * 1974-11-09 1976-05-13 Bbc Brown Boveri & Cie Einschaltsicherer erdungsschalter fuer elektrische schalter
JPH0928011A (ja) * 1995-07-13 1997-01-28 Fuji Electric Co Ltd ガス絶縁開閉装置の断路器および接地開閉器
DE102006017131A1 (de) * 2006-04-12 2007-10-18 Areva Energietechnik Gmbh Dreistellungsschalter insbesondere für eine Mittel- oder Hochspannungsschaltanlage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
WO2014135533A1 (fr) 2014-09-12
FR3003096A1 (fr) 2014-09-12
EP2965339A1 (de) 2016-01-13
FR3003096B1 (fr) 2015-04-17

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