EP0348645A2 - Dispositif pour la coupure et le branchement rapide de petits courants pour sectionneurs d'appareillage de commutation entièrement isolé - Google Patents

Dispositif pour la coupure et le branchement rapide de petits courants pour sectionneurs d'appareillage de commutation entièrement isolé Download PDF

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Publication number
EP0348645A2
EP0348645A2 EP89108566A EP89108566A EP0348645A2 EP 0348645 A2 EP0348645 A2 EP 0348645A2 EP 89108566 A EP89108566 A EP 89108566A EP 89108566 A EP89108566 A EP 89108566A EP 0348645 A2 EP0348645 A2 EP 0348645A2
Authority
EP
European Patent Office
Prior art keywords
switch
quick
contact
switching pin
switching
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.)
Withdrawn
Application number
EP89108566A
Other languages
German (de)
English (en)
Other versions
EP0348645A3 (fr
Inventor
Herbert Dr.-Ing. Karrenbauer
Magnus Kulick
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs 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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of EP0348645A2 publication Critical patent/EP0348645A2/fr
Publication of EP0348645A3 publication Critical patent/EP0348645A3/fr
Withdrawn legal-status Critical Current

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    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts

Definitions

  • the invention relates to a device for switching on and off small currents for isolating switches by V.I.S. (fully insulated switchgear), with a contact housed in a housing filled with insulating gas, which can be moved into a counter contact by a motor drive.
  • V.I.S. fully insulated switchgear
  • Disconnectors are only operated when the circuit breakers are open, as defined, however, the control capacities via the switching paths of the circuit breakers and the capacity of the connected power supply units enable the compensation currents associated with these capacities to be switched on or off.
  • This isolating switch can only be actuated slowly, so that there is a large number of ignitions and interruptions in the isolating section both when switching on and off. Significant overvoltages are associated with these processes, which endanger both the insulation of the system itself and that of the secondary devices.
  • the invention has for its object to further develop a device of the type mentioned in such a way that the separation distance both when switching off, as when switching on, it is opened or bridged so quickly that at most one voltage breakdown occurs.
  • a quick-action switching pin is slidably mounted inside a switching pin, that the quick-action pin can be accelerated relative to the switching pin in the switching-on direction for making contact or in the switching-off direction for interrupting the contact by a quick-switching spring or a quick-switching spring, that the quick-switching spring is displaced by a displacement of the Switch pin can be tensioned in the switch-on direction, that the quick-release spring can be tensioned by moving the switch pin in the switch-off direction and that the quick switch pin is released by pawls depending on the stroke of the switch pin.
  • the invention has the advantage that the number of ignitions and interruptions during the disconnector run time is reduced from a few seconds to only one or a few ignitions and interruptions, and thus also the overvoltage stresses associated with these processes. which endanger the insulation of the system and that of the secondary devices are reduced in number accordingly.
  • a particularly advantageous development of the invention consists in producing the quick-switching pin from a resistance material. This results in an even further reduction in stress.
  • the capacitors are charged or recharged via the switching pin designed as a resistor. This dampens the compensation processes and reduces the resulting overvoltages accordingly.
  • Carbon fiber reinforced plastics, carbon fiber reinforced graphite and resistance alloys are suitable as materials for a pin designed as a resistor.
  • An embodiment is particularly expedient in which the quick-switching pin only serves to make contact or break contact and one of them
  • the quick switch pin that can be moved out of the counter contact or that can be retracted after the quick switch pin carries the nominal current. This avoids stress on the nominal current contact due to switching operations, in particular due to flashovers.
  • the device according to the invention can be used not only as an isolating switch but also as an earthing switch.
  • Earthing switches can be designed as working earth electrodes, which have the task of short-circuit-proof earthing of separated power supplies, they can also be designed as fast earth electrodes, which have to switch on for a short circuit in a power supply in order to earth this power supply.
  • working earth electrodes and fast earth electrodes With working earth electrodes and fast earth electrodes, the problem arises that, when the earth electrodes are opened, small currents of a maximum of a few hundred amperes must be interrupted compared to short-circuit currents. In the case of high-voltage lines running in parallel, these currents are transferred capacitively or inductively from the live system to the earthed system and must be switched off when the earth electrode is opened.
  • the device according to the invention can be used expediently both for switching on and for switching off.
  • the device according to the invention can be used in the switch-off direction for quick earth.
  • Figures 1 to 6 show the device for switching on and off small currents for isolating switches or earthing switches from VIS.
  • the parts shown are in a not shown insulating gas filled housing.
  • the drive is carried out by a motor, not shown, connected to the threaded spindle 2 directly or by means of a gear.
  • the device has a switching pin 1, which is longitudinally displaceable in such a way that it can be moved into a mating contact 11 or retracted into a housing 10.
  • This switching pin 1 is firmly connected on its side opposite the contact surface 24, for example with a nut 3, in which the threaded spindle 2 engages.
  • this switching pin 1 is also a sleeve-shaped quick-switching pin 4 which is longitudinally displaceable such that it can come into contact with a pre-contact piece 20 of the mating contact 11 and can be retracted together with the switching pin 1 into the housing 10 in another position.
  • This switching pin 1 has, in an area which faces away from the end face serving for making contact, a collar 7 which extends to the inner wall of the switching pin 1.
  • a quick-release spring 6 is mounted, which extends up to extends a stop which is located inside the sleeve of the switching pin 1 on the side of the contact surface 24.
  • the switching pin 1 is provided with a first slot 22 shown on the lower side.
  • An opening pawl 8 which is provided with a first opening lug 14, is arranged such that it engages with this opening lug 14 in this first slot 22 and can be brought into engagement with a second opening lug 15 arranged on the collar 1.
  • the switch-off pawl 8 additionally carries a switch-off cam 13, which is used to unlatch the switch-off lugs 14 and 15. To effect this release, a switch-off bevel 12 is attached to the end of the first slot 22 facing the contact surface 24, on which the switch-off cam 13 runs so that the switch-off pawl 8 is pressed outwards and the switch-off lugs 14 and 15 disengage.
  • the opening pawl 8 is expediently mounted at a pivot point and is pressed into its latching position by means of a spring.
  • the arrangement of the first switch-off lug 14 must be dimensioned such that when the quick-switching pin 4 and the pre-contact piece 20 come into contact with the second switch-off nose 15 comes into engagement position.
  • the switch-off cam 13 and the switch-off bevel 12 must be arranged in such a way that the switch-off cam 13 is pushed away in a position of the switch pin 1 in which the rapid switch-off spring 5 is maximally tensioned by retracting the switch pin 1 by means of the threaded spindle 2 when the switch-off lugs 14, 15 are latched.
  • the switching pin 1 is provided with a second slot 23 on the upper side.
  • a switch pawl 9 which can be designed in exactly the same way as the switch pawl 8, but arranged rotated by 180 ° relative to the latter.
  • the latch 9 is provided with a first latch 18 which engages in the slot 23 and can be brought into engagement there with a second latch 19 which is arranged on the collar 1.
  • the catch 9 also carries a switch cam 17, which is used to unlatch the switch lugs 18 and 19. To effect this release, a switch-on bevel 16 is attached to the end of the second slot 23 facing away from the contact surface 24, onto which the switch-on cam 17 runs and thereby presses the switch-on pawl 9 outwards.
  • the first switch-on lug 18 is arranged in such a way that it latches with the second switch-on lug 19 in a position of the quick-action switching pin 4 which, after the switch-off lugs 14, 15 have been unlatched, just reaches it with certainty due to its kinetic energy.
  • the switch-on cam 17 and the switch-on bevel 16 must be arranged in such a way that the switch-on cam 17 runs onto the switch-on bevels 16 at a maximum tension of the rapid switch-on spring 6 caused by advancing the switch pin 1 by means of the threaded spindle 2, and the switch-on lugs 18, 19 are thus unlatched .
  • the pre-contact piece 20 is slidably mounted against a pre-contact piece spring 21. The required contact pressure is guaranteed.
  • Fig. 1 shows the device in the state of complete switch-off, in which the threaded spindle 1 is maximally pulled to the left.
  • the switching pin 1 is maximally retracted into the housing 10 and also the quick switch pin 4 is in a position in which it is maximally retracted into the housing 10.
  • Fig. 2 shows the device in a position in which the readiness for pre-switching was brought about by the fact that the threaded spindle 2 has pushed the switching pin 1 so far to the right that the quick-start spring 6 is maximally tensioned and the switching cam 17 immediately in front of the switch-on slope 16 is present.
  • Fig. 3 shows the device in the state of pre-switching, which was brought about by the fact that the threaded spindle 2 has pulled the switching pin 1 a little bit to the left, whereby the switch-on cam 17 was pressed outwards by the switch-in bevel 16 and thereby the switch pawl 9 in has brought a position in which the first switch lug 18 and the second switch lug 19 have disengaged. Due to the relaxation of the quick-release spring 6, which is equipped with a corresponding spring constant, and the kinetic energy thereby achieved, the quick-switching pin 4 moves into a position in which contact is made with the pre-contact piece 20, as shown in FIG. 3.
  • the opening pawl 8 clicks into the second opening lug 15 with its first opening lug 14 and thereby locks the quick-release pin 4 in this position.
  • the latching of the opening pawl 8 is best brought about in that this opening pawl 8 is designed as a rotatable lever and is pressed into the latching position by a spring.
  • the pre-contact piece 20 is expediently mounted displaceably against the pressure of a pre-contact piece spring 21, as a result of which a reliable contact pressure is achieved in this position.
  • Fig. 5 shows the device ready to switch off.
  • the switching pin 1 is moved by the motor drive to the left by means of the threaded spindle 2 and the nut 3 until the switch-off cam 13 lies directly in front of the switch-off bevel 12.
  • the switching pin 1 was thus moved out of the counter contact 11 again without current, so that even when it was switched off, stresses caused by arcing between the contact surface 24 of the switching pin 1 and the corresponding contact surfaces of the counter contact 11 were completely avoided.
  • Fig. 6 shows the device in the state of provisional shutdown.
  • the device comes into this position in that the threaded spindle 2 moves the switching pin 1 a little further to the right, as a result of which the switch-off bevel 12 presses the switch-off cam 13 outwards and the switch-off pawl 8 is moved into a position in which the first switch-off nose 14 is out Engagement with the second switch-off nose 15 comes.
  • the quick-release spring 5 presses the quick-release pin 4 at a high speed into a position in which the switch pawl 9 comes with its first switch-in lug 18 with the second switch-in lug 19.

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
EP19890108566 1988-07-01 1989-05-12 Dispositif pour la coupure et le branchement rapide de petits courants pour sectionneurs d'appareillage de commutation entièrement isolé Withdrawn EP0348645A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3822411 1988-07-01
DE3822411 1988-07-01
DE19883832171 DE3832171A1 (de) 1988-07-01 1988-09-22 Einrichtung zur raschen ein- und ausschaltung von kleinen stroemen fuer trennschalter von v.i.s.
DE3832171 1988-09-22

Publications (2)

Publication Number Publication Date
EP0348645A2 true EP0348645A2 (fr) 1990-01-03
EP0348645A3 EP0348645A3 (fr) 1991-02-27

Family

ID=25869685

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890108566 Withdrawn EP0348645A3 (fr) 1988-07-01 1989-05-12 Dispositif pour la coupure et le branchement rapide de petits courants pour sectionneurs d'appareillage de commutation entièrement isolé

Country Status (2)

Country Link
EP (1) EP0348645A3 (fr)
DE (1) DE3832171A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3938711A1 (de) * 1989-11-17 1991-05-23 Siemens Ag Trennschalter fuer metallgekapselte, druckgasisolierte hochspannungsschaltanlagen
EP1054419A1 (fr) * 1999-05-17 2000-11-22 Alstom Sectionneur haute tension à contact mobile déplacé à grande vitesse
DE19936987C1 (de) * 1999-07-30 2001-01-25 Siemens Ag Hochspannungsschalter mit Lichtbogenkontakten und einer Elektrode
EP2221844A1 (fr) * 2009-02-24 2010-08-25 ABB Technology AG Dispositif de commutation
EP2544203A1 (fr) 2011-07-04 2013-01-09 ABB Technology AG Séparateur de charge haute tension électrique et procédé d'ouverture de celui-ci
EP2597662A1 (fr) * 2011-11-28 2013-05-29 ABB Technology AG Prise de terre pour installation moyenne ou haute tension isolée du gaz
EP2728602A1 (fr) * 2012-11-05 2014-05-07 ABB Technology AG Séparateur de charge haute tension électrique et procédé d'ouverture de celui-ci
FR3016470A1 (fr) * 2014-01-14 2015-07-17 Alstom Technology Ltd Sectionneur a detection de defaillance d'un ressort d'acceleration d'un contact d'arc
EP3226276A1 (fr) * 2016-03-31 2017-10-04 Siemens Aktiengesellschaft Sectionneur adapté aux moyennes et hautes tensions et méthode de déconnexion au moyen dudit sectionneur
EP3712920A4 (fr) * 2017-11-17 2020-12-02 Mitsubishi Electric Corporation Dispositif d'ouverture/fermeture
WO2022063556A1 (fr) * 2020-09-24 2022-03-31 Siemens Energy Global GmbH & Co. KG Dispositif de coupure en court-circuit
BE1029170B1 (de) * 2021-03-03 2022-10-03 Phoenix Contact Gmbh & Co Kontaktvorrichtung

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4023237A1 (de) * 1990-04-14 1991-10-17 Sachsenwerk Ag Schalteinrichtung mit einem lastschalter oder lasttrennschalter und einer sicherung
DE4210545A1 (de) * 1992-03-31 1993-10-07 Asea Brown Boveri Trennschalter für eine metallgekapselte gasisolierte Hochspannungsanlage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1665048A1 (de) * 1965-05-22 1971-01-28 Merlin Gerin Hochspannungs-Lasttrennschalter
EP0070248A2 (fr) * 1981-07-10 1983-01-19 Siemens Aktiengesellschaft Sectionneur
EP0138743A1 (fr) * 1983-08-15 1985-04-24 Siemens Aktiengesellschaft Sectionneur pour appareillage de commutation haute tension, logé dans une enceinte métallique à gaz comprimé

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3331819A1 (de) * 1983-09-01 1985-03-21 Siemens AG, 1000 Berlin und 8000 München Trennschalter fuer metallgekapselte, druckgasisolierte hochspannungsschaltanlagen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1665048A1 (de) * 1965-05-22 1971-01-28 Merlin Gerin Hochspannungs-Lasttrennschalter
EP0070248A2 (fr) * 1981-07-10 1983-01-19 Siemens Aktiengesellschaft Sectionneur
EP0138743A1 (fr) * 1983-08-15 1985-04-24 Siemens Aktiengesellschaft Sectionneur pour appareillage de commutation haute tension, logé dans une enceinte métallique à gaz comprimé

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3938711A1 (de) * 1989-11-17 1991-05-23 Siemens Ag Trennschalter fuer metallgekapselte, druckgasisolierte hochspannungsschaltanlagen
EP1054419A1 (fr) * 1999-05-17 2000-11-22 Alstom Sectionneur haute tension à contact mobile déplacé à grande vitesse
FR2793945A1 (fr) * 1999-05-17 2000-11-24 Alstom Sectionneur haute tension a contact mobile deplace a grande vitesse
DE19936987C1 (de) * 1999-07-30 2001-01-25 Siemens Ag Hochspannungsschalter mit Lichtbogenkontakten und einer Elektrode
EP2221844A1 (fr) * 2009-02-24 2010-08-25 ABB Technology AG Dispositif de commutation
WO2010097322A1 (fr) * 2009-02-24 2010-09-02 Abb Technology Ag Dispositif de commutation
CN102428537A (zh) * 2009-02-24 2012-04-25 Abb技术有限公司 开关装置
KR101255697B1 (ko) * 2009-02-24 2013-04-17 에이비비 테크놀로지 아게 스위칭 디바이스
EP2544203A1 (fr) 2011-07-04 2013-01-09 ABB Technology AG Séparateur de charge haute tension électrique et procédé d'ouverture de celui-ci
WO2013079354A1 (fr) * 2011-11-28 2013-06-06 Abb Technology Ag Sectionneur de terre pour équipement à moyenne ou haute tension avec isolation gazeuse
EP2597662A1 (fr) * 2011-11-28 2013-05-29 ABB Technology AG Prise de terre pour installation moyenne ou haute tension isolée du gaz
EP2728602A1 (fr) * 2012-11-05 2014-05-07 ABB Technology AG Séparateur de charge haute tension électrique et procédé d'ouverture de celui-ci
FR3016470A1 (fr) * 2014-01-14 2015-07-17 Alstom Technology Ltd Sectionneur a detection de defaillance d'un ressort d'acceleration d'un contact d'arc
WO2015107023A1 (fr) * 2014-01-14 2015-07-23 Alstom Technology Ltd Sectionneur a detection de defaillance d'un ressort d'acceleration d'un contact d'arc
KR20180123567A (ko) * 2016-03-31 2018-11-16 지멘스 악티엔게젤샤프트 매체 및 고전압을 위한 단속기 및 상기 단속기에 의한 단속을 위한 방법
WO2017167480A1 (fr) * 2016-03-31 2017-10-05 Siemens Aktiengesellschaft Sectionneur adapte aux moyennes et hautes tensions et methode de deconnexion au moyen dudit sectionneur
EP3226276A1 (fr) * 2016-03-31 2017-10-04 Siemens Aktiengesellschaft Sectionneur adapté aux moyennes et hautes tensions et méthode de déconnexion au moyen dudit sectionneur
CN108885957A (zh) * 2016-03-31 2018-11-23 西门子股份公司 用于中高电压的隔离开关及借助所述隔离开关的断开方法
CN108885957B (zh) * 2016-03-31 2020-06-16 西门子股份公司 用于中高电压的隔离开关及借助所述隔离开关的断开方法
EP3712920A4 (fr) * 2017-11-17 2020-12-02 Mitsubishi Electric Corporation Dispositif d'ouverture/fermeture
US11069494B2 (en) 2017-11-17 2021-07-20 Mitsubishi Electric Corporation Switchgear
WO2022063556A1 (fr) * 2020-09-24 2022-03-31 Siemens Energy Global GmbH & Co. KG Dispositif de coupure en court-circuit
BE1029170B1 (de) * 2021-03-03 2022-10-03 Phoenix Contact Gmbh & Co Kontaktvorrichtung

Also Published As

Publication number Publication date
DE3832171C2 (fr) 1990-06-21
EP0348645A3 (fr) 1991-02-27
DE3832171A1 (de) 1990-01-04

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