EP2876657A3 - Contact elements for medium to high voltage switches - Google Patents

Contact elements for medium to high voltage switches Download PDF

Info

Publication number
EP2876657A3
EP2876657A3 EP14189463.4A EP14189463A EP2876657A3 EP 2876657 A3 EP2876657 A3 EP 2876657A3 EP 14189463 A EP14189463 A EP 14189463A EP 2876657 A3 EP2876657 A3 EP 2876657A3
Authority
EP
European Patent Office
Prior art keywords
contact elements
medium
high voltage
switch
elements
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
EP14189463.4A
Other languages
German (de)
French (fr)
Other versions
EP2876657B1 (en
EP2876657A2 (en
Inventor
Per Skarby
Ueli Steiger
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.)
Hitachi Energy Ltd
Original Assignee
ABB Technology AG
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 Technology AG filed Critical ABB Technology AG
Priority to EP14189463.4A priority Critical patent/EP2876657B1/en
Publication of EP2876657A2 publication Critical patent/EP2876657A2/en
Publication of EP2876657A3 publication Critical patent/EP2876657A3/en
Application granted granted Critical
Publication of EP2876657B1 publication Critical patent/EP2876657B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • H01H1/502—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position the action of the contact pressure spring becoming active only after engagement of the contacts
    • 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
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/64—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid wherein the break is in gas
    • 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
    • H01H2033/028—Details the cooperating contacts being both actuated simultaneously in opposite directions

Landscapes

  • Push-Button Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Contacts (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)

Abstract

A medium or high voltage switch has a first set of contact elements (13a, 13b, 13c) and a second set of contact elements (14a, 14b, 14c). Each contact element consists of an insulating carrier (15) carrying conducting elements (16). In the closed state of the switch, the conducting elements (16) align to form one or more current paths between terminals (8, 9) of the switch along an axial direction (A). For opening the switch, the contact elements are mutually displaced by means of two drives (18, 19) along a direction (D) perpendicular to the axial direction (A) with the conducting elements (16) mounted onto the contact elements by means of springloaded pins (161,162).
EP14189463.4A 2013-11-26 2014-10-20 Contact elements for medium to high voltage switches Active EP2876657B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14189463.4A EP2876657B1 (en) 2013-11-26 2014-10-20 Contact elements for medium to high voltage switches

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP13194428 2013-11-26
EP14189463.4A EP2876657B1 (en) 2013-11-26 2014-10-20 Contact elements for medium to high voltage switches

Publications (3)

Publication Number Publication Date
EP2876657A2 EP2876657A2 (en) 2015-05-27
EP2876657A3 true EP2876657A3 (en) 2015-08-26
EP2876657B1 EP2876657B1 (en) 2021-07-07

Family

ID=49626871

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14189463.4A Active EP2876657B1 (en) 2013-11-26 2014-10-20 Contact elements for medium to high voltage switches

Country Status (2)

Country Link
EP (1) EP2876657B1 (en)
CN (1) CN104681330B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110473735B (en) * 2017-07-24 2021-04-02 许继集团有限公司 Isolating switch and moving contact thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3310640A (en) * 1964-11-11 1967-03-21 Reinhausen Maschf Scheubeck High current-carrying capacity switching devices requiring small contact pressures
US20120256711A1 (en) * 2011-04-11 2012-10-11 Abb Technology Ag Switch having two sets of contact elements and two drives

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2894095A (en) * 1954-07-08 1959-07-07 Ericsson Telefon Ab L M Contact device
DE2210626A1 (en) * 1972-03-06 1973-09-20 Licentia Gmbh INSULATION SUPPORT FOR COMPRESSED GAS INSULATED, METAL ENCLOSED HIGH VOLTAGE SWITCHGEAR
SE518234C2 (en) 2001-01-11 2002-09-10 Abb Ab Electrical device, current limiter, electric power grid and use of a current limiter
WO2010037424A1 (en) * 2008-10-03 2010-04-08 Abb Technology Ag Electric current limiting device
EP2511927B1 (en) 2011-04-11 2018-08-29 ABB Schweiz AG Switch having two sets of contact elements

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3310640A (en) * 1964-11-11 1967-03-21 Reinhausen Maschf Scheubeck High current-carrying capacity switching devices requiring small contact pressures
US20120256711A1 (en) * 2011-04-11 2012-10-11 Abb Technology Ag Switch having two sets of contact elements and two drives

Also Published As

Publication number Publication date
EP2876657B1 (en) 2021-07-07
CN104681330A (en) 2015-06-03
EP2876657A2 (en) 2015-05-27
CN104681330B (en) 2018-04-24

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