DE3679782D1 - CURRENT-LIMITING ELECTRICAL SWITCH WITH CONTACT OPENING THROUGH ELECTRODYNAMIC REPELLATION. - Google Patents

CURRENT-LIMITING ELECTRICAL SWITCH WITH CONTACT OPENING THROUGH ELECTRODYNAMIC REPELLATION.

Info

Publication number
DE3679782D1
DE3679782D1 DE8686201744T DE3679782T DE3679782D1 DE 3679782 D1 DE3679782 D1 DE 3679782D1 DE 8686201744 T DE8686201744 T DE 8686201744T DE 3679782 T DE3679782 T DE 3679782T DE 3679782 D1 DE3679782 D1 DE 3679782D1
Authority
DE
Germany
Prior art keywords
repellation
electrodynamic
current
electrical switch
contact opening
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.)
Expired - Fee Related
Application number
DE8686201744T
Other languages
German (de)
Inventor
Angelo Mostosi
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 SACE SpA
Original Assignee
ABB SACE SpA
SACE SpA
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 SACE SpA, SACE SpA filed Critical ABB SACE SpA
Application granted granted Critical
Publication of DE3679782D1 publication Critical patent/DE3679782D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H77/00—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
    • H01H77/02—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism
    • H01H77/10—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening
    • H01H77/102—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening characterised by special mounting of contact arm, allowing blow-off movement
    • H01H77/104—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening characterised by special mounting of contact arm, allowing blow-off movement with a stable blow-off position
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2418—Electromagnetic mechanisms combined with an electrodynamic current limiting mechanism
    • H01H2071/2427—Electromagnetic mechanisms combined with an electrodynamic current limiting mechanism with blow-off movement tripping mechanism, e.g. electrodynamic effect on contacts trips the traditional trip device before it can unlatch the spring mechanism by itself
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/0253—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch two co-operating contacts actuated independently
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2418—Electromagnetic mechanisms combined with an electrodynamic current limiting mechanism
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
    • H01H71/522—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism
    • H01H71/525—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism comprising a toggle between cradle and contact arm and mechanism spring acting between handle and toggle knee

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
DE8686201744T 1985-10-18 1986-10-08 CURRENT-LIMITING ELECTRICAL SWITCH WITH CONTACT OPENING THROUGH ELECTRODYNAMIC REPELLATION. Expired - Fee Related DE3679782D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2345885U IT206253Z2 (en) 1985-10-18 1985-10-18 ELECTRIC CIRCUIT BREAKER CURRENT LIMITER FOR OPENING OF CONTACTS FOR ELECTRODYNAMIC REPULSION.

Publications (1)

Publication Number Publication Date
DE3679782D1 true DE3679782D1 (en) 1991-07-18

Family

ID=11207280

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686201744T Expired - Fee Related DE3679782D1 (en) 1985-10-18 1986-10-08 CURRENT-LIMITING ELECTRICAL SWITCH WITH CONTACT OPENING THROUGH ELECTRODYNAMIC REPELLATION.

Country Status (3)

Country Link
EP (1) EP0223272B1 (en)
DE (1) DE3679782D1 (en)
IT (1) IT206253Z2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ300885B6 (en) * 2002-01-22 2009-09-02 Oez S.R.O. Tension spring hinge, in particular for springs of switching devices
CZ300886B6 (en) * 2002-03-25 2009-09-02 Oez S.R.O. Release gear, in particular of switching mechanisms of circuit breakers and disconnect switches
CN104022000B (en) * 2014-05-27 2017-04-05 通能顺达科技国际有限公司 A kind of fast reaction departs from breaker and the fast reaction of breaker departs from method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL112822C (en) * 1958-07-30
US3469216A (en) * 1966-07-12 1969-09-23 Nikko Electric Mfg Co Ltd High speed current limiting circuit breaker utilizing electromagnetic repulsion
NL142271B (en) * 1967-01-27 1974-05-15 Terasaki Denki Sangyo Kk AUTOMATIC GEARBOX WITH MOVABLE CONTACT RODS OPENING UNDER THE EFFECT OF ELECTRODYNAMIC FORCES.
DE3133285C2 (en) * 1981-08-22 1984-05-30 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Auto switch

Also Published As

Publication number Publication date
EP0223272A3 (en) 1989-07-26
IT206253Z2 (en) 1987-07-13
EP0223272A2 (en) 1987-05-27
EP0223272B1 (en) 1991-06-12
IT8523458V0 (en) 1985-10-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee