EP0223272A3 - Current-limiter electrical circuit breaker, with contact opening by electrodynamic repulsion - Google Patents

Current-limiter electrical circuit breaker, with contact opening by electrodynamic repulsion Download PDF

Info

Publication number
EP0223272A3
EP0223272A3 EP86201744A EP86201744A EP0223272A3 EP 0223272 A3 EP0223272 A3 EP 0223272A3 EP 86201744 A EP86201744 A EP 86201744A EP 86201744 A EP86201744 A EP 86201744A EP 0223272 A3 EP0223272 A3 EP 0223272A3
Authority
EP
European Patent Office
Prior art keywords
current
circuit breaker
electrical circuit
contact opening
electrodynamic repulsion
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
EP86201744A
Other versions
EP0223272A2 (en
EP0223272B1 (en
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
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 SACE SpA filed Critical SACE SpA
Publication of EP0223272A2 publication Critical patent/EP0223272A2/en
Publication of EP0223272A3 publication Critical patent/EP0223272A3/en
Application granted granted Critical
Publication of EP0223272B1 publication Critical patent/EP0223272B1/en
Expired 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)
EP19860201744 1985-10-18 1986-10-08 Current-limiter electrical circuit breaker, with contact opening by electrodynamic repulsion Expired EP0223272B1 (en)

Applications Claiming Priority (2)

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.
IT2345885U 1985-10-18

Publications (3)

Publication Number Publication Date
EP0223272A2 EP0223272A2 (en) 1987-05-27
EP0223272A3 true EP0223272A3 (en) 1989-07-26
EP0223272B1 EP0223272B1 (en) 1991-06-12

Family

ID=11207280

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19860201744 Expired EP0223272B1 (en) 1985-10-18 1986-10-08 Current-limiter electrical circuit breaker, with contact opening by electrodynamic repulsion

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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1232636A (en) * 1958-07-30 1960-10-11 Licentia Gmbh Switch suitable preferably for large currents, for example circuit breaker controlled electromagnetically by an instantaneous release or the like
FR1551832A (en) * 1967-01-27 1968-12-27
US3469216A (en) * 1966-07-12 1969-09-23 Nikko Electric Mfg Co Ltd High speed current limiting circuit breaker utilizing electromagnetic repulsion
EP0072972A2 (en) * 1981-08-22 1983-03-02 Licentia Patent-Verwaltungs-GmbH Automatic switch

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1232636A (en) * 1958-07-30 1960-10-11 Licentia Gmbh Switch suitable preferably for large currents, for example circuit breaker controlled electromagnetically by an instantaneous release or the like
US3469216A (en) * 1966-07-12 1969-09-23 Nikko Electric Mfg Co Ltd High speed current limiting circuit breaker utilizing electromagnetic repulsion
FR1551832A (en) * 1967-01-27 1968-12-27
EP0072972A2 (en) * 1981-08-22 1983-03-02 Licentia Patent-Verwaltungs-GmbH Automatic switch

Also Published As

Publication number Publication date
EP0223272A2 (en) 1987-05-27
EP0223272B1 (en) 1991-06-12
DE3679782D1 (en) 1991-07-18
IT8523458V0 (en) 1985-10-18
IT206253Z2 (en) 1987-07-13

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