GB719917A - Polarised electro-magnetic tripping device for an electric switch - Google Patents

Polarised electro-magnetic tripping device for an electric switch

Info

Publication number
GB719917A
GB719917A GB30766/52A GB3076652A GB719917A GB 719917 A GB719917 A GB 719917A GB 30766/52 A GB30766/52 A GB 30766/52A GB 3076652 A GB3076652 A GB 3076652A GB 719917 A GB719917 A GB 719917A
Authority
GB
United Kingdom
Prior art keywords
armature
current
linkage
catch
tripping
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
Application number
GB30766/52A
Other languages
English (en)
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.)
BBC Brown Boveri AG Germany
BBC Brown Boveri France SA
Original Assignee
Brown Boveri und Cie AG Germany
BBC Brown Boveri France SA
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 Brown Boveri und Cie AG Germany, BBC Brown Boveri France SA filed Critical Brown Boveri und Cie AG Germany
Publication of GB719917A publication Critical patent/GB719917A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/22—Instruments transformers for single phase ac
    • H01F38/28—Current transformers
    • H01F38/30—Constructions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2272—Polarised relays comprising rockable armature, rocking movement around central axis parallel to the main plane of the armature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/08—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by reversal of dc
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/081—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current and depending on the direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
GB30766/52A 1951-12-29 1952-12-04 Polarised electro-magnetic tripping device for an electric switch Expired GB719917A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH296462T 1951-12-29

Publications (1)

Publication Number Publication Date
GB719917A true GB719917A (en) 1954-12-08

Family

ID=41278604

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30766/52A Expired GB719917A (en) 1951-12-29 1952-12-04 Polarised electro-magnetic tripping device for an electric switch

Country Status (4)

Country Link
CH (1) CH296462A (de)
DE (1) DE910084C (de)
FR (1) FR1067082A (de)
GB (1) GB719917A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2809251A (en) * 1955-05-11 1957-10-08 Westinghouse Electric Corp Circuit interrupter
DE1189651B (de) * 1960-10-11 1965-03-25 Siemens Ag Verfahren zur Herstellung elektrischer Rundwickelkondensatoren
GB2227606A (en) * 1988-12-15 1990-08-01 Chance Co Ab Latch and trip mechanism

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2809251A (en) * 1955-05-11 1957-10-08 Westinghouse Electric Corp Circuit interrupter
DE1189651B (de) * 1960-10-11 1965-03-25 Siemens Ag Verfahren zur Herstellung elektrischer Rundwickelkondensatoren
GB2227606A (en) * 1988-12-15 1990-08-01 Chance Co Ab Latch and trip mechanism
GB2227606B (en) * 1988-12-15 1992-11-25 Chance Co Ab Sensitive latch and trip mechanism

Also Published As

Publication number Publication date
CH296462A (de) 1954-02-15
DE910084C (de) 1954-04-29
FR1067082A (fr) 1954-06-11

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