GB694623A - Improvements relating to automatic electric circuit breakers - Google Patents

Improvements relating to automatic electric circuit breakers

Info

Publication number
GB694623A
GB694623A GB28063/51A GB2806351A GB694623A GB 694623 A GB694623 A GB 694623A GB 28063/51 A GB28063/51 A GB 28063/51A GB 2806351 A GB2806351 A GB 2806351A GB 694623 A GB694623 A GB 694623A
Authority
GB
United Kingdom
Prior art keywords
toggle
circuit
breaker
contacts
trip
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
GB28063/51A
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.)
Landis and Gyr AG
Original Assignee
Landis and Gyr 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 Landis and Gyr AG filed Critical Landis and Gyr AG
Publication of GB694623A publication Critical patent/GB694623A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H02H3/10—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 additionally responsive to some other abnormal electrical conditions
    • H02H3/105—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 additionally responsive to some other abnormal electrical conditions responsive to excess current and fault current to earth
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/02—Constructional details
    • G01R11/12—Arrangements of bearings
    • G01R11/14—Arrangements of bearings with magnetic relief
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/02—Constructional details
    • G01R11/24—Arrangements for avoiding or indicating fraudulent use
    • 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
    • H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • H01H83/22—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages
    • H01H83/226—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages with differential transformer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)
GB28063/51A 1950-12-04 1951-11-29 Improvements relating to automatic electric circuit breakers Expired GB694623A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH694623X 1950-12-04

Publications (1)

Publication Number Publication Date
GB694623A true GB694623A (en) 1953-07-22

Family

ID=4529527

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28063/51A Expired GB694623A (en) 1950-12-04 1951-11-29 Improvements relating to automatic electric circuit breakers

Country Status (6)

Country Link
BE (1) BE506088A (it)
CH (1) CH285598A (it)
DE (1) DE857828C (it)
FR (1) FR1043655A (it)
GB (1) GB694623A (it)
NL (2) NL90296C (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109188039A (zh) * 2018-09-28 2019-01-11 国网重庆市电力公司电力科学研究院 一种带通信功能的反窃电智能表尾

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE966368C (de) * 1953-05-09 1957-08-01 Licentia Gmbh Fernsteuerempfangsrelais

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109188039A (zh) * 2018-09-28 2019-01-11 国网重庆市电力公司电力科学研究院 一种带通信功能的反窃电智能表尾
CN109188039B (zh) * 2018-09-28 2021-05-11 国网重庆市电力公司电力科学研究院 一种带通信功能的反窃电智能表尾

Also Published As

Publication number Publication date
DE857828C (de) 1952-12-01
CH285598A (de) 1952-09-15
NL90296C (it)
FR1043655A (fr) 1953-11-10
BE506088A (it)
NL158684B (nl)

Similar Documents

Publication Publication Date Title
JP3004387B2 (ja) しゃ断器の瞬間引外し装置
GB830018A (en) Protective device for electrical circuits and apparatus
US3539867A (en) Ground-fault protection systems
US3636410A (en) Automatic molded case circuit breaker with time-delay overcurrent tripping
US3629747A (en) Electromagnetic trip device for circuit interrupters
GB905773A (en) Electric circuit breaker
GB599407A (en) Improvements in or relating to automatic circuit-breakers
US2345105A (en) Circuit breaker
GB776244A (en) Improvements in repeating polyphase circuit interrupters
US2361221A (en) Automatically reclosing circuit interrupter
GB694623A (en) Improvements relating to automatic electric circuit breakers
US3227925A (en) Control for switch means
US2550496A (en) Nonoscillating protective control system
GB549554A (en) Improvements in or relating to automatic electric circuit breakers
US3072765A (en) Circuit breaker
US2813170A (en) Circuit breaker
US2620382A (en) Automatic reclosing circuit breaker
GB886267A (en) Electric circuit breakers embodying electromagnetic release means
US2860207A (en) Circuit interrupter tripping relay
US2709731A (en) Circuit breaker
US3043989A (en) Reclosing circuit breaker control system
US2318086A (en) Field discharge circuit breaker
GB783366A (en) Low-voltage high-current circuit interrupters
US2619561A (en) Circuit breaker
GB582643A (en) Improvements in or relating to spring operating-mechanism for electric switchgear