GB1438192A - Breaker failure relay device - Google Patents

Breaker failure relay device

Info

Publication number
GB1438192A
GB1438192A GB2644973A GB2644973A GB1438192A GB 1438192 A GB1438192 A GB 1438192A GB 2644973 A GB2644973 A GB 2644973A GB 2644973 A GB2644973 A GB 2644973A GB 1438192 A GB1438192 A GB 1438192A
Authority
GB
United Kingdom
Prior art keywords
current
timer
fault
circuit
june
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
GB2644973A
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of GB1438192A publication Critical patent/GB1438192A/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
    • H02H3/02—Details
    • H02H3/05—Details with means for increasing reliability, e.g. redundancy arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/30—Staggered disconnection

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Keying Circuit Devices (AREA)
  • Breakers (AREA)
GB2644973A 1972-06-02 1973-06-04 Breaker failure relay device Expired GB1438192A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25912972A 1972-06-02 1972-06-02

Publications (1)

Publication Number Publication Date
GB1438192A true GB1438192A (en) 1976-06-03

Family

ID=22983650

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2644973A Expired GB1438192A (en) 1972-06-02 1973-06-04 Breaker failure relay device

Country Status (10)

Country Link
US (1) US3777215A (enExample)
JP (1) JPS5338413B2 (enExample)
BR (1) BR7304130D0 (enExample)
CA (1) CA1006962A (enExample)
DE (1) DE2326724C2 (enExample)
ES (1) ES415456A1 (enExample)
FR (1) FR2186767B1 (enExample)
GB (1) GB1438192A (enExample)
IT (1) IT988885B (enExample)
SE (1) SE395572B (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4096366A (en) * 1976-11-01 1978-06-20 General Electric Company Means for detecting a loss of vacuum in vacuum-type circuit interrupters used in polyphase a.c. vacuum circuit breaker
US4305108A (en) * 1979-09-21 1981-12-08 Westinghouse Electric Corp. Three-phase time overcurrent detector
FR2501930A2 (fr) * 1981-03-13 1982-09-17 Ardennes Champagne Estampage F Controleur de mouvements rotatifs et/ou lineaires adaptable sur toute installation ou appareil equipe d'au moins un capteur de detection de defaut du mouvement
US4835651A (en) * 1988-04-05 1989-05-30 Westinghouse Electric Corp. Loss-of-potential supervision for a distance relay
US6058353A (en) * 1997-01-23 2000-05-02 Commonwealth Edison Company System and method for providing backup protection for circuit breaker failure
US9042071B2 (en) 2010-06-14 2015-05-26 Abb Research Ltd Breaker failure protection of HVDC circuit breakers
WO2012136244A1 (en) * 2011-04-04 2012-10-11 Abb Technology Ag Fast breaker failure detection for hvdc circuit breakers
US9864008B2 (en) 2014-03-31 2018-01-09 Schweitzer Engineering Laboratories, Inc. Electric power system circuit breaker trip diagnostic
US10916936B2 (en) * 2017-10-04 2021-02-09 Mohammad Rezaei Jegarluei Circuit breaker failure protection in a power substation
US12181524B2 (en) 2022-07-12 2024-12-31 Schweitzer Engineering Laboratories, Inc. Trip circuit current display

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE464572C (de) * 1925-05-25 1928-08-24 Siemens Schuckertwerke Akt Ges Schutzrelais fuer elektrische Leitungen
GB248669A (en) * 1925-10-26 1926-03-11 Aeg Overload time-lag protective arrangements for electric circuits
GB553073A (en) * 1941-11-04 1943-05-06 Edwin Valentine Conroy Habgood Improvements in or relating to protective systems for electricity distribution networks
US3144585A (en) * 1962-05-22 1964-08-11 Texas Instruments Inc Logic control system for electrical power transmission network
US3259802A (en) * 1963-06-03 1966-07-05 Gen Electric Ground fault responsive protective system for electric power distribution apparatus

Also Published As

Publication number Publication date
SE395572B (sv) 1977-08-15
BR7304130D0 (pt) 1974-07-11
ES415456A1 (es) 1976-02-16
CA1006962A (en) 1977-03-15
JPS4956153A (enExample) 1974-05-31
FR2186767B1 (enExample) 1977-02-11
IT988885B (it) 1975-04-30
DE2326724A1 (de) 1973-12-20
US3777215A (en) 1973-12-04
DE2326724C2 (de) 1983-10-27
JPS5338413B2 (enExample) 1978-10-16
FR2186767A1 (enExample) 1974-01-11

Similar Documents

Publication Publication Date Title
ES422449A1 (es) Mejoras introducidas en un circuito electronico detector y de disparo para un interruptor de circuito.
GB1419418A (en) Fault detecting circuit
ES8202452A1 (es) Dispositivo de disparo electronico asociado al mecanismo de accionamiento de un disyuntor electrico de proteccion de unared multipolar
US3787708A (en) Monitor system for ground fault relay
SE7713409L (sv) Releskydd med trefasutlosning vid underspenning
GB1438192A (en) Breaker failure relay device
US3558981A (en) Ground relay system for multiple substation protection
US3673455A (en) High speed sensor for initiating circuit breaker tripping
GB1254515A (en) Ground fault circuit interrupters
EP0319151A3 (en) Circuit to prevent uncontrolled tripping of a protective relay
GB1452616A (en) Phase comparison relaying apparatus with two-count by-pass circuit
GB927167A (en) Improvements in or relating to systems for protection of an electric network by highspeed current cut-off
US2381254A (en) Circuit breaker control
GB1096279A (en) Protective relays
US3602776A (en) Quick resetting apparatus
GB923292A (en) Apparatus for detecting earth faults in electric current supply systems
GB1280739A (en) Improvements in or relating to distance protective systems for intermeshed electrical networks
GB1473837A (en) Electrical switchgear
ES371934A1 (es) Un sistema de proteccion para proteger contra corrientes deaveria redes de corriente electrica de potencia.
GB1212419A (en) Improvements relating to electrical protective arrangements
GB883660A (en) Improvements in and relating to electrical protective relay systems
GB543684A (en) Improvements in electric protective arrangements for sectionalized supply systems
US2385041A (en) Control system
JPS57119700A (en) Exciter controller
ES8200510A1 (es) Perfeccionamientos en interruptores de proteccion de co- rriente de defecto

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee