GB1069093A - Improved circuit breaker control system - Google Patents

Improved circuit breaker control system

Info

Publication number
GB1069093A
GB1069093A GB42207/63A GB4220763A GB1069093A GB 1069093 A GB1069093 A GB 1069093A GB 42207/63 A GB42207/63 A GB 42207/63A GB 4220763 A GB4220763 A GB 4220763A GB 1069093 A GB1069093 A GB 1069093A
Authority
GB
United Kingdom
Prior art keywords
transistor
capacitor
voltage
circuit
resistor
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
GB42207/63A
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.)
Allis Chalmers Corp
Original Assignee
Allis Chalmers 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 Allis Chalmers Corp filed Critical Allis Chalmers Corp
Publication of GB1069093A publication Critical patent/GB1069093A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08Emergency 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
    • H02H3/093Emergency 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 with timing means
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08Emergency 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
    • H02H3/083Emergency 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 for three-phase systems

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Transmission Devices (AREA)
GB42207/63A 1962-11-01 1963-10-25 Improved circuit breaker control system Expired GB1069093A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US234820A US3262017A (en) 1962-11-01 1962-11-01 Static overcurrent tripping device

Publications (1)

Publication Number Publication Date
GB1069093A true GB1069093A (en) 1967-05-17

Family

ID=22882964

Family Applications (1)

Application Number Title Priority Date Filing Date
GB42207/63A Expired GB1069093A (en) 1962-11-01 1963-10-25 Improved circuit breaker control system

Country Status (3)

Country Link
US (1) US3262017A (2)
JP (1) JPS4530297Y1 (2)
GB (1) GB1069093A (2)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2000400A (en) * 1977-06-23 1979-01-04 Matthews G Overload protection circuit
US4246623A (en) 1978-09-08 1981-01-20 Westinghouse Electric Corp. Protective relay device
GB2135146A (en) * 1983-01-31 1984-08-22 Gen Electric I2t protection systems
GB2181909A (en) * 1985-10-18 1987-04-29 Westinghouse Electric Corp Power supply trip control for nuclear reactor
US4747994A (en) * 1985-10-18 1988-05-31 Westinghouse Electric Corp. Reactor trip control with voltage sensing
CN103913659A (zh) * 2014-03-30 2014-07-09 河北工业大学 瞬动保护测试仪及其运行方法
CN113767535A (zh) * 2019-05-02 2021-12-07 埃伦贝格尔及珀恩斯根有限公司 保护开关

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3329870A (en) * 1965-02-19 1967-07-04 Square D Co Static tripping device for an electric circuit breaker
US3315130A (en) * 1965-04-13 1967-04-18 Ite Circuit Breaker Ltd Current-sensing circuit
GB1124492A (en) * 1965-04-23 1968-08-21 Reyrolle A & Co Ltd Improvements relating to electric timing circuits
US3345539A (en) * 1965-07-19 1967-10-03 Allis Chalmers Mfg Co Static overcurrent tripping system having phase-to-phase and phase-to-ground fault protection
US3383561A (en) * 1966-04-04 1968-05-14 Allis Chalmers Mfg Co Pulse width modulation control system
US3419757A (en) * 1966-04-08 1968-12-31 Gen Electric Overcurrent protective means
US3445725A (en) * 1967-02-02 1969-05-20 Whirlpool Co Solid state lock-out circuit for compressor
US3363144A (en) * 1967-03-21 1968-01-09 Ite Circuit Breaker Ltd Current-sensing circuit
CA855386A (en) * 1968-10-07 1970-11-03 Westinghouse Electric Corporation Overcurrent protective device
US3531692A (en) * 1969-03-03 1970-09-29 Combustion Eng Activity detector having increased accuracy of response
US3657605A (en) * 1969-07-02 1972-04-18 Ass Elect Ind Overcurrent transient non-responsive trip device
CA926933A (en) * 1970-02-25 1973-05-22 Allis-Chalmers Manufacturing Company Regulated direct current voltage supply
US3590326A (en) * 1970-06-18 1971-06-29 Westinghouse Electric Corp Overcurrent protective device
US3611037A (en) * 1970-06-24 1971-10-05 Westinghouse Electric Corp Ground fault protective device
CH534444A (de) * 1972-05-23 1973-02-28 Sprecher & Schuh Ag Elektronisches Motorschutzrelais mit stromabhängiger Auslösung
US4305108A (en) * 1979-09-21 1981-12-08 Westinghouse Electric Corp. Three-phase time overcurrent detector

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE25762E (en) * 1965-04-13 Protective relay
US2959717A (en) * 1958-09-25 1960-11-08 Controllix Corp Voltage responsive relay
US3018416A (en) * 1959-02-19 1962-01-23 Westinghouse Electric Corp Static overcurrent trip device
US3178619A (en) * 1960-02-23 1965-04-13 Cons Electronics Ind Detector circuit
FR1267270A (fr) * 1960-06-09 1961-07-21 Electronique Et D Automatique Dispositif de commande d'un relais de protection pour circuit d'alimentation électrique
US3155879A (en) * 1960-12-07 1964-11-03 Gen Electric Tripping arrangement for an electric circuit breaker
US3144586A (en) * 1962-08-15 1964-08-11 Westinghouse Electric Corp Protective relay assemblies

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2000400A (en) * 1977-06-23 1979-01-04 Matthews G Overload protection circuit
US4246623A (en) 1978-09-08 1981-01-20 Westinghouse Electric Corp. Protective relay device
GB2135146A (en) * 1983-01-31 1984-08-22 Gen Electric I2t protection systems
GB2181909A (en) * 1985-10-18 1987-04-29 Westinghouse Electric Corp Power supply trip control for nuclear reactor
US4747994A (en) * 1985-10-18 1988-05-31 Westinghouse Electric Corp. Reactor trip control with voltage sensing
GB2181909B (en) * 1985-10-18 1990-02-14 Westinghouse Electric Corp Control system for trip coil
CN103913659A (zh) * 2014-03-30 2014-07-09 河北工业大学 瞬动保护测试仪及其运行方法
CN113767535A (zh) * 2019-05-02 2021-12-07 埃伦贝格尔及珀恩斯根有限公司 保护开关
CN113767535B (zh) * 2019-05-02 2024-05-10 埃伦贝格尔及珀恩斯根有限公司 保护开关

Also Published As

Publication number Publication date
JPS4530297Y1 (2) 1970-11-20
US3262017A (en) 1966-07-19

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