GB9322523D0 - Circuit breaker trip circuit supervision - Google Patents

Circuit breaker trip circuit supervision

Info

Publication number
GB9322523D0
GB9322523D0 GB939322523A GB9322523A GB9322523D0 GB 9322523 D0 GB9322523 D0 GB 9322523D0 GB 939322523 A GB939322523 A GB 939322523A GB 9322523 A GB9322523 A GB 9322523A GB 9322523 D0 GB9322523 D0 GB 9322523D0
Authority
GB
United Kingdom
Prior art keywords
circuit
supervision
breaker trip
circuit breaker
trip circuit
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
GB939322523A
Other versions
GB2272119A (en
GB2272119B (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.)
Alstom UK Ltd
Original Assignee
GEC Alsthom Ltd
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
Priority claimed from GB929222789A external-priority patent/GB9222789D0/en
Application filed by GEC Alsthom Ltd filed Critical GEC Alsthom Ltd
Priority to GB9322523A priority Critical patent/GB2272119B/en
Publication of GB9322523D0 publication Critical patent/GB9322523D0/en
Publication of GB2272119A publication Critical patent/GB2272119A/en
Application granted granted Critical
Publication of GB2272119B publication Critical patent/GB2272119B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • 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
    • H02H3/083—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 for three-phase systems
GB9322523A 1992-10-30 1993-11-01 Circuit breaker trip circuit supervision Expired - Fee Related GB2272119B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9322523A GB2272119B (en) 1992-10-30 1993-11-01 Circuit breaker trip circuit supervision

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929222789A GB9222789D0 (en) 1992-10-30 1992-10-30 Circuit breaker trip circuit supervision
GB9322523A GB2272119B (en) 1992-10-30 1993-11-01 Circuit breaker trip circuit supervision

Publications (3)

Publication Number Publication Date
GB9322523D0 true GB9322523D0 (en) 1993-12-22
GB2272119A GB2272119A (en) 1994-05-04
GB2272119B GB2272119B (en) 1996-04-10

Family

ID=26301886

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9322523A Expired - Fee Related GB2272119B (en) 1992-10-30 1993-11-01 Circuit breaker trip circuit supervision

Country Status (1)

Country Link
GB (1) GB2272119B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109089361A (en) * 2018-08-31 2018-12-25 江苏新广联光电股份有限公司 A kind of emergency lamp control method, apparatus and system
CN109149527A (en) * 2017-06-16 2019-01-04 中国石油天然气股份有限公司 The method of the control loop failure of the control circuit and detection breaker of breaker
CN109633248A (en) * 2019-02-02 2019-04-16 华润新能源(大同阳高)风能有限公司 A kind of observation circuit in direct current output circuit
CN112666494A (en) * 2020-12-30 2021-04-16 大禹电气科技股份有限公司 Circuit for detecting three-phase mains power failure

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9822515D0 (en) * 1998-10-16 1998-12-09 Alstom Uk Ltd Improvements relating to monitoring apparatus for electrical circuits
GB2357642B (en) * 1999-12-22 2003-11-19 Alstom A fault protection apparatus
WO2019145848A1 (en) * 2018-01-23 2019-08-01 Abb Schweiz Ag A method for supervising a trip circuit and a trip supervision relay therof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109149527A (en) * 2017-06-16 2019-01-04 中国石油天然气股份有限公司 The method of the control loop failure of the control circuit and detection breaker of breaker
CN109149527B (en) * 2017-06-16 2024-01-30 中国石油天然气股份有限公司 Circuit breaker control circuit and method for detecting faults of circuit breaker control loop
CN109089361A (en) * 2018-08-31 2018-12-25 江苏新广联光电股份有限公司 A kind of emergency lamp control method, apparatus and system
CN109089361B (en) * 2018-08-31 2023-06-23 江苏新广联光电股份有限公司 Emergency lamp control method, device and system
CN109633248A (en) * 2019-02-02 2019-04-16 华润新能源(大同阳高)风能有限公司 A kind of observation circuit in direct current output circuit
CN109633248B (en) * 2019-02-02 2024-03-19 华润新能源(大同阳高)风能有限公司 Monitoring circuit of direct current output loop
CN112666494A (en) * 2020-12-30 2021-04-16 大禹电气科技股份有限公司 Circuit for detecting three-phase mains power failure

Also Published As

Publication number Publication date
GB2272119A (en) 1994-05-04
GB2272119B (en) 1996-04-10

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Legal Events

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