GB9320900D0 - Electrical systems - Google Patents

Electrical systems

Info

Publication number
GB9320900D0
GB9320900D0 GB939320900A GB9320900A GB9320900D0 GB 9320900 D0 GB9320900 D0 GB 9320900D0 GB 939320900 A GB939320900 A GB 939320900A GB 9320900 A GB9320900 A GB 9320900A GB 9320900 D0 GB9320900 D0 GB 9320900D0
Authority
GB
United Kingdom
Prior art keywords
electrical systems
systems
electrical
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.)
Withdrawn
Application number
GB939320900A
Other versions
GB2271895A (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.)
Smiths Group PLC
Original Assignee
Smiths Group PLC
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 Smiths Group PLC filed Critical Smiths Group PLC
Publication of GB9320900D0 publication Critical patent/GB9320900D0/en
Publication of GB2271895A publication Critical patent/GB2271895A/en
Withdrawn legal-status Critical Current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
    • H02H3/093—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 with timing means
GB9320900A 1992-10-23 1993-10-11 Relay operating system. Withdrawn GB2271895A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB929222308A GB9222308D0 (en) 1992-10-23 1992-10-23 Electrical systems

Publications (2)

Publication Number Publication Date
GB9320900D0 true GB9320900D0 (en) 1993-12-01
GB2271895A GB2271895A (en) 1994-04-27

Family

ID=10723958

Family Applications (2)

Application Number Title Priority Date Filing Date
GB929222308A Pending GB9222308D0 (en) 1992-10-23 1992-10-23 Electrical systems
GB9320900A Withdrawn GB2271895A (en) 1992-10-23 1993-10-11 Relay operating system.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB929222308A Pending GB9222308D0 (en) 1992-10-23 1992-10-23 Electrical systems

Country Status (3)

Country Link
DE (1) DE4335421A1 (en)
FR (1) FR2697383B1 (en)
GB (2) GB9222308D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8344724B2 (en) 2009-11-06 2013-01-01 Massachusetts Institute Of Technology Non-intrusive monitoring of power and other parameters
GB2589892A (en) * 2019-12-11 2021-06-16 Penny & Giles Controls Ltd Protection apparatus and method for an electric wheelchair
US12095255B2 (en) 2021-03-23 2024-09-17 Snap-On Incorporated Overcurrent protection for electric motor

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB899354A (en) * 1957-09-27 1962-06-20 Reyrolle A & Co Ltd Improvements in or relating to time-lag electric relay devices employing transistors
GB1124492A (en) * 1965-04-23 1968-08-21 Reyrolle A & Co Ltd Improvements relating to electric timing circuits
US3996499A (en) * 1974-09-09 1976-12-07 Westinghouse Electric Corporation Zener diode effect on long acceleration module
DE2611014B2 (en) * 1976-03-13 1977-12-29 Siemens AG, 1000 Berlin und 8000 München ELECTRONIC OVERCURRENT RELAY
DE2611178C3 (en) * 1976-03-17 1978-12-21 Hartmann & Braun Ag, 6000 Frankfurt Dependent electronic overcurrent time relay
ES468764A1 (en) * 1978-04-13 1979-10-01 Arteche Instr Sistemas A new delayed action electrical protection device, depending on an adjusted magnitude.
US4266259A (en) * 1979-09-04 1981-05-05 General Electric Company Long-time and short-time overcurrent signal processor for circuit breaker static trip units
US4363064A (en) * 1981-07-27 1982-12-07 The United States Of America As Represented By The Secretary Of The Navy Overcurrent protection system
US4513342A (en) * 1983-01-31 1985-04-23 General Electric Company Current-squared-time (i2 t) protection system
GB2140633A (en) * 1983-04-29 1984-11-28 Plessey Co Plc Load tripping circuits
US4910631A (en) * 1988-01-25 1990-03-20 Westinghouse Electric Corp. Circuit breaker with over-temperature protection and low error I2 t calculator
EP0370139B1 (en) * 1988-11-22 1993-09-15 Mitsubishi Denki Kabushiki Kaisha Circuit breaker with overcurrent protection
JP2523924B2 (en) * 1990-03-15 1996-08-14 松下電工株式会社 Overcurrent detection device

Also Published As

Publication number Publication date
FR2697383A1 (en) 1994-04-29
GB9222308D0 (en) 1992-12-09
FR2697383B1 (en) 1995-11-17
DE4335421A1 (en) 1994-04-28
GB2271895A (en) 1994-04-27

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)