GB2280072B - Electronic tripping unit for a circuit breaker - Google Patents

Electronic tripping unit for a circuit breaker

Info

Publication number
GB2280072B
GB2280072B GB9413940A GB9413940A GB2280072B GB 2280072 B GB2280072 B GB 2280072B GB 9413940 A GB9413940 A GB 9413940A GB 9413940 A GB9413940 A GB 9413940A GB 2280072 B GB2280072 B GB 2280072B
Authority
GB
United Kingdom
Prior art keywords
circuit breaker
tripping unit
electronic tripping
electronic
unit
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 - Fee Related
Application number
GB9413940A
Other versions
GB9413940D0 (en
GB2280072A (en
Inventor
Oliver Rast
Johann Skupin
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.)
Eaton Industries GmbH
Original Assignee
Kloeckner Moeller GmbH
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 Kloeckner Moeller GmbH filed Critical Kloeckner Moeller GmbH
Publication of GB9413940D0 publication Critical patent/GB9413940D0/en
Publication of GB2280072A publication Critical patent/GB2280072A/en
Application granted granted Critical
Publication of GB2280072B publication Critical patent/GB2280072B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/08—Circuits for altering the measuring range
    • G01R15/09—Autoranging circuits
    • 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
    • H02H3/0935—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 the timing being determined by numerical means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
GB9413940A 1993-07-13 1994-07-11 Electronic tripping unit for a circuit breaker Expired - Fee Related GB2280072B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19934323356 DE4323356C1 (en) 1993-07-13 1993-07-13 Electronic release unit for a power circuit breaker

Publications (3)

Publication Number Publication Date
GB9413940D0 GB9413940D0 (en) 1994-08-31
GB2280072A GB2280072A (en) 1995-01-18
GB2280072B true GB2280072B (en) 1997-02-05

Family

ID=6492646

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9413940A Expired - Fee Related GB2280072B (en) 1993-07-13 1994-07-11 Electronic tripping unit for a circuit breaker

Country Status (4)

Country Link
DE (1) DE4323356C1 (en)
FR (1) FR2707811B1 (en)
GB (1) GB2280072B (en)
HK (1) HK1005054A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2815484B1 (en) * 2000-10-13 2002-12-20 Electricite De France ELECTRIC POWER LIMITER CONSUMED IN A SYSTEM
WO2015063334A1 (en) * 2013-11-04 2015-05-07 Fujitsu Technology Solutions Intellectual Property Gmbh Circuit arrangement for current monitoring and power supply unit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2073973A (en) * 1980-04-15 1981-10-21 Westinghouse Electric Corp Circuit interrupter providing a preselectable set of functions

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4631625A (en) * 1984-09-27 1986-12-23 Siemens Energy & Automation, Inc. Microprocessor controlled circuit breaker trip unit
DE3724917C2 (en) * 1987-07-28 1994-09-29 Vdo Schindling Circuit arrangement for deriving a digital signal
FR2649212B1 (en) * 1989-06-28 1991-10-18 Inst Francais Du Petrole ACQUISITION METHOD AND DEVICE FOR PRECISE DIGITIZATION OF ANALOG SIGNALS
DE4016075A1 (en) * 1990-05-18 1991-11-28 Kloeckner Moeller Gmbh Circuit detecting phase currents in multiphase system - uses one measurement resistance and signal processing circuit fed by controlled switching for reduced costs

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2073973A (en) * 1980-04-15 1981-10-21 Westinghouse Electric Corp Circuit interrupter providing a preselectable set of functions

Also Published As

Publication number Publication date
FR2707811A1 (en) 1995-01-20
HK1005054A1 (en) 1998-12-18
FR2707811B1 (en) 1997-09-05
GB9413940D0 (en) 1994-08-31
DE4323356C1 (en) 1994-09-08
GB2280072A (en) 1995-01-18

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Legal Events

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

Effective date: 20040711