FR2752479B1 - ELECTRONIC DIFFERENTIAL CIRCUIT BREAKER - Google Patents

ELECTRONIC DIFFERENTIAL CIRCUIT BREAKER

Info

Publication number
FR2752479B1
FR2752479B1 FR9610283A FR9610283A FR2752479B1 FR 2752479 B1 FR2752479 B1 FR 2752479B1 FR 9610283 A FR9610283 A FR 9610283A FR 9610283 A FR9610283 A FR 9610283A FR 2752479 B1 FR2752479 B1 FR 2752479B1
Authority
FR
France
Prior art keywords
circuit breaker
differential circuit
electronic differential
electronic
breaker
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
FR9610283A
Other languages
French (fr)
Other versions
FR2752479A1 (en
Inventor
Michel Bonniau
Michel Meunier
Jean Paul Cholley
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.)
Schneider Electric SE
Original Assignee
Schneider Electric SE
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 Schneider Electric SE filed Critical Schneider Electric SE
Priority to FR9610283A priority Critical patent/FR2752479B1/en
Priority to IDP972756A priority patent/ID18648A/en
Priority to CN97117359A priority patent/CN1069998C/en
Publication of FR2752479A1 publication Critical patent/FR2752479A1/en
Application granted granted Critical
Publication of FR2752479B1 publication Critical patent/FR2752479B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
    • H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
    • 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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
    • H02H3/334—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means to produce an artificial unbalance for other protection or monitoring reasons or remote control
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/123—Automatic release mechanisms with or without manual release using a solid-state trip unit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)
FR9610283A 1996-08-13 1996-08-13 ELECTRONIC DIFFERENTIAL CIRCUIT BREAKER Expired - Fee Related FR2752479B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9610283A FR2752479B1 (en) 1996-08-13 1996-08-13 ELECTRONIC DIFFERENTIAL CIRCUIT BREAKER
IDP972756A ID18648A (en) 1996-08-13 1997-08-07 ELECTRONIC DIFERENTIAL SOLUTION FRAME
CN97117359A CN1069998C (en) 1996-08-13 1997-08-13 Electronic differential circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9610283A FR2752479B1 (en) 1996-08-13 1996-08-13 ELECTRONIC DIFFERENTIAL CIRCUIT BREAKER

Publications (2)

Publication Number Publication Date
FR2752479A1 FR2752479A1 (en) 1998-02-20
FR2752479B1 true FR2752479B1 (en) 1998-09-25

Family

ID=9495109

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9610283A Expired - Fee Related FR2752479B1 (en) 1996-08-13 1996-08-13 ELECTRONIC DIFFERENTIAL CIRCUIT BREAKER

Country Status (3)

Country Link
CN (1) CN1069998C (en)
FR (1) FR2752479B1 (en)
ID (1) ID18648A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2811805B1 (en) * 2000-07-13 2002-08-30 Schneider Electric Ind Sa DIFFERENTIAL ELECTRICAL PROTECTION APPARATUS
CN100444489C (en) * 2003-02-03 2008-12-17 立维腾制造有限公司 Circuit interrupting device with single throw, double mode button for test-reset function
NL1027339C2 (en) * 2004-10-26 2006-04-27 Eaton Electric Bv Circuit board for protection switch and method for manufacturing such a circuit board.
DE102005050318B3 (en) * 2005-10-20 2007-03-15 Siemens Ag Converter unit used in a device for measuring an electrical differential current comprises a base surface, a clamp holder, a summation current converter and a primary conductor guide with primary conductors
DE102006021444A1 (en) 2006-04-13 2007-10-18 Abb Patent Gmbh Device, circuit arrangement and method for insulation and ground fault monitoring in an IT system
FR2925756B1 (en) 2007-12-20 2010-02-26 Schneider Electric Ind Sas MODULAR ELECTRICAL PROTECTION APPARATUS COMPRISING A COMPLEMENTARY ELECTRICAL FUNCTION SUCH AS THE DIFFERENTIAL PROTECTION FUNCTION
FR2969369A1 (en) * 2010-12-20 2012-06-22 Schneider Electric Ind Sas ELECTRICAL PROTECTION APPARATUS COMPRISING THE DIFFERENTIAL PROTECTION FUNCTION
FR3046289B1 (en) * 2015-12-29 2018-02-16 Legrand France PROTECTIVE ELECTRICAL APPARATUS WITH MODULAR FORMAT

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5293142A (en) * 1992-09-11 1994-03-08 Westinghouse Electric Corp. Ground fault circuit breaker with flat bus bars for sensing coils
CZ284651B6 (en) * 1994-01-24 1999-01-13 Schrack Energietechnik Gmbh Differential current protection switch
FR2715517B1 (en) * 1994-01-26 1996-03-22 Merlin Gerin Differential trip unit.

Also Published As

Publication number Publication date
CN1069998C (en) 2001-08-22
CN1175105A (en) 1998-03-04
ID18648A (en) 1998-04-30
FR2752479A1 (en) 1998-02-20

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Legal Events

Date Code Title Description
CA Change of address
CD Change of name or company name
CD Change of name or company name
CJ Change in legal form
ST Notification of lapse