FR2262428B1 - - Google Patents

Info

Publication number
FR2262428B1
FR2262428B1 FR7505719A FR7505719A FR2262428B1 FR 2262428 B1 FR2262428 B1 FR 2262428B1 FR 7505719 A FR7505719 A FR 7505719A FR 7505719 A FR7505719 A FR 7505719A FR 2262428 B1 FR2262428 B1 FR 2262428B1
Authority
FR
France
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
FR7505719A
Other languages
French (fr)
Other versions
FR2262428A1 (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.)
BBC Brown Boveri AG Switzerland
Original Assignee
BBC Brown Boveri AG Switzerland
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 BBC Brown Boveri AG Switzerland filed Critical BBC Brown Boveri AG Switzerland
Publication of FR2262428A1 publication Critical patent/FR2262428A1/fr
Application granted granted Critical
Publication of FR2262428B1 publication Critical patent/FR2262428B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
    • 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
    • H02H3/28—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
    • H02H3/283—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus and taking into account saturation of current transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Protection Of Static Devices (AREA)
FR7505719A 1974-02-27 1975-02-24 Power network fault protection process - sums and compares currents in transformers and bridges Granted FR2262428A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH274674A CH577762A5 (enrdf_load_stackoverflow) 1974-02-27 1974-02-27

Publications (2)

Publication Number Publication Date
FR2262428A1 FR2262428A1 (en) 1975-09-19
FR2262428B1 true FR2262428B1 (enrdf_load_stackoverflow) 1982-03-05

Family

ID=4240670

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7505719A Granted FR2262428A1 (en) 1974-02-27 1975-02-24 Power network fault protection process - sums and compares currents in transformers and bridges

Country Status (10)

Country Link
AT (1) AT346960B (enrdf_load_stackoverflow)
BE (1) BE825874A (enrdf_load_stackoverflow)
CH (1) CH577762A5 (enrdf_load_stackoverflow)
DE (1) DE2413399A1 (enrdf_load_stackoverflow)
DK (1) DK68075A (enrdf_load_stackoverflow)
ES (1) ES435029A1 (enrdf_load_stackoverflow)
FR (1) FR2262428A1 (enrdf_load_stackoverflow)
IT (1) IT1033141B (enrdf_load_stackoverflow)
NL (1) NL183001C (enrdf_load_stackoverflow)
SE (1) SE407316B (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4173774A (en) * 1977-12-08 1979-11-06 Westinghouse Electric Corp. Parallel AC electrical system with differential protection immune to high current through faults
AT384325B (de) * 1986-03-20 1987-10-27 Bbc Ag Oesterr Erdschlusssammelschienenschutz
JPH06225448A (ja) * 1992-12-04 1994-08-12 Fuji Electric Co Ltd 母線保護方法
FR2990305B1 (fr) * 2012-05-07 2015-11-20 Ece Procede de protection d'un boitier de distribution d'energie electrique

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT271610B (de) * 1966-06-08 1969-06-10 Siemens Gmbh Differentialschutzeinrichtung für elektrische Anlagen mit zwei oder mehreren Abzweigen
DE2216377B2 (de) * 1972-03-30 1974-09-12 Siemens Ag Differentialschutz

Also Published As

Publication number Publication date
IT1033141B (it) 1979-07-10
FR2262428A1 (en) 1975-09-19
AU7847975A (en) 1976-08-26
AT346960B (de) 1978-12-11
NL7502359A (nl) 1975-08-29
SE7501981L (enrdf_load_stackoverflow) 1975-08-29
DK68075A (enrdf_load_stackoverflow) 1975-10-27
NL183001C (nl) 1988-06-16
DE2413399A1 (de) 1975-09-04
CH577762A5 (enrdf_load_stackoverflow) 1976-07-15
ATA139875A (de) 1977-04-15
DE2413399C2 (enrdf_load_stackoverflow) 1989-04-20
SE407316B (sv) 1979-03-19
BE825874A (fr) 1975-06-16
NL183001B (nl) 1988-01-18
ES435029A1 (es) 1976-12-16

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Legal Events

Date Code Title Description
ST Notification of lapse