AT346960B - CIRCUIT ARRANGEMENT FOR DETECTING FAULTS IN A SYSTEM CONSISTING OF AT LEAST ONE BUSBAR AND ITS BRANCHES - Google Patents

CIRCUIT ARRANGEMENT FOR DETECTING FAULTS IN A SYSTEM CONSISTING OF AT LEAST ONE BUSBAR AND ITS BRANCHES

Info

Publication number
AT346960B
AT346960B AT139875A AT139875A AT346960B AT 346960 B AT346960 B AT 346960B AT 139875 A AT139875 A AT 139875A AT 139875 A AT139875 A AT 139875A AT 346960 B AT346960 B AT 346960B
Authority
AT
Austria
Prior art keywords
busbar
branches
circuit arrangement
system consisting
detecting faults
Prior art date
Application number
AT139875A
Other languages
German (de)
Other versions
ATA139875A (en
Original Assignee
Bbc Brown Boveri & Cie
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 & Cie filed Critical Bbc Brown Boveri & Cie
Publication of ATA139875A publication Critical patent/ATA139875A/en
Application granted granted Critical
Publication of AT346960B publication Critical patent/AT346960B/en

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)
  • Protection Of Static Devices (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
AT139875A 1974-02-27 1975-02-24 CIRCUIT ARRANGEMENT FOR DETECTING FAULTS IN A SYSTEM CONSISTING OF AT LEAST ONE BUSBAR AND ITS BRANCHES AT346960B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
ATA139875A ATA139875A (en) 1977-04-15
AT346960B true AT346960B (en) 1978-12-11

Family

ID=4240670

Family Applications (1)

Application Number Title Priority Date Filing Date
AT139875A AT346960B (en) 1974-02-27 1975-02-24 CIRCUIT ARRANGEMENT FOR DETECTING FAULTS IN A SYSTEM CONSISTING OF AT LEAST ONE BUSBAR AND ITS BRANCHES

Country Status (10)

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

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 (en) * 1986-03-20 1987-10-27 Bbc Ag Oesterr Ground fault busbar protection
JPH06225448A (en) * 1992-12-04 1994-08-12 Fuji Electric Co Ltd Busbar protection method
FR2990305B1 (en) 2012-05-07 2015-11-20 Ece METHOD FOR PROTECTING AN ELECTRIC POWER DISTRIBUTION UNIT

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT271610B (en) * 1966-06-08 1969-06-10 Siemens Gmbh Differential protection device for electrical systems with two or more branches
DE2216377B2 (en) * 1972-03-30 1974-09-12 Siemens Ag Differential protection

Also Published As

Publication number Publication date
ES435029A1 (en) 1976-12-16
ATA139875A (en) 1977-04-15
FR2262428A1 (en) 1975-09-19
DE2413399A1 (en) 1975-09-04
SE407316B (en) 1979-03-19
SE7501981L (en) 1975-08-29
CH577762A5 (en) 1976-07-15
AU7847975A (en) 1976-08-26
NL7502359A (en) 1975-08-29
DE2413399C2 (en) 1989-04-20
DK68075A (en) 1975-10-27
BE825874A (en) 1975-06-16
NL183001C (en) 1988-06-16
FR2262428B1 (en) 1982-03-05
IT1033141B (en) 1979-07-10
NL183001B (en) 1988-01-18

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee