IT1033141B - PROCEDURE AND CONNECTION ARRANGEMENT FOR DETECTING DEFECTS IN A SYSTEM CONSISTING AT LEAST OF A BUSBAR AND ITS DERIVATIONS AS WELL AS FOR THE PROTECTION OF A SIMILAR SYSTEM - Google Patents

PROCEDURE AND CONNECTION ARRANGEMENT FOR DETECTING DEFECTS IN A SYSTEM CONSISTING AT LEAST OF A BUSBAR AND ITS DERIVATIONS AS WELL AS FOR THE PROTECTION OF A SIMILAR SYSTEM

Info

Publication number
IT1033141B
IT1033141B IT2059875A IT2059875A IT1033141B IT 1033141 B IT1033141 B IT 1033141B IT 2059875 A IT2059875 A IT 2059875A IT 2059875 A IT2059875 A IT 2059875A IT 1033141 B IT1033141 B IT 1033141B
Authority
IT
Italy
Prior art keywords
derivations
busbar
procedure
protection
well
Prior art date
Application number
IT2059875A
Other languages
Italian (it)
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
Application granted granted Critical
Publication of IT1033141B publication Critical patent/IT1033141B/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)
IT2059875A 1974-02-27 1975-02-25 PROCEDURE AND CONNECTION ARRANGEMENT FOR DETECTING DEFECTS IN A SYSTEM CONSISTING AT LEAST OF A BUSBAR AND ITS DERIVATIONS AS WELL AS FOR THE PROTECTION OF A SIMILAR SYSTEM IT1033141B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT1033141B true IT1033141B (en) 1979-07-10

Family

ID=4240670

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2059875A IT1033141B (en) 1974-02-27 1975-02-25 PROCEDURE AND CONNECTION ARRANGEMENT FOR DETECTING DEFECTS IN A SYSTEM CONSISTING AT LEAST OF A BUSBAR AND ITS DERIVATIONS AS WELL AS FOR THE PROTECTION OF A SIMILAR SYSTEM

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
AT346960B (en) 1978-12-11
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
NL183001B (en) 1988-01-18

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