CH577762A5 - - Google Patents

Info

Publication number
CH577762A5
CH577762A5 CH274674A CH274674A CH577762A5 CH 577762 A5 CH577762 A5 CH 577762A5 CH 274674 A CH274674 A CH 274674A CH 274674 A CH274674 A CH 274674A CH 577762 A5 CH577762 A5 CH 577762A5
Authority
CH
Switzerland
Application number
CH274674A
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
Priority to CH274674A priority Critical patent/CH577762A5/xx
Priority to DE19742413399 priority patent/DE2413399A1/en
Priority to SE7501981A priority patent/SE407316B/en
Priority to DK68075A priority patent/DK68075A/da
Priority to AU78479/75A priority patent/AU495297B2/en
Priority to AT139875A priority patent/AT346960B/en
Priority to FR7505719A priority patent/FR2262428A1/en
Priority to ES435029A priority patent/ES435029A1/en
Priority to BE153646A priority patent/BE825874A/en
Priority to IT2059875A priority patent/IT1033141B/en
Priority to NL7502359A priority patent/NL183001C/en
Publication of CH577762A5 publication Critical patent/CH577762A5/xx

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)
CH274674A 1974-02-27 1974-02-27 CH577762A5 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
CH274674A CH577762A5 (en) 1974-02-27 1974-02-27
DE19742413399 DE2413399A1 (en) 1974-02-27 1974-03-20 METHOD AND CIRCUIT ARRANGEMENT FOR DETECTING FAULTS IN A SYSTEM CONSISTING OF AT LEAST ONE BUSBAR AND ITS BRANCHES AND PROTECTING SUCH A SYSTEM
SE7501981A SE407316B (en) 1974-02-27 1975-02-21 CONNECTION DEVICE FOR DETERMINING ERRORS IN A SYSTEM CONSISTING OF ATMINSTONE A COLLECTION RAIL LIKE ATMINSTONE TWO BRANCHES
DK68075A DK68075A (en) 1974-02-27 1975-02-21
AU78479/75A AU495297B2 (en) 1975-02-24 Method of establishing the presence of electrical faults ina system comprising atleast one busbar and its branches
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
FR7505719A FR2262428A1 (en) 1974-02-27 1975-02-24 Power network fault protection process - sums and compares currents in transformers and bridges
ES435029A ES435029A1 (en) 1974-02-27 1975-02-24 Procedure and apparatus for determining defects in composite systems of at least one collecting bar and its derivations and to protect the system. (Machine-translation by Google Translate, not legally binding)
BE153646A BE825874A (en) 1974-02-27 1975-02-24 METHOD AND DEVICE FOR DETECTION OF FAULTS IN A SYSTEM INCLUDING A COLLECTOR BAR AND ITS CONNECTIONS, AND PROTECTION MEANS
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
NL7502359A NL183001C (en) 1974-02-27 1975-02-27 DEVICE FOR THE PROTECTION OF A LINE SECTION.

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
CH577762A5 true CH577762A5 (en) 1976-07-15

Family

ID=4240670

Family Applications (1)

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

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT384325B (en) * 1986-03-20 1987-10-27 Bbc Ag Oesterr Ground fault busbar protection

Families Citing this family (3)

* 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
JPH06225448A (en) * 1992-12-04 1994-08-12 Fuji Electric Co Ltd Method of protecting bus
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT384325B (en) * 1986-03-20 1987-10-27 Bbc Ag Oesterr Ground fault busbar protection

Also Published As

Publication number Publication date
NL7502359A (en) 1975-08-29
NL183001C (en) 1988-06-16
DE2413399A1 (en) 1975-09-04
DE2413399C2 (en) 1989-04-20
SE407316B (en) 1979-03-19
ATA139875A (en) 1977-04-15
DK68075A (en) 1975-10-27
IT1033141B (en) 1979-07-10
AU7847975A (en) 1976-08-26
SE7501981L (en) 1975-08-29
AT346960B (en) 1978-12-11
BE825874A (en) 1975-06-16
NL183001B (en) 1988-01-18
FR2262428A1 (en) 1975-09-19
ES435029A1 (en) 1976-12-16
FR2262428B1 (en) 1982-03-05

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Legal Events

Date Code Title Description
PL Patent ceased