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/de
Priority to DK68075A priority patent/DK68075A/da
Priority to SE7501981A priority patent/SE407316B/xx
Priority to BE153646A priority patent/BE825874A/xx
Priority to FR7505719A priority patent/FR2262428A1/fr
Priority to AU78479/75A priority patent/AU495297B2/en
Priority to ES435029A priority patent/ES435029A1/es
Priority to AT139875A priority patent/AT346960B/de
Priority to IT2059875A priority patent/IT1033141B/it
Priority to NL7502359A priority patent/NL183001C/xx
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
CH274674A 1974-02-27 1974-02-27 CH577762A5 (es)

Priority Applications (11)

Application Number Priority Date Filing Date Title
CH274674A CH577762A5 (es) 1974-02-27 1974-02-27
DE19742413399 DE2413399A1 (de) 1974-02-27 1974-03-20 Verfahren und schaltungsanordnung zum feststellen von fehlern bei einem aus wenigstens einer sammelschiene und deren abzweigen bestehenden system sowie zum schuetzen eines solchen systems
DK68075A DK68075A (es) 1974-02-27 1975-02-21
SE7501981A SE407316B (sv) 1974-02-27 1975-02-21 Kopplingsanordning for faststellande av fel i ett system som bestar av atminstone en samlingsskena liksom atminstone tva avgreningar
BE153646A BE825874A (fr) 1974-02-27 1975-02-24 Procede et dispositif de detection de defauts dans un systeme comprenant une barre collectrice et ses branchements, et moyens de protection
FR7505719A FR2262428A1 (en) 1974-02-27 1975-02-24 Power network fault protection process - sums and compares currents in transformers and bridges
AU78479/75A AU495297B2 (en) 1975-02-24 Method of establishing the presence of electrical faults ina system comprising atleast one busbar and its branches
ES435029A ES435029A1 (es) 1974-02-27 1975-02-24 Procedimiento y aparato para determinar defectos en siste- mas compuestos de al menos una barra colectora y sus deriva-ciones y para proteger el sistema.
AT139875A AT346960B (de) 1974-02-27 1975-02-24 Schaltungsanordnung zum feststellen von fehlern bei einem aus wenigstens einer sammelschiene und deren abzweigen bestehenden system
IT2059875A IT1033141B (it) 1974-02-27 1975-02-25 Procedimento e disposizione di collegamento per rilevare difetti in un sistema consistente almeno di una sbarra collettrice e sue derivazioni nonche per la protezione di un simile sistema
NL7502359A NL183001C (nl) 1974-02-27 1975-02-27 Inrichting voor de bescherming van een lijnsectie.

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH577762A5 true CH577762A5 (es) 1976-07-15

Family

ID=4240670

Family Applications (1)

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

Country Status (10)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT384325B (de) * 1986-03-20 1987-10-27 Bbc Ag Oesterr Erdschlusssammelschienenschutz

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 (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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT384325B (de) * 1986-03-20 1987-10-27 Bbc Ag Oesterr Erdschlusssammelschienenschutz

Also Published As

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

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Legal Events

Date Code Title Description
PL Patent ceased