IT1013910B - Apparecchiatura di protezione a scatto del tipo a sbloccaggio particolarmente per linee di trasmissione di potenza elettrica - Google Patents

Apparecchiatura di protezione a scatto del tipo a sbloccaggio particolarmente per linee di trasmissione di potenza elettrica

Info

Publication number
IT1013910B
IT1013910B IT41610/74A IT4161074A IT1013910B IT 1013910 B IT1013910 B IT 1013910B IT 41610/74 A IT41610/74 A IT 41610/74A IT 4161074 A IT4161074 A IT 4161074A IT 1013910 B IT1013910 B IT 1013910B
Authority
IT
Italy
Prior art keywords
snap
electric power
power transmission
transmission lines
protection equipment
Prior art date
Application number
IT41610/74A
Other languages
English (en)
Italian (it)
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of IT1013910B publication Critical patent/IT1013910B/it

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
    • H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/267—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured for parallel lines and wires
    • 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
    • H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
    • H02H7/262—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders
IT41610/74A 1973-05-29 1974-05-28 Apparecchiatura di protezione a scatto del tipo a sbloccaggio particolarmente per linee di trasmissione di potenza elettrica IT1013910B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00364449A US3845357A (en) 1973-05-29 1973-05-29 Protective relaying apparatus of the unblock type

Publications (1)

Publication Number Publication Date
IT1013910B true IT1013910B (it) 1977-03-30

Family

ID=23434575

Family Applications (1)

Application Number Title Priority Date Filing Date
IT41610/74A IT1013910B (it) 1973-05-29 1974-05-28 Apparecchiatura di protezione a scatto del tipo a sbloccaggio particolarmente per linee di trasmissione di potenza elettrica

Country Status (10)

Country Link
US (1) US3845357A (enExample)
JP (1) JPS5027053A (enExample)
BR (1) BR7404282D0 (enExample)
CA (1) CA1034243A (enExample)
DE (1) DE2425651A1 (enExample)
ES (1) ES426705A1 (enExample)
FR (1) FR2232118B1 (enExample)
GB (1) GB1474234A (enExample)
IT (1) IT1013910B (enExample)
SE (1) SE407876B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5542272A (en) * 1978-09-21 1980-03-25 Sumitomo Metal Mining Co Manufacture of waterproofing vaporrcuring light weight foamed concrete
JPS55162467A (en) * 1979-05-30 1980-12-17 Sumitomo Metal Mining Co Manufacture of waterproofing vaporrcured lightweight foamed concrete
DE2930067A1 (de) * 1979-07-02 1981-01-08 Bbc Brown Boveri & Cie Verfahren und einrichtung fuer den kurzschlusschutz von wechselstromleitungen
US4528611A (en) * 1983-02-22 1985-07-09 Westinghouse Electric Corp. Relay for pilot protection of electrical power lines
AU7624794A (en) * 1993-09-04 1995-03-27 Jin Kwang Corporation Power distribution line switching method and control system therefor
KR102687863B1 (ko) * 2022-05-30 2024-07-25 에이치디현대일렉트릭 주식회사 선박의 전력 분배 시스템의 보호 시스템 및 보호 방법

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3273017A (en) * 1963-01-07 1966-09-13 Gen Electric Ground fault responsive directional comparison protective system for an electric powder transmission line
US3277343A (en) * 1963-02-06 1966-10-04 Gen Electric Fault responsive protective system for an electric power transmission line
US3312866A (en) * 1964-08-26 1967-04-04 Westinghouse Electric Corp Distance relay actuated phase comparison relaying device

Also Published As

Publication number Publication date
FR2232118B1 (enExample) 1982-01-29
DE2425651A1 (de) 1974-12-19
SE407876B (sv) 1979-04-23
JPS5027053A (enExample) 1975-03-20
FR2232118A1 (enExample) 1974-12-27
GB1474234A (en) 1977-05-18
ES426705A1 (es) 1976-07-16
SE7407137L (enExample) 1974-12-20
CA1034243A (en) 1978-07-04
BR7404282D0 (pt) 1975-01-07
US3845357A (en) 1974-10-29

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