SE407876B - Releskydd - Google Patents

Releskydd

Info

Publication number: SE407876B
Authority: SE; Sweden
Prior art keywords: relay protection; relay; protection
Prior art date: 1973-05-29

Application number

SE7407137A

Other languages

English (en)

Other versions

SE7407137L (sv

Inventor

J E Hagberg

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.)

1973-05-29

Filing date

1974-05-29

Publication date

1979-04-23

1974-05-29 Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp

1974-12-20 Publication of SE7407137L publication Critical patent/SE7407137L/xx

1979-04-23 Publication of SE407876B publication Critical patent/SE407876B/sv

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

SE7407137A 1973-05-29 1974-05-29 Releskydd SE407876B (sv)

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 (2)

Publication Number	Publication Date
SE7407137L SE7407137L (sv)	1974-12-20
SE407876B true SE407876B (sv)	1979-04-23

Family

ID=23434575

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7407137A SE407876B (sv)	1973-05-29	1974-05-29	Releskydd

Country Status (10)

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

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
US20230387679A1 (en) *	2022-05-30	2023-11-30	Hd Hyundai Electric Co., Ltd.	Protection method and protection system of ship's power distribution system

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

1973
- 1973-05-29 US US00364449A patent/US3845357A/en not_active Expired - Lifetime
1974
- 1974-05-13 GB GB2105974A patent/GB1474234A/en not_active Expired
- 1974-05-27 BR BR4282/74A patent/BR7404282D0/pt unknown
- 1974-05-27 CA CA200,957A patent/CA1034243A/en not_active Expired
- 1974-05-28 IT IT41610/74A patent/IT1013910B/it active
- 1974-05-28 ES ES426705A patent/ES426705A1/es not_active Expired
- 1974-05-28 DE DE19742425651 patent/DE2425651A1/de not_active Withdrawn
- 1974-05-29 FR FR7418657A patent/FR2232118B1/fr not_active Expired
- 1974-05-29 SE SE7407137A patent/SE407876B/sv unknown
- 1974-05-29 JP JP49059808A patent/JPS5027053A/ja active Pending

Also Published As

Publication number	Publication date
US3845357A (en)	1974-10-29
BR7404282D0 (pt)	1975-01-07
JPS5027053A (sv)	1975-03-20
CA1034243A (en)	1978-07-04
FR2232118A1 (sv)	1974-12-27
ES426705A1 (es)	1976-07-16
DE2425651A1 (de)	1974-12-19
IT1013910B (it)	1977-03-30
FR2232118B1 (sv)	1982-01-29
SE7407137L (sv)	1974-12-20
GB1474234A (en)	1977-05-18

Publication	Publication Date	Title
AT328538B (de)	1976-03-25	Uberstromschutzschaltung
AT335540B (de)	1977-03-10	Feuerschutzhulle
AT338352B (de)	1977-08-25	Ohrstuck
AT325093B (de)	1975-10-10	Trittbahn
BR7402224D0 (pt)	1974-11-19	Resguardo de protecao de vedacao
AT339680B (de)	1977-11-10	Absperrorgan
AT329420B (de)	1976-05-10	Monoschi
AT325408B (de)	1975-10-27	Stoffloser
SE392697B (sv)	1977-04-18	Sparkettinglenk
SE391066B (sv)	1977-01-31	Linjeskyddsdon
IT1019581B (it)	1977-11-30	Aerosol
SE395572B (sv)	1977-08-15	Releskydd
SE399922B (sv)	1978-03-06	Bullerskydd
AT342382B (de)	1978-03-28	Flussmittel
SE407876B (sv)	1979-04-23	Releskydd
AT354042B (de)	1979-12-10	Raffstore
BE811425A (fr)	1974-08-22	Agent turbifiant
DK145372C (da)	1983-04-11	Formularbane
IT999466B (it)	1976-02-20	Contattore
BE815105A (fr)	1974-09-16	Arret de contrevent
NO146649C (no)	1991-05-14	Beskyttelseskappe for roerbend.
AT358653B (de)	1980-09-25	Klappanker-relais
AT323390B (de)	1975-07-10	Türstock
IT1023327B (it)	1978-05-10	Barriera
AT334322B (de)	1976-01-10	Ringbuch