BR7805681A - Processo e dispositivo para o controle remoto seletivo de curto-circuitos em condutos eletricos - Google Patents

Processo e dispositivo para o controle remoto seletivo de curto-circuitos em condutos eletricos

Info

Publication number
BR7805681A
BR7805681A BR7805681A BR7805681A BR7805681A BR 7805681 A BR7805681 A BR 7805681A BR 7805681 A BR7805681 A BR 7805681A BR 7805681 A BR7805681 A BR 7805681A BR 7805681 A BR7805681 A BR 7805681A
Authority
BR
Brazil
Prior art keywords
circuits
short
remote control
electrical conduits
selective remote
Prior art date
Application number
BR7805681A
Other languages
English (en)
Inventor
I Mesmaeker
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
Publication of BR7805681A publication Critical patent/BR7805681A/pt

Links

Classifications

    • 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
    • H02H3/38—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 both voltage and current; responsive to phase angle between voltage and current
    • H02H3/382—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 both voltage and current; responsive to phase angle between voltage and current involving phase comparison between current and voltage or between values derived from current and voltage
BR7805681A 1977-09-06 1978-08-31 Processo e dispositivo para o controle remoto seletivo de curto-circuitos em condutos eletricos BR7805681A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1083677A CH618294A5 (pt) 1977-09-06 1977-09-06

Publications (1)

Publication Number Publication Date
BR7805681A true BR7805681A (pt) 1979-04-17

Family

ID=4367343

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7805681A BR7805681A (pt) 1977-09-06 1978-08-31 Processo e dispositivo para o controle remoto seletivo de curto-circuitos em condutos eletricos

Country Status (12)

Country Link
US (1) US4222085A (pt)
AR (1) AR217112A1 (pt)
AU (1) AU515948B2 (pt)
BR (1) BR7805681A (pt)
CH (1) CH618294A5 (pt)
DE (1) DE2742527C2 (pt)
DK (1) DK392678A (pt)
FR (1) FR2402213A1 (pt)
GB (1) GB2004143B (pt)
IT (1) IT1098781B (pt)
NL (1) NL7809027A (pt)
SE (1) SE440714B (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0055498A1 (de) * 1980-12-23 1982-07-07 BBC Aktiengesellschaft Brown, Boveri & Cie. Verfahren und Einrichtung zur distanzselektiven Kurzschlussüberwachung von elektrischen Leitungen
DE3145127C3 (de) * 1981-03-13 1996-08-01 Bosch Gmbh Robert Verfahren zur Herstellung einer Folie für eine Vorrichtung zur gradientenfreien Ausleuchtung von passiven Anzeigevorrichtungen
US4420788A (en) * 1982-07-29 1983-12-13 General Electric Company Phase relay for AC power transmission line protection
US5796258A (en) * 1997-01-30 1998-08-18 Abb Power T&D Company, Inc. Adaptive quadrilateral characteristic distance relay
US7969155B2 (en) 2007-07-03 2011-06-28 Thomas & Betts International, Inc. Directional fault current indicator
CA2698848A1 (en) * 2009-04-01 2010-10-01 Erlphase Power Technologies Limited An efficient method for calculating the dot product in fault detection algorithms

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2981867A (en) * 1957-10-25 1961-04-25 Gen Electric Electric relay
GB1096279A (en) * 1964-04-28 1967-12-20 English Electric Co Ltd Protective relays
GB1096413A (en) * 1964-04-28 1967-12-29 English Electric Co Ltd Electrical protective relays
FR1436596A (fr) * 1965-01-22 1966-04-29 Compteurs Comp D Dispositif de protection de distance par relais statiques ultra-rapides
DE1588532C3 (de) * 1966-04-11 1975-03-06 Meidensha Electric Mfg. Co. Ltd. Distanzrelais
CH524909A (de) * 1969-09-12 1972-06-30 Siemens Ag Distanzschutzeinrichtung mit polygonalem Auslösegebiet für eine Wechselstrom-Hochspannungsleitung
FR2203080B1 (pt) * 1972-10-17 1977-08-26 Ice

Also Published As

Publication number Publication date
DE2742527A1 (de) 1979-03-08
IT7827283A0 (it) 1978-09-04
DE2742527C2 (de) 1983-01-20
US4222085A (en) 1980-09-09
IT1098781B (it) 1985-09-18
AU515948B2 (en) 1981-05-07
CH618294A5 (pt) 1980-07-15
SE7809343L (sv) 1979-03-07
DK392678A (da) 1979-03-07
FR2402213B1 (pt) 1982-12-10
NL7809027A (nl) 1979-03-08
GB2004143B (en) 1982-04-21
AU3950478A (en) 1980-03-13
GB2004143A (en) 1979-03-21
SE440714B (sv) 1985-08-12
FR2402213A1 (fr) 1979-03-30
AR217112A1 (es) 1980-02-29

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