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)
Portuguese (pt)
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 (en:Method) 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 (en:Method)
AR (1) AR217112A1 (en:Method)
AU (1) AU515948B2 (en:Method)
BR (1) BR7805681A (en:Method)
CH (1) CH618294A5 (en:Method)
DE (1) DE2742527C2 (en:Method)
DK (1) DK392678A (en:Method)
FR (1) FR2402213A1 (en:Method)
GB (1) GB2004143B (en:Method)
IT (1) IT1098781B (en:Method)
NL (1) NL7809027A (en:Method)
SE (1) SE440714B (en:Method)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2930067A1 (de) 1979-07-02 1981-01-08 Bbc Brown Boveri & Cie Verfahren und einrichtung fuer den kurzschlusschutz von wechselstromleitungen
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
GB1096413A (en) * 1964-04-28 1967-12-29 English Electric Co Ltd Electrical protective relays
GB1096279A (en) * 1964-04-28 1967-12-20 English Electric Co Ltd 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 (en:Method) * 1972-10-17 1977-08-26 Ice

Also Published As

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

Similar Documents

Publication Publication Date Title
IT1097211B (it) Metodo ed apparecchio per produrre cablaggi elettrici
BR8103116A (pt) Controle de descongelamento e processo para energizar um dispositivo de descongelamento
IT1093118B (it) Metodo ed apparecchio per fabbricare cablaggi elettrici
JPS52106064A (en) Transmission control device and method to be used therefor
BR7604717A (pt) Processo e dispositivo para o tratamento de escamas de laminacao
BR7808464A (pt) Processo de protecao e circuitos para unidades de aquecimento de resistencias eletricas encapadas
BR7707560A (pt) Processo e dispositivo para moldar bi-axialmente por insuflacao
BR7707302A (pt) Processo e aparelho aperfeicoado para aplicar e fixar condutores continuos
BR7808303A (pt) Processo e dispositivo para exploracao de jazidas sub-aquaticas
JPS53128732A (en) Amorphous lithium cation ionic conductor and method of producing same
JPS52133117A (en) Method and device for breaking concrete
IT1099188B (it) Apparecchio e processo di cristallizzazione
BR7805681A (pt) Processo e dispositivo para o controle remoto seletivo de curto-circuitos em condutos eletricos
BR7902232A (pt) Processo de fazer compactos magneticos para uso em aparelhos de corrente continua
BR7807110A (pt) Processo e dispositivo para a supervisao de curto circuitos em condutores eletricos
BR7906633A (pt) Processo e dispositivo para concentrar solucoes
BR8008545A (pt) Processo e dispositivo para supervisionar dados de corrente em um comando de corrente continua controlado a tristor
BR7605917A (pt) Processo e dispositivo para esterelizacao de agua
BR7706853A (pt) Aperfeicoamento em dispositivo de dialiase e processo de produzir o dispositivo
JPS5486763A (en) Electric contact device and method of producing same
AT348056B (de) Vorrichtung zur fortlaufenden kennzeichnung von isolierten elektrischen leitern
BR7805395A (pt) Processo para controle de sopramento em conversor
BR7802002A (pt) Processo de fixacao de eletrodos em material isolante
BR7702283A (pt) Processo em duas etapas e dispositivo para a separacao de alcatrao
BR7803427A (pt) Dispositivo e processo de soldagem eletrica