IT1160014B - Metodo di protezione selettiva per linee elettriche e dispositivo per l'esecuzione di tale metodo - Google Patents

Metodo di protezione selettiva per linee elettriche e dispositivo per l'esecuzione di tale metodo

Info

Publication number
IT1160014B
IT1160014B IT29124/78A IT2912478A IT1160014B IT 1160014 B IT1160014 B IT 1160014B IT 29124/78 A IT29124/78 A IT 29124/78A IT 2912478 A IT2912478 A IT 2912478A IT 1160014 B IT1160014 B IT 1160014B
Authority
IT
Italy
Prior art keywords
execution
electric lines
selective protection
protection method
selective
Prior art date
Application number
IT29124/78A
Other languages
English (en)
Other versions
IT7829124A0 (it
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 IT7829124A0 publication Critical patent/IT7829124A0/it
Application granted granted Critical
Publication of IT1160014B publication Critical patent/IT1160014B/it

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
IT29124/78A 1977-10-31 1978-10-26 Metodo di protezione selettiva per linee elettriche e dispositivo per l'esecuzione di tale metodo IT1160014B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1319677A CH623964A5 (it) 1977-10-31 1977-10-31

Publications (2)

Publication Number Publication Date
IT7829124A0 IT7829124A0 (it) 1978-10-26
IT1160014B true IT1160014B (it) 1987-03-04

Family

ID=4390230

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29124/78A IT1160014B (it) 1977-10-31 1978-10-26 Metodo di protezione selettiva per linee elettriche e dispositivo per l'esecuzione di tale metodo

Country Status (12)

Country Link
US (1) US4237511A (it)
AT (1) AT365869B (it)
BE (1) BE871646R (it)
BR (1) BR7807152A (it)
CH (1) CH623964A5 (it)
DE (1) DE2753969C2 (it)
DK (1) DK482778A (it)
FR (1) FR2407594A2 (it)
GB (1) GB2010610B (it)
IT (1) IT1160014B (it)
NL (1) NL7810771A (it)
SE (1) SE442694B (it)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1588532C3 (de) * 1966-04-11 1975-03-06 Meidensha Electric Mfg. Co. Ltd. Distanzrelais
DE2064679C3 (de) * 1970-12-31 1973-11-29 Hartmann & Braun Ag, 6000 Frankfurt Elektronische Distanzmeßschaltung
US3731152A (en) * 1972-05-25 1973-05-01 Westinghouse Electric Corp Impedance distance relay
GB1570491A (en) * 1975-11-14 1980-07-02 Gen Electric Co Ltd Protective relay arrangements

Also Published As

Publication number Publication date
GB2010610B (en) 1982-08-18
SE442694B (sv) 1986-01-20
CH623964A5 (it) 1981-06-30
DE2753969A1 (de) 1979-05-03
BE871646R (fr) 1979-02-15
DE2753969C2 (de) 1984-03-15
NL7810771A (nl) 1979-05-02
DK482778A (da) 1979-05-01
AT365869B (de) 1982-02-25
BR7807152A (pt) 1979-07-17
US4237511A (en) 1980-12-02
ATA734978A (de) 1981-06-15
GB2010610A (en) 1979-06-27
FR2407594A2 (fr) 1979-05-25
IT7829124A0 (it) 1978-10-26
SE7811244L (sv) 1979-05-01

Similar Documents

Publication Publication Date Title
NO790895L (no) Overvaaknings- eller beskyttelsesanordning
BR6100595U (pt) Dispositivo de protecao pedica
IT1126508B (it) Dispositivo di posizionamento e protezione per un attacco ortodontico
IT1097107B (it) Procedimento ed apparecchiatura per lavorare mediante
IT1052933B (it) Apparecchiatura di telesegnalazione particolarmente adatta per protezione antifurto ed antieffrazione
DK147190C (da) Motorbeskyttelsesindretning
PL206729A1 (pl) Uklad zabezpieczenia wysokonapieciowego
AT386703B (de) Ueberspannungsschutzgeraet
IT1108381B (it) Procedimento e disopsitivo per la lavorazione di pezzi mediante scariche elettriche
NO812315L (no) Beskyttelsesanordning for leddaksel
IT1098655B (it) Dispositivo per ritenere un elemento di protezione per l'orecchio
NO820272L (no) Verneanordning for boreroer
FI801866A (fi) Skyddsanordning
SE7900254L (sv) Skyddsreleapparat
IT1092310B (it) Protezione di difetto di impianto di terro di generatore
IT1160014B (it) Metodo di protezione selettiva per linee elettriche e dispositivo per l'esecuzione di tale metodo
IT8049706A0 (it) Dispositivo e procedimento per proteggere cavi multiconduttori da con dizioni dell'ambiente
DK433380A (da) Overspaendingsbeskyttelsesindretning
BR8106220A (pt) Dispositivo de protecao contra as agressoes
IT1125560B (it) Dispositivo sospeso di protezione mediante gas
BR7901635A (pt) Dispositivo de para-raios
BR7901654A (pt) Dispositivo de para-raios
IT1141817B (it) Dispositivo elettrificatore di protezione
IT1085203B (it) Sistema ed apaprecchiatura per la protezioni distanziometrica di linee elettriche
IT1162292B (it) Dispositivo e metodo per la protezione di giunti telefonici