IT7829123A0 - Procedimento e dispositivo per il controllo del cortocircuito di linee elettriche. - Google Patents

Procedimento e dispositivo per il controllo del cortocircuito di linee elettriche.

Info

Publication number
IT7829123A0
IT7829123A0 IT7829123A IT2912378A IT7829123A0 IT 7829123 A0 IT7829123 A0 IT 7829123A0 IT 7829123 A IT7829123 A IT 7829123A IT 2912378 A IT2912378 A IT 2912378A IT 7829123 A0 IT7829123 A0 IT 7829123A0
Authority
IT
Italy
Prior art keywords
checking
procedure
short circuit
electrical lines
lines
Prior art date
Application number
IT7829123A
Other languages
English (en)
Other versions
IT1160013B (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 IT7829123A0 publication Critical patent/IT7829123A0/it
Application granted granted Critical
Publication of IT1160013B publication Critical patent/IT1160013B/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
IT29123/78A 1977-10-28 1978-10-26 Procedimento e dispositivo per il controllo del cortocircuito di linee elettriche IT1160013B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1312377A CH623963A5 (it) 1977-10-28 1977-10-28

Publications (2)

Publication Number Publication Date
IT7829123A0 true IT7829123A0 (it) 1978-10-26
IT1160013B IT1160013B (it) 1987-03-04

Family

ID=4389536

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29123/78A IT1160013B (it) 1977-10-28 1978-10-26 Procedimento e dispositivo per il controllo del cortocircuito di linee elettriche

Country Status (12)

Country Link
US (1) US4230982A (it)
AT (1) AT366522B (it)
BE (1) BE871554R (it)
BR (1) BR7807110A (it)
CH (1) CH623963A5 (it)
DE (1) DE2753734A1 (it)
DK (1) DK481278A (it)
FR (1) FR2407593A2 (it)
GB (1) GB2010612B (it)
IT (1) IT1160013B (it)
NL (1) NL7810657A (it)
SE (1) SE440166B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE418035B (sv) * 1979-08-30 1981-04-27 Asea Ab Impedansmetande anordning vid impedansskydd
US4362987A (en) * 1980-09-12 1982-12-07 Huntron Instruments, Inc. Apparatus for detecting electrical shorts in electronic circuits
US4525665A (en) * 1982-08-06 1985-06-25 Smalley Daniel S Induction furnace monitor
US4612498A (en) * 1982-08-06 1986-09-16 Smalley Daniel S Induction furnace fault locator
US4720822A (en) * 1986-03-07 1988-01-19 International Business Machines Corporation High frequency signal measurement method and apparatus
US5402072A (en) * 1992-02-28 1995-03-28 International Business Machines Corporation System and method for testing and fault isolation of high density passive boards and substrates
US5796258A (en) * 1997-01-30 1998-08-18 Abb Power T&D Company, Inc. Adaptive quadrilateral characteristic distance relay
GB2352891A (en) * 1999-08-03 2001-02-07 Alstom Uk Ltd Fault protection in multi-phase power systems
EP2443718B1 (en) * 2009-06-15 2014-04-23 ABB Technology AG An arrangement for protecting equipment of a power system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3354389A (en) * 1963-10-24 1967-11-21 Western Electric Co Automatic high speed test apparatus for testing continuity and shorts simultaneouslyon a plurality of circuit paths
GB1081576A (en) * 1965-05-14 1967-08-31 English Electric Co Ltd Improvements in electrical measuring systems
US3600673A (en) * 1969-07-15 1971-08-17 Thomas & Betts Corp Sequentially stepped, termination indicating multiconductor checking and testing apparatus
CA968412A (en) * 1970-03-13 1975-05-27 Louis Ricard Dispositif de surveillance de lignes electriques
US3699498A (en) * 1970-04-30 1972-10-17 Bell Telephone Labor Inc Devices for making electrical connections
US3676739A (en) * 1971-09-07 1972-07-11 Gen Electric Mine power system ground continuity check circuit
FR2160306B1 (it) * 1971-11-19 1974-05-10 Schlumberger Compteurs
DE2163004C3 (de) * 1971-12-18 1975-01-09 Siemens Ag, 1000 Berlin Und 8000 Muenchen Unsymmetrieschutzeinrichtung für in Reihe geschaltete Kondensatoreinheiten
US3860316A (en) * 1973-07-06 1975-01-14 Western Electric Co Electrical connecting devices for terminating cords and methods of assembling the devices to cords
US4095172A (en) * 1977-02-09 1978-06-13 William Strand Vehicle antenna tester

Also Published As

Publication number Publication date
SE7811207L (sv) 1979-04-29
DK481278A (da) 1979-04-29
BE871554R (fr) 1979-02-15
GB2010612B (en) 1982-10-20
IT1160013B (it) 1987-03-04
DE2753734A1 (de) 1979-05-03
NL7810657A (nl) 1979-05-02
GB2010612A (en) 1979-06-27
CH623963A5 (it) 1981-06-30
SE440166B (sv) 1985-07-15
FR2407593A2 (fr) 1979-05-25
ATA734878A (de) 1981-08-15
US4230982A (en) 1980-10-28
BR7807110A (pt) 1979-07-17
AT366522B (de) 1982-04-26

Similar Documents

Publication Publication Date Title
ES245484Y (es) Un dispositivo terminal electrico
PL205591A1 (pl) Urzadzenie do przetwarzania sygnalow elektrycznych
SE7807322L (sv) Forfarande och anordning for elektrisk signalbehandling
IT7868579A0 (it) Dispositivo connettore elettrico
ES253955Y (es) Un dispositivo conectador electrico
FR2303393A1 (fr) Dispositif de raccordement electrique surminiaturise
ES494742A0 (es) Un dispositivo conectador electrico
SE7805193L (sv) Elektrisk kontaktanordning
IT7829123A0 (it) Procedimento e dispositivo per il controllo del cortocircuito di linee elettriche.
IT1108381B (it) Procedimento e disopsitivo per la lavorazione di pezzi mediante scariche elettriche
ES256782Y (es) Un dispositivo conectador electrico
ES245918Y (es) Un dispositivo de conexion electrica por enchufe mejorado
SE409788B (sv) Kretsskyddsanordning for en elektrisk krets
IT1087723B (it) Procedimento e dispositivo per la sorveglianza del cortocircuito di una linea elettrica
SE7810249L (sv) Kopplingskrets for kompanderanordning
NL182186C (nl) Kortsluitbeveiligingsinrichting.
SE7801317L (sv) Elektrisk skyddskrets
NO782676L (no) Elektrisk kretsanordning.
NL7808984A (nl) Electreteninrichting.
IT7829491A0 (it) Istazione di collaudo di componenti elettrici.
IT7829239A0 (it) Elettrici. procedimento e dispositivo per la prova di elementi conduttori
IT7824790A0 (it) Procedimento e dispositivo di controllo di connessioni elettriche particolarmente per telecomunicazioni.
FR2319187A1 (fr) Dispositif de branchement electrique
DK146838C (da) Elektriske koblings- og apparatdaaser
PL203422A1 (pl) Urzadzenie do sprawdzania dzialania elektrycznego wylacznika bezkontaktowego