SE446795B - Anordning for detektering av felbeheftad(e) fas(er) i flerfassystem - Google Patents

Anordning for detektering av felbeheftad(e) fas(er) i flerfassystem

Info

Publication number
SE446795B
SE446795B SE8008576A SE8008576A SE446795B SE 446795 B SE446795 B SE 446795B SE 8008576 A SE8008576 A SE 8008576A SE 8008576 A SE8008576 A SE 8008576A SE 446795 B SE446795 B SE 446795B
Authority
SE
Sweden
Prior art keywords
signal
phase
output signal
output
peak value
Prior art date
Application number
SE8008576A
Other languages
English (en)
Swedish (sv)
Other versions
SE8008576L (sv
Inventor
T Einarsson
N Brandt
Original Assignee
Asea Ab
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 Asea Ab filed Critical Asea Ab
Priority to SE8008576A priority Critical patent/SE446795B/sv
Priority to DE8181109915T priority patent/DE3166519D1/de
Priority to EP81109915A priority patent/EP0053760B1/fr
Priority to CA000391524A priority patent/CA1175107A/fr
Priority to US06/327,454 priority patent/US4409636A/en
Publication of SE8008576L publication Critical patent/SE8008576L/
Publication of SE446795B publication Critical patent/SE446795B/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
    • H02H7/265—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 making use of travelling wave theory
    • 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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/34—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Measuring Phase Differences (AREA)
SE8008576A 1980-12-05 1980-12-05 Anordning for detektering av felbeheftad(e) fas(er) i flerfassystem SE446795B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE8008576A SE446795B (sv) 1980-12-05 1980-12-05 Anordning for detektering av felbeheftad(e) fas(er) i flerfassystem
DE8181109915T DE3166519D1 (en) 1980-12-05 1981-11-26 Arrangement for detecting one or more faulty phases in a multiphase electric system
EP81109915A EP0053760B1 (fr) 1980-12-05 1981-11-26 Agencement pour la détection d'une ou plusieurs phases défectueuses dans un système électrique polyphasé
CA000391524A CA1175107A (fr) 1980-12-05 1981-12-04 Dispositif pour detecter les phases erronees dans un reseau electrique polyphase
US06/327,454 US4409636A (en) 1980-12-05 1981-12-04 Device for detecting faulty phases in a multi-phase electrical network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8008576A SE446795B (sv) 1980-12-05 1980-12-05 Anordning for detektering av felbeheftad(e) fas(er) i flerfassystem

Publications (2)

Publication Number Publication Date
SE8008576L SE8008576L (sv) 1982-06-06
SE446795B true SE446795B (sv) 1986-10-06

Family

ID=20342405

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8008576A SE446795B (sv) 1980-12-05 1980-12-05 Anordning for detektering av felbeheftad(e) fas(er) i flerfassystem

Country Status (5)

Country Link
US (1) US4409636A (fr)
EP (1) EP0053760B1 (fr)
CA (1) CA1175107A (fr)
DE (1) DE3166519D1 (fr)
SE (1) SE446795B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4607309A (en) * 1984-05-15 1986-08-19 Westinghouse Electric Corp. Apparatus for detecting arcing faults on low-voltage spot networks
US4639817A (en) * 1984-05-15 1987-01-27 Westinghouse Electric Corp. Protective relay circuit for detecting arcing faults on low-voltage spot networks
US4796148A (en) * 1985-10-25 1989-01-03 S&C Electric Company Current-sensing arrangement utilizing two current-sensing signals
US5502611A (en) * 1994-10-14 1996-03-26 Square D Company Circuit for providing phase loss and phase imbalance protection
WO2009008871A1 (fr) * 2006-10-13 2009-01-15 Abb Technology Ag Procédé de décision de phase en défaut parmi des sélecteurs de phase delta à partir du courant et de la tension
EP2122795A1 (fr) 2007-02-20 2009-11-25 ABB Technology AG Dispositif et procédé pour détecter des phases en défaut dans un réseau électrique polyphasé
EP2290775A1 (fr) 2009-08-31 2011-03-02 ABB Research Ltd. Procédé de sélection de phase défectueuse et détermination du type de faute

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1275560A (en) * 1968-12-10 1972-05-24 English Electric Co Ltd Selector circuit for determining faults in polyphase transmission systems
SE368092B (fr) * 1972-11-06 1974-06-17 Asea Ab
SE375886B (fr) * 1973-08-22 1975-04-28 Asea Ab
SE409267B (sv) * 1977-11-28 1979-08-06 Asea Ab Releskydd med funktionsverdesomkoppling
SE410925B (sv) * 1978-04-06 1979-11-12 Asea Ab Riktad vagdetektor

Also Published As

Publication number Publication date
DE3166519D1 (en) 1984-11-08
SE8008576L (sv) 1982-06-06
US4409636A (en) 1983-10-11
CA1175107A (fr) 1984-09-25
EP0053760A1 (fr) 1982-06-16
EP0053760B1 (fr) 1984-10-03

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