SE421976B - Anordning for jordslutningsbestemning vid en stromriktare - Google Patents

Anordning for jordslutningsbestemning vid en stromriktare

Info

Publication number
SE421976B
SE421976B SE7803320A SE7803320A SE421976B SE 421976 B SE421976 B SE 421976B SE 7803320 A SE7803320 A SE 7803320A SE 7803320 A SE7803320 A SE 7803320A SE 421976 B SE421976 B SE 421976B
Authority
SE
Sweden
Prior art keywords
circuit
determination device
equipment determination
equipment
determination
Prior art date
Application number
SE7803320A
Other languages
English (en)
Swedish (sv)
Other versions
SE7803320L (sv
Inventor
H Laber
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of SE7803320L publication Critical patent/SE7803320L/xx
Publication of SE421976B publication Critical patent/SE421976B/xx

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
    • H02H3/16—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 fault current to earth, frame or mass
    • H02H3/162—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 fault current to earth, frame or mass for ac systems
    • H02H3/165—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 fault current to earth, frame or mass for ac systems for three-phase systems
    • 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
    • H02H3/353—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 involving comparison of phase voltages

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Protection Of Static Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
SE7803320A 1977-04-14 1978-03-22 Anordning for jordslutningsbestemning vid en stromriktare SE421976B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2716605A DE2716605C2 (de) 1977-04-14 1977-04-14 Schaltungsanordnung zur ErdschluBerfassung bei einem Stromrichter

Publications (2)

Publication Number Publication Date
SE7803320L SE7803320L (sv) 1978-10-15
SE421976B true SE421976B (sv) 1982-02-08

Family

ID=6006306

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7803320A SE421976B (sv) 1977-04-14 1978-03-22 Anordning for jordslutningsbestemning vid en stromriktare

Country Status (10)

Country Link
US (1) US4198628A (de)
JP (1) JPS53128739A (de)
AT (1) AT363546B (de)
BE (1) BE865868A (de)
CA (1) CA1099341A (de)
CH (1) CH625918A5 (de)
DE (1) DE2716605C2 (de)
FR (1) FR2387542A1 (de)
GB (1) GB1599935A (de)
SE (1) SE421976B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2908374C2 (de) * 1979-03-03 1984-10-31 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Einrichtung und Anordnung zur Erd-Schlußerfassung in einem Gleichrichtergerät
FR2458165A1 (fr) * 1979-05-31 1980-12-26 Merlin Gerin Dispositif de protection contre les defauts de mise a la terre d'une alimentation a convertisseur statique
US4496940A (en) * 1982-01-15 1985-01-29 Pall Corporation Sensing and indicator system for detecting heating element failures
DE10148740B4 (de) * 2001-09-27 2013-10-24 Dr. Johannes Heidenhain Gmbh Verfahren zur Erdschlussüberwachung eines Stromrichterantriebs
US8841917B2 (en) * 2011-03-31 2014-09-23 Rockwell Automation Technologies, Inc. Ground scheme identification method
CN111796203B (zh) * 2020-06-03 2022-08-26 深圳蓄能发电有限公司 一种静止变频器网桥侧单相接地故障的识别方法及装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1270894A (en) * 1917-09-17 1918-07-02 Gen Electric Protective device.
US2428563A (en) * 1943-04-23 1947-10-07 Westinghouse Electric Corp Ground detector for electric power distribution systems
GB1020863A (en) * 1961-03-27 1966-02-23 Reyrolle A & Co Ltd Improvements relating to protective systems
US3293497A (en) * 1962-04-03 1966-12-20 Abraham B Brandler Ground fault detector
US3852641A (en) * 1973-02-05 1974-12-03 Gen Electric Protective system for mobile electric power apparatus
FR2299750A1 (fr) * 1975-01-31 1976-08-27 Vitte Jacky Dispositif de securite pour la

Also Published As

Publication number Publication date
CA1099341A (en) 1981-04-14
SE7803320L (sv) 1978-10-15
DE2716605B1 (de) 1978-06-08
BE865868A (fr) 1978-07-31
GB1599935A (en) 1981-10-07
JPS53128739A (en) 1978-11-10
FR2387542A1 (fr) 1978-11-10
AT363546B (de) 1981-08-10
US4198628A (en) 1980-04-15
CH625918A5 (de) 1981-10-15
DE2716605C2 (de) 1979-02-01
ATA152978A (de) 1981-01-15

Similar Documents

Publication Publication Date Title
SE7802611L (sv) Hallaranordning for kretskort
DK441978A (da) Elektronisk sikkerhedsudstyr
DD135538A5 (de) Elektronisches geraet
SE410546B (sv) Anordning vid ringvelt
SE7802772L (sv) Anordning vid press
SE7804336L (sv) Anordning vid provror
SE428969B (sv) Anordning vid fenstabiliserad granat
SE7806921L (sv) Kapslingsenhet for elektroniska anordningar
SE400131B (sv) Anordning vid reglerutrustningar for bearbetningsbanor
SE7800993L (sv) Kopplingsanordning for ledningar
SE7811791L (sv) Anordning vid synkronkoppling
SE7809773L (sv) Anordning vid kablar
SE7712333L (sv) Anordning vid moppar
SE7810249L (sv) Kopplingskrets for kompanderanordning
SE421976B (sv) Anordning for jordslutningsbestemning vid en stromriktare
SE403552B (sv) Anordning vid slaghack
SE391859B (sv) Anordning vid stativmonterad elektrisk utrustning
SE7713569L (sv) Anordning vid forbrenningsugn
SE7802400L (sv) Anordning vid kirurgisk utrustning
DK312978A (da) Anordning til fastholdelse af omloebstal
SE417869B (sv) Anordning vid tippbara degelugnar
SE7712659L (sv) Anordning vid betkar
SE7708807L (sv) Omvandlingskretsanordning
SE7710884L (sv) Anordning vid distanselement
SE7601049L (sv) Anordning vid eletromagnetisk krets