CH537112A - Earth fault monitoring switchgear on an alternating current network - Google Patents

Earth fault monitoring switchgear on an alternating current network

Info

Publication number
CH537112A
CH537112A CH653072A CH653072A CH537112A CH 537112 A CH537112 A CH 537112A CH 653072 A CH653072 A CH 653072A CH 653072 A CH653072 A CH 653072A CH 537112 A CH537112 A CH 537112A
Authority
CH
Switzerland
Prior art keywords
alternating current
current network
earth fault
fault monitoring
monitoring switchgear
Prior art date
Application number
CH653072A
Other languages
German (de)
Inventor
Technau Juergen
Ulrich Dipl Ing Junga
Roellecke Hubert
Original Assignee
Hartmann & Braun 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
Priority claimed from DE19712122140 external-priority patent/DE2122140C3/en
Application filed by Hartmann & Braun Ag filed Critical Hartmann & Braun Ag
Publication of CH537112A publication Critical patent/CH537112A/en

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
    • H02H3/17—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 by means of an auxiliary voltage injected into the installation to be protected

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
CH653072A 1971-05-05 1972-05-02 Earth fault monitoring switchgear on an alternating current network CH537112A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712122140 DE2122140C3 (en) 1971-05-05 Earth fault monitoring device

Publications (1)

Publication Number Publication Date
CH537112A true CH537112A (en) 1973-05-15

Family

ID=5806883

Family Applications (1)

Application Number Title Priority Date Filing Date
CH653072A CH537112A (en) 1971-05-05 1972-05-02 Earth fault monitoring switchgear on an alternating current network

Country Status (2)

Country Link
AT (1) AT309579B (en)
CH (1) CH537112A (en)

Also Published As

Publication number Publication date
DE2122140B2 (en) 1973-03-22
DE2122140A1 (en) 1972-11-16
AT309579B (en) 1973-08-27

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Legal Events

Date Code Title Description
PL Patent ceased