CH448253A - Method and device for controlling distance protection devices in power transmission lines - Google Patents

Method and device for controlling distance protection devices in power transmission lines

Info

Publication number
CH448253A
CH448253A CH94767A CH94767A CH448253A CH 448253 A CH448253 A CH 448253A CH 94767 A CH94767 A CH 94767A CH 94767 A CH94767 A CH 94767A CH 448253 A CH448253 A CH 448253A
Authority
CH
Switzerland
Prior art keywords
power transmission
transmission lines
protection devices
distance protection
controlling distance
Prior art date
Application number
CH94767A
Other languages
German (de)
Inventor
Bertil Jonsson Karl
Nordal Pedersen Svend
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of CH448253A publication Critical patent/CH448253A/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
    • H02H1/0076—Details of emergency protective circuit arrangements concerning transmission of signals by superposition on the watched current

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Selective Calling Equipment (AREA)
  • Emergency Protection Circuit Devices (AREA)
CH94767A 1966-01-21 1967-01-20 Method and device for controlling distance protection devices in power transmission lines CH448253A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE78766 1966-01-21

Publications (1)

Publication Number Publication Date
CH448253A true CH448253A (en) 1967-12-15

Family

ID=20257091

Family Applications (1)

Application Number Title Priority Date Filing Date
CH94767A CH448253A (en) 1966-01-21 1967-01-20 Method and device for controlling distance protection devices in power transmission lines

Country Status (4)

Country Link
CH (1) CH448253A (en)
GB (1) GB1171824A (en)
NO (1) NO116167B (en)
SE (1) SE220386C1 (en)

Also Published As

Publication number Publication date
NO116167B (en) 1969-02-10
GB1171824A (en) 1969-11-26
SE220386C1 (en) 1968-05-07

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