SE9400964L - Förfarande och anordning vid impedansskydd för att förhindra utlösning vid externa fel - Google Patents

Förfarande och anordning vid impedansskydd för att förhindra utlösning vid externa fel

Info

Publication number
SE9400964L
SE9400964L SE9400964A SE9400964A SE9400964L SE 9400964 L SE9400964 L SE 9400964L SE 9400964 A SE9400964 A SE 9400964A SE 9400964 A SE9400964 A SE 9400964A SE 9400964 L SE9400964 L SE 9400964L
Authority
SE
Sweden
Prior art keywords
power line
impedance
reactance
faulty
procedure
Prior art date
Application number
SE9400964A
Other languages
English (en)
Other versions
SE9400964D0 (sv
SE505765C2 (sv
Inventor
Gunnar Nimmersjoe
Original Assignee
Asea Brown Boveri
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 Brown Boveri filed Critical Asea Brown Boveri
Priority to SE9400964A priority Critical patent/SE505765C2/sv
Publication of SE9400964D0 publication Critical patent/SE9400964D0/sv
Publication of SE9400964L publication Critical patent/SE9400964L/sv
Publication of SE505765C2 publication Critical patent/SE505765C2/sv

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
    • H02H3/40—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 ratio of voltage and current

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
SE9400964A 1994-03-23 1994-03-23 Förfarande och anordning vid impedansskydd för att förhindra utlösning vid externa fel SE505765C2 (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE9400964A SE505765C2 (sv) 1994-03-23 1994-03-23 Förfarande och anordning vid impedansskydd för att förhindra utlösning vid externa fel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9400964A SE505765C2 (sv) 1994-03-23 1994-03-23 Förfarande och anordning vid impedansskydd för att förhindra utlösning vid externa fel

Publications (3)

Publication Number Publication Date
SE9400964D0 SE9400964D0 (sv) 1994-03-23
SE9400964L true SE9400964L (sv) 1995-09-24
SE505765C2 SE505765C2 (sv) 1997-10-06

Family

ID=20393374

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9400964A SE505765C2 (sv) 1994-03-23 1994-03-23 Förfarande och anordning vid impedansskydd för att förhindra utlösning vid externa fel

Country Status (1)

Country Link
SE (1) SE505765C2 (sv)

Also Published As

Publication number Publication date
SE9400964D0 (sv) 1994-03-23
SE505765C2 (sv) 1997-10-06

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Legal Events

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NUG Patent has lapsed