IT981640B - Dispositivo di protezione differen ziale per linee elettriche - Google Patents

Dispositivo di protezione differen ziale per linee elettriche

Info

Publication number
IT981640B
IT981640B IT2217973A IT2217973A IT981640B IT 981640 B IT981640 B IT 981640B IT 2217973 A IT2217973 A IT 2217973A IT 2217973 A IT2217973 A IT 2217973A IT 981640 B IT981640 B IT 981640B
Authority
IT
Italy
Prior art keywords
protection device
electric lines
differen tial
differen
tial
Prior art date
Application number
IT2217973A
Other languages
English (en)
Italian (it)
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
Application granted granted Critical
Publication of IT981640B publication Critical patent/IT981640B/it

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
    • H02H3/26—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
    • H02H3/28—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
    • H02H3/283—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus and taking into account saturation of current transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
IT2217973A 1972-03-30 1973-03-27 Dispositivo di protezione differen ziale per linee elettriche IT981640B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722216377 DE2216377B2 (de) 1972-03-30 1972-03-30 Differentialschutz

Publications (1)

Publication Number Publication Date
IT981640B true IT981640B (it) 1974-10-10

Family

ID=5841066

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2217973A IT981640B (it) 1972-03-30 1973-03-27 Dispositivo di protezione differen ziale per linee elettriche

Country Status (5)

Country Link
JP (1) JPS4914948A (enrdf_load_stackoverflow)
CH (1) CH553496A (enrdf_load_stackoverflow)
DE (1) DE2216377B2 (enrdf_load_stackoverflow)
IT (1) IT981640B (enrdf_load_stackoverflow)
SE (1) SE377241B (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH577762A5 (enrdf_load_stackoverflow) * 1974-02-27 1976-07-15 Bbc Brown Boveri & Cie
DE2924122C2 (de) * 1979-06-15 1984-07-05 Kommanditgesellschaft Ritz Messwandler Gmbh & Co, 2000 Hamburg Elektronische Fehlerstrom-Schutzeinrichtung
JPS60180421A (ja) * 1984-02-27 1985-09-14 三菱電機株式会社 差動保護継電装置
JP2565870B2 (ja) * 1986-06-11 1996-12-18 株式会社東芝 差動継電装置
DE4420513A1 (de) * 1994-06-13 1995-12-14 Abb Management Ag Verfahren und Vorrichtung zum Schutz von Sammelschienen

Also Published As

Publication number Publication date
DE2216377C3 (enrdf_load_stackoverflow) 1975-05-15
CH553496A (de) 1974-08-30
DE2216377A1 (de) 1973-10-11
JPS4914948A (enrdf_load_stackoverflow) 1974-02-08
DE2216377B2 (de) 1974-09-12
SE377241B (enrdf_load_stackoverflow) 1975-06-23

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