FR1000529A - Improvements in processes and devices for selective network protection - Google Patents

Improvements in processes and devices for selective network protection

Info

Publication number
FR1000529A
FR1000529A FR1000529DA FR1000529A FR 1000529 A FR1000529 A FR 1000529A FR 1000529D A FR1000529D A FR 1000529DA FR 1000529 A FR1000529 A FR 1000529A
Authority
FR
France
Prior art keywords
processes
devices
network protection
selective network
selective
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
UNION D'ELECTRICITE
Original Assignee
UNION D'ELECTRICITE
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 UNION D'ELECTRICITE filed Critical UNION D'ELECTRICITE
Application granted granted Critical
Publication of FR1000529A publication Critical patent/FR1000529A/en
Expired legal-status Critical Current

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
    • H02H3/30—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 using pilot wires or other signalling channel
    • H02H3/307—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 using pilot wires or other signalling channel involving comparison of quantities derived from a plurality of phases, e.g. homopolar quantities; using mixing transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR1000529D 1946-02-21 1946-02-21 Improvements in processes and devices for selective network protection Expired FR1000529A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1000529T 1946-02-21

Publications (1)

Publication Number Publication Date
FR1000529A true FR1000529A (en) 1952-02-13

Family

ID=9560457

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1000529D Expired FR1000529A (en) 1946-02-21 1946-02-21 Improvements in processes and devices for selective network protection

Country Status (1)

Country Link
FR (1) FR1000529A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2300450A1 (en) * 1975-02-07 1976-09-03 Westinghouse Electric Corp PHASE COMPARISON RELAY DEVICE AND IMPLEMENTATION METHOD

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2300450A1 (en) * 1975-02-07 1976-09-03 Westinghouse Electric Corp PHASE COMPARISON RELAY DEVICE AND IMPLEMENTATION METHOD

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