FR820997A - Perfectionnements aux dispositifs de protection sélective des lignes électriques - Google Patents

Perfectionnements aux dispositifs de protection sélective des lignes électriques

Info

Publication number
FR820997A
FR820997A FR820997DA FR820997A FR 820997 A FR820997 A FR 820997A FR 820997D A FR820997D A FR 820997DA FR 820997 A FR820997 A FR 820997A
Authority
FR
France
Prior art keywords
power lines
protection devices
selective protection
selective
devices
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
English (en)
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.)
Compagnie Electro Mecanique SA
Original Assignee
Compagnie Electro Mecanique SA
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 Compagnie Electro Mecanique SA filed Critical Compagnie Electro Mecanique SA
Application granted granted Critical
Publication of FR820997A publication Critical patent/FR820997A/fr
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
    • H02H3/302—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 phase comparison

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR820997D 1936-07-29 1936-07-29 Perfectionnements aux dispositifs de protection sélective des lignes électriques Expired FR820997A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR820997T 1936-07-29

Publications (1)

Publication Number Publication Date
FR820997A true FR820997A (fr) 1937-11-24

Family

ID=9274764

Family Applications (1)

Application Number Title Priority Date Filing Date
FR820997D Expired FR820997A (fr) 1936-07-29 1936-07-29 Perfectionnements aux dispositifs de protection sélective des lignes électriques

Country Status (1)

Country Link
FR (1) FR820997A (fr)

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