FR943579A - Perfectionnements aux dispositifs de protection des lignes électriques - Google Patents

Perfectionnements aux dispositifs de protection des lignes électriques

Info

Publication number
FR943579A
FR943579A FR943579DA FR943579A FR 943579 A FR943579 A FR 943579A FR 943579D A FR943579D A FR 943579DA FR 943579 A FR943579 A FR 943579A
Authority
FR
France
Prior art keywords
protection devices
electrical line
line protection
electrical
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 FR943579A publication Critical patent/FR943579A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26Emergency 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
    • H02H3/32Emergency 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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/34Emergency 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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system
    • H02H3/343Emergency 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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system using phase sequence analysers
FR943579D 1947-03-26 1947-03-26 Perfectionnements aux dispositifs de protection des lignes électriques Expired FR943579A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR943579T 1947-03-26

Publications (1)

Publication Number Publication Date
FR943579A true FR943579A (fr) 1949-03-11

Family

ID=9471332

Family Applications (1)

Application Number Title Priority Date Filing Date
FR943579D Expired FR943579A (fr) 1947-03-26 1947-03-26 Perfectionnements aux dispositifs de protection des lignes électriques

Country Status (1)

Country Link
FR (1) FR943579A (fr)

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