FR761843A - Dispositif de sécurité pour lignes électriques - Google Patents

Dispositif de sécurité pour lignes électriques

Info

Publication number
FR761843A
FR761843A FR761843DA FR761843A FR 761843 A FR761843 A FR 761843A FR 761843D A FR761843D A FR 761843DA FR 761843 A FR761843 A FR 761843A
Authority
FR
France
Prior art keywords
safety device
power lines
lines
power
safety
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)
Inventor
Leon Drin
Drin Champigny
Reverdy
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.)
MATERIEL ELECTR FRANC DE
Original Assignee
MATERIEL ELECTR FRANC DE
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 MATERIEL ELECTR FRANC DE filed Critical MATERIEL ELECTR FRANC DE
Application granted granted Critical
Publication of FR761843A publication Critical patent/FR761843A/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
    • H02H3/32—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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/34—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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system
    • H02H3/353—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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system involving comparison of phase voltages
FR761843D 1932-12-22 1932-12-22 Dispositif de sécurité pour lignes électriques Expired FR761843A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR761843T 1932-12-22

Publications (1)

Publication Number Publication Date
FR761843A true FR761843A (fr) 1934-03-28

Family

ID=9174532

Family Applications (1)

Application Number Title Priority Date Filing Date
FR761843D Expired FR761843A (fr) 1932-12-22 1932-12-22 Dispositif de sécurité pour lignes électriques

Country Status (1)

Country Link
FR (1) FR761843A (fr)

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