FR29855E - Dispositif de protection des installations électriques - Google Patents

Dispositif de protection des installations électriques

Info

Publication number
FR29855E
FR29855E FR29855DA FR29855E FR 29855 E FR29855 E FR 29855E FR 29855D A FR29855D A FR 29855DA FR 29855 E FR29855 E FR 29855E
Authority
FR
France
Prior art keywords
protection device
electrical installations
installations
electrical
protection
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
Umrerto Modigliani
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 filed Critical
Application granted granted Critical
Publication of FR29855E publication Critical patent/FR29855E/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
FR29855D 1924-12-05 1924-12-05 Dispositif de protection des installations électriques Expired FR29855E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR29855T 1924-12-05

Publications (1)

Publication Number Publication Date
FR29855E true FR29855E (fr) 1925-11-10

Family

ID=8667813

Family Applications (1)

Application Number Title Priority Date Filing Date
FR29855D Expired FR29855E (fr) 1924-12-05 1924-12-05 Dispositif de protection des installations électriques

Country Status (1)

Country Link
FR (1) FR29855E (fr)

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