FR638962A - Improvements in protection devices for electrical installations - Google Patents

Improvements in protection devices for electrical installations

Info

Publication number
FR638962A
FR638962A FR638962DA FR638962A FR 638962 A FR638962 A FR 638962A FR 638962D A FR638962D A FR 638962DA FR 638962 A FR638962 A FR 638962A
Authority
FR
France
Prior art keywords
protection devices
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
French (fr)
Inventor
Gino Campos
Lorenzo Bosisio
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 FR638962A publication Critical patent/FR638962A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR638962D 1927-08-04 1927-08-04 Improvements in protection devices for electrical installations Expired FR638962A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR638962T 1927-08-04

Publications (1)

Publication Number Publication Date
FR638962A true FR638962A (en) 1928-06-08

Family

ID=8996410

Family Applications (1)

Application Number Title Priority Date Filing Date
FR638962D Expired FR638962A (en) 1927-08-04 1927-08-04 Improvements in protection devices for electrical installations

Country Status (1)

Country Link
FR (1) FR638962A (en)

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