CH297582A - Dispositif destiné à rendre efficace une installation de protection pour un réseau électrique triphasé. - Google Patents

Dispositif destiné à rendre efficace une installation de protection pour un réseau électrique triphasé.

Info

Publication number
CH297582A
CH297582A CH297582DA CH297582A CH 297582 A CH297582 A CH 297582A CH 297582D A CH297582D A CH 297582DA CH 297582 A CH297582 A CH 297582A
Authority
CH
Switzerland
Prior art keywords
make
electrical network
device intended
phase electrical
protection installation
Prior art date
Application number
Other languages
English (en)
Inventor
Limited A Reyrolle Company
Original Assignee
Reyrolle & Company Limited A
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 Reyrolle & Company Limited A filed Critical Reyrolle & Company Limited A
Publication of CH297582A publication Critical patent/CH297582A/fr

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
    • H02H3/44—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 the rate of change of electrical quantities
    • 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
    • H02H3/307—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 comparison of quantities derived from a plurality of phases, e.g. homopolar quantities; using mixing transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Protection Of Static Devices (AREA)
  • Rectifiers (AREA)
  • Dc-Dc Converters (AREA)
CH297582D 1950-10-10 1951-10-10 Dispositif destiné à rendre efficace une installation de protection pour un réseau électrique triphasé. CH297582A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2477850A GB699300A (en) 1950-10-10 1950-10-10 Improvements in or relating to electric protective arrangements

Publications (1)

Publication Number Publication Date
CH297582A true CH297582A (fr) 1954-03-31

Family

ID=10217112

Family Applications (1)

Application Number Title Priority Date Filing Date
CH297582D CH297582A (fr) 1950-10-10 1951-10-10 Dispositif destiné à rendre efficace une installation de protection pour un réseau électrique triphasé.

Country Status (3)

Country Link
CH (1) CH297582A (fr)
FR (1) FR1043643A (fr)
GB (1) GB699300A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735962A (en) * 1956-02-21 Transformers

Also Published As

Publication number Publication date
GB699300A (en) 1953-11-04
FR1043643A (fr) 1953-11-10

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