DE2440047A1 - - Google Patents

Info

Publication number
DE2440047A1
DE2440047A1 DE19742440047 DE2440047A DE2440047A1 DE 2440047 A1 DE2440047 A1 DE 2440047A1 DE 19742440047 DE19742440047 DE 19742440047 DE 2440047 A DE2440047 A DE 2440047A DE 2440047 A1 DE2440047 A1 DE 2440047A1
Authority
DE
Germany
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.)
Granted
Application number
DE19742440047
Other languages
German (de)
Other versions
DE2440047B1 (de
DE2440047C2 (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 filed Critical
Priority to DE19742440047 priority Critical patent/DE2440047C2/de
Priority claimed from DE19742440047 external-priority patent/DE2440047C2/de
Priority to ES435986A priority patent/ES435986A1/es
Priority to IT1257175A priority patent/IT1033879B/it
Priority to FR7522148A priority patent/FR2282714A1/fr
Publication of DE2440047A1 publication Critical patent/DE2440047A1/de
Publication of DE2440047B1 publication Critical patent/DE2440047B1/de
Application granted granted Critical
Publication of DE2440047C2 publication Critical patent/DE2440047C2/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/42—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils
    • H01F27/422—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers
    • H01F27/427—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers for current transformers
    • 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
    • H02H3/33—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 using summation current transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Synchronous Machinery (AREA)
  • Breakers (AREA)
  • Transformers For Measuring Instruments (AREA)
DE19742440047 1974-08-21 1974-08-21 Fehlerstrom-Schutzschalter Expired DE2440047C2 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19742440047 DE2440047C2 (de) 1974-08-21 Fehlerstrom-Schutzschalter
ES435986A ES435986A1 (es) 1974-08-21 1975-03-25 Perfeccionamientos introducidos en los interruptores de proteccion contra corriente de defecto.
IT1257175A IT1033879B (it) 1974-08-21 1975-04-16 Interruttore di sicurezza per correnti di guasto
FR7522148A FR2282714A1 (fr) 1974-08-21 1975-07-09 Disjoncteur par courant de defaut

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742440047 DE2440047C2 (de) 1974-08-21 Fehlerstrom-Schutzschalter

Publications (3)

Publication Number Publication Date
DE2440047A1 true DE2440047A1 (no) 1975-12-18
DE2440047B1 DE2440047B1 (de) 1975-12-18
DE2440047C2 DE2440047C2 (de) 1976-07-29

Family

ID=

Also Published As

Publication number Publication date
ES435986A1 (es) 1976-12-16
FR2282714A1 (fr) 1976-03-19
DE2440047B1 (de) 1975-12-18
IT1033879B (it) 1979-08-10
FR2282714B1 (no) 1978-09-22

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee