FR2095175A1 - - Google Patents

Info

Publication number
FR2095175A1
FR2095175A1 FR7021882A FR7021882A FR2095175A1 FR 2095175 A1 FR2095175 A1 FR 2095175A1 FR 7021882 A FR7021882 A FR 7021882A FR 7021882 A FR7021882 A FR 7021882A FR 2095175 A1 FR2095175 A1 FR 2095175A1
Authority
FR
France
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
FR7021882A
Other languages
French (fr)
Other versions
FR2095175B1 (enExample
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.)
Electricite de France SA
Original Assignee
Electricite de France SA
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 Electricite de France SA filed Critical Electricite de France SA
Priority to FR7021882A priority Critical patent/FR2095175B1/fr
Publication of FR2095175A1 publication Critical patent/FR2095175A1/fr
Application granted granted Critical
Publication of FR2095175B1 publication Critical patent/FR2095175B1/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
    • H02H3/33—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
    • H02H3/332—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 with means responsive to DC component in the fault current
    • 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
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/22—Instruments transformers for single phase AC
    • H01F38/28—Current transformers
    • H01F38/32—Circuit arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR7021882A 1970-06-15 1970-06-15 Expired FR2095175B1 (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7021882A FR2095175B1 (enExample) 1970-06-15 1970-06-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7021882A FR2095175B1 (enExample) 1970-06-15 1970-06-15

Publications (2)

Publication Number Publication Date
FR2095175A1 true FR2095175A1 (enExample) 1972-02-11
FR2095175B1 FR2095175B1 (enExample) 1975-07-04

Family

ID=9057179

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7021882A Expired FR2095175B1 (enExample) 1970-06-15 1970-06-15

Country Status (1)

Country Link
FR (1) FR2095175B1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998036432A1 (de) * 1997-02-17 1998-08-20 Vacuumschmelze Gmbh Stromwandler

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1027297B (de) * 1953-10-24 1958-04-03 Licentia Gmbh Strom- und stromrichtungsabhaengige Schutzanordnung fuer elektrische Anlagen
DE1803520A1 (de) * 1968-03-07 1969-10-16 Siemens Ag Stromwandler mit Luftspalt

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1027297B (de) * 1953-10-24 1958-04-03 Licentia Gmbh Strom- und stromrichtungsabhaengige Schutzanordnung fuer elektrische Anlagen
DE1803520A1 (de) * 1968-03-07 1969-10-16 Siemens Ag Stromwandler mit Luftspalt

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998036432A1 (de) * 1997-02-17 1998-08-20 Vacuumschmelze Gmbh Stromwandler
US6028422A (en) * 1997-02-17 2000-02-22 Vacuumschmelze Gmbh Current transformer

Also Published As

Publication number Publication date
FR2095175B1 (enExample) 1975-07-04

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