FR2175189A1 - - Google Patents

Info

Publication number
FR2175189A1
FR2175189A1 FR7308335A FR7308335A FR2175189A1 FR 2175189 A1 FR2175189 A1 FR 2175189A1 FR 7308335 A FR7308335 A FR 7308335A FR 7308335 A FR7308335 A FR 7308335A FR 2175189 A1 FR2175189 A1 FR 2175189A1
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
FR7308335A
Other languages
French (fr)
Other versions
FR2175189B3 (enrdf_load_html_response
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.)
BBC Brown Boveri AG Switzerland
BBC Brown Boveri AG Germany
Original Assignee
BBC Brown Boveri AG Switzerland
BBC Brown Boveri AG Germany
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 BBC Brown Boveri AG Switzerland, BBC Brown Boveri AG Germany filed Critical BBC Brown Boveri AG Switzerland
Publication of FR2175189A1 publication Critical patent/FR2175189A1/fr
Application granted granted Critical
Publication of FR2175189B3 publication Critical patent/FR2175189B3/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01F38/30—Constructions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Of Transformers For General Uses (AREA)
FR7308335A 1972-03-09 1973-03-08 Expired FR2175189B3 (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722211304 DE2211304A1 (de) 1972-03-09 1972-03-09 Summenstromwandler

Publications (2)

Publication Number Publication Date
FR2175189A1 true FR2175189A1 (enrdf_load_html_response) 1973-10-19
FR2175189B3 FR2175189B3 (enrdf_load_html_response) 1976-03-05

Family

ID=5838363

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7308335A Expired FR2175189B3 (enrdf_load_html_response) 1972-03-09 1973-03-08

Country Status (4)

Country Link
CH (1) CH548661A (enrdf_load_html_response)
DE (1) DE2211304A1 (enrdf_load_html_response)
FR (1) FR2175189B3 (enrdf_load_html_response)
IT (1) IT979748B (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2581264A1 (fr) * 1985-04-26 1986-10-31 Etude Realisa Disjoncteurs Transformateur de sommation et processus de sa fabrication

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2581264A1 (fr) * 1985-04-26 1986-10-31 Etude Realisa Disjoncteurs Transformateur de sommation et processus de sa fabrication

Also Published As

Publication number Publication date
DE2211304A1 (de) 1973-09-13
CH548661A (de) 1974-04-30
IT979748B (it) 1974-09-30
FR2175189B3 (enrdf_load_html_response) 1976-03-05

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Legal Events

Date Code Title Description
ST Notification of lapse