FR2087977A1 - - Google Patents

Info

Publication number
FR2087977A1
FR2087977A1 FR7016252A FR7016252A FR2087977A1 FR 2087977 A1 FR2087977 A1 FR 2087977A1 FR 7016252 A FR7016252 A FR 7016252A FR 7016252 A FR7016252 A FR 7016252A FR 2087977 A1 FR2087977 A1 FR 2087977A1
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
FR7016252A
Other languages
French (fr)
Other versions
FR2087977B1 (cg-RX-API-DMAC10.html
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.)
LEAD
Original Assignee
LEAD
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 LEAD filed Critical LEAD
Priority to FR7016252A priority Critical patent/FR2087977B1/fr
Publication of FR2087977A1 publication Critical patent/FR2087977A1/fr
Application granted granted Critical
Publication of FR2087977B1 publication Critical patent/FR2087977B1/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/32—Electromagnetic mechanisms having permanently magnetised part

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR7016252A 1970-05-04 1970-05-04 Expired FR2087977B1 (cg-RX-API-DMAC10.html)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7016252A FR2087977B1 (cg-RX-API-DMAC10.html) 1970-05-04 1970-05-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7016252A FR2087977B1 (cg-RX-API-DMAC10.html) 1970-05-04 1970-05-04

Publications (2)

Publication Number Publication Date
FR2087977A1 true FR2087977A1 (cg-RX-API-DMAC10.html) 1972-01-07
FR2087977B1 FR2087977B1 (cg-RX-API-DMAC10.html) 1974-05-24

Family

ID=9055041

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7016252A Expired FR2087977B1 (cg-RX-API-DMAC10.html) 1970-05-04 1970-05-04

Country Status (1)

Country Link
FR (1) FR2087977B1 (cg-RX-API-DMAC10.html)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436194A (en) * 1945-08-30 1948-02-17 Gen Electric Circuit breaker operating means
FR1231655A (fr) * 1957-09-20 1960-09-30 Gram Electric Soc Appareil de protection électrique contre les surcharges et la marche en monophasé
US3190990A (en) * 1961-10-16 1965-06-22 Allis Chalmers Mfg Co Explosive actuated switch

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436194A (en) * 1945-08-30 1948-02-17 Gen Electric Circuit breaker operating means
FR1231655A (fr) * 1957-09-20 1960-09-30 Gram Electric Soc Appareil de protection électrique contre les surcharges et la marche en monophasé
US3190990A (en) * 1961-10-16 1965-06-22 Allis Chalmers Mfg Co Explosive actuated switch

Also Published As

Publication number Publication date
FR2087977B1 (cg-RX-API-DMAC10.html) 1974-05-24

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Legal Events

Date Code Title Description
ST Notification of lapse