DE3013212C2 - - Google Patents

Info

Publication number
DE3013212C2
DE3013212C2 DE3013212A DE3013212A DE3013212C2 DE 3013212 C2 DE3013212 C2 DE 3013212C2 DE 3013212 A DE3013212 A DE 3013212A DE 3013212 A DE3013212 A DE 3013212A DE 3013212 C2 DE3013212 C2 DE 3013212C2
Authority
DE
Germany
Prior art keywords
amplifier
protection device
circuit
secondary winding
transformer
Prior art date
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.)
Expired
Application number
DE3013212A
Other languages
German (de)
English (en)
Other versions
DE3013212A1 (de
Inventor
Bernard Montreuil Sous Bois Fr Dumortier
Christian Taverny Fr Cadet
Georges Paris Fr Souques
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.)
Telemecanique SA
Original Assignee
La Telemecanique Electrique 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 La Telemecanique Electrique SA filed Critical La Telemecanique Electrique SA
Publication of DE3013212A1 publication Critical patent/DE3013212A1/de
Application granted granted Critical
Publication of DE3013212C2 publication Critical patent/DE3013212C2/de
Granted 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
    • H02H3/331—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 responsive to earthing of the neutral conductor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Transformers (AREA)
DE19803013212 1979-04-06 1980-04-03 Vorrichtung zum schutz von personen gegen direkte kontakte mit einem der phasenleiter eines stromversorgungsnetzes und zum schutz gegen isolationsfehler des nullleiters Granted DE3013212A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7908732A FR2453490A1 (fr) 1979-04-06 1979-04-06 Dispositif de protection des personnes contre les contacts directs avec l'un des conducteurs de phase d'un reseau de distribution electrique et de protection contre les defauts d'isolement du conducteur neutre

Publications (2)

Publication Number Publication Date
DE3013212A1 DE3013212A1 (de) 1980-10-23
DE3013212C2 true DE3013212C2 (OSRAM) 1989-03-09

Family

ID=9224047

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803013212 Granted DE3013212A1 (de) 1979-04-06 1980-04-03 Vorrichtung zum schutz von personen gegen direkte kontakte mit einem der phasenleiter eines stromversorgungsnetzes und zum schutz gegen isolationsfehler des nullleiters

Country Status (4)

Country Link
US (1) US4392174A (OSRAM)
CH (1) CH635471A5 (OSRAM)
DE (1) DE3013212A1 (OSRAM)
FR (1) FR2453490A1 (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4564747A (en) * 1983-09-30 1986-01-14 Chevron Research Company Methods and apparatus for detecting abnormalities in proximity effect heat-tracing circuits
FR2622369B1 (fr) * 1987-10-23 1990-02-09 Serd Soc Et Realisa Disjonct Interrupteur differentiel selectif a courant de defaut
US20170259927A1 (en) * 2016-03-14 2017-09-14 Rosemount Aerospace, Inc. Ac power heater short-to-chassis ground detection circuit
EP4304085A3 (de) 2017-04-28 2024-03-27 Burmester Audiosysteme GmbH Signalverstärkerschaltung, spannungswandler und system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1443140A (fr) * 1965-03-10 1966-06-24 Electronique Et Nucleaire Soc Dispositif pour le contrôle permanent des résistances d'isolement d'une installation électrique à basse tension
FR2036941B1 (OSRAM) * 1969-04-21 1976-10-01 Saparel App Electri
US3772569A (en) * 1972-09-05 1973-11-13 Rucker Co Ground fault protective system
US3801871A (en) * 1973-04-23 1974-04-02 Amf Inc Gfi circuit having tuned circuit fault detector
US3936699A (en) * 1973-11-30 1976-02-03 Pass & Seymour, Inc. Ground fault protective circuitry
US4024436A (en) * 1973-11-30 1977-05-17 Syracuse Electronics Corporation Subsidiary Of Pass & Seymour, Inc. Ground fault protective circuitry
US3878435A (en) * 1974-01-21 1975-04-15 Cutler Hammer Inc Dormant oscillator ground to neutral protection for ground fault interrupters
CA1104243A (en) * 1974-06-17 1981-06-30 Lynn B. Steve Ground fault circuit interrupter module
US3953766A (en) * 1974-09-16 1976-04-27 General Electric Company Ground fault circuit interrupter and electronic module therefor
US3973171A (en) * 1975-05-19 1976-08-03 General Electric Company Ground fault circuit interrupting device with grounded neutral detection

Also Published As

Publication number Publication date
DE3013212A1 (de) 1980-10-23
CH635471A5 (fr) 1983-03-31
FR2453490B1 (OSRAM) 1981-12-24
FR2453490A1 (fr) 1980-10-31
US4392174A (en) 1983-07-05

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: H02H 3/33

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee