DE3307443C2 - - Google Patents

Info

Publication number
DE3307443C2
DE3307443C2 DE19833307443 DE3307443A DE3307443C2 DE 3307443 C2 DE3307443 C2 DE 3307443C2 DE 19833307443 DE19833307443 DE 19833307443 DE 3307443 A DE3307443 A DE 3307443A DE 3307443 C2 DE3307443 C2 DE 3307443C2
Authority
DE
Germany
Prior art keywords
current
frequency
fault
protection circuit
operating
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 - Lifetime
Application number
DE19833307443
Other languages
German (de)
English (en)
Other versions
DE3307443A1 (de
Inventor
Karl-Fr. Dr.-Ing. 8520 Erlangen De Eichhorn
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.)
Datron Electronic GmbH
Original Assignee
Datron Electronic GmbH
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 Datron Electronic GmbH filed Critical Datron Electronic GmbH
Priority to DE19833307443 priority Critical patent/DE3307443A1/de
Publication of DE3307443A1 publication Critical patent/DE3307443A1/de
Application granted granted Critical
Publication of DE3307443C2 publication Critical patent/DE3307443C2/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
    • H02H3/332—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
DE19833307443 1983-03-03 1983-03-03 Fehlerschutzschaltung Granted DE3307443A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19833307443 DE3307443A1 (de) 1983-03-03 1983-03-03 Fehlerschutzschaltung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833307443 DE3307443A1 (de) 1983-03-03 1983-03-03 Fehlerschutzschaltung

Publications (2)

Publication Number Publication Date
DE3307443A1 DE3307443A1 (de) 1984-09-06
DE3307443C2 true DE3307443C2 (fr) 1990-12-20

Family

ID=6192354

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19833307443 Granted DE3307443A1 (de) 1983-03-03 1983-03-03 Fehlerschutzschaltung

Country Status (1)

Country Link
DE (1) DE3307443A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT384358B (de) * 1985-04-29 1987-11-10 Hill Thomas Vorrichtung zum feststellen von hochfrequenten fehlerstroemen
DE3543948A1 (de) * 1985-12-12 1987-06-19 Siemens Ag Anordnung zum erfassen von fehlerstroemen
DE19702371A1 (de) * 1997-01-23 1998-07-30 Siemens Ag Fehlerstromschutzeinrichtung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3953767A (en) * 1974-04-15 1976-04-27 Rca Corporation Ground fault detection apparatus
DE2555303C3 (de) * 1975-12-09 1982-03-04 Brown, Boveri & Cie Ag, 6800 Mannheim Fehlerstromschutzschaltungsanordnung
DE2555255C3 (de) * 1975-12-09 1979-09-27 Brown, Boveri & Cie Ag, 6800 Mannheim Einrichtung zur Erfassung von Fehlerströmen

Also Published As

Publication number Publication date
DE3307443A1 (de) 1984-09-06

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: DATRON-ELECTRONIC GMBH, 6109 MUEHLTAL, DE

8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee