DK146609C - FAULT CURRENT RELAY - Google Patents

FAULT CURRENT RELAY

Info

Publication number
DK146609C
DK146609C DK186268A DK186268A DK146609C DK 146609 C DK146609 C DK 146609C DK 186268 A DK186268 A DK 186268A DK 186268 A DK186268 A DK 186268A DK 146609 C DK146609 C DK 146609C
Authority
DK
Denmark
Prior art keywords
fault current
current relay
relay
fault
current
Prior art date
Application number
DK186268A
Other languages
Danish (da)
Other versions
DK146609B (en
Inventor
Knud Harald Storm Johansen
Original Assignee
Schupa Elektro Gmbh & Co Kg
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 Schupa Elektro Gmbh & Co Kg filed Critical Schupa Elektro Gmbh & Co Kg
Priority to DK186268A priority Critical patent/DK146609C/en
Priority to GB5783768A priority patent/GB1255795A/en
Priority to DE19691905505 priority patent/DE1905505C3/en
Priority to FR6912857A priority patent/FR2009835A1/fr
Publication of DK146609B publication Critical patent/DK146609B/en
Application granted granted Critical
Publication of DK146609C publication Critical patent/DK146609C/en

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)
  • Breakers (AREA)
  • Relay Circuits (AREA)
DK186268A 1968-04-24 1968-04-24 FAULT CURRENT RELAY DK146609C (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DK186268A DK146609C (en) 1968-04-24 1968-04-24 FAULT CURRENT RELAY
GB5783768A GB1255795A (en) 1968-04-24 1968-12-05 Earth leakage protection devices
DE19691905505 DE1905505C3 (en) 1968-04-24 1969-02-05 Residual current circuit breaker
FR6912857A FR2009835A1 (en) 1968-04-24 1969-04-23

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK186268A DK146609C (en) 1968-04-24 1968-04-24 FAULT CURRENT RELAY
DK186268 1968-04-24

Publications (2)

Publication Number Publication Date
DK146609B DK146609B (en) 1983-11-14
DK146609C true DK146609C (en) 1984-04-30

Family

ID=8108614

Family Applications (1)

Application Number Title Priority Date Filing Date
DK186268A DK146609C (en) 1968-04-24 1968-04-24 FAULT CURRENT RELAY

Country Status (4)

Country Link
DE (1) DE1905505C3 (en)
DK (1) DK146609C (en)
FR (1) FR2009835A1 (en)
GB (1) GB1255795A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2555302C3 (en) * 1975-12-09 1982-02-25 Brown, Boveri & Cie Ag, 6800 Mannheim Residual current protection circuit
DE2555221C2 (en) * 1975-12-09 1984-10-25 Brown, Boveri & Cie Ag, 6800 Mannheim Procedure for the detection of residual currents of any kind
DE2555303C3 (en) * 1975-12-09 1982-03-04 Brown, Boveri & Cie Ag, 6800 Mannheim Residual current circuit arrangement
DE2602534A1 (en) * 1976-01-23 1977-07-28 Siemens Ag FAULT CURRENT CIRCUIT BREAKER
GB9016598D0 (en) * 1990-07-27 1990-09-12 Atomic Energy Authority Uk Traction system earth fault protection
DE19534273A1 (en) * 1995-09-15 1997-03-20 Schupa Elektro Gmbh & Co Kg Protection device for surge arresters
CN103368133B (en) * 2012-03-28 2016-08-31 施耐德电器工业公司 There is the earth leakage circuit breaker of low current fault protection between phase line

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE567079C (en) * 1928-01-17 1933-01-03 H Smolinski Dr Ing Device for preventing the persistence of fault currents, for example in the event of earth faults in electrical systems
DE603108C (en) * 1929-10-29 1934-09-22 Siemens Schuckertwerke Akt Ges Protection circuit with a relay lying in series with an overcurrent release, which closes its contacts when the permissible current limit is exceeded or not reached
DE521553C (en) * 1929-12-21 1931-03-24 Aeg Current transformer for supplying tripping devices for overcurrent switches
DE1027297B (en) * 1953-10-24 1958-04-03 Licentia Gmbh Current and current direction-dependent protection arrangement for electrical systems
DE1146181B (en) * 1961-04-28 1963-03-28 Siemens Ag Residual current circuit breaker with summation current transformer and amplifier
DE1140275B (en) * 1961-05-12 1962-11-29 Vedder Gmbh Geb Residual current protection circuit
DK151524C (en) * 1984-02-23 1988-06-13 Nordischer Maschinenbau APPLICATION FOR OPENING THE BUGHOLE OF FISH

Also Published As

Publication number Publication date
DE1905505B2 (en) 1973-01-11
DE1905505C3 (en) 1982-04-22
DE1905505A1 (en) 1969-11-20
DK146609B (en) 1983-11-14
GB1255795A (en) 1971-12-01
FR2009835A1 (en) 1970-02-13

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Legal Events

Date Code Title Description
PBP Patent lapsed