GB1359714A - Earth leakage protective arrangements - Google Patents

Earth leakage protective arrangements

Info

Publication number
GB1359714A
GB1359714A GB3453871A GB3453871A GB1359714A GB 1359714 A GB1359714 A GB 1359714A GB 3453871 A GB3453871 A GB 3453871A GB 3453871 A GB3453871 A GB 3453871A GB 1359714 A GB1359714 A GB 1359714A
Authority
GB
United Kingdom
Prior art keywords
earth leakage
leakage protective
protective arrangements
july
trip coil
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
GB3453871A
Other languages
English (en)
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.)
Siemens Corp
Original Assignee
Siemens Corp
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
Priority claimed from DE19702036497 external-priority patent/DE2036497C3/de
Application filed by Siemens Corp filed Critical Siemens Corp
Publication of GB1359714A publication Critical patent/GB1359714A/en
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
    • 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)
GB3453871A 1970-07-23 1971-07-22 Earth leakage protective arrangements Expired GB1359714A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702036497 DE2036497C3 (de) 1970-07-23 Fehlerstromschutzschalte r

Publications (1)

Publication Number Publication Date
GB1359714A true GB1359714A (en) 1974-07-10

Family

ID=5777593

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3453871A Expired GB1359714A (en) 1970-07-23 1971-07-22 Earth leakage protective arrangements

Country Status (7)

Country Link
JP (1) JPS561012B1 (enrdf_load_stackoverflow)
AT (1) AT318052B (enrdf_load_stackoverflow)
BE (1) BE770327A (enrdf_load_stackoverflow)
CH (1) CH532855A (enrdf_load_stackoverflow)
DK (1) DK134374C (enrdf_load_stackoverflow)
FR (1) FR2099548B1 (enrdf_load_stackoverflow)
GB (1) GB1359714A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4307429A (en) 1979-02-23 1981-12-22 Siemens Aktiengesellschaft Method and apparatus for monitoring conductor currents for a fault current
US8699190B2 (en) 2010-11-23 2014-04-15 Vacuumschmelze Gmbh & Co. Kg Soft magnetic metal strip for electromechanical components

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49101847A (enrdf_load_stackoverflow) * 1973-01-31 1974-09-26
DE2348881C3 (de) * 1973-09-28 1980-10-16 Siemens Ag, 1000 Berlin Und 8000 Muenchen Fehlerstromschutzschalter
DE2429446A1 (de) * 1974-06-19 1976-01-02 Siemens Ag Zusatzteil fuer fehlerstromschutzschalter zum nachtraeglichen umruesten
JPS54639U (enrdf_load_stackoverflow) * 1977-03-04 1979-01-05
FR2422276A1 (fr) * 1978-04-07 1979-11-02 Saparel Dispositif de protection contre les courants de defaut a la terre
AT372549B (de) * 1980-04-16 1983-10-25 Felten & Guilleaume Ag Oester Fehlerstromschutzschalter ohne summenstromwandler
FR2481851A1 (fr) * 1980-04-30 1981-11-06 Merlin Gerin Dispositif de protection differentielle sensible a un courant unidirectionnel
DE3202320A1 (de) * 1982-01-26 1983-07-28 Siemens AG, 1000 Berlin und 8000 München Fehlerstromschutzschalter, der auf fehlerstroeme mit gleichstromkomponenten anspricht
GB8512133D0 (en) * 1985-05-14 1985-06-19 Dorman Smith Switchgear Ltd Residual current detector
DE19702371A1 (de) * 1997-01-23 1998-07-30 Siemens Ag Fehlerstromschutzeinrichtung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4307429A (en) 1979-02-23 1981-12-22 Siemens Aktiengesellschaft Method and apparatus for monitoring conductor currents for a fault current
US8699190B2 (en) 2010-11-23 2014-04-15 Vacuumschmelze Gmbh & Co. Kg Soft magnetic metal strip for electromechanical components

Also Published As

Publication number Publication date
BE770327A (fr) 1972-01-24
DE2036497A1 (de) 1972-02-03
CH532855A (de) 1973-01-15
FR2099548A1 (enrdf_load_stackoverflow) 1972-03-17
JPS561012B1 (enrdf_load_stackoverflow) 1981-01-10
FR2099548B1 (enrdf_load_stackoverflow) 1976-04-30
JPS473574A (enrdf_load_stackoverflow) 1972-02-22
DK134374C (da) 1977-03-21
DE2036497B2 (de) 1975-03-27
AT318052B (de) 1974-09-25
DK134374B (da) 1976-10-25

Similar Documents

Publication Publication Date Title
GB1359714A (en) Earth leakage protective arrangements
GB1118291A (en) Improvements in or relating to electrical protection devices
ZA741215B (en) Ground fault interrupter circuit with excited secondary winding on differential transformer
GB1201877A (en) Earth leakage protection arrangements
GB1090123A (en) A power circuit breaker testing apparatus
JPS5228220A (en) Deflection yoke
GB648207A (en) Improvements in protective devices for electric circuits
GB828218A (en) Improvements in or relating to safety devices for the protection of electric cables against accidental faults
JPS53142637A (en) Protective relaying system for transformer
SU540323A1 (ru) Устройство дл защиты от замыканий на землю в трехвазной сети
JPS5413949A (en) Switchgear
JPS5329540A (en) Power line carrier communication device
JPS5363507A (en) Single phase induction motors
LONGMIRE Review of general principles for shielding against magnetic fields affecting the performance of transformers, relays or microwave devices
GB1359848A (en) Earth leakage protective arrangements
GB984661A (en) Three-phase current limiting reactor system
JPS52123155A (en) Voltage control oscillation circuit
JPS531796A (en) Divided type toroidal coil
JPS5329541A (en) Power line carrier communication device
JPS5429993A (en) Superconductor
JPS534807A (en) Protective equipment for power plant
JPS549753A (en) Transformer protective relay system
AU251620B2 (en) Circuit arrangement for generating a sawtooth-shaped current ina coil
JPS5355757A (en) Power line protection
JPS5414656A (en) Protective circuit for transistor

Legal Events

Date Code Title Description
PS Patent sealed
429A Application made for amendment of specification (sect. 29/1949)
429H Application (made) for amendment of specification now open to opposition (sect. 29/1949)
429D Case decided by the comptroller ** specification amended (sect. 29/1949)
SP Amendment (slips) printed
PCNP Patent ceased through non-payment of renewal fee