GB1543050A - Protective device for electrical circuits - Google Patents

Protective device for electrical circuits

Info

Publication number
GB1543050A
GB1543050A GB800476A GB800476A GB1543050A GB 1543050 A GB1543050 A GB 1543050A GB 800476 A GB800476 A GB 800476A GB 800476 A GB800476 A GB 800476A GB 1543050 A GB1543050 A GB 1543050A
Authority
GB
United Kingdom
Prior art keywords
protective device
electrical circuits
circuits
electrical
protective
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
GB800476A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1543050A publication Critical patent/GB1543050A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
    • H02H11/001—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of incorrect or interrupted earth connection
    • 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
    • H02H3/338—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 also responsive to wiring error, e.g. loss of neutral, break

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Breakers (AREA)
GB800476A 1975-03-01 1976-03-01 Protective device for electrical circuits Expired GB1543050A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752508979 DE2508979C2 (de) 1975-03-01 1975-03-01 Anordnung für einen Schutzschalter mit einer Fehlerstrom-Überwachungseinheit und einer Erdungswiderstand-Überwachungseinheit

Publications (1)

Publication Number Publication Date
GB1543050A true GB1543050A (en) 1979-03-28

Family

ID=5940204

Family Applications (1)

Application Number Title Priority Date Filing Date
GB800476A Expired GB1543050A (en) 1975-03-01 1976-03-01 Protective device for electrical circuits

Country Status (10)

Country Link
AT (1) AT345927B (da)
BE (1) BE839019A (da)
CH (1) CH604366A5 (da)
DE (1) DE2508979C2 (da)
DK (1) DK147503C (da)
FR (1) FR2303369A1 (da)
GB (1) GB1543050A (da)
IT (1) IT1057278B (da)
NL (1) NL7602011A (da)
SE (1) SE419013B (da)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2276991A (en) * 1993-03-22 1994-10-12 B & R Electrical Plc Protection circuit responsive to several sensors

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3338820A1 (de) * 1983-10-26 1985-05-15 Robert Krups Stiftung & Co KG, 5650 Solingen Elektrisches anschlussgeraet, wie steckdose, mit fehlerstromschalter fuer elektrische verbraucher
DE3505718A1 (de) * 1984-04-11 1985-10-17 Hartmann & Braun Ag, 6000 Frankfurt Anordnung mit wandlerstromausloesung im ausloesekreis von schutzrelais fuer wechselstromnetze
DE3803582A1 (de) * 1988-02-06 1989-08-17 Licentia Gmbh Netzanschluss mit ueberspannungsschutz
FR2642846B1 (fr) * 1989-02-06 1991-07-12 Forclum Force Lumiere Elect Procede et dispositif de surveillance des prises de terre d'une installation electrique
DE29600914U1 (de) * 1996-01-19 1996-03-28 Siemens Ag Anordnung zur Überwachung
DE19601880A1 (de) * 1996-01-19 1997-07-24 Siemens Ag Verbrauchernetzanordnung
DE19640345A1 (de) * 1996-09-20 1998-03-26 Siemens Ag Stromversorgungsschaltung für eine elektronische Auslöseschaltung
DE102008005687A1 (de) * 2008-01-23 2009-08-06 Siemens Aktiengesellschaft Steuereinrichtung zum sicheren Wiedereinschalten eines Fehlerstromschutzschalters

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3654515A (en) * 1969-06-26 1972-04-04 Chubu Seiki Kk Leakage current interrupting apparatus
US3611035A (en) * 1970-06-08 1971-10-05 Rucker Co Ground fault protective system having grounded neutral protection
US3713003A (en) * 1971-02-16 1973-01-23 Purex Corp Ltd Fault or leak detector
FR2191319B1 (da) * 1972-06-29 1976-03-12 Radiotechnique Compelec
GB1455845A (en) * 1973-02-27 1976-11-17 Square D Co Ground fault protection system
IT1010294B (it) * 1973-06-11 1977-01-10 Rca Corp Circuito per la rivelazione di guasti fra rete e terra e fra neutro e terra

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2276991A (en) * 1993-03-22 1994-10-12 B & R Electrical Plc Protection circuit responsive to several sensors

Also Published As

Publication number Publication date
FR2303369A1 (fr) 1976-10-01
DE2508979C2 (de) 1984-07-12
IT1057278B (it) 1982-03-10
DK147503C (da) 1985-10-21
BE839019A (fr) 1976-08-27
DK147503B (da) 1984-09-03
DK80476A (da) 1976-09-02
AT345927B (de) 1978-10-10
FR2303369B1 (da) 1981-11-20
SE7602164L (sv) 1976-09-02
ATA262875A (de) 1978-02-15
SE419013B (sv) 1981-07-06
DE2508979A1 (de) 1976-09-09
CH604366A5 (da) 1978-09-15
NL7602011A (nl) 1976-09-03

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee