DK134374B - FAULT CURRENT PROTECTION SWITCH - Google Patents

FAULT CURRENT PROTECTION SWITCH

Info

Publication number: DK134374B
Authority: DK; Denmark
Prior art keywords: fault current; current protection; protection switch; switch; fault
Prior art date: 1970-07-23

Application number

DK360071A

Other languages

Danish (da)

Other versions

DK134374C (en

Inventor

H Rosch

Original Assignee

Siemens Ag

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.)

1970-07-23

Filing date

1971-07-22

Publication date

1976-10-25

1970-07-23 Priority claimed from DE19702036497 external-priority patent/DE2036497C3/en

1971-07-22 Application filed by Siemens Ag filed Critical Siemens Ag

1976-10-25 Publication of DK134374B publication Critical patent/DK134374B/en

1977-03-21 Application granted granted Critical

1977-03-21 Publication of DK134374C publication Critical patent/DK134374C/en

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)

DK360071A 1970-07-23 1971-07-22 FAULT CURRENT PROTECTION SWITCH DK134374C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19702036497 DE2036497C3 (en)		1970-07-23	Residual current circuit breaker r

Publications (2)

Publication Number	Publication Date
DK134374B true DK134374B (en)	1976-10-25
DK134374C DK134374C (en)	1977-03-21

Family

ID=5777593

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK360071A DK134374C (en)	1970-07-23	1971-07-22	FAULT CURRENT PROTECTION SWITCH

Country Status (7)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS49101847A (en) *	1973-01-31	1974-09-26
DE2348881C3 (en) *	1973-09-28	1980-10-16	Siemens Ag, 1000 Berlin Und 8000 Muenchen	Residual current circuit breaker
DE2429446A1 (en) *	1974-06-19	1976-01-02	Siemens Ag	ADDITIONAL PART FOR FAULT CURRENT CIRCUIT BREAKERS FOR NIGHTLY RETROFITTING
JPS54639U (en) *	1977-03-04	1979-01-05
FR2422276A1 (en) *	1978-04-07	1979-11-02	Saparel	EARTH FAULT CURRENT PROTECTION DEVICE
AT372549B (en) *	1980-04-16	1983-10-25	Felten & Guilleaume Ag Oester	Fault current protection switch without summation current transformer
FR2481851A1 (en) *	1980-04-30	1981-11-06	Merlin Gerin	DEVICE FOR DIFFERENTIAL PROTECTION SENSITIVE TO A UNIDIRECTIONAL CURRENT
DE3202320A1 (en) *	1982-01-26	1983-07-28	Siemens AG, 1000 Berlin und 8000 München	Fault current protection switch that responds to fault currents with direct current components
GB8512133D0 (en) *	1985-05-14	1985-06-19	Dorman Smith Switchgear Ltd	Residual current detector
DE19702371A1 (en) *	1997-01-23	1998-07-30	Siemens Ag	Residual current device
US8699190B2 (en)	2010-11-23	2014-04-15	Vacuumschmelze Gmbh & Co. Kg	Soft magnetic metal strip for electromechanical components

1971
- 1971-07-14 CH CH1033871A patent/CH532855A/en not_active IP Right Cessation
- 1971-07-20 AT AT629571A patent/AT318052B/en not_active IP Right Cessation
- 1971-07-22 DK DK360071A patent/DK134374C/en not_active IP Right Cessation
- 1971-07-22 BE BE770327A patent/BE770327A/en not_active IP Right Cessation
- 1971-07-22 FR FR7126911A patent/FR2099548B1/fr not_active Expired
- 1971-07-22 GB GB3453871A patent/GB1359714A/en not_active Expired
- 1971-07-23 JP JP5518371A patent/JPS561012B1/ja active Pending

Also Published As

Publication number	Publication date
DE2036497B2 (en)	1975-03-27
BE770327A (en)	1972-01-24
AT318052B (en)	1974-09-25
JPS473574A (en)	1972-02-22
JPS561012B1 (en)	1981-01-10
DE2036497A1 (en)	1972-02-03
GB1359714A (en)	1974-07-10
CH532855A (en)	1973-01-15
DK134374C (en)	1977-03-21
FR2099548A1 (en)	1972-03-17
FR2099548B1 (en)	1976-04-30

Publication	Publication Date	Title
IT941824B (en)	1973-03-10	SELF-BLASTING ELECTRIC SWITCH
CH503399A (en)	1971-02-15	Electrical overcurrent protection switching arrangement
IT941376B (en)	1973-03-01	ELECTRIC SWITCH
CH534958A (en)	1973-03-15	Circuit breaker
BE761451A (en)	1971-07-12	ELECTRICAL SWITCH
DK142664C (en)	1981-09-14	FAULT POWER PROTECTION SWITCH
DK134374C (en)	1977-03-21	FAULT CURRENT PROTECTION SWITCH
DK136284C (en)	1978-02-20	ELECTRICAL SWITCH
IT943883B (en)	1973-04-10	ELECTRIC SWITCH AUTOSOF FIANTE
AT310852B (en)	1973-10-25	Residual current circuit breaker
DK146609C (en)	1984-04-30	FAULT CURRENT RELAY
AT323276B (en)	1975-07-10	FAULT CIRCUIT BREAKER
DK132480C (en)	1976-05-17	FAULT CURRENT PROTECTION SWITCH
DK134373B (en)	1976-10-25	PROTECTION SWITCH, NAMELY FAULT CURRENT PROTECTION SWITCH
AT306147B (en)	1973-03-26	Residual current circuit breaker
AT291378B (en)	1971-07-12	Earthing switch
AT307555B (en)	1973-05-25	Residual current circuit breaker
IT940131B (en)	1973-02-10	ELECTRIC SWITCH
IT942888B (en)	1973-04-02	ELECTRIC SWITCH
AT310849B (en)	1973-10-25	Circuit breaker
BE764793A (en)	1971-08-16	ADVANCED ELECTRICAL SWITCH
CH530707A (en)	1972-11-15	High voltage switch
DE2049735B2 (en)	1973-07-05	HIGH VOLTAGE SWITCH
IT939853B (en)	1973-02-10	ELECTRIC SWITCH
ES159512Y (en)	1971-03-01	Improved circuit breaker

Legal Events

Date	Code	Title	Description
1991-03-25	PBP	Patent lapsed