DK360376A - DIFFERENTIAL PROTECTIVE COUPLING FOR AN ELECTRICAL INSTALLATION - Google Patents

DIFFERENTIAL PROTECTIVE COUPLING FOR AN ELECTRICAL INSTALLATION

Info

Publication number: DK360376A
Authority: DK; Denmark
Prior art keywords: electrical installation; differential protective; protective coupling; coupling; differential
Prior art date: 1975-08-11

Application number

DK360376A

Other languages

Danish (da)

Other versions

DK153612C (en

DK153612B (en

Inventor

P Canonne

R Olivetti

Original Assignee

App Electr Saparel Sa

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.)

1975-08-11

Filing date

1976-08-10

Publication date

1977-02-12

1976-08-10 Application filed by App Electr Saparel Sa filed Critical App Electr Saparel Sa

1977-02-12 Publication of DK360376A publication Critical patent/DK360376A/en

1988-08-01 Publication of DK153612B publication Critical patent/DK153612B/en

1988-12-12 Application granted granted Critical

1988-12-12 Publication of DK153612C publication Critical patent/DK153612C/en

Links

230000008878 coupling Effects 0.000 title 1
238000010168 coupling process Methods 0.000 title 1
238000005859 coupling reaction Methods 0.000 title 1
238000010616 electrical installation Methods 0.000 title 1
230000001681 protective effect Effects 0.000 title 1

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)

DK360376A 1975-08-11 1976-08-10 TROUBLESHOOTING PROTECTION CONNECTION FOR ELECTRICAL INSTALLATION DK153612C (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR7524999A FR2321208A1 (en)	1975-08-11	1975-08-11	Detection of leakage current to earth - uses differential current transformer whose core is saturated by leakage current
FR7524999		1975-08-11

Publications (3)

Publication Number	Publication Date
DK360376A true DK360376A (en)	1977-02-12
DK153612B DK153612B (en)	1988-08-01
DK153612C DK153612C (en)	1988-12-12

Family

ID=9158991

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK360376A DK153612C (en)	1975-08-11	1976-08-10	TROUBLESHOOTING PROTECTION CONNECTION FOR ELECTRICAL INSTALLATION

Country Status (2)

Country	Link
DK (1)	DK153612C (en)
FR (1)	FR2321208A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2602534A1 (en) *	1976-01-23	1977-07-28	Siemens Ag	FAULT CURRENT CIRCUIT BREAKER
LU78600A1 (en) *	1977-11-28	1979-06-13	Gath N	Fault current protection switch
JPS55127826A (en) *	1979-03-26	1980-10-03	Fuji Electric Co Ltd	Leakage breaker
AT383906B (en) *	1985-04-16	1987-09-10	Cti Ges Zur Pruefung Elektrote	Fault current protection switch for fault change and fault current
US20230361560A1 (en) *	2022-05-06	2023-11-09	Siemens Industry, Inc.	Electronic circuit breaker configured to provide a fail-safe mode

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH505391A (en) *	1968-12-03	1971-03-31	Weber Ag Fabrik Elektrotechn A	Device for monitoring current differences in an electrical system
DE2044302B2 (en) *	1970-09-08	1975-01-23	Siemens Ag, 1000 Berlin Und 8000 Muenchen	Residual current circuit breaker

1975
- 1975-08-11 FR FR7524999A patent/FR2321208A1/en active Granted
1976
- 1976-08-10 DK DK360376A patent/DK153612C/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
FR2321208A1 (en)	1977-03-11
DK153612C (en)	1988-12-12
FR2321208B1 (en)	1980-05-16
DK153612B (en)	1988-08-01

Legal Events

Date	Code	Title	Description
1992-04-21	PBP	Patent lapsed

Publication	Publication Date	Title
IT1074440B (en)	1985-04-20	ELECTROPHOTOGRAPHIC EQUIPMENT
SE393488B (en)	1977-05-09	ELECTRICAL COUPLING SLEEVE
BR7604974A (en)	1977-08-09	ELECTRICAL CONNECTOR
SE409533B (en)	1979-08-20	ELECTRICAL CONNECTOR
IT1070030B (en)	1985-03-25	ELECTROPHOTOGRAPHIC EQUIPMENT
FR2313807A1 (en)	1976-12-31	STEREOPHONIC INSTALLATION
SE7606878L (en)	1977-01-05	DEVICE FOR GASING VETSKOR
BR7603388A (en)	1976-12-21	ELECTRICAL CONNECTOR
SE427602B (en)	1983-04-18	ELECTRICAL CONNECTOR
DK254578A (en)	1978-12-10	FLAME PROTECTION FOR ELECTRICAL INSTALLATIONS
BR7605320A (en)	1977-08-09	PLUG ASSEMBLY
IT1061775B (en)	1983-04-30	COPYING EQUIPMENT
AR210126A1 (en)	1977-06-30	AN ELECTRICAL CONNECTOR
SE426628B (en)	1983-01-31	ELECTRICAL CONNECTOR
FR2299219A1 (en)	1976-08-27	INSTALLATION
SE423008B (en)	1982-04-05	ELECTRICAL CONNECTOR
SE7602164L (en)	1976-09-02	ELECTRONIC PROTECTION COUPLING
DK360376A (en)	1977-02-12	DIFFERENTIAL PROTECTIVE COUPLING FOR AN ELECTRICAL INSTALLATION
SE7605866L (en)	1976-12-01	ELECTRICAL CONNECTION
SE408676B (en)	1979-06-25	CABLE CONNECTOR UNIT
SE406668B (en)	1979-02-19	ELECTRICAL CONNECTOR
SE7613216L (en)	1977-05-27	ELECTRICAL COUPLING UNIT
SE416692B (en)	1981-01-26	CONNECTOR CONNECTOR
SE429256B (en)	1983-08-22	CONNECTOR FOR FESTDON
SE7609814L (en)	1977-03-10	WIRING COUPLING