BE847794Q - LEAKAGE CURRENT CIRCUIT BREAKER, - Google Patents

LEAKAGE CURRENT CIRCUIT BREAKER,

Info

Publication number: BE847794Q
Authority: BE; Belgium
Prior art keywords: circuit breaker; leakage current; current circuit; leakage; breaker
Prior art date: 1970-09-08

Application number

BE171920A

Other languages

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.)

1970-09-08

Filing date

1976-10-29

Publication date

1977-02-14

1970-09-08 Priority claimed from DE19702044302 external-priority patent/DE2044302B2/en

1976-10-29 Application filed filed Critical

1977-02-14 Application granted granted Critical

1977-02-14 Publication of BE847794Q publication Critical patent/BE847794Q/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
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/25—Magnetic cores made from strips or ribbons
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase AC
- H01F38/28—Current transformers
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
- H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
- 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)
Transformers For Measuring Instruments (AREA)
Emergency Protection Circuit Devices (AREA)
Breakers (AREA)
Protection Of Generators And Motors (AREA)
Protection Of Transformers (AREA)

BE171920A 1970-09-08 1976-10-29 LEAKAGE CURRENT CIRCUIT BREAKER, BE847794Q (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19702044302 DE2044302B2 (en)	1970-09-08	1970-09-08	Residual current circuit breaker
DE2062694A DE2062694B2 (en)	1970-09-08	1970-12-19	Residual current circuit breaker

Publications (1)

Publication Number	Publication Date
BE847794Q true BE847794Q (en)	1977-02-14

Family

ID=25759694

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE171920A BE847794Q (en)	1970-09-08	1976-10-29	LEAKAGE CURRENT CIRCUIT BREAKER,

Country Status (8)

Country	Link
JP (2)	JPS476429A (en)
AT (1)	AT315949B (en)
BE (1)	BE847794Q (en)
CH (1)	CH538773A (en)
DE (1)	DE2062694B2 (en)
DK (1)	DK142664C (en)
FR (1)	FR2106374B1 (en)
GB (1)	GB1369817A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
LU78600A1 (en) *	1977-11-28	1979-06-13	Gath N	Fault current protection switch
US4366520A (en) *	1981-03-25	1982-12-28	Magnetic Metals Corporation	Differential transformer core for pulse currents
FR2520164A1 (en) *	1982-01-19	1983-07-22	Merlin Gerin	OWN CURRENT DIFFERENTIAL TRIGGERING DEVICE
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
DE3244670A1 (en) *	1982-12-02	1984-06-07	Siemens AG, 1000 Berlin und 8000 München	Fault current protection switch
US4622846A (en) *	1985-11-05	1986-11-18	Halliburton Company	Consistency and static gel strength measuring device and method
FR2653610B1 (en) *	1989-10-25	1991-12-27	Etude Realisa Disjoncteurs	SELECTIVE DIFFERENTIAL SWITCH WITH FAULT CURRENT.
DE19907320C2 (en) *	1999-02-20	2001-03-08	Aloys Wobben	Toroidal core and its use
AU2002950581A0 (en)	2002-08-02	2002-09-12	Wayne Callen	Electrical safety circuit
FR2993058B1 (en) *	2012-07-05	2014-08-08	Hager Electro Sas	DEVICE FOR DIFFERENTIAL PROTECTION.
KR102539688B1 (en) *	2016-04-28	2023-06-07	엘에스일렉트릭(주)	Leakage Current Detector
CN107658092B (en) *	2016-07-25	2020-06-05	施耐德电气工业公司	Ferrite cores, current transformers and leakage protection switches
US20210384854A1 (en) *	2018-11-08	2021-12-09	Tdk Corporation	Electromagnetic induction power generator

1970
- 1970-12-19 DE DE2062694A patent/DE2062694B2/en not_active Withdrawn
1971
- 1971-08-13 CH CH1197071A patent/CH538773A/en not_active IP Right Cessation
- 1971-08-20 DK DK408471A patent/DK142664C/en not_active IP Right Cessation
- 1971-09-07 FR FR7132314A patent/FR2106374B1/fr not_active Expired
- 1971-09-08 JP JP6962271A patent/JPS476429A/ja active Pending
- 1971-09-08 AT AT779671A patent/AT315949B/en not_active IP Right Cessation
- 1971-09-08 GB GB4198471A patent/GB1369817A/en not_active Expired
- 1971-12-20 JP JP10359071A patent/JPS4712829A/ja active Pending
1976
- 1976-10-29 BE BE171920A patent/BE847794Q/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
AT315949B (en)	1974-06-25
DK142664C (en)	1981-09-14
FR2106374B1 (en)	1976-04-30
FR2106374A1 (en)	1972-05-05
DK142664B (en)	1980-12-08
JPS4712829A (en)	1972-06-28
CH538773A (en)	1973-06-30
DE2062694B2 (en)	1975-05-28
GB1369817A (en)	1974-10-09
JPS476429A (en)	1972-04-10
DE2062694A1 (en)	1972-06-29

Legal Events

Date

Code

Title

Description

1991-04-30

RE

Patent lapsed

Owner name: SIEMENS A.G.

Effective date: 19901031

Publication	Publication Date	Title
DK129745B (en)	1974-11-11	Circuit breaker.
CH534958A (en)	1973-03-15	Circuit breaker
BE847794Q (en)	1977-02-14	LEAKAGE CURRENT CIRCUIT BREAKER,
SE382533B (en)	1976-02-02	APPLIANCE FOR FIXING ELECTRICAL CONTACTS AT TRADENDAR.
AT318052B (en)	1974-09-25	Residual current circuit breaker
DK122847B (en)	1972-04-17	Current limiting circuit breaker.
FI51138C (en)	1976-10-11	Electrical switch.
BE813542A (en)	1974-07-31	CURRENT LIMITATION CIRCUIT BREAKER
AT310852B (en)	1973-10-25	Residual current circuit breaker
CH548682A (en)	1974-04-30	FAULT CIRCUIT BREAKER.
DK132480B (en)	1975-12-08	Residual current circuit breaker.
CH549276A (en)	1974-05-15	HIGH VOLTAGE CIRCUIT BREAKER.
AT306147B (en)	1973-03-26	Residual current circuit breaker
CH554068A (en)	1974-09-13	LOW-LIQUID CIRCUIT BREAKER.
CH538189A (en)	1973-06-15	Circuit breaker, especially residual current circuit breaker
CH547006A (en)	1974-03-15	HIGH VOLTAGE CIRCUIT BREAKER.
DK125348B (en)	1973-02-05	Residual current circuit breaker.
BE778687A (en)	1972-07-31	CURRENT LIMITATION CIRCUIT
CH546478A (en)	1974-02-28	CIRCUIT BREAKER.
AT310849B (en)	1973-10-25	Circuit breaker
AR194210A1 (en)	1973-06-29	AN ELECTRICAL SWITCH
CH557590A (en)	1974-12-31	CIRCUIT BREAKER.
FI50751C (en)	1976-06-10	Electrical oil circuit breaker.
CH555592A (en)	1974-10-31	ELECTRIC CIRCUIT BREAKER.
ES162393Y (en)	1971-12-01	CIRCUIT BREAKER.