GB1371654A - Earth leakage protective arrangements - Google Patents

Earth leakage protective arrangements

Info

Publication number: GB1371654A
Authority: GB; United Kingdom
Prior art keywords: earth leakage; leakage protective; protective arrangements; arrangements; earth
Prior art date: 1970-12-01
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

GB5487471A

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.)

1970-12-01

Filing date

1971-11-25

Publication date

1974-10-23

1971-11-25 Application filed by Siemens Corp filed Critical Siemens Corp

1974-10-23 Publication of GB1371654A publication Critical patent/GB1371654A/en

Status Expired legal-status Critical Current

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)
Regulation Of General Use Transformers (AREA)
Emergency Protection Circuit Devices (AREA)

GB5487471A 1970-12-01 1971-11-25 Earth leakage protective arrangements Expired GB1371654A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19702059054 DE2059054A1 (en)	1970-12-01	1970-12-01	Residual current circuit breaker

Publications (1)

Publication Number	Publication Date
GB1371654A true GB1371654A (en)	1974-10-23

Family

ID=5789636

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB5487471A Expired GB1371654A (en)	1970-12-01	1971-11-25	Earth leakage protective arrangements

Country Status (10)

Country	Link
JP (1)	JPS4728452A (en)
AT (1)	AT310852B (en)
BE (1)	BE775890A (en)
CH (1)	CH532856A (en)
DE (1)	DE2059054A1 (en)
ES (1)	ES397526A1 (en)
FR (1)	FR2116422A1 (en)
GB (1)	GB1371654A (en)
IT (1)	IT941390B (en)
ZA (1)	ZA717897B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5638728B2 (en) *	1973-07-04	1981-09-08
JPS5035912A (en) *	1973-08-01	1975-04-04
LU78075A1 (en) *	1977-09-02	1979-04-09	Gath N	FAULT CIRCUIT BREAKER
LU79817A1 (en) *	1978-06-15	1980-01-22	N Gath	Fault current protection switch
DE4215900C1 (en) *	1992-05-14	1993-12-23	Siemens Ag	Arrangement for detecting residual currents
DE4215899C1 (en) *	1992-05-14	1993-11-25	Siemens Ag	Arrangement for detecting residual currents
DE4314539C2 (en) *	1993-05-03	1998-11-05	Siemens Ag	Magnetic resistance sensor with vertical sensitivity and use of the sensor

1970
- 1970-12-01 DE DE19702059054 patent/DE2059054A1/en active Pending
1971
- 1971-10-28 CH CH1530271A patent/CH532856A/en not_active IP Right Cessation
- 1971-11-17 AT AT992171A patent/AT310852B/en not_active IP Right Cessation
- 1971-11-24 ZA ZA717897A patent/ZA717897B/en unknown
- 1971-11-25 GB GB5487471A patent/GB1371654A/en not_active Expired
- 1971-11-26 IT IT31681/71A patent/IT941390B/en active
- 1971-11-26 BE BE775890A patent/BE775890A/en unknown
- 1971-11-30 ES ES397526A patent/ES397526A1/en not_active Expired
- 1971-11-30 FR FR7142811A patent/FR2116422A1/fr not_active Withdrawn
- 1971-12-03 JP JP9753771A patent/JPS4728452A/ja active Pending

Also Published As

Publication number	Publication date
IT941390B (en)	1973-03-01
CH532856A (en)	1973-01-15
BE775890A (en)	1972-05-26
DE2059054A1 (en)	1972-06-08
ES397526A1 (en)	1974-05-16
JPS4728452A (en)	1972-11-01
ZA717897B (en)	1972-08-30
FR2116422A1 (en)	1972-07-13
AT310852B (en)	1973-10-25

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Legal Events

Date	Code	Title	Description
1975-03-05	PS	Patent sealed
1979-06-27	PCNP	Patent ceased through non-payment of renewal fee