NL7502359A - Werkwijze en schakeling voor het vaststellen van fouten bij een uit tenminste een verzamelrail en de aftakkingen daarvan bestaand systeem, alsmede voor het beschermen van een dergelijk systeem. - Google Patents

Werkwijze en schakeling voor het vaststellen van fouten bij een uit tenminste een verzamelrail en de aftakkingen daarvan bestaand systeem, alsmede voor het beschermen van een dergelijk systeem.

Info

Publication number: NL7502359A
Authority: NL; Netherlands
Prior art keywords: manager; branches; protecting; procedure; circuit
Prior art date: 1974-02-27

Application number

NL7502359A

Other languages

English (en)

Other versions

NL183001C (nl

NL183001B (nl

Original Assignee

Bbc Brown Boveri & Cie

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.)

1974-02-27

Filing date

1975-02-27

Publication date

1975-08-29

1975-02-27 Application filed by Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie

1975-08-29 Publication of NL7502359A publication Critical patent/NL7502359A/nl

1988-01-18 Publication of NL183001B publication Critical patent/NL183001B/nl

1988-06-16 Application granted granted Critical

1988-06-16 Publication of NL183001C publication Critical patent/NL183001C/nl

Links

Classifications

- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
- 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
- H02H3/28—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
- H02H3/283—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus and taking into account saturation of current transformers

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Measurement Of Current Or Voltage (AREA)
Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Protection Of Static Devices (AREA)

NL7502359A 1974-02-27 1975-02-27 Inrichting voor de bescherming van een lijnsectie. NL183001C (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH274674A CH577762A5 (nl)	1974-02-27	1974-02-27

Publications (3)

Publication Number	Publication Date
NL7502359A true NL7502359A (nl)	1975-08-29
NL183001B NL183001B (nl)	1988-01-18
NL183001C NL183001C (nl)	1988-06-16

Family

ID=4240670

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7502359A NL183001C (nl)	1974-02-27	1975-02-27	Inrichting voor de bescherming van een lijnsectie.

Country Status (10)

Country	Link
AT (1)	AT346960B (nl)
BE (1)	BE825874A (nl)
CH (1)	CH577762A5 (nl)
DE (1)	DE2413399A1 (nl)
DK (1)	DK68075A (nl)
ES (1)	ES435029A1 (nl)
FR (1)	FR2262428A1 (nl)
IT (1)	IT1033141B (nl)
NL (1)	NL183001C (nl)
SE (1)	SE407316B (nl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4173774A (en) *	1977-12-08	1979-11-06	Westinghouse Electric Corp.	Parallel AC electrical system with differential protection immune to high current through faults
AT384325B (de) *	1986-03-20	1987-10-27	Bbc Ag Oesterr	Erdschlusssammelschienenschutz
JPH06225448A (ja) *	1992-12-04	1994-08-12	Fuji Electric Co Ltd	母線保護方法
FR2990305B1 (fr)	2012-05-07	2015-11-20	Ece	Procede de protection d'un boitier de distribution d'energie electrique

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AT271610B (de) *	1966-06-08	1969-06-10	Siemens Gmbh	Differentialschutzeinrichtung für elektrische Anlagen mit zwei oder mehreren Abzweigen
DE2216377B2 (de) *	1972-03-30	1974-09-12	Siemens Ag	Differentialschutz

1974
- 1974-02-27 CH CH274674A patent/CH577762A5/xx not_active IP Right Cessation
- 1974-03-20 DE DE19742413399 patent/DE2413399A1/de active Granted
1975
- 1975-02-21 SE SE7501981A patent/SE407316B/xx not_active IP Right Cessation
- 1975-02-21 DK DK68075A patent/DK68075A/da not_active Application Discontinuation
- 1975-02-24 ES ES435029A patent/ES435029A1/es not_active Expired
- 1975-02-24 BE BE153646A patent/BE825874A/xx not_active IP Right Cessation
- 1975-02-24 FR FR7505719A patent/FR2262428A1/fr active Granted
- 1975-02-24 AT AT139875A patent/AT346960B/de not_active IP Right Cessation
- 1975-02-25 IT IT2059875A patent/IT1033141B/it active
- 1975-02-27 NL NL7502359A patent/NL183001C/nl not_active IP Right Cessation

Also Published As

Publication number	Publication date
FR2262428A1 (en)	1975-09-19
SE7501981L (nl)	1975-08-29
AT346960B (de)	1978-12-11
DK68075A (nl)	1975-10-27
IT1033141B (it)	1979-07-10
NL183001C (nl)	1988-06-16
SE407316B (sv)	1979-03-19
FR2262428B1 (nl)	1982-03-05
DE2413399A1 (de)	1975-09-04
AU7847975A (en)	1976-08-26
CH577762A5 (nl)	1976-07-15
ES435029A1 (es)	1976-12-16
ATA139875A (de)	1977-04-15
BE825874A (fr)	1975-06-16
DE2413399C2 (nl)	1989-04-20
NL183001B (nl)	1988-01-18

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NL7502359A (nl)	1975-08-29	Werkwijze en schakeling voor het vaststellen van fouten bij een uit tenminste een verzamelrail en de aftakkingen daarvan bestaand systeem, alsmede voor het beschermen van een dergelijk systeem.
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Legal Events

Date	Code	Title	Description
1982-04-01	BA	A request for search or an international-type search has been filed
1982-05-03	BB	A search report has been drawn up
1982-09-01	BC	A request for examination has been filed
1985-01-01	A85	Still pending on 85-01-01
1987-11-16	DNT	Communications of changes of names of applicants whose applications have been laid open to public inspection	Free format text: BBC BROWN BOVERI AG
1988-09-16	BK	Erratum	Free format text: IN PAT.BUL.12/88,PAGES 1321 AND 1322:CORR.:BBC BROWN, BOVERI AG.
1994-10-17	V1	Lapsed because of non-payment of the annual fee